/* Calendar Styles */
        .calendar-container {
            max-width: 100%;
            margin: 0 auto;
        }
        
        .calendar-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
           
            padding: 0.5rem;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 10px;
        }
        
        .calendar-nav-btn {
            background: #007bff;
            color: white;
            border: none;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .calendar-nav-btn:hover {
            background: #0056b3;
            transform: scale(1.1);
        }
        
        .calendar-title {
            font-size: 1rem;
            font-weight: 600;
            color: #495057;
            margin: 0;
        }
        
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 2px;
            background: #dee2e6;
            border-radius: 10px;
            padding: 2px;
            overflow: hidden;
        }
        
        .calendar-day-header {
            background: #6c757d;
            color: white;
            text-align: center;
            padding: 0.5rem;
            font-weight: 600;
            font-size: 0.8rem;
        }
        
        .calendar-day {
            background: white;
            border: none;
            padding: 0.35rem 0.25rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
            
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            font-weight: 500;
        }
        
        .calendar-day:hover:not(.disabled):not(.other-month) {
            background: #e3f2fd;
            transform: scale(1.05);
        }
        
        .calendar-day.available {
            background: #d4edda;
            color: #155724;
            font-weight: 600;
        }
        
        .calendar-day.available:hover {
            background: #c3e6cb;
        }
        
        .calendar-day.selected {
            background: #007bff;
            color: white;
            font-weight: bold;
        }
        
        .calendar-day.disabled {
            background: #f8f9fa;
            color: #6c757d;
            cursor: not-allowed;
        }
        
        .calendar-day.other-month {
            background: #f8f9fa;
            color: #adb5bd;
            cursor: not-allowed;
        }
        
        .calendar-day.today {
            background: #fff3cd;
            color: #856404;
            font-weight: bold;
        }
        
        .calendar-day.today.available {
            background: #28a745;
            color: white;
        }
        
        /* Time slots styles */
        .time-slots-container {
            margin-top: 0.5rem;
            display: none;
        }
        
        .time-slots-header {
            background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
            color: white;
            padding: 1rem;
            border-radius: 10px 10px 0 0;
            text-align: center;
        }
        
        .time-slots-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 0.5rem;
            padding: 1rem;
            background: #f8f9fa;
            border-radius: 0 0 10px 10px;
            border: 1px solid #dee2e6;
            border-top: none;
        }
        
        .time-slot {
            background: white;
            border: 2px solid #dee2e6;
            border-radius: 8px;
            padding: 0.75rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        .time-slot:hover {
            border-color: #007bff;
            background: #e3f2fd;
            transform: translateY(-2px);
        }
        
        .time-slot.selected {
            background: #007bff;
            color: white;
            border-color: #0056b3;
        }
        
        .time-slot.reserved {
            background: #f8d7da;
            color: #721c24;
            border-color: #f5c6cb;
            cursor: not-allowed;
        }
        
        .selection-summary {
            margin-top: 1rem;
            padding: 1rem;
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
            border-radius: 10px;
            border-left: 5px solid #28a745;
        }
        
        .selection-summary.warning {
            background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
            border-left-color: #ffc107;
        }
        
        .selection-summary.error {
            background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
            border-left-color: #dc3545;
        }