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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    color: #2c3e50;
    gap: .5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #666;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2c3e50;
}

/* Main content */
main {
    flex: 1;
    padding: 3rem 0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #34495e;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #34495e;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Article styles */
article {
    line-height: 1.8;
}

article img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
}

article ul, article ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

article li {
    margin-bottom: 0.5rem;
}

article blockquote {
    border-left: 4px solid #e0e0e0;
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: #666;
    font-style: italic;
}

article code {
    background-color: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

article pre {
    background-color: #f5f5f5;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

article pre code {
    background-color: transparent;
    padding: 0;
}

/* Article cards */
.articles-list {
    margin-top: 2rem;
}

.article-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.3s;
}

.article-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.article-card h3 {
    margin-top: 0;
}
.container table {
    width: 100%;
    margin: 25px 0;
}
.container table td, .container table th {
    padding: 5px 10px;
    border-bottom:1px solid #e0e0e0;
}

.article-meta {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content p {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-content a {
    color: #3498db;
    text-decoration: none;
    padding: 0 0.5rem;
}

.footer-content a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

.header-logo {
    width: 30px;
    height: 30px;
    object-fit: contain;
}