:root{--bg: #f7f8fa;--bg-card: #ffffff;--bg-input: #f1f3f5;--bg-hover: #ebf2ee;--bg-active: #d3eadd;--line: #e6e8ec;--line-soft: #eef0f3;--text: #1a1f24;--text-soft: #5a6369;--text-muted: #9ba1a8;--green: #51c98b;--green-soft: #c2eedb;--green-tint: #eaf6f0;--green-deep: #2e9c64;--warn: #d97a3b;--bad: #d04545;--shadow: 0 1px 3px rgba(20,24,32,.05);--radius: 8px;--radius-sm: 4px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font:14px/1.55 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe 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var(--line)}.auth-tab{flex:1;background:transparent;border:0;border-bottom:2px solid transparent;padding:10px 0;font-size:14px;color:var(--text-muted);transition:color .12s,border-color .12s}.auth-tab.active{color:var(--green-deep);border-bottom-color:var(--green);font-weight:500}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-form label{display:block}.auth-form label>span{display:block;font-size:11px;color:var(--text-muted);margin-bottom:6px;letter-spacing:.02em}.auth-form input{width:100%;background:var(--bg-input);border:1px solid transparent;border-radius:var(--radius);padding:10px 12px;font-size:14px;color:var(--text);transition:border-color .12s,background-color .12s}.auth-form input:focus{outline:none;background:var(--bg-card);border-color:var(--green)}.auth-submit{margin-top:8px;background:var(--green);color:#fff;border:0;border-radius:var(--radius);padding:11px;font-size:14px;font-weight:500;letter-spacing:.02em;transition:background-color 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14px}.brand{display:flex;align-items:baseline;gap:6px;margin-bottom:18px}.brand-name{font-size:22px;font-weight:600;letter-spacing:-.01em}.brand-tag{font-size:9px;font-weight:600;letter-spacing:.1em;background:var(--text);color:#fff;padding:2px 5px;border-radius:3px;position:relative;top:-2px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin-bottom:12px}.stat-num{font-size:22px;font-weight:600;line-height:1.2;letter-spacing:-.01em}.stat-label{font-size:11px;color:var(--text-muted)}.heatmap{display:grid;grid-template-columns:repeat(13,1fr);grid-auto-rows:8px;grid-auto-flow:column;gap:2px;margin-bottom:4px;padding:4px 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.1s}.nav-item:hover{background:var(--bg-hover)}.nav-item.active{background:var(--green-tint);color:var(--green-deep);font-weight:500}.nav-icon{font-size:14px;width:16px;text-align:center;opacity:.8}.tag-tree-wrap{flex:1;overflow-y:auto;margin-bottom:12px}.tag-tree-title{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin:8px 0 6px;padding:0 10px}.tag-row{display:flex;align-items:center;justify-content:space-between;padding:5px 10px;font-size:12.5px;color:var(--text-soft);cursor:pointer;border-radius:var(--radius-sm);user-select:none}.tag-row:hover{background:var(--bg-hover)}.tag-row.active{background:var(--green-tint);color:var(--green-deep)}.tag-row .tag-count{font-size:11px;color:var(--text-muted);background:var(--bg-input);padding:1px 6px;border-radius:8px;min-width:18px;text-align:center}.tag-row.active .tag-count{background:var(--green-soft);color:var(--green-deep)}.sidebar-footer{display:flex;gap:8px;border-top:1px solid 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ease}.modal-backdrop.open{opacity:1}.modal{background:var(--bg-card);border-radius:12px;width:min(420px,calc(100vw - 32px));max-height:calc(100vh - 64px);box-shadow:0 8px 32px #1418202e;display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}.modal-header h3{margin:0;font-size:15px;font-weight:600}.modal-close{border:0;background:transparent;color:var(--text-soft);font-size:20px;line-height:1;padding:4px 8px;border-radius:4px}.modal-close:hover{background:var(--bg-hover);color:var(--text)}.modal-body{padding:14px 16px 18px;overflow:auto}.share-toggle-row{display:flex;align-items:center;gap:12px;margin-bottom:8px;cursor:pointer}.share-toggle-row>span:first-child{flex:1;font-weight:500}.share-toggle-row 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var(--line)}.share-qr{display:flex;justify-content:center;padding:8px;background:var(--bg-input);border-radius:var(--radius)}.share-qr svg{width:160px;height:160px}.share-qr:empty{display:none}.drive-pane{display:flex;flex-direction:column;padding:12px 24px 24px;flex:1;min-height:0;outline:2px dashed transparent;outline-offset:-8px;transition:outline .12s ease,background .12s ease}.drive-pane.dragging{outline-color:var(--green);background:var(--green-tint)}.drive-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:6px 0}.drive-crumb{border:0;background:transparent;padding:4px 8px;border-radius:var(--radius-sm);color:var(--text-soft);font-weight:500}.drive-crumb:hover{background:var(--bg-hover);color:var(--text)}.drive-crumb-sep{color:var(--text-muted)}.drive-actions{display:flex;align-items:center;gap:8px;margin:8px 0 12px;flex-wrap:wrap}.drive-usage{margin-left:auto}.drive-uploads{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.drive-uploads:empty{display:none}.drive-upload{display:grid;grid-template-columns:1fr auto auto;grid-template-areas:"name size pct" "bar bar bar";gap:4px 8px;padding:6px 10px;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:12px}.drive-upload-name{grid-area:name;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drive-upload-size{grid-area:size;color:var(--text-muted);font-variant-numeric:tabular-nums}.drive-upload-pct{grid-area:pct;font-variant-numeric:tabular-nums;min-width:40px;text-align:right}.drive-upload-bar{grid-area:bar;height:4px;background:var(--bg-input);border-radius:2px;overflow:hidden}.drive-upload-bar-fill{height:100%;background:var(--green);transition:width .12s ease}.drive-upload.done .drive-upload-bar-fill{background:var(--green-deep)}.drive-upload.failed 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var(--line)}.drive-preview-name{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drive-preview-body{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:var(--bg);overflow:auto}.drive-preview-img{max-width:100%;max-height:100%;object-fit:contain}.drive-preview-audio{width:min(540px,100%)}.drive-preview-video{max-width:100%;max-height:100%}.drive-preview-iframe{width:100%;height:100%;border:0;background:#fff}.drive-preview-text{width:100%;height:100%;margin:0;padding:16px;box-sizing:border-box;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;word-break:break-word;background:var(--bg-card);overflow:auto}.note.editing .note-actions{opacity:1!important}.note-edit-input{width:100%;min-height:96px;padding:10px 12px;border:1px solid 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10px;border:0;background:transparent;text-align:left;border-radius:var(--radius-sm);color:var(--text);cursor:pointer}.tag-menu-item:hover{background:var(--bg-hover)}.tag-menu-item.danger{color:var(--bad)}.tag-menu-item.danger:hover{background:#d0454514}.tag-menu-icon{width:16px;text-align:center}.tag-edit-modal{background:var(--bg-card);border-radius:12px;width:min(440px,calc(100vw - 32px));max-height:calc(100vh - 64px);box-shadow:0 8px 32px #1418202e;display:flex;flex-direction:column;overflow:hidden}.tag-edit-modal .modal-body{display:flex;flex-direction:column;gap:12px;padding:16px 20px}.tag-edit-modal .field{display:flex;flex-direction:column;gap:4px}.tag-edit-modal .field-label{font-size:12px;color:var(--text-soft)}.tag-edit-modal input[type=text]{padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-input);font:inherit}.tag-edit-modal input[type=text]:focus{outline:none;background:var(--bg-card);border-color:var(--green);box-shadow:0 0 0 3px var(--green-tint)}.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:12px 20px;border-top:1px solid var(--line);background:var(--bg-input)}.cognitive-pane{flex:1;min-height:0;display:flex;flex-direction:column;background:#0d1014;color:#ffffffd9}.cognitive-meta{padding:14px 24px 8px;border-bottom:1px solid rgba(255,255,255,.08)}.cognitive-stats{display:flex;gap:24px;font:11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:#fff6}.cognitive-stats strong{color:#ffffffe6;font-weight:600}.cognitive-hint{margin-top:6px;color:#ffffff73}.cognitive-stage{flex:1;min-height:0;position:relative;background:radial-gradient(ellipse at center,#11161c,#0a0d11)}#cognitive-svg{display:block;width:100%;height:100%}.cog-node{cursor:pointer;transition:filter .12s ease}.cog-node:hover{filter:brightness(1.4)}.cog-node.focus{filter:drop-shadow(0 0 12px rgba(249,199,79,.55))}.cognitive-empty{padding:40px;text-align:center}.cognitive-stage[data-loading="1"]:after{content:"加载中…";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#ffffff59;font-size:13px}