:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --text-color: #333;
    --background-color: #f5f6fa;
    --accent-color: #3498db;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* viewport height */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    width: 100%;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
}

header h1 {
    margin: 0;
}

header a {
    color: white;
    text-decoration: none;
}

main {
    flex: 1 0 auto; /* This makes the main content area expand */
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 100%;
    box-sizing: border-box;
}

.blog-preview {
    background-color: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.blog-preview h2 {
    margin-top: 0;
    color: var(--primary-color);
}

.blog-preview a {
    color: var(--primary-color);
    text-decoration: none;
}

.blog-preview a:hover {
    color: var(--accent-color);
}

.post-date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-preview {
    color: var(--text-color);
}

.post-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

footer {
    flex-shrink: 0; /* Prevents the footer from shrinking */
    text-align: center;
    padding: 2rem;
    background-color: var(--secondary-color);
    color: white;
    width: 100%;
}

@media (max-width: 600px) {
    .blog-preview {
        padding: 1rem;
    }
    
    header {
        padding: 1rem;
    }
}

.loading {
    text-align: center;
    padding: 1rem;
    margin: 1rem 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.error {
    text-align: center;
    padding: 1rem;
    margin: 1rem 0;
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
}

.post-preview-image {
    margin-bottom: 1rem;
    overflow: hidden;
    border-radius: 4px;
}

.post-preview-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.post-preview-image img:hover {
    transform: scale(1.05);
}