/* ============================================
   🎨 DESIGN TOKENS - نظام التصميم الموحد
   ============================================ */

:root {
  /* ========== COLORS - الألوان الأساسية ========== */
  /* Primary Palette */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;

  /* Accent Colors */
  --color-accent: #ec4899;
  --color-accent-hover: #db2777;
  --color-accent-dark: #be123c;
  --color-accent-light: #fbcfe8;

  /* Success */
  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-dark: #047857;
  --color-success-light: #d1fae5;

  /* Warning */
  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-dark: #b45309;
  --color-warning-light: #fef3c7;

  /* Danger */
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-danger-dark: #b91c1c;
  --color-danger-light: #fee2e2;

  /* Section Specific Colors */
  --section-css: #06b6d4;        /* السماوي */
  --section-css-light: #cffafe;
  --section-js: #f59e0b;          /* البرتقالي */
  --section-js-light: #fef3c7;
  --section-dart: #8b5cf6;        /* البنفسجي */
  --section-dart-light: #ede9fe;
  --section-flutter: #ec4899;     /* الوردي */
  --section-flutter-light: #fbcfe8;
  --section-js-basics: #6366f1;   /* الأزرق الداخلي */
  --section-js-basics-light: #e0e7ff;
  --section-php: #777bb4;         /* زهري فاتح */
  --section-php-light: #f3e8ff;
  --section-html: #f97316;         /* البرتقالي */
  --section-html-light: #ffedd5;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* ========== SEMANTIC COLORS ========== */
  --color-background: var(--color-white);
  --color-surface: var(--color-gray-50);
  --color-border: var(--color-gray-200);
  --color-text: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);

  /* ========== TYPOGRAPHY - الخطوط ========== */
  --font-family-base: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-family-accent: 'Alexandria', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;        /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */

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

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Letter Spacing */
  --letter-spacing-tight: -0.015em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  /* ========== SPACING - المسافات (8px base) ========== */
  --space-0: 0;
  --space-1: 0.25rem;     /* 4px */
  --space-2: 0.5rem;      /* 8px */
  --space-3: 0.75rem;     /* 12px */
  --space-4: 1rem;        /* 16px */
  --space-5: 1.25rem;     /* 20px */
  --space-6: 1.5rem;      /* 24px */
  --space-8: 2rem;        /* 32px */
  --space-10: 2.5rem;     /* 40px */
  --space-12: 3rem;       /* 48px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */

  /* ========== BORDER RADIUS ========== */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* ========== SHADOWS ========== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);

  /* Glass Morphism Shadows */
  --shadow-glass: 0 8px 32px rgba(31, 38, 135, 0.37);

  /* ========== TRANSITIONS ========== */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* ========== Z-INDEX ========== */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-notification: 600;
  --z-tooltip: 700;
  --z-popover: 750;

  /* ========== BREAKPOINTS ========== */
  --breakpoint-sm: 640px;
  --breakpoint-md: 1024px;
  --breakpoint-lg: 1280px;
  --breakpoint-xl: 1536px;

  /* ========== GLASS MORPHISM ========== */
  --glass-blur: 10px;
  --glass-opacity: 0.7;
}

/* ========== DARK MODE ========== */
[data-theme="dark"] {
  /* Semantic Colors for Dark Mode */
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-border: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;

  /* Adjust neutral grays for dark mode */
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Adjust primary colors for dark mode */
  --color-primary: #60a5fa;
  --color-primary-hover: #93c5fd;
  --color-primary-dark: #1e40af;
  --color-primary-light: #1e3a8a;

  /* Adjust accent colors for dark mode */
  --color-accent: #f472b6;
  --color-accent-hover: #fbcfe8;
  --color-accent-dark: #831843;
  --color-accent-light: #500724;

  /* Adjust success colors for dark mode */
  --color-success: #34d399;
  --color-success-hover: #6ee7b7;
  --color-success-dark: #055e3d;
  --color-success-light: #064e3b;

  /* Adjust warning colors for dark mode */
  --color-warning: #fcd34d;
  --color-warning-hover: #fde68a;
  --color-warning-dark: #78350f;
  --color-warning-light: #592e0d;

  /* Adjust danger colors for dark mode */
  --color-danger: #f87171;
  --color-danger-hover: #fca5a5;
  --color-danger-dark: #7c2d12;
  --color-danger-light: #5b1c1c;
}

/* ========== PRINT MODE ========== */
@media print {
  :root {
    --color-background: var(--color-white);
    --color-text: var(--color-black);
  }
}