/* ============================================================
   NoorAlFajr — Design Tokens
   Central source of truth for all design decisions
   ============================================================ */

:root {
  /* ─── Brand Colors ─── */
  --primary-50:  #ecfdf5;
  --primary-100: #d1fae5;
  --primary-200: #a7f3d0;
  --primary-300: #6ee7b7;
  --primary-400: #34d399;
  --primary-500: #10b981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065f46;
  --primary-900: #064e3b;

  /* ─── Sacred Gold ─── */
  --gold-50:  #fffbeb;
  --gold-100: #fef3c7;
  --gold-200: #fde68a;
  --gold-300: #fcd34d;
  --gold-400: #fbbf24;
  --gold-500: #f59e0b;
  --gold-600: #d97706;
  --gold-700: #b45309;
  --gold-800: #92400e;
  --gold-900: #78350f;

  /* ─── Neutral Grays ─── */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* ─── Prayer Time Gradients ─── */
  --gradient-fajr:    linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  --gradient-sunrise: linear-gradient(135deg, #c2410c 0%, #f97316 100%);
  --gradient-dhuhr:   linear-gradient(135deg, #a16207 0%, #eab308 100%);
  --gradient-asr:     linear-gradient(135deg, #9a3412 0%, #ea580c 100%);
  --gradient-maghrib: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
  --gradient-isha:    linear-gradient(135deg, #581c87 0%, #7c3aed 100%);

  /* ─── Brand Gradients ─── */
  --gradient-brand:        linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
  --gradient-gold:         linear-gradient(135deg, var(--gold-700) 0%, var(--gold-400) 100%);
  --gradient-dark-brand:   linear-gradient(135deg, #021a12 0%, var(--primary-900) 100%);
  --gradient-hero:         linear-gradient(160deg, #022c22 0%, #064e3b 40%, #0d9488 100%);

  /* ─── Semantic Colors ─── */
  --color-bg:           #f8fafc;
  --color-bg-card:      #ffffff;
  --color-bg-sidebar:   #f1f5f9;
  --color-border:       #e2e8f0;
  --color-text:         var(--gray-900);
  --color-text-muted:   var(--gray-500);
  --color-text-light:   var(--gray-400);
  --color-link:         var(--primary-600);
  --color-link-hover:   var(--primary-800);
  --color-success:      #10b981;
  --color-warning:      #f59e0b;
  --color-error:        #ef4444;
  --color-info:         #3b82f6;

  /* ─── Typography ─── */
  --font-arabic:  'Amiri', 'Scheherazade New', serif;
  --font-bengali: 'Hind Siliguri', 'Kalpurush', sans-serif;
  --font-english: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-urdu:    'Noto Nastaliq Urdu', serif;
  --font-mono:    'Fira Code', 'Courier New', monospace;

  --font-base:    var(--font-bengali);
  --font-quran:   var(--font-arabic);
  --font-heading: var(--font-english);

  /* ─── Font Sizes (fluid) ─── */
  --text-xs:   clamp(0.65rem,  1.0vw, 0.75rem);
  --text-sm:   clamp(0.8rem,   1.2vw, 0.875rem);
  --text-base: clamp(0.9rem,   1.5vw, 1rem);
  --text-md:   clamp(1rem,     1.8vw, 1.125rem);
  --text-lg:   clamp(1.1rem,   2.0vw, 1.25rem);
  --text-xl:   clamp(1.25rem,  2.5vw, 1.5rem);
  --text-2xl:  clamp(1.5rem,   3.0vw, 1.875rem);
  --text-3xl:  clamp(1.75rem,  3.5vw, 2.25rem);
  --text-4xl:  clamp(2rem,     4.5vw, 3rem);
  --text-5xl:  clamp(2.5rem,   5.5vw, 3.75rem);

  /* Arabic specific sizes */
  --text-arabic-sm:   1.25rem;
  --text-arabic-base: 1.5rem;
  --text-arabic-lg:   1.875rem;
  --text-arabic-xl:   2.25rem;
  --text-arabic-2xl:  3rem;
  --text-arabic-quran: 2rem;

  /* ─── Font Weights ─── */
  --fw-light:    300;
  --fw-normal:   400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold:800;

  /* ─── Line Heights ─── */
  --lh-tight:   1.2;
  --lh-snug:    1.35;
  --lh-normal:  1.6;
  --lh-relaxed: 1.75;
  --lh-loose:   2.0;
  --lh-arabic:  2.5;

  /* ─── Letter Spacing ─── */
  --ls-tight:  -0.02em;
  --ls-normal:  0;
  --ls-wide:    0.02em;
  --ls-wider:   0.05em;
  --ls-widest:  0.1em;

  /* ─── Spacing Scale ─── */
  --space-0:   0;
  --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;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* ─── Border Radius ─── */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-3xl:  2rem;
  --radius-full: 9999px;

  /* ─── Shadows ─── */
  --shadow-xs:  0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-sm:  0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0,0,0,0.06);
  --shadow-green: 0 4px 20px rgba(16,185,129,0.25);
  --shadow-gold:  0 4px 20px rgba(245,158,11,0.35);

  /* ─── Transitions ─── */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ─── Z-Index ─── */
  --z-0:       0;
  --z-10:      10;
  --z-20:      20;
  --z-30:      30;
  --z-40:      40;
  --z-50:      50;
  --z-header:  100;
  --z-dropdown:200;
  --z-modal:   300;
  --z-toast:   400;
  --z-overlay: 500;

  /* ─── Layout ─── */
  --container-sm:  640px;
  --container-md:  768px;
  --container-lg:  1024px;
  --container-xl:  1280px;
  --container-2xl: 1536px;
  --header-h:      64px;
  --nav-w:         260px;
  --bottom-nav-h:  64px;

  /* ─── Islamic Pattern Colors ─── */
  --pattern-color:  rgba(16, 185, 129, 0.08);
  --pattern-stroke: rgba(16, 185, 129, 0.15);
}