/* ============================================================
   Aprend — Área de Membros · tema escuro premium (estilo Q7)
   ============================================================ */
:root{
  --bg:#07080c; --bg-2:#0a0b10;
  --surface:#0f1116; --surface-2:#14161d; --surface-3:#191c24;
  --border:rgba(255,255,255,.08); --border-2:rgba(255,255,255,.14);
  --text:#e8eaf0; --muted:#9aa2b2; --faint:#6b7280;
  --accent:#29c3d6; --accent-2:#1aa6ba; --accent-ink:#04212a;
  --amber:#f5c542; --amber-ink:#2a2205;
  --green:#33d69f; --red:#ff6b6b; --blue:#4f7cff;
  --r:14px; --r-lg:20px; --r-sm:10px;
  --shadow:0 24px 60px -34px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,0,0,1); --fast:150ms;
}
*{margin:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth;overflow-x:clip}
body{font-family:"Onest",system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5;overflow-x:clip;max-width:100vw}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
input,select,textarea{font:inherit}
::selection{background:rgba(41,195,214,.3)}

.container{width:100%;max-width:78rem;margin-inline:auto;padding-inline:1.5rem}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}

/* ---------- Topbar / nav (Fixed / Sticky Top) ---------- */
.topbar{
  position:sticky;
  top:0;
  left:0;
  right:0;
  width:100%;
  z-index:100;
  background:rgba(8,9,13,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  transition:background var(--fast),border-color var(--fast),box-shadow var(--fast);
}
.topbar.is-scrolled{
  background:rgba(8,9,13,.96);
  border-bottom-color:rgba(41,195,214,.25);
  box-shadow:0 12px 32px -10px rgba(0,0,0,.75);
}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:.75rem;height:4.5rem;width:100%;max-width:100%;margin-inline:auto;padding-inline:clamp(1rem, 2vw, 2.25rem)}
.brand{display:flex;align-items:center;gap:.55rem;flex-shrink:0}
.brand-ic{width:2.6rem;height:2.6rem;object-fit:contain;flex:none}
.brand b{font-size:1.2rem;font-weight:700;letter-spacing:-.01em;line-height:1}

.nav{display:none;align-items:center;gap:clamp(.2rem, .4vw, .45rem)}
.nav a{display:inline-flex;align-items:center;gap:.4rem;padding:.48rem clamp(.65rem, .8vw, .95rem);border-radius:9999px;color:var(--muted);font-size:clamp(.86rem, .9vw, .95rem);font-weight:500;white-space:nowrap;transition:all var(--fast) var(--ease);border:1px solid transparent}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.08)}
.nav a.active{color:#fff;font-weight:700;background:linear-gradient(135deg, rgba(41,195,214,.22) 0%, rgba(41,195,214,.1) 100%);border-color:rgba(41,195,214,.45);box-shadow:0 0 16px -2px rgba(41,195,214,.3), inset 0 1px 0 rgba(255,255,255,.12);text-shadow:0 0 12px rgba(41,195,214,.4)}
.nav a .dot{width:6px;height:6px;border-radius:50%;background:var(--red)}

/* ---------- Dropdown de Trilhas no Menu Superior ---------- */
.nav-item-dropdown{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding-block:.35rem;
}
.nav-dropdown-trigger{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.48rem clamp(.65rem, .8vw, .95rem);
  border-radius:9999px;
  color:var(--muted);
  font-size:clamp(.86rem, .9vw, .95rem);
  font-weight:500;
  white-space:nowrap;
  transition:all var(--fast) var(--ease);
  border:1px solid transparent;
  cursor:pointer;
  user-select:none;
  text-decoration:none;
}
.nav-dropdown-trigger:hover{color:var(--text);background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.08)}
.nav-dropdown-trigger.active{color:#fff;font-weight:700;background:linear-gradient(135deg, rgba(41,195,214,.22) 0%, rgba(41,195,214,.1) 100%);border-color:rgba(41,195,214,.45);box-shadow:0 0 16px -2px rgba(41,195,214,.3), inset 0 1px 0 rgba(255,255,255,.12);text-shadow:0 0 12px rgba(41,195,214,.4)}
.nav-caret{font-size:.72rem;transition:transform .22s var(--ease)}
.nav-item-dropdown:hover .nav-caret,
.nav-item-dropdown.is-open .nav-caret{transform:rotate(180deg)}

.tracks-dropdown{
  position:absolute;
  top:calc(100% + .35rem);
  left:50%;
  transform:translateX(-50%) translateY(6px);
  width:26.5rem;
  max-width:calc(100vw - 2rem);
  background:rgba(12,15,22,.97);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border:1px solid var(--border-2);
  border-radius:var(--r);
  box-shadow:0 24px 50px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.06);
  padding:.75rem;
  z-index:120;
  opacity:0;
  pointer-events:none;
  visibility:hidden;
  transition:opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
  transition-delay:.15s; /* Garante que o menu não feche ao mover o mouse para baixo */
}

/* Ponte invisível contínua: cobre qualquer vão entre o botão e o dropdown */
.tracks-dropdown::before{
  content:"";
  position:absolute;
  top:-22px;
  left:-20px;
  right:-20px;
  height:26px;
  background:transparent;
  pointer-events:auto;
}

.nav-item-dropdown:hover .tracks-dropdown,
.nav-item-dropdown:focus-within .tracks-dropdown,
.nav-item-dropdown.is-open .tracks-dropdown{
  opacity:1;
  pointer-events:auto;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
  transition-delay:0s; /* Abre instantaneamente */
}
.tracks-drop-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.4rem .6rem .65rem;border-bottom:1px solid var(--border);margin-bottom:.5rem}
.tracks-drop-title{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:.86rem;color:var(--text)}
.tracks-drop-grid{display:grid;grid-template-columns:1fr;gap:.3rem}
.track-drop-item{
  display:flex;
  align-items:center;
  gap:.75rem;
  padding:.55rem .7rem;
  border-radius:var(--r-sm);
  background:transparent;
  border:1px solid transparent;
  transition:all .18s var(--ease);
  text-decoration:none;
}
.track-drop-item:hover{
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.08);
  transform:translateX(3px);
}
.track-drop-ic{
  width:2.25rem;
  height:2.25rem;
  border-radius:9px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:.95rem;
  flex-shrink:0;
  box-shadow:0 4px 12px rgba(0,0,0,.25);
}
.track-drop-info{flex:1;min-width:0}
.track-drop-name{
  display:block;
  font-size:.85rem;
  font-weight:600;
  color:var(--text);
  line-height:1.25;
  margin-bottom:.15rem;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.track-drop-meta{display:flex;align-items:center;gap:.45rem;font-size:.74rem;color:var(--muted)}
.track-drop-arrow{color:var(--faint);font-size:.72rem;opacity:0;transform:translateX(-4px);transition:all .2s var(--ease)}
.track-drop-item:hover .track-drop-arrow{opacity:1;transform:translateX(0);color:var(--accent)}
.tracks-drop-all{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  margin-top:.5rem;
  padding:.6rem .8rem;
  border-top:1px solid var(--border);
  font-size:.83rem;
  font-weight:600;
  color:var(--accent);
  text-align:center;
  border-radius:var(--r-sm);
  transition:background .2s var(--ease), color .2s var(--ease);
}
.tracks-drop-all:hover{background:rgba(41,195,214,.1);color:var(--accent-2)}

.top-actions{display:flex;align-items:center;gap:.75rem}
.icon-btn{position:relative;width:2.4rem;height:2.4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);border:1px solid var(--border)}
.icon-btn:hover{color:var(--text);background:var(--surface-2)}

/* Universal Badge de Contagem (Perfeitamente Redondo / Pílula) */
.badge-count{
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  min-width:1.25rem !important;
  height:1.25rem !important;
  padding:0 .35rem !important;
  border-radius:9999px !important;
  font-size:.68rem !important;
  font-weight:800 !important;
  line-height:1 !important;
  text-align:center !important;
  font-variant-numeric:tabular-nums !important;
  box-sizing:border-box !important;
  flex-shrink:0 !important;
}
.icon-btn .badge-count{position:absolute;top:-4px;right:-4px;background:var(--accent);color:var(--accent-ink);font-size:.6rem;padding:0 4px;min-width:1.1rem;height:1.1rem}
.avatar{width:2.2rem;height:2.2rem;border-radius:50%;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;color:#04121a}
.pro-badge{display:inline-flex;align-items:center;gap:.3rem;background:var(--amber);color:var(--amber-ink);font-size:.62rem;font-weight:700;padding:.2rem .5rem;border-radius:6px;letter-spacing:.05em}
.agente{display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--border-2);border-radius:9999px;padding:.5rem 1rem;font-size:.9rem;font-weight:500}
.agente:hover{background:var(--surface-2)}
.agente .ai-spark{color:var(--accent);animation:spin-slow 8s linear infinite}
@keyframes spin-slow{to{transform:rotate(360deg)}}

/* ---------- Buttons & inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;height:2.85rem;padding:0 1.25rem;border-radius:var(--r-sm);font-weight:600;font-size:.92rem;transition:all var(--fast);cursor:pointer;user-select:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-2);box-shadow:0 0 24px rgba(41,195,214,.35)}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface-3);border-color:var(--border-2)}
.btn-amber{background:var(--amber);color:var(--amber-ink)}
.btn-amber:hover{filter:brightness(1.08)}
.btn-red{background:rgba(255,107,107,.14);color:var(--red);border:1px solid rgba(255,107,107,.3)}
.btn-red:hover{background:rgba(255,107,107,.24)}
.btn-sm{height:2.2rem;padding:0 .85rem;font-size:.82rem}
.btn-block{width:100%}

/* ---------- Cards, grids ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.card.pad{padding:1.5rem}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}
.grid-2{display:grid;grid-template-columns:1fr;gap:1.25rem}
.grid-3{display:grid;grid-template-columns:1fr;gap:1.25rem}
.grid-4{display:grid;grid-template-columns:1fr;gap:1.25rem}
.grid-courses{display:grid;grid-template-columns:1fr;gap:1.25rem}

/* KPI metric card */
.kpis{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2rem}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem 1.4rem;display:flex;align-items:center;gap:1rem}
.kpi-ic{width:2.9rem;height:2.9rem;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex:none}
.kpi-ic.accent{background:rgba(41,195,214,.14);color:var(--accent)}
.kpi-ic.amber{background:rgba(245,197,66,.14);color:var(--amber)}
.kpi-ic.green{background:rgba(51,214,159,.14);color:var(--green)}
.kpi-num{font-size:1.65rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.kpi-lbl{font-size:.8rem;color:var(--muted);margin-top:.2rem}

/* ---------- Big Numbers Glassmorphic KPI Grid (com Glowing Orbs) ---------- */
.kpis-big-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
}
@media (min-width: 640px) {
  .kpis-big-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .kpis-big-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.kpi-big-card {
  position: relative;
  background: rgba(13, 16, 23, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-xl);
  padding: 1.45rem 1.6rem;
  overflow: hidden;
  box-shadow: 0 12px 32px -10px rgba(0, 0, 0, 0.6);
  transition: transform 0.35s cubic-bezier(0.34, 1.25, 0.64, 1), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 185px;
}
.kpi-big-card:hover {
  transform: translateY(-4px);
}

/* Bolas luminosas de fundo (Glowing Orbs) */
.kpi-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(45px);
  -webkit-filter: blur(45px);
  opacity: 0.45;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  z-index: 0;
}
.kpi-big-card:hover .kpi-orb {
  opacity: 0.75;
  transform: scale(1.18);
}

/* Variação Ciano (Progresso Geral) */
.kpi-card-cyan {
  border-color: rgba(41, 195, 214, 0.22);
  background: radial-gradient(120% 120% at 100% 0%, rgba(41, 195, 214, 0.08), rgba(13, 16, 23, 0.85));
}
.kpi-card-cyan:hover {
  border-color: rgba(41, 195, 214, 0.55);
  box-shadow: 0 16px 40px -10px rgba(41, 195, 214, 0.28);
}
.kpi-card-cyan .orb-1 {
  width: 140px;
  height: 140px;
  top: -30px;
  right: -20px;
  background: radial-gradient(circle, #29c3d6, #3b82f6);
}
.kpi-card-cyan .orb-2 {
  width: 110px;
  height: 110px;
  bottom: -35px;
  left: -20px;
  background: radial-gradient(circle, #0ea5e9, #06b6d4);
}

/* Variação Verde Esmeralda (Aulas Concluídas) */
.kpi-card-emerald {
  border-color: rgba(16, 185, 129, 0.22);
  background: radial-gradient(120% 120% at 100% 0%, rgba(16, 185, 129, 0.08), rgba(13, 16, 23, 0.85));
}
.kpi-card-emerald:hover {
  border-color: rgba(16, 185, 129, 0.55);
  box-shadow: 0 16px 40px -10px rgba(16, 185, 129, 0.28);
}
.kpi-card-emerald .orb-1 {
  width: 140px;
  height: 140px;
  top: -30px;
  right: -20px;
  background: radial-gradient(circle, #10b981, #059669);
}
.kpi-card-emerald .orb-2 {
  width: 110px;
  height: 110px;
  bottom: -35px;
  left: -20px;
  background: radial-gradient(circle, #34d399, #10b981);
}

/* Variação Âmbar / Ouro (Cursos Disponíveis) */
.kpi-card-amber {
  border-color: rgba(245, 197, 66, 0.22);
  background: radial-gradient(120% 120% at 100% 0%, rgba(245, 197, 66, 0.08), rgba(13, 16, 23, 0.85));
}
.kpi-card-amber:hover {
  border-color: rgba(245, 197, 66, 0.55);
  box-shadow: 0 16px 40px -10px rgba(245, 197, 66, 0.28);
}
.kpi-card-amber .orb-1 {
  width: 140px;
  height: 140px;
  top: -30px;
  right: -20px;
  background: radial-gradient(circle, #f5c542, #d97706);
}
.kpi-card-amber .orb-2 {
  width: 110px;
  height: 110px;
  bottom: -35px;
  left: -20px;
  background: radial-gradient(circle, #fbbf24, #b45309);
}

/* Variação Violeta / Indigo (Comunidade & Networking) */
.kpi-card-violet {
  border-color: rgba(168, 85, 247, 0.22);
  background: radial-gradient(120% 120% at 100% 0%, rgba(168, 85, 247, 0.09), rgba(13, 16, 23, 0.85));
}
.kpi-card-violet:hover {
  border-color: rgba(168, 85, 247, 0.55);
  box-shadow: 0 16px 40px -10px rgba(168, 85, 247, 0.28);
}
.kpi-card-violet .orb-1 {
  width: 140px;
  height: 140px;
  top: -30px;
  right: -20px;
  background: radial-gradient(circle, #a855f7, #6366f1);
}
.kpi-card-violet .orb-2 {
  width: 110px;
  height: 110px;
  bottom: -35px;
  left: -20px;
  background: radial-gradient(circle, #c084fc, #8b5cf6);
}

/* Conteúdo interno */
.kpi-big-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  gap: .75rem;
}

.kpi-big-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}

.kpi-eyebrow {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.kpi-card-cyan .kpi-eyebrow { color: #5ee0ee; }
.kpi-card-emerald .kpi-eyebrow { color: #6ee7b7; }
.kpi-card-amber .kpi-eyebrow { color: #fde047; }
.kpi-card-violet .kpi-eyebrow { color: #c084fc; }

.kpi-big-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: .2rem 0 0;
  letter-spacing: -.01em;
}

.kpi-big-icon-wrap {
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.kpi-big-card:hover .kpi-big-icon-wrap {
  transform: scale(1.08) rotate(3deg);
}
.icon-cyan {
  background: rgba(41, 195, 214, 0.15);
  border: 1px solid rgba(41, 195, 214, 0.35);
  color: #5ee0ee;
  box-shadow: 0 8px 16px -4px rgba(41, 195, 214, 0.35);
}
.icon-emerald {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #6ee7b7;
  box-shadow: 0 8px 16px -4px rgba(16, 185, 129, 0.35);
}
.icon-amber {
  background: rgba(245, 197, 66, 0.15);
  border: 1px solid rgba(245, 197, 66, 0.35);
  color: #fde047;
  box-shadow: 0 8px 16px -4px rgba(245, 197, 66, 0.35);
}
.icon-violet {
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #c084fc;
  box-shadow: 0 8px 16px -4px rgba(168, 85, 247, 0.35);
}

.kpi-big-number-row {
  display: flex;
  align-items: baseline;
  gap: .35rem;
  margin: .25rem 0 .1rem;
}

.kpi-big-num {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 14px rgba(0,0,0,0.4);
}
.kpi-card-cyan .kpi-big-num {
  background: linear-gradient(180deg, #ffffff 30%, #5ee0ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.kpi-card-emerald .kpi-big-num {
  background: linear-gradient(180deg, #ffffff 30%, #6ee7b7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.kpi-card-amber .kpi-big-num {
  background: linear-gradient(180deg, #ffffff 30%, #fde047 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.kpi-card-violet .kpi-big-num {
  background: linear-gradient(180deg, #ffffff 30%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.kpi-big-suffix {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--muted);
  line-height: 1;
}

.kpi-big-foot {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-top: auto;
}

.kpi-bar-wrap {
  width: 100%;
}
.kpi-bar {
  width: 100%;
  height: 7px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}
.kpi-bar-fill {
  display: block;
  height: 100%;
  border-radius: 9999px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.fill-cyan {
  background: linear-gradient(90deg, #29c3d6, #3b82f6);
  box-shadow: 0 0 10px rgba(41, 195, 214, 0.6);
}

.kpi-subtext {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  font-size: .82rem;
  color: var(--muted);
}
.kpi-subtext strong {
  color: #fff;
}

.kpi-pill {
  font-size: .7rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  letter-spacing: .02em;
  transition: all .2s var(--ease);
}
.pill-cyan {
  background: rgba(41, 195, 214, 0.12);
  border: 1px solid rgba(41, 195, 214, 0.3);
  color: #5ee0ee;
}
.pill-emerald {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}
.pill-emerald:hover {
  background: rgba(16, 185, 129, 0.22);
  border-color: rgba(16, 185, 129, 0.55);
  color: #fff;
  transform: translateY(-1px);
}
.pill-amber {
  background: rgba(245, 197, 66, 0.12);
  border: 1px solid rgba(245, 197, 66, 0.3);
  color: #fde047;
}
.pill-amber:hover {
  background: rgba(245, 197, 66, 0.22);
  border-color: rgba(245, 197, 66, 0.5);
  color: #fff;
}
.pill-violet {
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #c084fc;
}
.pill-violet:hover {
  background: rgba(168, 85, 247, 0.22);
  border-color: rgba(168, 85, 247, 0.55);
  color: #fff;
  transform: translateY(-1px);
}

.kpi-community-prompt {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-top: .15rem;
}
.kpi-community-prompt p {
  font-size: .78rem;
  line-height: 1.38;
  color: #cbd5e1;
  margin: 0;
}
.kpi-community-prompt p strong {
  color: #e2e8f0;
}
.kpi-community-prompt .kpi-pill {
  align-self: flex-start;
}

/* Progress bar */
.bar{height:8px;border-radius:9999px;background:var(--surface-3);overflow:hidden}
.bar > span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#5eead4);border-radius:9999px;transition:width .4s var(--ease)}
.bar.amber > span{background:linear-gradient(90deg,var(--amber),#ff9f43)}

.section-title{font-size:1.5rem;font-weight:700;letter-spacing:-.01em}
.eyebrow{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.eyebrow.accent{color:var(--accent)} .eyebrow.amber{color:var(--amber)}

.page{padding-block:2.5rem 4rem}

/* Hero welcome */
.welcome{border:1px solid var(--border);border-radius:var(--r-lg);background:radial-gradient(120% 140% at 0% 0%,rgba(41,195,214,.08),transparent 60%),var(--surface);padding:2.5rem;display:flex;flex-direction:column;justify-content:space-between}
.welcome h1{font-size:2.2rem;font-weight:700;letter-spacing:-.02em}
.welcome h1 span{color:var(--accent)}
.welcome p{color:var(--muted);max-width:46rem;margin-top:.6rem}

/* ---------- Hero Progress Box (Desempenho Geral do Aluno) ---------- */
.hero-progress-box {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(41, 195, 214, 0.25);
  border-radius: var(--r);
  padding: 1.2rem 1.35rem;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: .8rem;
  position: relative;
  overflow: hidden;
}
.hero-progress-box::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41, 195, 214, 0.18), transparent 70%);
  pointer-events: none;
  filter: blur(25px);
}
.hero-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-progress-info {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}
.hero-progress-label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #5ee0ee;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.hero-progress-sub {
  font-size: .88rem;
  color: var(--muted);
}
.hero-progress-sub strong {
  color: #fff;
  font-weight: 700;
}
.hero-progress-percent {
  display: flex;
  align-items: baseline;
  gap: .15rem;
  line-height: 1;
}
.hero-progress-num {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(180deg, #ffffff 20%, #5ee0ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.hero-progress-suffix {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--muted);
}
.hero-progress-bar-wrap {
  width: 100%;
}
.hero-progress-bar {
  width: 100%;
  height: 9px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.4);
}
.hero-progress-bar-fill {
  display: block;
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #0ea5e9 0%, #29c3d6 50%, #34d399 100%);
  box-shadow: 0 0 14px rgba(41, 195, 214, 0.7);
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-progress-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .85rem;
  flex-wrap: wrap;
}
.hero-progress-status {
  font-size: .78rem;
  font-weight: 600;
  padding: .25rem .65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.hero-progress-status.is-start {
  background: rgba(41, 195, 214, 0.12);
  border: 1px solid rgba(41, 195, 214, 0.3);
  color: #5ee0ee;
}
.hero-progress-status.is-active {
  background: rgba(245, 197, 66, 0.12);
  border: 1px solid rgba(245, 197, 66, 0.3);
  color: #fde047;
}
.hero-progress-status.is-complete {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}
.hero-progress-cta {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .85rem;
  font-weight: 600;
  color: #e2e8f0;
  padding: .3rem .75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all .2s var(--ease);
}
.hero-progress-cta:hover {
  background: rgba(41, 195, 214, 0.18);
  border-color: rgba(41, 195, 214, 0.45);
  color: #fff;
  transform: translateX(2px);
}
.hero-progress-cta i {
  font-size: .75rem;
  color: var(--accent);
  transition: transform .2s var(--ease);
}
.hero-progress-cta:hover i {
  transform: translateX(3px);
}

/* SweetAlert2 Toast backdrop and container reset — ZERO backdrop, ZERO blur, ZERO overlay */
body.swal2-toast-shown,
html.swal2-toast-shown {
  overflow: auto !important;
  padding-right: 0 !important;
  filter: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
body.swal2-toast-shown .swal2-container,
html.swal2-toast-shown .swal2-container,
.swal2-container.swal2-top-end,
.swal2-container.swal2-top-start,
.swal2-container.swal2-bottom-end,
.swal2-container.swal2-bottom-start,
.swal2-container.swal2-top,
.swal2-container.swal2-bottom,
.swal2-container.swal2-center-start,
.swal2-container.swal2-center-end,
.swal2-container:has(.swal2-toast),
.swal2-container.swal2-backdrop-show.swal2-top-end,
.swal2-container.swal2-backdrop-show.swal2-top-start,
.swal2-container.swal2-backdrop-show.swal2-bottom-end,
.swal2-container.swal2-backdrop-show.swal2-bottom-start {
  background: transparent !important;
  background-color: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  pointer-events: none !important;
  box-shadow: none !important;
}
.swal2-popup.swal2-toast {
  pointer-events: auto !important;
  background: #0f1116 !important;
  color: #e8eaf0 !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  border-radius: 10px !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75) !important;
  padding: .75rem 1rem !important;
}

/* ---------- Flash Card 3D Flip System (Cursos, Trilhas, Vibe Code) ---------- */
.course-flip-wrapper, .course{
  perspective: 1400px;
  -webkit-perspective: 1400px;
  position: relative;
  width: 100%;
  min-height: 350px;
  height: 100%;
  background: transparent;
  border: none;
  border-radius: var(--r);
  user-select: none;
  display: flex;
  flex-direction: column;
}

.course-flashcard{
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 350px;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.34, 1.25, 0.64, 1), box-shadow 0.35s var(--ease);
  border-radius: var(--r);
}

/* Efeito 3D ao passar o mouse ou focar/clicar */
.course-flip-wrapper:hover .course-flashcard,
.course:hover .course-flashcard,
.course-flip-wrapper.is-flipped .course-flashcard,
.course.is-flipped .course-flashcard{
  transform: rotateY(180deg);
}

.course-flip-wrapper:hover,
.course:hover{
  z-index: 15;
}

.card-face{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px -12px rgba(0,0,0,.6);
  display: flex;
  flex-direction: column;
}

/* ----- FACE FRONTAL (FRENTE) ----- */
.card-front{
  background: linear-gradient(180deg, var(--surface) 0%, rgba(15,17,22,.98) 100%);
  transform: rotateY(0deg);
  z-index: 2;
  transition: border-color var(--fast), box-shadow var(--fast);
}
.course-flip-wrapper:hover .card-front,
.course:hover .card-front{
  border-color: rgba(41,195,214,.4);
  box-shadow: 0 16px 36px -12px rgba(41,195,214,.2);
}
.course-flip-wrapper.is-locked:hover .card-front,
.course.is-locked:hover .card-front{
  border-color: rgba(245,197,66,.45);
  box-shadow: 0 16px 36px -12px rgba(245,197,66,.2);
}

.card-front .cover{
  position: relative;
  aspect-ratio: 16/10;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem 1.25rem;
  overflow: hidden;
}
.card-front .cover::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.68) 100%);
  pointer-events: none;
}
.card-front .cover .ct{
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: .02em;
  text-align: center;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,.85);
  line-height: 1.25;
  max-width: 92%;
  padding: 0 .35rem;
  z-index: 1;
  overflow-wrap: break-word;
}

/* Tags de Topo na Frente */
.tag-type{
  position: absolute;
  top: .75rem;
  left: .75rem;
  background: rgba(8,9,13,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14);
  color: #e2e8f0;
  font-size: .68rem;
  font-weight: 600;
  padding: .25rem .6rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  z-index: 2;
  letter-spacing: .02em;
}
.tag{
  position: relative;
  font-weight: 700;
  font-size: .65rem;
  padding: .22rem .55rem;
  border-radius: 6px;
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  vertical-align: middle;
}
.card-track .cover .tag,
.card-front .tag,
.card-back .tag,
.course-card .tag {
  position: absolute;
  top: .75rem;
  right: .75rem;
  z-index: 2;
}
.tag.pro{
  background: var(--amber);
  color: var(--amber-ink);
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
}
.tag.free{
  background: var(--green);
  color: #04291e;
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
  border: none;
}
.tag.green{
  background: var(--green);
  color: #04291e;
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
  border: none;
}
.tag.soon{
  background: rgba(245,197,66,.18);
  border: 1px solid rgba(245,197,66,.35);
  color: var(--amber);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Badges de Plano (Tabelas e Modais) */
.badge-plan,
.tag-plan {
  display: inline-flex !important;
  align-items: center;
  gap: .35rem;
  font-weight: 700;
  font-size: .72rem;
  padding: .2rem .55rem;
  border-radius: 6px;
  letter-spacing: .03em;
  text-transform: uppercase;
  line-height: 1.2;
  position: static !important;
  vertical-align: middle;
}
.badge-plan.pro,
.tag-plan.pro {
  background: var(--amber);
  color: var(--amber-ink);
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
  border: none;
}
.badge-plan.free,
.tag-plan.free {
  background: var(--green);
  color: #04291e;
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
  border: none;
}

/* Garante que tags em tabelas e modais nunca fiquem absolutas */
.dataTable .tag,
table .tag,
.stu-modal-head .tag,
.tag-static {
  position: static !important;
  display: inline-flex !important;
  vertical-align: middle;
}

/* Badges de Nível & Pré-requisito na Capa dos Cursos */
.cover-badges-row {
  position: absolute;
  top: 2.45rem;
  left: .75rem;
  right: .75rem;
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
  z-index: 3;
}
.badge-nivel {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: .2rem .5rem;
  border-radius: 5px;
  background: rgba(15, 23, 42, .85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .15);
  color: #fff;
  line-height: 1.2;
}
.badge-nivel.nivel-iniciante {
  color: #10b981;
  border-color: rgba(16, 185, 129, .4);
  background: rgba(6, 78, 59, .75);
}
.badge-nivel.nivel-intermediario {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, .4);
  background: rgba(12, 74, 110, .75);
}
.badge-nivel.nivel-avancado {
  color: #f43f5e;
  border-color: rgba(244, 63, 94, .4);
  background: rgba(136, 19, 55, .75);
}

.badge-prereq {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .03em;
  padding: .2rem .5rem;
  border-radius: 5px;
  background: rgba(15, 23, 42, .82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #e2e8f0;
  text-decoration: none;
  line-height: 1.2;
  transition: all .2s ease;
}
.badge-prereq.has-link {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, .45);
  background: rgba(30, 27, 75, .8);
  cursor: pointer;
}
.badge-prereq.has-link:hover {
  background: rgba(251, 191, 36, .25);
  color: #fff;
  border-color: #fbbf24;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
}
.badge-prereq.libre {
  color: #94a3b8;
  border-color: rgba(255, 255, 255, .1);
}

/* Badge de Estrelas / Avaliação na Capa */
.badge-rating {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .02em;
  padding: .2rem .5rem;
  border-radius: 5px;
  background: rgba(15, 23, 42, .88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(251, 191, 36, .35);
  color: #fef08a;
  text-decoration: none;
  line-height: 1.2;
  transition: all .2s ease;
  cursor: pointer;
}
.badge-rating:hover {
  background: rgba(245, 197, 66, .25);
  border-color: #fbbf24;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(0,0,0,.35);
}
.badge-rating .rating-count {
  font-weight: 500;
  font-size: .58rem;
  color: #cbd5e1;
}

.hl-prereq-link {
  text-decoration: none;
  color: #fbbf24 !important;
  border: 1px solid rgba(251, 191, 36, .35) !important;
  transition: all .2s ease;
}
.hl-prereq-link:hover {
  background: rgba(251, 191, 36, .2) !important;
  color: #fff !important;
}

/* Badge no Hero do Curso (curso.php) */
.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 700;
  padding: .3rem .65rem;
  border-radius: 6px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-decoration: none;
  line-height: 1.2;
}
.hero-badge-pill.linkable {
  color: #fbbf24;
  background: rgba(251, 191, 36, .12);
  border: 1px solid rgba(251, 191, 36, .35);
  transition: all .2s ease;
}
.hero-badge-pill.linkable:hover {
  background: rgba(251, 191, 36, .25);
  color: #fff;
  border-color: #fbbf24;
  transform: translateY(-1px);
}

/* Dica de Flip na Frente */
.flip-hint{
  position: absolute;
  bottom: .65rem;
  right: .65rem;
  background: rgba(8,9,13,.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 9999px;
  font-size: .68rem;
  font-weight: 600;
  color: #cbd5e1;
  padding: .22rem .65rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  z-index: 3;
  transition: all var(--fast) var(--ease);
  opacity: .9;
}
.course-flip-wrapper:hover .flip-hint,
.course:hover .flip-hint{
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(41,195,214,.45);
}

/* Corpo da Frente */
.card-front .body{
  padding: 1.15rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: .65rem;
  background: var(--surface);
}
.card-front .body .t{
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.35;
}
.card-front .body .t .title-text{
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.meta-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  color: var(--muted);
  font-size: .82rem;
}
.meta-row .meta-item{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--muted);
}
.meta-row .meta-badge{
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: rgba(41,195,214,.1);
  border: 1px solid rgba(41,195,214,.25);
  padding: .18rem .55rem;
  border-radius: 6px;
  font-size: .76rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .02em;
}
.card-front .body .foot{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .35rem;
  color: var(--muted);
  font-size: .82rem;
}
.card-front .body .foot .lock{
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .88rem;
}
.card-front .body .foot .status-label{
  font-size: .75rem;
  font-weight: 600;
}
.card-front .body .foot .prog-pct{
  color: var(--muted);
  font-size: .8rem;
  font-variant-numeric: tabular-nums;
}

/* ----- FACE POSTERIOR (VERSO DO FLASH CARD) ----- */
.card-back{
  transform: rotateY(180deg);
  z-index: 1;
  border-color: rgba(255,255,255,.18);
  box-shadow: 0 20px 48px -12px rgba(0,0,0,.85), 0 0 0 1px rgba(41,195,214,.35);
}
.course-flip-wrapper.is-locked .card-back,
.course.is-locked .card-back{
  box-shadow: 0 20px 48px -12px rgba(0,0,0,.85), 0 0 0 1px rgba(245,197,66,.35);
}

.card-back-overlay{
  width: 100%;
  height: 100%;
  background: rgba(8, 10, 15, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: .6rem;
  color: var(--text);
  box-sizing: border-box;
}

.card-back-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .35rem;
  width: 100%;
  min-height: 1.6rem;
  box-sizing: border-box;
}
.card-back-badges{
  display: flex;
  align-items: center;
  gap: .35rem;
  min-width: 0;
  flex-shrink: 1;
}
.tag-type-mini{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: #e2e8f0;
  font-size: .67rem;
  font-weight: 600;
  padding: .18rem .45rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
}
.meta-badge-mini{
  background: rgba(41,195,214,.15);
  border: 1px solid rgba(41,195,214,.3);
  color: var(--accent);
  font-size: .67rem;
  font-weight: 700;
  padding: .18rem .45rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
}
.tag-status-mini{
  position: static !important;
  top: auto !important;
  right: auto !important;
  left: auto !important;
  margin: 0 !important;
  font-size: .65rem;
  font-weight: 800;
  padding: .18rem .5rem;
  border-radius: 6px;
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
}
.tag-status-mini.pro{
  background: var(--amber);
  color: var(--amber-ink);
  box-shadow: 0 2px 8px rgba(245,197,66,.25);
}
.tag-status-mini.free{
  background: var(--green);
  color: #04291e;
  box-shadow: 0 2px 8px rgba(51,214,159,.25);
  border: none;
}
.tag-status-mini.soon{
  background: rgba(245,197,66,.18);
  border: 1px solid rgba(245,197,66,.4);
  color: var(--amber);
}

/* Garante que nenhum badge no cabeçalho do verso use position: absolute */
.card-back-head .tag,
.card-back-head .trn-level-badge,
.card-back-head .trn-soon-tag{
  position: static !important;
  top: auto !important;
  right: auto !important;
  left: auto !important;
  margin: 0 !important;
  font-size: .65rem;
  padding: .18rem .45rem;
  line-height: 1.2;
}

.card-back-title-wrap{
  margin-top: .15rem;
}
.card-back-title{
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-back-subtitle{
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: .2rem;
  margin-bottom: 0;
}

.card-back-desc{
  font-size: .84rem;
  line-height: 1.5;
  color: #cbd5e1;
  overflow-y: auto;
  max-height: 150px;
  padding-right: .3rem;
  margin: .15rem 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.2) transparent;
}
.card-back-desc::-webkit-scrollbar{width:4px}
.card-back-desc::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px}

.card-back-highlights{
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  margin-top: auto;
}
.hl-pill{
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 9999px;
  padding: .2rem .55rem;
  font-size: .72rem;
  font-weight: 600;
  color: #e2e8f0;
}
.hl-pill i{color:var(--accent)}

.card-back-actions{
  margin-top: .35rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.card-back-pro-actions{
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.btn-buy-single{
  font-size: .78rem !important;
  height: 2.1rem !important;
  background: rgba(255,255,255,.06) !important;
  border: 1px solid rgba(255,255,255,.15) !important;
}
.btn-buy-single:hover{
  background: rgba(255,255,255,.12) !important;
  color: #fff !important;
}

/* ---------- Course detail ---------- */
.course-head{border-radius:var(--r-lg);border:1px solid var(--border);padding:2.25rem;background:radial-gradient(120% 160% at 100% 0%,rgba(245,197,66,.08),transparent 55%),var(--surface)}
.course-head h1{font-size:2.4rem;font-weight:700;letter-spacing:-.02em}
.meta{display:flex;flex-wrap:wrap;gap:1.25rem;color:var(--muted);font-size:.9rem;margin-top:1rem}
.meta span{display:inline-flex;align-items:center;gap:.45rem}
.progress-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem}

/* ---------- Modules & lessons list (Accordion Premium) ---------- */
.module{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);margin-bottom:1.15rem;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.module:hover,.module[open]{border-color:rgba(41,195,214,.35);box-shadow:0 8px 24px -10px rgba(0,0,0,.5)}

.module summary,.module-head{padding:1.35rem 1.6rem;display:flex;align-items:center;justify-content:space-between;gap:1.25rem;cursor:pointer;user-select:none;font-weight:600;list-style:none;background:transparent;transition:background .2s var(--ease)}
.module summary::-webkit-details-marker{display:none}
.module summary:hover,.module-head:hover{background:var(--surface-2)}

.module summary .num,.module-head .idx{width:2.35rem;height:2.35rem;border-radius:10px;background:rgba(41,195,214,.12);border:1px solid rgba(41,195,214,.25);color:var(--accent);font-size:.95rem;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none;box-shadow:0 2px 8px rgba(41,195,214,.15)}
.module summary .mod-info,.module-head .left{display:flex;flex-direction:column;gap:.25rem;flex:1;min-width:0}
.module summary .mt{font-size:1.08rem;font-weight:700;color:var(--text);line-height:1.35;letter-spacing:-.01em}
.module summary .mc{font-size:.84rem;color:var(--muted);font-weight:500;display:flex;align-items:center;gap:.45rem}
.module summary .mc i{color:var(--accent);font-size:.8rem}

.module summary .chev,.module-head .arr{width:2.2rem;height:2.2rem;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.85rem;color:var(--muted);flex:none;transition:transform .3s cubic-bezier(.34,1.25,.64,1),background .2s,color .2s}
.module[open] summary .chev,.module.open .module-head .arr{transform:rotate(180deg);color:var(--accent);border-color:rgba(41,195,214,.3);background:rgba(41,195,214,.12)}

.module-body,.module-lessons{display:flex;flex-direction:column;background:rgba(8,10,15,.4)}
.module.open .module-body{display:block}

.lesson{display:flex;align-items:center;gap:1.1rem;padding:1.1rem 1.6rem;border-top:1px solid rgba(255,255,255,.06);color:var(--muted);transition:background .2s var(--ease),padding-left .2s var(--ease),color .2s var(--ease);position:relative}
.lesson:hover{background:rgba(41,195,214,.07);color:#fff;padding-left:1.9rem}
.lesson .st{width:1.4rem;height:1.4rem;border-radius:50%;border:2px solid rgba(255,255,255,.2);flex:none;display:flex;align-items:center;justify-content:center;font-size:.72rem;transition:all .2s var(--ease)}
.lesson:hover .st{border-color:var(--accent)}
.lesson.done .st{border-color:var(--green);background:var(--green);color:#04231a;box-shadow:0 0 10px rgba(51,214,159,.35)}
.lesson .lt{font-size:.98rem;font-weight:500;color:#d1d5db;line-height:1.45;flex:1;min-width:0;transition:color .2s var(--ease)}
.lesson:hover .lt{color:#fff}
.lesson .idx{color:var(--faint);font-variant-numeric:tabular-nums;font-size:.88rem;font-weight:700;flex:none}
.lesson:hover .idx{color:var(--accent)}
.lesson .play{width:2rem;height:2rem;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.72rem;color:var(--muted);margin-left:auto;flex:none;transition:all .2s var(--ease)}
.lesson:hover .play{background:var(--accent);color:#041a24;border-color:var(--accent);transform:scale(1.08);box-shadow:0 0 12px rgba(41,195,214,.45)}

/* ---------- Lesson player page ---------- */
.player-top{position:sticky;top:0;z-index:30;background:rgba(8,9,13,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:3.75rem;display:flex;align-items:center;gap:1rem;padding-inline:1.5rem;max-width:100%;box-sizing:border-box}
.player-wrap{display:grid;grid-template-columns:100%;gap:1.5rem;max-width:82rem;margin-inline:auto;padding:1.5rem;width:100%;box-sizing:border-box}
.player-wrap > *{min-width:0;max-width:100%;box-sizing:border-box}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--r);overflow:hidden;border:1px solid var(--border)}
.video video,.video iframe{width:100%;height:100%;display:block;border:0}
.lesson-title{font-size:1.7rem;font-weight:700;letter-spacing:-.01em;margin:.25rem 0;word-break:break-word}
.aside-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;align-self:start;min-width:0}
.aside-list .h{display:flex;align-items:center;justify-content:space-between;padding:0.9rem 1.15rem;border-bottom:1px solid var(--border);font-weight:700;font-size:0.95rem;color:#fff;background:rgba(255,255,255,.02)}
.aside-mod{padding:.6rem 1.25rem;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--surface-2)}

/* ---------- Aside Module Accordion ---------- */
.aside-accordion-group{display:flex;flex-direction:column}
.aside-mod-accordion{border-bottom:1px solid var(--border);transition:all .2s ease}
.aside-mod-accordion:last-child{border-bottom:none}
.aside-mod-summary{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem 1rem;background:var(--surface-2);cursor:pointer;user-select:none;list-style:none;transition:all .2s ease}
.aside-mod-summary::-webkit-details-marker{display:none}
.aside-mod-summary:hover{background:rgba(41,195,214,.08)}
.aside-mod-accordion.is-current-module > .aside-mod-summary{background:rgba(41,195,214,.1);border-left:3px solid var(--accent)}
.aside-mod-title-wrap{display:flex;align-items:center;gap:.55rem;min-width:0;flex:1}
.aside-mod-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:rgba(255,255,255,.08);font-size:.7rem;font-weight:700;color:#94a3b8;flex-shrink:0}
.aside-mod-accordion.is-current-module .aside-mod-num{background:var(--accent);color:#040914}
.aside-mod-title{font-size:.76rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#94a3b8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}
.aside-mod-accordion.is-current-module .aside-mod-title{color:#f1f5f9}
.aside-mod-summary:hover .aside-mod-title{color:#fff}
.aside-mod-meta{display:flex;align-items:center;gap:.5rem;flex-shrink:0}
.aside-mod-count{font-size:.72rem;color:var(--muted);display:inline-flex;align-items:center}
.aside-mod-chevron{font-size:.72rem;color:var(--muted);transition:transform .25s cubic-bezier(.4,0,.2,1)}
.aside-mod-accordion[open] > .aside-mod-summary .aside-mod-chevron{transform:rotate(180deg);color:var(--accent)}
.aside-mod-content{background:rgba(0,0,0,.15);padding:.25rem 0 .5rem}
.aside-mod-content .lesson{padding:.75rem 1rem;gap:.75rem;border-top:1px solid rgba(255,255,255,.04)}
.aside-mod-content .lesson:first-child{border-top:none}
.aside-mod-content .lesson .lt{font-size:.88rem;line-height:1.4}
.aside-mod-content .aside-module-materials{margin:.35rem .6rem .5rem}
.aside-mod-content .lesson.lesson-exercise{margin:.35rem .6rem .45rem}

.material{display:flex;align-items:center;gap:.8rem;padding:.9rem 1.1rem;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface-2);margin-top:.6rem}
.material .mi{width:2.2rem;height:2.2rem;border-radius:8px;background:rgba(41,195,214,.14);color:var(--accent);display:flex;align-items:center;justify-content:center;flex:none}

/* Material Complementar na Barra Lateral (Aside) */
.material.material-aside {
  margin-top: 0;
  padding: 0.65rem 0.8rem;
  gap: 0.65rem;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  align-items: center;
  transition: all 0.2s ease;
  width: 100%;
}
.material.material-aside:hover {
  background: rgba(41, 195, 214, 0.08);
  border-color: rgba(41, 195, 214, 0.35);
  transform: translateY(-1px);
}
.material-aside .mi {
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  font-size: 0.9rem;
  flex: none;
}
.material-aside .mat-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-align: left;
}
.material-aside .mat-title {
  font-size: 0.82rem;
  line-height: 1.3;
  color: #e2e8f0;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.material-aside .mat-action {
  font-size: 0.73rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ---------- Lesson HTML Content (Modelo 3 & Artigos Ricos) ---------- */
.lesson-html-content{color:var(--text);font-size:1.02rem;line-height:1.75;margin-bottom:2rem;max-width:100%;box-sizing:border-box;word-break:break-word;overflow-wrap:break-word}
.lesson-html-content p{margin-bottom:1.25rem;color:#cbd5e1;word-break:break-word;overflow-wrap:break-word}
.lesson-html-content h2,.lesson-html-content h3,.lesson-html-content h4{color:#fff;font-weight:700;margin-top:2rem;margin-bottom:.85rem;line-height:1.3;word-break:break-word;overflow-wrap:break-word}
.lesson-html-content h2{font-size:1.45rem;border-bottom:1px solid var(--border);padding-bottom:.45rem}
.lesson-html-content h3{font-size:1.2rem;color:#67e8f9}
.lesson-html-content h4{font-size:1.05rem;color:#a085ff}
.lesson-html-content ul,.lesson-html-content ol{margin-bottom:1.25rem;padding-left:1.5rem;color:#cbd5e1}
.lesson-html-content li{margin-bottom:.5rem;word-break:break-word;overflow-wrap:break-word}
.lesson-html-content strong{color:#fff;font-weight:700}
.lesson-html-content code{background:var(--surface-2);border:1px solid var(--border);padding:.18rem .45rem;border-radius:6px;font-size:.88rem;color:#29c3d6;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;word-break:break-word;overflow-wrap:break-word}
.lesson-html-content pre{background:#06080d;border:1px solid var(--border);border-radius:10px;padding:1.15rem 1.3rem;overflow-x:auto;max-width:100%;margin:1.4rem 0;box-sizing:border-box;white-space:pre-wrap;word-break:break-word}
.lesson-html-content pre code{background:transparent;border:none;padding:0;color:#e2e8f0;font-size:.92rem;line-height:1.6;display:block;white-space:pre-wrap;word-break:break-word}
.lesson-html-content table{width:100%!important;max-width:100%!important;border-collapse:collapse;margin:1.5rem 0;background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;table-layout:auto;box-sizing:border-box}
.lesson-html-content th,.lesson-html-content td{padding:.85rem 1.1rem;border:1px solid var(--border);text-align:left;vertical-align:top;word-break:normal;overflow-wrap:break-word;word-wrap:break-word;white-space:normal;hyphens:none;-webkit-hyphens:none;box-sizing:border-box}
.lesson-html-content th{background:var(--surface-2);color:#67e8f9;font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.lesson-html-content th:first-child,.lesson-html-content td:first-child{min-width:160px;width:auto;font-weight:700;color:#fff;word-break:normal;hyphens:none}
.lesson-html-content .callout{background:rgba(41,195,214,.08);border-left:4px solid #29c3d6;border-radius:0 12px 12px 0;padding:1.35rem 1.65rem;margin:1.6rem 0;max-width:100%;box-sizing:border-box;word-break:break-word}
.lesson-html-content .callout.tip{background:rgba(51,214,159,.08);border-left-color:#33d69f}
.lesson-html-content .callout.warn{background:rgba(245,197,66,.08);border-left-color:#f5c542}
.lesson-html-content .callout p:last-child{margin-bottom:0}
.lesson-html-content .step-box{background:rgba(15,23,42,.7);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1.45rem 1.7rem;margin:1.5rem 0;max-width:100%;box-sizing:border-box;word-break:break-word;box-shadow:0 4px 16px rgba(0,0,0,.2)}
.lesson-html-content .step-box .step-badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.76rem;font-weight:700;color:#38bdf8;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);padding:.25rem .65rem;border-radius:6px;margin-bottom:.85rem;text-transform:uppercase;letter-spacing:.03em}
.lesson-html-content .step-box h4{margin-top:0;margin-bottom:.75rem;color:#f1f5f9;font-size:1.12rem;font-weight:700}
.lesson-html-content .step-box p:last-child,.lesson-html-content .step-box ul:last-child,.lesson-html-content .step-box ol:last-child{margin-bottom:0}

/* ---------- Prompt Box & Copiador Interativo (IDE Standard) ---------- */
.lesson-html-content .prompt-box,
.prompt-box {
  background: #080c14;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  margin: 1.8rem 0;
  overflow: hidden;
  box-shadow: 0 14px 40px -10px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.lesson-html-content .prompt-header,
.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: #0f1523;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  font-weight: 600;
  color: #cbd5e1;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.lesson-html-content .prompt-header span,
.prompt-header span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: 'Fira Code', ui-monospace, monospace;
}
.lesson-html-content .prompt-header span i,
.prompt-header span i {
  color: var(--accent);
  margin-right: 0.2rem;
}
.lesson-html-content .prompt-text,
.prompt-text {
  margin: 0 !important;
  padding: 0.85rem 0 !important;
  font-family: 'Fira Code', 'Cascadia Code', Consolas, Monaco, monospace !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  color: #e2e8f0 !important;
  background: #080c14 !important;
  overflow-x: auto;
  border: none !important;
}

/* ---------- Interatividade: Quizzes, Checklists & Abas ---------- */
.lesson-html-content .interactive-quiz,
.interactive-quiz {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(15, 18, 24, 0.96));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 14px;
  padding: 1.5rem 1.6rem;
  margin: 2rem 0;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}
.lesson-html-content .interactive-quiz::before,
.interactive-quiz::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #38bdf8, #818cf8, #c084fc);
}
.lesson-html-content .quiz-title,
.quiz-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 1.25rem;
  display: block;
  line-height: 1.6;
}
.lesson-html-content .quiz-title i,
.quiz-title i {
  color: #38bdf8;
  font-size: 1.2rem;
  margin-right: 0.5rem;
  vertical-align: -1px;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.4));
  display: inline;
}
.lesson-html-content .quiz-title code,
.quiz-title code {
  display: inline-block;
  white-space: nowrap;
  vertical-align: baseline;
  margin: 0 0.25rem;
  padding: 0.15rem 0.45rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 6px;
  color: #38bdf8;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.lesson-html-content .quiz-options,
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.lesson-html-content .quiz-opt,
.quiz-opt {
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 0.9rem 1.15rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
  line-height: 1.45;
  text-align: left;
  width: 100%;
  position: relative;
  outline: none;
  font-family: inherit;
}
.lesson-html-content .quiz-opt:hover,
.quiz-opt:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.5);
  color: #ffffff;
  transform: translateX(5px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.quiz-opt-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 700;
  font-size: 0.82rem;
  color: #38bdf8;
  transition: all 0.2s ease;
}
.lesson-html-content .quiz-opt:hover .quiz-opt-letter,
.quiz-opt:hover .quiz-opt-letter {
  background: #38bdf8;
  border-color: #38bdf8;
  color: #0b0f19;
}
.quiz-opt-text {
  flex: 1;
}
.lesson-html-content .quiz-opt.selected-correct,
.quiz-opt.selected-correct {
  background: rgba(16, 185, 129, 0.18) !important;
  border-color: #10b981 !important;
  color: #6ee7b7 !important;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.25) !important;
}
.lesson-html-content .quiz-opt.selected-correct .quiz-opt-letter,
.quiz-opt.selected-correct .quiz-opt-letter {
  background: #10b981 !important;
  border-color: #10b981 !important;
  color: #ffffff !important;
}
.lesson-html-content .quiz-opt.selected-wrong,
.quiz-opt.selected-wrong {
  background: rgba(239, 68, 68, 0.18) !important;
  border-color: #ef4444 !important;
  color: #fca5a5 !important;
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.25) !important;
}
.lesson-html-content .quiz-opt.selected-wrong .quiz-opt-letter,
.quiz-opt.selected-wrong .quiz-opt-letter {
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
}
.lesson-html-content .quiz-feedback,
.quiz-feedback {
  margin-top: 1.15rem;
  padding: 1.1rem 1.3rem;
  border-radius: 10px;
  font-size: 0.94rem;
  line-height: 1.6;
  display: none;
}
.lesson-html-content .quiz-feedback.is-visible,
.quiz-feedback.is-visible {
  display: block;
  animation: fadeIn 0.3s ease;
}
.lesson-html-content .quiz-feedback.correct,
.quiz-feedback.correct {
  background: rgba(16, 185, 129, 0.14);
  border: 1px solid rgba(16, 185, 129, 0.38);
  color: #a7f3d0;
}
.lesson-html-content .quiz-feedback.wrong,
.quiz-feedback.wrong {
  background: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.38);
  color: #fecaca;
}

.lesson-html-content .interactive-checklist,
.interactive-checklist {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid #1e293b;
  border-radius: 12px;
  padding: 1.3rem 1.4rem;
  margin: 1.8rem 0;
}
.lesson-html-content .checklist-header,
.checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 0.6rem;
  gap: 1rem;
}
.lesson-html-content .checklist-title-wrap,
.checklist-title-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.lesson-html-content .checklist-title,
.checklist-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #10b981;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.lesson-html-content .checklist-icon,
.checklist-icon {
  color: #10b981;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.lesson-html-content .checklist-counter,
.checklist-counter {
  font-size: 0.82rem;
  color: #94a3b8;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  white-space: nowrap;
}
.lesson-html-content .checklist-items,
.checklist-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.lesson-html-content .checklist-item,
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--fast) ease;
  color: #cbd5e1;
  font-size: 0.93rem;
}
.lesson-html-content .checklist-item:hover,
.checklist-item:hover {
  background: rgba(255, 255, 255, 0.04);
}
.lesson-html-content .checklist-item.is-done,
.checklist-item.is-done {
  text-decoration: line-through;
  color: #64748b;
}
.lesson-html-content .checklist-item input[type="checkbox"],
.checklist-item input[type="checkbox"] {
  margin-top: 0.25rem;
  cursor: pointer;
  accent-color: #10b981;
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

/* ---------- Figuras e Ilustrações Didáticas em Alta Resolução (Sem corte, 100% largura, altura livre) ---------- */
.lesson-html-content .lesson-figure,
.lesson-html-content .course-banner-wrap{
  background:rgba(13,16,23,.85);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(41,195,214,.25);
  border-radius:16px;
  overflow:hidden;
  margin:2rem 0;
  box-shadow:0 16px 40px -12px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.05);
  transition:border-color .3s ease, transform .3s ease;
}
.lesson-html-content .lesson-figure:hover,
.lesson-html-content .course-banner-wrap:hover{
  border-color:rgba(41,195,214,.5);
}
.lesson-html-content img:not(.mentor-tip-avatar):not(.mentor-tip-img):not(.mentor-avatar):not(.live-speaker-avatar),
.lesson-html-content .course-banner-wrap img,
.lesson-html-content .course-banner-img,
.lesson-html-content .lesson-figure img,
.lesson-html-content figure img{
  width:100%!important;
  max-width:100%!important;
  height:auto!important;
  max-height:none!important;
  object-fit:contain!important;
  display:block;
}
.lesson-html-content .lesson-figure-caption{
  padding:1.1rem 1.5rem;
  background:rgba(8,10,15,.7);
  display:flex;
  align-items:flex-start;
  gap:.85rem;
  font-size:.88rem;
  color:#94a3b8;
  line-height:1.5;
}
.lesson-html-content .lesson-figure-caption .fig-icon{
  width:2rem;
  height:2rem;
  border-radius:8px;
  background:rgba(41,195,214,.14);
  color:#29c3d6;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-size:.95rem;
}
.lesson-html-content .lesson-figure-caption strong{
  color:#f1f5f9;
}

/* ---------- Card Dica do Mentor & Citações do Professor com Foto em Círculo Perfeito ---------- */
.lesson-html-content .mentor-tip-card,
.mentor-tip-card,
.mentor-quote-card,
.mentor-card {
  background:linear-gradient(135deg, rgba(15,23,42,0.92), rgba(13,16,23,0.96));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(41,195,214,0.3);
  border-left:4px solid #29c3d6;
  border-radius:14px;
  padding:1.35rem 1.6rem;
  margin:2.2rem 0;
  box-shadow:0 10px 30px rgba(0,0,0,0.45);
  display:flex;
  align-items:center;
  gap:1.35rem;
  transition:border-color .3s ease, transform .2s ease;
}
.lesson-html-content .mentor-tip-card:hover,
.mentor-tip-card:hover,
.mentor-quote-card:hover,
.mentor-card:hover {
  border-color:rgba(41,195,214,0.55);
  transform:translateY(-2px);
}

.lesson-html-content .mentor-tip-avatar,
.mentor-tip-avatar,
.mentor-avatar-wrap {
  position:relative;
  width:68px;
  height:68px;
  min-width:68px;
  min-height:68px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
}

.lesson-html-content .mentor-tip-card img,
.mentor-tip-card img,
.mentor-quote-card img,
.mentor-card img,
.mentor-tip-avatar img,
img.mentor-tip-img,
img.mentor-tip-avatar,
img.mentor-avatar {
  width:68px!important;
  height:68px!important;
  min-width:68px!important;
  min-height:68px!important;
  max-width:68px!important;
  max-height:68px!important;
  border-radius:50%!important;
  aspect-ratio:1/1!important;
  object-fit:cover!important;
  object-position:center 15%!important;
  border:2.5px solid #29c3d6!important;
  box-shadow:0 0 18px rgba(41,195,214,0.45), 0 4px 12px rgba(0,0,0,0.5)!important;
  flex-shrink:0!important;
  display:block!important;
}

.mentor-tip-pulse {
  position:absolute;
  bottom:2px;
  right:2px;
  width:14px;
  height:14px;
  background:#10b981;
  border:2.5px solid #0f172a;
  border-radius:50%;
  box-shadow:0 0 8px rgba(16,185,129,0.8);
}

.lesson-html-content .mentor-tip-content,
.lesson-html-content .mentor-tip-body,
.lesson-html-content .mentor-content,
.mentor-tip-content,
.mentor-tip-body,
.mentor-content {
  flex:1;
  min-width:0;
}
.lesson-html-content .mentor-tip-header,
.mentor-tip-header {
  display:flex;
  align-items:center;
  gap:.65rem;
  margin-bottom:.45rem;
  flex-wrap:wrap;
}
.lesson-html-content .mentor-tip-badge,
.lesson-html-content .mentor-badge,
.mentor-tip-badge,
.mentor-badge {
  background:rgba(41,195,214,0.16);
  color:#29c3d6;
  padding:.22rem .6rem;
  border-radius:6px;
  font-size:.73rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.04em;
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  border:1px solid rgba(41,195,214,0.3);
  margin-bottom:.4rem;
}
.lesson-html-content .mentor-tip-name,
.lesson-html-content .mentor-tip-author,
.mentor-tip-name,
.mentor-tip-author {
  color:#f8fafc;
  font-size:1rem;
  font-weight:700;
}
.lesson-html-content .mentor-tip-text,
.lesson-html-content .mentor-tip-quote,
.lesson-html-content .mentor-quote,
.mentor-tip-text,
.mentor-tip-quote,
.mentor-quote {
  color:#cbd5e1;
  font-size:.94rem;
  line-height:1.6;
  margin:0 0 .4rem 0;
  font-style:normal;
}
.lesson-html-content .mentor-signature,
.mentor-signature {
  font-size:.84rem;
  color:#94a3b8;
  margin-top:.35rem;
}
.lesson-html-content .mentor-signature strong,
.mentor-signature strong {
  color:#f1f5f9;
}
.lesson-html-content .mentor-tip-text em,
.lesson-html-content .mentor-tip-quote em{
  color:#e2e8f0;
  font-style:italic;
}
@media (max-width:640px){
  .lesson-html-content .mentor-tip-card,
  .mentor-tip-card{
    flex-direction:column;
    align-items:flex-start;
    gap:.9rem;
    padding:1.15rem 1.25rem;
  }
}

/* ---------- Acordeons Interativos Didáticos (Details / Summary) ---------- */
.lesson-html-content details.lesson-accordion,
.lesson-html-content details{
  background:rgba(15,23,42,.65);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  margin:1.5rem 0;
  overflow:hidden;
  transition:all .25s ease;
  box-shadow:0 4px 16px rgba(0,0,0,.2);
}
.lesson-html-content details.lesson-accordion[open],
.lesson-html-content details[open]{
  border-color:rgba(41,195,214,.45);
  background:rgba(15,23,42,.95);
  box-shadow:0 10px 30px -8px rgba(0,0,0,.6), 0 0 0 1px rgba(41,195,214,.15);
}
.lesson-html-content details.lesson-accordion summary,
.lesson-html-content details summary{
  padding:1.25rem 1.6rem;
  font-weight:700;
  font-size:1.05rem;
  color:#f1f5f9;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  list-style:none;
  user-select:none;
  transition:background .2s ease, color .2s ease;
  position:relative;
  gap:1rem;
}
.lesson-html-content details.lesson-accordion summary::-webkit-details-marker,
.lesson-html-content details summary::-webkit-details-marker{
  display:none;
}
.lesson-html-content details.lesson-accordion summary:hover,
.lesson-html-content details summary:hover{
  background:rgba(41,195,214,.08);
  color:#38bdf8;
}

/* Indicador de seta moderno via pseudo-elemento quando não houver .acc-caret */
.lesson-html-content details.lesson-accordion summary::after,
.lesson-html-content details summary::after{
  content:'\f078';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  font-size:.85rem;
  color:#94a3b8;
  transition:transform .25s ease, color .25s ease;
  flex-shrink:0;
}
.lesson-html-content details.lesson-accordion[open] summary::after,
.lesson-html-content details[open] summary::after{
  transform:rotate(180deg);
  color:#38bdf8;
}
.lesson-html-content details.lesson-accordion summary:has(.acc-caret)::after,
.lesson-html-content details summary:has(.acc-caret)::after{
  display:none;
}

.lesson-html-content details.lesson-accordion summary .acc-title{
  display:flex;
  align-items:center;
  gap:.75rem;
}
.lesson-html-content details.lesson-accordion summary .acc-title i{
  color:#29c3d6;
  font-size:1.1rem;
}
.lesson-html-content details.lesson-accordion summary .acc-caret{
  font-size:.85rem;
  color:#94a3b8;
  transition:transform .25s ease, color .25s ease;
}
.lesson-html-content details.lesson-accordion[open] summary .acc-caret{
  transform:rotate(180deg);
  color:#38bdf8;
}

/* Corpo do Acordeom com espaçamento interno generoso (padding) */
.lesson-html-content details.lesson-accordion .accordion-body,
.lesson-html-content details.lesson-accordion .acc-content,
.lesson-html-content details > .accordion-body,
.lesson-html-content details > .acc-content,
.lesson-html-content details > div:not(summary),
.lesson-html-content details > p:not(summary),
.lesson-html-content details > ul:not(summary),
.lesson-html-content details > ol:not(summary){
  padding:1.35rem 1.65rem 1.65rem !important;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:.96rem;
  color:#cbd5e1;
  line-height:1.75;
  box-sizing:border-box;
}
.lesson-html-content details.lesson-accordion .accordion-body p:last-child,
.lesson-html-content details.lesson-accordion .acc-content p:last-child,
.lesson-html-content details .accordion-body p:last-child,
.lesson-html-content details .acc-content p:last-child,
.lesson-html-content details > div:not(summary) > p:last-child,
.lesson-html-content details > div:not(summary) > ul:last-child{
  margin-bottom:0;
}

/* ---------- Cards de Conceitos e Analogias ---------- */
.lesson-html-content .concept-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:1.1rem;
  margin:1.6rem 0;
}
@media(min-width:640px){
  .lesson-html-content .concept-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .lesson-html-content .concept-grid{grid-template-columns:repeat(3,1fr)}
}
.lesson-html-content .concept-card{
  background:rgba(15,23,42,.65);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  padding:1.4rem 1.55rem;
  display:flex;
  flex-direction:column;
  gap:.65rem;
  transition:transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
  box-sizing:border-box;
}
.lesson-html-content .concept-card:hover{
  transform:translateY(-3px);
  border-color:rgba(56,189,248,.4);
  background:rgba(15,23,42,.9);
  box-shadow:0 10px 25px -5px rgba(0,0,0,.5);
}
.lesson-html-content .concept-title{
  font-size:1.05rem;
  font-weight:700;
  color:#f8fafc;
  margin:0;
}
.lesson-html-content .concept-desc{
  font-size:.9rem;
  color:#cbd5e1;
  line-height:1.6;
  margin:0;
}
.lesson-html-content .concept-icon{
  width:2.6rem;
  height:2.6rem;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  margin-bottom:.2rem;
}
.lesson-html-content .concept-icon.cyan{background:rgba(41,195,214,.15);color:#38bdf8}
.lesson-html-content .concept-icon.amber{background:rgba(245,197,66,.15);color:#fde047}
.lesson-html-content .concept-icon.green{background:rgba(16,185,129,.15);color:#6ee7b7}
.lesson-html-content .concept-icon.purple{background:rgba(168,85,247,.15);color:#c084fc}
.lesson-html-content .concept-icon.red{background:rgba(239,68,68,.15);color:#f87171}
.lesson-html-content .concept-card h4{
  margin:0;
  font-size:1.05rem;
  font-weight:700;
  color:#f8fafc;
}
.lesson-html-content .concept-card p{
  margin:0;
  font-size:.88rem;
  color:#94a3b8;
  line-height:1.55;
}
.lesson-html-content .concept-card .metaphor-badge{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  font-size:.75rem;
  font-weight:700;
  color:#38bdf8;
  background:rgba(56,189,248,.1);
  padding:.2rem .55rem;
  border-radius:6px;
  align-self:flex-start;
  margin-top:auto;
}

/* ---------- Simulador Passo a Passo do Ciclo CPU ---------- */
.lesson-html-content .cpu-sim-box{
  background:radial-gradient(120% 120% at 50% 0%, rgba(56,189,248,.08), rgba(11,15,25,.95)), #0b0f19;
  border:1px solid rgba(56,189,248,.3);
  border-radius:14px;
  padding:1.5rem;
  margin:2rem 0;
  box-shadow:0 12px 36px -8px rgba(0,0,0,.7);
}
.lesson-html-content .cpu-sim-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.08);
  padding-bottom:1rem;
  margin-bottom:1.25rem;
  flex-wrap:wrap;
  gap:.75rem;
}
.lesson-html-content .cpu-sim-title{
  font-size:1.15rem;
  font-weight:800;
  color:#38bdf8;
  display:flex;
  align-items:center;
  gap:.6rem;
}
.lesson-html-content .cpu-steps-nav{
  display:flex;
  gap:.45rem;
  flex-wrap:wrap;
}
.lesson-html-content .btn-sim-step{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:#cbd5e1;
  padding:.4rem .85rem;
  border-radius:8px;
  font-size:.82rem;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
}
.lesson-html-content .btn-sim-step:hover{
  background:rgba(56,189,248,.15);
  border-color:#38bdf8;
  color:#fff;
}
.lesson-html-content .btn-sim-step.active{
  background:linear-gradient(135deg, #0284c7, #38bdf8);
  border-color:#38bdf8;
  color:#041520;
  font-weight:700;
  box-shadow:0 0 16px rgba(56,189,248,.4);
}
.lesson-html-content .sim-step-panel{
  display:none;
  background:rgba(15,23,42,.6);
  border:1px solid rgba(255,255,255,.08);
  border-radius:10px;
  padding:1.25rem 1.4rem;
  animation:fadeIn .3s ease;
}
.lesson-html-content .sim-step-panel.active{
  display:block;
}

/* ---------- Mac IDE Window & Code Blocks Modernos (Padrão Completo Universal) ---------- */
.lesson-html-content .mac-ide-window,
.mac-ide-window,
.code-window {
  background: #080c14;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  margin: 1.8rem 0;
  overflow: hidden;
  box-shadow: 0 14px 40px -10px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.lesson-html-content .mac-ide-header,
.mac-ide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: #0f1523;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: #cbd5e1;
  gap: 0.75rem;
}
.mac-ide-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.mac-ide-dot,
.mac-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.mac-ide-dot.red, .mac-dot.red, .mac-dot.dot-red { background: #ff5f56; box-shadow: 0 0 6px rgba(255, 95, 86, 0.4); }
.mac-ide-dot.yellow, .mac-dot.yellow, .mac-dot.dot-yellow { background: #ffbd2e; box-shadow: 0 0 6px rgba(255, 189, 46, 0.4); }
.mac-ide-dot.green, .mac-dot.green, .mac-dot.dot-green { background: #27c93f; box-shadow: 0 0 6px rgba(39, 201, 63, 0.4); }
.mac-ide-filename,
.mac-ide-title {
  font-family: 'Fira Code', ui-monospace, monospace;
  font-size: 0.82rem;
  color: #cbd5e1;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mac-ide-copy-btn,
.btn-copy-code {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 6px;
  color: #38bdf8;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
  flex-shrink: 0;
}
.mac-ide-copy-btn:hover,
.btn-copy-code:hover {
  background: rgba(56, 189, 248, 0.22);
  border-color: #38bdf8;
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
}
.mac-ide-copy-btn.copied,
.mac-ide-copy-btn.is-copied,
.btn-copy-code.copied,
.btn-copy-code.is-copied {
  background: rgba(16, 185, 129, 0.2) !important;
  border-color: #10b981 !important;
  color: #6ee7b7 !important;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4) !important;
}
.mac-ide-editor {
  display: flex !important;
  flex-direction: row !important;
  align-items: stretch !important;
  background: #080c14 !important;
  overflow-x: auto;
  position: relative;
  padding: 0.5rem 0 !important;
}
.mac-ide-lines {
  display: flex !important;
  flex-direction: column !important;
  padding: 0.85rem 0.75rem 0.85rem 1rem !important;
  background: transparent !important;
  border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
  text-align: right !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  font-family: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  color: #475569 !important;
  min-width: 46px !important;
  flex-shrink: 0 !important;
  box-sizing: border-box !important;
}
.mac-ide-lines span {
  display: block !important;
  height: 1.65em !important;
  line-height: 1.65em !important;
  color: #475569 !important;
  font-size: 0.88rem !important;
}
.mac-ide-body,
.mac-ide-code {
  flex: 1 !important;
  min-width: 0 !important;
  padding: 0.85rem 1.25rem !important;
  background: #080c14 !important;
  overflow-x: auto;
  font-family: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  color: #e2e8f0 !important;
}
.mac-ide-code pre,
.mac-ide-body pre,
.code-box pre,
.prompt-text,
pre.has-line-numbers {
  margin: 0 !important;
  padding: 0 !important;
  font-family: 'Fira Code', 'Cascadia Code', Consolas, Monaco, monospace !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  color: #e2e8f0 !important;
  background: transparent !important;
  border: none !important;
  overflow-x: auto;
  white-space: pre !important;
}
.mac-ide-body code,
code.has-line-numbers {
  color: inherit;
  background: transparent !important;
  padding: 0 !important;
  border: none !important;
  display: block;
  font-family: inherit !important;
  font-size: inherit !important;
  line-height: inherit !important;
}
.code-line {
  display: flex !important;
  align-items: stretch !important;
  min-height: 1.7em !important;
  line-height: 1.7em !important;
  padding: 0 !important;
  margin: 0 !important;
  transition: background 0.12s ease;
}
.code-line:hover {
  background: rgba(255, 255, 255, 0.04) !important;
}
.line-number {
  display: inline-block !important;
  width: 48px !important;
  min-width: 48px !important;
  text-align: right !important;
  padding-right: 14px !important;
  margin-right: 14px !important;
  color: #4b5563 !important;
  font-size: 0.8rem !important;
  font-family: 'Fira Code', Consolas, monospace !important;
  font-weight: 500 !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  border-right: 1px solid rgba(255, 255, 255, 0.09) !important;
  flex-shrink: 0 !important;
}
.code-line:hover .line-number {
  color: #94a3b8 !important;
}
.line-content {
  flex: 1 !important;
  min-width: 0 !important;
  white-space: pre !important;
  word-break: normal !important;
  padding-right: 1.5rem !important;
  color: inherit;
  font-family: inherit;
}

/* ---------- Step Practice Box (Roteiro de Fixação) ---------- */
.lesson-html-content .step-practice-box,
.step-practice-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(17, 24, 39, 0.95));
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-left: 4px solid #38bdf8;
  border-radius: 12px;
  padding: 1.35rem 1.6rem;
  margin: 1.8rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.step-practice-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #38bdf8;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}
.step-practice-list {
  margin: 0;
  padding-left: 1.4rem;
  color: #cbd5e1;
  font-size: 0.94rem;
  line-height: 1.7;
}
.step-practice-list li {
  margin-bottom: 0.55rem;
}
.step-practice-list li:last-child {
  margin-bottom: 0;
}
.step-practice-list strong {
  color: #f1f5f9;
}

/* ---------- Badges de Cabeçalho & Textos Guia ---------- */
.lesson-header-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.badge-tag {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  padding: 0.28rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.badge-time {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  padding: 0.28rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.lead-text {
  font-size: 1.06rem;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 1.6rem;
}

/* ---------- Concept Cards Grid ---------- */
.concept-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.15rem;
  margin: 1.6rem 0;
}
.concept-cards-grid .concept-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
  transition: all 0.25s ease;
}
.concept-cards-grid .concept-card:hover {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}
.concept-cards-grid .concept-card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.65rem;
}
.concept-cards-grid .concept-card h4 {
  color: #f8fafc;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}
.concept-cards-grid .concept-card p {
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0;
}

/* ---------- Visualizador Flexível do Grid (Sem dependência de Bootstrap no parent) ---------- */
.grid-preview-container {
  background: #0d111c;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 1.25rem 1.4rem;
  margin: 1.8rem 0;
}
.grid-preview-row {
  display: flex;
  gap: 6px;
  width: 100%;
  margin-bottom: 0.9rem;
}
.grid-preview-row:last-child {
  margin-bottom: 0;
}
.grid-preview-col {
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Fira Code', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.6);
  transition: transform 0.2s ease, opacity 0.2s ease;
  box-sizing: border-box;
}
.grid-preview-col:hover {
  transform: scale(1.02);
  filter: brightness(1.15);
}

/* ---------- Master Lesson Design System (Dark Mode Nativo, Alto Contraste & Legibilidade Extrema) ---------- */
.lesson-html-content {
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.75;
}
.lesson-html-content strong,
.lesson-html-content b {
  color: #ffffff !important;
  font-weight: 700 !important;
}
.lesson-html-content p {
  color: #cbd5e1;
  line-height: 1.75;
}
.lesson-html-content h1 {
  color: #ffffff;
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
.lesson-html-content h2 {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 800;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}
.lesson-html-content h3 {
  color: #67e8f9;
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 1.6rem;
  margin-bottom: 0.75rem;
}
.lesson-html-content h4 {
  color: #a085ff;
  font-size: 1.05rem;
  font-weight: 700;
}

/* 1. Hero Card & Badges */
.lesson-html-content .lesson-hero,
.lesson-hero {
  background: linear-gradient(135deg, #18181b 0%, #1e293b 50%, #0f172a 100%);
  border-radius: 16px;
  padding: 30px 26px;
  margin-bottom: 26px;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
.lesson-hero h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 10px 0;
  line-height: 1.25;
}
.lesson-hero p {
  font-size: 1.05rem;
  line-height: 1.55;
  margin: 0;
  color: #fecdd3;
  font-weight: 400;
}
.lesson-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: #38bdf8;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.2rem;
}
.lesson-title-main {
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 1rem 0;
  line-height: 1.25;
}
.lesson-lead-paragraph {
  font-size: 1.06rem;
  color: #e2e8f0;
  line-height: 1.75;
  margin-bottom: 1.8rem;
  border-left: 3px solid #38bdf8;
  padding-left: 1.1rem;
}

/* 2. Objetivos & Fundamentação Teórica */
.lesson-html-content .lesson-objectives,
.lesson-objectives {
  background: #0f172a;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-left: 5px solid #38bdf8;
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 26px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.lesson-objectives h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #67e8f9;
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lesson-objectives ul {
  margin: 0;
  padding-left: 20px;
  color: #e2e8f0;
  font-size: 0.96rem;
  line-height: 1.7;
}
.lesson-objectives li {
  margin-bottom: 8px;
  color: #cbd5e1;
}
.lesson-objectives li strong {
  color: #ffffff !important;
}

.lesson-html-content .lesson-section,
.lesson-section {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 26px;
  margin-bottom: 26px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.lesson-section h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 16px 0;
  border-bottom: 2px solid rgba(56, 189, 248, 0.35);
  padding-bottom: 10px;
}
.lesson-section p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.75;
}
.lesson-section strong {
  color: #ffffff !important;
}

/* 3. Terminal & Console Simulators */
.lesson-html-content .terminal-container,
.lesson-html-content .terminal-window,
.terminal-container,
.terminal-window {
  background: #09090b;
  border: 1px solid #27272a;
  border-radius: 12px;
  margin: 1.8rem 0;
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.5);
}
.terminal-header {
  background: #18181b;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #27272a;
}
.terminal-controls {
  display: flex;
  gap: 7px;
  align-items: center;
}
.control-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}
.control-btn.close { background: #ef4444; }
.control-btn.minimize { background: #f59e0b; }
.control-btn.maximize { background: #10b981; }
.terminal-title {
  color: #fda4af;
  font-family: 'Fira Code', ui-monospace, monospace;
  font-size: 0.82rem;
  font-weight: 600;
}
.terminal-status-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
}
.terminal-body {
  padding: 18px 20px;
  background: #09090b;
}
.terminal-pre {
  margin: 0 !important;
  padding: 0 !important;
  font-family: 'Fira Code', ui-monospace, monospace !important;
  font-size: 0.88rem !important;
  line-height: 1.65 !important;
  background: transparent !important;
  border: none !important;
  color: #fca5a5 !important;
  overflow-x: auto;
}
.terminal-pre code {
  color: inherit !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
}

/* 4. Laboratórios de Refatoração & Comparações de Código */
.concept-section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 28px 0 16px 0;
  display: flex;
  align-items: center;
}
.comparison-section {
  margin-bottom: 28px;
}
.comparison-section h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 16px 0;
}
.component-preview-box {
  background: #0f172a;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  margin: 1.8rem 0;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.preview-header {
  background: #1e293b;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.86rem;
  font-weight: 700;
  color: #ffffff;
}
.preview-badge {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
}
.preview-desc {
  padding: 12px 16px;
  color: #94a3b8;
  font-size: 0.9rem;
  line-height: 1.55;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.preview-output-box {
  padding: 16px;
  background: #080c14;
  overflow-x: auto;
}
.preview-output-box pre {
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
}
.preview-output-box code {
  color: #67e8f9;
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
}

/* 5. Guias Práticos & Roteiros */
.practical-guide {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 26px;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.practical-guide h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 18px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.step-item .step-badge {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #04121a;
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.step-item .step-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 4px;
}
.step-item .step-desc {
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

/* 6. Tabelas Comparativas de Alto Contraste */
.lesson-html-content .table-container,
.table-container {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.table-container table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
  background: #0f172a;
}
.table-container th {
  background: #1e293b;
  color: #38bdf8;
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.table-container td {
  padding: 11px 16px;
  color: #cbd5e1;
  line-height: 1.6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.table-container td strong {
  color: #ffffff !important;
}

/* 7. Caixas de Atenção / Armadilhas & Dicas Pro */
.lesson-html-content .pitfalls-box,
.pitfalls-box {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-left: 5px solid #f59e0b;
  border-radius: 12px;
  padding: 22px 26px;
  margin-bottom: 28px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.pitfalls-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fbbf24;
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pitfalls-box ul {
  margin: 0;
  padding-left: 20px;
  color: #fed7aa;
  font-size: 0.94rem;
  line-height: 1.7;
}
.pitfalls-box li {
  margin-bottom: 8px;
  color: #fed7aa;
}
.pitfalls-box li strong {
  color: #ffffff !important;
}

.lesson-html-content .pro-tip-box,
.pro-tip-box {
  background: linear-gradient(135deg, #18181b 0%, #0f172a 100%);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 28px;
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.15);
}
.pro-tip-box h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}
.pro-tip-box p {
  color: #e2e8f0;
  font-size: 0.94rem;
  line-height: 1.65;
  margin: 8px 0 0 0;
}
.pro-tip-box strong {
  color: #ffffff !important;
}

/* 8. Opções de Quiz & Checklist */
.quiz-option {
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 10px;
  padding: 0.9rem 1.15rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
  margin-bottom: 10px;
}
.quiz-option:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.5);
  color: #ffffff;
  transform: translateX(4px);
}
.option-bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
}
.quiz-option:hover .option-bullet {
  background: #38bdf8;
  border-color: #38bdf8;
}
.option-text {
  flex: 1;
}

/* ---------- Auth ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:radial-gradient(90% 90% at 50% 0%,rgba(41,195,214,.08),transparent 55%),var(--bg)}
.auth-card{width:100%;max-width:26rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:2.25rem;box-shadow:var(--shadow)}
.auth-card .brand{justify-content:center;margin-bottom:1.5rem}
.auth h1{font-size:1.5rem;font-weight:700;text-align:center}
.auth .sub{color:var(--muted);text-align:center;margin-top:.35rem;margin-bottom:1.5rem;font-size:.92rem}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.82rem;color:var(--muted);margin-bottom:.4rem}
.input{width:100%;height:3rem;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:0 1rem;color:var(--text);transition:border-color var(--fast),box-shadow var(--fast)}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(41,195,214,.18)}
.input.err{border-color:var(--red)}
.hint{font-size:.78rem;margin-top:.35rem;min-height:1rem}
.hint.error{color:var(--red)} .hint.ok{color:var(--green)}
.auth-foot{text-align:center;margin-top:1.25rem;font-size:.88rem;color:var(--muted)}
.auth-foot a{color:var(--accent);font-weight:500}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:1rem}

/* ---------- Admin ---------- */
.admin-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.5rem}
.admin-tabs a{padding:.55rem 1rem;border-radius:9999px;border:1px solid var(--border);color:var(--muted);font-size:.9rem;font-weight:500}
.admin-tabs a.active{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.4rem}
.chart-card h3{font-size:1rem;font-weight:600;margin-bottom:1rem}
.pill-status{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:600;padding:.25rem .6rem;border-radius:9999px}
.pill-status.active{background:rgba(51,214,159,.14);color:var(--green)}
.pill-status.inactive{background:rgba(255,107,107,.14);color:var(--red)}
.pill-role{font-size:.72rem;font-weight:600;padding:.2rem .55rem;border-radius:6px;background:var(--surface-3);color:var(--muted)}
.pill-role.admin{background:rgba(245,197,66,.16);color:var(--amber)}
.tbl-actions{display:flex;gap:.4rem}
.act{width:2rem;height:2rem;border-radius:8px;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}
.act:hover{color:var(--text);background:var(--surface-2)}
.act.danger:hover{color:var(--red);border-color:rgba(255,107,107,.4)}

/* footer live cta */
.live-cta{border:1px solid var(--border);border-radius:var(--r-lg);background:radial-gradient(120% 160% at 100% 0%,rgba(41,195,214,.08),transparent 55%),var(--surface);padding:2rem;display:flex;flex-direction:column;gap:1.25rem}

/* ---------- Footer Styling ---------- */
.foot-site{
  border-top:1px solid var(--border);
  padding:3rem 1.5rem 2.5rem;
  color:var(--muted);
  text-align:center;
  font-size:.88rem;
  margin-top:4rem;
  background:rgba(8,10,14,.6);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:1.2rem;
}
.foot-slogan{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-size:1.1rem;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
}
.foot-slogan span{
  background:linear-gradient(135deg,var(--accent),#38bdf8,#818cf8);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.foot-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:1.35rem;
  flex-wrap:wrap;
}
.foot-link{
  display:inline-flex;
  align-items:center;
  color:var(--muted);
  font-weight:500;
  font-size:.82rem;
  transition:color var(--fast) var(--ease);
  text-decoration:none;
  padding:0;
  background:transparent;
  border:none;
}
.foot-link:hover{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:3px;
  background:transparent;
  border:none;
  transform:none;
}
.foot-link.highlight{
  color:var(--muted);
  background:transparent;
  border:none;
}
.foot-link.highlight:hover{
  color:var(--accent);
}
.foot-credits{
  font-size:.78rem;
  color:var(--faint);
  margin-top:.2rem;
}

/* ---------- DataTables (dark) ---------- */
.dataTables_wrapper{color:var(--muted);font-size:.9rem}
table.dataTable{width:100%!important;border-collapse:separate!important;border-spacing:0}
table.dataTable thead th{color:var(--muted);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;text-align:left;padding:.9rem 1rem;border-bottom:1px solid var(--border)}
table.dataTable tbody td{padding:.9rem 1rem;border-bottom:1px solid var(--border);color:var(--text);vertical-align:middle}
table.dataTable tbody tr:hover{background:var(--surface-2)}
.dataTables_wrapper .dataTables_filter input,.dataTables_wrapper .dataTables_length select{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:.4rem .6rem;margin-left:.4rem}
.dataTables_wrapper .dataTables_paginate .paginate_button{color:var(--muted)!important;border-radius:8px;margin:0 2px}
.dataTables_wrapper .dataTables_paginate .paginate_button.current{background:var(--accent)!important;color:var(--accent-ink)!important;border:none!important}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover{background:var(--surface-2)!important;border:none!important;color:var(--text)!important}
.dataTables_wrapper .dataTables_info{padding-top:1rem}

/* SweetAlert dark & Modais Globais (Apenas MODAIS, NUNCA Toasts) */
body.swal2-shown:not(.swal2-toast-shown) .swal2-container:not(.swal2-top-end):not(.swal2-top-start):not(.swal2-bottom-end):not(.swal2-bottom-start):not(.swal2-top):not(.swal2-bottom):not(.swal2-center-start):not(.swal2-center-end),
.agente-overlay,
.fb-overlay,
.support-backdrop,
.modal-backdrop,
.modal-overlay {
  background: rgba(0, 0, 0, 0.82) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
}

.swal2-popup:not(.swal2-toast){
  background: var(--surface) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-lg) !important;
  box-shadow: 0 25px 60px -15px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.05) !important;
}
.swal2-title, .swal2-html-container{ color: var(--text) !important; }
.swal2-input, .swal2-select{ background: var(--surface-2) !important; color: var(--text) !important; border: 1px solid var(--border) !important; }
.swal2-close{
  z-index: 10 !important;
  top: .75rem !important;
  right: .75rem !important;
  width: 2.2rem !important;
  height: 2.2rem !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 8px !important;
  color: var(--muted) !important;
  transition: all .15s ease !important;
}
.swal2-close:hover{
  background: var(--surface-2) !important;
  color: var(--text) !important;
  transform: scale(1.05) !important;
}

/* ---------- responsive ---------- */
@media(min-width:640px){
  .kpis{grid-template-columns:repeat(3,1fr)}
  .grid-courses{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:900px){
  .nav{display:flex}
  .grid-courses{grid-template-columns:repeat(3,1fr)}
  .player-wrap{grid-template-columns:minmax(0,1fr) 22rem}
  .course-split{display:grid;grid-template-columns:minmax(0,1fr) 20rem;gap:1.5rem;align-items:start}
}
@media(min-width:1200px){
  .grid-courses{grid-template-columns:repeat(4,1fr)}
}

/* ---------- Agente (modal) ---------- */
.agente-overlay{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:1.25rem}
.agente-overlay[hidden]{display:none}
.agente-modal{width:100%;max-width:40rem;background:var(--surface);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:1.5rem;box-shadow:var(--shadow);animation:agepop .25s var(--ease)}
@keyframes agepop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.agente-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1rem}
.agente-spark{color:var(--accent);font-size:1.3rem;line-height:1}
.agente-x{width:2rem;height:2rem;border-radius:8px;color:var(--muted);flex:none}
.agente-x:hover{background:var(--surface-2);color:var(--text)}
.agente-input{width:100%;background:var(--surface-2);border:1px solid var(--accent);border-radius:var(--r);padding:1rem;color:var(--text);font-family:inherit;font-size:.95rem;resize:vertical;box-shadow:0 0 0 3px rgba(41,195,214,.15)}
.agente-input::placeholder{color:var(--faint)}
.agente-input:focus{outline:none}
.agente-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.9rem}
.agente-chip{border:1px solid var(--border);background:var(--surface-2);color:var(--muted);border-radius:9999px;padding:.4rem .85rem;font-size:.82rem;transition:all var(--fast) var(--ease)}
.agente-chip:hover{color:var(--text);border-color:var(--border-2)}
.agente-results:not(:empty){margin-top:1rem;max-height:40vh;overflow:auto}
.agente-answer{background:rgba(41,195,214,.08);border:1px solid rgba(41,195,214,.22);border-radius:var(--r);padding:1rem;color:var(--text);line-height:1.55}
.agente-rec{display:flex;align-items:center;gap:.7rem;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface-2);margin-top:.5rem;transition:background var(--fast)}
.agente-rec:hover{background:var(--surface-3)}
.agente-rec .ai{color:var(--accent);flex:none}
.agente-rec b{font-weight:500}

/* ---------- Notificações (dropdown) ---------- */
.notif{position:relative}
.notif-drop{position:absolute;right:0;top:calc(100% + .6rem);width:24rem;max-width:92vw;background:var(--surface);border:1px solid var(--border-2);border-radius:var(--r);box-shadow:var(--shadow);z-index:60;overflow:hidden;animation:agepop .2s var(--ease)}
.notif-drop[hidden]{display:none}
.notif-head{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.1rem;border-bottom:1px solid var(--border)}
.notif-head b{font-size:1rem}
.notif-readall{color:var(--accent);font-size:.82rem;font-weight:500}
.notif-list{max-height:24rem;overflow:auto}
.notif-empty{padding:1.5rem 1.1rem;font-size:.9rem}
.notif-item{display:flex;gap:.7rem;align-items:flex-start;padding:.85rem 1.1rem;border-bottom:1px solid var(--border);transition:background var(--fast)}
.notif-item:hover{background:var(--surface-2)}
.notif-item.unread{background:rgba(41,195,214,.05)}
.notif-ic{flex:none;font-size:1.05rem;line-height:1.3}
.notif-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:.12rem}
.notif-body b{font-weight:600;font-size:.9rem}
.notif-body .nb{color:var(--muted);font-size:.82rem;line-height:1.35}
.notif-body .nt{color:var(--faint);font-size:.74rem;margin-top:.15rem}
.notif-dot{flex:none;width:.55rem;height:.55rem;border-radius:50%;background:var(--accent);margin-top:.4rem}
.notif-foot{display:block;text-align:center;padding:.9rem;font-weight:600;font-size:.88rem;border-top:1px solid var(--border)}
.notif-foot:hover{background:var(--surface-2)}

/* ---------- Menu mobile (hambúrguer) & App-Style Aside Offset Drawer ---------- */
.nav-toggle{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:2.5rem;
  height:2.5rem;
  border-radius:10px;
  border:1px solid var(--border);
  color:var(--text);
  background:rgba(255,255,255,.04);
  font-size:1.15rem;
  flex:none;
  cursor:pointer;
  transition:all .2s ease;
}
.nav-toggle-badge{
  position:absolute;
  top:5px;
  right:5px;
  width:9px;
  height:9px;
  background:var(--accent,#38bdf8);
  border-radius:50%;
  border:2px solid #07080c;
  box-shadow:0 0 8px var(--accent,#38bdf8);
  pointer-events:none;
}
.nav-toggle:hover{
  color:var(--accent);
  background:rgba(41,195,214,.12);
  border-color:rgba(41,195,214,.3);
  transform:scale(1.04);
}

/* Scroll Lock ao abrir qualquer Drawer no Mobile */
body.drawer-locked{
  overflow:hidden !important;
  touch-action:none;
}

/* Backdrop Overlay */
.app-drawer-overlay,
.course-drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(4,7,14,.8);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  z-index:99998 !important;
  opacity:0;
  visibility:hidden;
  transition:opacity .28s cubic-bezier(.4,0,.2,1), visibility .28s cubic-bezier(.4,0,.2,1);
}
.app-drawer-overlay.is-open,
.course-drawer-overlay.is-open{
  opacity:1;
  visibility:visible;
}

/* App Offset Aside Drawer (Estilo App Nativo) */
.app-drawer{
  position:fixed !important;
  top:0 !important;
  left:0 !important;
  bottom:0 !important;
  right:auto !important;
  margin:0 !important;
  border-radius:0 !important;
  width:min(86vw, 330px) !important;
  height:100vh !important;
  height:100dvh !important;
  max-height:100dvh !important;
  background:rgba(11,15,25,.98);
  -webkit-backdrop-filter:blur(24px);
  backdrop-filter:blur(24px);
  border-right:1px solid rgba(56,189,248,.25);
  box-shadow:20px 0 60px rgba(0,0,0,.85);
  z-index:99999 !important;
  display:flex;
  flex-direction:column;
  transform:translateX(-100%);
  transition:transform .3s cubic-bezier(.25,1,.5,1);
  overflow:hidden;
  box-sizing:border-box;
}
.app-drawer.is-open{
  transform:translateX(0) !important;
}

/* Drawer Header: Perfil do Usuário */
.app-drawer-header{
  padding:1.25rem 1.15rem;
  background:linear-gradient(180deg,rgba(30,41,59,.6) 0%,rgba(15,23,42,.4) 100%);
  border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:.75rem;
  flex-shrink:0;
}
.app-drawer-user{
  display:flex;
  align-items:center;
  gap:.85rem;
  min-width:0;
  flex:1;
}
.app-drawer-avatar{
  width:44px;
  height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,#0284c7,#38bdf8);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:1.1rem;
  flex-shrink:0;
  overflow:hidden;
  box-shadow:0 4px 14px rgba(56,189,248,.35);
  border:1.5px solid rgba(255,255,255,.2);
}
.app-drawer-avatar img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.app-drawer-user-info{
  display:flex;
  flex-direction:column;
  min-width:0;
  flex:1;
}
.app-drawer-name{
  font-size:.95rem;
  font-weight:700;
  color:#f8fafc;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.app-drawer-email{
  font-size:.76rem;
  color:#94a3b8;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-top:1px;
}
.app-drawer-badges{
  margin-top:.35rem;
  display:flex;
  gap:.35rem;
  flex-wrap:wrap;
}
.app-drawer-close{
  width:34px;
  height:34px;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:#94a3b8;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  cursor:pointer;
  transition:all .2s ease;
  flex-shrink:0;
}
.app-drawer-close:hover{
  background:rgba(239,68,68,.15);
  color:#f87171;
  border-color:rgba(239,68,68,.3);
}

/* Gamification no Drawer */
.app-drawer-gami{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:.65rem;
  padding:.75rem 1.15rem;
  background:rgba(15,23,42,.7);
  border-bottom:1px solid rgba(255,255,255,.06);
  flex-shrink:0;
}
.app-drawer-gami-item{
  display:flex;
  align-items:center;
  gap:.55rem;
  padding:.5rem .75rem;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);
  border-radius:10px;
  text-decoration:none;
  transition:all .2s ease;
}
.app-drawer-gami-item:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(56,189,248,.3);
}
.app-drawer-gami-ic{
  font-size:1.1rem;
}
.app-drawer-gami-val{
  font-size:.86rem;
  color:#f8fafc;
}
.app-drawer-gami-val span{
  font-size:.72rem;
  color:#94a3b8;
  display:block;
}

/* Drawer Body (Rolagem fluida) */
.app-drawer-body{
  flex:1;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  padding:.85rem .95rem;
  display:flex;
  flex-direction:column;
  gap:.2rem;
}
.app-drawer-section-title{
  font-size:.7rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:#64748b;
  padding:.45rem .65rem .25rem;
}
.app-drawer-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.75rem;
  padding:.7rem .85rem;
  border-radius:10px;
  color:#cbd5e1;
  font-size:.9rem;
  font-weight:500;
  text-decoration:none;
  transition:all .2s ease;
  background:transparent;
  border:none;
  width:100%;
  text-align:left;
  font-family:inherit;
  cursor:pointer;
}
.app-drawer-item:hover{
  background:rgba(255,255,255,.06);
  color:#f8fafc;
}
.app-drawer-item.active{
  background:rgba(56,189,248,.12);
  color:#38bdf8;
  font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.25);
}
.app-drawer-item-left{
  display:inline-flex;
  align-items:center;
  gap:.75rem;
  min-width:0;
}
.app-drawer-ic{
  font-size:1.05rem;
  width:20px;
  text-align:center;
  flex-shrink:0;
}
.app-drawer-item-right{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  flex-shrink:0;
}
.app-drawer-badge-pill{
  font-size:.68rem;
  font-weight:700;
  background:rgba(56,189,248,.18);
  color:#38bdf8;
  padding:2px 8px;
  border-radius:999px;
}
.app-drawer-caret{
  font-size:.75rem;
  color:#64748b;
  transition:transform .25s ease;
}

/* Accordion de Trilhas dentro do Drawer */
.app-drawer-accordion-wrap{
  display:flex;
  flex-direction:column;
  width:100%;
}
.app-drawer-sub-menu{
  display:none;
  flex-direction:column;
  gap:.25rem;
  padding:.35rem 0 .55rem .75rem;
  border-left:2px solid rgba(56,189,248,.25);
  margin-left:1.35rem;
  margin-block:.2rem;
}
.app-drawer-sub-menu.is-open{
  display:flex !important;
}
.app-drawer-sub-menu[hidden]{
  display:none !important;
}
.app-drawer-accordion-btn.is-open .app-drawer-caret{
  transform:rotate(180deg);
  color:var(--accent,#38bdf8);
}
.app-drawer-sub-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.6rem;
  padding:.55rem .75rem;
  border-radius:8px;
  font-size:.84rem;
  color:#94a3b8;
  text-decoration:none;
  transition:all .2s ease;
}
.app-drawer-sub-item:hover{
  background:rgba(255,255,255,.05);
  color:#fff;
}
.app-drawer-sub-item.highlight{
  color:#38bdf8;
  background:rgba(56,189,248,.08);
  font-weight:700;
}
.app-drawer-sub-ic{
  width:24px;
  height:24px;
  border-radius:6px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.7rem;
  flex-shrink:0;
}
.app-drawer-sub-title{
  flex:1;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.app-drawer-sub-count{
  font-size:.68rem;
  background:rgba(255,255,255,.06);
  padding:1px 6px;
  border-radius:999px;
  color:#94a3b8;
}

/* Drawer Footer */
.app-drawer-footer{
  padding:.95rem 1.15rem;
  background:rgba(15,23,42,.8);
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-shrink:0;
}
.app-drawer-logout{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  color:#f87171;
  font-size:.85rem;
  font-weight:600;
  text-decoration:none;
  padding:.4rem .7rem;
  border-radius:8px;
  background:rgba(239,68,68,.08);
  border:1px solid rgba(239,68,68,.2);
  transition:all .2s ease;
}
.app-drawer-logout:hover{
  background:rgba(239,68,68,.18);
  color:#fca5a5;
}
.app-drawer-version{
  font-size:.7rem;
  color:#64748b;
  font-weight:500;
}

@media(min-width:900px){
  .nav-toggle{display:none !important}
  .app-drawer,
  .app-drawer-overlay{display:none!important}
}

@media(max-width:899px){
  .top-actions > *:not(.nav-toggle){
    display:none !important;
  }
  .topbar-in{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
  }
}

/* ============================================================
   App Bottom Action Dock (Estilo App Mobile Nativo)
   ============================================================ */
.app-bottom-bar{
  display:none;
}

@media(max-width:899px){
  .app-bottom-bar{
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    z-index:800;
    height:3.9rem;
    background:rgba(8,12,22,.96);
    -webkit-backdrop-filter:blur(24px);
    backdrop-filter:blur(24px);
    border-top:1px solid rgba(56,189,248,.2);
    display:flex;
    align-items:center;
    justify-content:space-around;
    padding:0 .35rem;
    box-shadow:0 -10px 30px rgba(0,0,0,.75);
    padding-bottom:env(safe-area-inset-bottom, 0);
  }

  .app-bottom-item{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:.22rem;
    flex:1;
    height:100%;
    color:#94a3b8;
    background:transparent;
    border:none;
    text-decoration:none;
    font-size:.68rem;
    font-weight:600;
    font-family:inherit;
    cursor:pointer;
    transition:all .2s ease;
    user-select:none;
  }
  .app-bottom-item i{
    font-size:1.15rem;
    line-height:1;
    transition:transform .2s ease, color .2s ease;
  }
  .app-bottom-item:hover,
  .app-bottom-item.active{
    color:var(--accent,#38bdf8);
  }
  .app-bottom-item.active i{
    transform:translateY(-2px);
  }
  .app-bottom-ic-wrap{
    position:relative;
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }

  /* Botão Central Hero em Destaque (+ Novo Post / + Novo Tópico) */
  .app-bottom-item.app-bottom-main{
    position:relative;
    top:-.65rem;
    color:#fff;
  }
  .app-bottom-main-ic{
    width:3.15rem;
    height:3.15rem;
    border-radius:50%;
    background:linear-gradient(135deg, var(--accent,#38bdf8), #0284c7);
    color:#040914;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.35rem;
    font-weight:800;
    box-shadow:0 6px 20px rgba(56,189,248,.5), inset 0 1px 2px rgba(255,255,255,.6);
    border:3px solid #07090e;
    transition:transform .2s cubic-bezier(.34,1.56,.64,1), box-shadow .2s ease;
  }
  .app-bottom-item.app-bottom-main:active .app-bottom-main-ic{
    transform:scale(.92);
  }
  .app-bottom-item.app-bottom-main span{
    margin-top:.15rem;
    font-size:.66rem;
    color:var(--accent,#38bdf8);
    font-weight:700;
  }

  /* Adiciona espaçamento na base da página para não cobrir conteúdo */
  body:has(.app-bottom-bar) .container.page,
  body:has(.app-bottom-bar) .feed-page-wrap{
    padding-bottom:5.5rem !important;
  }
}

/* ---------- GAVETA DE AULAS NO MOBILE (aula.php Off-Canvas) ---------- */
.btn-mobile-course-toggle{
  display:none;
  align-items:center;
  gap:.45rem;
  background:linear-gradient(135deg,rgba(56,189,248,.15),rgba(2,132,199,.15));
  border:1px solid rgba(56,189,248,.35);
  color:#38bdf8;
  font-weight:700;
  font-size:.82rem;
  padding:.4rem .75rem;
  border-radius:8px;
}
.btn-mobile-course-toggle:hover{
  background:rgba(56,189,248,.25);
  color:#fff;
}
.aside-mobile-head{
  display:none;
  align-items:center;
  justify-content:space-between;
  padding:.95rem 1.15rem;
  background:rgba(15,23,42,.9);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.aside-mobile-close{
  width:32px;
  height:32px;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:#94a3b8;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

@media(max-width:899px){
  .btn-mobile-course-toggle{
    display:inline-flex;
  }
  .player-back-txt{
    display:none;
  }
  .hide-on-mobile{
    display:none !important;
  }
  .player-top{
    padding-inline:.85rem;
    gap:.6rem;
    height:3.4rem;
  }
  .player-lesson-counter{
    font-size:.78rem;
  }

  /* Transforma a barra lateral em Off-Canvas Drawer de Aulas no Mobile */
  .aside-list{
    position:fixed !important;
    top:0 !important;
    right:0 !important;
    bottom:0 !important;
    left:auto !important;
    margin:0 !important;
    border-radius:0 !important;
    width:min(90vw, 360px) !important;
    height:100vh !important;
    height:100dvh !important;
    max-height:100dvh !important;
    background:rgba(11,15,25,.98);
    -webkit-backdrop-filter:blur(24px);
    backdrop-filter:blur(24px);
    border-left:1px solid rgba(56,189,248,.25);
    box-shadow:-20px 0 60px rgba(0,0,0,.85);
    z-index:99999 !important;
    display:flex;
    flex-direction:column;
    transform:translateX(100%);
    transition:transform .3s cubic-bezier(.25,1,.5,1);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .aside-list.mobile-drawer-open{
    transform:translateX(0) !important;
  }
  .aside-mobile-head{
    display:flex;
    position:sticky;
    top:0;
    z-index:20;
  }
  .aside-list .h{
    position:sticky;
    top:53px;
    z-index:15;
    background:rgba(15,23,42,.95);
  }
  
  /* Ajustes gerais de conteúdo e responsividade das aulas */
  .player-wrap{
    padding:.85rem;
    gap:1rem;
  }
  .lesson-title{
    font-size:1.3rem;
    line-height:1.3;
  }
  .lesson-html-content{
    font-size:.95rem;
    line-height:1.65;
  }
  .lesson-html-content table{
    display:block;
    width:100%;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    border-collapse:collapse;
  }
  .lesson-html-content pre{
    max-width:100%;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    font-size:.82rem;
    padding:.85rem;
    border-radius:10px;
  }
  .concept-cards-grid,
  .concept-grid{
    grid-template-columns:1fr !important;
  }
}

/* ---------- Barra de rolagem premium (degradê azul → verde da marca) ---------- */
/* Vale para a barra geral (página) e para as barras internas.
   Exceção: as barras dos cards ficam intactas (bloco logo abaixo). */
*{scrollbar-width:thin;scrollbar-color:#29c3d6 transparent}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{
  background:linear-gradient(135deg,#4f7cff 0%,#29c3d6 50%,#33d69f 100%);
  border-radius:9999px;
  border:3px solid transparent;
  background-clip:padding-box;
}
::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(135deg,#5b86ff 0%,#33d0e4 50%,#3ee6ad 100%);
  background-clip:padding-box;
}
::-webkit-scrollbar-corner{background:transparent}

/* Não mexer nas barras dos cards: mantêm o estilo neutro anterior */
.card,.card *,.course,.course *,.netflix-card,.netflix-card *{scrollbar-color:var(--surface-3) transparent}
.card::-webkit-scrollbar-thumb,.card ::-webkit-scrollbar-thumb,
.course::-webkit-scrollbar-thumb,.course ::-webkit-scrollbar-thumb,
.netflix-card::-webkit-scrollbar-thumb,.netflix-card ::-webkit-scrollbar-thumb{
  background:var(--surface-3);border-radius:9999px;border:3px solid transparent;background-clip:padding-box;
}
.card::-webkit-scrollbar-thumb:hover,.card ::-webkit-scrollbar-thumb:hover,
.course::-webkit-scrollbar-thumb:hover,.course ::-webkit-scrollbar-thumb:hover,
.netflix-card::-webkit-scrollbar-thumb:hover,.netflix-card ::-webkit-scrollbar-thumb:hover{
  background:var(--border-2);background-clip:padding-box;
}

/* ---------- Fase 1: badge de plano, olho da senha, cartões de plano ---------- */
.plan-badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.66rem;font-weight:700;letter-spacing:.05em;padding:.28rem .6rem;border-radius:9999px;border:1px solid var(--border-2)}
.plan-badge.is-free{background:var(--surface-2);color:var(--muted)}
.plan-badge.is-pro{background:var(--amber);color:var(--amber-ink);border-color:transparent}

.pw-wrap{position:relative}
.pw-wrap .input{padding-right:3rem}
.pw-eye{position:absolute;top:50%;right:.4rem;transform:translateY(-50%);width:2.2rem;height:2.2rem;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.pw-eye:hover{color:var(--text);background:var(--surface-3)}

.plan-cards{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.plan-card{position:relative;cursor:pointer}
.plan-card input{position:absolute;opacity:0;inset:0;cursor:pointer}
.plan-card .pc-in{display:block;border:1px solid var(--border);background:var(--surface-2);border-radius:var(--r-sm);padding:.8rem .9rem;transition:border-color var(--fast),box-shadow var(--fast)}
.plan-card .pc-in b{display:block;font-size:.95rem}
.plan-card .pc-in small{color:var(--muted);font-size:.76rem;line-height:1.3;display:block;margin-top:.2rem}
.plan-card.sel .pc-in{border-color:var(--accent);box-shadow:0 0 0 3px rgba(41,195,214,.18)}
.plan-card input:focus-visible + .pc-in{border-color:var(--accent)}

/* ---------- Menu do avatar (dropdown da conta) ---------- */
.avatar-wrap{position:relative}
button.avatar{padding:0;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block}
.avatar-drop{position:absolute;top:calc(100% + .6rem);right:0;width:16.5rem;background:var(--surface);border:1px solid var(--border-2);border-radius:var(--r);box-shadow:var(--shadow);padding:.4rem;z-index:60}
.acct-head{display:flex;gap:.6rem;align-items:center;padding:.55rem .55rem .7rem;border-bottom:1px solid var(--border);margin-bottom:.35rem}
.acct-ava{width:2.4rem;height:2.4rem;border-radius:50%;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8rem;color:#04121a;flex:none;overflow:hidden}
.acct-ava img{width:100%;height:100%;object-fit:cover}
.acct-id{min-width:0}
.acct-id b{display:block;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-id .muted{display:block;font-size:.76rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.acct-item{display:flex;align-items:center;gap:.7rem;padding:.6rem .65rem;border-radius:var(--r-sm);color:var(--muted);font-size:.92rem}
.acct-item i{width:1.15rem;text-align:center;font-size:.95rem}
.acct-item:hover{background:var(--surface-2);color:var(--text)}
.acct-item.acct-danger:hover{color:var(--red)}
.acct-sep{height:1px;background:var(--border);margin:.35rem .2rem}

/* ---------- Gamificação: indicadores de coins e troféus ---------- */
.gami{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .6rem;border-radius:9999px;border:1px solid var(--border);color:var(--muted);font-size:.82rem;font-weight:700;font-variant-numeric:tabular-nums}
.gami:hover{color:var(--text);background:var(--surface-2)}
.gami .fa-coins{color:#f5c542}
.gami .fa-trophy{color:#f5c542}
@media(max-width:560px){.gami{padding:.3rem .45rem}}

/* ---------- Tags PRO e FREE nos cards de curso ---------- */
.course .cover .tag, .netflix-card .cover .tag{position:absolute;top:.75rem;right:.75rem;z-index:5;background:var(--green);color:#04231a;font-size:.62rem;font-weight:700;padding:.22rem .55rem;border-radius:6px}
.course .cover .tag.amber, .netflix-card .cover .tag.amber{background:var(--amber);color:var(--amber-ink)}
.course .cover .tag.pro, .netflix-card .cover .tag.pro{background:var(--amber);color:var(--amber-ink);box-shadow:0 2px 8px rgba(245,197,66,.35);font-weight:800;letter-spacing:.03em;border:none}
.course .cover .tag.free, .netflix-card .cover .tag.free{background:var(--green);color:#04291e;box-shadow:0 2px 8px rgba(51,214,159,.3);font-weight:800;letter-spacing:.03em;border:none}
.course .cover .tag-type, .netflix-card .cover .tag-type{position:absolute;top:.75rem;left:.75rem;z-index:5;background:rgba(8,9,13,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text);font-size:.62rem;font-weight:700;letter-spacing:.06em;padding:.22rem .55rem;border-radius:6px;border:1px solid rgba(255,255,255,.14)}

.course.is-locked, .netflix-card.is-locked{cursor:pointer}
.course.is-locked .cover::after, .netflix-card.is-locked .cover::after{content:"";position:absolute;inset:0;background:rgba(8,9,13,.2);pointer-events:none}
.course.is-locked:hover, .netflix-card.is-locked:hover{border-color:rgba(245,197,66,.5);box-shadow:0 12px 30px -15px rgba(245,197,66,.3)}

.course-price-hint{font-size:.74rem;display:inline-flex;align-items:center;gap:.35rem;margin-top:.45rem;padding:.2rem .5rem;border-radius:6px;background:var(--surface-2)}
.course-price-hint.text-green{color:var(--green);background:rgba(51,214,159,.1)}
.course-price-hint.text-amber{color:var(--amber);background:rgba(245,197,66,.12)}
.course-price-hint.text-cyan{color:var(--accent);background:rgba(41,195,214,.12)}

/* ---------- Barra de Busca e Filtros de Cursos ---------- */
.courses-toolbar{margin-top:1.5rem;display:flex;flex-direction:column;gap:1rem}
.courses-search-wrap{position:relative;width:100%;max-width:36rem}
.courses-search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.95rem;pointer-events:none}
.courses-search-input{width:100%;height:3rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:0 3rem 0 2.6rem;color:var(--text);font-family:inherit;font-size:.92rem;transition:border-color var(--fast),box-shadow var(--fast)}
.courses-search-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(41,195,214,.15)}
.courses-search-clear{position:absolute;right:.6rem;top:50%;transform:translateY(-50%);width:1.8rem;height:1.8rem;border-radius:6px;color:var(--muted);display:none;align-items:center;justify-content:center;background:var(--surface-2);cursor:pointer}
.courses-search-clear:hover{color:var(--text);background:var(--surface-3)}

.courses-filter-pills{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.courses-pill{padding:.45rem .9rem;border-radius:9999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-size:.82rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;transition:all var(--fast) var(--ease)}
.courses-pill:hover{color:var(--text);border-color:var(--border-2);background:var(--surface-2)}
.courses-pill.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);box-shadow:0 2px 10px rgba(41,195,214,.25)}
.courses-pill .badge-count{font-size:.7rem;padding:.1rem .35rem;border-radius:9999px;background:rgba(0,0,0,.15);font-variant-numeric:tabular-nums}
.courses-pill.active .badge-count{background:rgba(0,0,0,.25);color:var(--accent-ink)}

.courses-empty{text-align:center;padding:3.5rem 1.5rem;background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-lg);margin-top:1.5rem}
.courses-empty-ic{font-size:2.4rem;color:var(--faint);margin-bottom:.75rem}

/* ---------- Hub de Trilhas Estruturadas ---------- */
.tracks-hero{margin-bottom:1.5rem}
.tracks-filter-pills{
  display:flex;
  align-items:center;
  gap:.45rem;
  flex-wrap:nowrap;
  overflow-x:auto;
  margin-top:1.15rem;
  padding-bottom:.6rem;
  padding-inline:2px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.tracks-filter-pills::-webkit-scrollbar{display:none}

@media(min-width:900px){
  .tracks-filter-pills{
    flex-wrap:wrap;
    overflow-x:visible;
    gap:.55rem;
    padding-bottom:0;
  }
}

.track-pill{
  flex:none;
  white-space:nowrap;
  padding:.45rem .9rem;
  border-radius:9999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--muted);
  font-size:.82rem;
  font-weight:600;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  transition:all var(--fast) var(--ease);
  text-decoration:none;
}
.track-pill:hover{color:var(--text);border-color:var(--border-2);background:var(--surface-2)}
.track-pill.active{
  background:var(--accent);
  color:var(--accent-ink) !important;
  font-weight:800;
  border-color:var(--accent);
  box-shadow:0 2px 14px rgba(41,195,214,.35);
}
.track-pill.active i{color:var(--accent-ink) !important}
.track-pill .badge-count{font-size:.7rem;padding:.1rem .4rem;border-radius:9999px;background:rgba(255,255,255,.08);color:var(--muted);font-variant-numeric:tabular-nums}
.track-pill.active .badge-count{background:rgba(0,0,0,.22);color:var(--accent-ink) !important;font-weight:800}

.track-group-block{
  background:rgba(14,17,24,.5);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:1.6rem;
  margin-top:2rem;
  transition:border-color var(--fast), box-shadow var(--fast);
}
.track-group-block:hover{border-color:var(--border-2)}
.track-group-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  flex-wrap:wrap;
  padding-bottom:1.2rem;
  border-bottom:1px solid var(--border);
  margin-bottom:1.4rem;
}
.track-header-left{display:flex;align-items:center;gap:.9rem}
.track-header-ic{
  width:3.1rem;
  height:3.1rem;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.35rem;
  color:#fff;
  flex-shrink:0;
  box-shadow:0 6px 16px rgba(0,0,0,.35);
}
.track-header-info h2{font-size:1.25rem;font-weight:700;color:var(--text);margin:0;line-height:1.2}
.track-header-info p{font-size:.88rem;color:var(--muted);margin-top:.25rem;line-height:1.4;max-width:50rem}
.track-header-right{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.track-count-badge{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.35rem .75rem;
  border-radius:9999px;
  background:var(--surface-2);
  border:1px solid var(--border-2);
  font-size:.78rem;
  font-weight:700;
  color:var(--text);
}

@media(max-width:639px){
  .tracks-hero h1{font-size:1.6rem;line-height:1.15}
  .tracks-hero p{font-size:.88rem;line-height:1.5}
  .track-group-block{padding:1.1rem .9rem;margin-top:1.3rem;border-radius:14px}
  .track-group-header{
    flex-direction:column;
    align-items:flex-start;
    gap:.75rem;
    padding-bottom:.85rem;
    margin-bottom:1rem;
  }
  .track-header-left{width:100%;gap:.75rem}
  .track-header-ic{width:2.6rem;height:2.6rem;border-radius:10px;font-size:1.15rem}
  .track-header-info h2{font-size:1.12rem}
  .track-header-info p{font-size:.82rem}
  .track-header-right{width:100%;justify-content:flex-start}
}

/* ---------- Ferramentas (Developer Toolbox) ---------- */
.badge-filter{padding:.35rem .85rem;border-radius:9999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;transition:all var(--fast) var(--ease);font-size:.78rem;font-weight:600;display:inline-flex;align-items:center;gap:.35rem}
.badge-filter:hover{color:var(--text);border-color:var(--border-2);background:var(--surface-2)}
.badge-filter.active{background:var(--surface-3);color:var(--text);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}

.kpis.kpis-4{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:2rem}
@media(min-width:600px){.kpis.kpis-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.kpis.kpis-4{grid-template-columns:repeat(4,1fr)}}

.tools-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
@media(min-width:640px){.tools-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.tools-grid{grid-template-columns:repeat(3,1fr)}}

.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:1.35rem;display:flex;flex-direction:column;transition:transform var(--fast) var(--ease),border-color var(--fast),box-shadow var(--fast);position:relative}
.tool-card:hover{transform:translateY(-4px);border-color:rgba(41,195,214,.35);box-shadow:0 16px 36px -16px rgba(41,195,214,.2)}
.tool-head{display:flex;align-items:flex-start;gap:.85rem;margin-bottom:.85rem}
.tool-icon-wrap{width:2.8rem;height:2.8rem;border-radius:12px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex:none}
.tool-head-meta{flex:1;min-width:0}
.tool-cat-tag{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;display:inline-flex;align-items:center;gap:.3rem;margin-bottom:.15rem}
.tool-title{font-size:1.05rem;font-weight:700;color:var(--text);line-height:1.2;margin:0}
.tool-badge{font-size:.65rem;font-weight:700;letter-spacing:.04em;padding:.2rem .55rem;border-radius:6px;flex:none;text-transform:uppercase}
.tool-badge.badge-free{background:rgba(51,214,159,.15);color:var(--green);border:1px solid rgba(51,214,159,.3)}
.tool-badge.badge-freemium{background:rgba(41,195,214,.15);color:var(--accent);border:1px solid rgba(41,195,214,.3)}
.tool-badge.badge-opensource{background:rgba(245,197,66,.15);color:var(--amber);border:1px solid rgba(245,197,66,.3)}
.tool-desc{font-size:.88rem;color:var(--muted);line-height:1.5;flex:1;margin-bottom:1rem}
.tool-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:1.1rem}
.tool-tag{font-size:.72rem;padding:.15rem .5rem;border-radius:4px;background:var(--surface-2);color:var(--faint);border:1px solid var(--border)}
.tool-foot{margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end}
.tool-btn{width:100%;justify-content:space-between;font-size:.85rem;height:2.4rem}

/* ---------- Carrossel Netflix (Dashboard) ---------- */
.netflix-section{margin-top:2.5rem;position:relative}
.netflix-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:.75rem}
.netflix-carousel-wrap{position:relative}

.netflix-track{
  display:flex;
  gap:1.25rem;
  overflow-x:auto;
  scroll-behavior:smooth;
  scroll-snap-type:x mandatory;
  padding:.6rem .2rem 1.4rem;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.netflix-track::-webkit-scrollbar{display:none}

.netflix-card{
  flex:0 0 300px;
  min-width:300px;
  max-width:320px;
  min-height:320px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color var(--fast),box-shadow .22s var(--ease);
  position:relative;
  display:flex;
  flex-direction:column;
  text-decoration:none;
  cursor:pointer;
  user-select:none;
}
.netflix-card, .netflix-card *{cursor:pointer}
.netflix-card:hover{
  transform:translateY(-6px) scale(1.02);
  border-color:rgba(41,195,214,.4);
  box-shadow:0 18px 40px -15px rgba(41,195,214,.25);
  z-index:10;
}
.netflix-card.is-featured-card:hover{
  border-color:rgba(245,197,66,.45);
  box-shadow:0 18px 40px -15px rgba(245,197,66,.25);
}

.netflix-card .cover{
  position:relative;
  aspect-ratio:16/10;
  min-height:165px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:2.5rem 1rem 1.25rem;
}
.netflix-card .cover .ct{
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:.02em;
  text-align:center;
  text-transform:uppercase;
  color:#fff;
  text-shadow:0 2px 20px rgba(0,0,0,.6);
  line-height:1.25;
  max-width:92%;
  padding:0 .35rem;
  z-index:1;
  overflow-wrap:break-word;
}

.netflix-card .cover .play-overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transition:opacity var(--fast) var(--ease);
  z-index:4;
}
.netflix-card:hover .cover .play-overlay{opacity:1}
.netflix-card .play-btn-circle{
  width:3.2rem;
  height:3.2rem;
  border-radius:50%;
  background:var(--accent);
  color:var(--accent-ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  box-shadow:0 6px 20px rgba(0,0,0,.4);
  transform:scale(.85);
  transition:transform var(--fast) var(--ease);
}
.netflix-card:hover .play-btn-circle{transform:scale(1)}

.netflix-card .body{
  padding:1.2rem 1.2rem 1.35rem;
  flex:1;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.netflix-card .body .t{
  font-size:1rem;
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  display:flex;
  align-items:center;
  gap:.55rem;
}
.netflix-card .body .type{
  font-size:.82rem;
  color:var(--muted);
  margin-top:.15rem;
}
.netflix-card .body .progress-info{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:.8rem;
  color:var(--muted);
  margin-top:.75rem;
}

.netflix-btn{
  position:absolute;
  top:calc(50% - 15px);
  transform:translateY(-50%);
  width:2.8rem;
  height:2.8rem;
  border-radius:50%;
  background:rgba(15,17,22,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border-2);
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:20;
  cursor:pointer;
  transition:all var(--fast) var(--ease);
  box-shadow:0 8px 24px rgba(0,0,0,.7);
  font-size:1.1rem;
}
.netflix-btn.prev{left:-.9rem}
.netflix-btn.next{right:-.9rem}
.netflix-btn:hover{
  background:var(--accent);
  color:var(--accent-ink);
  border-color:var(--accent);
  transform:translateY(-50%) scale(1.1);
}
.netflix-btn.disabled, .netflix-btn[disabled]{
  opacity:0;
  pointer-events:none;
}

@media(max-width:768px){
  .netflix-card{flex:0 0 240px;min-width:240px}
  .netflix-btn{display:none}
}

.netflix-empty{
  background:var(--surface);
  border:1px dashed var(--border);
  border-radius:var(--r);
  padding:2rem;
  display:flex;
  align-items:center;
  gap:1.5rem;
}
.netflix-empty-ic{
  width:3.2rem;
  height:3.2rem;
  border-radius:50%;
  background:rgba(41,195,214,.1);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.4rem;
  flex:none;
}

/* ---------- Carrossel do Feed Social (Dashboard) ---------- */
.feed-netflix-card .cover {
  background-size: cover !important;
  background-position: center !important;
  position: relative;
  overflow: hidden;
}
.feed-netflix-card .cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,10,15,.4) 0%, rgba(8,10,15,.1) 35%, rgba(8,10,15,.85) 100%);
  z-index: 1;
  transition: opacity .2s ease;
}
.feed-netflix-card:hover .cover::before {
  opacity: .75;
}
.feed-netflix-card .cover .tag-type,
.feed-netflix-card .cover .tag,
.feed-netflix-card .cover .ct {
  z-index: 2;
}
.feed-netflix-card:hover {
  border-color: rgba(41,195,214,.45);
  box-shadow: 0 18px 40px -15px rgba(41,195,214,.3);
}


/* ---------- Cursos Despublicados (Monocromático / Em Breve) ---------- */
.course.is-unpublished,
.netflix-card.is-unpublished {
  filter: grayscale(1);
  opacity: .75;
  transition: filter var(--fast) var(--ease), opacity var(--fast) var(--ease), transform var(--fast) var(--ease);
}
.course.is-unpublished:hover,
.netflix-card.is-unpublished:hover {
  filter: grayscale(0.55);
  opacity: .95;
}

/* Badge Em Breve */
.tag.soon, .netflix-card .cover .tag.soon {
  background: #27272a;
  color: #e4e4e7;
  border: 1px solid rgba(255,255,255,.2);
  font-weight: 700;
  letter-spacing: .04em;
}

/* Toggle Switch no Admin */
.btn-toggle-pub {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .28rem .65rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.btn-toggle-pub:hover {
  border-color: var(--border-2);
  color: var(--text);
}
.btn-toggle-pub.is-pub {
  border-color: rgba(51, 214, 159, .4);
  background: rgba(51, 214, 159, .12);
  color: var(--green);
}
.btn-toggle-pub.is-unpub {
  border-color: rgba(245, 197, 66, .35);
  background: rgba(245, 197, 66, .08);
  color: var(--amber);
}
.pub-switch {
  width: 1.6rem;
  height: .95rem;
  border-radius: 9999px;
  background: rgba(255,255,255,.18);
  display: inline-flex;
  align-items: center;
  padding: 1.5px;
  transition: background .2s var(--ease);
}
.btn-toggle-pub.is-pub .pub-switch {
  background: var(--green);
}
.pub-knob {
  width: .72rem;
  height: .72rem;
  border-radius: 50%;
  background: #fff;
  transition: transform .2s var(--ease);
}
.btn-toggle-pub.is-pub .pub-knob {
  transform: translateX(.65rem);
}

/* ============================================================
   Modal de Perfil Público de Membro (Comunidade)
   ============================================================ */
.member-profile-popup {
  padding: 1.6rem !important;
  border-radius: var(--r-lg) !important;
  max-width: 480px !important;
  width: 94% !important;
  border: 1px solid var(--border-2) !important;
  background: radial-gradient(100% 120% at 0% 0%, rgba(41,195,214,.07), transparent 60%), #0f1116 !important;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.85) !important;
}
.member-profile-popup .swal2-close {
  color: var(--muted) !important;
  font-size: 1.4rem !important;
  top: 12px !important;
  right: 14px !important;
}
.member-profile-popup .swal2-close:hover {
  color: var(--text) !important;
}
.member-modal-wrap {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  color: var(--text);
}
.member-modal-top {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border);
}
.member-modal-ava {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  flex: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 50%, var(--border));
}
.member-modal-ava img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.member-modal-ava.initials {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  font-weight: 700;
}
.member-modal-identity {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-width: 0;
}
.member-modal-name {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--text);
  word-break: break-word;
}
.member-modal-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: var(--muted);
}
.member-modal-since {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .76rem;
  color: var(--faint);
}
.member-modal-section {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.member-modal-label {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .35rem;
}
.member-modal-bio {
  font-size: .92rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--surface-2);
  padding: .85rem 1rem;
  border-radius: var(--r);
  border: 1px solid var(--border);
  word-break: break-word;
}
.member-modal-bio.empty {
  color: var(--faint);
  font-style: italic;
  font-size: .86rem;
}
.member-modal-socials {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  align-items: center;
}
/* Redes sociais: só o ícone, em branco, numa bolinha com a cor da marca */
.member-modal-btn {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.15rem;
  text-decoration: none;
  border: 1px solid transparent;
  box-shadow: 0 6px 16px -8px rgba(0,0,0,.7);
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease), filter var(--fast) var(--ease);
}
.member-modal-btn i { color: #fff; }
.member-modal-btn:hover { transform: translateY(-2px); filter: brightness(1.12); color: #fff; }
.member-modal-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.member-modal-btn.linkedin  { background: #0a66c2; }
.member-modal-btn.linkedin:hover  { box-shadow: 0 8px 20px -6px rgba(10,102,194,.7); }
.member-modal-btn.instagram { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285aeb 90%); }
.member-modal-btn.instagram:hover { box-shadow: 0 8px 20px -6px rgba(214,36,159,.7); }
.member-modal-btn.youtube   { background: #ff0000; }
.member-modal-btn.youtube:hover   { box-shadow: 0 8px 20px -6px rgba(255,0,0,.6); }
.member-modal-btn.github    { background: #24292f; border-color: rgba(255,255,255,.18); }
.member-modal-btn.github:hover    { box-shadow: 0 8px 20px -6px rgba(255,255,255,.25); }
.member-modal-nosocial {
  font-size: .84rem;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem 0;
}
.fx-author-name {
  transition: color var(--fast) var(--ease);
}
.fx-author-name:hover {
  color: var(--accent);
  text-decoration: underline;
}
.fx-ava.fx-user-trigger {
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}
.fx-ava.fx-user-trigger:hover {
  transform: scale(1.06);
  box-shadow: 0 0 0 3px var(--accent);
}

/* ============================================================
   Terminal & Shell UI Component (Design Realista Linux / Bash)
   ============================================================ */
.terminal-window {
  background: #080c14;
  border: 1px solid #1e293b;
  border-radius: 10px;
  margin: 1.25rem 0;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.45);
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;
}
.terminal-topbar {
  background: #0f172a;
  padding: .5rem .85rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.terminal-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}
.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.terminal-dot.red { background: #ef4444; box-shadow: 0 0 6px rgba(239, 68, 68, 0.4); }
.terminal-dot.yellow { background: #f59e0b; box-shadow: 0 0 6px rgba(245, 158, 11, 0.4); }
.terminal-dot.green { background: #10b981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.4); }

.terminal-title {
  font-size: .78rem;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: .02em;
  flex: 1;
  text-align: center;
  margin-right: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
}
.terminal-body {
  padding: 1rem 1.2rem;
  background: #040711;
  color: #e2e8f0;
  font-size: .88rem;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}
.terminal-body code {
  font-family: inherit;
  font-size: inherit;
  background: transparent;
  padding: 0;
  border: 0;
  color: inherit;
}
.t-prompt {
  color: #38bdf8;
  font-weight: 700;
  user-select: none;
}
.t-user {
  color: #4ade80;
  font-weight: 700;
}
.t-path {
  color: #818cf8;
  font-weight: 700;
}
.t-cmd {
  color: #f8fafc;
  font-weight: 700;
}
.t-flag {
  color: #38bdf8;
}
.t-arg {
  color: #fcd34d;
}
.t-out {
  color: #94a3b8;
}
.t-comment {
  color: #64748b;
  font-style: italic;
}
.t-success {
  color: #4ade80;
  font-weight: 600;
}
.t-warn {
  color: #fbbf24;
  font-weight: 600;
}
.t-error {
  color: #f87171;
  font-weight: 600;
}

/* ============================================================
   Figuras e Diagramas Ilustrativos das Aulas
   ============================================================ */
.lesson-figure {
  margin: 1.5rem 0;
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  text-align: center;
}
.lesson-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.lesson-figure figcaption {
  padding: .75rem 1rem;
  font-size: .84rem;
  color: #94a3b8;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 500;
}
.lesson-figure figcaption i {
  color: var(--accent, #38bdf8);
}

/* ============================================================
   Componentes Interativos de Aprendizado (Modelo 3 Interativo)
   ============================================================ */
.interactive-widget {
  background: #090d16;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.75rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.interactive-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.25rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.interactive-header h3 {
  margin: 0;
  font-size: 1.15rem;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.interactive-header h3 i {
  color: #38bdf8;
}
.interactive-badge {
  font-size: .7rem;
  font-weight: 700;
  padding: .2rem .55rem;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* Teclas KBD Estilizadas */
kbd, .kbd-key {
  display: inline-block;
  padding: .2rem .45rem;
  font-size: .78rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  line-height: 1;
  color: #f8fafc;
  background: #1e293b;
  border: 1px solid #334155;
  border-bottom: 2px solid #475569;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin: 0 2px;
}

/* Filtros de Pílulas */
.widget-pills {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.widget-pill-btn {
  background: #0f172a;
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: .4rem .85rem;
  border-radius: 9999px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.widget-pill-btn:hover {
  background: #1e293b;
  color: #f8fafc;
  border-color: rgba(255, 255, 255, 0.2);
}
.widget-pill-btn.active {
  background: #2563eb;
  color: #ffffff;
  border-color: #3b82f6;
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
}

/* Lista e Tabela de Atalhos */
.shortcut-search {
  width: 100%;
  padding: .65rem 1rem;
  border-radius: 8px;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f8fafc;
  font-size: .9rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color .2s;
}
.shortcut-search:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .75rem;
  max-height: 420px;
  overflow-y: auto;
  padding-right: .3rem;
}
.shortcut-item {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: .75rem .9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  transition: transform .15s, border-color .15s;
}
.shortcut-item:hover {
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
}
.shortcut-desc {
  font-size: .84rem;
  color: #cbd5e1;
  font-weight: 500;
}
.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

/* Grade de Extensões */
.ext-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1rem;
}
.ext-card {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transition: all .2s;
}
.ext-card:hover {
  border-color: #38bdf8;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}
.ext-top {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.ext-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #38bdf8;
  flex-shrink: 0;
}
.ext-title {
  font-size: .95rem;
  font-weight: 700;
  color: #f8fafc;
  margin: 0;
}
.ext-author {
  font-size: .75rem;
  color: #94a3b8;
}
.ext-desc {
  font-size: .82rem;
  color: #cbd5e1;
  line-height: 1.45;
  margin: 0;
  flex: 1;
}
.ext-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: .6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: .78rem;
}

/* Builder de settings.json */
.builder-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media(max-width: 768px) {
  .builder-wrap { grid-template-columns: 1fr; }
}
.toggle-group {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0f172a;
  padding: .65rem .85rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.toggle-label {
  font-size: .84rem;
  color: #e2e8f0;
  font-weight: 500;
}
.toggle-sub {
  font-size: .72rem;
  color: #94a3b8;
  display: block;
}
.switch-input {
  appearance: none;
  width: 38px;
  height: 22px;
  background: #334155;
  border-radius: 9999px;
  position: relative;
  cursor: pointer;
  outline: none;
  transition: background .2s;
}
.switch-input::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
.switch-input:checked {
  background: #10b981;
}
.switch-input:checked::after {
  transform: translateX(16px);
}

/* ========================================================
   ESTILOS DE INTERATIVIDADE - ESTRUTURAS DE DADOS (DSA)
   ======================================================== */

/* 1. Calculadora Big-O */
.bigo-calc {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.bigo-presets {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}
.bigo-chip {
  padding: .35rem .75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  font-size: .8rem;
  cursor: pointer;
  transition: all .2s;
}
.bigo-chip:hover, .bigo-chip.active {
  background: #0284c7;
  color: #fff;
  border-color: #38bdf8;
}
.bigo-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.bigo-metric-card {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}
.bigo-metric-val {
  font-size: 1.35rem;
  font-weight: 700;
  font-family: var(--mono);
  margin-top: .35rem;
}
.bigo-gauge-wrap {
  background: #090d16;
  border-radius: 8px;
  height: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}
.bigo-gauge-bar {
  height: 100%;
  width: 0%;
  transition: width .3s ease, background-color .3s ease;
  border-radius: 8px;
}

/* 2. Simulador de Pilha (Stack LIFO) */
.stack-visualizer {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
}
@media(max-width: 768px) {
  .stack-visualizer { grid-template-columns: 1fr; }
}
.stack-shaft {
  background: #090d16;
  border: 2px solid #334155;
  border-top: none;
  border-radius: 0 0 12px 12px;
  min-height: 260px;
  max-height: 260px;
  display: flex;
  flex-direction: column-reverse;
  padding: .5rem;
  gap: .4rem;
  overflow-y: auto;
  box-shadow: inset 0 -10px 20px rgba(0,0,0,0.5);
}
.stack-block {
  background: linear-gradient(135deg, #1e3a8a, #0284c7);
  color: #fff;
  padding: .55rem .75rem;
  border-radius: 6px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: .85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: stackPush .25s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.stack-block.top-item {
  border-color: #f59e0b;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.35);
}
@keyframes stackPush {
  from { transform: translateY(-40px) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.stack-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stack-log {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: .75rem 1rem;
  font-family: var(--mono);
  font-size: .8rem;
  color: #38bdf8;
  min-height: 80px;
}

/* 3. Simulador de Busca Binária (Binary Search) */
.bsearch-array {
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  padding: 1rem 0;
  justify-content: center;
  flex-wrap: wrap;
}
.bsearch-cell {
  width: 48px;
  height: 58px;
  background: #0f172a;
  border: 2px solid #334155;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: #f8fafc;
  position: relative;
  transition: all .25s ease;
}
.bsearch-cell .cell-idx {
  font-size: .62rem;
  color: #64748b;
  position: absolute;
  top: 3px;
}
.bsearch-cell.dimmed {
  opacity: .25;
  border-color: #1e293b;
  background: #020617;
}
.bsearch-cell.active-mid {
  border-color: #a855f7;
  background: rgba(168, 85, 247, 0.2);
  color: #f3e8ff;
  box-shadow: 0 0 14px rgba(168, 85, 247, 0.4);
  transform: translateY(-4px);
}
.bsearch-cell.target-found {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.25);
  color: #6ee7b7;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.5);
  transform: translateY(-6px) scale(1.08);
}
.bsearch-tag {
  position: absolute;
  bottom: -18px;
  font-size: .6rem;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
}
.bsearch-tag.low { background: #0284c7; color: #fff; }
.bsearch-tag.high { background: #ea580c; color: #fff; }
.bsearch-tag.mid { background: #9333ea; color: #fff; }

/* ========================================================
   ESTILOS DE INTERATIVIDADE - APIS REST & POSTMAN
   ======================================================== */

/* 1. Inspetor de Status Codes */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .6rem;
  margin-top: 1rem;
}
.status-card-btn {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: .6rem .8rem;
  text-align: left;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.status-card-btn:hover, .status-card-btn.active {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(41, 195, 214, 0.08);
}
.status-code-num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
}
.status-code-num.c2xx { color: #10b981; }
.status-code-num.c3xx { color: #06b6d4; }
.status-code-num.c4xx { color: #f59e0b; }
.status-code-num.c5xx { color: #ef4444; }

.status-code-name {
  font-size: .75rem;
  color: #94a3b8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.status-detail-box {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1.25rem;
  margin-top: 1rem;
}

/* 2. Mini Postman REST Client Simulator */
.postman-sim {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.postman-bar {
  display: flex;
  gap: .5rem;
  background: #090d16;
  padding: .5rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.postman-method-select {
  background: #1e293b;
  color: #38bdf8;
  font-family: var(--mono);
  font-weight: 700;
  font-size: .85rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: .45rem .75rem;
  cursor: pointer;
  outline: none;
}
.postman-url-input {
  flex: 1;
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: #f8fafc;
  font-family: var(--mono);
  font-size: .85rem;
  padding: .45rem .85rem;
  outline: none;
}
.postman-url-input:focus {
  border-color: #38bdf8;
}
.postman-send-btn {
  background: #0284c7;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: .85rem;
  padding: .45rem 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: all .2s;
}
.postman-send-btn:hover {
  background: #0369a1;
  transform: scale(1.02);
}
.postman-response-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  padding: .6rem .85rem;
  background: #0f172a;
  border-radius: 8px 8px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: none;
}
.postman-meta {
  display: flex;
  gap: 1rem;
  font-size: .78rem;
  font-family: var(--mono);
  color: #94a3b8;
}
.postman-badge {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.postman-badge.status-200 { background: #065f46; color: #6ee7b7; }
.postman-badge.status-201 { background: #065f46; color: #6ee7b7; }
.postman-badge.status-400 { background: #713f12; color: #fde047; }
.postman-badge.status-401 { background: #7f1d1d; color: #fca5a5; }
.postman-badge.status-404 { background: #7f1d1d; color: #fca5a5; }
.postman-badge.status-500 { background: #831843; color: #fbcfe8; }

.postman-body-preview {
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0 0 8px 8px;
  padding: 1rem;
  font-family: var(--mono);
  font-size: .82rem;
  color: #cbd5e1;
  max-height: 280px;
  overflow-y: auto;
  white-space: pre;
}

/* ========================================================
   ESTILOS DE INTERATIVIDADE - VIBE CODING SAAS COM IA
   ======================================================== */

/* 1. Streaming Playground */
.stream-box {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stream-output {
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 1rem;
  min-height: 120px;
  max-height: 250px;
  overflow-y: auto;
  font-family: var(--font);
  font-size: .9rem;
  line-height: 1.6;
  color: #f1f5f9;
  white-space: pre-wrap;
}
.stream-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: #38bdf8;
  vertical-align: middle;
  animation: blinkCursor .8s infinite;
  margin-left: 2px;
}
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 2. Webhook Event Simulator */
.webhook-sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media(max-width: 768px) {
  .webhook-sim-grid { grid-template-columns: 1fr; }
}
.webhook-event-btn {
  display: flex;
  align-items: center;
  gap: .65rem;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: .75rem 1rem;
  color: #cbd5e1;
  font-family: var(--mono);
  font-size: .8rem;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all .2s;
}
.webhook-event-btn:hover, .webhook-event-btn.active {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.12);
  color: #fff;
}

/* ========================================================
   ESTILOS DE INTERATIVIDADE - DESIGN RESPONSIVO
   ======================================================== */

/* 1. Conversor de Unidades CSS */
.units-calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}
.unit-card {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}
.unit-val {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #38bdf8;
  margin-top: .35rem;
}
.unit-label {
  font-size: .75rem;
  color: #94a3b8;
  text-transform: uppercase;
  font-weight: 600;
}

/* 2. Simulador de Viewport */
.viewport-frame-wrapper {
  background: #020617;
  border: 2px solid #334155;
  border-radius: 12px;
  padding: .75rem;
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.viewport-frame {
  background: #090d16;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 1rem;
  transition: width .3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  max-width: 100%;
}
.mock-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: .75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1rem;
}
.mock-grid {
  display: grid;
  gap: .75rem;
  transition: all .3s ease;
}
.mock-card {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: .75rem;
}









/* ============================================================
   Dashboard · Hero 2/3 + Card da Comunidade 1/3 (raio degradê)
   ============================================================ */
.welcome-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;align-items:stretch}
@media(min-width:960px){.welcome-grid{grid-template-columns:2fr 1fr}}
.welcome-grid .welcome{height:100%;margin:0}

/* --- Card com borda de "raio" degradê girando (azul→verde) --- */
.community-spark{
  position:relative;
  border-radius:var(--r-lg);
  padding:2px;                 /* espessura do raio */
  overflow:hidden;
  isolation:isolate;
  height:100%;
  background:rgba(255,255,255,.08);           /* borda estática sutil */
  box-shadow:0 0 40px -10px rgba(41,195,214,.35);
}
.community-spark::before{        /* o raio (comet) que corre pela borda */
  content:"";
  position:absolute;
  inset:-60%;                    /* maior que o card p/ cobrir os cantos ao girar */
  background:conic-gradient(from 0deg,
    rgba(79,124,255,0) 0deg,
    rgba(79,124,255,0) 232deg,
    #4f7cff 288deg,
    #29c3d6 320deg,
    #33d69f 348deg,
    rgba(51,214,159,0) 360deg);
  animation:cs-spin 3.4s linear infinite;
  z-index:0;
  pointer-events:none;
}
@keyframes cs-spin{to{transform:rotate(1turn)}}

.community-spark-inner{
  position:relative;
  z-index:1;
  height:100%;
  border-radius:calc(var(--r-lg) - 2px);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(41,195,214,.10), transparent 60%),
    var(--surface);
  padding:1.5rem 1.35rem 1.4rem;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:.35rem;
}
.community-spark .eyebrow{justify-content:center}
.cs-title{font-size:1.35rem;font-weight:800;letter-spacing:-.01em;line-height:1.2;margin:.1rem 0 .2rem}
.cs-title span{color:var(--accent)}
.community-spark .cnet{max-width:16.5rem;width:100%;margin:.2rem auto .8rem}
.cs-cta{margin-top:auto;width:100%}

@media (prefers-reduced-motion: reduce){.community-spark::before{animation:none}}
@media (max-width:600px){.community-spark .cnet{max-width:15rem}}

/* --- Constelação da comunidade (portada da landing; tokens do app) --- */
.cnet{position:relative;width:100%;max-width:24rem;margin-inline:auto;aspect-ratio:1/1;isolation:isolate}
.cnet-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.cnet-nodes{position:absolute;inset:0;z-index:1}
.cnode{position:absolute;left:50%;top:50%;display:flex;flex-direction:column;align-items:center;gap:.4rem;transform:translate(-50%,-50%);cursor:pointer;-webkit-user-select:none;user-select:none}
.cnode-dot{--c:var(--accent);position:relative;display:grid;place-items:center;width:2.55rem;height:2.55rem;border-radius:50%;color:var(--c);font-size:1.02rem;background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.10),transparent 60%),rgba(9,12,24,.72);border:1px solid color-mix(in srgb,var(--c) 45%,transparent);box-shadow:0 6px 18px rgba(0,0,0,.45),inset 0 0 12px color-mix(in srgb,var(--c) 12%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:box-shadow .35s var(--ease),border-color .35s var(--ease)}
.cnode-hub .cnode-dot{--c:var(--accent);width:3.9rem;height:3.9rem;font-size:1.45rem;color:#eaf1ff;background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.18),transparent 60%),linear-gradient(160deg,color-mix(in srgb,var(--accent) 34%,#0a0f1f),#070a16);border-color:color-mix(in srgb,var(--accent) 60%,transparent);box-shadow:0 0 34px color-mix(in srgb,var(--accent) 45%,transparent),0 10px 26px rgba(0,0,0,.55),inset 0 0 18px color-mix(in srgb,var(--accent) 22%,transparent)}
.cnode-hub .cnode-label{font-size:.72rem;font-weight:600;color:var(--text);opacity:1}
.cnode-hub .cnode-dot::after{content:"";position:absolute;inset:-.5rem;border-radius:50%;border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);animation:cnet-halo 3.4s var(--ease) infinite}
@keyframes cnet-halo{0%{transform:scale(.8);opacity:.7}70%{transform:scale(1.45);opacity:0}100%{transform:scale(1.45);opacity:0}}
.cnode-label{font-size:.64rem;font-weight:500;letter-spacing:.01em;color:var(--muted);white-space:nowrap;opacity:0;transform:translateY(-.15rem);transition:opacity .3s var(--ease),transform .3s var(--ease);pointer-events:none}
.cnode.is-active{z-index:3}
.cnode.is-active .cnode-dot{border-color:color-mix(in srgb,var(--c) 90%,transparent);box-shadow:0 0 26px color-mix(in srgb,var(--c) 60%,transparent),0 8px 22px rgba(0,0,0,.5),inset 0 0 16px color-mix(in srgb,var(--c) 26%,transparent)}
.cnode.is-active .cnode-label{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){.cnode-hub .cnode-dot::after{animation:none}}

/* ---------- Botão Voltar ao Topo (Smooth Back to Top) ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(15, 17, 24, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(41, 195, 214, 0.35);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  box-shadow: 0 10px 28px -6px rgba(0, 0, 0, 0.7), 0 0 16px rgba(41, 195, 214, 0.2);
  cursor: pointer;
  z-index: 95;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: all .28s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.back-to-top:hover {
  background: var(--accent);
  color: #041217;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 14px 32px -4px rgba(41, 195, 214, 0.45);
}
.back-to-top:active {
  transform: translateY(-1px) scale(0.98);
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
@media (max-width: 640px) {
  .back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
    font-size: .95rem;
    border-radius: 10px;
  }
}

/* ============================================================
   Aprend — Modal Universal de Políticas, Termos e LGPD
   ============================================================ */
.legal-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(4, 6, 11, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 1;
  visibility: visible;
  transition: opacity .25s ease, visibility .25s ease;
}
.legal-modal-overlay[hidden] {
  display: none !important;
  opacity: 0;
  visibility: hidden;
}
.legal-modal-dialog {
  position: relative;
  z-index: 100001;
  width: min(920px, 96vw);
  max-height: 90vh;
  height: auto;
  background: #0d111a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.92), 0 0 0 1px rgba(41, 195, 214, 0.2);
  animation: legalModalPop .28s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes legalModalPop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Modal Head */
.legal-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.6rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.legal-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: .85rem;
}
.legal-modal-icon-badge {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(41, 195, 214, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(41, 195, 214, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.legal-modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
  line-height: 1.25;
}
.legal-modal-sub {
  font-size: .82rem;
  color: var(--muted);
  margin-top: .15rem;
}
.legal-modal-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.legal-btn-print,
.legal-modal-close {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  cursor: pointer;
  transition: all .18s ease;
}
.legal-btn-print:hover {
  background: rgba(41, 195, 214, 0.15);
  border-color: rgba(41, 195, 214, 0.4);
  color: var(--accent);
}
.legal-modal-close:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* Tabs */
.legal-modal-tabs {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.6rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow-x: auto;
  scrollbar-width: none;
}
.legal-modal-tabs::-webkit-scrollbar {
  display: none;
}
.legal-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .95rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all .18s ease;
}
.legal-tab-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.legal-tab-btn.active {
  background: rgba(41, 195, 214, 0.14);
  border-color: rgba(41, 195, 214, 0.4);
  color: #fff;
  box-shadow: 0 0 16px rgba(41, 195, 214, 0.18);
}
.legal-tab-btn.active i {
  color: var(--accent);
}
.legal-tab-badge {
  font-size: .66rem;
  padding: .12rem .42rem;
  border-radius: 9999px;
  background: rgba(245, 197, 66, 0.2);
  border: 1px solid rgba(245, 197, 66, 0.4);
  color: var(--amber);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.legal-tab-badge.lgpd {
  background: rgba(51, 214, 159, 0.2);
  border-color: rgba(51, 214, 159, 0.4);
  color: var(--green);
}

/* Internal Search Bar */
.legal-modal-search-wrap {
  position: relative;
  padding: .65rem 1.6rem;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.legal-modal-search-wrap .search-ic {
  position: absolute;
  left: 2.45rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: .88rem;
  pointer-events: none;
}
.legal-modal-search-input {
  width: 100%;
  height: 2.4rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0 1rem 0 2.4rem;
  color: #fff;
  font-size: .85rem;
  transition: all .2s ease;
}
.legal-modal-search-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(41, 195, 214, 0.15);
}

/* Modal Body / Panels */
.legal-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.8rem;
  scrollbar-width: thin;
}
.legal-tab-panel {
  display: none;
}
.legal-tab-panel.active {
  display: block;
  animation: legalPanelFade .22s ease;
}
@keyframes legalPanelFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.legal-panel-header {
  background: linear-gradient(135deg, rgba(41, 195, 214, 0.07), rgba(99, 102, 241, 0.05));
  border: 1px solid rgba(41, 195, 214, 0.18);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.5rem;
}
.legal-panel-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  flex-wrap: wrap;
  margin-bottom: .6rem;
}
.legal-panel-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .88rem;
  font-weight: 800;
  color: #fff;
}
.legal-panel-badge i {
  color: var(--accent);
}
.legal-panel-date {
  font-size: .78rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.legal-panel-summary {
  font-size: .9rem;
  color: #cbd5e1;
  line-height: 1.55;
  margin: 0;
}

/* Section Items */
.legal-panel-sections {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}
.legal-section-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  transition: all .2s ease;
}
.legal-section-item:hover {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(41, 195, 214, 0.22);
}
.legal-section-head {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
}
.legal-section-num {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 8px;
  background: rgba(41, 195, 214, 0.12);
  border: 1px solid rgba(41, 195, 214, 0.3);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.legal-section-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #f8fafc;
  margin: 0;
  line-height: 1.35;
}
.legal-section-content {
  font-size: .9rem;
  line-height: 1.75;
  color: #94a3b8;
}
.legal-section-content strong {
  color: #f1f5f9;
  font-weight: 600;
}
.legal-section-item.is-hidden {
  display: none !important;
}

/* Panel Footer Note */
.legal-panel-foot {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(41, 195, 214, 0.05);
  border: 1px dashed rgba(41, 195, 214, 0.25);
  border-radius: 12px;
}
.legal-foot-notice {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .84rem;
  color: #cbd5e1;
}
.legal-foot-notice i {
  color: var(--accent);
  font-size: 1.15rem;
  flex-shrink: 0;
}
.legal-foot-notice a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Modal Footer */
.legal-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.6rem;
  background: rgba(5, 7, 12, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.legal-modal-foot-info {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .legal-modal-overlay {
    padding: 0 !important;
  }
  .legal-modal-dialog {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
  }
  .legal-modal-head {
    padding: 0.85rem 1rem !important;
    gap: 0.6rem !important;
  }
  .legal-modal-icon-badge {
    width: 2.3rem !important;
    height: 2.3rem !important;
    font-size: 1.05rem !important;
    border-radius: 10px !important;
  }
  .legal-modal-title {
    font-size: 1.05rem !important;
  }
  .legal-modal-sub {
    font-size: 0.72rem !important;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .legal-modal-tabs {
    padding: 0.5rem 0.75rem !important;
    gap: 0.4rem !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
  }
  .legal-modal-tabs::-webkit-scrollbar {
    display: none !important;
  }
  .legal-tab-btn {
    flex: none !important;
    white-space: nowrap !important;
    padding: 0.45rem 0.8rem !important;
    font-size: 0.78rem !important;
    gap: 0.35rem !important;
  }
  .legal-tab-badge {
    font-size: 0.6rem !important;
    padding: 0.1rem 0.35rem !important;
  }
  .legal-modal-search-wrap {
    padding: 0.45rem 0.75rem !important;
  }
  .legal-modal-search-wrap .search-ic {
    left: 1.6rem !important;
    font-size: 0.8rem !important;
  }
  .legal-modal-search-input {
    height: 2.15rem !important;
    font-size: 0.8rem !important;
    padding: 0 0.85rem 0 2.2rem !important;
  }
  .legal-modal-body {
    padding: 1rem 0.85rem !important;
  }
  .legal-section-item {
    padding: 1rem 0.9rem !important;
    border-radius: 12px !important;
  }
  .legal-section-title {
    font-size: 0.94rem !important;
  }
  .legal-section-content {
    font-size: 0.84rem !important;
    line-height: 1.65 !important;
  }
  .legal-modal-footer {
    padding: 0.75rem 0.9rem !important;
  }
}

/* ============================================================
   Aprend — Cookie Consent Banner
   ============================================================ */
.cookie-banner-wrap {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 480px;
  width: calc(100vw - 3rem);
  z-index: 990;
  animation: cookieSlideUp .35s cubic-bezier(0.16, 1, 0.3, 1);
}
.cookie-banner-wrap[hidden] {
  display: none !important;
}
@keyframes cookieSlideUp {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.cookie-banner-card {
  background: rgba(13, 17, 26, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(41, 195, 214, 0.3);
  border-radius: 18px;
  padding: 1.25rem 1.4rem;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.85), 0 0 20px rgba(41, 195, 214, 0.12);
}
.cookie-banner-head {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .45rem;
}
.cookie-banner-head i {
  color: #f5c542;
  font-size: 1.15rem;
}
.cookie-banner-text {
  font-size: .84rem;
  line-height: 1.55;
  color: #94a3b8;
  margin: 0 0 .95rem;
}
.cookie-banner-text a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
@media (max-width: 640px) {
  .cookie-banner-wrap {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    width: auto;
    max-width: none;
  }
}

/* ============================================================
   Aprend — Painel Administrativo com Sidebar Lateral Profissional
   Layout Full-Width Fluido e Sidebar Retrátil
   ============================================================ */
.admin-main-fluid {
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block;
}

/* Esconde abas antigas centrais no layout novo */
.admin-main-fluid .admin-tabs {
  display: none !important;
}

.admin-layout {
  display: flex;
  min-height: calc(100vh - 4.5rem);
  width: 100%;
  position: relative;
  background: var(--bg);
}

/* Sidebar Principal */
.admin-sidebar {
  width: 260px;
  min-width: 260px;
  max-width: 260px;
  background: #090c14;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 4.5rem;
  height: calc(100vh - 4.5rem);
  z-index: 45;
  box-sizing: border-box;
  overflow: hidden;
  transition: width 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              min-width 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              max-width 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Sidebar Cabeçalho */
.admin-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.15rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}
.admin-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.admin-sidebar-logo {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(41, 195, 214, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(41, 195, 214, 0.35);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.admin-sidebar-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.admin-brand-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
}
.admin-brand-sub {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  white-space: nowrap;
}

/* Botão Toggle (Collapse/Expand) */
.admin-sidebar-toggle-btn {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.18s ease;
}
.admin-sidebar-toggle-btn:hover {
  background: rgba(41, 195, 214, 0.15);
  border-color: rgba(41, 195, 214, 0.35);
  color: var(--accent);
}
.admin-sidebar-toggle-btn .toggle-icon {
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Área de Rolagem dos Links */
.admin-sidebar-nav-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.95rem 0.65rem;
  scrollbar-width: thin;
}
.admin-nav-group {
  margin-bottom: 1.25rem;
}
.admin-nav-group-title {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--faint);
  padding: 0.4rem 0.75rem 0.35rem;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}
.admin-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.admin-nav-li {
  position: relative;
}
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  color: #94a3b8;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.18s ease;
  position: relative;
  white-space: nowrap;
}
.admin-nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  transform: translateX(2px);
}
.admin-nav-link.active {
  background: rgba(41, 195, 214, 0.14);
  border: 1px solid rgba(41, 195, 214, 0.3);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(41, 195, 214, 0.12);
}
.admin-nav-link.active .admin-nav-icon {
  color: var(--accent);
}
.admin-nav-icon {
  width: 1.65rem;
  height: 1.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  color: #94a3b8;
  transition: color 0.18s;
}
.admin-nav-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}
.admin-nav-badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.15rem 0.48rem;
  border-radius: 9999px;
  line-height: 1;
  flex-shrink: 0;
}
.admin-nav-badge.amber {
  background: var(--amber);
  color: var(--amber-ink);
  box-shadow: 0 0 8px rgba(245, 197, 66, 0.3);
}
.admin-nav-badge.accent {
  background: var(--accent);
  color: #04212a;
  box-shadow: 0 0 8px rgba(41, 195, 214, 0.3);
}
.admin-nav-badge.green {
  background: var(--green);
  color: #04291e;
  box-shadow: 0 0 8px rgba(51, 214, 159, 0.3);
}
.admin-nav-badge.red {
  background: var(--red, #ff6b6b);
  color: #2a0707;
  box-shadow: 0 0 8px rgba(255, 107, 107, 0.3);
}

/* Sidebar Rodapé */
.admin-sidebar-foot {
  padding: 0.85rem 0.65rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.2);
}
.admin-nav-back {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.admin-nav-back:hover {
  background: rgba(245, 197, 66, 0.1);
  border-color: rgba(245, 197, 66, 0.3);
  color: var(--amber);
}

/* ============================================================
   Estado Colapsado / Mini Sidebar (Apenas Ícones)
   ============================================================ */
.admin-sidebar.is-collapsed {
  width: 74px;
  min-width: 74px;
  max-width: 74px;
}
.admin-sidebar.is-collapsed .admin-sidebar-head {
  padding: 1.15rem 0.6rem;
  justify-content: center;
}
.admin-sidebar.is-collapsed .admin-sidebar-brand-text {
  display: none;
}
.admin-sidebar.is-collapsed .admin-sidebar-toggle-btn .toggle-icon {
  transform: rotate(180deg);
}
.admin-sidebar.is-collapsed .admin-nav-group-title {
  opacity: 0;
  height: 0;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
.admin-sidebar.is-collapsed .admin-nav-link {
  justify-content: center;
  padding: 0.65rem 0;
}
.admin-sidebar.is-collapsed .admin-nav-label {
  display: none;
}
.admin-sidebar.is-collapsed .admin-nav-badge {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.6rem;
  padding: 2px 4px;
}

/* Tooltip Customizado no Hover no Modo Colapsado */
.admin-sidebar.is-collapsed .admin-nav-link:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: #111622;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
  white-space: nowrap;
  z-index: 100;
  pointer-events: none;
  animation: adminTooltipPop 0.15s ease;
}
@keyframes adminTooltipPop {
  from { opacity: 0; transform: translateY(-50%) translateX(-4px); }
  to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

/* Área de Conteúdo Fluida */
.admin-content {
  flex: 1;
  min-width: 0;
  padding: 2rem 2.5rem 4rem;
  width: 100%;
  box-sizing: border-box;
  animation: adminContentFade 0.22s ease;
}
@keyframes adminContentFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Botão Mobile e Backdrop */
.admin-mobile-sidebar-btn {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--accent);
  color: var(--accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7), 0 0 15px rgba(41, 195, 214, 0.25);
  z-index: 90;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.admin-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 85;
}

@media (max-width: 900px) {
  .admin-mobile-sidebar-btn {
    display: flex;
  }
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    height: 100vh;
    z-index: 95;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.85);
    transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .admin-sidebar.mobile-open {
    left: 0;
  }
  .admin-sidebar-backdrop.show {
    display: block;
  }
  .admin-content {
    padding: 1.25rem 1rem 3rem;
  }
}

/* ============================================================
   Aprend — Otimização Mobile de KPIs e Métricas do Admin
   ============================================================ */
@media (max-width: 768px) {
  .admin-content .kpis,
  .admin-content .grid-kpis,
  .admin-content .pay-kpi-grid,
  .admin-content .stu-kpis,
  .admin-content .stats-kpi-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.65rem !important;
    margin-bottom: 1.25rem !important;
  }
  .admin-content .kpis[style*="grid-template-columns:1fr"] {
    grid-template-columns: 1fr !important;
  }
  .admin-content .kpis-big-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.65rem !important;
    margin-bottom: 1.25rem !important;
  }
  .admin-content .kpi,
  .admin-content .kpi-big-card,
  .admin-content .pay-kpi-card,
  .admin-content .stu-kpi,
  .admin-content .stat-kpi-card {
    padding: 0.75rem 0.85rem !important;
    gap: 0.5rem !important;
    border-radius: 12px !important;
  }
  .admin-content .kpi .val, 
  .admin-content .kpi-num, 
  .admin-content .kpi-big-num, 
  .admin-content .pay-kpi-value, 
  .admin-content .stat-kpi-val, 
  .admin-content .stu-kpi .val, 
  .admin-content .job-kpi-val,
  .admin-content .metric-value {
    font-size: 1.25rem !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
  }
  .admin-content .kpi .lbl, 
  .admin-content .kpi-lbl, 
  .admin-content .kpi-big-title, 
  .admin-content .kpi-eyebrow, 
  .admin-content .pay-kpi-title, 
  .admin-content .stat-kpi-lbl, 
  .admin-content .stu-kpi .lbl, 
  .admin-content .job-kpi-lbl,
  .admin-content .metric-label {
    font-size: 0.7rem !important;
    letter-spacing: 0.03em !important;
  }
  .admin-content .kpi-ic, 
  .admin-content .pay-kpi-icon, 
  .admin-content .kpi-big-icon-wrap {
    width: 2rem !important;
    height: 2rem !important;
    font-size: 0.95rem !important;
    border-radius: 8px !important;
  }
  .admin-content .kpi .faint, 
  .admin-content .kpi-big-foot, 
  .admin-content .pay-kpi-footer {
    font-size: 0.72rem !important;
    margin-top: 0.2rem !important;
  }
}
@media (max-width: 440px) {
  .admin-content .kpis:not(.kpis-2col),
  .admin-content .pay-kpi-grid {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* ============================================================
   Aprend — Organização Mobile Inteligente de Tabelas do Admin (Accordion / Cards)
   ============================================================ */
@media (max-width: 768px) {
  .admin-content table.dataTable,
  .admin-content table.table-lives,
  .admin-content table.lrec-table,
  .admin-content table.stats-table,
  .admin-content table.admin-table,
  .admin-content .card > div[style*="overflow-x"] > table,
  .admin-content table:not(.heatmap-table) {
    display: block !important;
    width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 0 0.65rem !important;
  }

  .admin-content table thead {
    display: none !important;
  }

  .admin-content table tbody {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.65rem !important;
    width: 100% !important;
  }

  .admin-content table tbody tr {
    display: flex !important;
    flex-direction: column !important;
    background: var(--surface-2, #14161d) !important;
    border: 1px solid var(--border-2, rgba(255, 255, 255, 0.1)) !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4) !important;
    transition: border-color 0.2s ease, background 0.2s ease !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .admin-content table tbody tr:hover {
    border-color: rgba(41, 195, 214, 0.35) !important;
  }

  /* Linha de cabeçalho do Card (Primeira coluna / Nome) */
  .admin-content table tbody tr > td:first-child {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0.85rem 1rem !important;
    font-weight: 700 !important;
    font-size: 0.92rem !important;
    color: var(--text, #e8eaf0) !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border: none !important;
    cursor: pointer !important;
    user-select: none !important;
    gap: 0.75rem !important;
    min-height: 48px !important;
    box-sizing: border-box !important;
  }

  /* Indicador visual de toggle (Chevron) */
  .admin-content table tbody tr:not(.empty-row):not(:has(.dataTables_empty)) > td:first-child::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free", "FontAwesome";
    font-weight: 900;
    font-size: 0.78rem;
    color: var(--accent, #29c3d6);
    background: rgba(41, 195, 214, 0.12);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1), background 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
    margin-left: auto;
  }

  .admin-content table tbody tr.admin-row-open > td:first-child::after {
    transform: rotate(180deg);
    background: var(--accent, #29c3d6);
    color: var(--accent-ink, #04212a);
  }

  /* Colunas ocultas quando recolhido */
  .admin-content table tbody tr:not(.admin-row-open) > td:not(:first-child) {
    display: none !important;
  }

  /* Colunas abertas no acordeão */
  .admin-content table tbody tr.admin-row-open > td:not(:first-child) {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0.65rem 1rem !important;
    font-size: 0.85rem !important;
    color: var(--text, #e8eaf0) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-bottom: none !important;
    gap: 0.75rem !important;
    text-align: right !important;
    box-sizing: border-box !important;
  }

  /* Rótulo da coluna extraído do thead th */
  .admin-content table tbody tr.admin-row-open > td:not(:first-child)::before {
    content: attr(data-th);
    font-weight: 600 !important;
    font-size: 0.72rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--muted, #9aa2b2) !important;
    text-align: left !important;
    flex-shrink: 0 !important;
    margin-right: auto !important;
  }

  /* Se a coluna contiver botões ou ações (ex: Editar, Excluir, etc) */
  .admin-content table tbody tr.admin-row-open > td:last-child {
    background: rgba(255, 255, 255, 0.02) !important;
    padding: 0.85rem 1rem !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  }

  .admin-content table tbody tr.admin-row-open > td:last-child .btn-group,
  .admin-content table tbody tr.admin-row-open > td:last-child .actions-wrap,
  .admin-content table tbody tr.admin-row-open > td:last-child div {
    display: flex !important;
    gap: 0.45rem !important;
    flex-wrap: wrap !important;
    justify-content: flex-end !important;
  }

  .admin-content table tbody tr.admin-row-open > td:last-child .btn,
  .admin-content table tbody tr.admin-row-open > td:last-child button,
  .admin-content table tbody tr.admin-row-open > td:last-child a.btn {
    padding: 0.45rem 0.85rem !important;
    font-size: 0.82rem !important;
  }

  /* Linhas vazias do DataTables */
  .admin-content table td.dataTables_empty {
    display: block !important;
    text-align: center !important;
    padding: 1.5rem 1rem !important;
    color: var(--muted) !important;
    cursor: default !important;
  }
  .admin-content table td.dataTables_empty::after {
    display: none !important;
  }

  /* Controles de Busca e Paginação do DataTables no Mobile */
  .admin-content .dataTables_wrapper .dataTables_filter,
  .admin-content .dataTables_wrapper .dataTables_length {
    float: none !important;
    text-align: left !important;
    margin-bottom: 0.75rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
  }

  .admin-content .dataTables_wrapper .dataTables_filter input {
    width: 100% !important;
    max-width: none !important;
    margin-left: 0 !important;
    margin-top: 0.25rem !important;
  }

  .admin-content .dataTables_wrapper .dataTables_paginate {
    float: none !important;
    text-align: center !important;
    margin-top: 1rem !important;
    display: flex !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 0.25rem !important;
  }
}

/* ============================================================
   SweetAlert2 Toast — Final Cascade Guarantee
   Garante que nenhum toast crie backdrop, blur ou bloqueio de tela
   ============================================================ */
body.swal2-toast-shown .swal2-container,
html.swal2-toast-shown .swal2-container,
.swal2-container.swal2-top-end,
.swal2-container.swal2-top-start,
.swal2-container.swal2-bottom-end,
.swal2-container.swal2-bottom-start,
.swal2-container.swal2-top,
.swal2-container.swal2-bottom,
.swal2-container.swal2-center-start,
.swal2-container.swal2-center-end,
.swal2-container:has(.swal2-toast) {
  background: transparent !important;
  background-color: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  pointer-events: none !important;
  box-shadow: none !important;
}

.swal2-popup.swal2-toast {
  pointer-events: auto !important;
  background: #0f1116 !important;
  color: #e8eaf0 !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  border-radius: 10px !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75) !important;
}

.swal2-popup.swal2-toast .swal2-title {
  color: #e8eaf0 !important;
  font-size: .88rem !important;
  font-weight: 600 !important;
}

.swal2-popup.swal2-toast .swal2-timer-progress-bar {
  background: var(--accent, #29c3d6) !important;
}

/* ============================================================
   Aprend — Modais Interativos de Materiais Complementares
   (Player de Audiobook, Mapa Mental Fullscreen e Leitor de PDF)
   ============================================================ */

/* Triggers de Materiais Interativos (Botões estilizados como .material) */
.material.material-interactive {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--surface-2);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  transition: all 0.25s ease;
}
.material.material-interactive:hover {
  background: rgba(41, 195, 214, 0.08);
  border-color: rgba(41, 195, 214, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* Base Backdrop Modal */
.aprend-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(4, 7, 13, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.aprend-modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Card do Modal */
.aprend-modal-card {
  background: #0f1523;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: 520px;
  width: 100%;
  overflow: hidden;
  transform: scale(0.94) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.aprend-modal-backdrop.is-active .aprend-modal-card {
  transform: scale(1) translateY(0);
}

.aprend-modal-header {
  padding: 1.5rem 1.75rem 1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.modal-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  align-self: flex-start;
}
.modal-badge.audio-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.modal-badge.mindmap-badge {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.modal-badge.pdf-badge {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}
.modal-subtitle {
  font-size: 0.85rem;
  color: #94a3b8;
  margin: 0;
}
.modal-close-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #94a3b8;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.4);
  transform: rotate(90deg);
}

/* ---------- 1. AUDIOBOOK PLAYER MODAL ---------- */
.audio-modal-body {
  padding: 1rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.audio-visualizer-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
}
.audio-artwork-disc {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #1e293b, #090d16);
  border: 2px solid rgba(16, 185, 129, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.2);
}
.disc-icon {
  font-size: 2.2rem;
  color: #34d399;
  transition: transform 0.3s ease;
}
.audio-artwork-disc.is-spinning .disc-icon {
  animation: discSpin 4s linear infinite;
}
@keyframes discSpin {
  100% { transform: rotate(360deg); }
}

.audio-equalizer {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 48px;
  padding: 4px 8px;
}
.audio-equalizer span {
  width: 5px;
  height: 8px;
  background: #10b981;
  border-radius: 3px;
  transition: height 0.15s ease;
}
.audio-equalizer.is-active span:nth-child(1) { animation: eqBar 0.8s ease-in-out infinite alternate; }
.audio-equalizer.is-active span:nth-child(2) { animation: eqBar 1.1s ease-in-out infinite 0.2s alternate; }
.audio-equalizer.is-active span:nth-child(3) { animation: eqBar 0.7s ease-in-out infinite 0.4s alternate; }
.audio-equalizer.is-active span:nth-child(4) { animation: eqBar 1.2s ease-in-out infinite 0.1s alternate; }
.audio-equalizer.is-active span:nth-child(5) { animation: eqBar 0.9s ease-in-out infinite 0.3s alternate; }
.audio-equalizer.is-active span:nth-child(6) { animation: eqBar 1.3s ease-in-out infinite 0.5s alternate; }
.audio-equalizer.is-active span:nth-child(7) { animation: eqBar 0.75s ease-in-out infinite 0.15s alternate; }
.audio-equalizer.is-active span:nth-child(8) { animation: eqBar 1.0s ease-in-out infinite 0.35s alternate; }
@keyframes eqBar {
  0% { height: 8px; opacity: 0.4; }
  100% { height: 44px; opacity: 1; background: #38bdf8; }
}

.audio-timeline-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.audio-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-family: monospace;
  color: #94a3b8;
}
.audio-seek-track {
  position: relative;
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}
.audio-seek-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981, #38bdf8);
  border-radius: 999px;
  pointer-events: none;
}
.audio-seek-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
  pointer-events: none;
  transition: transform 0.1s ease;
}
.audio-seek-track:hover .audio-seek-thumb {
  transform: translate(-50%, -50%) scale(1.2);
}

.audio-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.audio-speed-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.audio-speed-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
  color: #fff;
}
.audio-btn-skip {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}
.audio-btn-skip .skip-label {
  font-size: 0.55rem;
  font-weight: 800;
  margin-top: -2px;
}
.audio-btn-skip:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: scale(1.05);
}
.audio-btn-play {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  border: none;
  color: #fff;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  transition: all 0.2s ease;
}
.audio-btn-play:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 28px rgba(16, 185, 129, 0.55);
}
.audio-volume-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.audio-vol-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.3rem;
  transition: color 0.2s ease;
}
.audio-vol-btn:hover { color: #fff; }
.audio-vol-slider {
  width: 60px;
  height: 4px;
  accent-color: #10b981;
  cursor: pointer;
}

/* Bloqueio absoluto de scrollbar quando modal está ativo */
html.aprend-modal-open,
body.aprend-modal-open {
  overflow: hidden !important;
  height: 100vh !important;
  max-height: 100vh !important;
  padding-right: 0 !important;
}

/* ---------- 2. MAPA MENTAL INTERATIVO FULLSCREEN MODAL ---------- */
.mindmap-modal-backdrop {
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  position: fixed !important;
  inset: 0 !important;
}
.mindmap-fullscreen-container {
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  display: flex;
  flex-direction: column;
  background: #07090e;
  overflow: hidden !important;
  position: relative;
}
.mindmap-hud-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: rgba(15, 21, 35, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 20;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: nowrap;
}
.mindmap-hud-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}
.mindmap-hud-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mindmap-hud-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.hud-btn-group {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 2px;
}
.hud-btn-group .hud-btn {
  background: transparent;
  border: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
}
.hud-btn-group .hud-btn:hover {
  background: rgba(41, 195, 214, 0.2);
  color: #fff;
}
.hud-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.hud-btn:hover {
  background: rgba(41, 195, 214, 0.18);
  border-color: #29c3d6;
  color: #fff;
}
.hud-btn.hud-btn-close {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}
.hud-btn.hud-btn-close:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #fff;
}
.hud-zoom-level {
  font-size: 0.82rem;
  font-weight: 700;
  color: #38bdf8;
  min-width: 44px;
  text-align: center;
  font-family: monospace;
}

.mindmap-canvas-viewport {
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden !important;
  position: relative;
  cursor: grab;
  background-color: #05070a;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  user-select: none;
  -webkit-user-select: none;
}
.mindmap-canvas-viewport.is-dragging {
  cursor: grabbing;
}
.mindmap-canvas-stage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  transform: translate3d(-50%, -50%, 0) scale(1);
  will-change: transform;
}
.mindmap-canvas-stage img {
  display: block;
  max-width: none;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

/* Markmap SVG Viewer Styles */
#markmapSvgWrap {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: flex;
  overflow: hidden !important;
}
svg#markmapSvg {
  width: 100%;
  height: 100%;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden !important;
}
svg#markmapSvg:active {
  cursor: grabbing;
}
.markmap {
  font-family: inherit;
}
.markmap-node {
  cursor: pointer;
}
.markmap-node text {
  fill: #f8fafc !important;
  font-family: inherit !important;
  font-size: 14px !important;
  font-weight: 500 !important;
}
.markmap-node-circle {
  stroke-width: 2.5px !important;
  fill: #090d16 !important;
  cursor: pointer;
  transition: transform 0.2s ease, fill 0.2s ease;
}
.markmap-node-circle:hover {
  transform: scale(1.4);
  fill: #38bdf8 !important;
}
.markmap-link {
  stroke-width: 2.2px !important;
  stroke-linecap: round;
  transition: stroke-width 0.2s ease;
}
.markmap-link:hover {
  stroke-width: 3.5px !important;
}
.markmap-foreign {
  color: #e2e8f0;
  line-height: 1.45;
  display: inline-block;
}
.markmap-foreign strong, .markmap-foreign b {
  color: #fff;
  font-weight: 700;
}
.markmap-foreign code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: #38bdf8;
  font-size: 0.88em;
  font-family: monospace;
}

.mindmap-tip-toast {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  font-size: 0.82rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 10;
  pointer-events: none;
  animation: fadeIn 0.4s ease;
}

/* ---------- 3. LEITOR DE PDF INTEGRADO ---------- */
.pdf-modal-backdrop {
  padding: 1rem;
}
.pdf-modal-container {
  width: 95vw;
  max-width: 1280px;
  height: 92vh;
  background: #0f1523;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.85);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.pdf-modal-backdrop.is-active .pdf-modal-container {
  transform: scale(1);
}
.pdf-hud-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.4rem;
  background: #141b2d;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  gap: 1rem;
  flex-wrap: wrap;
}
.pdf-hud-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.pdf-hud-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.pdf-hud-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pdf-iframe-viewport {
  flex: 1;
  width: 100%;
  height: 100%;
  background: #1e293b;
  position: relative;
}
.pdf-iframe-viewport iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ---------- 4. MATERIAIS COMPLEMENTARES POR MÓDULO ---------- */
.aside-module-materials {
  padding: 0.35rem 0.5rem 0.5rem;
  margin: 0.2rem 0 0.4rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.aside-mat-header {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.35rem;
}

.aside-mat-header i {
  color: var(--accent);
}

.module-materials-box {
  padding: 1rem 1.25rem;
  background: rgba(15, 23, 42, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.module-materials-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.module-materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
}

.mod-mat-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
}

.mod-mat-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.mod-mat-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.mod-mat-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
}

.mod-mat-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mod-mat-action {
  font-size: 0.72rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.mod-mat-arrow {
  color: #64748b;
  font-size: 0.75rem;
  transition: transform 0.2s ease, color 0.2s ease;
}

.mod-mat-card:hover .mod-mat-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* Tokens de Syntax Highlighting Modernos e Universais (IDE Colors) */
.c-comment, .hl-com, .hljs-comment { color: #768390 !important; font-style: italic !important; }
.c-keyword, .hl-kwd, .hljs-keyword { color: #f472b6 !important; font-weight: 600 !important; }
.c-var, .hljs-variable { color: #38bdf8 !important; }
.c-num, .hljs-number { color: #fb923c !important; }
.c-func, .hljs-title.function_, .hljs-function { color: #60a5fa !important; font-weight: 600 !important; }
.c-method { color: #a78bfa !important; }
.c-str, .hl-str, .hljs-string { color: #a3e635 !important; }
.c-prop, .hljs-property { color: #38bdf8 !important; }
.c-tag, .hl-tag, .hljs-tag, .hljs-name { color: #f43f5e !important; font-weight: 600 !important; }
.c-attr, .hl-attr, .hljs-attr { color: #38bdf8 !important; }
.c-val, .hl-val { color: #a3e635 !important; }
.c-selector, .hljs-selector-class, .hljs-selector-tag, .hljs-selector-id { color: #fbbf24 !important; font-weight: 600 !important; }
.c-unit { color: #f472b6 !important; }
.c-punct, .hljs-punctuation { color: #94a3b8 !important; }
.hl-doc, .hljs-doctag { color: #e06c75 !important; font-weight: bold !important; }
.hl-ent, .hljs-symbol { color: #ffa657 !important; }
.hljs-meta { color: #c084fc !important; }
.hljs-params { color: #e2e8f0 !important; }
.hljs-built_in { color: #38bdf8 !important; }
.hljs-type, .hljs-class { color: #facc15 !important; }

/* ==========================================================================
   COMPONENT VISUAL PREVIEWS & LIVE CANVASES (BOOTSTRAP 5.3 UI SHOWCASE)
   ========================================================================== */
.component-preview-box {
  background: #0d1117;
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 14px;
  margin: 2rem 0;
  overflow: hidden;
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.component-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.2rem;
  background: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.component-preview-title {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: #f1f5f9;
}

.component-preview-title i {
  color: #38bdf8;
  font-size: 0.95rem;
}

.component-preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.65rem;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.component-preview-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
  animation: pulseLive 2s infinite;
}

@keyframes pulseLive {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.component-preview-canvas {
  padding: 1.6rem;
  background: #090d13;
  color: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.component-preview-canvas.light-mode {
  background: #f8fafc;
  color: #0f172a;
  border-top: 1px solid #e2e8f0;
}

.component-preview-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.component-preview-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 0.4rem;
  display: block;
}

/* --- Bootstrap Buttons Preview --- */
.bs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.45rem 1rem;
  border-radius: 0.375rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.bs-btn-primary { background-color: #0d6efd; border-color: #0d6efd; color: #fff; }
.bs-btn-primary:hover { background-color: #0b5ed7; border-color: #0a58ca; color: #fff; }
.bs-btn-secondary { background-color: #6c757d; border-color: #6c757d; color: #fff; }
.bs-btn-secondary:hover { background-color: #5c636a; border-color: #565e64; color: #fff; }
.bs-btn-success { background-color: #198754; border-color: #198754; color: #fff; }
.bs-btn-success:hover { background-color: #157347; border-color: #146c43; color: #fff; }
.bs-btn-danger { background-color: #dc3545; border-color: #dc3545; color: #fff; }
.bs-btn-danger:hover { background-color: #bb2d3b; border-color: #b02a37; color: #fff; }
.bs-btn-warning { background-color: #ffc107; border-color: #ffc107; color: #000; }
.bs-btn-warning:hover { background-color: #ffca2c; border-color: #ffc720; color: #000; }
.bs-btn-info { background-color: #0dcaf0; border-color: #0dcaf0; color: #000; }
.bs-btn-info:hover { background-color: #31d2f2; border-color: #25cff2; color: #000; }
.bs-btn-light { background-color: #f8f9fa; border-color: #f8f9fa; color: #000; }
.bs-btn-light:hover { background-color: #d3d4d5; border-color: #c6c7c8; color: #000; }
.bs-btn-dark { background-color: #212529; border-color: #212529; color: #fff; }
.bs-btn-dark:hover { background-color: #1c1f23; border-color: #1a1e21; color: #fff; }

/* Outlines */
.bs-btn-outline-primary { color: #0d6efd; border-color: #0d6efd; background-color: transparent; }
.bs-btn-outline-primary:hover { color: #fff; background-color: #0d6efd; }
.bs-btn-outline-success { color: #198754; border-color: #198754; background-color: transparent; }
.bs-btn-outline-success:hover { color: #fff; background-color: #198754; }
.bs-btn-outline-danger { color: #dc3545; border-color: #dc3545; background-color: transparent; }
.bs-btn-outline-danger:hover { color: #fff; background-color: #dc3545; }
.bs-btn-outline-warning { color: #ffc107; border-color: #ffc107; background-color: transparent; }
.bs-btn-outline-warning:hover { color: #000; background-color: #ffc107; }
.bs-btn-outline-info { color: #0dcaf0; border-color: #0dcaf0; background-color: transparent; }
.bs-btn-outline-info:hover { color: #000; background-color: #0dcaf0; }

.bs-btn-lg { padding: 0.65rem 1.3rem; font-size: 1.05rem; border-radius: 0.5rem; }
.bs-btn-sm { padding: 0.25rem 0.65rem; font-size: 0.78rem; border-radius: 0.25rem; }

.bs-btn-group {
  display: inline-flex;
  vertical-align: middle;
  border-radius: 0.375rem;
}
.bs-btn-group > .bs-btn {
  border-radius: 0;
  margin-left: -1px;
}
.bs-btn-group > .bs-btn:first-child {
  border-top-left-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
  margin-left: 0;
}
.bs-btn-group > .bs-btn:last-child {
  border-top-right-radius: 0.375rem;
  border-bottom-right-radius: 0.375rem;
}

/* --- Bootstrap Cards Preview --- */
.bs-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  width: 100%;
}

.bs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #161b22;
  background-clip: border-box;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.bs-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
}

.bs-card-header {
  padding: 0.75rem 1rem;
  margin-bottom: 0;
  background-color: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
  font-size: 0.92rem;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bs-card-img-top {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.bs-card-img-placeholder {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #64748b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bs-card-img-placeholder i {
  font-size: 2rem;
  color: #38bdf8;
}

.bs-card-body {
  flex: 1 1 auto;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
}

.bs-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.5rem 0;
}

.bs-card-subtitle {
  font-size: 0.82rem;
  color: #94a3b8;
  margin-top: -0.25rem;
  margin-bottom: 0.65rem;
}

.bs-card-text {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #cbd5e1;
  margin: 0 0 1rem 0;
  flex: 1;
}

.bs-card-footer {
  padding: 0.65rem 1rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Bootstrap Alerts & Badges Preview --- */
.bs-alert {
  position: relative;
  padding: 0.9rem 1.15rem;
  margin-bottom: 0.85rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  font-size: 0.92rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.bs-alert-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
}

.bs-alert-content i {
  font-size: 1.15rem;
  flex-shrink: 0;
}

.bs-alert-primary { background-color: rgba(13, 110, 253, 0.15); border-color: rgba(13, 110, 253, 0.35); color: #6ea8fe; }
.bs-alert-success { background-color: rgba(25, 135, 84, 0.15); border-color: rgba(25, 135, 84, 0.35); color: #75b798; }
.bs-alert-danger  { background-color: rgba(220, 53, 69, 0.15); border-color: rgba(220, 53, 69, 0.35); color: #ea868f; }
.bs-alert-warning { background-color: rgba(255, 193, 7, 0.15); border-color: rgba(255, 193, 7, 0.35); color: #ffda6a; }
.bs-alert-info    { background-color: rgba(13, 202, 240, 0.15); border-color: rgba(13, 202, 240, 0.35); color: #6edff6; }

.bs-btn-close {
  background: transparent;
  border: none;
  color: currentColor;
  opacity: 0.65;
  cursor: pointer;
  padding: 0.25rem;
  font-size: 0.85rem;
  line-height: 1;
  transition: opacity 0.2s ease;
}
.bs-btn-close:hover { opacity: 1; }

.bs-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.375rem;
}
.bs-badge-pill { border-radius: 50rem; padding-right: 0.75em; padding-left: 0.75em; }
.bs-badge-primary { background-color: #0d6efd; }
.bs-badge-secondary { background-color: #6c757d; }
.bs-badge-success { background-color: #198754; }
.bs-badge-danger { background-color: #dc3545; }
.bs-badge-warning { background-color: #ffc107; color: #000; }
.bs-badge-info { background-color: #0dcaf0; color: #000; }
.bs-badge-dark { background-color: #212529; }

/* --- Bootstrap Tables Preview --- */
.bs-table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.bs-table {
  width: 100%;
  margin-bottom: 0;
  vertical-align: top;
  border-color: rgba(255, 255, 255, 0.08);
  border-collapse: collapse;
}
.bs-table th, .bs-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  text-align: left;
}
.bs-table th {
  background-color: #161b22;
  color: #38bdf8;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}
.bs-table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(255, 255, 255, 0.025);
}
.bs-table-hover tbody tr:hover {
  background-color: rgba(56, 189, 248, 0.08);
}

/* --- Bootstrap List Groups Preview --- */
.bs-list-group {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  border-radius: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.bs-list-group-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.1rem;
  color: #e2e8f0;
  text-decoration: none;
  background-color: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}
.bs-list-group-item:last-child {
  border-bottom: none;
}
.bs-list-group-item-action {
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.bs-list-group-item-action:hover {
  background-color: rgba(56, 189, 248, 0.12);
  color: #ffffff;
}
.bs-list-group-item.active {
  z-index: 2;
  color: #fff;
  background-color: #0d6efd;
  border-color: #0d6efd;
  font-weight: 600;
}

/* --- Bootstrap Spinners & Placeholders Preview --- */
.bs-spinner-border {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: -0.125em;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: 0.75s linear infinite bs-spinner-border;
}
.bs-spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}
@keyframes bs-spinner-border {
  to { transform: rotate(360deg); }
}

.bs-spinner-grow {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: -0.125em;
  background-color: currentColor;
  border-radius: 50%;
  opacity: 0;
  animation: 0.75s linear infinite bs-spinner-grow;
}
.bs-spinner-grow-sm {
  width: 1rem;
  height: 1rem;
}
@keyframes bs-spinner-grow {
  0% { transform: scale(0); }
  50% { opacity: 1; transform: none; }
}

.bs-placeholder-glow .bs-placeholder {
  animation: bs-placeholder-glow 2s ease-in-out infinite;
}
@keyframes bs-placeholder-glow {
  50% { opacity: 0.25; }
}

.bs-placeholder {
  display: inline-block;
  min-height: 1em;
  vertical-align: middle;
  cursor: wait;
  background-color: currentColor;
  opacity: 0.5;
  border-radius: 4px;
}
.bs-placeholder-xs { min-height: 0.6em; }
.bs-placeholder-sm { min-height: 0.8em; }
.bs-placeholder-lg { min-height: 1.2em; }

/* --- Bootstrap Breadcrumb & Pagination Preview --- */
.bs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: 0.65rem 1rem;
  margin-bottom: 0;
  list-style: none;
  background-color: #161b22;
  border-radius: 0.375rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.88rem;
}
.bs-breadcrumb-item + .bs-breadcrumb-item {
  padding-left: 0.5rem;
}
.bs-breadcrumb-item + .bs-breadcrumb-item::before {
  float: left;
  padding-right: 0.5rem;
  color: #64748b;
  content: "/";
}
.bs-breadcrumb-item a {
  color: #38bdf8;
  text-decoration: none;
}
.bs-breadcrumb-item a:hover {
  text-decoration: underline;
}
.bs-breadcrumb-item.active {
  color: #94a3b8;
}

.bs-pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  border-radius: 0.375rem;
  gap: 0;
  margin: 0;
}
.bs-page-item:first-child .bs-page-link {
  border-top-left-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
}
.bs-page-item:last-child .bs-page-link {
  border-top-right-radius: 0.375rem;
  border-bottom-right-radius: 0.375rem;
}
.bs-page-link {
  position: relative;
  display: block;
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  color: #38bdf8;
  text-decoration: none;
  background-color: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
  cursor: pointer;
}
.bs-page-link:hover {
  z-index: 2;
  color: #ffffff;
  background-color: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
}
.bs-page-item.active .bs-page-link {
  z-index: 3;
  color: #fff;
  background-color: #0d6efd;
  border-color: #0d6efd;
}
/* --- Bootstrap Forms Preview --- */
.bs-form-group {
  margin-bottom: 1.15rem;
  width: 100%;
}
.bs-form-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: #f1f5f9;
}
.bs-form-text {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: #94a3b8;
  line-height: 1.4;
}
.bs-form-control {
  display: block;
  width: 100%;
  padding: 0.55rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  color: #f8fafc;
  background-color: #161b22;
  background-clip: padding-box;
  border: 1px solid rgba(255, 255, 255, 0.15);
  appearance: none;
  border-radius: 0.375rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  box-sizing: border-box;
}
.bs-form-control:focus {
  color: #fff;
  background-color: #161b22;
  border-color: #38bdf8;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.25);
}
.bs-form-control::placeholder {
  color: #64748b;
  opacity: 1;
}
.bs-form-control-lg {
  min-height: calc(1.5em + 1rem + 2px);
  padding: 0.65rem 1.1rem;
  font-size: 1.05rem;
  border-radius: 0.5rem;
}
.bs-form-control-sm {
  min-height: calc(1.5em + 0.5rem + 2px);
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  border-radius: 0.25rem;
}
.bs-form-select {
  display: block;
  width: 100%;
  padding: 0.55rem 2.25rem 0.55rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  color: #f8fafc;
  background-color: #161b22;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.375rem;
  appearance: none;
  box-sizing: border-box;
}
.bs-form-select:focus {
  border-color: #38bdf8;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.25);
}
.bs-form-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 1.5rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
}
.bs-form-check-input {
  width: 1.15em;
  height: 1.15em;
  margin-top: 0;
  vertical-align: top;
  background-color: #161b22;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: 1px solid rgba(255, 255, 255, 0.25);
  appearance: none;
  border-radius: 0.25em;
  cursor: pointer;
  flex-shrink: 0;
}
.bs-form-check-input[type="radio"] {
  border-radius: 50%;
}
.bs-form-check-input:checked {
  background-color: #0d6efd;
  border-color: #0d6efd;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}
.bs-form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}
.bs-form-check-label {
  font-size: 0.88rem;
  color: #cbd5e1;
  cursor: pointer;
}
.bs-form-switch .bs-form-check-input {
  width: 2.2em;
  height: 1.2em;
  border-radius: 2em;
  transition: background-position .15s ease-in-out;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%28255,255,255,0.4%29'/%3e%3c/svg%3e");
  background-position: left center;
}
.bs-form-switch .bs-form-check-input:checked {
  background-position: right center;
  background-color: #10b981;
  border-color: #10b981;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}
.bs-input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}
.bs-input-group > .bs-form-control,
.bs-input-group > .bs-form-select {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
  border-radius: 0;
}
.bs-input-group-text {
  display: flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  color: #94a3b8;
  text-align: center;
  white-space: nowrap;
  background-color: #21262d;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.bs-input-group > :first-child {
  border-top-left-radius: 0.375rem !important;
  border-bottom-left-radius: 0.375rem !important;
}
.bs-input-group > :last-child {
  border-top-right-radius: 0.375rem !important;
  border-bottom-right-radius: 0.375rem !important;
}
.bs-form-floating {
  position: relative;
  display: block;
}
.bs-form-floating > .bs-form-control,
.bs-form-floating > .bs-form-select {
  height: calc(3.5rem + 2px);
  line-height: 1.25;
  padding: 1.625rem 0.85rem 0.625rem;
  background-color: #161b22;
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.375rem;
}
.bs-form-floating > textarea.bs-form-control {
  height: auto !important;
  min-height: 105px !important;
  padding-top: 1.75rem !important;
}
.bs-form-floating > label {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 1rem 0.85rem;
  overflow: hidden;
  text-align: start;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events: none;
  border: 1px solid transparent;
  transform-origin: 0 0;
  transition: opacity .15s ease-in-out, transform .15s ease-in-out, color .15s ease-in-out;
  color: #94a3b8;
  font-size: 0.88rem;
}
.bs-form-floating > .bs-form-control:focus ~ label,
.bs-form-floating > .bs-form-control:not(:placeholder-shown) ~ label,
.bs-form-floating > .bs-form-select ~ label,
.bs-form-floating > textarea.bs-form-control:focus ~ label,
.bs-form-floating > textarea.bs-form-control:not(:placeholder-shown) ~ label {
  opacity: .88;
  transform: scale(.82) translateY(-0.65rem) translateX(0.15rem);
  color: #38bdf8;
}
.bs-form-floating > textarea.bs-form-control ~ label {
  height: auto;
}
.bs-valid-feedback {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: #34d399;
}
.bs-invalid-feedback {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: #f87171;
}
.bs-form-control.is-valid {
  border-color: #10b981;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2310b981' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}
.bs-form-control.is-invalid {
  border-color: #ef4444;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23ef4444'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23ef4444' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* File Input Custom Selector */
.bs-form-control[type="file"] {
  overflow: hidden;
  padding: 0.38rem 0.6rem;
  cursor: pointer;
}
.bs-form-control[type="file"]::file-selector-button {
  padding: 0.35rem 0.85rem;
  margin: -0.38rem -0.6rem;
  margin-inline-end: 0.75rem;
  color: #f1f5f9;
  background-color: #21262d;
  border: 0;
  border-inline-end: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}
.bs-form-control[type="file"]::file-selector-button:hover {
  background-color: #30363d;
}

/* Range Sliders Modernos */
.bs-form-range {
  width: 100%;
  height: 1.5rem;
  padding: 0;
  background-color: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
.bs-form-range:focus {
  outline: none;
}
.bs-form-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.55rem;
  cursor: pointer;
  background: #334155;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.bs-form-range::-webkit-slider-thumb {
  height: 1.25rem;
  width: 1.25rem;
  border-radius: 50%;
  background: #0ea5e9;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -0.38rem;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.6);
  border: 2px solid #ffffff;
  transition: transform 0.15s ease, background 0.15s ease;
}
.bs-form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #38bdf8;
}
.bs-form-range::-moz-range-track {
  width: 100%;
  height: 0.55rem;
  cursor: pointer;
  background: #334155;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.bs-form-range::-moz-range-thumb {
  height: 1.25rem;
  width: 1.25rem;
  border-radius: 50%;
  background: #0ea5e9;
  cursor: pointer;
  border: 2px solid #ffffff;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.6);
}

/* --- Bootstrap Modal Preview --- */
.bs-modal-preview {
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.bs-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}
.bs-modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.bs-modal-body {
  padding: 1.2rem;
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.55;
}
.bs-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
  padding: 0.8rem 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

/* --- Bootstrap Navbar Preview --- */
.bs-navbar-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.2rem;
  background-color: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.bs-navbar-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: #38bdf8;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.bs-navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.bs-nav-link {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.bs-nav-link:hover, .bs-nav-link.active {
  color: #38bdf8;
}

/* --- Bootstrap Accordion Preview --- */
.bs-accordion {
  display: flex;
  flex-direction: column;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  width: 100%;
  background-color: #0d1117;
}
.bs-accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.bs-accordion-item:last-child {
  border-bottom: none;
}
.bs-accordion-button {
  width: 100%;
  padding: 0.95rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: #38bdf8;
  text-align: left;
  background-color: rgba(56, 189, 248, 0.08);
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  outline: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  user-select: none;
}
.bs-accordion-button:hover {
  background-color: rgba(56, 189, 248, 0.14);
}
.bs-accordion-button.collapsed {
  background-color: #161b22;
  color: #cbd5e1;
}
.bs-accordion-button.collapsed:hover {
  background-color: #1e242d;
  color: #f1f5f9;
}
.bs-accordion-button .fa-circle-question {
  color: #38bdf8;
  transition: color 0.2s ease;
}
.bs-accordion-button.collapsed .fa-circle-question {
  color: #64748b;
}
.bs-accordion-button .bs-acc-chevron,
.bs-accordion-button .fa-chevron-down,
.bs-accordion-button .fa-chevron-up {
  transition: transform 0.25s ease, color 0.2s ease;
  color: #38bdf8;
}
.bs-accordion-button.collapsed .bs-acc-chevron,
.bs-accordion-button.collapsed .fa-chevron-down {
  transform: rotate(-90deg);
  color: #64748b;
}
.bs-accordion-button:not(.collapsed) .bs-acc-chevron,
.bs-accordion-button:not(.collapsed) .fa-chevron-down {
  transform: rotate(0deg);
  color: #38bdf8;
}
.bs-accordion-button.collapsed + .bs-accordion-body {
  display: none;
}
.bs-accordion-button:not(.collapsed) + .bs-accordion-body {
  display: block;
  animation: bsAccordionFade 0.25s ease;
}
.bs-accordion-body {
  padding: 1rem 1.25rem;
  background-color: #11161d;
  color: #94a3b8;
  font-size: 0.88rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
@keyframes bsAccordionFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Bootstrap Toast Preview --- */
.bs-toast {
  background-color: #161b22;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 0.5rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
  max-width: 380px;
  width: 100%;
  overflow: hidden;
  animation: bsToastSlide 0.3s ease;
}
@keyframes bsToastSlide {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.bs-toast-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #f1f5f9;
  font-size: 0.85rem;
  font-weight: 600;
}
.bs-toast-body {
  padding: 0.85rem 1rem;
  color: #cbd5e1;
  font-size: 0.86rem;
  line-height: 1.5;
}

/* --- Bootstrap Tabs Preview --- */
.bs-tabs-container {
  width: 100%;
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  overflow: hidden;
}
.bs-nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.6rem 0.8rem 0;
  background: #161b22;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  list-style: none;
  margin: 0;
}
.bs-tab-btn {
  padding: 0.6rem 1.1rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: #94a3b8;
  background: transparent;
  border: 1px solid transparent;
  border-top-left-radius: 0.375rem;
  border-top-right-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  outline: none;
}
.bs-tab-btn:hover {
  color: #f1f5f9;
  background: rgba(255, 255, 255, 0.04);
}
.bs-tab-btn.active {
  color: #38bdf8;
  background: #0d1117;
  border-color: rgba(255, 255, 255, 0.1) rgba(255, 255, 255, 0.1) #0d1117;
  border-bottom: 2px solid #38bdf8;
}
.bs-tab-content {
  padding: 1.25rem;
  color: #cbd5e1;
}
.bs-tab-pane {
  display: none;
  animation: bsTabFade 0.25s ease;
}
.bs-tab-pane.active {
  display: block;
}
@keyframes bsTabFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Bootstrap Dropdown Preview --- */
.bs-dropdown-preview-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1rem 0;
  min-height: 270px;
  padding-bottom: 8rem;
  position: relative;
}
.bs-dropdown {
  position: relative;
  display: inline-block;
}
.bs-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 1.25rem;
  background: #0284c7;
  color: #fff;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}
.bs-dropdown-toggle:hover {
  background: #0369a1;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}
.bs-dropdown-toggle .fa-chevron-down {
  transition: transform 0.25s ease;
  font-size: 0.75rem;
}
.bs-dropdown.show .bs-dropdown-toggle .fa-chevron-down {
  transform: rotate(180deg);
}
.bs-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  min-width: 230px;
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.5rem;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65);
  padding: 0.45rem 0;
  z-index: 1050;
  animation: bsDropdownSlide 0.2s ease;
}
.bs-dropdown.show .bs-dropdown-menu,
.bs-dropdown-menu.show {
  display: block;
}
@keyframes bsDropdownSlide {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.bs-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.6rem 1.15rem;
  font-size: 0.86rem;
  color: #cbd5e1;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  text-align: left;
}
.bs-dropdown-item:hover {
  background: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
}
.bs-dropdown-item.text-danger:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}
.bs-dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 0.4rem 0;
  border: none;
}

/* --- Bootstrap Tooltips & Popovers Preview Engine --- */
.bs-tooltip-bubble {
  position: fixed;
  background: #020617;
  color: #f8fafc;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.35);
  pointer-events: none;
  z-index: 99999;
  white-space: nowrap;
  animation: bsTooltipPop 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}
.bs-tooltip-bubble::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px 5px 0 5px;
  border-style: solid;
  border-color: #020617 transparent transparent transparent;
}
@keyframes bsTooltipPop {
  from { opacity: 0; transform: translate(-50%, -90%) scale(0.92); }
  to { opacity: 1; transform: translate(-50%, -100%) scale(1); }
}

.bs-popover-card {
  position: fixed;
  width: 290px;
  background: #161b22;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  z-index: 99999;
  animation: bsPopoverPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}
.bs-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.95rem;
  background: rgba(56, 189, 248, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  font-weight: 700;
  color: #38bdf8;
}
.bs-popover-body {
  padding: 0.85rem 0.95rem;
  font-size: 0.84rem;
  line-height: 1.55;
  color: #cbd5e1;
}
@keyframes bsPopoverPop {
  from { opacity: 0; transform: translate(-50%, -90%) scale(0.95); }
  to { opacity: 1; transform: translate(-50%, -100%) scale(1); }
}

/* --- Bootstrap Carousel Preview --- */
.bs-carousel {
  position: relative;
  width: 100%;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0d1117;
}
.bs-carousel-inner {
  position: relative;
  width: 100%;
  min-height: 220px;
}
.bs-carousel-item {
  display: none;
  position: relative;
  width: 100%;
  min-height: 220px;
  padding: 2.5rem 3.5rem;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #fff;
  flex-direction: column;
  justify-content: center;
  animation: bsCarouselFade 0.4s ease;
}
.bs-carousel-item.active {
  display: flex;
}
@keyframes bsCarouselFade {
  from { opacity: 0.4; }
  to { opacity: 1; }
}
.bs-carousel-item h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 0.5rem;
}
.bs-carousel-item p {
  font-size: 0.9rem;
  color: #cbd5e1;
  max-width: 600px;
  margin-bottom: 0;
  line-height: 1.5;
}
.bs-carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  outline: none;
}
.bs-carousel-control:hover {
  background: #0284c7;
  border-color: #38bdf8;
}
.bs-carousel-control.prev { left: 1rem; }
.bs-carousel-control.next { right: 1rem; }
.bs-carousel-indicators {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  z-index: 10;
}
.bs-carousel-indicator {
  width: 24px;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.25s ease;
}
.bs-carousel-indicator.active {
  background: #38bdf8;
  width: 36px;
}

/* --- Bootstrap Offcanvas Preview --- */
.bs-offcanvas-demo-box {
  position: relative;
  width: 100%;
  min-height: 260px;
  background: #090d13;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.bs-offcanvas-drawer {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: #161b22;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 20;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 8px 0 24px rgba(0, 0, 0, 0.6);
}
.bs-offcanvas-drawer.show {
  transform: translateX(0);
}
.bs-offcanvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #f1f5f9;
  font-weight: 600;
  font-size: 0.92rem;
}
.bs-offcanvas-body {
  padding: 1rem 1.15rem;
  flex: 1;
  overflow-y: auto;
  color: #cbd5e1;
  font-size: 0.88rem;
}
.bs-offcanvas-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.bs-offcanvas-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

/* --- Layout Grid Previews --- */
.grid-visualizer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  width: 100%;
  margin-bottom: 0.8rem;
}
.grid-col-box {
  background: rgba(56, 189, 248, 0.12);
  border: 1px dashed #38bdf8;
  color: #38bdf8;
  font-weight: 600;
  font-size: 0.82rem;
  text-align: center;
  padding: 0.65rem 0.5rem;
  border-radius: 0.375rem;
  transition: all 0.2s ease;
}
.grid-col-box:hover {
  background: rgba(56, 189, 248, 0.22);
  color: #fff;
}


/* Box de Prática Passo a Passo */
.step-practice-box {
  background: rgba(14, 165, 233, 0.04);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1.6rem 0;
}

.step-practice-box h4,
.step-practice-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: #38bdf8;
  margin: 0 0 0.75rem 0;
}

.step-practice-list,
.step-list {
  margin: 0;
  padding-left: 1.25rem;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.step-practice-list li,
.step-list li {
  margin-bottom: 0.5rem;
  line-height: 1.55;
}

.step-list li code,
.step-practice-list li code {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.86em;
}

/* Selo "Beta" abaixo do nome da marca (topbar e rodapé) */
.brand-txt{display:inline-flex;flex-direction:column;align-items:flex-start;line-height:1}
.brand-beta{margin-top:.22rem;font-size:.58rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);line-height:1}
.foot-brand{display:flex;align-items:center;justify-content:center;gap:.5rem;margin:.25rem 0 .6rem}
.foot-brand img{width:1.9rem;height:1.9rem;object-fit:contain}
.foot-brand b{font-size:1.05rem;font-weight:700}
.foot-brand .brand-txt{align-items:center}

/* ---------- Mensagens diretas (DM): ícone do topo, badges e toast ---------- */
.dm-top-btn{color:var(--muted);transition:color var(--fast),border-color var(--fast)}
.dm-top-btn:hover,.dm-top-btn.is-active{color:var(--accent);border-color:rgba(41,195,214,.4)}
.dm-top-btn .dm-badge-count{position:absolute;top:-4px;right:-4px}
.dm-badge-count{background:var(--red);color:#fff;font-size:.6rem;font-weight:800;border-radius:9999px;padding:1px 5px;min-width:16px;text-align:center;line-height:1.4}
.dm-badge-count[hidden],[data-dm-badge][hidden]{display:none!important}
.feed-btn-dm{position:relative;gap:.5rem}
.feed-btn-dm .dm-badge-count{margin-left:.1rem}
.dm-live-toast{border:1px solid rgba(41,195,214,.3)!important}

/* ============================================================
   Aprend · Sistema de Avaliações e Estrelas dos Cursos
   ============================================================ */
.reviews-section {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.75), rgba(15, 18, 24, 0.95));
  border: 1px solid rgba(245, 197, 66, 0.25);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.reviews-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}
.rating-summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 1.4rem;
}
@media (min-width: 768px) {
  .rating-summary-grid {
    grid-template-columns: 240px 1fr;
    align-items: center;
  }
}
.rating-big-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  background: rgba(245, 197, 66, 0.05);
  border: 1px solid rgba(245, 197, 66, 0.2);
  border-radius: 12px;
}
.rating-big-number {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.03em;
  text-shadow: 0 0 25px rgba(245, 197, 66, 0.4);
}
.rating-stars-gold {
  display: flex;
  gap: 0.25rem;
  font-size: 1.15rem;
  color: var(--amber);
  margin: 0.5rem 0 0.35rem;
}
.rating-bars-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.rating-bar-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.82rem;
}
.rating-bar-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  width: 52px;
  color: var(--text);
  font-weight: 600;
  flex-shrink: 0;
}
.rating-bar-track {
  flex: 1;
  height: 7px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  overflow: hidden;
}
.rating-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
  border-radius: 9999px;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.rating-bar-pct {
  width: 48px;
  text-align: right;
  color: var(--muted);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Formulário de Avaliação (100% Concluído) */
.review-form-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(41, 195, 214, 0.25);
  border-radius: 14px;
  padding: 1.3rem 1.4rem;
}
.rating-stars-picker {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.star-btn {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  padding: 0.2rem;
  transition: all 0.15s ease;
}
.star-btn:hover,
.star-btn.is-active,
.star-btn.is-hover {
  color: #fbbf24;
  transform: scale(1.15);
  text-shadow: 0 0 14px rgba(251, 191, 36, 0.6);
}
.star-rating-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fbbf24;
  margin-left: 0.6rem;
}
.review-textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 90px;
  transition: border-color var(--fast), box-shadow var(--fast);
}
.review-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(41, 195, 214, 0.18);
}

/* Banner de Bloqueio (< 100%) */
.review-locked-card {
  background: rgba(245, 197, 66, 0.05);
  border: 1px solid rgba(245, 197, 66, 0.25);
  border-radius: 14px;
  padding: 1.3rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
}
.review-locked-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(245, 197, 66, 0.15);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Lista de Comentários / Avaliações */
.reviews-list-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}
.review-card-item {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  transition: all 0.2s ease;
}
.review-card-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}
.review-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.review-author-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.review-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #04121a;
  font-weight: 700;
  font-size: 0.88rem;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
}
.review-author-name {
  font-weight: 700;
  color: #ffffff;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--fast);
}
.review-author-name:hover {
  color: var(--accent);
  text-decoration: underline;
}
.review-badge-concluido {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.review-comment-body {
  margin-top: 0.85rem;
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.6;
}
.review-delete-btn {
  background: transparent;
  border: 1px solid rgba(255, 107, 107, 0.25);
  color: #ff6b6b;
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  font-size: 0.76rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}
.review-delete-btn:hover {
  background: rgba(255, 107, 107, 0.15);
  border-color: #ff6b6b;
  color: #fff;
}


/* ---------- CTA de Hospedagem (Hostinger) — includes/hosting_cta.php ---------- */
.hcta{--hc:#673de6;--hc-2:#8c85ff;position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid rgba(140,133,255,.35);
  background:radial-gradient(420px 220px at 100% 0%,rgba(103,61,230,.35),transparent 70%),linear-gradient(160deg,#171430 0%,#0f1116 70%);
  padding:1.25rem;display:flex;flex-direction:column;gap:.9rem;box-shadow:0 18px 40px -26px rgba(103,61,230,.7)}
.hcta-top{display:flex;align-items:center;justify-content:space-between;gap:.75rem}
.hcta-brand{color:#fff;line-height:0}
.hcta-logo{width:132px;height:auto;display:block}
.hcta-off{flex-shrink:0;background:linear-gradient(135deg,#ffd166,#f5c542);color:#2a2205;font-weight:800;font-size:.78rem;letter-spacing:.02em;padding:.3rem .65rem;border-radius:999px;box-shadow:0 6px 18px -8px rgba(245,197,66,.8)}
.hcta-title{font-size:1.08rem;font-weight:800;color:#fff;line-height:1.3}
.hcta-text{font-size:.85rem;color:#c9c6e6;line-height:1.5;margin-top:.35rem}
.hcta-text b{color:#fff}
.hcta-perks{list-style:none;padding:0;margin-bottom:0;display:flex;flex-direction:column;gap:.35rem;margin-top:.7rem}
.hcta-perks li{display:flex;align-items:center;gap:.5rem;font-size:.8rem;color:#e3e1f7}
.hcta-perks i{color:var(--hc-2);width:1rem;text-align:center}
.hcta-foot{display:flex;flex-direction:column;gap:.5rem}
.hcta-btn{display:flex;align-items:center;justify-content:center;gap:.55rem;background:linear-gradient(135deg,var(--hc),#7d5cf0);color:#fff;font-weight:700;font-size:.92rem;padding:.8rem 1rem;border-radius:var(--r);transition:transform var(--fast) var(--ease),box-shadow var(--fast),filter var(--fast);box-shadow:0 10px 24px -12px rgba(103,61,230,.9)}
.hcta-btn:hover{transform:translateY(-1px);filter:brightness(1.1);box-shadow:0 14px 28px -12px rgba(103,61,230,1)}
.hcta-btn:focus-visible{outline:2px solid var(--hc-2);outline-offset:3px}
.hcta-ext{font-size:.72rem;opacity:.8}
.hcta-note{font-size:.7rem;color:#8f8bb0;text-align:center}
.hcta-partner i{margin-right:.2rem}
/* Faixa horizontal (aula) — quebra sozinha conforme a largura disponível */
.hcta--inline{margin-top:1.5rem;flex-direction:row;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;padding:1.25rem 1.5rem}
.hcta--inline .hcta-top{flex:1 1 100%}
.hcta--inline .hcta-body{flex:999 1 20rem;min-width:0}
.hcta--inline .hcta-perks{flex-direction:row;flex-wrap:wrap;gap:.4rem 1.1rem}
.hcta--inline .hcta-foot{flex:1 1 14rem}

/* Admin — espaçamento abaixo do cabeçalho (título + subtítulo) das páginas */
.admin-content > .row-between:first-of-type,
.admin-content > .stats-header:first-of-type {
  margin-bottom: 1.75rem;
}
.admin-content > .row-between:first-of-type .section-title + .muted,
.admin-content > .stats-header:first-of-type .section-title + .muted {
  max-width: 72ch;
  line-height: 1.55;
}

/* ============================================================
   KPI clássico (rótulo + valor + legenda) — layout em coluna
   Usado em: Suporte, Admin, Moedas, Conquistas, Histórico...
   (o .kpi com .kpi-ic/.kpi-num continua em linha)
   ============================================================ */
.kpi:has(> .lbl){
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0;
  position: relative;
  overflow: hidden;
  padding: 1.25rem 1.35rem 1.3rem;
  transition: border-color .2s ease, transform .2s ease;
}
.kpi:has(> .lbl)::before{
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: .55;
}
.kpi.amber:has(> .lbl)::before{ background: linear-gradient(90deg, var(--amber), transparent 70%); }
.kpi.green:has(> .lbl)::before{ background: linear-gradient(90deg, var(--green), transparent 70%); }
.kpi:has(> .lbl):hover{ border-color: rgba(255,255,255,.14); transform: translateY(-1px); }

.kpi > .lbl{
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); line-height: 1.3;
}
.kpi > .lbl > span{
  width: 2.1rem; height: 2.1rem; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; font-size: .95rem;
  background: rgba(41,195,214,.12); color: var(--accent);
}
.kpi.amber > .lbl > span{ background: rgba(245,197,66,.13); color: var(--amber); }
.kpi.green > .lbl > span{ background: rgba(51,214,159,.13); color: var(--green); }
.kpi > .val{
  font-size: 1.9rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1;
  color: var(--text); margin-top: .7rem;
}
.kpi > .faint, .kpi > .muted{ line-height: 1.45; }
.kpi > .btn{ align-self: flex-start; }

/* Destaque (card de ação) — ex.: Suporte VIP */
.kpi.kpi-feature{
  border-color: rgba(41,195,214,.35);
  background: radial-gradient(120% 140% at 0% 0%, rgba(41,195,214,.14), transparent 55%), var(--surface);
}
.kpi.kpi-feature > .lbl{ color: var(--accent); }
.kpi.kpi-feature > .val{ font-size: 1.4rem; }

/* ============================================================
   Card de Aniversário (dashboard) — só aparece no dia
   ============================================================ */
.bday-card{
  position: relative;
  overflow: hidden;
  margin-bottom: 1.25rem;
  border-radius: var(--r, 18px);
  border: 1px solid rgba(245,197,66,.35);
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(41,195,214,.22), transparent 55%),
    radial-gradient(120% 160% at 100% 100%, rgba(245,197,66,.20), transparent 55%),
    radial-gradient(80% 120% at 60% 0%, rgba(129,140,248,.18), transparent 60%),
    var(--surface, #0f1116);
  box-shadow: 0 18px 50px -20px rgba(245,197,66,.35);
  animation: bdayIn .6s cubic-bezier(.2,.8,.2,1) both;
  transition: opacity .35s ease, transform .35s ease;
}
.bday-card.is-closing{ opacity: 0; transform: translateY(-8px) scale(.98); }
@keyframes bdayIn{ from{ opacity:0; transform: translateY(10px) scale(.985); } to{ opacity:1; transform:none; } }

.bday-inner{
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.6rem 1.75rem;
}
.bday-icon{
  flex: none;
  width: 4.6rem; height: 4.6rem; border-radius: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.1rem; color: #07080c;
  background: linear-gradient(135deg, #29c3d6, #818cf8 55%, #f5c542);
  box-shadow: 0 10px 30px -8px rgba(41,195,214,.6);
  animation: bdayFloat 3.2s ease-in-out infinite;
}
@keyframes bdayFloat{ 0%,100%{ transform: translateY(0) rotate(-3deg); } 50%{ transform: translateY(-5px) rotate(3deg); } }

.bday-body{ min-width: 0; }
.bday-eyebrow{
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber, #f5c542);
}
.bday-title{
  margin: .35rem 0 .45rem;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.15;
  color: #fff;
}
.bday-title span{
  background: linear-gradient(90deg, #29c3d6, #818cf8, #f5c542);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.bday-text{ margin: 0; max-width: 70ch; color: #cbd5e1; line-height: 1.6; font-size: .95rem; }
.bday-text b{ color: #fff; }

.bday-sign{ margin-top: .85rem; display: flex; flex-wrap: wrap; align-items: baseline; gap: .45rem; }
.bday-sign-name{ font-weight: 700; color: #fff; font-size: .95rem; }
.bday-sign-name::before{ content: "— "; color: var(--muted, #9aa2b2); font-weight: 400; }
.bday-sign-role{ font-size: .85rem; color: var(--accent, #29c3d6); }
.bday-mail{ margin: .6rem 0 0; font-size: .8rem; color: var(--muted, #9aa2b2); }
.bday-mail i{ color: var(--accent, #29c3d6); margin-right: .25rem; }

.bday-close{
  position: absolute; top: .7rem; right: .7rem; z-index: 3;
  width: 2rem; height: 2rem; border-radius: 9999px;
  border: 1px solid rgba(255,255,255,.12); background: rgba(7,8,12,.45);
  color: #cbd5e1; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.bday-close:hover{ background: rgba(255,255,255,.1); color: #fff; }

/* Confete em CSS puro */
.bday-confetti{ position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.bday-confetti i{
  position: absolute; top: -12px;
  width: 7px; height: 12px; border-radius: 2px; opacity: .85;
  animation-name: bdayFall; animation-timing-function: linear; animation-iteration-count: infinite;
}
.bday-confetti i:nth-child(3n){ width: 6px; height: 6px; border-radius: 50%; }
@keyframes bdayFall{
  0%{ transform: translateY(-10px) rotate(0deg); opacity: 0; }
  10%{ opacity: .9; }
  100%{ transform: translateY(240px) rotate(540deg); opacity: 0; }
}

@media (max-width: 640px){
  .bday-inner{ flex-direction: column; align-items: flex-start; gap: 1rem; padding: 1.4rem 1.25rem; }
  .bday-icon{ width: 3.6rem; height: 3.6rem; font-size: 1.7rem; border-radius: 1rem; }
}
@media (prefers-reduced-motion: reduce){
  .bday-card, .bday-icon, .bday-confetti i{ animation: none !important; }
  .bday-confetti{ display: none; }
}

/* ============================================================
   Aprend · Mobile App-Experience Global Polish & Safe Areas
   ============================================================ */
@media (max-width: 640px) {
  /* Topbar Mobile */
  .topbar {
    height: 3.85rem;
  }
  .topbar-in {
    height: 3.85rem;
    padding-inline: 0.85rem;
  }
  .brand-ic {
    width: 2.1rem;
    height: 2.1rem;
  }
  .brand b {
    font-size: 1.05rem;
  }
  .top-actions {
    gap: 0.4rem;
  }
  .top-actions .gami {
    padding: 0.3rem 0.55rem;
    font-size: 0.78rem;
  }

  /* Dropdowns em Telas Pequenas */
  .notif-drop {
    position: fixed;
    top: 4.2rem;
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    max-width: calc(100vw - 1.5rem);
    border-radius: 14px;
    box-shadow: 0 15px 45px rgba(0,0,0,0.85);
  }
  .avatar-drop {
    position: fixed;
    top: 4.2rem;
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    max-width: calc(100vw - 1.5rem);
    border-radius: 14px;
    box-shadow: 0 15px 45px rgba(0,0,0,0.85);
  }

  /* Container Geral */
  .container.page {
    padding-inline: 0.85rem;
    padding-top: 1rem;
  }

  /* Cards e Grids */
  .card.pad {
    padding: 1rem;
  }
  .kpi {
    padding: 1rem;
  }
  .kpi-num {
    font-size: 1.4rem;
  }

  /* Modais no Mobile (Markmap, PDF, Vídeo, IDE) */
  .mindmap-modal-card {
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
  }
  .mindmap-hud-bar {
    padding: 0.6rem 0.85rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .mindmap-hud-title {
    font-size: 0.92rem;
  }
  .mindmap-hud-controls {
    gap: 0.35rem;
  }
  .hud-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
  }
  .hud-btn-text {
    display: none;
  }
  .hud-zoom-level {
    font-size: 0.75rem;
    padding: 0 0.3rem;
  }
  .mindmap-tip-toast {
    bottom: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    transform: none;
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
    text-align: center;
  }

  /* Widgets Interativos das Aulas */
  .interactive-widget {
    padding: 1.1rem;
  }
  .interactive-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .widget-pills {
    flex-direction: column;
    width: 100%;
  }
  .widget-pills .btn {
    width: 100%;
    justify-content: flex-start;
  }
}