/* Custom Animations */
    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .animate-slide-in {
      animation: slideIn 0.3s ease-out;
    }

    .animate-fade-in {
      animation: fadeIn 0.2s ease-out;
    }

    /* Tab Transitions */
    .tab-content {
      display: none;
      animation: fadeIn 0.3s ease-out;
    }

    .tab-content.active {
      display: block;
    }

    /* Custom Scrollbar */
    .custom-scrollbar::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }

    .custom-scrollbar::-webkit-scrollbar-track {
      background: #f1f5f9;
      border-radius: 4px;
    }

    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }

    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }

    /* Card Hover Effects */
    .card-hover {
      transition: all 0.2s ease-in-out;
    }

    .card-hover:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    }

    /* Status Badges */
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
    }

   
    /* Toast Notification */
    .toast {
      position: fixed;
      top: 1rem;
      right: 1rem;
      padding: 1rem 1.5rem;
      border-radius: 0.5rem;
      background: white;
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
      z-index: 2000;
      animation: slideIn 0.3s ease-out;
    }

    .toast.success {
      border-left: 4px solid #10b981;
    }

    .toast.error {
      border-left: 4px solid #ef4444;
    }

    .toast.warning {
      border-left: 4px solid #f59e0b;
    }

    /* Grid Layout for Planning */
    
    .planning-cell {
      border: 1px solid #e5e7eb;
      padding: 0.5rem;
      min-height: 60px;
      transition: background-color 0.15s;
    }

    .planning-cell:hover {
      background-color: #f9fafb;
    }

    /* Compact Mode */
    .compact-mode .planning-cell {
      padding: 0.25rem;
      min-height: 40px;
      font-size: 0.75rem;
    }

   
    /* Sticky Header */
    .sticky-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: white;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    /* Icon Buttons */
    .icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      border-radius: 0.375rem;
      transition: all 0.15s;
    }

    .icon-btn:hover {
      transform: scale(1.1);
    }

    
    /* Card Styles */
    .employee-card, .shift-card {
      background: white;
      border-radius: 0.75rem;
      padding: 1.5rem;
      border: 2px solid #e5e7eb;
      transition: all 0.2s;
    }

    .employee-card:hover, .shift-card:hover {
      border-color: #6366f1;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
    }

    /* Progress Bar */
    .progress-bar {
      height: 0.5rem;
      background: #e5e7eb;
      border-radius: 9999px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #6366f1, #8b5cf6);
      transition: width 0.3s ease;
    }