:root{--bg: #0a0a0a;--panel: #0d0d0d;--panel-2: #131313;--panel-3: #1a1a1a;--line: #1d1d1d;--line-2: #262626;--text: #ededed;--text-2: #a8a8a8;--muted: #6a6a6a;--muted-2: #424242;--accent: #5b8cff;--accent-2: #b8c4ff;--warm: #ffb05c;--danger: #ff7a8a;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;--topbar-h: 40px;--sidebar-w: 240px;--inspector-w: 280px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:13px;letter-spacing:-.005em;overflow:hidden;-webkit-font-smoothing:antialiased}#app{height:100%;display:grid;grid-template-columns:var(--sidebar-w) 1fr var(--inspector-w);grid-template-rows:var(--topbar-h) 1fr}body.no-doc #app{grid-template-columns:var(--sidebar-w) 1fr 0}body.no-doc #inspector,body.no-doc .sidebar-pages{display:none}body:not(.no-doc) #user-authed{display:none}#topbar{grid-column:1 / -1;grid-row:1;display:flex;align-items:center;gap:12px;padding:0 12px 0 18px;background:var(--panel);border-bottom:1px solid var(--line);z-index:10}.brand{display:inline-flex;align-items:center;background:transparent;padding:2px 4px;border-radius:6px;color:var(--text);font:inherit;font-weight:500;cursor:pointer}.brand:hover{background:var(--panel-2);color:var(--text)}.brand-name{font-size:13px;letter-spacing:-.01em}.docinfo{display:flex;align-items:baseline;gap:12px;flex:1;min-width:0;color:var(--text-2)}.docinfo-sep{color:var(--muted-2)}#doc-name{color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{font-family:var(--mono);font-size:12px;color:#909090}.topbar-actions{display:flex;gap:6px}button{background:transparent;color:var(--text-2);border:0;padding:5px 10px;border-radius:6px;font:inherit;cursor:pointer;transition:color .1s,background .1s}button:hover{color:var(--text);background:var(--panel-2)}#sidebar{grid-column:1;grid-row:2;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:6px 0;min-height:0}.sidebar-section{margin-bottom:4px}.sidebar-toggle{width:100%;background:transparent;border:0;color:var(--text-2);padding:6px 12px;display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;text-align:left}.sidebar-toggle:hover{color:var(--text);background:transparent;border:0}.sidebar-toggle .chevron{transition:transform .12s;color:var(--muted);flex-shrink:0}.sidebar-toggle[aria-expanded=false] .chevron{transform:rotate(-90deg)}.sidebar-tree,.tree-children{list-style:none;margin:0;padding:0}.sidebar-tree[hidden],.tree-children[hidden]{display:none}.tree-node{display:block}.tree-row{display:flex;align-items:center;gap:4px;width:100%;padding:3px 12px;padding-left:calc(12px + var(--depth, 0) * 12px);color:var(--text-2);font-size:12px;background:transparent;border:0;border-radius:0;text-align:left;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;user-select:none;font-family:inherit}.tree-row:hover{background:var(--panel-2);color:var(--text)}.tree-row.active{background:var(--panel-3);color:var(--text)}.tree-chev{display:inline-flex;align-items:center;justify-content:center;width:12px;height:12px;flex-shrink:0;color:var(--muted);transition:transform .1s;transform:rotate(-90deg)}.tree-node.expanded>.tree-row>.tree-chev{transform:rotate(0)}.tree-chev-empty{visibility:hidden}.tree-icon{width:11px;height:11px;flex-shrink:0;color:var(--muted)}.tree-row.active .tree-icon{color:var(--accent)}.tree-tag{font-family:var(--mono);font-size:10px;color:var(--muted);margin-right:2px}.tree-row:hover .tree-tag{color:var(--text-2)}.tree-row.active .tree-tag{color:var(--accent)}.tree-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-page>.tree-row{font-weight:500;color:var(--text)}.references-tree{position:relative;padding-bottom:6px}.reference-add-row{padding:4px 12px 0 28px}.reference-add-btn{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;background:var(--panel-2);border:0;border-radius:6px;color:var(--text-2);font-size:12px;cursor:pointer;font-family:inherit}.reference-add-btn:hover{background:var(--panel-3);color:var(--text)}.reference-add-plus{font-size:14px;line-height:1;color:var(--muted)}.reference-add-btn:hover .reference-add-plus{color:var(--text)}.reference-stack{position:relative;display:block;padding:8px 12px 12px;list-style:none}.reference-card{position:relative;display:block;width:78%;aspect-ratio:1 / 1;margin-top:-14%;border-radius:6px;overflow:hidden;background:var(--panel-2);border:1px solid var(--line);box-shadow:0 8px 22px #0000008c;color:var(--text-2);cursor:zoom-in;user-select:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.reference-card:first-child{margin-top:0}.reference-card.offset-right{margin-left:auto;margin-right:2px}.reference-card.offset-left{margin-left:2px;margin-right:auto}.reference-card:hover{transform:translateY(-2px);border-color:var(--line-2)}.reference-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 8px 22px #0000008c}.reference-card-thumb{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--panel-2);color:var(--muted);font:10px var(--mono);object-fit:cover;pointer-events:none}.reference-card-delete{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:4px;display:none;align-items:center;justify-content:center;padding:0;background:#0009;color:#fff;font-size:13px;line-height:1;cursor:pointer;border:0;z-index:1}.reference-card:hover .reference-card-delete{display:inline-flex}.reference-card-delete:hover{background:var(--danger)}.reference-marquee{position:absolute;pointer-events:none;border:1px solid var(--accent);background:#5b8cff1f;z-index:9999}.reference-fullscreen{position:fixed;inset:0;background:#000000eb;z-index:1000;display:flex;align-items:center;justify-content:center;cursor:zoom-out}.reference-fullscreen-stage{max-width:min(96vw,100%);max-height:96vh;display:flex;align-items:center;justify-content:center}.reference-fullscreen-stage img{max-width:96vw;max-height:96vh;width:auto;height:auto;object-fit:contain;display:block;user-select:none;-webkit-user-drag:none}.reference-fullscreen-note{color:var(--text);font-family:var(--mono);font-size:13px;padding:24px}#stage{grid-column:2;grid-row:2;position:relative;overflow:hidden;min-width:0;min-height:0;background:var(--bg)}#dropzone{position:absolute;inset:0;overflow:auto;padding:40px 56px 56px}#dropzone.drag:before{content:"";position:absolute;inset:16px;border:1.5px dashed var(--accent);border-radius:14px;background:#5b8cff0a;pointer-events:none;z-index:1}.files-view{max-width:1200px;margin:0 auto}.files-header{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:28px}.files-title{margin:0;font-size:28px;font-weight:500;letter-spacing:-.02em;color:var(--text)}.files-hint{margin:0;color:var(--muted);font-size:12px}.files-hint code{font-family:var(--mono);color:var(--text-2);background:var(--panel-2);padding:1px 6px;border-radius:4px;border:1px solid var(--line);font-size:11px}.files-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px 20px}.file-card{display:flex;flex-direction:column;gap:10px;padding:0;background:transparent;border:0;text-align:left;cursor:pointer;font:inherit;color:inherit;transition:transform .08s}.file-card:hover{background:transparent;transform:none}.file-card:active .file-thumb{transform:scale(.99)}.file-thumb{aspect-ratio:4 / 3;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:border-color .1s,background .1s;overflow:hidden}.file-thumb-fit{width:86%;height:78%;display:flex;align-items:center;justify-content:center;color:var(--text)}.file-thumb-fit>svg{width:100%;height:100%;display:block}.file-pages rect{fill:currentColor;fill-opacity:.08;stroke:currentColor;stroke-opacity:.22;stroke-width:.6}.file-card:hover .file-pages rect{fill-opacity:.12;stroke-opacity:.35}.file-card:hover .file-thumb{border-color:var(--line-2);background:var(--panel-3)}.file-thumb-cta{border:1px dashed var(--line-2);background:transparent}.file-card:hover .file-thumb-cta{border-color:var(--accent);background:#5b8cff0a;color:var(--accent)}.file-thumb-cta svg{width:28px;height:28px}.file-meta{padding:0 2px;display:flex;flex-direction:column;gap:3px;min-width:0}.file-name{color:var(--text);font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-card:hover .file-name{color:var(--text)}.file-card.file-card-cta .file-name{color:var(--text-2);font-weight:500}.file-card.file-card-cta:hover .file-name{color:var(--accent)}.file-sub{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-forget{position:absolute;top:6px;right:6px;width:22px;height:22px;display:none;align-items:center;justify-content:center;background:#0d0d0dd9;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:13px;padding:0}.file-thumb{position:relative}.file-card:hover .file-forget{display:flex}.file-forget:hover{color:var(--danger);border-color:var(--line-2);background:var(--panel-3)}#viewport{position:absolute;inset:0}#viewport.drag:before{content:"";position:absolute;inset:16px;border:1.5px dashed var(--accent);border-radius:14px;background:#5b8cff0d;pointer-events:none;z-index:20}#inspector{grid-column:3;grid-row:2;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;display:flex;flex-direction:column;min-height:0}.ins-section{border-bottom:1px solid var(--line)}.ins-section:last-of-type{border-bottom:0}.ins-export-section{position:sticky;bottom:0;margin-top:auto;background:var(--panel);border-top:1px solid var(--line);border-bottom:0;z-index:2}.ins-export-section>.ins-head-toggle{padding:14px}.ins-export-section>.ins-head-toggle[aria-expanded=true]{padding:12px 14px 8px}.ins-head-toggle{width:100%;background:transparent;border:0;font:inherit;cursor:pointer;text-align:left;color:inherit}.ins-head-toggle:hover .ins-plus{color:var(--text)}.ins-plus{color:var(--muted);flex-shrink:0;transition:transform .15s}.ins-head-toggle[aria-expanded=true] .ins-plus{transform:rotate(45deg)}.ins-export-head-right{display:inline-flex;align-items:center;gap:14px}.ins-export-head-right .ins-meta{display:none}.ins-head-toggle[aria-expanded=true] .ins-export-head-right .ins-meta{display:inline}.ins-select{background:var(--panel-2);border:1px solid var(--line);border-radius:4px;color:var(--text);font:inherit;font-size:11px;padding:3px 6px;cursor:pointer}.ins-select:hover{background:var(--panel-3)}.ins-export-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 10px;background:var(--panel-2);border:0;border-radius:6px;color:var(--text);font:inherit;font-size:12px;cursor:pointer;margin-top:4px}.ins-export-btn:hover{background:var(--panel-3)}.ins-export-btn:disabled{color:var(--muted);cursor:progress;background:var(--panel-2)}.ins-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 8px;font-size:12px;color:var(--text);font-weight:500}.ins-head 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1fr;column-gap:24px}.ins-row-grid>.ins-row{justify-content:flex-start;gap:14px}.ins-row-label{color:var(--muted);font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.04em;flex-shrink:0}.ins-row-value{color:var(--text-2);font-family:var(--mono);font-size:11px;display:flex;align-items:center;gap:6px;min-width:0;overflow:hidden}.ins-row-value>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ins-swatch{width:14px;height:14px;border-radius:3px;border:1px solid var(--line-2);flex-shrink:0;background-image:linear-gradient(45deg,#444 25%,transparent 25%,transparent 75%,#444 75%),linear-gradient(45deg,#444 25%,transparent 25%,transparent 75%,#444 75%);background-size:8px 8px;background-position:0 0,4px 4px;position:relative;overflow:hidden}.ins-swatch-inner{position:absolute;inset:0}.ins-textarea{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;color:var(--text);font:inherit;padding:8px 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var(--sans);color:#9a9a9ac7;white-space:nowrap;will-change:transform;cursor:pointer;user-select:none}.canvas-label:hover{color:#c8c8c8e6}.canvas-label.selected-page{color:var(--text)}.canvas-tile.selected-page{box-shadow:0 24px 48px #0000008c,0 2px 6px #0000004d,0 0 0 calc(2px/max(var(--canvas-scale, 1),sqrt(var(--canvas-scale, 1)))) var(--accent)}.canvas-hud{position:absolute;bottom:12px;left:12px;display:flex;gap:2px;align-items:center;background:#0d0d0de0;backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:8px;padding:4px;font:12px var(--mono);z-index:5}.canvas-hud button{padding:4px 8px;font-size:11px;border:0;border-radius:4px}.canvas-hud button:hover{background:var(--panel-3);border:0}.canvas-count{color:var(--muted);padding:4px 8px;font-size:11px}#present-btn{background:var(--text);color:#0b0b0b;font-weight:500;padding:5px 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.present-hud{opacity:1;pointer-events:auto}.present-root.idle{cursor:none}.present-hud button{padding:4px 10px;min-width:28px;border:0;background:transparent}.present-hud button:hover{background:var(--panel-3);border:0}.present-counter{padding:4px 12px;color:var(--muted)}.present-root.speaker{display:grid;grid-template-columns:1fr 1fr;background:#050608}.present-speaker{position:relative;grid-column:2;background:var(--panel);color:var(--text);padding:32px;overflow:auto;border-left:1px solid var(--line);font-family:var(--sans)}.present-speaker h2{margin-top:0;color:var(--accent-2);font-family:var(--sans);font-size:13px;font-weight:500}.present-speaker .notes-body{font-size:16px;line-height:1.55;margin-top:12px}.present-speaker .present-next{margin-top:32px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted)}.viu-error{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center;color:var(--danger);font-family:var(--mono);gap:12px}.viu-error pre{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px 16px;color:var(--muted);font-size:12px;max-width:600px;overflow:auto;text-align:left}.sidebar-user{padding:14px 14px 12px;display:flex;flex-direction:column;gap:10px}.user-error{color:var(--danger);font-size:12px;font-family:var(--mono);word-break:break-word}.login-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;background:#000000b8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.login-card{width:min(300px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:32px 28px;display:flex;flex-direction:column;gap:14px;box-shadow:0 12px 48px #00000080}.login-brand{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}.login-title{margin:0;font-size:22px;font-weight:600;letter-spacing:-.01em}.login-sub{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.login-form{display:flex;flex-direction:column;gap:10px;margin-top:6px}.login-form input{width:100%;background:var(--panel-2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;font-size:14px;outline:none;transition:border-color .1s}.login-form input:focus{border-color:var(--text)}.login-submit{background:var(--text);color:#0b0b0b;border:0;padding:10px 14px;border-radius:8px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background-color 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var(--line)}.user-text{display:flex;flex-direction:column;min-width:0;flex:1;line-height:1.25}.user-name{font-size:13px;color:var(--text);font-family:var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-name.empty{color:var(--muted);font-style:italic;opacity:.6}.user-workspace{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono)}.user-logout{align-self:center;margin-top:4px;font-size:12px;color:var(--muted);padding:6px 10px;border-radius:6px;background:transparent;border:0;cursor:pointer}.user-logout:hover{color:var(--text);background:var(--panel-2)}.file-card.cloud .file-thumb{border-color:var(--line-2)}.file-card.cloud-loading .file-thumb{background:linear-gradient(110deg,var(--panel-2) 30%,var(--panel-3) 50%,var(--panel-2) 70%);background-size:200% 100%;animation:cloud-shimmer 1.4s ease-in-out infinite}@keyframes cloud-shimmer{0%{background-position:200% 0}to{background-position:-100% 0}}.file-card.cloud .file-thumb-fit svg{width:100%;height:100%}.file-cloud-badge{font-family:var(--mono);font-size:10px;color:var(--muted);margin-left:6px;letter-spacing:.02em}