:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #e0e7ff;
            --secondary: #3b82f6;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #1f2937;
            --light: #f9fafb;
        }
        
        body {
            font-family: 'Inter', 'Segoe UI', sans-serif;
            background-color: #f3f4f6;
            transition: all 0.3s ease;
        }
        
        .card {
            border-radius: 0.75rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .card:hover {
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .btn {
            border-radius: 0.5rem;
            font-weight: 500;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        
        .btn:focus {
            outline: none;
            ring: 2px;
            ring-offset: 2px;
        }
        
        .btn-primary {
            background-color: var(--primary);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        
        .btn-danger {
            background-color: var(--danger);
            color: white;
        }
        
        .btn-danger:hover {
            background-color: #dc2626;
            transform: translateY(-1px);
        }
        
        .btn-gray {
            background-color: #6b7280;
            color: white;
        }
        
        .btn-gray:hover {
            background-color: #4b5563;
            transform: translateY(-1px);
        }
        
        .form-input {
            border: 1px solid #d1d5db;
            border-radius: 0.5rem;
            padding: 0.75rem 1rem;
            width: 100%;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
            outline: none;
        }
        
        .form-select {
            background-position: right 0.75rem center;
            background-repeat: no-repeat;
            background-size: 1.5em 1.5em;
            padding-right: 2.5rem;
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        }
        
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 9999px;
            padding: 0.35rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .badge-success {
            background-color: var(--success);
            color: white;
        }
        
        .badge-warning {
            background-color: var(--warning);
            color: white;
        }
        
        .badge-danger {
            background-color: var(--danger);
            color: white;
        }
        
        .table-container {
            overflow-x: auto;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        
        .table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
        }
        
        .table th {
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.75rem;
            letter-spacing: 0.05em;
        }
        
        .table th, .table td {
            padding: 1rem;
            vertical-align: middle;
            text-align: left;
            border-bottom: 1px solid #e5e7eb;
        }
        
        .table tr:last-child td {
            border-bottom: none;
        }
        
        .table-hover tr:hover {
            background-color: rgba(79, 70, 229, 0.05);
        }
        
        .table-striped tr:nth-child(even) {
            background-color: rgba(249, 250, 251, 0.8);
        }
        
        .app-header {
            background-color: white;
            border-bottom: 1px solid #e5e7eb;
            padding: 1.25rem;
            margin-bottom: 2rem;
            border-radius: 0.75rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
        }
        
        .notification {
            position: fixed;
            bottom: 20px;
            right: 20px;
            padding: 1rem 1.5rem;
            border-radius: 0.5rem;
            background-color: var(--primary);
            color: white;
            display: none;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            z-index: 50;
            animation: slideIn 0.3s ease-out;
        }
        
        @keyframes slideIn {
            from {
                transform: translateY(100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 40;
            animation: fadeIn 0.3s ease-out;
            overflow-y: auto;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        
        .modal-content {
            background-color: white;
            margin: 2rem auto;
            padding: 2rem;
            border-radius: 0.75rem;
            width: 90%;
            max-width: 500px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            animation: scaleIn 0.3s ease-out;
        }
        
        @keyframes scaleIn {
            from {
                transform: scale(0.95);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        @media (max-width: 640px) {
            .input-group {
                flex-direction: column;
            }
            
            .input-group-item {
                margin-bottom: 0.75rem;
            }
            
            .modal-content {
                margin: 1rem;
                width: calc(100% - 2rem);
                padding: 1.5rem;
            }
            
            .app-header {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            
            .table th, .table td {
                padding: 0.75rem 0.5rem;
                font-size: 0.85rem;
            }
        }