:root{--bg: #0d1117;--bg-raised: #161b22;--bg-raised-2: #1c2128;--border: #30363d;--border-soft: #21262d;--text: #e6edf3;--text-muted: #8b949e;--text-faint: #6e7681;--accent: #4c8dff;--accent-hover: #6ea1ff;--accent-soft: rgba(76, 141, 255, .15);--danger: #f85149;--danger-soft: rgba(248, 81, 73, .12);--success: #3fb950;--warning: #d29922;--doc: #4c8dff;--person: #3fb950;--agent: #39c5cf;--system: #f0883e;--concept: #a371f7;--radius: 10px;--radius-sm: 6px;--topbar-h: 56px;--shadow-lg: 0 16px 40px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,system-ui,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}button{font-family:inherit}.hidden{display:none!important}#app{display:flex;flex-direction:column;height:100vh}.topbar{height:var(--topbar-h);min-height:var(--topbar-h);display:flex;align-items:center;gap:12px;padding:0 16px;border-bottom:1px solid var(--border);background:var(--bg-raised);z-index:30}.brand-btn{display:flex;align-items:center;gap:8px;background:none;border:none;color:var(--text);font-size:15px;font-weight:600;cursor:pointer;padding:6px 4px;border-radius:var(--radius-sm)}.brand-btn:hover{background:var(--bg-raised-2)}.brand-mark{color:var(--accent);font-size:18px}.topbar-search{flex:1;display:flex;justify-content:center;min-width:0}.search-box{position:relative;width:100%;max-width:480px;display:flex;align-items:center;background:var(--bg-raised-2);border:1px solid var(--border);border-radius:var(--radius);padding:0 10px;height:36px}.search-box:focus-within{border-color:var(--accent)}.search-icon{opacity:.6;margin-right:6px;font-size:13px}#search-input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:14px;min-width:0}.search-clear{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;font-size:12px}.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-height:320px;overflow-y:auto;z-index:40}.search-result-item{display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--border-soft)}.search-result-item:last-child{border-bottom:none}.search-result-item:hover,.search-result-item.active{background:var(--bg-raised-2)}.search-result-empty{padding:16px 12px;color:var(--text-muted);font-size:13px;text-align:center}.node-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.node-dot.type-document{background:var(--doc);border-radius:3px}.node-dot.type-person{background:var(--person)}.node-dot.type-agent{background:var(--agent)}.node-dot.type-system{background:var(--system)}.node-dot.type-concept{background:var(--concept);transform:rotate(45deg);border-radius:2px}.search-result-label{flex:1;font-size:13.5px}.search-result-type{font-size:11px;color:var(--text-faint);text-transform:capitalize}.search-mobile-toggle{display:none}.topbar-actions{display:flex;gap:8px;flex-shrink:0}.bucket-switcher{display:flex;align-items:center;gap:6px;background:var(--bg-raised-2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:7px 12px;font-size:13px;font-weight:600;cursor:pointer}.bucket-switcher:hover{border-color:var(--accent);color:var(--accent-hover)}.icon-btn{background:none;border:1px solid transparent;color:var(--text);width:34px;height:34px;border-radius:var(--radius-sm);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center}.icon-btn:hover{background:var(--bg-raised-2);border-color:var(--border)}.icon-btn.small{width:26px;height:26px;font-size:12px}.btn{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-sm);border:1px solid transparent;padding:8px 14px;font-size:13.5px;font-weight:600;cursor:pointer}.btn-primary{background:var(--accent);color:#06122b}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{background:var(--border);color:var(--text-faint);cursor:not-allowed}.btn-secondary{background:var(--bg-raised-2);color:var(--text);border-color:var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent-hover)}.btn-ghost{background:none;color:var(--text-muted)}.btn-ghost:hover{color:var(--text)}.btn-block{width:100%;justify-content:center}.btn-tiny{padding:4px 8px;font-size:11px}.view{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}#view-library{padding:24px 28px;overflow-y:auto}.view-header h1{margin:0 0 4px;font-size:22px}.view-subtitle{color:var(--text-muted);margin:0 0 24px;font-size:14px;max-width:640px}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.doc-card{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;display:flex;flex-direction:column;gap:8px;transition:border-color .15s,transform .15s}.doc-card:hover{border-color:var(--accent);transform:translateY(-1px)}.doc-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.doc-card-top{display:flex;align-items:flex-start;gap:10px}.doc-card-icon{width:34px;height:34px;border-radius:8px;background:var(--accent-soft);color:var(--doc);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px}.doc-card-title{font-size:14.5px;font-weight:600;line-height:1.3;margin:0}.doc-card-summary{color:var(--text-muted);font-size:12.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}.doc-card-footer{display:flex;justify-content:space-between;align-items:center;font-size:11.5px;color:var(--text-faint);margin-top:auto;padding-top:6px}.link-pill{background:var(--bg-raised-2);border:1px solid var(--border);border-radius:999px;padding:2px 8px;color:var(--text-muted)}.link-pill.zero{color:var(--warning);border-color:#d2992266}.link-pill.active-pill{color:var(--success);border-color:#3fb95066}.doc-card-status{display:flex;margin-top:-2px}.processing-pill{display:inline-flex;align-items:center;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:2px 8px;border-radius:999px}.processing-pill.in-progress{background:#d2992226;color:var(--warning);border:1px solid rgba(210,153,34,.35)}.processing-pill.failed{background:var(--danger-soft);color:#ff9891;border:1px solid rgba(248,81,73,.35)}.bucket-card.active{border-color:var(--accent);cursor:default}.bucket-card.active:hover{transform:none}.state-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:48px 24px;color:var(--text-muted);max-width:420px;margin:40px auto}.state-panel.small{padding:20px 16px;margin:8px 0;max-width:none}.state-panel h2{color:var(--text);margin:0;font-size:17px}.state-panel p{margin:0;font-size:13.5px;line-height:1.5}.state-icon{font-size:32px;color:var(--accent)}.spinner{width:22px;height:22px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.graph-toolbar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--bg-raised);flex-shrink:0;overflow-x:auto}.graph-toolbar-spacer{flex:1}.breadcrumbs{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--text-muted);white-space:nowrap;overflow-x:auto}.breadcrumbs button{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:4px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.breadcrumbs button:hover{background:var(--bg-raised-2);color:var(--text)}.breadcrumbs button.current{color:var(--text);font-weight:600;cursor:default}.breadcrumbs button.current:hover{background:none}.breadcrumb-sep{color:var(--text-faint)}.depth-control{display:flex;align-items:center;gap:4px;background:var(--bg-raised-2);border:1px solid var(--border);border-radius:999px;padding:3px;flex-shrink:0}.depth-label{font-size:11px;color:var(--text-faint);padding:0 6px}.depth-btn{background:none;border:none;color:var(--text-muted);font-size:12px;padding:5px 10px;border-radius:999px;cursor:pointer}.depth-btn.active{background:var(--accent);color:#06122b;font-weight:600}.graph-stage{position:relative;flex:1;min-height:0;background:radial-gradient(circle at 1px 1px,var(--border-soft) 1px,transparent 0) 0 0/22px 22px,var(--bg)}#cy{position:absolute;top:0;right:0;bottom:0;left:0}.canvas-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0d1117b8;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);text-align:center;padding:20px}.canvas-overlay p{max-width:320px;color:var(--text-muted);font-size:13.5px}.legend-panel{position:absolute;left:14px;bottom:14px;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;width:220px;box-shadow:var(--shadow-lg);z-index:15}.legend-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:13px}.legend-list{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:6px;font-size:12.5px}.legend-list li{display:flex;align-items:center;gap:8px}.legend-swatch{width:12px;height:12px;border-radius:50%;flex-shrink:0}.legend-document{background:var(--doc);border-radius:3px}.legend-person{background:var(--person)}.legend-agent{background:var(--agent)}.legend-system{background:var(--system)}.legend-concept{background:var(--concept);transform:rotate(45deg);border-radius:2px}.legend-hint{font-size:11.5px;color:var(--text-faint);margin:0;line-height:1.5}.mobile-inspector-fab{display:none;position:absolute;right:16px;bottom:16px;background:var(--accent);color:#06122b;border:none;border-radius:999px;padding:10px 16px;font-weight:600;font-size:13px;box-shadow:var(--shadow-lg);z-index:18}.inspector{position:absolute;top:0;right:0;bottom:0;width:320px;background:var(--bg-raised);border-left:1px solid var(--border);padding:16px;overflow-y:auto;z-index:20;display:flex;flex-direction:column}.inspector-handle{display:none}.inspector-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.type-badge{font-size:11px;text-transform:uppercase;letter-spacing:.04em;background:var(--bg-raised-2);border:1px solid var(--border);color:var(--text-muted);padding:3px 8px;border-radius:999px}#inspector-title{font-size:17px;margin:0 0 6px;line-height:1.3}.inspector-summary{font-size:13px;color:var(--text-muted);line-height:1.5;margin:0 0 16px}.inspector-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px}.tab-btn{background:none;border:none;color:var(--text-muted);padding:8px 4px;margin-right:14px;font-size:13px;cursor:pointer;border-bottom:2px solid transparent}.tab-btn.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}.count-badge{background:var(--bg-raised-2);border-radius:999px;padding:1px 6px;font-size:10.5px;margin-left:4px}.tab-panel{flex:1}.inspector-meta{margin:0 0 16px;font-size:12.5px}.inspector-meta div{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid var(--border-soft)}.inspector-meta dt{color:var(--text-faint)}.inspector-meta dd{margin:0;color:var(--text);text-align:right}.inspector-actions{display:flex;flex-direction:column;gap:8px}.links-list{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-direction:column;gap:6px}.link-item{display:flex;align-items:center;gap:8px;background:var(--bg-raised-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;cursor:pointer;font-size:12.5px}.link-item:hover{border-color:var(--accent)}.link-dir{font-size:13px;color:var(--text-faint);flex-shrink:0}.link-type-tag{font-size:10.5px;color:var(--accent-hover);background:var(--accent-soft);padding:1px 6px;border-radius:999px;flex-shrink:0;white-space:nowrap}.link-other{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#010409a6;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);width:420px;max-width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:16px;margin:0}.modal-body{padding:18px;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--border)}.modal-wide{width:780px}.document-viewer-text{line-height:1.6;font-size:13.5px;color:var(--text)}.document-viewer-text h1,.document-viewer-text h2,.document-viewer-text h3,.document-viewer-text h4,.document-viewer-text h5,.document-viewer-text h6{margin:18px 0 8px;color:var(--text)}.document-viewer-text p{margin:0 0 10px}.document-viewer-text ul,.document-viewer-text ol{margin:0 0 10px 20px}.document-viewer-text pre{background:var(--bg-raised-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px;overflow-x:auto}.document-viewer-text code{background:var(--bg-raised-2);border-radius:3px;padding:1px 4px}.document-viewer-text pre code{background:none;padding:0}.document-viewer-text a{color:var(--accent)}.document-viewer-pdf{width:100%;height:70vh;border:0;border-radius:var(--radius-sm);background:#fff}.field-label{display:block;font-size:12px;color:var(--text-muted);margin:14px 0 6px}.text-input{width:100%;background:var(--bg-raised-2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);padding:9px 10px;font-size:13.5px}.text-input:focus{outline:none;border-color:var(--accent)}.muted{color:var(--text-faint);font-size:12px}.inline-error{background:var(--danger-soft);color:#ff9891;border:1px solid rgba(248,81,73,.35);border-radius:var(--radius-sm);padding:8px 10px;font-size:12.5px;margin-top:10px}.dropzone{display:flex;flex-direction:column;align-items:center;gap:6px;border:1.5px dashed var(--border);border-radius:var(--radius);padding:36px 16px;text-align:center;cursor:pointer}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft)}.dropzone-icon{font-size:24px;color:var(--accent)}.dropzone-text{font-size:13.5px}.dropzone-hint{font-size:11.5px;color:var(--text-faint)}.file-review{display:flex;align-items:center;gap:10px;background:var(--bg-raised-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}.file-review-icon{font-size:20px}.file-review-meta{flex:1;display:flex;flex-direction:column;font-size:13px;min-width:0}.file-review-meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-source-line{font-size:13px;color:var(--text-muted);margin:0 0 4px}.link-source-line strong{color:var(--text)}.link-type-row{display:flex;gap:8px}.link-type-row select{flex:1}.target-chip{display:inline-flex;align-items:center;gap:8px;margin-top:8px;background:var(--accent-soft);border:1px solid rgba(76,141,255,.4);color:var(--accent-hover);padding:6px 10px;border-radius:999px;font-size:12.5px}.link-preview{margin-top:14px;background:var(--bg-raised-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px;font-size:12.5px;color:var(--text-muted);text-align:center}.link-preview strong{color:var(--text)}.toast-container{position:fixed;bottom:16px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:200;align-items:center}.toast{background:var(--bg-raised);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:var(--radius-sm);font-size:13px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px;animation:toast-in .2s ease-out}.toast.success{border-color:#3fb95066}.toast.error{border-color:#f8514966}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.demo-controls{position:fixed;top:8px;right:8px;display:flex;align-items:center;gap:6px;background:#1c2128e6;border:1px dashed var(--warning);border-radius:var(--radius-sm);padding:5px 7px;z-index:300;font-size:11px}.demo-label{color:var(--warning);margin-right:4px;white-space:nowrap}.logged-out-screen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:500}.logged-out-screen .state-panel h1{color:var(--text);margin:0 0 4px;font-size:20px}.logged-out-screen .btn{margin-top:8px}@media (max-width: 760px){.topbar{padding:0 10px;gap:8px}.brand-name,.btn-label,.bucket-switcher-name{display:none}#btn-upload{width:36px;height:36px;padding:0;justify-content:center;border-radius:50%}#btn-bucket-switcher{width:36px;height:36px;padding:0;justify-content:center}.search-mobile-toggle{display:flex}.topbar-search{position:static;flex:0}#search-box{display:none;position:fixed;top:var(--topbar-h);left:0;right:0;max-width:none;border-radius:0;height:48px;z-index:50;border-left:none;border-right:none}#search-box.mobile-open{display:flex}.search-results{border-radius:0}#view-library{padding:16px}.library-grid{grid-template-columns:1fr}.graph-toolbar{padding:8px 10px}.depth-label{display:none}.legend-panel{left:10px;right:10px;bottom:74px;width:auto}.mobile-inspector-fab{display:block}.inspector{top:auto;left:0;right:0;bottom:0;width:auto;height:72vh;border-left:none;border-top:1px solid var(--border);border-radius:16px 16px 0 0;transform:translateY(0)}.inspector-handle{display:block;width:36px;height:4px;border-radius:999px;background:var(--border);margin:0 auto 10px}.modal{width:100%;max-height:100vh;height:100%;border-radius:0}.modal-backdrop{padding:0}.demo-controls{flex-wrap:wrap;max-width:140px;top:auto;bottom:8px;right:8px}}