/* ═══════════════════════════════════════════════════════════════════════════
   RAVVO — PREMIUM THEME LAYER  (v1 · 2026-05)
   Camada de redesign premium inspirada em Apple · Stripe · Linear · Notion · Vercel
   --------------------------------------------------------------------------
   ⚠️ Esta folha NÃO altera HTML, JS, APIs nem regras de negócio.
      Ela apenas redefine os design tokens e refina os componentes já existentes
      (.btn, .card, .stat-card, .data-table, .modal, .sidebar, .nav-item,
       .badge-card, .podium, .class-card, etc.).
   ⚠️ DEVE ser o ÚLTIMO CSS carregado no index.html (depois do v8-mobile-hotfix).
   ═══════════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────────────────
   1. DESIGN TOKENS — DARK (padrão, refinado)
   Sai do "preto morto" #0A0A0A para neutros profundos com leve subtom violeta,
   no estilo Linear/Vercel. Acento da marca preservado.
   ─────────────────────────────────────────────────────────────────────────── */
:root {
  /* superfícies em escala de elevação */
  --bg-primary:      #0B0B0F;
  --bg-secondary:    #101015;
  --bg-card:         #16161D;
  --bg-card-hover:   #1C1C25;
  --bg-input:        #14141A;
  --bg-modal:        #15151C;

  /* acento da marca — preservado + gradiente premium */
  --accent:          #8B3FE8;
  --accent-hover:    #A671F2;
  --accent-dim:      rgba(139, 63, 232, 0.14);
  --accent-glow:     rgba(139, 63, 232, 0.28);
  --accent-grad:     linear-gradient(135deg, #9B5FF0 0%, #7C3AED 100%);
  --accent-grad-soft:linear-gradient(135deg, rgba(155,95,240,0.18) 0%, rgba(124,58,237,0.10) 100%);

  /* semânticas */
  --success:#22C55E; --success-dim:rgba(34,197,94,0.14);
  --danger: #F0556E; --danger-dim: rgba(240,85,110,0.14);
  --warning:#F5A623; --warning-dim:rgba(245,166,35,0.14);
  --info:   #3B82F6; --info-dim:   rgba(59,130,246,0.14);

  /* texto */
  --text-primary:   #F4F4F7;
  --text-secondary: #A0A0AD;
  --text-muted:     #6C6C7A;
  --text-on-accent: #FFFFFF;

  /* bordas */
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(255,255,255,0.13);
  --border-accent: rgba(139,63,232,0.45);

  /* raios — mais arredondados, modernos */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* sombras suaves multicamada (Stripe/Notion) */
  --shadow-xs:    0 1px 2px rgba(0,0,0,0.30);
  --shadow-card:  0 1px 2px rgba(0,0,0,0.25), 0 8px 24px rgba(0,0,0,0.30);
  --shadow-pop:   0 4px 12px rgba(0,0,0,0.30), 0 16px 48px rgba(0,0,0,0.45);
  --shadow-modal: 0 12px 40px rgba(0,0,0,0.55), 0 4px 12px rgba(0,0,0,0.40);
  --shadow-glow:  0 8px 28px rgba(139,63,232,0.32);

  /* glassmorphism */
  --glass-bg:     rgba(22,22,29,0.72);
  --glass-border: rgba(255,255,255,0.08);
  --glass-blur:   blur(18px) saturate(150%);

  /* espaçamentos consistentes (escala 4px) */
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px;
  --space-5:24px; --space-6:32px; --space-7:48px;

  /* transições */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 0.16s var(--ease);
  --t-med:  0.28s var(--ease);
}

/* ───────────────────────────────────────────────────────────────────────────
   2. DESIGN TOKENS — LIGHT (novo · ativado por [data-theme="light"])
   Branco quente Notion/Apple, sombras suaves, mesmo acento.
   ─────────────────────────────────────────────────────────────────────────── */
html[data-theme="light"] {
  --bg-primary:      #F7F7FA;
  --bg-secondary:    #FFFFFF;
  --bg-card:         #FFFFFF;
  --bg-card-hover:   #FBFAFF;
  --bg-input:        #F4F4F8;
  --bg-modal:        #FFFFFF;

  --accent-dim:      rgba(139,63,232,0.10);
  --accent-glow:     rgba(139,63,232,0.18);

  --success-dim:rgba(34,197,94,0.12);
  --danger-dim: rgba(240,85,110,0.12);
  --warning-dim:rgba(245,166,35,0.14);
  --info-dim:   rgba(59,130,246,0.12);

  --text-primary:   #16161D;
  --text-secondary: #5A5A68;
  --text-muted:     #9494A2;

  --border:        rgba(16,16,24,0.08);
  --border-hover:  rgba(16,16,24,0.16);
  --border-accent: rgba(139,63,232,0.40);

  --shadow-xs:    0 1px 2px rgba(16,16,24,0.05);
  --shadow-card:  0 1px 2px rgba(16,16,24,0.04), 0 6px 20px rgba(16,16,24,0.06);
  --shadow-pop:   0 4px 12px rgba(16,16,24,0.08), 0 16px 48px rgba(16,16,24,0.12);
  --shadow-modal: 0 12px 40px rgba(16,16,24,0.16), 0 4px 12px rgba(16,16,24,0.08);
  --shadow-glow:  0 8px 28px rgba(139,63,232,0.22);

  --glass-bg:     rgba(255,255,255,0.72);
  --glass-border: rgba(16,16,24,0.06);
}

/* transição suave ao trocar de tema */
html { transition: background-color var(--t-med), color var(--t-med); }
body, .card, .stat-card, .sidebar, .modal, .data-table td, .nav-item,
.btn, .form-input, .form-select, .form-textarea, .class-card, .badge-card {
  transition: background-color var(--t-med), border-color var(--t-med),
              color var(--t-med), box-shadow var(--t-med),
              transform var(--t-fast);
}

/* ───────────────────────────────────────────────────────────────────────────
   3. ATMOSFERA — fundo com profundidade (gradiente mesh sutil + grão)
   ─────────────────────────────────────────────────────────────────────────── */
body::before {
  background-image:
    radial-gradient(900px 600px at 82% -8%, rgba(139,63,232,0.10), transparent 60%),
    radial-gradient(700px 500px at -6% 12%, rgba(59,130,246,0.06), transparent 55%);
  opacity: 1;
}
html[data-theme="light"] body::before {
  background-image:
    radial-gradient(900px 600px at 82% -8%, rgba(139,63,232,0.07), transparent 60%),
    radial-gradient(700px 500px at -6% 12%, rgba(59,130,246,0.05), transparent 55%);
}

/* ───────────────────────────────────────────────────────────────────────────
   4. TIPOGRAFIA — refino (mantém Barlow Condensed + DM Sans já carregados)
   ─────────────────────────────────────────────────────────────────────────── */
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; letter-spacing: -0.01em; }
h1,h2,h3,h4,h5 { letter-spacing: 0.2px; }
.page-title { letter-spacing: -0.3px; }
.stat-value { font-variant-numeric: tabular-nums; letter-spacing: -0.5px; }

/* ───────────────────────────────────────────────────────────────────────────
   5. BOTÕES — sólidos com gradiente, hover suave, foco acessível
   ─────────────────────────────────────────────────────────────────────────── */
.btn {
  border-radius: var(--radius-sm);
  letter-spacing: 0.3px;
  transition: transform var(--t-fast), box-shadow var(--t-med),
              background-color var(--t-med), border-color var(--t-med), filter var(--t-fast);
}
.btn-primary { background: var(--accent-grad); box-shadow: var(--shadow-xs); }
.btn-primary:hover { filter: brightness(1.05); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); filter: brightness(0.98); }
.btn-secondary { background: var(--bg-card); border: 1px solid var(--border-hover); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-accent); color: var(--accent); transform: translateY(-1px); }
.btn-danger { background: linear-gradient(135deg,#F4677C,#E23B57); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-dim), 0 0 0 1px var(--accent); }

/* ───────────────────────────────────────────────────────────────────────────
   6. CARDS — glass leve, borda hairline, hover com elevação
   ─────────────────────────────────────────────────────────────────────────── */
.card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)) ,
    var(--bg-card);
}
html[data-theme="light"] .card { background: var(--bg-card); }
.card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-pop); transform: translateY(-2px); }

/* ───────────────────────────────────────────────────────────────────────────
   7. STAT CARDS (dashboard premium)
   ─────────────────────────────────────────────────────────────────────────── */
.stat-grid { gap: var(--space-4); }
.stat-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0)),
    var(--bg-card);
  box-shadow: var(--shadow-card);
  padding: 22px 22px 20px;
}
html[data-theme="light"] .stat-card { background: var(--bg-card); }
.stat-card::after { height: 3px; background: var(--accent-grad); border-radius: 3px 3px 0 0; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-pop); border-color: var(--border-hover); }
.stat-card:hover::after { opacity: 1; }
.stat-value { font-size: 2.1rem; }
.stat-label { letter-spacing: 1px; }

/* ───────────────────────────────────────────────────────────────────────────
   8. INPUTS — foco com anel suave estilo Stripe
   ─────────────────────────────────────────────────────────────────────────── */
.form-input, .form-select, .form-textarea {
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.search-bar input { border-radius: var(--radius-pill); padding-left: 42px; background: var(--bg-input); border:1px solid var(--border); }
.search-bar input:focus { box-shadow: 0 0 0 4px var(--accent-dim); }

/* ───────────────────────────────────────────────────────────────────────────
   9. TABELAS — respiro, cabeçalho discreto, hover de linha suave
   ─────────────────────────────────────────────────────────────────────────── */
.data-table th { letter-spacing: 0.8px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); }
.data-table tbody tr:hover { background: var(--accent-grad-soft); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ───────────────────────────────────────────────────────────────────────────
   10. BADGES & CHIPS — pílulas refinadas
   ─────────────────────────────────────────────────────────────────────────── */
.badge { border-radius: var(--radius-pill); padding: 4px 11px; letter-spacing: 0.5px; }
.chip { border-radius: var(--radius-pill); transition: all var(--t-fast); }
.chip.active { background: var(--accent-grad); border-color: transparent; box-shadow: var(--shadow-xs); }

/* ───────────────────────────────────────────────────────────────────────────
   11. MODAIS — glassmorphism + entrada suave
   ─────────────────────────────────────────────────────────────────────────── */
.modal-overlay { background: rgba(8,8,12,0.55); backdrop-filter: blur(6px); }
.modal {
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-modal);
  animation: premiumSlideUp 0.34s var(--ease-out);
}
.modal-header h2 { color: var(--text-primary); }
.modal-header h2::before {
  content:''; display:inline-block; width:4px; height:18px; border-radius:2px;
  background: var(--accent-grad); margin-right:10px; vertical-align:-2px;
}

/* ───────────────────────────────────────────────────────────────────────────
   12. SIDEBAR — vidro fosco + item ativo com gradiente
   ─────────────────────────────────────────────────────────────────────────── */
.sidebar {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
}
.sidebar-logo { border-radius: var(--radius-sm); background: var(--accent-grad); box-shadow: var(--shadow-glow); }
.nav-item { border-radius: var(--radius-sm); }
.nav-item:hover { background: var(--bg-card-hover); }
.nav-item.active {
  background: var(--accent-grad-soft);
  color: var(--accent);
  position: relative;
}
.nav-item.active::before {
  content:''; position:absolute; left:-4px; top:50%; transform:translateY(-50%);
  width:3px; height:60%; border-radius:3px; background: var(--accent-grad);
}
.sidebar-user { border-radius: var(--radius-sm); }
.sidebar-avatar { background: var(--accent-grad); }

/* ───────────────────────────────────────────────────────────────────────────
   13. ÁREA DO ALUNO — class-card e gamificação
   ─────────────────────────────────────────────────────────────────────────── */
.class-card { border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.class-card:hover { box-shadow: var(--shadow-pop); transform: translateY(-3px); }
.class-card.booked { border-color: var(--border-accent); background: var(--accent-grad-soft), var(--bg-card); }
.class-time { letter-spacing: -1px; }

/* badges / conquistas */
.badge-card { border-radius: var(--radius-md); border:1px solid var(--border); background: var(--bg-card); box-shadow: var(--shadow-xs); }
.badge-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); border-color: var(--border-hover); }
.badge-icon { box-shadow: inset 0 0 0 1px var(--border), var(--shadow-xs); }

/* ranking / pódio */
.podium-item { border-radius: var(--radius-md) var(--radius-md) 0 0; background: var(--bg-card); box-shadow: var(--shadow-card); border:1px solid var(--border); border-bottom:none; }
.podium-item:nth-child(1) { background: linear-gradient(180deg, rgba(245,166,35,0.12), var(--bg-card)); }
.ranking-list, .feed-list { gap: 6px; }
.ranking-pos, .feed-icon { border-radius: var(--radius-sm); }

/* ───────────────────────────────────────────────────────────────────────────
   14. TOASTS — vidro + sombra pop
   ─────────────────────────────────────────────────────────────────────────── */
.toast {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-pop);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

/* ───────────────────────────────────────────────────────────────────────────
   15. SCROLLBAR refinada
   ─────────────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: var(--radius-pill); border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); background-clip: padding-box; }

/* ───────────────────────────────────────────────────────────────────────────
   16. ENTRADA DE PÁGINA — revelação suave em cascata (page-load)
   Aplica-se aos cards/stat-cards quando o conteúdo é renderizado.
   ─────────────────────────────────────────────────────────────────────────── */
@keyframes premiumSlideUp { from { transform: translateY(16px); opacity:0; } to { transform: translateY(0); opacity:1; } }
@keyframes premiumFadeUp  { from { transform: translateY(10px); opacity:0; } to { transform: translateY(0); opacity:1; } }

.page-enter .stat-card,
.page-enter > .card,
.page-enter .class-card,
.page-enter .badge-card {
  animation: premiumFadeUp 0.5s var(--ease-out) both;
}
.page-enter .stat-card:nth-child(1){animation-delay:.02s}
.page-enter .stat-card:nth-child(2){animation-delay:.06s}
.page-enter .stat-card:nth-child(3){animation-delay:.10s}
.page-enter .stat-card:nth-child(4){animation-delay:.14s}
.page-enter .stat-card:nth-child(5){animation-delay:.18s}
.page-enter .stat-card:nth-child(6){animation-delay:.22s}
.page-enter .stat-card:nth-child(7){animation-delay:.26s}
.page-enter .stat-card:nth-child(8){animation-delay:.30s}

/* ───────────────────────────────────────────────────────────────────────────
   17. BOTÃO FLUTUANTE DE TEMA (injetado por premium-theme.js)
   ─────────────────────────────────────────────────────────────────────────── */
.theme-fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 1800;
  width: 46px; height: 46px; border-radius: var(--radius-pill);
  display: flex; align-items: center; justify-content: center;
  background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); box-shadow: var(--shadow-pop);
  color: var(--text-primary); cursor: pointer; font-size: 1.2rem;
  transition: transform var(--t-fast), box-shadow var(--t-med);
}
.theme-fab:hover { transform: translateY(-2px) scale(1.04); box-shadow: var(--shadow-glow); }
.theme-fab:active { transform: scale(0.96); }
@media (max-width: 768px) {
  .theme-fab { right: 14px; bottom: calc(14px + env(safe-area-inset-bottom, 0px)); width: 42px; height: 42px; }
}

/* ───────────────────────────────────────────────────────────────────────────
   18. ACESSIBILIDADE — respeita quem prefere menos movimento
   ─────────────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}