/* ==========================================================================
   JESS' BOOKS - DESIGN TOKENS & PALETTE
   Tema Dark (Padrão Sofisticado) e Tema Light (Pergaminho Elegante)
   ========================================================================== */

:root {
  /* Fontes Modernas & Literárias */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Raios de Arredondamento */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Transições Suaves */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.25);
}

/* TEMA DARK (Padrão) */
[data-theme="dark"] {
  --bg-app: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1e293b;
  --bg-card: rgba(26, 36, 56, 0.75);
  --bg-card-hover: rgba(35, 48, 74, 0.9);
  --bg-input: #0f172a;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #f59e0b;
  --border-glass: rgba(255, 255, 255, 0.12);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0b0f19;

  --accent-gold: #f59e0b;
  --accent-gold-hover: #d97706;
  --accent-gold-subtle: rgba(245, 158, 11, 0.15);

  --badge-read-bg: rgba(16, 185, 129, 0.18);
  --badge-read-text: #34d399;
  
  --badge-reading-bg: rgba(59, 130, 246, 0.18);
  --badge-reading-text: #60a5fa;

  --badge-want-bg: rgba(168, 85, 247, 0.18);
  --badge-want-text: #c084fc;

  --badge-lent-bg: rgba(239, 68, 68, 0.2);
  --badge-lent-text: #f87171;

  --nav-bg: rgba(15, 23, 42, 0.88);
  --modal-backdrop: rgba(3, 7, 18, 0.75);
}

/* TEMA LIGHT (Pergaminho & Café Elegante) */
[data-theme="light"] {
  --bg-app: #f9f7f2;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1ece4;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;
  --bg-input: #ffffff;

  --border-subtle: #e6dfd5;
  --border-focus: #d97706;
  --border-glass: rgba(0, 0, 0, 0.08);

  --text-primary: #1e293b;
  --text-secondary: #57534e;
  --text-muted: #8c827a;
  --text-inverse: #ffffff;

  --accent-gold: #b45309;
  --accent-gold-hover: #92400e;
  --accent-gold-subtle: rgba(180, 83, 9, 0.12);

  --badge-read-bg: #ecfdf5;
  --badge-read-text: #047857;
  
  --badge-reading-bg: #eff6ff;
  --badge-reading-text: #1d4ed8;

  --badge-want-bg: #faf5ff;
  --badge-want-text: #7e22ce;

  --badge-lent-bg: #fef2f2;
  --badge-lent-text: #b91c1c;

  --nav-bg: rgba(255, 255, 255, 0.92);
  --modal-backdrop: rgba(28, 25, 23, 0.55);
}