:root{color-scheme:light;--bg: #f5f7fb;--panel: #ffffff;--panel-2: #eef3f8;--text: #17212b;--text-2: #394656;--muted: #667587;--border: #d9e1ea;--accent: #16754b;--accent-bg: #e8f1ed;--accent-2: #2f7ed8;--shadow: 0 8px 24px rgba(16,24,40,.08);--topbar-bg: rgba(245,247,251,.92);--code-bg: #eef3f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}[data-theme=dark]{color-scheme:dark;--bg: #0d1117;--panel: #161b22;--panel-2: #21262d;--text: #e6edf3;--text-2: #cdd9e5;--muted: #7d8590;--border: #30363d;--accent: #3fb950;--accent-bg: #12261e;--accent-2: #58a6ff;--shadow: 0 8px 24px rgba(0,0,0,.4);--topbar-bg: rgba(13,17,23,.88);--code-bg: #21262d}@media(prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--bg: #0d1117;--panel: #161b22;--panel-2: #21262d;--text: #e6edf3;--text-2: #cdd9e5;--muted: #7d8590;--border: #30363d;--accent: #3fb950;--accent-bg: #12261e;--accent-2: #58a6ff;--shadow: 0 8px 24px rgba(0,0,0,.4);--topbar-bg: rgba(13,17,23,.88);--code-bg: #21262d}}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}.global-loading{position:fixed;inset:57px 0 0 300px;z-index:40;display:flex;align-items:center;justify-content:center;gap:10px;overflow:hidden;background:color-mix(in srgb,var(--bg) 62%,transparent);backdrop-filter:blur(4px);color:var(--text-2);font-size:13px;font-weight:700;opacity:0;pointer-events:none;transition:opacity .12s ease}.global-loading[data-active=true]{opacity:1;pointer-events:all}.global-loading-progress{position:absolute;top:0;left:0;width:42%;height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:global-loading-progress 1.1s ease-in-out infinite}.global-loading-spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:global-loading-spin .8s linear infinite}@keyframes global-loading-spin{to{transform:rotate(360deg)}}@keyframes global-loading-progress{0%{transform:translate(-110%)}to{transform:translate(250%)}}[data-sidebar-collapsed="1"] .global-loading,[data-focus-mode="1"] .global-loading{left:0}[data-focus-mode="1"] .global-loading{top:0}.app-shell{min-height:100vh;display:grid;grid-template-columns:300px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;overflow:auto;background:var(--panel);border-right:1px solid var(--border);padding:14px 12px 24px}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px;font-weight:800;color:var(--accent);text-decoration:none}.brand img{width:28px;height:28px}.nav-list,.nav-list ul{list-style:none;margin:0;padding:0}.nav-list ul{margin-left:12px;border-left:1px solid var(--border)}.nav-list details{margin:1px 0}.nav-list summary{cursor:pointer;list-style:none}.nav-list summary::-webkit-details-marker{display:none}.nav-list summary:before{content:"›";display:inline-block;width:14px;color:var(--muted);transition:transform .16s ease}.nav-list details[open]>summary:before{transform:rotate(90deg)}.nav-item a,.nav-category{display:block;border-radius:7px;padding:7px 8px;text-decoration:none;color:var(--muted);font-size:14px;line-height:1.25}.nav-category{font-weight:700;color:var(--text-2)}.nav-category a{display:inline;padding:0;color:inherit;font-weight:inherit;font-size:inherit}.nav-category a:hover{color:var(--accent)}.nav-level-2 .nav-category,.nav-level-3 .nav-category,.nav-level-4 .nav-category{font-size:13px;font-weight:600;color:var(--muted)}.nav-item a:hover,.nav-category:hover,.nav-item a[aria-current=page]{background:var(--accent-bg);color:var(--accent)}.main-frame{min-width:0}.topbar{position:sticky;top:0;z-index:5;background:var(--topbar-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar-inner{padding:10px 28px;display:flex;align-items:center;gap:12px;justify-content:space-between}.tabs{display:flex;gap:4px;align-items:center}.tab{padding:7px 10px;border-radius:7px;text-decoration:none;color:var(--text-2);font-weight:700;font-size:14px}.tab:hover,.tab.active{background:var(--accent-bg);color:var(--accent)}.actions{display:flex;gap:6px;align-items:center}.search-trigger{display:inline-flex;align-items:center;gap:8px;padding:0 12px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);font:inherit;font-size:14px;cursor:pointer;white-space:nowrap}.search-trigger:hover{border-color:var(--accent);color:var(--text)}.search-trigger kbd{font-size:11px;padding:1px 5px;border-radius:4px;border:1px solid var(--border);background:var(--panel);color:var(--muted);font-family:inherit}.icon-action{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text-2);text-decoration:none;cursor:pointer;font-size:16px;font-family:inherit;box-shadow:0 1px 2px #1018280a}.icon-action:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}.content-body{padding:28px 32px 64px}.article{background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:36px 40px;min-width:0}.article h1{font-size:36px;line-height:1.1;margin:0 0 14px}.article h2{margin-top:34px;padding-top:18px;border-top:1px solid var(--border);font-size:26px}.article h3{margin-top:26px;font-size:21px}.article p,.article li{line-height:1.75}.article a,.article a:visited{color:var(--accent-2);text-decoration:none}.article a:hover{color:var(--accent);text-decoration:underline}.article strong{color:var(--text)}.article strong a,.article a strong{color:inherit}[data-theme=dark] .article h1,[data-theme=dark] .article h2,[data-theme=dark] .article h3,[data-theme=dark] .article strong{color:var(--text)}[data-theme=dark] .article a,[data-theme=dark] .article a:visited,[data-theme=dark] .article strong a,[data-theme=dark] .article a strong{color:#79c0ff}[data-theme=dark] .article a:hover{color:#8fd3ff}.article img{max-width:100%;height:auto;border:1px solid var(--border);border-radius:6px;background:var(--panel);box-shadow:0 4px 14px #10182814}.article table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.article th,.article td{border:1px solid var(--border);padding:8px 12px}.article th{background:var(--panel-2)}.article code{background:var(--code-bg);border-radius:4px;padding:2px 5px;font-size:.9em}.article pre{overflow:auto;padding:16px;border-radius:8px;border:1px solid var(--border);background:var(--panel-2)}.article pre code{background:none;padding:0}.meta{color:var(--muted);font-size:13px;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.listing{padding:28px 32px 64px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px;text-decoration:none;box-shadow:var(--shadow);color:var(--text)}.card:hover{border-color:var(--accent)}.card span{display:block;color:var(--muted);font-size:13px;margin-top:6px}.search-dialog{position:fixed;inset:0;margin:auto;top:12vh;width:min(680px,calc(100vw - 32px));max-height:70vh;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:0 24px 64px #00000040;padding:0;overflow:hidden;color:var(--text)}.search-dialog[open]{display:flex;flex-direction:column}.search-dialog::backdrop{background:#00000073;backdrop-filter:blur(4px)}.search-header{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.search-icon{color:var(--muted);font-size:16px;flex-shrink:0}.search-field{flex:1;border:none;outline:none;background:transparent;font:inherit;font-size:16px;color:var(--text)}.search-field::placeholder{color:var(--muted)}.search-close{background:var(--panel-2);border:1px solid var(--border);border-radius:5px;padding:2px 8px;font:inherit;font-size:12px;color:var(--muted);cursor:pointer;flex-shrink:0}.search-results{list-style:none;margin:0;padding:8px;overflow-y:auto;flex:1}.search-result{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text)}.search-result:hover,.search-result.active{background:var(--accent-bg)}.sr-title{font-size:14px;font-weight:600}.sr-meta{font-size:12px;color:var(--muted)}.search-status{padding:24px 16px;text-align:center;color:var(--muted);font-size:14px}.page-find-bar{display:flex;align-items:center;gap:5px}.page-find-bar[hidden]{display:none}.find-input{width:180px;height:28px;padding:0 8px;border:1px solid var(--border);border-radius:6px;background:var(--panel-2);color:var(--text);font:inherit;font-size:13px;outline:none;transition:border-color .14s,width .2s}.find-input:focus{border-color:var(--accent);width:220px}.find-count{min-width:52px;font-size:11.5px;color:var(--muted);white-space:nowrap}.find-nav,.find-close{display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:5px;background:transparent;color:var(--muted);cursor:pointer;transition:background .12s,color .12s;flex-shrink:0}.find-nav:hover,.find-close:hover{background:var(--panel-2);color:var(--text)}mark.find-hl{background:#ffc80061;color:inherit;border-radius:2px}mark.find-hl-active{background:#ff8c00b8;color:var(--text)}.img-lightbox{position:fixed;inset:0;margin:0;width:100%;height:100%;max-width:100%;max-height:100%;border:0;padding:0;background:#000000e6;display:none;align-items:center;justify-content:center}.img-lightbox[open]{display:flex}.img-lightbox::backdrop{display:none}.lb-frame{display:flex;align-items:center;justify-content:center;width:100%;height:100%;overflow:hidden}#lb-img{max-width:90vw;max-height:90vh;object-fit:contain;border:0!important;box-shadow:none!important;border-radius:4px;cursor:default;user-select:none;transform-origin:center}.lb-close{position:absolute;top:16px;right:16px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:#0009;color:#fff;cursor:pointer;font-family:inherit;z-index:1;transition:background .14s}.lb-close:hover{background:#ffffff2e}.lb-hint{position:absolute;bottom:14px;left:50%;transform:translate(-50%);color:#fff6;font-size:11.5px;pointer-events:none;margin:0;white-space:nowrap}.article img{cursor:zoom-in}@media(max-width:920px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;max-height:48vh;border-right:0;border-bottom:1px solid var(--border)}.search-trigger kbd{display:none}.content-body{padding:20px 16px 48px}.article{padding:24px 20px}}.astro-code,.astro-code span{color:var(--shiki-light)!important;background-color:var(--shiki-light-bg)!important}[data-theme=dark] .astro-code,[data-theme=dark] .astro-code span{color:var(--shiki-dark)!important;background-color:var(--shiki-dark-bg)!important}.astro-code{overflow:auto;padding:16px!important;border-radius:8px!important;border:1px solid var(--border)!important;font-size:.88em;line-height:1.6}.read-bar{position:fixed;top:0;left:0;height:3px;width:0%;background:var(--accent);z-index:9999;transition:width .1s linear;pointer-events:none}.back-top{position:fixed;bottom:28px;right:28px;z-index:100;width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--panel);color:var(--text-2);box-shadow:0 4px 16px #00000024;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .14s,color .14s,transform .14s}.back-top:hover{background:var(--accent-bg);color:var(--accent);transform:translateY(-2px)}.back-top[hidden]{display:none}.sidebar-extra{margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.sidebar-extra[hidden]{display:none}.sidebar-extra-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:0 8px 6px}.sidebar-extra-list{list-style:none;margin:0;padding:0}.sidebar-extra-item a{display:block;padding:5px 8px;border-radius:6px;font-size:13px;color:var(--muted);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-extra-item a:hover,.sidebar-extra-item a[aria-current=page]{background:var(--accent-bg);color:var(--accent)}[data-sidebar-collapsed="1"] .sidebar{width:0;padding:0;overflow:hidden;border-right:0}[data-sidebar-collapsed="1"] .app-shell{grid-template-columns:0 1fr}.sidebar{transition:width .2s ease}.page-layout{position:relative;display:flex;align-items:flex-start;min-height:0}.page-content{flex:1;min-width:0}.toc-panel{width:220px;flex-shrink:0;position:sticky;top:56px;max-height:calc(100vh - 72px);overflow-y:auto;padding:20px 16px 20px 12px;border-left:1px solid var(--border);scrollbar-width:thin}.toc-panel[hidden]{display:none}.toc-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:10px}.toc-nav{display:flex;flex-direction:column;gap:2px}.toc-link{display:block;padding:4px 8px;border-radius:5px;font-size:12.5px;color:var(--muted);text-decoration:none;line-height:1.4;transition:color .12s,background .12s;border-left:2px solid transparent}.toc-link:hover{color:var(--text);background:var(--panel-2)}.toc-link.toc-active{color:var(--accent);border-left-color:var(--accent);background:var(--accent-bg);font-weight:600}.toc-level-2{padding-left:8px}.toc-level-3{padding-left:20px;font-size:12px}.toc-level-4{padding-left:32px;font-size:11.5px}.callout{margin:18px 0;border-radius:8px;border:1px solid;overflow:hidden}.callout-header{display:flex;align-items:center;gap:7px;padding:8px 14px;font-size:13px;font-weight:700}.callout-body{padding:10px 14px;font-size:14px;line-height:1.7}.callout-body>*:first-child{margin-top:0}.callout-body>*:last-child{margin-bottom:0}.callout-note{border-color:#58a6ff44}.callout-note .callout-header{background:#58a6ff18;color:#388bfd}.callout-tip{border-color:#3fb95044}.callout-tip .callout-header{background:#3fb95018;color:#2da44e}.callout-warning{border-color:#d2992244}.callout-warning .callout-header{background:#d2992218;color:#9a6700}.callout-important{border-color:#a371f744}.callout-important .callout-header{background:#a371f718;color:#8957e5}.callout-caution{border-color:#db6d2844}.callout-caution .callout-header{background:#db6d2818;color:#bd561d}.callout-danger{border-color:#f8514944}.callout-danger .callout-header{background:#f8514918;color:#d1242f}[data-theme=dark] .callout-note .callout-header{color:#79c0ff}[data-theme=dark] .callout-tip .callout-header{color:#56d364}[data-theme=dark] .callout-warning .callout-header{color:#e3b341}[data-theme=dark] .callout-important .callout-header{color:#d2a8ff}[data-theme=dark] .callout-caution .callout-header{color:#ffa657}[data-theme=dark] .callout-danger .callout-header{color:#ff7b72}.copy-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:5px;background:var(--panel);color:var(--muted);cursor:pointer;opacity:0;transition:opacity .14s,color .14s;z-index:2}pre:hover .copy-btn{opacity:1}.copy-btn:hover{color:var(--accent)}.heading-anchor{display:inline-flex;align-items:center;margin-left:8px;color:var(--border);opacity:0;text-decoration:none;vertical-align:middle;transition:opacity .12s,color .12s}h2:hover .heading-anchor,h3:hover .heading-anchor,h4:hover .heading-anchor{opacity:1}.heading-anchor:hover{color:var(--accent)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:4px}.bc-sep{color:var(--border);font-size:13px}.bc-link{color:var(--muted);font-size:12.5px;text-decoration:none}.bc-link:hover{color:var(--accent);text-decoration:underline}.bc-text{color:var(--muted);font-size:12.5px}.bc-current{color:var(--text-2);font-size:12.5px;font-weight:600}.meta-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:4px;margin-bottom:18px}.meta-section,.meta-module{font-size:12.5px;color:var(--muted)}.meta-sep,.meta-dot{color:var(--border);font-size:12px}.meta-rt{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--muted)}.page-nav{display:flex;gap:12px;justify-content:space-between;padding:24px 32px 40px;border-top:1px solid var(--border);margin-top:8px}.page-nav-btn{display:flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text);text-decoration:none;font-size:14px;max-width:45%;transition:border-color .14s,background .14s}.page-nav-btn:hover{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}.page-nav-btn span{display:flex;flex-direction:column;gap:2px}.page-nav-btn small{font-size:11px;color:var(--muted)}.page-nav-btn.next{margin-left:auto;text-align:right}.page-nav-btn.prev{text-align:left}.feedback-widget{display:flex;align-items:center;gap:10px;margin-top:36px;padding:16px 20px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2)}.feedback-label{font-size:14px;color:var(--text-2);font-weight:500}.feedback-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--text-2);font:inherit;font-size:13px;cursor:pointer;transition:background .14s,color .14s,border-color .14s}.feedback-btn:hover{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}.feedback-thanks{font-size:13px;color:var(--muted)}.shortcuts-modal{position:fixed;inset:0;margin:auto;top:15vh;width:min(520px,calc(100vw - 32px));max-height:70vh;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:0 24px 64px #00000038;padding:0;overflow:hidden;color:var(--text)}.shortcuts-modal[open]{display:flex;flex-direction:column}.shortcuts-modal::backdrop{background:#0006;backdrop-filter:blur(4px)}.shortcuts-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);flex-shrink:0}.shortcuts-title{font-size:15px;font-weight:700}.shortcuts-body{overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:20px}.shortcuts-group-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}.shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:5px 0;font-size:13.5px}.shortcut-row kbd{font-size:11px;padding:2px 7px;border-radius:4px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);font-family:inherit}.font-size-ctrl{display:inline-flex;gap:2px}.fs-btn{font-size:11px;font-weight:700;font-family:inherit;width:auto;padding:0 8px;letter-spacing:.02em}[data-focus-mode="1"] .sidebar,[data-focus-mode="1"] .topbar{display:none}[data-focus-mode="1"] .app-shell{grid-template-columns:1fr}[data-focus-mode="1"] .toc-panel{display:none}[data-focus-mode="1"] .content-body{padding:48px clamp(16px,4vw,64px);max-width:100%}[data-focus-mode="1"] .article,[data-focus-mode="1"] .page-layout{max-width:100%}.exit-focus-btn{display:none;position:fixed;top:16px;right:16px;z-index:200;align-items:center;gap:6px;padding:7px 14px 7px 10px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;box-shadow:0 2px 12px #00000040;transition:background .15s,transform .1s}.exit-focus-btn:hover{background:var(--accent-2, var(--accent));transform:scale(1.03)}[data-focus-mode="1"] .exit-focus-btn{display:flex}.topbar-left{display:flex;align-items:center;gap:8px}.image-manager-dialog{position:fixed;inset:0;margin:auto;top:12vh;width:min(520px,calc(100vw - 32px));max-height:70vh;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:0 24px 64px #00000040;padding:0;overflow:hidden;color:var(--text)}.image-manager-dialog[open]{display:flex;flex-direction:column}.image-manager-dialog::backdrop{background:#00000073;backdrop-filter:blur(4px)}.im-header{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.im-header span{flex:1;font-weight:600;font-size:15px}.im-close{background:var(--panel-2);border:1px solid var(--border);border-radius:5px;padding:2px 8px;font:inherit;font-size:12px;color:var(--muted);cursor:pointer;flex-shrink:0}.im-body{flex:1;overflow-y:auto;padding:12px}.im-empty{padding:32px 16px;text-align:center;color:var(--muted);font-size:14px}.im-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.im-gallery-item{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:all .2s ease}.im-gallery-item:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.im-gallery-img{width:100%;height:120px;object-fit:cover;background:var(--panel-2)}.im-gallery-info{display:flex;flex-direction:column;gap:6px;padding:10px}.im-gallery-name{font-size:11px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}.im-gallery-item .im-remove{width:100%;justify-content:center;background:#fee2e2;border:none;color:#dc2626;cursor:pointer;border-radius:6px;padding:6px 8px;font-size:11px;font-weight:500}.im-gallery-item .im-remove:hover{background:#fecaca}[data-theme=dark] .im-gallery-item .im-remove{background:#450a0a;color:#f87171}[data-theme=dark] .im-gallery-item .im-remove:hover{background:#7f1d1d}.im-footer{display:flex;justify-content:flex-end;padding:12px 16px;border-top:1px solid var(--border);gap:8px;flex-shrink:0}.im-footer button{padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text)}.im-footer button:hover{background:var(--panel-2)}.markdown-toolbar{display:flex;align-items:center;gap:2px;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--panel);flex-wrap:wrap}.markdown-toolbar .tb-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;background:transparent;border:1px solid transparent;border-radius:4px;color:var(--text-2);font-size:12px;cursor:pointer;white-space:nowrap}.markdown-toolbar .tb-btn:hover:not(:disabled){background:var(--accent-bg);color:var(--accent);border-color:var(--accent)}.markdown-toolbar .tb-btn:disabled{opacity:.4;cursor:not-allowed}.markdown-toolbar .tb-sep{width:1px;height:20px;background:var(--border);margin:0 4px}.markdown-toolbar .tb-spacer{flex:1}#studio-status{font-size:12px;padding:4px 10px;border-radius:4px;background:var(--panel-2);color:var(--muted);transition:all .2s ease}#studio-status[data-kind=ok]{background:var(--accent-bg);color:var(--accent)}#studio-status[data-kind=warn]{background:#fef3c7;color:#92400e}#studio-status[data-kind=error]{background:#fee2e2;color:#dc2626}[data-theme=dark] #studio-status[data-kind=warn]{background:#451a03;color:#fbbf24}[data-theme=dark] #studio-status[data-kind=error]{background:#450a0a;color:#f87171}.unlinked-images-dialog{position:fixed;inset:0;margin:auto;top:12vh;width:min(420px,calc(100vw - 32px));max-height:70vh;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:0 24px 64px #00000040;padding:0;overflow:hidden;color:var(--text)}.unlinked-images-dialog[open]{display:flex;flex-direction:column}.unlinked-images-dialog::backdrop{background:#00000073;backdrop-filter:blur(4px)}.ui-hd{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600;font-size:15px}.ui-close{background:transparent;border:none;color:var(--muted);cursor:pointer;font-size:16px;padding:4px 8px;border-radius:4px}.ui-close:hover{background:var(--panel-2);color:var(--text)}.ui-body{flex:1;overflow-y:auto;padding:16px}.ui-msg{margin:0 0 12px;font-size:14px;color:var(--text)}.ui-list{margin:0;padding-left:20px;font-size:13px;color:var(--muted)}.ui-list li{margin-bottom:4px}.ui-ft{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.ui-ft button{padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text)}.ui-ft button:hover{background:var(--panel-2)}.ui-ft button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.ui-ft button.primary:hover{filter:brightness(1.1)}@media print{.sidebar,.topbar,.back-top,.toc-panel,.page-nav,.feedback-widget,.icon-action,.page-find-bar,.search-trigger,.read-bar{display:none!important}.app-shell{display:block}.content-body{padding:0}.article{border:0;box-shadow:none;padding:0}body{background:#fff;color:#000}a{color:inherit;text-decoration:underline}h2{page-break-before:auto}pre,blockquote,.callout{page-break-inside:avoid}}