:root {
  /* Brand Colors */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;
  
  /* Status Colors (Red = Missed/Absent, Orange = Leave Request, Green = Present/Approved, Amber = Late) */
  --color-missed: #ef4444;
  --color-missed-bg: #fef2f2;
  --color-missed-border: #fecaca;
  --color-missed-glow: rgba(239, 68, 68, 0.25);
  
  --color-leave: #f97316;
  --color-leave-bg: #fff7ed;
  --color-leave-border: #fed7aa;
  --color-leave-glow: rgba(249, 115, 22, 0.25);
  
  --color-present: #10b981;
  --color-present-bg: #ecfdf5;
  --color-present-border: #a7f3d0;
  
  --color-late: #f59e0b;
  --color-late-bg: #fffbeb;
  --color-late-border: #fde68a;

  /* Neutral Slate Palette */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-subtle: #f1f5f9;
  --bg-input: #ffffff;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --text-inverse: #ffffff;
  
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-focus: #3b82f6;
  
  /* Radii & Shadows */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Typography */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Header & Navigation Heights */
  --header-height: 64px;
  --bottom-nav-height: 68px;
  --sidebar-width: 275px;
}