/* ============================================================
   CSS Variables — Design Token System v2 (Polish)
   نور Islamic App
   ============================================================ */

/* ── Dark Theme (Default) ────────────────────────────────── */
:root,
[data-theme="dark"] {

  /* ── Brand Palette ── */
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-700: #047857;
  --emerald-800: #065f46;
  --gold-400:    #fbbf24;
  --gold-500:    #f59e0b;
  --gold-600:    #d97706;
  --gold-700:    #b45309;

  /* ── Semantic Roles ── */
  --color-primary:        #10b981;
  --color-primary-light:  #34d399;
  --color-primary-dark:   #059669;
  --color-primary-glow:   rgba(16, 185, 129, 0.22);
  --color-primary-subtle: rgba(16, 185, 129, 0.09);
  --color-primary-border: rgba(16, 185, 129, 0.18);

  --color-accent:         #f59e0b;
  --color-accent-light:   #fbbf24;
  --color-accent-dark:    #d97706;
  --color-accent-glow:    rgba(245, 158, 11, 0.22);
  --color-accent-subtle:  rgba(245, 158, 11, 0.09);
  --color-accent-border:  rgba(245, 158, 11, 0.18);

  /* ── Background Layers ── */
  --bg-base:     #07090F;
  --bg-deep:     #0A0D17;
  --bg-surface:  #0D1120;
  --bg-card:     rgba(255,255,255,0.038);
  --bg-card-hover: rgba(255,255,255,0.055);
  --bg-elevated: #131929;
  --bg-overlay:  #18213A;

  /* ── Card System ── */
  --card-bg:        rgba(19, 25, 41, 0.85);
  --card-bg-light:  rgba(25, 33, 55, 0.70);
  --card-border:    rgba(255, 255, 255, 0.065);
  --card-border-em: rgba(16, 185, 129, 0.16);
  --card-border-gold: rgba(245, 158, 11, 0.16);
  --card-shadow:
    0 1px 3px rgba(0,0,0,0.45),
    0 4px 12px rgba(0,0,0,0.35),
    0 8px 24px rgba(0,0,0,0.20),
    inset 0 1px 0 rgba(255,255,255,0.04);
  --card-shadow-hover:
    0 2px 6px rgba(0,0,0,0.50),
    0 8px 20px rgba(0,0,0,0.40),
    0 16px 40px rgba(0,0,0,0.25),
    inset 0 1px 0 rgba(255,255,255,0.05);
  --card-shadow-em:
    0 1px 3px rgba(0,0,0,0.40),
    0 4px 16px rgba(0,0,0,0.30),
    0 0 0 1px rgba(16,185,129,0.12),
    inset 0 1px 0 rgba(255,255,255,0.04);

  /* ── Glass Effect ── */
  --glass-bg:    rgba(13, 17, 32, 0.75);
  --glass-blur:  18px;

  /* ── Text ── */
  --text-primary:   #EEF2FF;
  --text-secondary: #9BA8C4;
  --text-muted:     #5B6882;
  --text-disabled:  #3A4560;
  --text-inverse:   #07090F;
  --text-emerald:   #10b981;
  --text-gold:      #f59e0b;

  /* ── Borders ── */
  --border-subtle:   rgba(255,255,255,0.05);
  --border-default:  rgba(255,255,255,0.08);
  --border-strong:   rgba(255,255,255,0.14);

  /* ── Shadows ── */
  --shadow-xs:       0 1px 2px rgba(0,0,0,0.40);
  --shadow-sm:       0 2px 6px rgba(0,0,0,0.45);
  --shadow-md:       0 4px 14px rgba(0,0,0,0.50);
  --shadow-lg:       0 8px 28px rgba(0,0,0,0.55);
  --shadow-xl:       0 16px 48px rgba(0,0,0,0.60);
  --shadow-emerald:  0 4px 20px rgba(16,185,129,0.28), 0 1px 4px rgba(16,185,129,0.15);
  --shadow-gold:     0 4px 20px rgba(245,158,11,0.28), 0 1px 4px rgba(245,158,11,0.15);

  /* ── Gradients ── */
  --gradient-primary: linear-gradient(140deg, #065f46 0%, #059669 45%, #10b981 100%);
  --gradient-accent:  linear-gradient(140deg, #b45309 0%, #d97706 50%, #f59e0b 100%);
  --gradient-card:    linear-gradient(160deg, rgba(16,185,129,0.06) 0%, rgba(245,158,11,0.02) 100%);
  --gradient-hero:    linear-gradient(165deg, #07091A 0%, #0D1530 50%, #07091A 100%);
  --gradient-mesh:
    radial-gradient(ellipse at 15% 40%, rgba(16,185,129,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(245,158,11,0.05) 0%, transparent 45%),
    radial-gradient(ellipse at 55% 85%, rgba(5,150,105,0.05) 0%, transparent 50%);

  /* ── Navigation ── */
  --nav-height:    65px;
  --nav-bg:        rgba(7, 9, 15, 0.94);
  --nav-border:    rgba(255,255,255,0.06);
  --nav-active:    var(--color-primary);
  --nav-inactive:  #4A5775;

  /* ── Pattern ── */
  --pattern-color: rgba(16, 185, 129, 0.035);
}

/* ── Light Theme ─────────────────────────────────────────── */
[data-theme="light"] {
  --color-primary:        #059669;
  --color-primary-light:  #10b981;
  --color-primary-dark:   #047857;
  --color-primary-glow:   rgba(5, 150, 105, 0.18);
  --color-primary-subtle: rgba(5, 150, 105, 0.08);
  --color-primary-border: rgba(5, 150, 105, 0.20);

  --color-accent:         #d97706;
  --color-accent-light:   #f59e0b;
  --color-accent-dark:    #b45309;
  --color-accent-glow:    rgba(217, 119, 6, 0.18);
  --color-accent-subtle:  rgba(217, 119, 6, 0.08);
  --color-accent-border:  rgba(217, 119, 6, 0.20);

  --bg-base:     #F4F7F5;
  --bg-deep:     #FFFFFF;
  --bg-surface:  #EEF2EE;
  --bg-card:     rgba(255,255,255,0.95);
  --bg-card-hover: rgba(255,255,255,1);
  --bg-elevated: #FFFFFF;
  --bg-overlay:  #E8EEE9;

  --card-bg:        rgba(255,255,255,0.90);
  --card-bg-light:  rgba(248,252,249,0.85);
  --card-border:    rgba(0,0,0,0.07);
  --card-border-em: rgba(5,150,105,0.18);
  --card-border-gold: rgba(217,119,6,0.18);
  --card-shadow:
    0 1px 3px rgba(0,0,0,0.08),
    0 4px 12px rgba(0,0,0,0.06),
    0 8px 24px rgba(0,0,0,0.04),
    inset 0 1px 0 rgba(255,255,255,0.80);
  --card-shadow-hover:
    0 2px 8px rgba(0,0,0,0.10),
    0 8px 24px rgba(0,0,0,0.08),
    0 16px 40px rgba(0,0,0,0.05),
    inset 0 1px 0 rgba(255,255,255,1);
  --card-shadow-em:
    0 1px 3px rgba(0,0,0,0.07),
    0 4px 14px rgba(0,0,0,0.05),
    0 0 0 1px rgba(5,150,105,0.14),
    inset 0 1px 0 rgba(255,255,255,0.80);

  --glass-bg:    rgba(255,255,255,0.85);
  --glass-blur:  18px;

  --text-primary:   #0D1520;
  --text-secondary: #4A5568;
  --text-muted:     #8A9BB2;
  --text-disabled:  #C0CCDA;
  --text-inverse:   #F4F7F5;
  --text-emerald:   #059669;
  --text-gold:      #d97706;

  --border-subtle:  rgba(0,0,0,0.05);
  --border-default: rgba(0,0,0,0.09);
  --border-strong:  rgba(0,0,0,0.15);

  --shadow-xs:      0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm:      0 2px 6px rgba(0,0,0,0.08);
  --shadow-md:      0 4px 14px rgba(0,0,0,0.10);
  --shadow-lg:      0 8px 28px rgba(0,0,0,0.12);
  --shadow-xl:      0 16px 48px rgba(0,0,0,0.14);
  --shadow-emerald: 0 4px 20px rgba(5,150,105,0.22), 0 1px 4px rgba(5,150,105,0.12);
  --shadow-gold:    0 4px 20px rgba(217,119,6,0.22), 0 1px 4px rgba(217,119,6,0.12);

  --gradient-primary: linear-gradient(140deg, #065f46 0%, #059669 45%, #10b981 100%);
  --gradient-accent:  linear-gradient(140deg, #92400e 0%, #b45309 50%, #d97706 100%);
  --gradient-card:    linear-gradient(160deg, rgba(5,150,105,0.05) 0%, rgba(217,119,6,0.02) 100%);
  --gradient-hero:    linear-gradient(165deg, #E8F4EE 0%, #F0FAF5 50%, #E8F4EE 100%);
  --gradient-mesh:
    radial-gradient(ellipse at 15% 40%, rgba(5,150,105,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(217,119,6,0.04) 0%, transparent 45%),
    radial-gradient(ellipse at 55% 85%, rgba(5,150,105,0.04) 0%, transparent 50%);

  --nav-height:   65px;
  --nav-bg:       rgba(255,255,255,0.94);
  --nav-border:   rgba(0,0,0,0.07);
  --nav-active:   var(--color-primary);
  --nav-inactive: #9BAAB8;

  --pattern-color: rgba(5, 150, 105, 0.03);
}

/* ── Global Tokens (theme-independent) ───────────────────── */
:root {
  /* ── Spacing ── */
  --space-1:  4px;   --space-2:  8px;   --space-3:  12px;
  --space-4:  16px;  --space-5:  20px;  --space-6:  24px;
  --space-8:  32px;  --space-10: 40px;  --space-12: 48px;
  --space-16: 64px;

  /* ── Type Scale ── */
  --text-xs:   11px;  --text-sm:   13px;  --text-base: 15px;
  --text-md:   17px;  --text-lg:   20px;  --text-xl:   24px;
  --text-2xl:  28px;  --text-3xl:  34px;  --text-4xl:  42px;
  --text-5xl:  54px;

  /* ── Fonts ── */
  --font-display: 'Cairo', system-ui, sans-serif;
  --font-body:    'Tajawal', 'Cairo', system-ui, sans-serif;
  --font-quran:   'Amiri', 'Cairo', serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* ── Radius ── */
  --radius-xs:   6px;   --radius-sm:   9px;   --radius-md:   12px;
  --radius-lg:   16px;  --radius-xl:   20px;  --radius-2xl:  24px;
  --radius-3xl:  32px;  --radius-full: 9999px;

  /* ── Transitions ── */
  --ease-out:    cubic-bezier(0.0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-back:   cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --transition-fast:   120ms var(--ease-in-out);
  --transition-base:   220ms var(--ease-in-out);
  --transition-slow:   380ms var(--ease-in-out);
  --transition-spring: 480ms var(--ease-spring);
  --transition-page:   320ms var(--ease-out);

  /* ── Z-index ── */
  --z-below: -1; --z-base: 0; --z-above: 10;
  --z-nav: 200;  --z-modal: 300; --z-toast: 400; --z-splash: 999;

  /* ── Layout ── */
  --max-width:     480px;
  --header-height: 56px;
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
