/* ===== Design Tokens — single source of truth =====
   Import this file first in every page before any other stylesheet.
   Corner radii follow the WinUI 3 spec:
     --radius-sm  → ControlCornerRadius  (4px)  buttons, inputs, small controls
     --radius     → ControlCornerRadius  (4px)  standard controls
     --radius-lg  → OverlayCornerRadius  (8px)  cards, panels, flyouts, dialogs
   ===================================================== */
:root {
  /* Brand */
  --primary:       #2B5499;
  --primary-dark:  #1a3565;
  --primary-mid:   #234480;
  --primary-light: #3a6dbf;
  --primary-50:    #e8eef8;

  --accent:        #C4622A;
  --accent-dark:   #a3501f;
  --accent-light:  #e07a3a;
  --accent-50:     #fde8d8;

  /* Semantic colours */
  --green:         #15803d;
  --green-bg:      #dcfce7;
  --yellow:        #a16207;
  --yellow-bg:     #fef9c3;
  --red:           #b91c1c;
  --red-bg:        #fee2e2;
  --purple:        #7c3aed;
  --purple-bg:     #ede9fe;

  /* Greys */
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;
  --white:    #ffffff;

  /* Corner radii — WinUI 3 */
  --radius-sm: 4px;   /* ControlCornerRadius  — buttons, inputs, chips */
  --radius:    4px;   /* ControlCornerRadius  — standard controls       */
  --radius-lg: 8px;   /* OverlayCornerRadius  — cards, panels, flyouts  */

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.12), 0 4px 10px rgba(0,0,0,.08);

  /* Typography */
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}