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2026-04-10 13:47:53 +08:00
/* === CSS Variables & Theme === */
:root {
--bg-primary: #ffffff;
--bg-sidebar: #f8f9fa;
--bg-toc: #f8f9fa;
--bg-code: #f5f5f5;
--bg-hover: #e9ecef;
--bg-overlay: rgba(0, 0, 0, 0.4);
--text-primary: #1a1a2e;
--text-secondary: #666;
--text-muted: #999;
--border-color: #e0e0e0;
--border-light: #eee;
--accent: #2563eb;
--accent-light: #dbeafe;
--sidebar-width: 260px;
--toc-width: 220px;
--header-height: 50px;
--shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
--shadow-md: 0 4px 12px rgba(0,0,0,0.12);
--radius: 6px;
--transition: 0.2s ease;
}
[data-theme="dark"] {
--bg-primary: #0d1117;
--bg-sidebar: #161b22;
--bg-toc: #161b22;
--bg-code: #161b22;
--bg-hover: #21262d;
--bg-overlay: rgba(0, 0, 0, 0.6);
--text-primary: #c9d1d9;
--text-secondary: #8b949e;
--text-muted: #6e7681;
--border-color: #30363d;
--border-light: #21262d;
--accent: #58a6ff;
--accent-light: #1c2d41;
--shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
--shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}
/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
font-size: 15px;
scroll-behavior: smooth;
}
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
color: var(--text-primary);
background: var(--bg-primary);
line-height: 1.75;
overflow: hidden;
height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
/* === Layout === */
.layout {
display: grid;
grid-template-columns: var(--sidebar-width) 1fr var(--toc-width);
height: 100vh;
overflow: hidden;
}
/* === Sidebar === */
.sidebar {
background: var(--bg-sidebar);
border-right: 1px solid var(--border-color);
display: flex;
flex-direction: column;
height: 100vh;
overflow: hidden;
position: relative;
z-index: 20;
}
.sidebar-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 16px 16px 12px;
border-bottom: 1px solid var(--border-light);
flex-shrink: 0;
}
.logo {
font-size: 1.1rem;
font-weight: 700;
color: var(--text-primary);
}
.theme-toggle, .theme-toggle-mobile {
background: none;
border: 1px solid var(--border-color);
border-radius: var(--radius);
padding: 6px;
cursor: pointer;
color: var(--text-secondary);
display: flex;
align-items: center;
justify-content: center;
transition: var(--transition);
}
.theme-toggle:hover, .theme-toggle-mobile:hover {
background: var(--bg-hover);
color: var(--text-primary);
}
/* Show sun in dark, moon in light */
.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
/* Sidebar search button */
.sidebar-search {
padding: 8px 12px;
flex-shrink: 0;
}
.sidebar-search-btn {
display: flex;
align-items: center;
gap: 8px;
width: 100%;
padding: 8px 12px;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius);
color: var(--text-muted);
cursor: pointer;
font-size: 0.85rem;
transition: var(--transition);
}
.sidebar-search-btn:hover {
border-color: var(--accent);
color: var(--text-secondary);
}
.sidebar-search-btn kbd {
margin-left: auto;
background: var(--bg-code);
border: 1px solid var(--border-color);
border-radius: 3px;
padding: 1px 6px;
font-size: 0.75rem;
font-family: inherit;
color: var(--text-muted);
}
/* Sidebar navigation */
.sidebar-nav {
flex: 1;
overflow-y: auto;
padding: 8px 0;
scrollbar-width: thin;
scrollbar-color: var(--border-color) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }
.nav-section { margin-bottom: 2px; }
.nav-section-header {
display: flex;
align-items: center;
padding: 8px 16px;
font-size: 0.8rem;
font-weight: 600;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.5px;
cursor: pointer;
user-select: none;
transition: var(--transition);
}
.nav-section-header:hover { color: var(--text-primary); }
.nav-section-header .chevron {
margin-right: 6px;
transition: transform 0.2s ease;
flex-shrink: 0;
}
.nav-section.collapsed .chevron { transform: rotate(-90deg); }
.nav-section.collapsed .nav-section-body { display: none; }
.nav-group-label {
padding: 6px 16px 2px 32px;
font-size: 0.78rem;
color: var(--text-muted);
font-weight: 500;
}
.nav-page {
display: block;
padding: 5px 16px 5px 32px;
color: var(--text-secondary);
font-size: 0.88rem;
text-decoration: none;
border-left: 3px solid transparent;
transition: var(--transition);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.nav-page:hover {
color: var(--text-primary);
background: var(--bg-hover);
text-decoration: none;
}
.nav-page.active {
color: var(--accent);
background: var(--accent-light);
border-left-color: var(--accent);
font-weight: 500;
}
.nav-group .nav-page {
padding-left: 42px;
}
/* Level badges */
.nav-page .level-badge {
display: inline-block;
font-size: 0.65rem;
padding: 1px 5px;
border-radius: 3px;
margin-left: 4px;
vertical-align: middle;
font-weight: 500;
}
.level-badge.beginner { background: #dcfce7; color: #166534; }
.level-badge.intermediate { background: #dbeafe; color: #1e40af; }
.level-badge.advanced { background: #fef3c7; color: #92400e; }
[data-theme="dark"] .level-badge.beginner { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .level-badge.intermediate { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .level-badge.advanced { background: #78350f; color: #fcd34d; }
/* === Content Area === */
.content {
overflow-y: auto;
padding: 32px 40px;
height: 100vh;
scrollbar-width: thin;
scrollbar-color: var(--border-color) transparent;
}
.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
#article {
max-width: 820px;
margin: 0 auto;
}
/* Page title (dynamically inserted by app.js) */
.page-title {
margin-bottom: 1.5rem;
padding-bottom: 1rem;
border-bottom: 2px solid var(--border-color);
}
.page-title h1 {
font-size: 1.8rem;
font-weight: 700;
color: var(--text-primary);
margin: 0;
line-height: 1.3;
}
.page-meta {
margin-top: 8px;
font-size: 0.85rem;
color: var(--text-muted);
}
#article h2 {
font-size: 1.5rem;
font-weight: 700;
margin: 2rem 0 1rem;
padding-bottom: 0.5rem;
border-bottom: 1px solid var(--border-light);
color: var(--text-primary);
}
#article h3 {
font-size: 1.2rem;
font-weight: 600;
margin: 1.5rem 0 0.75rem;
color: var(--text-primary);
}
#article h4 {
font-size: 1.05rem;
font-weight: 600;
margin: 1.2rem 0 0.5rem;
}
#article p {
margin: 0.75rem 0;
}
#article strong {
font-weight: 600;
color: var(--text-primary);
}
#article ul, #article ol {
margin: 0.5rem 0;
padding-left: 1.5rem;
}
#article li {
margin: 0.25rem 0;
}
/* Source references */
.source-ref {
font-size: 0.82rem;
color: var(--text-muted);
border-left: 3px solid var(--border-color);
padding: 4px 12px;
margin: 8px 0;
background: var(--bg-code);
border-radius: 0 var(--radius) var(--radius) 0;
}
/* Source file links (dead links) */
a[href$=".py"], a[href*=".py#"], a[href$=".pyd"] {
color: var(--text-muted);
pointer-events: none;
text-decoration: line-through dotted;
}
/* Tables */
#article table {
width: 100%;
border-collapse: collapse;
margin: 1rem 0;
font-size: 0.9rem;
overflow-x: auto;
display: block;
}
#article th, #article td {
border: 1px solid var(--border-color);
padding: 8px 12px;
text-align: left;
}
#article th {
background: var(--bg-code);
font-weight: 600;
white-space: nowrap;
}
#article tr:nth-child(even) {
background: var(--bg-sidebar);
}
#article tr:hover {
background: var(--bg-hover);
}
/* Code blocks */
#article pre {
background: var(--bg-code);
border: 1px solid var(--border-color);
border-radius: var(--radius);
padding: 16px;
overflow-x: auto;
margin: 1rem 0;
position: relative;
font-size: 0.88rem;
line-height: 1.6;
}
#article code {
font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
font-size: 0.9em;
}
#article :not(pre) > code {
background: var(--bg-code);
padding: 2px 6px;
border-radius: 3px;
border: 1px solid var(--border-light);
}
/* Code language label */
.code-lang {
position: absolute;
top: 6px;
left: 12px;
font-size: 0.7rem;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 0.5px;
pointer-events: none;
}
/* Copy button */
.copy-btn {
position: absolute;
top: 8px;
right: 8px;
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: 4px;
padding: 4px 8px;
font-size: 0.75rem;
cursor: pointer;
color: var(--text-muted);
opacity: 0;
transition: var(--transition);
}
#article pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
/* Mermaid diagrams */
.mermaid-wrapper {
text-align: center;
margin: 1.5rem 0;
padding: 20px;
background: var(--bg-sidebar);
border: 1px solid var(--border-color);
border-radius: var(--radius);
overflow-x: auto;
}
.mermaid-wrapper svg {
max-width: 100%;
height: auto;
}
/* Loading state */
.loading {
text-align: center;
padding: 4rem 0;
color: var(--text-muted);
font-size: 1rem;
}
/* === Page Navigation (Prev/Next) === */
.page-nav {
display: flex;
justify-content: space-between;
align-items: center;
max-width: 820px;
margin: 2rem auto 0;
padding-top: 1.5rem;
border-top: 1px solid var(--border-light);
gap: 16px;
}
.page-nav-btn {
display: flex;
align-items: center;
gap: 8px;
padding: 10px 16px;
background: var(--bg-sidebar);
border: 1px solid var(--border-color);
border-radius: var(--radius);
color: var(--text-secondary);
font-size: 0.88rem;
text-decoration: none;
transition: var(--transition);
flex: 1;
min-width: 0;
}
.page-nav-btn:hover {
border-color: var(--accent);
color: var(--accent);
text-decoration: none;
}
.page-nav-btn.next { justify-content: flex-end; text-align: right; }
.page-nav-btn .label { font-size: 0.75rem; color: var(--text-muted); }
.page-nav-btn .title {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
/* === TOC (Table of Contents) === */
.toc {
background: var(--bg-toc);
border-left: 1px solid var(--border-color);
padding: 20px 16px;
height: 100vh;
overflow-y: auto;
scrollbar-width: thin;
scrollbar-color: var(--border-color) transparent;
}
.toc::-webkit-scrollbar { width: 4px; }
.toc::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }
.toc-title {
font-size: 0.8rem;
font-weight: 600;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 0.5px;
margin-bottom: 12px;
}
.toc-nav ul {
list-style: none;
padding: 0;
}
.toc-nav li {
margin: 0;
}
.toc-nav a {
display: block;
padding: 3px 0;
font-size: 0.82rem;
color: var(--text-secondary);
text-decoration: none;
transition: var(--transition);
line-height: 1.4;
}
.toc-nav a:hover { color: var(--accent); }
.toc-nav a.active {
color: var(--accent);
font-weight: 500;
}
.toc-nav .toc-h3 { padding-left: 14px; }
/* === Mobile Header === */
.mobile-header {
display: none;
align-items: center;
padding: 0 12px;
height: var(--header-height);
background: var(--bg-sidebar);
border-bottom: 1px solid var(--border-color);
gap: 12px;
flex-shrink: 0;
}
.hamburger {
background: none;
border: none;
color: var(--text-primary);
cursor: pointer;
padding: 4px;
display: flex;
}
.mobile-title {
font-weight: 600;
font-size: 1rem;
flex: 1;
}
.mobile-actions {
display: flex;
gap: 4px;
}
.search-btn-mobile {
background: none;
border: none;
color: var(--text-secondary);
cursor: pointer;
padding: 6px;
display: flex;
}
.sidebar-backdrop {
display: none;
position: fixed;
inset: 0;
background: var(--bg-overlay);
z-index: 15;
}
/* === Search Modal === */
.search-overlay {
display: none;
position: fixed;
inset: 0;
background: var(--bg-overlay);
z-index: 100;
align-items: flex-start;
justify-content: center;
padding-top: 15vh;
}
.search-overlay.active { display: flex; }
.search-modal {
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: 12px;
width: 90%;
max-width: 560px;
box-shadow: var(--shadow-md);
overflow: hidden;
}
.search-input-wrap {
display: flex;
align-items: center;
padding: 12px 16px;
gap: 10px;
border-bottom: 1px solid var(--border-light);
color: var(--text-muted);
}
.search-input-wrap input {
flex: 1;
border: none;
outline: none;
font-size: 1rem;
background: transparent;
color: var(--text-primary);
font-family: inherit;
}
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-close {
background: var(--bg-code);
border: 1px solid var(--border-color);
border-radius: 4px;
padding: 3px 8px;
font-size: 0.7rem;
cursor: pointer;
color: var(--text-muted);
font-family: inherit;
}
.search-results {
max-height: 400px;
overflow-y: auto;
padding: 8px;
scrollbar-width: thin;
scrollbar-color: var(--border-color) transparent;
}
.search-hint {
text-align: center;
padding: 24px 0;
color: var(--text-muted);
font-size: 0.9rem;
}
.search-result-item {
display: block;
padding: 10px 12px;
border-radius: var(--radius);
cursor: pointer;
text-decoration: none;
color: var(--text-primary);
transition: var(--transition);
}
.search-result-item:hover {
background: var(--bg-hover);
text-decoration: none;
}
.search-result-item .result-title {
font-weight: 600;
font-size: 0.92rem;
margin-bottom: 2px;
}
.search-result-item .result-section {
font-size: 0.78rem;
color: var(--text-muted);
margin-bottom: 4px;
}
.search-result-item .result-context {
font-size: 0.82rem;
color: var(--text-secondary);
line-height: 1.4;
}
.search-result-item mark {
background: var(--accent-light);
color: var(--accent);
padding: 0 2px;
border-radius: 2px;
}
/* === Responsive === */
@media (max-width: 1023px) {
.toc { display: none; }
.layout {
grid-template-columns: var(--sidebar-width) 1fr;
}
}
@media (max-width: 767px) {
.mobile-header { display: flex; }
.layout {
grid-template-columns: 1fr;
padding-top: var(--header-height);
margin-top: calc(var(--header-height) * -1);
}
.sidebar {
position: fixed;
left: -100%;
top: 0;
width: 280px;
height: 100vh;
z-index: 30;
transition: left 0.25s ease;
box-shadow: var(--shadow-md);
}
.sidebar.open { left: 0; }
.sidebar-backdrop.open { display: block; }
.content {
padding: 20px 16px;
}
.toc { display: none; }
.page-nav { flex-direction: column; }
.page-nav-btn { text-align: center; justify-content: center; }
}
/* === Print === */
@media print {
.sidebar, .toc, .mobile-header, .page-nav { display: none; }
.content { padding: 0; height: auto; overflow: visible; }
.layout { display: block; }
}