/**
 * ============================================================
 * DALEL - دليل العقار - Design Tokens
 * CSS Variables for colors, spacing, radii, shadows, typography
 * ============================================================
 */

:root {
  /* ========== Brand Colors ========== */
  --c-primary: #5ba3d0;
  --c-primary-hover: #4a93c0;
  --c-primary-light: #e6f3fa;
  --c-primary-dark: #1e4164;
  --c-primary-dark-hover: #152d47;
  
  /* ========== Neutrals ========== */
  --c-bg: #f7f9fc;
  --c-bg-white: #ffffff;
  --c-card: #ffffff;
  --c-border: #e2e6eb;
  --c-border-light: #eef1f5;
  --c-text: #1a2332;
  --c-text-secondary: #5a6577;
  --c-muted: #8b95a5;
  
  /* ========== Semantic Colors ========== */
  --c-danger: #e74c3c;
  --c-danger-bg: #fdf2f4;
  --c-success: #25d366;
  --c-success-light: rgba(34, 197, 94, 0.1);
  --c-featured-bg: #fef5f6;
  --c-warning: #fbbf24;
  --c-warning-light: #fffbeb;
  --c-warning-dark: #92400e;
  
  /* ========== Spacing Scale ========== */
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-14: 14px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-28: 28px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-64: 64px;
  
  /* ========== Border Radii ========== */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 100px;
  --radius-full: 50%;
  
  /* ========== Shadows ========== */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 60px rgba(30, 65, 100, 0.1);
  --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
  --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-focus: 0 0 0 4px var(--c-primary-light);
  
  /* ========== Typography ========== */
  --font-family: "IBM Plex Sans Arabic", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 15px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 40px;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;
  
  /* ========== Layout ========== */
  --container-max: 1180px;
  --nav-height: 72px;
  --nav-height-mobile: 60px;
  
  /* ========== Z-Index Scale ========== */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-nav: 500;
  --z-drawer: 600;
  --z-overlay: 700;
  --z-modal: 800;
  
  /* ========== Transitions ========== */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Mobile overrides */
@media (max-width: 640px) {
  :root {
    --nav-height: var(--nav-height-mobile);
  }
}