  :root {
            --color-primary: #2c3e50;
            --color-secondary: #3498db;
            --color-success: #2ecc71;
            --color-danger: #e74c3c;
            --color-warning: #f39c12;
            --color-light: #f8f9fa;
            --color-dark: #343a40;
        }
        
        .system-body {
            background-color: var(--color-light);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .system-header {
            color: #2c3e50;
            padding: 1.5rem 0;

        }
        
        .card-custom {
            border: none;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            margin-bottom: 1.5rem;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .card-custom:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        }
        
        .card-taller {
            border-left: 4px solid var(--color-secondary);
        }
        
        .badge-custom {
            padding: 0.35em 0.65em;
            border-radius: 50px;
            font-size: 0.75em;
            font-weight: 600;
        }
        
        .badge-status-active {
            background-color: rgba(46, 204, 113, 0.2);
            color: var(--color-success);
        }
        
        .badge-status-inactive {
            background-color: rgba(231, 76, 60, 0.2);
            color: var(--color-danger);
        }
        
        .badge-inscritos {
            background-color: rgba(52, 152, 219, 0.2);
            color: var(--color-secondary);
        }
        
        .badge-filter {
            background-color: rgba(243, 156, 18, 0.2);
            color: var(--color-warning);
        }
        
        .collapse-inscritos {
            border-radius: 0 0 10px 10px;
            background-color: var(--color-light);
            max-height: 500px;
            overflow-y: auto;
        }
        
        .card-inscrito {
            border: none;
            border-radius: 8px;
            background: white;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            margin-bottom: 0.75rem;
            transition: transform 0.2s ease;
        }
        
        .card-inscrito:hover {
            transform: translateX(5px);
        }
        
        .header-fecha {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
            border-radius: 6px;
            padding: 0.5rem 1rem;
            margin-bottom: 0.75rem;
            border-left: 4px solid var(--color-secondary);
        }
        
        .state-empty {
            text-align: center;
            padding: 2rem;
            color: #6c757d;
        }
        
        .state-empty .material-icons {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .btn-view-inscritos {
            background-color: var(--color-secondary);
            border: none;
            color: white;
            transition: all 0.3s ease;
        }
        
        .btn-view-inscritos:hover {
            background-color: #2980b9;
            color: white;
        }
        
        .btn-view-inscritos.collapsed .icon-toggle {
            transform: rotate(0deg);
        }
        
        .btn-view-inscritos .icon-toggle {
            transform: rotate(180deg);
            transition: transform 0.3s ease;
        }
        
        .avatar-user {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-secondary) 0%, #2980b9 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1rem;
        }
        
        .grid-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        
        .item-info {
            font-size: 0.875rem;
            color: #6c757d;
        }
        
        .section-filter {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .filter-range {
            background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
            border-radius: 8px;
            padding: 1rem;
            margin-top: 1rem;
            border-left: 4px solid var(--color-warning);
        }
        
        .text-filter-active {
            font-weight: 600;
            color: var(--color-warning);
        }
        
        @media (max-width: 768px) {
            .grid-info {
                grid-template-columns: 1fr;
            }
            
            .section-filter {
                padding: 1rem;
            }
        }