/* VietNews Web v1 Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.search-form {
    margin: 20px 0;
}

.search-input {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn {
    background: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn:hover {
    background: #0056b3;
}

.results {
    margin-top: 30px;
}

.article {
    background: #f8f9fa;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.article h3 {
    margin-top: 0;
}

.article-meta {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
}