.pdf-reader{min-height:100%;background:var(--soft)}.pdf-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px 0;font-size:12px;color:var(--muted)}.pdf-meta>span{display:flex;align-items:center;gap:10px;min-width:0}.pdf-meta>span>b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;color:var(--text)}.pdf-reader .selection-floating-bar{margin-top:10px}.pdf-viewer{padding:24px 16px 40px;min-height:100%;background:var(--soft)}.pdf-pages{display:flex;flex-direction:column;align-items:center}.pdf-page{position:relative;flex:none;background:#fff;border-radius:2px;box-shadow:0 5px 22px #00000026;overflow:hidden}.pdf-page canvas{display:block}.pdf-page .textLayer{--user-unit: 1;z-index:1}.pdf-page .textLayer ::selection{background:color-mix(in srgb,var(--accent) 35%,transparent)}.pdf-page mark.k-mark{background:color-mix(in srgb,var(--accent) 35%,transparent);color:transparent}.pdf-loading{flex-direction:column;gap:14px}.pdf-converting{margin:0;font-size:12px;color:var(--muted)}.pdf-state{display:grid;gap:16px;justify-items:center;padding:40px 16px}.pdf-state-actions{display:flex;gap:10px}@media(max-width:720px){.pdf-viewer{padding:12px 6px 28px}}.k-desk,.k-browser{--f-pdf: #d99c9c;--f-docx: #8fb3dc;--f-md: #a3c6a4;--f-txt: #b4b4b4;--f-pptx: #dcb28e;--f-xlsx: #88c6a8;--f-note: var(--accent);--f-map: var(--sage);--f-lecture: var(--apricot);--f-cards: var(--plum);--f-lab: var(--plum)}:root[data-theme=light] .k-desk,:root[data-theme=light] .k-browser{--f-pdf: #b85f5f;--f-docx: #4a7db5;--f-md: #5f8f62;--f-txt: #7d7d7d;--f-pptx: #b07a4a;--f-xlsx: #3f8f68}[data-fmt=pdf]{--fmt: var(--f-pdf)}[data-fmt=docx]{--fmt: var(--f-docx)}[data-fmt=md]{--fmt: var(--f-md)}[data-fmt=txt]{--fmt: var(--f-txt)}[data-fmt=pptx]{--fmt: var(--f-pptx)}[data-fmt=xlsx]{--fmt: var(--f-xlsx)}[data-fmt=note]{--fmt: var(--f-note)}[data-fmt=map]{--fmt: var(--f-map)}[data-fmt=lecture]{--fmt: var(--f-lecture)}[data-fmt=cards]{--fmt: var(--f-cards)}[data-fmt=lab]{--fmt: var(--f-lab)}.k-browser{position:relative}.k-browser-bar{position:sticky;top:-2px;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 -24px 16px;padding:4px 24px 10px;background:var(--surface)}.k-browser-bar .k-filters{margin:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;min-width:0}.k-browser-bar .k-filters button{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.k-browser-bar .k-filters small{font-size:10.5px;opacity:.6;font-variant-numeric:tabular-nums}.k-browser-bar .k-filters button[data-on=true][data-fmt]{color:var(--fmt)!important;background:color-mix(in srgb,var(--fmt) 14%,transparent)}.k-browser-tools{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0}.k-sentinel{height:1px}.fc{position:relative;width:100%;height:100%;display:grid;place-items:center;overflow:hidden;background:radial-gradient(120% 90% at 80% 0%,color-mix(in srgb,var(--fmt) 30%,transparent),transparent 60%),color-mix(in srgb,var(--fmt) 7%,#1c1f24)}:root[data-theme=light] .fc{background:radial-gradient(120% 90% at 80% 0%,color-mix(in srgb,var(--fmt) 26%,transparent),transparent 60%),color-mix(in srgb,var(--fmt) 8%,#eceff2)}.fc strong{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;font-size:11px;font-weight:600;line-height:1.35;letter-spacing:-.01em}.fc-sheet{position:relative;width:62%;height:112%;margin-top:28px;padding:14px 12px;display:flex;flex-direction:column;gap:5px;border-radius:6px 6px 0 0;color:#2c2a26;background:#f3f1ea;box-shadow:0 16px 34px -12px #000a;transition:transform .7s var(--ease)}.k-card:hover .fc-sheet{transform:translateY(-5px) rotate(-1deg)}.fc-sheet>i{display:block;height:4px;border-radius:3px;background:#2c2a2622}.fc-sheet>i.short{width:58%}.fc-badge{align-self:flex-start;padding:2px 5px;margin-bottom:3px;border-radius:4px;font-size:8px;letter-spacing:.06em;color:#fff;background:color-mix(in srgb,var(--fmt) 82%,#000)}.fc-sheet>em{margin-top:auto;font-style:normal;font-size:8.5px;color:#2c2a2699}.fc-figure{height:22px;margin-top:3px;border-radius:3px;background:linear-gradient(100deg,color-mix(in srgb,var(--fmt) 38%,#f3f1ea),color-mix(in srgb,var(--fmt) 14%,#f3f1ea))}.fc-pdf .fc-sheet{transform:rotate(-3deg)}.fc-pdf .fc-sheet strong{font-size:12px}.fc-docx .fc-sheet{border-top:12px solid color-mix(in srgb,var(--fmt) 75%,#fff);border-radius:3px 3px 0 0}.fc-docx .fc-sheet strong{font-family:Georgia,Songti SC,serif;font-size:12px;margin-bottom:4px}.fc-txt .fc-sheet{background:#ecebe6;font-family:ui-monospace,Consolas,monospace}.fc-txt .fc-sheet strong{font-size:10px;font-weight:500;font-family:inherit}.fc-txt .fc-sheet>i{height:3px}.fc-md .fc-sheet{background:#16191c;color:#cfd6cf;width:70%;gap:7px;font-family:ui-monospace,Consolas,monospace;box-shadow:0 16px 34px -12px #000c,0 0 0 1px #ffffff14 inset}.fc-md p{margin:0;display:flex;align-items:center;gap:6px;font-size:10px;line-height:1.3}.fc-md p strong{font-size:10.5px;font-weight:600;color:#e8eee8;font-family:inherit}.fc-md u{text-decoration:none;color:var(--fmt)}.fc-md s{text-decoration:none;color:#8a928a}.fc-md i{display:block;height:4px;border-radius:3px;background:#fff2}.fc-pptx .fc-slide{position:relative;width:78%;aspect-ratio:16 / 10;padding:11px 13px;display:flex;flex-direction:column;gap:5px;border-radius:7px;color:#fff;background:linear-gradient(135deg,color-mix(in srgb,var(--fmt) 70%,#1b1b1b),color-mix(in srgb,var(--fmt) 30%,#111));box-shadow:0 16px 34px -12px #000c,0 0 0 1px #ffffff1a inset;transition:transform .7s var(--ease)}.k-card:hover .fc-slide{transform:scale(1.05)}.fc-pptx .fc-slide strong{font-size:12px}.fc-pptx .fc-slide>i{display:block;height:3px;width:44%;border-radius:3px;background:#fff5}.fc-pptx .fc-slide>i+i{width:30%}.fc-pptx .fc-slide>span{margin-top:auto;display:flex;gap:4px}.fc-pptx .fc-slide>span b{width:16px;height:10px;border-radius:2px;background:#ffffff30}.fc-pptx .fc-slide>em{position:absolute;right:9px;bottom:7px;font-style:normal;font-size:8px;opacity:.7}.fc-xlsx .fc-sheet{width:74%;background:#eef2ee;gap:8px}.fc-cells{display:grid;grid-template-columns:repeat(5,1fr);gap:3px}.fc-cells i{height:11px;border-radius:2px;background:#2c2a2614}.fc-cells i[data-h=true]{background:color-mix(in srgb,var(--fmt) 55%,#eef2ee)}.fc-cells i[data-on=true]{background:color-mix(in srgb,var(--fmt) 30%,#eef2ee)}.k-tile{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;border-radius:10px;font-size:10px;font-weight:600;letter-spacing:.02em;color:var(--fmt);background:color-mix(in srgb,var(--fmt) 14%,transparent);transition:opacity .2s,transform .3s var(--ease)}.k-tile.is-small{width:30px;height:30px;border-radius:9px;font-size:9px}.k-tile svg{width:15px;height:15px}.k-kind{color:var(--fmt, var(--secondary))}.k-check{display:grid;place-items:center;width:19px;height:19px;border-radius:6px;color:transparent!important;box-shadow:0 0 0 1.5px var(--line-strong) inset;background:var(--surface);transition:background .2s,box-shadow .2s,color .2s,opacity .2s,transform .3s var(--ease)}.k-check[data-on=true]{color:var(--button-ink)!important;background:var(--button);box-shadow:none}.k-card .k-check{position:absolute;top:9px;left:9px;opacity:0;transform:scale(.8);background:#000a;box-shadow:0 0 0 1.5px #fff6 inset;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.k-card:hover .k-check,.k-card[data-selecting=true] .k-check,.k-card:focus-within .k-check{opacity:1;transform:none}.k-card .k-check[data-on=true]{background:var(--button)}.k-card[data-selected=true] .k-thumb{box-shadow:0 0 0 2px var(--text) inset!important}.k-more{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;color:var(--secondary)!important;transition:background .2s,color .2s}.k-more:hover,.k-more[aria-expanded=true]{background:var(--hover);color:var(--text)!important}.k-card-actions .k-more{color:#fff!important;background:#000a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.k-card-actions .k-more:hover{background:#000d}.k-card-actions .k-pop-wrap{position:relative}.k-card-actions .k-pop{z-index:30}.k-pop-item.is-danger{color:var(--danger)}.k-pop-item.is-danger svg{color:var(--danger)}.k-card-meta strong{word-break:break-word;overflow-wrap:anywhere}.k-card-meta small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.k-rename{width:100%;padding:3px 6px;margin:-3px -6px;border:0;border-radius:7px;font-size:13px;background:var(--hover);box-shadow:0 0 0 1px var(--secondary) inset}.k-rows{container-type:inline-size;display:flex;flex-direction:column}.k-row{position:relative;display:grid;grid-template-columns:38px minmax(0,1fr) 86px 72px 86px 40px;align-items:center;gap:12px;min-height:52px;padding:0 8px;border-radius:12px;cursor:pointer;transition:background .18s}.k-row+.k-row:not(.k-row-head){box-shadow:0 -1px color-mix(in srgb,var(--line) 70%,transparent)}.k-row:hover:not(.k-row-head),.k-row[data-selected=true]{background:var(--soft);box-shadow:none}.k-row:hover+.k-row,.k-row[data-selected=true]+.k-row{box-shadow:none}.k-row-head{position:sticky;top:40px;z-index:3;min-height:30px;cursor:default;font-size:11px;color:var(--muted);background:var(--surface)}.k-row-lead{position:relative;display:grid;place-items:center;width:30px;height:30px}.k-row-lead .k-check{position:absolute;top:5.5px;right:5.5px;bottom:5.5px;left:5.5px;opacity:0;transform:scale(.8)}.k-row:hover .k-row-lead .k-tile,.k-row[data-selecting=true] .k-row-lead .k-tile{opacity:0;transform:scale(.8)}.k-row:hover .k-row-lead .k-check,.k-row[data-selecting=true] .k-row-lead .k-check{opacity:1;transform:none}.k-row-title{display:flex;align-items:center;gap:8px;min-width:0;font-size:13.5px}.k-row-title>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.k-row-saved{color:var(--apricot);flex-shrink:0}.k-cell{font-size:12px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.k-cell-fmt .k-kind{font-size:11.5px}.k-row-actions{display:flex;justify-content:flex-end;opacity:0;transition:opacity .2s}.k-row:hover .k-row-actions,.k-row:focus-within .k-row-actions,.k-row-actions:has([aria-expanded=true]){opacity:1}.k-rows[data-dense=true] .k-row{min-height:36px;gap:10px;border-radius:8px}.k-rows[data-dense=true] .k-tile.is-small{width:24px;height:24px;border-radius:7px;font-size:8px}.k-rows[data-dense=true] .k-row-lead{width:24px;height:24px}.k-rows[data-dense=true] .k-row-lead .k-check{top:2.5px;right:2.5px;bottom:2.5px;left:2.5px}.k-rows[data-dense=true] .k-row-title{font-size:13px}.k-processing-row{color:var(--muted)}.k-processing-row .k-tile{background:var(--hover);animation:k-shimmer 1.4s linear infinite}@container (max-width: 520px){.k-row{grid-template-columns:38px minmax(0,1fr) 40px}.k-row>.k-cell{display:none}.k-row-head>span:nth-child(n+3){display:none}}@container (min-width: 521px) and (max-width: 640px){.k-row{grid-template-columns:38px minmax(0,1fr) 80px 78px 40px}.k-cell-pages{display:none}.k-row-head>span:nth-child(4){display:none}}.k-row .k-pop-wrap{position:relative}.k-row .k-pop{z-index:30}.k-bulk{position:fixed;left:50%;bottom:28px;z-index:40;display:flex;align-items:center;gap:2px;padding:6px 8px 6px 14px;border-radius:999px;font-size:12.5px;background:color-mix(in srgb,var(--raised) 86%,transparent);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);box-shadow:0 20px 50px -16px #000d,0 0 0 1px var(--line-strong);transform:translate(-50%);animation:k-bulk .4s var(--ease) both}@keyframes k-bulk{0%{opacity:0;transform:translate(-50%,14px) scale(.96)}to{opacity:1;transform:translate(-50%)}}.k-bulk>span{margin-right:6px;font-variant-numeric:tabular-nums}.k-bulk>i{width:1px;height:16px;margin:0 6px;background:var(--line-strong)}.k-bulk button{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px;border-radius:999px;color:var(--secondary)!important;transition:background .2s,color .2s}.k-bulk button:hover{background:var(--hover);color:var(--text)!important}.k-bulk .is-danger[data-confirm=true]{color:#fff!important;background:#b5484a}.k-bulk .k-bulk-x{padding:0;width:30px;justify-content:center}@media(max-width:899px){.k-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px}.k-thumb{height:104px}.k-drop{min-height:150px}.k-browser-bar{margin:0 -16px 12px;padding:4px 16px 8px;flex-wrap:wrap}}:root{--plum: #b9a9d6;--danger: #e19a9a;--k-radius: 18px;--k-ring: 0 0 0 1px var(--line) inset}:root[data-theme=light]{--plum: #7a62a8;--danger: #b45c5c}@keyframes k-fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes k-rise{0%{opacity:0;transform:translateY(10px);filter:blur(4px)}to{opacity:1;transform:none;filter:none}}@keyframes k-pop{0%{opacity:0;transform:translateY(-4px) scale(.98)}to{opacity:1;transform:none}}@keyframes k-pop-up{0%{opacity:0;transform:translateY(4px) scale(.98)}to{opacity:1;transform:none}}@keyframes k-tab-in{0%{opacity:0;transform:translateY(5px) scale(.94)}to{opacity:1;transform:none}}@keyframes k-shimmer{0%{background-position:120% 0}to{background-position:-120% 0}}@keyframes k-mark{0%{background-color:transparent}30%{background-color:color-mix(in srgb,var(--apricot) 55%,transparent)}to{background-color:color-mix(in srgb,var(--apricot) 26%,transparent)}}.k-desk{--k-gap: 8px;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:transparent;color:var(--text);font-size:14px}.k-desk button{color:inherit}.k-bar{flex:0 0 52px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 14px 0 18px;gap:12px}.k-bar-left,.k-bar-right{display:flex;align-items:center;gap:4px;min-width:0}.k-bar-right{justify-content:flex-end}.k-brand{font-size:19px;font-weight:700;letter-spacing:-.055em;padding:4px 6px;border-radius:8px;transition:opacity .2s}.k-brand:hover{opacity:.65}.k-slash{color:var(--line-strong);font-size:18px;font-weight:300;margin:0 2px}.k-space{display:inline-flex;align-items:center;gap:6px;max-width:280px;height:32px;padding:0 10px;border-radius:9px;font-weight:500;font-size:13.5px;transition:background .2s}.k-space span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.k-space svg{color:var(--muted);transition:transform .25s var(--ease)}.k-space[aria-expanded=true] svg{transform:rotate(180deg)}.k-space:hover,.k-space[aria-expanded=true]{background:var(--hover)}.k-bar-btn{display:inline-flex;align-items:center;gap:10px;height:32px;padding:0 8px 0 11px;border-radius:9px;color:var(--muted)!important;transition:background .2s,color .2s}.k-bar-btn:hover{background:var(--hover);color:var(--text)!important}.k-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;color:var(--muted)!important;transition:background .2s,color .2s}.k-icon:hover{background:var(--hover);color:var(--text)!important}.k-kbd{font:500 10.5px/1 inherit;padding:4px 6px;border-radius:6px;color:var(--muted);background:var(--soft);box-shadow:var(--k-ring)}.k-seg{position:relative;display:inline-flex;padding:3px;border-radius:11px;background:var(--soft);box-shadow:var(--k-ring)}.k-seg-thumb{position:absolute;top:3px;bottom:3px;left:0;border-radius:8px;background:var(--raised);box-shadow:0 1px 2px #0003,0 0 0 1px var(--line-strong)}.k-seg[data-ready=true] .k-seg-thumb{transition:transform .42s var(--ease),width .42s var(--ease)}.k-seg button{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;height:28px;padding:0 13px;border-radius:8px;font-size:12.5px;color:var(--muted)!important;transition:color .25s}.k-seg button:hover,.k-seg button[aria-checked=true]{color:var(--text)!important}.k-seg button small{font-size:11px;opacity:.7;font-variant-numeric:tabular-nums}.k-seg-sm button{height:26px;padding:0 11px}.k-pop-wrap{position:relative;display:inline-flex}.k-pop,.k-menu{z-index:60;min-width:232px;padding:6px;border-radius:14px;background:var(--raised);box-shadow:var(--shadow),0 0 0 1px var(--line-strong)}.k-pop{position:absolute}.k-pop-bottom{top:calc(100% + 8px);animation:k-pop .18s var(--ease)}.k-pop-top{bottom:calc(100% + 8px);animation:k-pop-up .18s var(--ease)}.k-pop-start{left:0}.k-pop-end{right:0}.k-pop-item,.k-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:9px;font-size:13px;text-align:left;color:var(--text);transition:background .15s}.k-pop-item:hover,.k-menu button[data-active=true],.k-pop-item[data-current=true]{background:var(--hover)}.k-pop-item small,.k-menu button small{margin-left:auto;padding-left:14px;font-size:11.5px;color:var(--muted);white-space:nowrap}.k-pop-item svg{color:var(--secondary)}.k-pop-sep{height:1px;margin:5px 4px;background:var(--line)}.k-body{flex:1;min-height:0;display:grid;padding:0 8px 8px;transition:grid-template-columns .55s var(--ease)}.k-desk[data-dragging=true] .k-body{transition:none;-webkit-user-select:none;user-select:none;cursor:col-resize}.k-panel{position:relative;min-width:0;min-height:0;overflow:hidden;border-radius:var(--k-radius);background:color-mix(in srgb,var(--surface) 58%,transparent);-webkit-backdrop-filter:blur(34px) saturate(1.4);backdrop-filter:blur(34px) saturate(1.4);box-shadow:var(--k-ring),0 24px 60px -40px #0008;animation:k-fade .5s var(--ease) both;transition:opacity .35s var(--ease),visibility 0s}.k-panel-stage{animation-delay:.06s}.k-desk[data-mode=chat] .k-panel-stage,.k-desk[data-mode=stage] .k-panel-chat{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s,visibility 0s .55s}.k-splitter{position:relative;cursor:col-resize;touch-action:none;outline:none}.k-splitter i{position:absolute;top:50%;left:50%;width:3px;height:40px;border-radius:3px;background:var(--secondary);opacity:0;transform:translate(-50%,-50%) scaleY(.6);transition:opacity .2s,transform .3s var(--ease)}.k-splitter:hover i,.k-splitter:focus-visible i,.k-desk[data-dragging=true] .k-splitter i{opacity:.55;transform:translate(-50%,-50%)}.k-desk:not([data-mode=split]) .k-splitter{pointer-events:none}.k-chat{height:100%;min-width:400px;display:flex;flex-direction:column}.k-thread{flex:1;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent}.k-messages{width:100%;max-width:740px;margin:0 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