/* ============================================
   NOTED - CSS Custom Properties
   ============================================ */

:root {
  /* Backgrounds */
  --bg-base: #0c0e12;
  --bg-surface: #111317;
  --bg-overlay: #181b21;
  --bg-elevated: #1e2128;
  --bg-hover: #262a32;
  --bg-active: #2e333c;

  /* Text */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0c0e12;

  /* Accent */
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-muted: rgba(99, 102, 241, 0.15);
  --accent-glow: 0 0 20px rgba(99, 102, 241, 0.3);

  /* Semantic Colors */
  --success: #22c55e;
  --success-muted: rgba(34, 197, 94, 0.15);
  --warning: #f59e0b;
  --warning-muted: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-muted: rgba(239, 68, 68, 0.15);
  --info: #3b82f6;
  --info-muted: rgba(59, 130, 246, 0.15);

  /* Borders & Glass */
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.12);
  --glass: rgba(255, 255, 255, 0.03);
  --glass-strong: rgba(255, 255, 255, 0.06);

  /* Radii */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: var(--accent-glow);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Layout */
  --sidebar-width: 780px;
  --sidebar-col-width: 240px;
  --toolbar-height: 52px;
  --page-tab-height: 42px;
}