.demo-brand-link{color:inherit;text-decoration:none}.demo-sign-in{padding:6px 9px;border:1px solid var(--line);border-radius:6px;background:var(--raised);color:var(--muted);font-size:11px;font-weight:650;text-decoration:none}.demo-sign-in:hover{border-color:var(--accent);color:var(--accent-dark)}.demo-context-bar{min-height:34px;padding:7px 32px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);background:var(--accent-soft);color:var(--ink);font-size:11px}.demo-context-bar strong{color:var(--accent-dark)}.demo-state{max-width:560px;margin:70px auto;padding:24px;color:var(--muted)}.demo-state.error{color:var(--danger)}.demo-state button{margin-left:12px;padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:var(--raised);cursor:pointer}.demo-app .taxonomy-workspace-view{padding-top:36px}.demo-app .taxonomy-tree-pane{max-height:calc(100vh - 270px);overflow-y:auto}.demo-app .taxonomy-tree-row{grid-template-columns:27px minmax(0,1fr) 34px}.demo-app .taxonomy-tree-row .tree-row-main{width:100%}.demo-app .taxonomy-tree-children{margin-left:21px;padding-left:8px}.demo-app .taxonomy-tree-row.depth-1{min-height:38px}.demo-app .organize-button:disabled{opacity:.5;cursor:not-allowed}.demo-tag-tree{margin-top:8px;border-top:1px solid var(--line)}.demo-inspector{position:-webkit-sticky;position:sticky;top:88px;max-height:calc(100vh - 118px);overflow-y:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.demo-inspector .taxonomy-question-list{padding:15px}.demo-inspector .board-inspector-header{padding:15px;border-bottom:1px solid var(--line)}.demo-card-math{max-height:100px;overflow:hidden;color:var(--ink);font-size:11px;line-height:1.5}.demo-app .taxonomy-question-preview>small{color:var(--muted);font-size:9px}.demo-app .taxonomy-question-open{color:var(--accent-dark);font-size:10px;font-weight:750}.demo-app .question-card-tags{margin-top:2px}.demo-app .question-card-tags>span{font-size:9px}.demo-pdf-home{padding-top:44px}.demo-disabled-dropzone{cursor:not-allowed}.demo-disabled-dropzone:hover{border-color:var(--line-strong);background:color-mix(in oklab,var(--surface) 62%,transparent);transform:none}.demo-import-hint{margin-top:12px;color:var(--muted);font-size:11px;line-height:1.5}.demo-pdf-review{height:calc(100vh - 102px)}.demo-pdf-review .pdf-review-header .finish-review{display:grid;place-items:center;text-decoration:none}.demo-pdf-review .pdf-import-level-setting select{opacity:.7}.demo-pdf-review .pdf-draft-card{cursor:pointer}.demo-pdf-review .pdf-draft-preview>div{margin-top:9px}.demo-draft-figure{display:block;width:min(100%,360px);height:auto;margin:10px 0}.demo-pdf-review .pdf-draft-card .question-card-tags{margin-top:10px}.demo-pdf-review .pdf-draft-card footer{justify-content:flex-start}.demo-pdf-review .pdf-page-pane{background:var(--ground)}.demo-page-controls{margin-left:auto;display:flex;align-items:center;gap:8px}.demo-page-controls button{min-height:30px;padding:0 8px;border:1px solid var(--line);border-radius:5px;background:var(--raised);font-size:10px;cursor:pointer}.demo-page-controls button:disabled{opacity:.45;cursor:default}.demo-page-controls span,.demo-pdf-review .crop-toolbar>span{color:var(--muted);font-size:10px;white-space:nowrap}.demo-page-wrap{width:min(600px,calc(100% - 30px));margin:18px auto}.demo-page-wrap img{display:block;width:100%;height:auto;box-shadow:0 3px 18px oklch(25% .02 80/.12)}.demo-locked{width:min(520px,calc(100% - 40px));margin:90px auto;padding:34px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.demo-locked>span{color:var(--accent-dark);font-size:10px;font-weight:750;text-transform:uppercase}.demo-locked h1{margin:8px 0;font-size:24px}.demo-locked p{color:var(--muted);font-size:12px;line-height:1.55}.demo-locked a{display:inline-block;margin-top:14px;padding:9px 12px;border-radius:6px;background:var(--accent);color:var(--surface);font-size:11px;text-decoration:none}.demo-modal-backdrop{position:fixed;z-index:50;inset:0;padding:28px;display:grid;place-items:center;background:oklch(25% .02 82/.45)}.demo-question-modal{width:min(1060px,100%);max-height:calc(100vh - 56px);display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow)}.demo-question-modal .modal-header{display:flex;justify-content:space-between;align-items:center}.demo-question-modal .modal-header>button{width:30px;height:30px;border:0;background:transparent;font-size:22px;cursor:pointer}.demo-modal-body{min-height:0;display:grid;grid-template-columns:250px minmax(0,1fr)}.demo-modal-body .question-picker{overflow-y:auto;border-right:1px solid var(--line)}.demo-modal-body .question-preview{position:static;max-height:none;overflow-y:auto;border:0;border-radius:0;box-shadow:none}.demo-modal-body .question-preview h2{margin:0;font-size:18px}.demo-modal-body .preview-content{min-height:0;padding:15px 0}.demo-preview-figure{display:block;width:min(100%,480px);height:auto;margin:14px 0}.demo-preview-answer{display:grid;grid-gap:8px;gap:8px;padding-top:15px;border-top:1px solid var(--line);font-size:12px}.demo-preview-answer strong{margin-top:8px;color:var(--muted);font-size:10px;text-transform:uppercase}.demo-preview-source{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.demo-preview-source button{display:block;margin-top:8px;padding:0;border:0;background:transparent;color:var(--accent-dark);font-size:10px;font-weight:750;cursor:pointer}@media (max-width:900px){.demo-app .taxonomy-tree-pane{max-height:none}.demo-pdf-review .pdf-review-panes{grid-template-columns:1fr}.demo-pdf-review .demo-mobile-hidden{display:none}.demo-pdf-review .pdf-review-header{grid-template-columns:auto minmax(0,1fr) auto}}@media (max-width:700px){.demo-app .bank-header{height:auto;min-height:68px;padding:8px 16px;grid-template-columns:1fr auto;gap:5px}.demo-app .tabs{grid-column:1/-1;grid-row:2;overflow-x:auto}.demo-app .tabs button{min-height:42px;padding:0 9px;white-space:nowrap;font-size:11px}.demo-context-bar{padding:8px 16px;align-items:flex-start;flex-direction:column;gap:3px}.demo-app .visualize-view{width:calc(100% - 28px);padding-top:25px}.demo-app .visualize-heading{align-items:stretch;flex-direction:column;gap:12px}.demo-app .search-field{width:100%}.demo-app .taxonomy-toolbar{align-items:flex-start;flex-direction:column;gap:10px;padding-bottom:12px}.demo-app .taxonomy-toolbar>div{justify-content:flex-start}.demo-app .taxonomy-workspace{grid-template-columns:1fr}.demo-app .demo-inspector{position:static;max-height:none}.demo-pdf-review{height:calc(100vh - 141px)}.demo-pdf-review .crop-toolbar>span,.demo-pdf-review .pdf-import-level-setting>span{display:none}.demo-modal-backdrop{padding:8px}.demo-question-modal{max-height:calc(100vh - 16px)}.demo-modal-body{grid-template-columns:1fr}.demo-modal-body .question-picker{max-height:110px;border-right:0;border-bottom:1px solid var(--line)}}.demo-upload-view .upload-subtabs{margin-bottom:0}.demo-single-preview{width:min(960px,calc(100% - 40px));margin:48px auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.8fr);grid-gap:36px;gap:36px;align-items:start}.demo-single-preview>div>span{color:var(--accent-dark);font-size:11px;font-weight:750}.demo-single-preview h1{margin:10px 0 12px;font-size:26px}.demo-single-preview p{max-width:54ch;color:var(--muted);font-size:13px;line-height:1.6}.demo-single-preview a{display:inline-block;margin-top:16px;padding:10px 13px;border-radius:6px;background:var(--accent);color:var(--surface);font-size:12px;font-weight:650;text-decoration:none}.demo-single-fields{border:1px solid var(--line);border-radius:9px;background:var(--surface)}.demo-single-fields>div{display:grid;grid-gap:7px;gap:7px;padding:18px;border-bottom:1px solid var(--line);font-size:12px}.demo-single-fields>div:last-child{border-bottom:0}.demo-single-fields span{color:var(--muted)}@media (max-width:700px){.demo-single-preview{grid-template-columns:1fr;margin-top:28px;gap:22px}}.demo-app .database-collection-box .taxonomy-workspace{margin-top:0}.demo-app .demo-pdf-library .taxonomy-workspace{grid-template-columns:minmax(230px,1fr) minmax(0,2fr)}.demo-app .demo-paper-card{width:100%;text-align:left}.demo-paper-thumbnail{width:74px;height:92px;display:grid;place-items:center;border:1px solid var(--line);background:var(--raised);color:var(--muted);font-size:15px;font-weight:800}.demo-paper-modal{width:min(1100px,100%);height:min(900px,calc(100vh - 56px));display:grid;grid-template-rows:48px minmax(0,1fr);overflow:hidden;border-radius:10px;background:var(--surface)}.demo-paper-modal header{padding:0 14px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.demo-paper-modal header button{border:0;background:transparent;font-size:24px;cursor:pointer}.demo-paper-modal iframe{width:100%;height:100%;border:0}.demo-pdf-review .pdf-page-pane{position:relative}.demo-pdf-review .pdf-pages{padding:18px}.demo-pdf-review .demo-page-wrap{width:min(600px,100%)}.demo-pdf-review .demo-page-wrap .pdf-page-canvas>img{width:100%;height:auto;display:block}.demo-region{pointer-events:none;cursor:default}.demo-region.shared_diagram>span{display:block}.demo-pdf-review .diagram-crop-settings>div span,.demo-pdf-review .question-region-settings>div span,.demo-region-note{color:var(--muted);font-size:10px}.demo-pdf-review .crop-toolbar .demo-region-note{margin-left:auto}.demo-upload-view:has(.demo-pdf-review)>.upload-subtabs{display:none}.demo-app:has(.demo-pdf-review) .demo-context-bar{display:none}.demo-pdf-review{height:calc(100vh - 68px)}@media (max-width:900px){.demo-app .demo-pdf-library .taxonomy-workspace{grid-template-columns:1fr}}@media (max-width:700px){.demo-pdf-review{height:calc(100vh - 110px)}}.demo-tag-tree .demo-tag-content{max-height:360px;padding:8px;display:grid;grid-gap:8px;gap:8px;overflow-y:auto;container-type:inline-size}.demo-tag-tree .tag-library-item>button{width:100%}