/* ==========================================================================
   VaultEdu System Realm — Design Variables
   GOD VIEW admin panel — Dark teal theme with gold accent
   ========================================================================== */

:root {
  /* — Spacing (4px base) — */
  --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;

  /* — Typography — */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', var(--font-body);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* — Border Radius — */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --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, 0.25);

  /* — Transitions — */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-default);
  --transition-normal: 250ms var(--ease-default);
  --transition-slow: 400ms var(--ease-default);

  /* — Z-Index Scale — */
  --z-base: 0;
  --z-raised: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-toast: 60;
  --z-loading: 999;

  /* — Color Palette (System Realm = Dark Teal + Gold) — */
  --color-bg-primary: #0a0f1a;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1a2332;
  --color-bg-elevated: #1e293b;
  --color-bg-hover: #243244;
  --color-bg-active: #2d3d52;

  --color-surface: #151f2e;
  --color-surface-hover: #1c2a3d;
  --color-surface-border: #2a3a4e;

  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-tertiary: #64748b;
  --color-text-inverse: #0a0f1a;

  --color-border: #2a3a4e;
  --color-border-light: #1e293b;
  --color-border-focus: #2dd4bf;

  --color-accent: #2dd4bf;
  --color-accent-hover: #14b8a6;
  --color-accent-light: rgba(45, 212, 191, 0.15);
  --color-accent-text: #0a0f1a;

  --color-gold: #f59e0b;
  --color-gold-hover: #d97706;
  --color-gold-light: rgba(245, 158, 11, 0.15);

  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.15);
  --color-warning: #f59e0b;
  --color-warning-light: rgba(245, 158, 11, 0.15);
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-danger-light: rgba(239, 68, 68, 0.15);
  --color-info: #3b82f6;
  --color-info-light: rgba(59, 130, 246, 0.15);

  --color-purple: #a78bfa;
  --color-purple-light: rgba(167, 139, 250, 0.15);

  --color-input-bg: #1a2332;
  --color-input-border: #2a3a4e;
  --color-input-focus: #2dd4bf;
  --color-input-placeholder: #64748b;

  --color-scrollbar-track: #111827;
  --color-scrollbar-thumb: #2a3a4e;

  /* — Layout — */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --header-height: 64px;
  --content-max-width: 1400px;
}