.biblia-comentario-icone.biblia-comentado {
  background: #d1fae5;
  color: #059669;
  border-color: #34d399;
  font-weight: bold;
  box-shadow: 0 0 0 2px #34d39933;
}
[data-theme="dark"] .biblia-comentario-icone.biblia-comentado {
  background: #134e4a;
  color: #6ee7b7;
  border-color: #10b981;
}
/* =============================
   BÍBLIA — Ícone e Modal
   ============================= */
.biblia-comentario-icone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: 8px;
  border-radius: 50%;
  background: #f1f5ff;
  color: #6366f1;
  cursor: pointer;
  font-size: 1.18em;
  border: 1.5px solid #e5e7eb;
  transition: background .18s, box-shadow .18s;
}
.biblia-comentario-icone:hover {
  background: #e0e7ff;
  box-shadow: 0 2px 8px #6366f133;
}
.biblia-modal-bg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(30,34,60,0.32);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.biblia-modal {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px #232c4340;
  padding: 28px 22px 18px 22px;
  min-width: 320px;
  max-width: 98vw;
  width: 420px;
  position: relative;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.biblia-modal-fechar {
  position: absolute;
  top: 10px; right: 14px;
  font-size: 1.3em;
  color: #64748b;
  background: none;
  border: none;
  cursor: pointer;
  transition: color .18s;
}
.biblia-modal-fechar:hover {
  color: #ef4444;
}
.biblia-modal-titulo {
  font-weight: 600;
  font-size: 1.08em;
  margin-bottom: 2px;
}
.biblia-modal .biblia-comentario {
  min-height: 70px;
  font-size: 1.08em;
}
.biblia-modal .biblia-comentario-status {
  margin-top: 4px;
}
@media (max-width: 600px) {
  .biblia-modal { min-width: 0; width: 98vw; padding: 16px 6vw 12px 6vw; }
}
[data-theme="dark"] .biblia-modal {
  background: #181f2e;
  color: #e0e7ef;
}
/* ============================================================
   BÍBLIA DIGITAL — Versículos e Comentários
   ============================================================ */
.biblia-versiculo-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--color-border,#e5e7eb);
  border-radius: var(--radius-md,8px);
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
  margin-bottom: 18px;
  padding: 18px 20px 14px 20px;
  transition: box-shadow .2s;
}
.biblia-versiculo-card:hover {
  box-shadow: 0 4px 16px rgba(99,102,241,.08);
}
.biblia-versiculo-texto {
  flex: 2;
  font-size: 1.08em;
  line-height: 1.7;
  color: var(--color-text);
}
.biblia-versiculo-num {
  color: var(--color-primary,#6366f1);
  font-weight: 600;
  margin-right: 6px;
  font-size: 1em;
}
.biblia-comentario-box {
  flex: 1;
  min-width: 180px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.biblia-comentario {
  width: 100%;
  min-height: 48px;
  border: 1.5px solid var(--color-border,#e5e7eb);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 1em;
  background: var(--color-bg,#f8fafc);
  resize: vertical;
  transition: border .2s, box-shadow .2s;
  box-shadow: 0 1px 2px rgba(99,102,241,.03);
}
.biblia-comentario:focus {
  border-color: var(--color-primary,#6366f1);
  outline: none;
  box-shadow: 0 0 0 2px #6366f133;
}
.biblia-comentario-status {
  font-size: .97em;
  color: var(--color-success,#16a34a);
  margin-top: 2px;
}
@media (max-width: 700px) {
  .biblia-versiculo-card { flex-direction: column; gap: 10px; padding: 14px 10px; }
  .biblia-comentario-box { max-width: 100%; }
}
[data-theme="dark"] .biblia-versiculo-card {
  background: #181f2e;
  border-color: #232c43;
}
[data-theme="dark"] .biblia-comentario {
  background: #232c43;
  color: #e0e7ef;
  border-color: #334155;
}
[data-theme="dark"] .biblia-comentario:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 2px #6366f155;
}
/* ============================================================
   ESCOLA BÍBLICA — Sistema Web
   Estrutura CSS Organizada
   ============================================================

   ÍNDICE:
   1.  Reset & Base
   2.  Variáveis (Custom Properties)
   3.  Tipografia
   4.  Layout & Grid
   5.  Componentes — Botões
   6.  Componentes — Formulários
   7.  Componentes — Cards
   8.  Componentes — Tabelas
   9.  Componentes — Modais
   10. Componentes — Alertas / Notificações
   11. Navegação (Header / Navbar / Sidebar)
   12. Páginas — Autenticação (Login)
   13. Páginas — Dashboard
   14. Utilitários
   15. Responsividade
   ============================================================ */


/* ============================================================
   1. RESET & BASE
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-md);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

img,
video {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}


/* ============================================================
   2. VARIÁVEIS (Custom Properties)
   ============================================================ */

:root {
  /* --- Cores principais --- */
  --color-primary:        #6366f1;
  --color-primary-dark:   #4f46e5;
  --color-primary-light:  #eef2ff;
  --color-primary-50:     #eef2ff;
  --color-primary-100:    #e0e7ff;
  --color-primary-600:    #6366f1;
  --color-primary-700:    #4f46e5;

  --color-secondary:      #8b5cf6;
  --color-secondary-dark: #7c3aed;

  --color-success:        #10b981;
  --color-success-light:  #ecfdf5;
  --color-warning:        #f59e0b;
  --color-warning-light:  #fffbeb;
  --color-danger:         #ef4444;
  --color-danger-light:   #fef2f2;
  --color-info:           #0ea5e9;
  --color-info-light:     #f0f9ff;

  /* --- Tons neutros --- */
  --color-white:   #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100:#f1f5f9;
  --color-gray-200:#e2e8f0;
  --color-gray-300:#cbd5e1;
  --color-gray-400:#94a3b8;
  --color-gray-500:#64748b;
  --color-gray-600:#475569;
  --color-gray-700:#334155;
  --color-gray-800:#1e293b;
  --color-gray-900:#0f172a;

  /* --- Semânticas --- */
  --color-bg:           #edf0f7;
  --color-bg-card:      var(--color-white);
  --color-text:         var(--color-gray-800);
  --color-text-muted:   var(--color-gray-500);
  --color-border:       var(--color-gray-200);

  /* --- Tipografia --- */
  --font-base:    'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-md:   1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */

  /* --- Espaçamentos --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* --- Bordas --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* --- Sombras --- */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.1), 0 4px 10px -4px rgba(0,0,0,.06);
  --shadow-xl: 0 20px 40px -8px rgba(0,0,0,.12), 0 8px 16px -6px rgba(0,0,0,.08);
  --shadow-colored: 0 4px 16px -3px rgba(99,102,241,.3);

  /* --- Transições --- */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* --- Layout --- */
  --sidebar-width:     272px;
  --header-height:     64px;
  --content-max-width: 1360px;

  /* --- Surface (usada por componentes) --- */
  --color-surface: var(--color-white);

  /* --- Hover states --- */
  --color-bg-hover: rgba(0,0,0,.03);
  --color-bg-muted: var(--color-gray-100);

  /* --- Categoria calendário / dashboard --- */
  --cat-geral-bg:   #eff6ff; --cat-geral-text:   #1d4ed8; --cat-geral-dot:   #2563eb;
  --cat-aula-bg:    #f0fdf4; --cat-aula-text:    #166534; --cat-aula-dot:    #16a34a;
  --cat-evento-bg:  #fff7ed; --cat-evento-text:  #c2410c; --cat-evento-dot:  #f97316;
  --cat-reuniao-bg: #faf5ff; --cat-reuniao-text: #6d28d9; --cat-reuniao-dot: #7c3aed;
  --cat-urgente-bg: #fef2f2; --cat-urgente-text: #991b1b; --cat-urgente-dot: #dc2626;

  /* --- Trimestre cores --- */
  --trim1-cor: #1d4ed8; --trim1-bg: #eff6ff; --trim1-borda: #bfdbfe;
  --trim2-cor: #166534; --trim2-bg: #f0fdf4; --trim2-borda: #bbf7d0;
  --trim3-cor: #92400e; --trim3-bg: #fffbeb; --trim3-borda: #fde68a;
  --trim4-cor: #6b21a8; --trim4-bg: #fdf4ff; --trim4-borda: #e9d5ff;

  /* --- Frequência bg --- */
  --freq-high-bg: #dcfce7; --freq-mid-bg: #fef9c3; --freq-low-bg: #fee2e2;
  --color-green-50: #f0fdf4;
}

/* ─── MODO NOTURNO ────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:           #0f172a;
  --color-surface:      #1e293b;
  --color-bg-card:      #1e293b;
  --color-text:         #e2e8f0;
  --color-text-muted:   #94a3b8;
  --color-border:       #334155;

  --color-gray-50:  #1e293b;
  --color-gray-100: #334155;
  --color-gray-200: #475569;
  --color-gray-300: #64748b;
  --color-gray-400: #94a3b8;
  --color-gray-500: #cbd5e1;
  --color-gray-600: #e2e8f0;
  --color-gray-700: #f1f5f9;
  --color-gray-800: #f8fafc;
  --color-gray-900: #ffffff;

  --color-primary-light: #1e3a5f;
  --color-primary-50:    #1e3a5f;
  --color-primary-100:   #1e3a5f;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.35);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.4), 0 4px 6px rgba(0,0,0,.3);
  --shadow-colored: 0 4px 14px -3px rgba(99,102,241,.35);

  /* --- Categoria calendário / dashboard (dark) --- */
  --cat-geral-bg:   rgba(37,99,235,.12); --cat-geral-text:   #93c5fd; --cat-geral-dot:   #60a5fa;
  --cat-aula-bg:    rgba(22,163,74,.12); --cat-aula-text:    #86efac; --cat-aula-dot:    #4ade80;
  --cat-evento-bg:  rgba(249,115,22,.12); --cat-evento-text:  #fdba74; --cat-evento-dot:  #fb923c;
  --cat-reuniao-bg: rgba(124,58,237,.12); --cat-reuniao-text: #c4b5fd; --cat-reuniao-dot: #a78bfa;
  --cat-urgente-bg: rgba(239,68,68,.12); --cat-urgente-text: #fca5a5; --cat-urgente-dot: #f87171;

  /* --- Trimestre cores (dark) --- */
  --trim1-cor: #93c5fd; --trim1-bg: rgba(37,99,235,.12); --trim1-borda: rgba(37,99,235,.25);
  --trim2-cor: #86efac; --trim2-bg: rgba(22,163,74,.12); --trim2-borda: rgba(22,163,74,.25);
  --trim3-cor: #fcd34d; --trim3-bg: rgba(245,158,11,.12); --trim3-borda: rgba(245,158,11,.25);
  --trim4-cor: #c4b5fd; --trim4-bg: rgba(124,58,237,.12); --trim4-borda: rgba(124,58,237,.25);

  /* --- Frequência bg (dark) --- */
  --freq-high-bg: rgba(22,163,74,.15); --freq-mid-bg: rgba(245,158,11,.15); --freq-low-bg: rgba(239,68,68,.15);
  --color-green-50: rgba(22,163,74,.1);

  /* --- Semantic light variants (dark) --- */
  --color-success-light: rgba(16,185,129,.12);
  --color-warning-light: rgba(245,158,11,.12);
  --color-danger-light:  rgba(239,68,68,.12);
  --color-info-light:    rgba(14,165,233,.12);

  /* --- Hover / bg-muted (dark) --- */
  --color-bg-hover: rgba(255,255,255,.04);
  --color-bg-muted: #334155;
  --color-white: #1e293b;
}

[data-theme="dark"] body          { background-color: var(--color-bg); color: var(--color-text); }
[data-theme="dark"] .sidebar      { background: linear-gradient(180deg, #0f172a 0%, #1a2744 50%, #1e293b 100%); border-color: #334155; }
[data-theme="dark"] .sidebar__logo { border-color: rgba(255,255,255,.06); }
[data-theme="dark"] .sidebar__link,
[data-theme="dark"] .sidebar__group-label,
[data-theme="dark"] .sidebar__submenu-link { color: #cbd5e1; }
[data-theme="dark"] .sidebar__link:hover,
[data-theme="dark"] .sidebar__submenu-link:hover { background: #334155; color: #f1f5f9; }
[data-theme="dark"] .sidebar__link.active,
[data-theme="dark"] .sidebar__submenu-link.active { background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%); color: #fff; box-shadow: 0 2px 12px -2px rgba(99,102,241,.5); }
[data-theme="dark"] .header        { background: rgba(15,23,42,.85); backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%); border-color: #334155; }
[data-theme="dark"] .card          { background: var(--color-surface); border-color: var(--color-border); }
[data-theme="dark"] .card-header   { border-color: var(--color-border); background: rgba(255,255,255,.03); }
[data-theme="dark"] .table th      { background: rgba(255,255,255,.04); color: #94a3b8; border-color: var(--color-border); }
[data-theme="dark"] .table td      { border-color: var(--color-border); color: var(--color-text); }
[data-theme="dark"] .table tr:hover td { background: rgba(99,102,241,.06); }
[data-theme="dark"] .form-control  { background: #0f172a; border-color: #475569; color: var(--color-text); }
[data-theme="dark"] .form-control:hover:not(:focus):not(:disabled) { border-color: #64748b; }
[data-theme="dark"] .form-control:focus { border-color: var(--color-primary); background: #0f172a; box-shadow: 0 0 0 3px rgba(99,102,241,.2); }
[data-theme="dark"] .modal         { background: #1e293b; box-shadow: 0 24px 48px -12px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.05); }
[data-theme="dark"] .modal-header  { border-color: #334155; }
[data-theme="dark"] .modal-footer  { border-color: #334155; }
[data-theme="dark"] .table-wrapper { background: var(--color-surface); border-color: var(--color-border); }
[data-theme="dark"] .stat-card     { background: var(--color-surface); border-color: var(--color-border); }
[data-theme="dark"] .stat-card:hover { border-color: #475569; }
[data-theme="dark"] .stat-card::before { background: linear-gradient(90deg, var(--stat-accent, var(--color-primary)) 0%, transparent 100%); }
[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,
[data-theme="dark"] h4,[data-theme="dark"] h5,[data-theme="dark"] h6 { color: #f1f5f9; }
[data-theme="dark"] .page-title    { color: #f1f5f9; }
[data-theme="dark"] .page-subtitle { color: var(--color-text-muted); }
[data-theme="dark"] .btn-secondary { background: #334155; color: #e2e8f0; border-color: #475569; }
[data-theme="dark"] .btn-secondary:hover { background: #3f4f66; border-color: #64748b; }
[data-theme="dark"] .btn-ghost     { color: #cbd5e1; }
[data-theme="dark"] .btn-ghost:hover { background: #334155; }
[data-theme="dark"] .badge-primary { background: rgba(99,102,241,.15); color: #a5b4fc; border-color: rgba(99,102,241,.1); }
[data-theme="dark"] .badge-success { background: rgba(16,185,129,.15); color: #6ee7b7; border-color: rgba(16,185,129,.1); }
[data-theme="dark"] .badge-warning { background: rgba(245,158,11,.15); color: #fcd34d; border-color: rgba(245,158,11,.1); }
[data-theme="dark"] .badge-danger  { background: rgba(239,68,68,.15); color: #fca5a5; border-color: rgba(239,68,68,.1); }
[data-theme="dark"] .badge-info    { background: rgba(14,165,233,.15); color: #7dd3fc; border-color: rgba(14,165,233,.1); }
[data-theme="dark"] .sidebar-overlay { background: rgba(0,0,0,.7); }
[data-theme="dark"] .trim-header   { filter: brightness(.85); }
[data-theme="dark"] .cron-turma-header { background: #4338ca; }
[data-theme="dark"] .icon-bg-blue   { background: rgba(99,102,241,.15); color: #a5b4fc; }
[data-theme="dark"] .icon-bg-purple { background: rgba(124,58,237,.15); color: #c4b5fd; }
[data-theme="dark"] .icon-bg-green  { background: rgba(16,185,129,.15); color: #6ee7b7; }
[data-theme="dark"] .icon-bg-orange { background: rgba(234,88,12,.15); color: #fdba74; }
[data-theme="dark"] .trend-up   { background: rgba(16,185,129,.12); color: #6ee7b7; }
[data-theme="dark"] .trend-down { background: rgba(239,68,68,.12); color: #fca5a5; }
[data-theme="dark"] .progress-bar { background-color: #334155; }
[data-theme="dark"] .progress-bar__fill { background: linear-gradient(90deg, #6366f1 0%, #818cf8 100%); }
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); }
[data-theme="dark"] .card-footer { background-color: rgba(255,255,255,.03); border-color: var(--color-border); }
[data-theme="dark"] .alert-success { background: rgba(16,185,129,.1);  color: #6ee7b7; border-color: rgba(16,185,129,.2); border-left-color: #10b981; }
[data-theme="dark"] .alert-warning { background: rgba(245,158,11,.1);  color: #fcd34d; border-color: rgba(245,158,11,.2); border-left-color: #f59e0b; }
[data-theme="dark"] .alert-danger  { background: rgba(239,68,68,.1);   color: #fca5a5; border-color: rgba(239,68,68,.2);  border-left-color: #ef4444; }
[data-theme="dark"] .alert-info    { background: rgba(14,165,233,.1);  color: #7dd3fc; border-color: rgba(14,165,233,.2); border-left-color: #0ea5e9; }
[data-theme="dark"] .auth-page     { background: linear-gradient(135deg, #020617 0%, #0f172a 50%, #020617 100%); }
[data-theme="dark"] .auth-card     { background: #1e293b; border-color: #334155; box-shadow: 0 24px 48px -12px rgba(0,0,0,.5); }
[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,.65); }
[data-theme="dark"] .form-label    { color: var(--color-text); }
[data-theme="dark"] .form-error    { color: #fca5a5; }
[data-theme="dark"] select.form-control option { background: #1e293b; color: var(--color-text); }

/* ─── Toggle switch de configurações ─────────────────── */
.cfg-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  flex-shrink: 0;
}
.cfg-toggle input { display: none; }
.cfg-toggle__track {
  width: 48px;
  height: 26px;
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  position: relative;
  transition: background 200ms cubic-bezier(.4,0,.2,1);
}
.cfg-toggle input:checked + .cfg-toggle__track {
  background: #6366f1;
  box-shadow: 0 0 0 2px rgba(99,102,241,.2);
}
.cfg-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  transition: left 200ms cubic-bezier(.4,0,.2,1);
}
.cfg-toggle input:checked + .cfg-toggle__track .cfg-toggle__thumb {
  left: 25px;
}


/* ============================================================
   3. TIPOGRAFIA
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

small { font-size: var(--text-sm); }

.text-muted  { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger  { color: var(--color-danger); }


/* ============================================================
   4. LAYOUT & GRID
   ============================================================ */

.app-wrapper {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding-top: var(--header-height);
  transition: margin-left var(--transition-normal);
}

.page {
  padding: var(--space-6) var(--space-8);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Grid de colunas genérico */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex helpers */
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }


/* ============================================================
   5. COMPONENTES — BOTÕES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 180ms cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
  user-select: none;
  position: relative;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

/* Variantes */
.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-colored), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
  color: var(--color-white);
  box-shadow: 0 8px 24px -4px rgba(99,102,241,.4), inset 0 1px 0 rgba(255,255,255,.15);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-gray-700);
  border-color: var(--color-gray-200);
  box-shadow: var(--shadow-xs), inset 0 1px 0 rgba(255,255,255,.8);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px -3px rgba(16,185,129,.3), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -4px rgba(16,185,129,.35);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px -3px rgba(245,158,11,.3), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-warning:hover:not(:disabled) {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -4px rgba(245,158,11,.35);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: var(--color-white);
  box-shadow: 0 4px 14px -3px rgba(239,68,68,.3), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -4px rgba(239,68,68,.35);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-gray-600);
}
.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

/* Tamanhos */
.btn-sm { padding: 0.3rem 0.75rem; font-size: var(--text-xs); border-radius: 6px; }
.btn-lg { padding: 0.625rem 1.5rem; font-size: var(--text-md); }


/* ============================================================
   6. COMPONENTES — FORMULÁRIOS
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
}

.form-control {
  width: 100%;
  padding: 0.5625rem 0.875rem;
  font-size: var(--text-sm);
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color 180ms cubic-bezier(.4,0,.2,1),
              box-shadow 180ms cubic-bezier(.4,0,.2,1),
              background-color 180ms cubic-bezier(.4,0,.2,1);
}

.form-control:hover:not(:focus):not(:disabled) {
  border-color: var(--color-gray-300);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-xs);
  background-color: var(--color-white);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-control.is-valid {
  border-color: var(--color-success, #16a34a);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 1.2em;
  transition: color .15s;
}

.form-error.form-success {
  color: var(--color-success, #16a34a);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2364748b' d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}


/* ============================================================
   7. COMPONENTES — CARDS
   ============================================================ */

.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(0,0,0,.02);
  overflow: hidden;
  transition: box-shadow 250ms cubic-bezier(.4,0,.2,1), border-color 250ms cubic-bezier(.4,0,.2,1);
}

.card:hover {
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(0,0,0,.03);
  border-color: var(--color-gray-300);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-gray-50) 0%, rgba(248,250,252,.5) 100%);
}

.card-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-gray-50);
}

/* Card de estatística (dashboard) */
.stat-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(0,0,0,.02);
  transition: all 250ms cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--stat-accent, var(--color-primary)) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 250ms cubic-bezier(.4,0,.2,1);
}

.stat-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.stat-card__value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-gray-900);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-card__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


/* ============================================================
   8. COMPONENTES — TABELAS
   ============================================================ */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(0,0,0,.02);
  background: var(--color-white);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table thead {
  background-color: var(--color-gray-50);
}

.table th {
  padding: 0.625rem var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table td {
  padding: 0.75rem var(--space-4);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background-color: rgba(99,102,241,.03);
}

.table tbody tr {
  transition: background-color 120ms ease;
}

.table-striped tbody tr:nth-child(even) {
  background-color: rgba(0,0,0,.015);
}


/* ============================================================
   9. COMPONENTES — MODAIS
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: overlay-in 200ms ease;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 48px -12px rgba(0,0,0,.2), 0 0 0 1px rgba(0,0,0,.05);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 300ms cubic-bezier(0.32, 0.72, 0, 1);
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(-20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0)     scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-400);
  font-size: 1.25rem;
  line-height: 1;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all 150ms cubic-bezier(.4,0,.2,1);
}

.modal-close:hover { color: var(--color-gray-700); background: var(--color-gray-100); }

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}


/* ============================================================
   10. COMPONENTES — ALERTAS / NOTIFICAÇÕES
   ============================================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid transparent;
  border-left: 4px solid transparent;
  line-height: 1.5;
}

.alert-success {
  background-color: rgba(16,185,129,.08);
  border-color: rgba(16,185,129,.2);
  border-left-color: #10b981;
  color: #065f46;
}

.alert-warning {
  background-color: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.2);
  border-left-color: #f59e0b;
  color: #92400e;
}

.alert-danger {
  background-color: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.2);
  border-left-color: #ef4444;
  color: #991b1b;
}

.alert-info {
  background-color: rgba(14,165,233,.08);
  border-color: rgba(14,165,233,.2);
  border-left-color: #0ea5e9;
  color: #1e40af;
}

/* Badge / Tag */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  line-height: 1.4;
  border: 1px solid transparent;
}

.badge-primary { background-color: rgba(99,102,241,.1); color: #4f46e5; border-color: rgba(99,102,241,.15); }
.badge-success { background-color: rgba(16,185,129,.1); color: #059669; border-color: rgba(16,185,129,.15); }
.badge-warning { background-color: rgba(245,158,11,.1); color: #b45309; border-color: rgba(245,158,11,.15); }
.badge-danger  { background-color: rgba(239,68,68,.1); color: #dc2626; border-color: rgba(239,68,68,.15); }
.badge-info    { background-color: rgba(14,165,233,.1); color: #0369a1; border-color: rgba(14,165,233,.15); }


/* ============================================================
   11. NAVEGAÇÃO — HEADER / NAVBAR / SIDEBAR
   ============================================================ */

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  z-index: 100;
  transition: left var(--transition-normal);
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.header__title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-gray-800);
  letter-spacing: -0.01em;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Avatar header wrapper */
.header-avatar-wrap {
  position: relative;
}

.header-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  cursor: pointer;
  transition: box-shadow 150ms ease, transform 150ms ease;
  border: 2px solid transparent;
}

.header-avatar-img:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
  transform: scale(1.05);
}

/* Profile popover */
.profile-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 300px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px -8px rgba(0,0,0,.15), 0 0 0 1px rgba(0,0,0,.03);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.97);
  transition: all 200ms cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}

.profile-popover.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.profile-popover__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  background: linear-gradient(135deg, rgba(99,102,241,.06) 0%, rgba(139,92,246,.04) 100%);
  border-bottom: 1px solid var(--color-border);
}

.profile-popover__avatar img,
.profile-popover__avatar .avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
}

.profile-popover__info {
  flex: 1;
  min-width: 0;
}

.profile-popover__name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-popover__email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.profile-popover__stats {
  padding: var(--space-3) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.profile-popover__stat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
}

.profile-popover__stat svg {
  flex-shrink: 0;
}

.profile-popover__stat-value {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-900);
  line-height: 1.3;
}

.profile-popover__stat-label {
  display: block;
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.profile-popover__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-gray-50);
}

/* Dark mode popover */
[data-theme="dark"] .profile-popover {
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: 0 20px 40px -8px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.05);
}

[data-theme="dark"] .profile-popover__header {
  background: rgba(99,102,241,.08);
  border-color: var(--color-border);
}

[data-theme="dark"] .profile-popover__name { color: #f1f5f9; }
[data-theme="dark"] .profile-popover__stat-value { color: #f1f5f9; }
[data-theme="dark"] .profile-popover__footer { background: rgba(255,255,255,.03); border-color: var(--color-border); }
[data-theme="dark"] .header-avatar-img:hover { border-color: #818cf8; box-shadow: 0 0 0 3px rgba(99,102,241,.25); }

/* --- Notification Popover --- */
.notif-wrap { position: relative; }
.notif-badge {
  position: absolute; top: 2px; right: 2px;
  min-width: 16px; height: 16px;
  padding: 0 4px;
  background: var(--color-danger); color: #fff;
  border-radius: 999px;
  font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
  pointer-events: none;
}
.notif-popover {
  position: absolute; top: calc(100% + 8px); right: 0;
  width: 340px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,.15), 0 4px 12px rgba(0,0,0,.08);
  opacity: 0; visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s, visibility .2s, transform .2s;
  z-index: 1000;
  overflow: hidden;
}
.notif-popover.open { opacity: 1; visibility: visible; transform: translateY(0); }
.notif-popover__header {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px;
  font-weight: 700; font-size: var(--text-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--color-border);
  background: rgba(99,102,241,.04);
}
.notif-popover__body {
  max-height: 320px; overflow-y: auto;
  padding: 8px;
}
.notif-popover__loading,
.notif-popover__empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 32px 16px;
  color: var(--text-tertiary); font-size: var(--text-sm);
  text-align: center;
}
.notif-aula-card {
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background .15s;
}
.notif-aula-card:hover { background: rgba(99,102,241,.06); }
.notif-aula-card + .notif-aula-card { border-top: 1px solid var(--color-border); }
.notif-aula-card__date {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.notif-aula-card__title {
  font-size: var(--text-sm); font-weight: 600; color: var(--text-primary);
  margin-bottom: 4px;
}
.notif-aula-card__meta {
  display: flex; flex-wrap: wrap; gap: 10px;
  font-size: 12px; color: var(--text-secondary);
}

/* Dark mode */
[data-theme="dark"] .notif-popover {
  background: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: 0 20px 40px rgba(0,0,0,.45), 0 4px 12px rgba(0,0,0,.3);
}
[data-theme="dark"] .notif-popover__header {
  background: rgba(99,102,241,.08);
  border-color: var(--color-border);
}
[data-theme="dark"] .notif-aula-card:hover { background: rgba(99,102,241,.1); }
[data-theme="dark"] .notif-aula-card__title { color: #f1f5f9; }

.notif-popover__footer {
  padding: 10px 12px;
  border-top: 1px solid var(--color-border);
  background: rgba(99,102,241,.03);
}
.notif-aula-card--read {
  opacity: .5;
}
.notif-aula-card--read .notif-aula-card__date { color: var(--text-tertiary); }

[data-theme="dark"] .notif-popover__footer { background: rgba(255,255,255,.03); border-color: var(--color-border); }

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, #0f172a 0%, #1a2744 50%, #1e293b 100%);
  color: var(--color-gray-100);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  z-index: 200;
  transition: transform var(--transition-normal);
  border-right: 1px solid rgba(255,255,255,.06);
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.01em;
  background: rgba(255,255,255,.02);
}

.sidebar__nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
}

.sidebar__section-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  padding: var(--space-3) var(--space-3) var(--space-1);
}

.sidebar__link {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: 0.5rem var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-400);
  transition: all 150ms cubic-bezier(.4,0,.2,1);
  margin-bottom: 2px;
  box-sizing: border-box;
  line-height: 1.4;
  position: relative;
}

.sidebar__link:hover {
  background-color: rgba(255,255,255,.08);
  color: var(--color-white);
}

.sidebar__link.active {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: var(--color-white);
  box-shadow: 0 2px 12px -2px rgba(99,102,241,.5);
  font-weight: 600;
}


/* ============================================================
   12. PÁGINAS — AUTENTICAÇÃO (LOGIN)
   ============================================================ */

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e2d4a 50%, #0f172a 100%);
  padding: var(--space-4);
}

.auth-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 48px -12px rgba(0,0,0,.3), 0 0 0 1px rgba(255,255,255,.08);
  padding: var(--space-10);
  width: 100%;
  max-width: 420px;
  border: 1px solid rgba(255,255,255,.08);
  animation: modal-in 500ms cubic-bezier(0.32, 0.72, 0, 1);
}

.auth-card__logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-8);
  letter-spacing: -0.03em;
}


/* ============================================================
   13. PÁGINAS — DASHBOARD
   ============================================================ */

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .15s;
}
.breadcrumb a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.breadcrumb__sep {
  font-size: 10px;
  opacity: .45;
  user-select: none;
}
.breadcrumb__current {
  color: var(--color-text);
  font-weight: 500;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-gray-900);
  letter-spacing: -0.03em;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}


/* ============================================================
   14. UTILITÁRIOS
   ============================================================ */

/* Visibilidade */
.hidden   { display: none !important; }
.visible  { visibility: visible; }
.invisible { visibility: hidden; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }

/* Bordas arredondadas */
.rounded-sm   { border-radius: var(--radius-sm); }
.rounded-md   { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Sombras */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Espaçamentos rápidos */
.mt-4  { margin-top:    var(--space-4); }
.mb-4  { margin-bottom: var(--space-4); }
.mt-8  { margin-top:    var(--space-8); }
.mb-8  { margin-bottom: var(--space-8); }
.p-4   { padding: var(--space-4); }
.p-6   { padding: var(--space-6); }

/* Largura */
.w-full  { width: 100%; }
.w-auto  { width: auto; }

/* Alinhamento de texto */
.text-left   { text-align: left; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* Peso da fonte */
.font-normal  { font-weight: 400; }
.font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold    { font-weight: 700; }

/* Divisor */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

/* Spinner de carregamento */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }

}

/* Smooth page transitions */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page {
  animation: fadeInUp 350ms cubic-bezier(0.22, 1, 0.36, 1);
}


/* ============================================================
   15. SKELETON LOADING
   ============================================================ */

@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.sk {
  display: inline-block;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg,
    var(--sk-base, #e5e7eb) 25%,
    var(--sk-shine, #f3f4f6) 50%,
    var(--sk-base, #e5e7eb) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  height: 1em;
  vertical-align: middle;
}

/* Row of skeleton items */
.sk-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

/* Circle (avatar placeholders) */
.sk-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Common widths */
.sk-w-full  { width: 100%; }
.sk-w-3\/4  { width: 75%; }
.sk-w-1\/2  { width: 50%; }
.sk-w-1\/3  { width: 33%; }
.sk-w-1\/4  { width: 25%; }
.sk-w-20    { width: 80px; }
.sk-w-16    { width: 64px; }

/* Heights */
.sk-h-4     { height: 16px; }
.sk-h-5     { height: 20px; }
.sk-h-8     { height: 32px; }
.sk-h-20    { height: 80px; }

/* Stat card skeleton */
.sk-card {
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

/* Dashboard card body skeleton */
.sk-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4);
}

/* Section skeleton (temas/cronograma) */
.sk-section {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

/* Dark mode overrides */
[data-theme="dark"] .sk {
  --sk-base:  #334155;
  --sk-shine: #475569;
}

[data-theme="dark"] .sk-card,
[data-theme="dark"] .sk-section {
  background: var(--color-bg-secondary);
  border-color: var(--color-border);
}

/* ============================================================
   15b. CERTIFICADOS
   ============================================================ */

/* ── Tabela de resultados ── */
.cert-table { width:100%; border-collapse:collapse; font-size:var(--text-sm); }
.cert-table th,
.cert-table td { padding:var(--space-2) var(--space-3); text-align:left; border-bottom:1px solid var(--color-border); }
.cert-table th { background:var(--color-bg-secondary); font-weight:600; white-space:nowrap; }
.cert-table tbody tr:hover { background:var(--color-bg-hover); }

.cert-conceito { display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-full);font-weight:700;font-size:var(--text-xs);color:#fff; }
.cert-conceito--A { background:#16a34a; }
.cert-conceito--B { background:#2563eb; }
.cert-conceito--C { background:#d97706; }
.cert-conceito--D { background:#dc2626; }

/* ── Certificado de impressão ── */
.cert-print {
  background:#fff;
  color:#1e293b;
  width:100%;
  max-width:800px;
  margin:0 auto;
  border:4px double #b8860b;
  border-radius:12px;
  padding:40px 48px;
  font-family:'Georgia', 'Times New Roman', serif;
  text-align:center;
  position:relative;
}
.cert-print__border {
  border:2px solid #b8860b;
  border-radius:8px;
  padding:32px;
}
.cert-print__logo {
  width:72px;
  height:72px;
  object-fit:contain;
  margin-bottom:12px;
}
.cert-print__title {
  font-size:28px;
  font-weight:700;
  color:#b8860b;
  margin:0 0 4px;
  letter-spacing:1px;
  text-transform:uppercase;
}
.cert-print__subtitle {
  font-size:14px;
  color:#64748b;
  margin:0 0 20px;
}
.cert-print__body {
  font-size:16px;
  line-height:1.8;
  margin-bottom:24px;
}
.cert-print__name {
  font-size:24px;
  font-weight:700;
  color:#1e293b;
  border-bottom:2px solid #b8860b;
  display:inline-block;
  padding-bottom:2px;
  margin:8px 0 12px;
}
.cert-print__stats {
  display:flex;
  justify-content:center;
  gap:32px;
  margin:20px 0;
  flex-wrap:wrap;
}
.cert-print__stat {
  text-align:center;
}
.cert-print__stat-value {
  font-size:22px;
  font-weight:700;
  color:#b8860b;
}
.cert-print__stat-label {
  font-size:11px;
  color:#64748b;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.cert-print__footer {
  margin-top:28px;
  display:flex;
  justify-content:space-around;
  gap:24px;
}
.cert-print__sign {
  text-align:center;
  flex:1;
}
.cert-print__sign-line {
  border-top:1px solid #1e293b;
  width:180px;
  margin:0 auto 4px;
}
.cert-print__sign-label {
  font-size:11px;
  color:#64748b;
}
.cert-print__date {
  font-size:12px;
  color:#64748b;
  margin-top:12px;
}
.cert-print__watermark {
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) rotate(-30deg);
  font-size:80px;
  font-weight:700;
  color:rgba(184,134,11,0.06);
  pointer-events:none;
  white-space:nowrap;
}

/* Impressão */
@media print {
  body * { visibility:hidden !important; }
  #cert-print-area,
  #cert-print-area * { visibility:visible !important; }
  #cert-print-area {
    position:fixed; left:0; top:0; width:100%;
    -webkit-print-color-adjust:exact; print-color-adjust:exact;
  }
  .cert-print { border-width:3px; max-width:100%; }
}

/* ============================================================
   15c. VENDAS DE REVISTAS
   ============================================================ */

/* Abas */
.vd-tabs { display:flex; gap:2px; border-bottom:2px solid var(--color-border); }
.vd-tab {
  padding:var(--space-2) var(--space-4);
  font-size:var(--text-sm);
  font-weight:600;
  background:none;
  border:none;
  color:var(--color-text-muted);
  cursor:pointer;
  border-bottom:2px solid transparent;
  margin-bottom:-2px;
  transition:color .15s, border-color .15s;
}
.vd-tab:hover { color:var(--color-text); }
.vd-tab.active { color:var(--color-primary); border-bottom-color:var(--color-primary); }

/* Tabela de vendas */
.vd-table { width:100%; border-collapse:collapse; font-size:var(--text-sm); }
.vd-table th,
.vd-table td { padding:var(--space-2) var(--space-3); text-align:left; border-bottom:1px solid var(--color-border); }
.vd-table th { background:var(--color-bg-secondary); font-weight:600; white-space:nowrap; }
.vd-table tbody tr:hover { background:var(--color-bg-hover); }

/* Badge de status */
.vd-badge { display:inline-block; padding:2px 10px; border-radius:var(--radius-full); font-size:var(--text-xs); font-weight:600; }
.vd-badge--pago  { background:#dcfce7; color:#15803d; }
.vd-badge--fiado { background:#fef3c7; color:#b45309; }
[data-theme="dark"] .vd-badge--pago  { background:rgba(22,163,74,.2); color:#4ade80; }
[data-theme="dark"] .vd-badge--fiado { background:rgba(217,119,6,.2); color:#fbbf24; }

/* Forma de pagamento icons */
.vd-forma { display:inline-flex; align-items:center; gap:4px; font-size:var(--text-xs); color:var(--color-text-muted); }


/* ============================================================
   16. RESPONSIVIDADE
   ============================================================ */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile (≤ 768px) */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .header {
    left: 0;
  }

  .page {
    padding: var(--space-4);
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .modal {
    max-width: 100%;
    margin: var(--space-4);
    border-radius: var(--radius-lg);
  }
}

/* Mobile pequeno (≤ 480px) */
@media (max-width: 480px) {
  :root {
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.25rem;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ============================================================
   16. ÍCONES SVG
   ============================================================ */

.icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
}


/* ============================================================
   17. SIDEBAR — ACORDEÃO (cascata)
   ============================================================ */

.sidebar__group { margin-bottom: var(--space-1); }

.sidebar__group-btn {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-gray-900);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-gray-300);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  line-height: 1.4;
  justify-content: space-between;
  transition: all 150ms cubic-bezier(.4,0,.2,1);
}

.sidebar__group-btn:hover {
  background-color: rgba(255,255,255,.08);
  color: var(--color-white);
}

.sidebar__group-btn .btn-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.chevron {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform 250ms cubic-bezier(.4,0,.2,1);
  flex-shrink: 0;
}

.sidebar__group.open .chevron {
  transform: rotate(180deg);
}

.sidebar__submenu {
  overflow: hidden;
  max-height: 0;
  transition: max-height 350ms ease;
}

.sidebar__group.open .sidebar__submenu {
  max-height: 400px;
}

.sidebar__submenu-inner {
  display: flex;
  flex-direction: column;
  padding: var(--space-1) 0 var(--space-1) calc(var(--space-3) + 18px + var(--space-3));
}

.sidebar__submenu-link {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: all 150ms cubic-bezier(.4,0,.2,1);
  margin-bottom: 2px;
  box-sizing: border-box;
}

.sidebar__submenu-link::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: currentColor;
  flex-shrink: 0;
  opacity: 0.5;
}

.sidebar__submenu-link:hover,
.sidebar__submenu-link.active {
  background-color: rgba(255,255,255,.08);
  color: var(--color-white);
}

.sidebar__submenu-link.active::before {
  opacity: 1;
  background-color: #818cf8;
}


/* ============================================================
   18. SIDEBAR — FOOTER / AVATAR / LOGOUT
   ============================================================ */

.sidebar__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  box-shadow: 0 2px 8px -2px rgba(99,102,241,.35);
}

.avatar-name {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gray-100);
  line-height: 1.2;
}

.avatar-role {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.sidebar__logout {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-500);
  display: flex;
  border-radius: var(--radius-sm);
  padding: 4px;
  transition: color var(--transition-fast);
}

.sidebar__logout:hover { color: var(--color-danger); }


/* ============================================================
   19. HEADER — HAMBÚRGUER MOBILE
   ============================================================ */

.btn-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-700);
  padding: 4px;
  border-radius: var(--radius-sm);
}


/* ============================================================
   20. STAT CARDS — CORES TEMÁTICAS
   ============================================================ */

.icon-bg-blue   { background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%); color: #6366f1; }
.icon-bg-purple { background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%); color: #7c3aed; }
.icon-bg-green  { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); color: #10b981; }
.icon-bg-orange { background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%); color: #ea580c; }


/* ============================================================
   21. TREND BADGE
   ============================================================ */

.trend {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
}

.trend-up   { background-color: rgba(16,185,129,.1); color: #059669; }
.trend-down { background-color: rgba(239,68,68,.1); color: #dc2626; }
.trend svg  { width: 12px; height: 12px; fill: currentColor; }


/* ============================================================
   22. LAYOUT — DOIS PAINÉIS (dashboard)
   ============================================================ */

.two-col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
}


/* ============================================================
   23. PROGRESSO MINI
   ============================================================ */

.progress-bar {
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-200);
  overflow: hidden;
  margin-top: var(--space-1);
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #6366f1 0%, #818cf8 100%);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}


/* ============================================================
   24. AULAS DO DIA
   ============================================================ */

.aula-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.aula-item:last-child { border-bottom: none; }

.aula-hora {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 52px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: var(--space-2);
}

.aula-hora strong { font-size: var(--text-sm); color: var(--color-primary-dark); line-height: 1; }
.aula-hora span   { font-size: var(--text-xs); color: var(--color-primary); }

.aula-info h4   { font-size: var(--text-sm); font-weight: 600; color: var(--color-gray-800); }
.aula-info span { font-size: var(--text-xs); color: var(--color-text-muted); }


/* ============================================================
   25. SIDEBAR OVERLAY (mobile)
   ============================================================ */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  z-index: 199;
}

@media (max-width: 768px) {
  .btn-hamburger { display: flex; }
  .sidebar-overlay.visible { display: block; }
  .two-col { grid-template-columns: 1fr; }
}


/* ============================================================
   26. DASHBOARD — Próximos Compromissos
   ============================================================ */

.dash-compromisso-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.dash-compromisso-item:last-child {
  border-bottom: none;
}

.dash-comp-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}


/* ============================================================
   27. TEMAS DE AULAS
   ============================================================ */

/* Seção por trimestre */
.trim-section {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.trim-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid rgba(0,0,0,.06);
}

.trim-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.trim-empty {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  background: var(--color-white);
}

/* Grid de cards de tema */
.temas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-white);
}

/* Card individual de tema */
.tema-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition-fast);
  position: relative;
  box-shadow: var(--shadow-xs);
}

.tema-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(99,102,241,.3);
  transform: translateY(-2px);
}

.tema-card__head {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.tema-card__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.4;
}

.tema-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 3px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tema-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tema-card__actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-1);
}


/* ============================================================
   28. CALENDÁRIO
   ============================================================ */

/* Layout dois painéis: calendário + lista lateral */
.cal-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-6);
  align-items: start;
}

.cal-card {
  overflow: hidden;
}

/* Navegação do mês */
.cal-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.cal-month-title {
  flex: 1;
  text-align: center;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-900);
}

/* Cabeçalho dos dias da semana */
.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-border);
}

.cal-weekdays span {
  padding: var(--space-2) 0;
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Grade de dias */
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

/* Célula de dia */
.cal-cell {
  min-height: 90px;
  padding: var(--space-2);
  border-right: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
  cursor: pointer;
  transition: all var(--transition-fast);
  vertical-align: top;
}

.cal-cell:nth-child(7n) {
  border-right: none;
}

.cal-cell:hover:not(.cal-cell--empty) {
  background-color: var(--color-primary-50);
}

.cal-cell--empty {
  background-color: var(--color-gray-50);
  opacity: 0.4;
  cursor: default;
}

/* Hoje */
.cal-cell--today {
  background-color: var(--color-primary-50);
}

.cal-cell--today .cal-day-num {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: var(--color-white) !important;
  box-shadow: 0 2px 8px -1px rgba(99,102,241,.4);
}

/* Número do dia */
.cal-day-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-1);
  flex-shrink: 0;
}

/* Pílulas de evento no dia */
.cal-pills {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cal-pill {
  display: block;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.cal-pill:hover {
  opacity: 0.8;
}

.cal-pill--more {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  cursor: default;
}

/* Lista lateral de eventos */
.cal-sidebar-panel {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.cal-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  transition: background-color var(--transition-fast);
}

.cal-list-item:last-child {
  border-bottom: none;
}

.cal-list-item:hover {
  background-color: var(--color-gray-50);
}

.cal-list-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

/* Responsividade do calendário */
@media (max-width: 900px) {
  .cal-wrapper {
    grid-template-columns: 1fr;
  }
  .cal-sidebar-panel {
    position: static;
  }
}

@media (max-width: 600px) {
  .cal-cell {
    min-height: 60px;
    padding: var(--space-1);
  }
  .cal-pill {
    display: none;
  }
  .cal-cell--today .cal-pill,
  .cal-pills .cal-pill:first-child {
    display: block;
  }
}

/* ─────────────────────────────────────────────────────
   29. CRONOGRAMA DE AULAS
───────────────────────────────────────────────────── */
.cron-turma-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.cron-turma-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
}

.cron-turma-block .table th,
.cron-turma-block .table td {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
}

/* Collapsible trimestre sections inside a turma block */

.cron-trim-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-bg, #f8fafc);
  border-top: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
  font-size: var(--text-sm);
  transition: background .15s;
}
.cron-trim-header:hover {
  filter: brightness(.97);
}
.cron-trim-dot {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  flex-shrink: 0;
  display: inline-block;
}
.cron-trim-chevron {
  margin-left: auto;
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex-shrink: 0;
  transition: transform .2s;
  opacity: .6;
}
.cron-trim-section.collapsed .cron-trim-chevron {
  transform: rotate(-90deg);
}
.cron-trim-body {
  overflow: hidden;
}
.cron-trim-section.collapsed .cron-trim-body {
  display: none;
}

@media (max-width: 700px) {
  .cron-turma-block .table th:nth-child(3),
  .cron-turma-block .table td:nth-child(3),
  .cron-turma-block .table th:nth-child(5),
  .cron-turma-block .table td:nth-child(5) {
    display: none;
  }
}

/* ─── Section 30: Perguntas no modal de aula ──────────── */
.perg-section {
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

.perg-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.perg-section-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.perg-empty {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.perg-row {
  display: grid;
  grid-template-columns: 22px 1fr 28px;
  gap: var(--space-2);
  align-items: start;
  margin-bottom: var(--space-3);
}

.perg-num {
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-top: .6rem;
  text-align: center;
}

.perg-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.perg-fields .form-control {
  font-size: var(--text-sm);
  padding: .35rem .6rem;
}

.perg-del {
  padding: .35rem .3rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-danger);
  opacity: .65;
  margin-top: .35rem;
  border-radius: var(--radius-sm);
  transition: opacity .15s, background .15s;
}

.perg-del:hover {
  opacity: 1;
  background: rgba(220,38,38,.08);
}

[data-theme="dark"] .perg-section { border-top-color: var(--color-border); }
[data-theme="dark"] .perg-del:hover { background: rgba(248,113,113,.12); }

/* ============================================================
   AULA NA PRÁTICA
   ============================================================ */

/* Item de sessão na lista lateral */
.ap-sessao-item {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: all 150ms cubic-bezier(.4,0,.2,1);
}
.ap-sessao-item:last-child { border-bottom: none; }
.ap-sessao-item:hover { background: var(--color-bg-hover); }
.ap-sessao-item.active { background: rgba(99,102,241,.08); border-left: 3px solid var(--color-primary); padding-left: calc(var(--space-4) - 3px); }

.ap-sessao-titulo {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.ap-sessao-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.ap-sessao-stats {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Botões de registrar resposta */
.btn-pratica {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: #fffbeb;
  color: #92400e;
  border: 2px solid #fbbf24;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-pratica:hover:not(:disabled) {
  background: #fef3c7;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(251,191,36,.3);
}
.btn-pratica:disabled { opacity: .5; cursor: not-allowed; }

.btn-pratica-sec {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(99,102,241,.08);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-pratica-sec:hover:not(:disabled) {
  background: rgba(99,102,241,.16);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99,102,241,.25);
}
.btn-pratica-sec:disabled { opacity: .5; cursor: not-allowed; }

/* Ranking */
.ap-rank-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.ap-rank-item:last-child { border-bottom: none; }
.ap-rank-pos { font-size: 1.4rem; flex-shrink: 0; width: 36px; text-align: center; }
.ap-rank-info { flex: 1; min-width: 0; }
.ap-rank-nome { font-weight: 600; font-size: var(--text-sm); color: var(--color-text); }
.ap-rank-bar-wrap {
  height: 6px;
  background: var(--color-bg-muted);
  border-radius: 99px;
  margin: 4px 0;
  overflow: hidden;
}
.ap-rank-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #818cf8);
  border-radius: 99px;
  transition: width .4s ease;
}
.ap-rank-detalhe { font-size: var(--text-xs); color: var(--color-text-muted); }
.ap-rank-pts { font-size: var(--text-xl); font-weight: 800; color: var(--color-primary); flex-shrink: 0; }
.ap-rank-pts small { font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted); }

/* Dark mode */
[data-theme="dark"] .btn-pratica {
  background: rgba(251,191,36,.12);
  color: #fbbf24;
  border-color: #fbbf24;
}
[data-theme="dark"] .btn-pratica:hover:not(:disabled) { background: rgba(251,191,36,.22); }
[data-theme="dark"] .ap-sessao-item.active { background: rgba(99,102,241,.15); }

/* ── Presença ── */
.ap-presenca-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 6px;
  border-radius: var(--radius-sm, 4px);
  cursor: pointer;
  transition: background .12s;
  font-size: var(--text-sm);
  line-height: 1.3;
}
.ap-presenca-item:hover { background: var(--color-bg-hover, rgba(0,0,0,.04)); }
.ap-presenca-chk {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--color-success, #22c55e);
}
.ap-presenca-nome { flex: 1; }
.ap-presenca-item.presente .ap-presenca-nome {
  color: var(--color-success, #22c55e);
  font-weight: 600;
}
[data-theme="dark"] .ap-presenca-item:hover { background: rgba(255,255,255,.06); }
[data-theme="dark"] .ap-presenca-item.presente .ap-presenca-nome { color: #4ade80; }

/* ─── Steps de Domingos (Aula na Prática) ─────────────────── */
.steps-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding: var(--space-3) var(--space-2) var(--space-4);
  scrollbar-width: thin;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  min-width: 90px;
  flex: 1;
}

/* Linha conectora entre steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

/* O progresso (linha roxa) passa pelos dias do passado e pelo "Todas" */
.step.past:not(:last-child)::after,
.step-todas:not(:last-child)::after {
  background: var(--color-primary);
}

/* Círculo/bolinha da data */
.step-label {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--color-bg, #f1f5f9);
  border: 2px solid var(--color-border);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: all .2s;
  cursor: pointer;
}

/* Dias passados e hoje ficam roxinhos (preenchidos) */
.step.past .step-label,
.step.today .step-label,
.step-todas .step-label {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* O step selecionado atualmente (active) ganha uma sombra/escala para destacar */
.step.active .step-label {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,.2);
  transform: scale(1.08);
}

/* Área de conteúdo abaixo da bolinha */
.step-content {
  margin-top: var(--space-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 100%;
  padding: 0 4px;
}

.step-aula {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-muted, var(--color-gray-100));
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  text-align: center;
  max-width: 90px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.step.active .step-aula {
  color: var(--color-primary);
  background: rgba(99,102,241,.1);
}

/* Empty state */
.steps-flow-empty {
  width: 100%;
  text-align: center;
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Step "Todas" — texto ligeiramente menor para caber no círculo */
.step-todas .step-label {
  font-size: 9px;
  letter-spacing: .02em;
}

[data-theme="dark"] .step-label {
  background: var(--color-surface);
}
[data-theme="dark"] .step.past .step-label,
[data-theme="dark"] .step.today .step-label,
[data-theme="dark"] .step-todas .step-label,
[data-theme="dark"] .step.active .step-label {
  background: var(--color-primary);
}
[data-theme="dark"] .step-aula {
  background: rgba(255,255,255,.07);
}


/* ============================================================
   SCROLLBAR CUSTOMIZATION
   ============================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
  background-clip: content-box;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #475569;
  background-clip: content-box;
  border: 2px solid transparent;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: #64748b;
  background-clip: content-box;
}


/* ============================================================
   SELECTION & FOCUS
   ============================================================ */

::selection {
  background: rgba(99,102,241,.2);
  color: inherit;
}

:focus-visible {
  outline: 2px solid rgba(99,102,241,.5);
  outline-offset: 2px;
}

/* Smooth scrolling already set in reset */

/* ── Paginação ──────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-3) 0;
}

.pag-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.pag-btn:hover:not([disabled]):not(.active) {
  background: var(--color-gray-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pag-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
  pointer-events: none;
}

.pag-btn[disabled] {
  opacity: .4;
  cursor: not-allowed;
}

.pag-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  color: var(--color-gray-400);
  font-size: var(--text-sm);
}