* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: bold;
        }

        .admin-link {
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            transition: color 0.3s ease;
        }
        
        .add-btn {
            background: rgba(255,255,255,0.2);
            border: none;
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .add-btn:hover {
            background: rgba(255,255,255,0.3);
            transform: scale(1.1);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 100px 2rem 2rem;
        }
        
        .articles-list {
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        
        .article-item {
            padding: 1.5rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .article-item:hover {
            background: #f8f9fa;
        }
        
        .article-item:last-child {
            border-bottom: none;
        }
        
        .article-info {
            flex: 1;
        }
        
        .article-title {
            font-size: 1.2rem;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }
        
        .article-meta {
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        
        .article-actions {
            display: flex;
            gap: 10px;
        }
        
        .delete-btn {
            background: #e74c3c;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .delete-btn:hover {
            background: #c0392b;
        }
        
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            backdrop-filter: blur(5px);
        }
        
        .modal-content {
            background-color: white;
            margin: 15% auto;
            padding: 2rem;
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        
        .modal-header {
            text-align: center;
            margin-bottom: 1.5rem;
        }
        
        .modal-body {
            margin-bottom: 1.5rem;
        }
        
        .modal-input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        
        .modal-input:focus {
            outline: none;
            border-color: #667eea;
        }
        
        .modal-actions {
            display: flex;
            gap: 10px;
            justify-content: flex-end;
        }
        
        .btn {
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .btn-primary {
            background: #667eea;
            color: white;
        }
        
        .btn-primary:hover {
            background: #5a6fd8;
        }
        
        .btn-secondary {
            background: #6c757d;
            color: white;
        }
        
        .btn-secondary:hover {
            background: #5a6268;
        }
        
        .empty-state {
            text-align: center;
            padding: 3rem;
            color: #7f8c8d;
        }
        
        .empty-state img {
            width: 100px;
            height: 100px;
            margin-bottom: 1rem;
            opacity: 0.5;
        }
        
        .notification {
            position: fixed;
            top: 80px;
            right: 20px;
            padding: 1rem 1.5rem;
            border-radius: 5px;
            color: white;
            font-weight: bold;
            z-index: 3000;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        
        .notification.show {
            transform: translateX(0);
        }
        
        .notification.success {
            background: #27ae60;
        }
        
        .notification.error {
            background: #e74c3c;
        }
        
        @media (max-width: 768px) {
            .header {
                padding: 1rem;
            }
            
            .container {
                padding: 90px 1rem 1rem;
            }
            
            .article-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .article-actions {
                align-self: flex-end;
            }
        }