:root {
    --primary-color: #0366d6;
    --text-color: #24292e;
    --bg-color: #ffffff;
    --border-color: #e1e4e8;
    --code-bg: #f6f8fa;
    --nav-bg: #f8f9fa;
    --nav-header-bg: #24292e;
    --nav-header-text: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #58a6ff;
        --text-color: #f0f6fc;
        --bg-color: #0d1117;
        --border-color: #30363d;
        --code-bg: #161b22;
        --nav-bg: #161b22;
        --nav-header-bg: #21262d;
        --nav-header-text: #f0f6fc;
        --shadow: rgba(0, 0, 0, 0.3);
    }
}

* {
    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);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

.navigation {
    width: 300px;
    background-color: var(--nav-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: transform 0.3s ease, background-color 0.3s ease;
    position: relative;
    z-index: 1000;
}

.nav-header {
    background-color: var(--nav-header-bg);
    color: var(--nav-header-text);
    padding: 20px;
    position: sticky;
    top: 0;
    z-index: 1001;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.nav-header h2 {
    margin: 0;
    font-size: 1.1em;
    font-weight: 600;
    line-height: 1.3;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s;
    color: var(--nav-header-text);
    position: relative;
}

.nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-toggle svg {
    display: block;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.collapse-icon {
    opacity: 1;
}

.expand-icon {
    position: absolute;
    top: 8px;
    left: 8px;
    opacity: 0;
}

.navigation.collapsed .collapse-icon {
    opacity: 0;
}

.navigation.collapsed .expand-icon {
    opacity: 1;
}

.hamburger {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--nav-header-text);
    margin: 2px 0;
    transition: 0.3s;
    border-radius: 1px;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    padding: 20px;
}

.nav-list li {
    margin-bottom: 5px;
}

.nav-list a {
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
    font-size: 14px;
    line-height: 1.4;
}

.nav-list a:hover {
    background-color: var(--border-color);
}

.nav-list .current a {
    background-color: var(--primary-color);
    color: white;
}

.content {
    flex: 1;
    padding: 40px;
    max-width: none;
    width: 100%;
    margin: 0;
    transition: margin-left 0.3s ease;
}

/* Ensure content takes full available width */
.content > * {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-color);
}

h1 {
    font-size: 2em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

h2 {
    font-size: 1.5em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

p {
    margin-bottom: 16px;
    color: var(--text-color);
}

code {
    background-color: var(--code-bg);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 85%;
    color: var(--text-color);
}

pre {
    background-color: var(--code-bg);
    border-radius: 6px;
    padding: 16px;
    overflow: auto;
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

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

blockquote {
    border-left: 4px solid var(--border-color);
    padding-left: 16px;
    margin-left: 0;
    color: var(--text-color);
    opacity: 0.8;
}

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

a:hover {
    text-decoration: underline;
}

.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-color);
    opacity: 0.7;
    font-size: 14px;
}

/* Mobile styles */
@media (max-width: 768px) {
    .navigation {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        transform: translateX(-100%);
        width: 280px;
        box-shadow: 2px 0 10px var(--shadow);
    }
    
    .navigation.open {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .content {
        padding: 20px;
        margin-left: 0;
        width: 100%;
    }
    
    .content.nav-open {
        margin-left: 0;
    }
    
    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
    }
    
    .mobile-overlay.show {
        display: block;
    }
}

/* Desktop toggle button (hidden by default) */
@media (min-width: 769px) {
    .nav-toggle {
        display: flex;
    }
    
    .navigation.collapsed {
        width: 60px;
    }
    
    .navigation.collapsed .nav-header h2 {
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        width: 0;
        overflow: hidden;
    }
    
    .navigation.collapsed .nav-list {
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        display: none;
    }
    
    .navigation.collapsed .nav-header {
        justify-content: center;
        padding: 20px 10px;
    }
    
    .navigation.collapsed .nav-toggle {
        position: relative;
        z-index: 1002;
    }
}