:root {
    --color-bg: #131313;
    --color-surface: #1f1f1f;
    --color-surface-2: #171717;
    --color-border: #374151;
    --color-text: #d4d4d4;
    --color-muted: #9ca3af;
    --color-primary: #60a5fa;
    --color-primary-strong: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-header-text: #ffffff;
    --color-footer-text: #9ca3af;
    --color-card-border: rgba(255, 255, 255, 0.05);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: light) {
    :root {
        --color-bg: #ffffff;
        --color-surface: #f3f4f6;
        --color-surface-2: #e5e7eb;
        --color-border: #d1d5db;
        --color-text: #111827;
        --color-muted: #6b7280;
        --color-primary: #2563eb;
        --color-primary-strong: #1d4ed8;
        --color-primary-hover: #1e40af;
        --color-header-text: #111827;
        --color-footer-text: #6b7280;
        --color-card-border: rgba(17, 24, 39, 0.06);
        --shadow: 0 2px 8px rgba(17, 24, 39, 0.1);
    }
}

* {
    box-sizing: border-box;
}

body.site-body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

ul,
ol {
    padding-left: 1.25rem;
    margin: 0.5rem 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

.layout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    background: var(--color-surface-2);
    padding: 8px 0;
    box-shadow: none;
    color: var(--color-header-text);
}

.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
}

.site-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.nav-link {
    padding: 8px 0;
    color: var(--color-header-text);
    font-size: 16px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--color-primary);
}

.site-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.site-actions .search-group,
.site-actions .action-group {
    align-items: center;
}

.action-group {
    margin-left: 12px;
    display: flex;
    align-items: center;
}

.search-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text);
    min-width: 180px;
}

.search-input::placeholder {
    color: var(--color-muted);
}

.search-button {
    padding: 8px 12px;
    border-radius: 6px;
    background: var(--color-primary-strong);
    color: #ffffff;
    border: none;
    cursor: pointer;
}

.search-button:hover {
    background: var(--color-primary-hover);
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    background: transparent;
    border: none;
    color: inherit;
    padding: 0;
}

.dropdown-icon {
    width: 16px;
    height: 16px;
    fill: var(--color-muted);
}

.dropdown-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 200px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 0;
    display: none;
    z-index: 10;
}

.dropdown:focus-within .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 8px 12px;
    color: var(--color-text);
}

.dropdown-item:hover {
    background: var(--color-surface);
}

.page-content {
    margin-bottom: 72px;
    padding-top: 8px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin: 8px 0;
}

.card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.blog-card {
    background: var(--color-surface);
    border-radius: 8px;
    padding: 12px;
    width: 260px;
    box-shadow: var(--shadow);
}

.blog-card .title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.blog-card .sub-title {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 6px;
}

.doc-card-image {
    max-height: 200px;
    display: block;
    margin: 0 auto 8px auto;
}

.content-layout {
    display: flex;
    gap: 16px;
}

.content-main {
    flex: 3;
}

.content-side {
    flex: 1;
    min-width: 240px;
}

.content-side-right {
    text-align: right;
}

.blog-list {
    padding: 0 12px;
}

.card {
    background: var(--color-surface);
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-card-border);
    margin: 8px 0;
}

.card-body {
    padding: 12px 16px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.card-title-link {
    display: block;
    font-size: 18px;
    color: var(--color-text);
}

.card-title-link:hover {
    color: var(--color-primary);
}

.card-meta {
    color: var(--color-muted);
    font-size: 14px;
}

.sidebar-card {
    background: var(--color-surface);
    border-radius: 8px;
    padding: 12px;
    margin-top: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-card-border);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.filter-item {
    display: block;
    padding: 6px 0;
    color: var(--color-text);
    cursor: pointer;
}

.filter-item:hover {
    color: var(--color-primary);
}

.doc-layout {
    display: grid;
    grid-template-columns: 260px 1fr 240px;
    gap: 16px;
    margin-top: 8px;
    padding-top: 8px;
}

.doc-sidebar {
    position: sticky;
    top: 0;
    align-self: start;
    padding-right: 16px;
}

.doc-main {
    min-width: 0;
    padding: 0 12px;
}

.doc-toc {
    position: sticky;
    top: 0;
    align-self: start;
    padding-left: 12px;
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.doc-meta {
    color: var(--color-muted);
}

.doc-toolbar {
    display: flex;
    gap: 8px;
    align-items: center;
}

.doc-toolbar-btn,
.doc-toolbar-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 6px;
    color: var(--color-text);
}

.doc-toolbar-btn:hover,
.doc-toolbar-link:hover {
    background: var(--color-surface);
}

.version-select {
    width: 100%;
    padding: 8px 10px;
    margin: 8px 0;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text);
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-empty {
    color: var(--color-muted);
}

.site-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: var(--color-surface-2);
    padding: 8px 0;
}

.footer-text {
    color: var(--color-footer-text);
    text-align: center;
    margin: 0;
    line-height: 1.4;
}

.footer-link {
    color: var(--color-primary);
}

.hidden {
    display: none;
}

.text {
    color: var(--color-text);
}

.toc-title {
    font-size: 16px;
    font-weight: 600;
}

ul.toc {
    padding: 0;
}

.toc-sticky {
    position: sticky;
    top: 8px;
}

.code-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background: var(--color-surface-2);
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--color-muted);
}

.copy-icon {
    cursor: pointer;
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .doc-layout {
        grid-template-columns: 1fr;
    }

    .doc-toc {
        display: none;
    }
}

@media (max-width: 768px) {
    .site-logo {
        display: none;
    }

    .content-layout {
        flex-direction: column;
    }

    .content-side {
        width: 100%;
    }

    .doc-sidebar {
        display: none;
    }

    .site-header-inner {
        flex-wrap: wrap;
    }

    .site-nav {
        flex-wrap: wrap;
        width: 100%;
    }

    .site-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .blog-card {
        width: 100%;
    }
}