/* ============================================
   BULUGH AL-MARAM — DESIGN TOKENS
   "Glass & Float" Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Alexandria:wght@300;400;500;600;700&family=Amiri:ital,wght@0,400;0,700;1,400;1,700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* ── Brand Colors ── */
  --color-primary: #6c8cff;
  --color-primary-soft: rgba(108, 140, 255, 0.15);
  --color-primary-glow: rgba(108, 140, 255, 0.3);
  --color-accent: #f0c674;
  --color-accent-soft: rgba(240, 198, 116, 0.15);
  --color-success: #6ccf8e;
  --color-warning: #f0c674;
  --color-danger: #e06c75;
  --color-info: #61afef;

  /* ── Status Colors ── */
  --status-new: #5c6370;
  --status-learning: #e5c07b;
  --status-memorized: #6ccf8e;
  --status-review: #e06c75;

  /* ── Typography ── */
  --font-arabic: 'Amiri', 'Noto Naskh Arabic', serif;
  --font-ui: 'Alexandria', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
  --font-size-hadith: 1.35rem;
  --line-height-arabic: 2.4;
  --line-height-ui: 1.6;

  /* ── Spacing ── */
  --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;

  /* ── Radius ── */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.18);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.24);
  --shadow-glow: 0 0 30px var(--color-primary-glow);

  /* ── Transitions ── */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* ── Layout ── */
  --navbar-height: 64px;
  --sidebar-width: 280px;
  --drawer-width: 420px;
  --content-max-width: 800px;
  --z-base: 1;
  --z-sidebar: 10;
  --z-navbar: 100;
  --z-drawer: 200;
  --z-modal: 300;
  --z-tooltip: 400;
}

/* ══════════════════════════════════════════════
   DARK THEME (Default)
   ══════════════════════════════════════════════ */
[data-theme="dark"], :root {
  --color-logo: #e6d3c0; /* Very light brown */
  
  --bg-deep: #000000;
  --bg-base: #0a0a0a;
  --bg-surface: #121212;
  --bg-elevated: #1a1a1a;
  --bg-hover: #262626;

  --text-primary: #ededed;
  --text-secondary: #a1a1a1;
  --text-tertiary: #737373;
  --text-hadith: #f5f5f5;
  --text-inverse: #000000;

  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.15);

  /* Glass presets */
  --glass-bg: rgba(10, 10, 10, 0.7);
  --glass-bg-solid: rgba(10, 10, 10, 0.92);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px) saturate(180%);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Ambient backgrounds */
  --ambient-1: radial-gradient(600px circle at 20% 30%, rgba(255, 255, 255, 0.03), transparent 70%);
  --ambient-2: radial-gradient(500px circle at 80% 60%, rgba(240, 198, 116, 0.02), transparent 70%);
  --ambient-3: radial-gradient(400px circle at 50% 80%, rgba(255, 255, 255, 0.02), transparent 70%);

  --scrollbar-track: #121212;
  --scrollbar-thumb: #333333;
}

/* ══════════════════════════════════════════════
   LIGHT THEME
   ══════════════════════════════════════════════ */
[data-theme="light"] {
  --color-logo: #3d2b1f; /* Dark brown */
  
  /* Override primary colors for light mode to brown */
  --color-primary: #9c744c;
  --color-primary-soft: rgba(156, 116, 76, 0.15);
  --color-primary-glow: rgba(156, 116, 76, 0.3);

  --bg-deep: #f3ece4;
  --bg-base: #faf8f5;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-hover: #ebe1d5;

  --text-primary: #3d3126;
  --text-secondary: #6e5f52;
  --text-tertiary: #9c8e80;
  --text-hadith: #2d241c;
  --text-inverse: #faf8f5;

  --border-subtle: rgba(94, 76, 58, 0.06);
  --border-default: rgba(94, 76, 58, 0.12);
  --border-strong: rgba(94, 76, 58, 0.2);

  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-solid: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(94, 76, 58, 0.08);
  --glass-blur: blur(20px) saturate(180%);
  --glass-shadow: 0 8px 32px rgba(60, 48, 36, 0.06);

  --ambient-1: radial-gradient(600px circle at 20% 30%, rgba(198, 156, 109, 0.08), transparent 70%);
  --ambient-2: radial-gradient(500px circle at 80% 60%, rgba(245, 222, 179, 0.1), transparent 70%);
  --ambient-3: radial-gradient(400px circle at 50% 80%, rgba(139, 168, 136, 0.06), transparent 70%);

  --scrollbar-track: #e8ded4;
  --scrollbar-thumb: #b8a896;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
}