:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --code-bg: #f3f4f6;
    --sidebar-width: 280px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Боковая панель */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.nav {
    flex: 1;
    padding: 1rem 0;
}

.nav ul {
    list-style: none;
}

.nav li {
    margin: 0;
}

.nav a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.nav a:hover {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.nav li.active a {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    border-left: 3px solid var(--primary-color);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Основной контент */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: 900px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

.search-box {
    flex: 1;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Стили для Markdown контента */
.markdown-content {
    line-height: 1.8;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.25;
}

.markdown-content h1 {
    font-size: 2.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.markdown-content h2 {
    font-size: 1.875rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.markdown-content h3 {
    font-size: 1.5rem;
}

.markdown-content h4 {
    font-size: 1.25rem;
}

.markdown-content p {
    margin-bottom: 1rem;
}

.markdown-content a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.markdown-content code {
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
}

.markdown-content pre {
    background-color: #1f2937;
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.markdown-content pre code {
    background-color: transparent;
    padding: 0;
    color: #e5e7eb;
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
}

.markdown-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: italic;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    border-radius: 0.375rem;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.markdown-content table th,
.markdown-content table td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.markdown-content table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

.markdown-content hr {
    margin: 2rem 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

.page-info {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .search-box {
        max-width: none;
    }
}