/* ═══════════════════════════════════════════════════════════════
   TADAWI DESIGN LANGUAGE (TDL) — Design Tokens
   Single source of truth for the entire Tadawi product.
   Every component MUST consume these tokens.
   No hardcoded values allowed.
   ═══════════════════════════════════════════════════════════════ */

:root {

  /* ─── BRAND COLORS ─── */
  --tdl-primary: #28B8D6;
  --tdl-primary-hover: #1FA4C2;
  --tdl-primary-light: #DFF7FC;
  --tdl-primary-dark: #1690AA;
  --tdl-primary-gradient: linear-gradient(135deg, #28B8D6, #1FA4C2);

  /* Primary Scale */
  --tdl-primary-50: #E8F8FC;
  --tdl-primary-100: #D1F1F9;
  --tdl-primary-200: #A3E3F3;
  --tdl-primary-300: #6DD4EC;
  --tdl-primary-400: #3BC4E3;
  --tdl-primary-500: #28B8D6;
  --tdl-primary-600: #1FA4C2;
  --tdl-primary-700: #1690AA;
  --tdl-primary-800: #0F6E85;
  --tdl-primary-900: #094D5E;

  /* ─── NEUTRAL COLORS ─── */
  --tdl-text-primary: #4A4A4A;
  --tdl-text-secondary: #6B7280;
  --tdl-text-tertiary: #9CA3AF;
  --tdl-text-disabled: #D1D5DB;
  --tdl-text-inverse: #FFFFFF;

  --tdl-border: #E5E7EB;
  --tdl-border-light: #F1F3F5;
  --tdl-border-focus: #28B8D6;

  --tdl-divider: #F1F3F5;

  --tdl-surface: #F8FAFB;
  --tdl-card: #FFFFFF;
  --tdl-background: #FFFFFF;

  --tdl-hover: #F3F4F6;
  --tdl-active: #E5E7EB;
  --tdl-selected: #DFF7FC;

  /* ─── STATUS COLORS ─── */
  --tdl-success: #22C55E;
  --tdl-success-light: #F0FDF4;
  --tdl-success-dark: #16A34A;

  --tdl-warning: #F59E0B;
  --tdl-warning-light: #FFFBEB;
  --tdl-warning-dark: #D97706;

  --tdl-danger: #EF4444;
  --tdl-danger-light: #FEF2F2;
  --tdl-danger-dark: #DC2626;

  --tdl-info: #28B8D6;
  --tdl-info-light: #DFF7FC;
  --tdl-info-dark: #1690AA;

  /* ─── CHART PALETTE ─── */
  --tdl-chart-1: #28B8D6;
  --tdl-chart-2: #1FA4C2;
  --tdl-chart-3: #63D4EA;
  --tdl-chart-4: #9BE6F2;
  --tdl-chart-5: #DFF7FC;
  --tdl-chart-6: #1690AA;

  /* ─── TYPOGRAPHY ─── */
  --tdl-font: 'Plus Jakarta Sans', 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tdl-font-en: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tdl-font-ar: 'Cairo', 'Plus Jakarta Sans', sans-serif;
  --tdl-font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

  /* Font Sizes */
  --tdl-text-2xs: 0.625rem;   /* 10px */
  --tdl-text-xs: 0.75rem;     /* 12px */
  --tdl-text-sm: 0.875rem;    /* 14px */
  --tdl-text-base: 1rem;      /* 16px */
  --tdl-text-lg: 1.125rem;    /* 18px */
  --tdl-text-xl: 1.25rem;     /* 20px */
  --tdl-text-2xl: 1.5rem;     /* 24px */
  --tdl-text-3xl: 1.875rem;   /* 30px */
  --tdl-text-4xl: 2.25rem;    /* 36px */
  --tdl-text-5xl: 3rem;       /* 48px */
  --tdl-text-6xl: 3.75rem;    /* 60px */

  /* Font Weights */
  --tdl-weight-regular: 400;
  --tdl-weight-medium: 500;
  --tdl-weight-semibold: 600;
  --tdl-weight-bold: 700;
  --tdl-weight-extrabold: 800;

  /* Line Heights */
  --tdl-leading-none: 1;
  --tdl-leading-tight: 1.25;
  --tdl-leading-snug: 1.375;
  --tdl-leading-normal: 1.5;
  --tdl-leading-relaxed: 1.625;
  --tdl-leading-loose: 2;

  /* Letter Spacing */
  --tdl-tracking-tighter: -0.05em;
  --tdl-tracking-tight: -0.025em;
  --tdl-tracking-normal: 0;
  --tdl-tracking-wide: 0.025em;
  --tdl-tracking-wider: 0.05em;
  --tdl-tracking-widest: 0.1em;

  /* ─── SPACING ─── */
  --tdl-0: 0;
  --tdl-px: 1px;
  --tdl-0-5: 0.125rem;  /* 2px */
  --tdl-1: 0.25rem;     /* 4px */
  --tdl-1-5: 0.375rem;  /* 6px */
  --tdl-2: 0.5rem;      /* 8px */
  --tdl-2-5: 0.625rem;  /* 10px */
  --tdl-3: 0.75rem;     /* 12px */
  --tdl-3-5: 0.875rem;  /* 14px */
  --tdl-4: 1rem;        /* 16px */
  --tdl-5: 1.25rem;     /* 20px */
  --tdl-6: 1.5rem;      /* 24px */
  --tdl-7: 1.75rem;     /* 28px */
  --tdl-8: 2rem;        /* 32px */
  --tdl-9: 2.25rem;     /* 36px */
  --tdl-10: 2.5rem;     /* 40px */
  --tdl-12: 3rem;       /* 48px */
  --tdl-14: 3.5rem;     /* 56px */
  --tdl-16: 4rem;       /* 64px */
  --tdl-20: 5rem;       /* 80px */
  --tdl-24: 6rem;       /* 96px */
  --tdl-28: 7rem;       /* 112px */
  --tdl-32: 8rem;       /* 128px */

  /* ─── BORDER RADIUS ─── */
  --tdl-radius-none: 0;
  --tdl-radius-xs: 4px;
  --tdl-radius-sm: 6px;
  --tdl-radius-md: 8px;
  --tdl-radius-lg: 12px;
  --tdl-radius-xl: 16px;
  --tdl-radius-2xl: 20px;
  --tdl-radius-3xl: 24px;
  --tdl-radius-full: 9999px;

  /* ─── ELEVATION / SHADOWS ─── */
  --tdl-shadow-none: none;
  --tdl-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --tdl-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --tdl-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --tdl-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.06), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --tdl-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --tdl-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --tdl-shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.04);

  /* Brand Shadows */
  --tdl-shadow-primary-sm: 0 1px 3px rgba(40, 184, 214, 0.2);
  --tdl-shadow-primary-md: 0 4px 12px rgba(40, 184, 214, 0.25);
  --tdl-shadow-primary-lg: 0 8px 24px rgba(40, 184, 214, 0.3);
  --tdl-shadow-primary-xl: 0 16px 48px rgba(40, 184, 214, 0.35);

  /* Card Shadows */
  --tdl-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
  --tdl-shadow-card-hover: 0 10px 30px rgba(40, 184, 214, 0.1), 0 0 0 1px rgba(40, 184, 214, 0.06);

  /* ─── OPACITY ─── */
  --tdl-opacity-0: 0;
  --tdl-opacity-5: 0.05;
  --tdl-opacity-10: 0.1;
  --tdl-opacity-20: 0.2;
  --tdl-opacity-25: 0.25;
  --tdl-opacity-30: 0.3;
  --tdl-opacity-40: 0.4;
  --tdl-opacity-50: 0.5;
  --tdl-opacity-60: 0.6;
  --tdl-opacity-70: 0.7;
  --tdl-opacity-75: 0.75;
  --tdl-opacity-80: 0.8;
  --tdl-opacity-90: 0.9;
  --tdl-opacity-95: 0.95;
  --tdl-opacity-100: 1;

  /* ─── ANIMATION / MOTION ─── */
  --tdl-duration-0: 0ms;
  --tdl-duration-75: 75ms;
  --tdl-duration-100: 100ms;
  --tdl-duration-150: 150ms;
  --tdl-duration-200: 200ms;
  --tdl-duration-300: 300ms;
  --tdl-duration-400: 400ms;
  --tdl-duration-500: 500ms;
  --tdl-duration-700: 700ms;
  --tdl-duration-1000: 1000ms;

  /* Easing */
  --tdl-ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --tdl-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --tdl-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --tdl-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --tdl-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --tdl-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --tdl-ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);

  /* ─── GRID ─── */
  --tdl-grid-cols: 12;
  --tdl-grid-gap: var(--tdl-6);

  /* ─── BREAKPOINTS (reference only) ─── */
  --tdl-bp-sm: 640px;
  --tdl-bp-md: 768px;
  --tdl-bp-lg: 1024px;
  --tdl-bp-xl: 1280px;
  --tdl-bp-2xl: 1536px;

  /* ─── Z-INDEX ─── */
  --tdl-z-dropdown: 1000;
  --tdl-z-sticky: 1100;
  --tdl-z-overlay: 1200;
  --tdl-z-modal: 1300;
  --tdl-z-popover: 1400;
  --tdl-z-toast: 1500;
  --tdl-z-tooltip: 1600;
  --tdl-z-max: 9999;

  /* ─── LAYOUT ─── */
  --tdl-sidebar-width: 260px;
  --tdl-sidebar-collapsed: 72px;
  --tdl-topbar-height: 64px;
  --tdl-container-max: 1280px;
  --tdl-container-padding: var(--tdl-6);

  /* ─── COMPATIBILITY ALIASES ─── */
  /* These allow existing code to work during migration */
  --primary: var(--tdl-primary);
  --primary-light: var(--tdl-primary-light);
  --primary-dark: var(--tdl-primary-dark);
  --primary-50: var(--tdl-primary-50);
  --primary-100: var(--tdl-primary-100);
  --primary-200: var(--tdl-primary-200);
  --primary-300: var(--tdl-primary-300);
  --primary-400: var(--tdl-primary-400);
  --primary-500: var(--tdl-primary-500);
  --primary-600: var(--tdl-primary-600);
  --primary-900: var(--tdl-primary-900);

  --white: var(--tdl-card);
  --bg: var(--tdl-surface);
  --bg-alt: var(--tdl-surface);
  --border: var(--tdl-border);
  --border-light: var(--tdl-border-light);

  --text-primary: var(--tdl-text-primary);
  --text-secondary: var(--tdl-text-secondary);
  --text-body: var(--tdl-text-secondary);
  --text-muted: var(--tdl-text-tertiary);
  --text-white: var(--tdl-text-inverse);

  --green: var(--tdl-success);
  --green-bg: var(--tdl-success-light);
  --red: var(--tdl-danger);
  --red-bg: var(--tdl-danger-light);
  --amber: var(--tdl-warning);
  --amber-bg: var(--tdl-warning-light);

  --gradient-primary: var(--tdl-primary-gradient);
  --gradient-hero: linear-gradient(160deg, #094D5E 0%, #28B8D6 50%, #1690AA 100%);
  --gradient-dark: linear-gradient(135deg, #0F6E85, #1690AA);

  --font: var(--tdl-font);

  --r-sm: var(--tdl-radius-sm);
  --r-md: var(--tdl-radius-md);
  --r-lg: var(--tdl-radius-lg);
  --r-xl: var(--tdl-radius-xl);
  --r-2xl: var(--tdl-radius-2xl);
  --r-full: var(--tdl-radius-full);

  --sh-xs: var(--tdl-shadow-xs);
  --sh-sm: var(--tdl-shadow-sm);
  --sh-md: var(--tdl-shadow-md);
  --sh-lg: var(--tdl-shadow-lg);
  --sh-xl: var(--tdl-shadow-xl);
  --sh-card: var(--tdl-shadow-card);
  --sh-card-hover: var(--tdl-shadow-card-hover);
  --sh-primary: var(--tdl-shadow-primary-md);

  --ease: var(--tdl-ease-default);
  --ease-out: var(--tdl-ease-out);
  --ease-spring: var(--tdl-ease-spring);
  --dur: var(--tdl-duration-300);
  --dur-slow: var(--tdl-duration-500);

  --z-header: var(--tdl-z-sticky);
  --z-modal: var(--tdl-z-modal);
  --z-toast: var(--tdl-z-toast);
}

/* ═══ DARK MODE ═══ */
[data-theme="dark"] {
  --tdl-text-primary: #E5E7EB;
  --tdl-text-secondary: #9CA3AF;
  --tdl-text-tertiary: #6B7280;
  --tdl-text-disabled: #4B5563;

  --tdl-border: #374151;
  --tdl-border-light: #1F2937;
  --tdl-divider: #1F2937;

  --tdl-surface: #111827;
  --tdl-card: #1F2937;
  --tdl-background: #0F172A;

  --tdl-hover: #374151;
  --tdl-active: #4B5563;
  --tdl-selected: rgba(40, 184, 214, 0.12);

  --tdl-primary-50: rgba(40, 184, 214, 0.08);
  --tdl-primary-100: rgba(40, 184, 214, 0.12);
  --tdl-primary-200: rgba(40, 184, 214, 0.2);

  --tdl-success-light: rgba(34, 197, 94, 0.1);
  --tdl-warning-light: rgba(245, 158, 11, 0.1);
  --tdl-danger-light: rgba(239, 68, 68, 0.1);
  --tdl-info-light: rgba(40, 184, 214, 0.1);

  --tdl-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --tdl-shadow-card-hover: 0 10px 30px rgba(40, 184, 214, 0.08), 0 0 0 1px rgba(40, 184, 214, 0.06);

  /* Compatibility */
  --white: var(--tdl-card);
  --bg: var(--tdl-surface);
  --bg-alt: var(--tdl-surface);
  --border: var(--tdl-border);
  --border-light: var(--tdl-border-light);
  --text-primary: var(--tdl-text-primary);
  --text-secondary: var(--tdl-text-secondary);
  --text-body: var(--tdl-text-secondary);
  --text-muted: var(--tdl-text-tertiary);
  --green-bg: var(--tdl-success-light);
  --red-bg: var(--tdl-danger-light);
  --amber-bg: var(--tdl-warning-light);
}