*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--primary-mid: #bfdbfe;--surface: #ffffff;--bg: #f0f6ff;--bg-sidebar: #f8fbff;--text: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #dbeafe;--border-strong: #bfdbfe;--hover: #eff6ff;--active-bg: #dbeafe;--radius: 6px;--radius-lg: 10px;--shadow-sm: 0 1px 3px rgba(37, 99, 235, .08);--shadow: 0 2px 8px rgba(37, 99, 235, .1);--header-h: 56px;--sidebar-w: 272px;--transition: .15s ease}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#root{height:100%;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--primary-mid);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:24px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:600;font-size:15px;white-space:nowrap;flex-shrink:0}.header-logo-icon{width:28px;height:28px;background:linear-gradient(135deg,#2563eb,#4f46e5);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;letter-spacing:-.5px}.header-nav{display:flex;gap:4px}.header-nav-link{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius);text-decoration:none;color:var(--text-secondary);font-size:14px;font-weight:500;transition:background var(--transition),color var(--transition)}.header-nav-link:hover{background:var(--hover);color:var(--primary)}.header-nav-link.active{background:var(--active-bg);color:var(--primary)}.page-layout{flex:1;display:flex;overflow:hidden;height:calc(100vh - var(--header-h))}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:width var(--transition)}.sidebar.collapsed{width:0;border-right:none}.sidebar-header{padding:14px 16px 10px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--border)}.sidebar-search{padding:10px 12px;border-bottom:1px solid var(--border)}.sidebar-search input{width:100%;padding:6px 10px 6px 30px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);font-size:13px;color:var(--text);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.sidebar-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.sidebar-search-wrap{position:relative}.sidebar-search-icon{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none;font-size:12px}.sidebar-content{flex:1;overflow-y:auto;padding:8px 0}.sidebar-section-header{display:flex;align-items:center;justify-content:space-between;padding:7px 12px;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:12px;font-weight:600;color:var(--text-secondary);letter-spacing:.02em;transition:background var(--transition)}.sidebar-section-header:hover{background:var(--hover)}.sidebar-section-chevron{font-size:10px;transition:transform var(--transition);color:var(--text-muted)}.sidebar-section-chevron.open{transform:rotate(90deg)}.sidebar-entries{overflow:hidden}.sidebar-entry{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 20px;cursor:pointer;font-size:13px;color:var(--text-secondary);transition:background var(--transition),color var(--transition);border-radius:0;position:relative}.sidebar-entry:hover{background:var(--hover);color:var(--text)}.sidebar-entry.active{background:var(--active-bg);color:var(--primary);font-weight:500}.sidebar-entry.active:before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:3px;background:var(--primary);border-radius:0 2px 2px 0}.sidebar-entry-num{font-size:11px;color:var(--text-muted);min-width:20px}.sidebar-entry-dot{width:6px;height:6px;border-radius:50%;background:var(--primary-mid);flex-shrink:0}.sidebar-entry.has-svg .sidebar-entry-dot{background:var(--primary)}.main-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.toolbar{height:44px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:8px;flex-shrink:0}.toolbar-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:background var(--transition),color var(--transition),border-color var(--transition);white-space:nowrap}.toolbar-btn:hover{background:var(--hover);color:var(--primary);border-color:var(--primary-mid)}.toolbar-btn.active{background:var(--active-bg);color:var(--primary);border-color:var(--primary)}.toolbar-divider{width:1px;height:20px;background:var(--border);margin:0 4px}.toolbar-spacer{flex:1}.toolbar-zoom{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-secondary)}.toolbar-zoom-label{min-width:44px;text-align:center;font-variant-numeric:tabular-nums}.svg-layout{flex:1;display:flex;overflow:hidden}.svg-scroll-area{flex:1;overflow:auto;display:flex;justify-content:flex-start;align-items:flex-start;padding:24px;background:var(--bg);min-width:0}.svg-wrapper{display:inline-block;transform-origin:top left}.svg-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px;text-align:center;padding:40px}.svg-unavailable{padding:40px;text-align:center;color:var(--text-muted)}.svg-unavailable-icon{font-size:40px;margin-bottom:12px}.related-panel{width:260px;flex-shrink:0;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;transition:width var(--transition),opacity var(--transition);position:relative;z-index:2}.related-panel.hidden{width:0;border-left:none;overflow:hidden}.related-panel-header{padding:14px 16px;font-size:13px;font-weight:600;color:var(--text);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.related-panel-close{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:16px;line-height:1;padding:0 2px;transition:color var(--transition)}.related-panel-close:hover{color:var(--text)}.related-panel-content{flex:1;overflow-y:auto;padding:8px 0}.related-item{display:block;padding:8px 16px;font-size:13px;color:var(--text-secondary);text-decoration:none;transition:background var(--transition),color var(--transition)}.related-item:hover{background:var(--hover);color:var(--primary)}.related-empty{padding:20px 16px;font-size:13px;color:var(--text-muted);text-align:center}.docs-layout{flex:1;display:flex;overflow:hidden}.docs-main{flex:1;overflow-y:auto;display:flex;flex-direction:column}.docs-article{max-width:800px;width:100%;margin:0 auto;padding:32px 40px 80px}.docs-article-header{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}.docs-article-title{font-size:24px;font-weight:600;color:var(--text);line-height:1.3;margin-bottom:8px}.docs-article-meta{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:16px}.docs-article-meta a{color:var(--primary);text-decoration:none}.docs-article-meta a:hover{text-decoration:underline}.docs-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);padding:60px 40px;text-align:center}.docs-empty-icon{font-size:48px}.markdown{line-height:1.7;color:var(--text)}.markdown h1{font-size:22px;font-weight:600;margin:28px 0 12px;color:var(--text)}.markdown h2{font-size:18px;font-weight:600;margin:24px 0 10px;color:var(--text);padding-bottom:6px;border-bottom:1px solid var(--border)}.markdown h3{font-size:15px;font-weight:600;margin:20px 0 8px;color:var(--text)}.markdown h4{font-size:14px;font-weight:600;margin:16px 0 6px;color:var(--text)}.markdown p{margin:10px 0}.markdown ul,.markdown ol{margin:10px 0 10px 24px}.markdown li{margin:4px 0}.markdown strong{font-weight:600;color:var(--text)}.markdown em{font-style:italic}.markdown hr{border:none;border-top:1px solid var(--border);margin:24px 0}.markdown a{color:var(--primary);text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown code{font-family:JetBrains Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:12.5px;background:var(--primary-light);color:var(--primary-hover);padding:1.5px 5px;border-radius:4px;border:1px solid var(--border)}.markdown pre{background:#1e293b;color:#e2e8f0;border-radius:var(--radius-lg);padding:16px 20px;margin:16px 0;overflow-x:auto;font-size:13px;line-height:1.6}.markdown pre code{background:none;color:inherit;padding:0;border:none;border-radius:0;font-size:inherit}.markdown blockquote{border-left:3px solid var(--primary-mid);padding:4px 16px;margin:16px 0;color:var(--text-secondary);background:var(--primary-light);border-radius:0 var(--radius) var(--radius) 0}.markdown table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13px}.markdown th{background:var(--primary-light);color:var(--primary-hover);font-weight:600;text-align:left;padding:8px 12px;border:1px solid var(--border)}.markdown td{padding:7px 12px;border:1px solid var(--border);vertical-align:top}.markdown tr:nth-child(2n) td{background:var(--bg-sidebar)}.tab-bar{display:flex;gap:2px;padding:8px 12px 0;border-bottom:1px solid var(--border);background:var(--bg-sidebar)}.tab-btn{padding:6px 14px;border:none;border-bottom:2px solid transparent;background:transparent;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-secondary);transition:color var(--transition),border-color var(--transition);margin-bottom:-1px}.tab-btn:hover{color:var(--primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.loading{display:flex;align-items:center;justify-content:center;flex:1;color:var(--text-muted);font-size:14px;gap:10px}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:10px 14px;font-size:13px;margin:16px}