/* ============================================================
   یار طب — Design Tokens (Single Source of Truth)
   ============================================================ */

/* --- Raw Color Ramps --- */
:root {
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;

  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* --- Semantic Tokens: Light Mode --- */
  --brand-primary:       var(--blue-600);
  --brand-primary-dark:  var(--blue-900);
  --brand-primary-light: var(--blue-100);
  --brand-accent:        #4f46e5;
  --brand-gradient:      linear-gradient(135deg, var(--blue-600), #4f46e5);
  --brand-gradient-soft: linear-gradient(135deg, var(--blue-50), #eef2ff);

  --bg-body:      var(--gray-50);
  --bg-surface:   #ffffff;
  --bg-surface-2: var(--gray-100);
  --bg-hover:     var(--blue-50);

  --text-primary:   var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted:     var(--gray-400);
  --text-on-brand:  #ffffff;

  --border-color: var(--gray-200);
  --border-strong: var(--gray-300);

  --shadow-sm:   0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
  --shadow-md:   0 4px 16px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
  --shadow-lg:   0 10px 40px rgba(15,23,42,.1),  0 4px 8px rgba(15,23,42,.05);
  --shadow-glow: 0 0 0 3px rgba(37,99,235,.15);

  /* --- Status --- */
  --color-success:    #16a34a;
  --color-success-bg: #dcfce7;
  --color-danger:     #dc2626;
  --color-danger-bg:  #fee2e2;
  --color-warning:    #d97706;
  --color-warning-bg: #fef3c7;
  --color-info:       #0891b2;
  --color-info-bg:    #cffafe;

  /* --- Geometry --- */
  --radius-xs:  6px;
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  --sidebar-width:  272px;
  --topbar-height:  68px;
  --font-size-base: 1rem;

  --transition-fast:   .15s ease;
  --transition-normal: .25s ease;
  --transition-slow:   .4s ease;
}

/* --- Dark Mode Tokens --- */
[data-theme="dark"] {
  --brand-primary:       var(--blue-400);
  --brand-primary-dark:  var(--blue-700);
  --brand-primary-light: rgba(59,130,246,.15);
  --brand-accent:        #818cf8;
  --brand-gradient:      linear-gradient(135deg, var(--blue-500), #6366f1);
  --brand-gradient-soft: linear-gradient(135deg, rgba(37,99,235,.12), rgba(99,102,241,.08));

  --bg-body:      #080d17;
  --bg-surface:   #0f1623;
  --bg-surface-2: #161f30;
  --bg-hover:     rgba(59,130,246,.1);

  --text-primary:   #e2e8f4;
  --text-secondary: #a8b4c8;
  --text-muted:     #64748b;
  --text-on-brand:  #ffffff;

  --border-color:  #1e2a40;
  --border-strong: #263248;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.3),   0 1px 2px rgba(0,0,0,.2);
  --shadow-md:   0 4px 16px rgba(0,0,0,.4),  0 2px 4px rgba(0,0,0,.2);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.25);
  --shadow-glow: 0 0 0 3px rgba(59,130,246,.2);

  --color-success-bg: rgba(22,163,74,.15);
  --color-danger-bg:  rgba(220,38,38,.15);
  --color-warning-bg: rgba(217,119,6,.15);
  --color-info-bg:    rgba(8,145,178,.15);
}