:root{--brand:#1f3a5f;--brand-ink:#fff;--accent:#c9a227;--bg:#fff;--bg-soft:#f7f7f5;--bg-hover:#efefec;--bg-active:#e8e8e4;--line:#e4e4e0;--line-strong:#cfcfc9;--ink:#1d1d1b;--ink-2:#4a4a46;--ink-3:#7a7a74;--ok:#2e7d4f;--ok-bg:#e7f4ec;--warn:#9a6700;--warn-bg:#fff4d6;--danger:#b42318;--danger-bg:#fdeceb;--info-bg:#eef3fa;--radius:10px;--radius-sm:7px;--shadow:0 1px 2px #0000000d, 0 4px 16px #0000000f;--shadow-lg:0 10px 40px #0000002e;--serif:"Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sidebar-w:248px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#17181a;--bg-soft:#1e2023;--bg-hover:#26292d;--bg-active:#2d3136;--line:#2f3338;--line-strong:#3d424a;--ink:#ececea;--ink-2:#bdbdb8;--ink-3:#8b8b86;--ok-bg:#16301f;--warn-bg:#3a2e0c;--danger-bg:#3d1a17;--info-bg:#1b2636;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}h1,h2,h3,h4{letter-spacing:-.01em;margin:0;font-weight:600}h1{font-size:22px}h2{font-size:17px}h3{font-size:15px}a{color:var(--brand)}:root[data-theme=dark] a{color:#8db4e8}button,input,select,textarea{font:inherit;color:inherit}hr{border:0;border-top:1px solid var(--line);margin:16px 0}.serif{font-family:var(--serif)}.mono{font-family:var(--mono);font-size:12.5px}.muted{color:var(--ink-3)}.small{font-size:12.5px}.nowrap{white-space:nowrap}.ellipsis{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.right{text-align:right}.app{height:100%;display:flex}.sidebar{width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:var(--bg-soft);border-right:1px solid var(--line);flex-direction:column;min-height:0;display:flex}.sidebar.collapsed{flex-basis:60px;width:60px}.main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.topbar{border-bottom:1px solid var(--line);flex:0 0 52px;align-items:center;gap:8px;height:52px;padding:0 18px;display:flex}.topbar .crumbs{color:var(--ink-3);align-items:center;gap:6px;min-width:0;font-size:13px;display:flex}.topbar .crumbs b{color:var(--ink);font-weight:600}.content{flex:1;min-height:0;overflow:auto}.page{max-width:1180px;margin:0 auto;padding:26px 28px 60px}.page.wide{max-width:none}.page-header{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.page-header h1{flex:1;min-width:200px}.page-header p{width:100%;color:var(--ink-3);margin:2px 0 0}.section{margin-bottom:26px}.section>h2,.section>h3{margin-bottom:10px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.row.nowrap{flex-wrap:nowrap}.col{flex-direction:column;gap:10px;display:flex}.spacer{flex:1}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}@media (width<=1000px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=700px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.page{padding:18px 14px 40px}.sidebar{z-index:30;height:100%;transition:transform .2s;position:fixed;transform:translate(-100%)}.sidebar.open{transform:none}}.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.card.soft{background:var(--bg-soft)}.card.click{cursor:pointer;transition:border-color .15s,box-shadow .15s}.card.click:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}.card-title{align-items:center;gap:8px;margin-bottom:8px;font-weight:600;display:flex}.stat{flex-direction:column;gap:2px;display:flex}.stat .num{font-size:26px;font-weight:600;font-family:var(--serif)}.stat .lbl{color:var(--ink-3);font-size:12.5px}.btn{border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--bg);cursor:pointer;white-space:nowrap;justify-content:center;align-items:center;gap:6px;height:34px;padding:0 13px;font-weight:500;transition:background .12s,border-color .12s;display:inline-flex}.btn:hover{background:var(--bg-hover)}.btn:disabled{opacity:.5;cursor:default}.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}.btn.primary:hover{filter:brightness(1.1)}.btn.ghost{background:0 0;border-color:#0000}.btn.ghost:hover{background:var(--bg-hover)}.btn.danger{color:var(--danger);border-color:color-mix(in srgb, var(--danger) 40%, transparent)}.btn.danger:hover{background:var(--danger-bg)}.btn.small{height:28px;padding:0 9px;font-size:12.5px}.btn.icon{width:34px;padding:0}.btn.small.icon{width:28px}.btn.active{background:var(--bg-active)}.input,.select,.textarea{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg);outline:none;width:100%;padding:7px 10px;transition:border-color .12s,box-shadow .12s}.input,.select{height:34px}.textarea{resize:vertical;min-height:90px;line-height:1.5}.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent)}.label{color:var(--ink-2);flex-direction:column;gap:5px;font-size:12.5px;font-weight:500;display:flex}.label>.input,.label>.select,.label>.textarea{color:var(--ink);font-size:14px;font-weight:400}.checkbox{cursor:pointer;align-items:flex-start;gap:8px;display:inline-flex}.checkbox input{margin-top:3px}.form{flex-direction:column;gap:14px;display:flex}.badge{background:var(--bg-active);height:21px;color:var(--ink-2);white-space:nowrap;border-radius:99px;align-items:center;gap:4px;padding:0 8px;font-size:11.5px;font-weight:600;display:inline-flex}.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.danger{background:var(--danger-bg);color:var(--danger)}.badge.brand{background:color-mix(in srgb, var(--brand) 14%, transparent);color:var(--brand)}.notice{border-radius:var(--radius-sm);background:var(--info-bg);color:var(--ink-2);align-items:flex-start;gap:8px;padding:10px 12px;font-size:13px;display:flex}.notice.warn{background:var(--warn-bg);color:var(--warn)}.notice.danger{background:var(--danger-bg);color:var(--danger)}.notice.ok{background:var(--ok-bg);color:var(--ok)}.empty{text-align:center;color:var(--ink-3);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:40px 20px}.empty h3{color:var(--ink-2);margin-bottom:6px}.kbd{font-family:var(--mono);border:1px solid var(--line-strong);color:var(--ink-3);border-bottom-width:2px;border-radius:4px;padding:0 4px;font-size:11px}.table{border-collapse:collapse;width:100%;font-size:13.5px}.table th{text-align:left;color:var(--ink-3);text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);background:var(--bg-soft);z-index:1;padding:8px 10px;font-size:12px;font-weight:600;position:sticky;top:0}.table td{border-bottom:1px solid var(--line);vertical-align:top;padding:9px 10px}.table tr.click{cursor:pointer}.table tr.click:hover td{background:var(--bg-soft)}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:auto}.list{flex-direction:column;display:flex}.list-item{border-radius:var(--radius-sm);cursor:pointer;align-items:center;gap:10px;min-width:0;padding:9px 10px;display:flex}.list-item:hover{background:var(--bg-hover)}.list-item.active{background:var(--bg-active)}.tabs{border-bottom:1px solid var(--line);gap:2px;margin-bottom:18px;display:flex;overflow-x:auto}.tab{cursor:pointer;color:var(--ink-3);white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:6px;margin-bottom:-1px;padding:9px 13px;font-weight:500;display:inline-flex}.tab:hover{color:var(--ink)}.tab.active{color:var(--ink);border-bottom-color:var(--brand)}.sb-head{align-items:center;gap:8px;padding:14px 14px 8px;display:flex}.sb-logo{letter-spacing:-.01em;flex:1;align-items:center;gap:9px;min-width:0;font-size:16px;font-weight:700;display:flex}.sb-logo .mark{background:var(--brand);color:#fff;width:26px;height:26px;font-family:var(--serif);border-radius:7px;flex:0 0 26px;place-items:center;font-size:16px;display:grid;overflow:hidden}.sb-logo .mark img{object-fit:cover;width:100%;height:100%}.sb-search{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg);height:32px;color:var(--ink-3);cursor:pointer;align-items:center;gap:8px;margin:6px 12px 8px;padding:0 10px;font-size:13px;display:flex}.sb-scroll{flex:1;min-height:0;padding:4px 8px 10px;overflow-y:auto}.sb-section{text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);align-items:center;padding:14px 8px 5px;font-size:11px;font-weight:600;display:flex}.sb-item{border-radius:var(--radius-sm);color:var(--ink-2);cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:9px;width:100%;min-width:0;padding:6px 8px;font-size:13.5px;text-decoration:none;display:flex}.sb-item:hover{background:var(--bg-hover);color:var(--ink)}.sb-item.active{background:var(--bg-active);color:var(--ink);font-weight:600}.sb-item .lbl{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.sb-item.sub{padding-left:30px;font-size:13px}.sb-dot{border-radius:3px;flex:0 0 10px;width:10px;height:10px}.sb-foot{border-top:1px solid var(--line);padding:8px}.avatar{background:var(--brand);color:#fff;border-radius:50%;flex:0 0 28px;place-items:center;width:28px;height:28px;font-size:11.5px;font-weight:700;display:grid}.modal-backdrop{z-index:100;background:#0f12166b;place-items:center;padding:20px;animation:.12s fade;display:grid;position:fixed;inset:0}.modal{background:var(--bg);box-shadow:var(--shadow-lg);border-radius:14px;flex-direction:column;width:min(560px,100%);max-height:calc(100vh - 40px);display:flex}.modal.wide{width:min(980px,100%)}.modal-head{align-items:center;gap:10px;padding:14px 16px 10px 20px;display:flex}.modal-head h2{flex:1}.modal-body{padding:4px 20px 18px;overflow:auto}.modal-foot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:12px 20px;display:flex}.toast-host{z-index:200;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:18px;right:18px}.toast{background:var(--ink);color:var(--bg);box-shadow:var(--shadow-lg);border-radius:9px;max-width:380px;padding:10px 14px;font-size:13.5px;animation:.15s fade}.toast.ok{background:var(--ok);color:#fff}.toast.error{background:var(--danger);color:#fff}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.hero{flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 160px);padding:30px 20px;display:flex}.hero h1{font-family:var(--serif);text-align:center;margin-bottom:26px;font-size:34px;font-weight:400;line-height:1.25}.hero h1 .name{color:var(--ink-3)}.composer{border:1px solid var(--line-strong);background:var(--bg);width:min(760px,100%);box-shadow:var(--shadow);border-radius:14px;padding:10px 10px 8px;transition:border-color .15s}.composer:focus-within{border-color:var(--brand)}.composer.drag{border-color:var(--brand);background:var(--info-bg)}.composer textarea{resize:none;background:0 0;border:0;outline:none;width:100%;min-height:52px;max-height:300px;padding:6px 8px;font-size:15px;line-height:1.5}.composer .bar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:7px;align-items:center;gap:5px;max-width:260px;height:26px;padding:0 8px;font-size:12.5px;display:inline-flex}.chip button{cursor:pointer;color:var(--ink-3);background:0 0;border:0;padding:0;display:inline-flex}.chips{flex-wrap:wrap;gap:6px;padding:0 6px 6px;display:flex}.toggle{border:1px solid var(--line);background:var(--bg);cursor:pointer;height:28px;color:var(--ink-2);border-radius:7px;align-items:center;gap:5px;padding:0 9px;font-size:12.5px;display:inline-flex}.toggle.on{background:color-mix(in srgb, var(--brand) 12%, transparent);border-color:color-mix(in srgb, var(--brand) 45%, transparent);color:var(--brand)}:root[data-theme=dark] .toggle.on{color:#8db4e8}.send{background:var(--brand);color:#fff;cursor:pointer;border:0;border-radius:9px;place-items:center;width:32px;height:32px;display:grid}.send:disabled{background:var(--line-strong);cursor:default}.mention-pop{background:var(--bg);border:1px solid var(--line-strong);width:380px;max-height:300px;box-shadow:var(--shadow-lg);z-index:20;border-radius:10px;margin-bottom:6px;padding:6px;position:absolute;bottom:100%;left:0;overflow:auto}.suggestions{flex-wrap:wrap;justify-content:center;gap:8px;width:min(760px,100%);margin-top:18px;display:flex}.suggestions .btn{height:auto;color:var(--ink-2);border-radius:99px;padding:7px 12px;font-weight:400}.disclaimer{color:var(--ink-3);text-align:center;padding:8px;font-size:11.5px}.thread{flex-direction:column;gap:22px;width:min(820px,100%);margin:0 auto;padding:24px 20px 10px;display:flex}.msg-user{background:var(--bg-soft);border:1px solid var(--line);white-space:pre-wrap;border-radius:14px 14px 4px;align-self:flex-end;max-width:85%;padding:10px 14px}.msg-ai{flex-direction:column;gap:8px;display:flex}.msg-ai .meta{color:var(--ink-3);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.msg-actions{flex-wrap:wrap;gap:2px;display:flex}.ai-label{color:var(--warn);background:var(--warn-bg);border-radius:5px;padding:1px 6px;font-size:11px;font-weight:600}.sources{flex-direction:column;gap:6px;display:flex}.source{border:1px solid var(--line);background:var(--bg-soft);border-radius:8px;padding:8px 10px;font-size:12.5px}.source b{font-size:12px}.cite{background:color-mix(in srgb, var(--brand) 14%, transparent);min-width:18px;height:18px;color:var(--brand);vertical-align:2px;cursor:pointer;border-radius:5px;place-items:center;margin:0 1px;padding:0 4px;font-size:11px;font-weight:700;text-decoration:none;display:inline-grid}.composer-dock{border-top:1px solid #0000;flex-direction:column;align-items:center;padding:10px 20px 4px;display:flex}.typing{gap:4px;padding:6px 0;display:inline-flex}.typing span{background:var(--ink-3);border-radius:50%;width:6px;height:6px;animation:1.2s infinite blink}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.prose{overflow-wrap:anywhere;font-size:14.5px;line-height:1.65}.prose>:first-child{margin-top:0}.prose h1,.prose h2,.prose h3{margin:18px 0 8px}.prose h1{font-size:19px}.prose h2{font-size:16.5px}.prose h3{font-size:15px}.prose p{margin:0 0 10px}.prose ul,.prose ol{margin:0 0 10px;padding-left:22px}.prose li{margin:2px 0}.prose blockquote{border-left:3px solid var(--line-strong);color:var(--ink-2);margin:10px 0;padding:4px 12px}.prose table{border-collapse:collapse;margin:10px 0;font-size:13.5px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:5px 9px}.prose th{background:var(--bg-soft)}.prose code{font-family:var(--mono);background:var(--bg-soft);border-radius:4px;padding:1px 4px;font-size:12.5px}.prose pre{background:var(--bg-soft);border-radius:8px;padding:10px;overflow:auto}.editor-shell{flex-direction:column;height:100%;min-height:0;display:flex}.editor-toolbar{border-bottom:1px solid var(--line);background:var(--bg);z-index:5;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 12px;display:flex;position:sticky;top:0}.editor-toolbar .sep{background:var(--line);width:1px;height:20px;margin:0 6px}.editor-body{background:var(--bg-soft);flex:1;min-height:0;padding:28px 16px 80px;overflow:auto}.paper{color:#111;width:min(794px,100%);min-height:1000px;box-shadow:var(--shadow);background:#fff;margin:0 auto;padding:72px 76px 72px 94px;font-family:Arial,Helvetica,sans-serif;font-size:11pt;line-height:1.5}.paper .ProseMirror{outline:none;min-height:800px}.paper .ProseMirror p{margin:0 0 8pt}.paper .ProseMirror h1{margin:14pt 0 8pt;font-size:15pt}.paper .ProseMirror h2{margin:12pt 0 6pt;font-size:13pt}.paper .ProseMirror h3{margin:10pt 0 5pt;font-size:11.5pt}.paper .ProseMirror table{border-collapse:collapse;width:100%;margin:8pt 0}.paper .ProseMirror td,.paper .ProseMirror th{vertical-align:top;border:1px solid #999;min-width:40px;padding:4px 6px}.paper .ProseMirror p.is-editor-empty:first-child:before{content:attr(data-placeholder);color:#aaa;float:left;pointer-events:none;height:0}.paper .ProseMirror mark{background:#fff2a8}.paper .ProseMirror .selectedCell{background:#e6efff}.side-panel{border-left:1px solid var(--line);background:var(--bg);flex-direction:column;flex:0 0 380px;width:380px;min-height:0;display:flex}.side-panel .sp-head{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:12px 14px;display:flex}.side-panel .sp-body{flex:1;min-height:0;padding:14px;overflow:auto}.diff-del{color:#8a1c13;background:#fde2e1;text-decoration:line-through}.diff-ins{color:#14532d;background:#dcf5e3}.progress{background:var(--bg-active);border-radius:99px;height:6px;overflow:hidden}.progress>div{background:var(--brand);border-radius:99px;height:100%;transition:width .3s}.bars{align-items:flex-end;gap:3px;height:90px;display:flex}.bars>div{background:color-mix(in srgb, var(--brand) 70%, transparent);border-radius:3px 3px 0 0;flex:1;min-height:2px;position:relative}.bars>div:hover{background:var(--brand)}.score{width:64px;height:64px;font-size:18px;font-weight:700;font-family:var(--serif);border-radius:50%;place-items:center;display:grid}.auth{background:var(--bg-soft);place-items:center;min-height:100%;padding:20px;display:grid}.auth-card{background:var(--bg);border:1px solid var(--line);width:min(430px,100%);box-shadow:var(--shadow);border-radius:16px;padding:30px}.auth-card h1{font-family:var(--serif);margin:14px 0 4px;font-size:26px;font-weight:400}.grid-table td.cell{min-width:180px;max-width:320px;font-size:13px}.grid-table td.cell.running{color:var(--ink-3)}.grid-table td.cell.err{color:var(--danger)}.dropzone{border:2px dashed var(--line-strong);border-radius:var(--radius);text-align:center;color:var(--ink-3);cursor:pointer;padding:22px;transition:border-color .15s,background .15s}.dropzone.drag,.dropzone:hover{border-color:var(--brand);background:var(--info-bg)}@media print{.sidebar,.topbar,.composer-dock,.msg-actions,.editor-toolbar,.side-panel{display:none!important}.editor-body{background:0 0;padding:0}.paper{box-shadow:none;padding:0}}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}