* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
            color: white;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .dashboard {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: transform 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
        }

        .card h2 {
            color: #667eea;
            margin-bottom: 20px;
            font-size: 1.5rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 10px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
            color: #555;
        }

        input, select, textarea {
            width: 100%;
            padding: 10px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            transition: border-color 0.3s ease;
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        textarea {
            resize: vertical;
            min-height: 80px;
        }

        button {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            margin-right: 10px;
            margin-bottom: 10px;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

        .btn-danger {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
        }

        .filters {
            background: white;
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .filters h3 {
            color: #667eea;
            margin-bottom: 15px;
        }

        .filter-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            align-items: end;
        }

        .data-table {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            overflow-x: auto;
            margin-bottom: 30px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
        }

        th, td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid #e0e0e0;
        }

        th {
            background: #f8f9fa;
            font-weight: 600;
            color: #555;
        }

        tr:hover {
            background: #f8f9fa;
        }

        .action-buttons {
            display: flex;
            gap: 5px;
        }

        .action-buttons button {
            padding: 6px 12px;
            font-size: 12px;
            margin: 0;
        }

        .status {
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .status.success {
            background: #d4edda;
            color: #155724;
        }

        .status.error {
            background: #f8d7da;
            color: #721c24;
        }

        .loading {
            text-align: center;
            padding: 20px;
            color: #666;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
        }

        .modal-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 30px;
            border-radius: 15px;
            width: 90%;
            max-width: 500px;
            max-height: 80vh;
            overflow-y: auto;
        }

        .close {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 24px;
            cursor: pointer;
            color: #999;
        }

        .close:hover {
            color: #333;
        }

        @media (max-width: 768px) {
            .dashboard {
                grid-template-columns: 1fr;
            }
            
            .header h1 {
                font-size: 2rem;
            }
        }