/* selfdoc minimal theme
   Clean, content-focused documentation styling. */

/* --- Custom properties (light mode) --- */

:root {
    --bg: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #555;
    --heading: #111;
    --link: #0969da;
    --link-hover: #0550ae;
    --sidebar-bg: #f6f8fa;
    --sidebar-text: #444;
    --sidebar-active: #0969da;
    --sidebar-hover-bg: #e8ecef;
    --code-bg: #f4f4f8;
    --code-border: #e0e0e0;
    --border: #d0d7de;
    --topbar-bg: #24292f;
    --topbar-text: #ffffff;
    --badge-bg: #1a7f37;
    --badge-text: #ffffff;
}

/* --- Dark variant --- */

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --text: #c9d1d9;
        --text-secondary: #8b949e;
        --heading: #e6edf3;
        --link: #58a6ff;
        --link-hover: #79c0ff;
        --sidebar-bg: #161b22;
        --sidebar-text: #8b949e;
        --sidebar-active: #58a6ff;
        --sidebar-hover-bg: #1c2128;
        --code-bg: #161b22;
        --code-border: #30363d;
        --border: #30363d;
        --topbar-bg: #010409;
        --topbar-text: #f0f6fc;
        --badge-bg: #238636;
        --badge-text: #ffffff;
    }
}

/* --- High contrast variant --- */

@media (prefers-contrast: more) {
    :root {
        --text: #000;
        --heading: #000;
        --border: #000;
        --code-border: #000;
    }
}

@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
    :root {
        --text: #fff;
        --heading: #fff;
        --border: #fff;
        --code-border: #fff;
    }
}

/* --- Reduced motion --- */

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* --- Reset --- */

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

html {
    scroll-behavior: smooth;
}

/* --- Body --- */

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

/* --- Top bar --- */

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--topbar-bg);
    color: var(--topbar-text);
    z-index: 200;
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.project-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--topbar-text);
    text-decoration: none;
}

.project-name:hover {
    color: var(--topbar-text);
    opacity: 0.85;
}

.version-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 0.15em 0.5em;
    border-radius: 4px;
    line-height: 1.4;
}

/* --- Layout --- */

.layout {
    display: flex;
    padding-top: 48px;
    min-height: 100vh;
}

/* --- Sidebar --- */

.sidebar {
    position: fixed;
    top: 48px;
    left: 0;
    width: 240px;
    height: calc(100vh - 48px);
    overflow-y: auto;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 1.25rem 0.75rem;
    z-index: 100;
}

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

.nav-list li {
    margin-bottom: 2px;
}

.nav-list a {
    display: block;
    padding: 0.3rem 0.6rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: background 0.15s, color 0.15s;
}

.nav-list a:hover {
    background: var(--sidebar-hover-bg);
    color: var(--link);
    text-decoration: none;
}

.nav-list a.active {
    color: var(--sidebar-active);
    font-weight: 600;
}

/* --- Content area --- */

.content {
    margin-left: 240px;
    max-width: 800px;
    padding: 2.5rem 3rem;
    flex: 1;
}

/* --- Typography --- */

h1, h2, h3, h4, h5, h6 {
    color: var(--heading);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 2em;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    padding-bottom: 0.2em;
    border-bottom: 1px solid var(--border);
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.1rem;
}

p {
    margin-bottom: 1em;
}

/* --- Links --- */

a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* --- Heading anchor links --- */

.heading-link {
    opacity: 0;
    margin-left: -1.2em;
    padding-right: 0.3em;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    transition: opacity 0.15s;
}

h1:hover .heading-link,
h2:hover .heading-link,
h3:hover .heading-link,
h4:hover .heading-link,
h5:hover .heading-link,
h6:hover .heading-link {
    opacity: 1;
}

.heading-link:hover {
    color: var(--link);
    text-decoration: none;
}

/* --- Code --- */

code {
    font-family: "JetBrains Mono", "Fira Code", ui-monospace, "Cascadia Code", Consolas, monospace;
    font-size: 0.9em;
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 3px;
    padding: 2px 6px;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: 4px;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1em;
    line-height: 1.5;
}

pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.875rem;
    border-radius: 0;
}

/* --- Lists --- */

ul, ol {
    margin-bottom: 1em;
    padding-left: 1.5em;
}

li {
    margin-bottom: 0.25em;
}

li > ul,
li > ol {
    margin-bottom: 0;
}

/* --- Bold / italic --- */

strong {
    font-weight: 600;
}

em {
    font-style: italic;
}

/* --- Tables --- */

table {
    border-collapse: collapse;
    margin-bottom: 1em;
    width: 100%;
    font-size: 0.95rem;
}

th, td {
    border: 1px solid var(--border);
    padding: 0.5em 0.75em;
    text-align: left;
}

th {
    background: var(--sidebar-bg);
    font-weight: 600;
}

tbody tr:nth-child(even) {
    background: var(--code-bg);
}

/* --- Blockquotes --- */

blockquote {
    border-left: 3px solid var(--link);
    padding: 0.5em 1em;
    margin: 0 0 1em 0;
    color: var(--text-secondary);
}

blockquote p {
    margin-bottom: 0.5em;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* --- Horizontal rule --- */

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2em 0;
}

/* --- Footer --- */

.footer {
    margin-left: 240px;
    padding: 1.5rem 3rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* --- Responsive: collapse sidebar on mobile --- */

@media (max-width: 768px) {
    .topbar-inner {
        padding: 0 1rem;
    }

    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 0.75rem;
    }

    .nav-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .nav-list li {
        margin-bottom: 0;
    }

    .layout {
        flex-direction: column;
    }

    .content {
        margin-left: 0;
        padding: 1.5rem 1rem;
        max-width: 100%;
    }

    .footer {
        margin-left: 0;
        padding: 1.5rem 1rem;
    }
}