/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
header {
    background-color: #333;
    color: white;
    padding: 1rem 20px;
    margin-bottom: 2rem;
}

header h1 {
    margin-bottom: 0.5rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ddd;
}

/* Main content */
main {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Post styles */
.post {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.post h2 {
    color: #333;
    margin-bottom: 0.5rem;
}

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

/* Sidebar */
#sidebar {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#sidebar h3 {
    margin-bottom: 1rem;
    color: #333;
}

#sidebar ul {
    list-style: none;
}

#sidebar a {
    color: #666;
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

#sidebar a:hover {
    color: #333;
}

/* Loading and error states */
.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

.error {
    text-align: center;
    padding: 2rem;
    color: #d9534f;
    background-color: #f8d7da;
    border: 1px solid #ebccd1;
    border-radius: 4px;
    margin: 1rem 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem 0;
    background-color: #333;
    color: white;
    margin-top: 2rem;
}

/* Responsive design */
@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
}