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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .header {
            background: white;
            padding: 20px 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            margin-bottom: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .header h1 {
            color: #667eea;
            font-size: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover {
            background: #5568d3;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
        }

        .btn-secondary {
            background: #6c757d;
            color: white;
        }

        .btn-secondary:hover {
            background: #5a6268;
        }

        .btn-success {
            background: #28a745;
            color: white;
        }

        .btn-danger {
            background: #dc3545;
            color: white;
        }

        .btn-small {
            padding: 6px 12px;
            font-size: 12px;
        }

        .filters {
            background: white;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .filter-group label {
            font-size: 12px;
            color: #666;
            font-weight: 600;
        }

        .filter-group input,
        .filter-group select {
            padding: 8px 12px;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            font-size: 14px;
            transition: border-color 0.3s;
        }

        .filter-group input:focus,
        .filter-group select:focus {
            outline: none;
            border-color: #667eea;
        }

        .orders-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .order-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .order-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        .order-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #f0f0f0;
        }

        .order-content {
            padding: 15px;
        }

        .order-header {
            display: flex;
            justify-content: space-between;
            align-items: start;
            margin-bottom: 10px;
        }

        .order-name {
            font-size: 16px;
            font-weight: 700;
            color: #333;
            flex: 1;
        }

        .order-price {
            background: #667eea;
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 700;
        }

        .order-udid {
            font-size: 12px;
            color: #666;
            margin-bottom: 10px;
            word-break: break-all;
        }

        .order-status {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .status-pending {
            background: #fff3cd;
            color: #856404;
        }

        .status-approved {
            background: #d4edda;
            color: #155724;
        }

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

        .order-date {
            font-size: 11px;
            color: #999;
            margin-top: 8px;
        }

        .order-actions {
            margin-top: 15px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pagination {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 30px 0;
        }

        .page-btn {
            padding: 10px 15px;
            background: white;
            border: 2px solid #667eea;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            color: #667eea;
            transition: all 0.3s;
        }

        .page-btn:hover,
        .page-btn.active {
            background: #667eea;
            color: white;
        }

        .page-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: white;
            border-radius: 15px;
            max-width: 600px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
        }

        .modal-header {
            padding: 20px;
            border-bottom: 2px solid #f0f0f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header h2 {
            color: #667eea;
            font-size: 22px;
        }

        .close-btn {
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: #999;
            line-height: 1;
        }

        .modal-body {
            padding: 20px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 600;
            font-size: 14px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            transition: border-color 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
        }

        .form-group input[type="file"] {
            padding: 8px;
        }

        .admin-panel {
            display: none;
        }

        .admin-panel.active {
            display: block;
        }

        .config-section {
            background: white;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .config-section h3 {
            color: #667eea;
            margin-bottom: 20px;
            font-size: 20px;
        }

        .loading {
            text-align: center;
            padding: 40px;
            color: white;
            font-size: 18px;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .empty-state h3 {
            color: #667eea;
            font-size: 24px;
            margin-bottom: 10px;
        }

        .empty-state p {
            color: #666;
            font-size: 16px;
        }

        .alert {
            padding: 15px 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        @media (max-width: 768px) {
            .orders-grid {
                grid-template-columns: 1fr;
            }

            .filters {
                flex-direction: column;
                align-items: stretch;
            }

            .header {
                flex-direction: column;
                align-items: stretch;
            }

            .header-actions {
                justify-content: stretch;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }
        }