/* Shared document surfaces use the app's theme and control tokens. */
#document-workspace.document-workspace{position:fixed;inset:0 0 0 auto;margin:0;padding:0;width:min(860px,calc(100vw - 32px));height:var(--popup-height,100dvh);max-width:100vw;max-height:none;min-width:0;border:0;border-left:1px solid var(--line);border-radius:0;background:var(--surface);color:var(--ink);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;top:var(--popup-top,0px)}
#document-workspace:not([open]){display:none}
#document-workspace::backdrop{background:color-mix(in srgb,var(--ink) 15%,transparent)}
#document-workspace.is-fullscreen{width:100vw;border-left:0}
.document-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4,16px);padding:var(--space-4,16px) var(--space-5,20px);flex:none}
.document-heading{min-width:0;flex:1}
.document-head h2{font-size:18px;font-weight:500;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0}
.document-file-tools{position:relative;display:flex;align-items:center}.document-file-toggle{display:none!important}
.document-head-actions,.document-file-actions{display:flex;gap:var(--space-1,4px);flex:none;align-items:center}
.document-file-actions:not(:empty){padding-right:var(--space-2,8px);margin-right:var(--space-1,4px);border-right:1px solid var(--line)}
#document-workspace .document-head-actions .button{padding:8px;min-width:40px;min-height:40px;border:0;background:transparent;box-shadow:none;color:var(--secondary);border-radius:var(--ui-control-radius,8px)}
#document-workspace .document-head-actions .button:hover{background:var(--bg);color:var(--ink)}
#document-workspace [data-document-collapse]{display:inline-flex;align-items:center;gap:var(--space-1,4px);width:auto;white-space:nowrap;font-size:12px}
.document-workspace .button{background:var(--surface);color:var(--ink);border-color:var(--line)}
.document-workspace .button:hover{background:var(--bg)}
.document-workspace .button:focus-visible{outline:2px solid var(--ui-ring,var(--blue));outline-offset:2px}
.document-navigation{display:flex;align-items:center;min-width:0;flex:none;border-bottom:1px solid var(--line);padding:0 var(--space-5,20px) var(--space-2,8px);gap:var(--space-3,12px)}
.document-switcher{min-width:0;flex:1;overflow:hidden}
.document-tabs{display:flex;gap:var(--space-1,4px);overflow:auto;min-width:0;scrollbar-width:thin}
#document-workspace .document-tabs .button{max-width:240px;overflow:hidden;text-overflow:ellipsis;display:block;flex:none;min-height:40px;padding:8px 12px;border:0;border-radius:var(--ui-control-radius,8px);background:transparent;color:var(--secondary);font-size:13px;box-shadow:none}
#document-workspace .document-tabs [role=tab][aria-selected=true]{background:var(--bg);color:var(--ink)}
.document-tab-picker{display:none;max-width:none;min-width:0;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--ui-control-radius,8px);padding:8px;font-size:13px}
.document-metadata{margin-top:var(--space-1,4px);color:var(--secondary);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:40px;overflow:auto;line-height:1.6}
.document-boundary{flex:none;padding:var(--space-2,8px) var(--space-5,20px);color:var(--secondary);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:96px;overflow:auto;border-bottom:1px solid var(--line);line-height:1.6}
.document-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:8px 20px;flex:none;max-height:140px;overflow:auto}
.document-actions .button{font-size:12px;white-space:normal;min-height:40px}
.document-actions:empty,.document-boundary:empty{display:none}
.document-operation-status{font-size:12px;color:var(--secondary);margin:0;overflow-wrap:anywhere;flex:0 1 200px;min-width:0;line-height:1.6}
.document-operation-status:empty{display:none}
.document-operation-status[data-error=true]{color:var(--red)}
.document-mode-host{flex:none}
.document-panels,.document-panel{display:flex;flex:1;min-height:0;min-width:0;overflow:hidden;flex-direction:column}
.document-reader{min-height:0;min-width:0;flex:1;overflow:auto;padding:20px;overscroll-behavior:contain;overflow-wrap:anywhere}
.document-reader .markdown-body{font-size:14px;line-height:1.75;max-width:none;width:100%;margin:0}
.document-reader .markdown-body img{max-width:100%;height:auto;cursor:zoom-in}
.document-reader .markdown-body [id]{scroll-margin-top:16px}
.document-reading-layout{display:flex;flex-direction:column;flex:1;min-height:0;min-width:0;overflow:hidden}
.document-reading-layout:has(>.document-toc:not([hidden])){display:grid;grid-template-columns:clamp(128px,28vw,240px) minmax(0,1fr);align-items:stretch}
.document-reading-layout:has(>.document-toc:not([hidden])>details:not([open])){grid-template-columns:44px minmax(0,1fr)}
.document-toc{margin:0;padding:0 var(--space-2,8px) var(--space-2,8px);border:0;border-right:1px solid var(--line);border-radius:0;box-shadow:none;background:var(--surface);font-size:13px;min-height:0;min-width:0;max-height:none;max-width:none;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.document-toc:has(>details:not([open])){padding:0;border:0;overflow:hidden}
.document-toc[hidden]{display:none}
.document-toc summary{cursor:pointer;min-height:44px;padding:var(--space-2,8px);display:flex;align-items:center;justify-content:flex-start;gap:var(--space-2,8px);position:sticky;top:0;background:var(--surface);color:var(--secondary);z-index:1;list-style:none}
.document-toc summary::marker{content:""}.document-toc summary::-webkit-details-marker{display:none}
.document-toc summary .icon{width:18px;height:18px;flex:none}
.document-toc details[open] summary .icon{transform:rotate(180deg)}
.document-toc details:not([open]) summary{justify-content:center}
.document-toc details:not([open]) .document-toc-label{display:none}
.document-toc summary:hover{background:var(--bg);color:var(--ink)}
.document-toc summary:focus-visible{outline:2px solid var(--ui-ring,var(--blue));outline-offset:-3px}
.document-toc ul{list-style:none;margin:0;padding:0}.document-toc a{display:flex;align-items:center;min-height:40px;padding:var(--space-2,8px);line-height:1.6;color:var(--secondary);text-decoration:none;overflow-wrap:anywhere}
.document-toc a:hover{background:var(--bg);color:var(--ink)}
.document-toc li{padding-left:calc(var(--document-heading-depth,0)*var(--space-3,12px))}
.document-toc a[aria-current=location]{color:var(--blue);background:var(--blue-soft);border-radius:var(--ui-control-radius,8px)}
.document-text{white-space:pre-wrap;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;margin:0;overflow-wrap:anywhere}
.document-reader-modes{display:flex;align-items:center;gap:var(--space-1,4px);padding:var(--space-1,4px);border:0;border-radius:var(--ui-control-radius,8px);background:var(--bg);flex:none}
#document-workspace .document-reader-modes .button{min-height:32px;padding:4px 12px;font-size:12px;line-height:1.5;border:0;background:transparent;box-shadow:none;color:var(--secondary)}
#document-workspace .document-reader-modes .button[aria-pressed=true]{background:var(--surface);color:var(--ink)}
.document-error{color:var(--red);white-space:pre-wrap;margin-bottom:12px}
.document-html{width:100%;height:100%;border:0;background:var(--surface);display:block}
.document-reader:has(>.document-html){padding:0}
.document-graph-reader{padding:0;overflow:hidden}
#document-workspace-restore{white-space:nowrap;flex:none;min-height:40px;min-width:44px}
.diagram-viewer{display:flex;flex-direction:column;position:relative;min-width:0;min-height:0;overflow:hidden}
.diagram-viewer-tabs{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap;flex:none;max-height:130px;overflow:auto}
.diagram-viewer-tabs .button{font-size:12px;min-height:40px}
.diagram-canvas{min-width:0;min-height:80px;flex:1;background-color:var(--bg);background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:16px 16px;overflow:hidden;position:relative}
.diagram-tools{justify-content:center;gap:8px;padding:8px 12px;border-top:1px solid var(--line);background:var(--surface);flex:none}
.diagram-tools .button{font-size:12px;padding:8px 10px}
.diagram-relations,.diagram-source{min-width:0;min-height:0;flex:1;overflow:auto;padding:20px;margin:0;overflow-wrap:anywhere;white-space:pre-wrap;font-size:13px;line-height:1.7}
.diagram-relations ul,.diagram-relations ol{padding-left:24px}.diagram-relations h3{margin-top:16px}
.diagram-topic{max-width:200px;min-height:40px;font-size:13px;background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.diagram-status{font-size:12px;color:var(--secondary);padding:8px 16px;flex:none;max-height:120px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}
.diagram-status[role=alert]{color:var(--red)}
.diagram-render-sandbox{position:fixed;left:-20000px;top:0;width:1600px;height:1000px;visibility:hidden;pointer-events:none;border:0}
.document-inline-diagram{height:360px;margin:16px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.document-inline-diagram>button{align-self:flex-start;margin:8px}
@media(max-width:1100px){#document-workspace.document-workspace{width:100vw}}
@media(max-width:650px){
 #document-workspace.document-workspace{width:100vw;height:var(--popup-height,100dvh);padding-bottom:env(safe-area-inset-bottom)}
 .document-head{padding:12px;gap:8px;flex-wrap:wrap}.document-heading{min-width:0;flex-basis:100%}.document-head h2{font-size:15px}.document-file-tools{position:relative;display:flex;align-items:center}.document-file-toggle{display:none!important}
.document-head-actions,.document-file-actions{gap:4px}.document-head-actions{margin-left:auto;max-width:100%;flex-wrap:wrap}.document-file-actions:not(:empty){padding-right:4px;margin-right:0}
 #document-workspace .button,#document-workspace .document-head-actions .button,#document-workspace-restore,.diagram-topic{min-width:44px;min-height:44px}
 .document-head-actions .button{padding:8px}
 #document-workspace .document-file-toggle{display:inline-flex!important}.document-file-tools{padding-right:4px;margin-right:4px;border-right:1px solid var(--line)}
 #document-workspace .document-file-tools .document-file-actions{display:none;position:absolute;right:0;top:calc(100% + 4px);z-index:5;min-width:176px;padding:4px;margin:0;border:1px solid var(--line);border-radius:var(--ui-control-radius,8px);background:var(--surface);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 #document-workspace .document-file-tools:has(.document-file-toggle[aria-expanded=true]) .document-file-actions{display:flex}
 #document-workspace .document-file-actions .button{justify-content:flex-start;gap:8px;font-size:12px;white-space:nowrap}#document-workspace .document-file-actions .button::after{content:attr(aria-label)}
 .document-navigation{padding:0 12px 8px;gap:8px;flex-wrap:wrap}.document-switcher{flex:1;min-width:80px}.document-tabs{display:none}.document-tab-picker{display:block;width:100%;height:44px;min-width:0}.document-operation-status:not(:empty){order:3;flex-basis:100%}.document-reader-modes{padding:0;gap:0}#document-workspace .document-reader-modes .button{padding:8px;min-height:44px}.document-mode-host{max-width:100%}
 .document-actions{padding:8px 12px;gap:8px;max-height:112px}.document-actions .button{padding:8px 10px}
 .document-metadata{max-height:40px}.document-boundary{padding:8px 12px}.document-operation-status{max-height:96px;overflow:auto}
 .document-reader{padding:16px}.document-graph-reader{padding:0}
 .document-toc a,.document-toc summary{min-height:44px}
 .diagram-viewer-tabs{padding:8px 12px;gap:8px}.diagram-tools{gap:4px;padding:8px 4px}.diagram-tools .button{padding:8px}
 .image-zoom-level{min-width:36px}.diagram-relations,.diagram-source{padding:16px}.diagram-canvas{min-height:48px}
}
@media(max-height:500px){.document-head{padding-top:4px;padding-bottom:4px}.document-eyebrow{display:none}.document-navigation{padding-top:4px;padding-bottom:4px}.document-actions{padding-top:4px;padding-bottom:4px;max-height:56px}.diagram-viewer-tabs{padding-top:4px;padding-bottom:4px;max-height:56px}.diagram-tools{padding-top:4px;padding-bottom:4px}.document-metadata{max-height:28px}}

/* SVGs retain their authored light document paper in either app theme. */
.diagram-canvas>.image-zoom-image{color-scheme:light;background:Canvas}

/* Reserve window controls only when a native document spans the left edge. */
.native-desktop #document-workspace.is-fullscreen .document-head{padding-left:var(--document-native-safe-left,96px)}
@media(max-width:1100px){.native-desktop #document-workspace .document-head{padding-left:var(--document-native-safe-left,96px)}}
#document-workspace .diagram-node-locate{white-space:pre-wrap;text-align:left;justify-content:flex-start;margin:4px 0;max-width:100%;overflow-wrap:anywhere}