@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";
:root{--font:"Inter", system-ui, -apple-system, sans-serif;--bg:#f5f6fa;--surface:#fff;--surface-2:#fafbfd;--surface-3:#f1f3f9;--border:#e5e8f0;--border-2:#d4d9e6;--text:#16192b;--text-2:#5a6282;--text-3:#8a91ab;--primary:#5a5fe0;--primary-h:#4b50d4;--primary-l:#ecedfd;--on-primary:#fff;--green:#0f9d6e;--green-l:#e4f6ef;--red:#dc3a47;--red-l:#fdeaec;--amber:#c2810c;--amber-l:#fdf3e0;--purple:#7c4ddb;--purple-l:#f1eafd;--slate-l:#eef0f6;--shadow-sm:0 1px 2px #16192b0f;--shadow-md:0 4px 14px #16192b14;--shadow-lg:0 12px 32px #16192b1f;--sidebar-w:236px;--radius:12px;--radius-sm:8px;--radius-lg:16px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#0e1016;--surface:#171a23;--surface-2:#1d212c;--surface-3:#242936;--border:#ffffff14;--border-2:#ffffff24;--text:#eef0f7;--text-2:#9aa2bb;--text-3:#6b7391;--primary:#7d81ec;--primary-h:#9296f0;--primary-l:#7d81ec29;--green:#34d399;--green-l:#34d39924;--red:#f87171;--red-l:#f8717124;--amber:#fbbf24;--amber-l:#fbbf2424;--purple:#a78bfa;--purple-l:#a78bfa24;--slate-l:#ffffff0f;--shadow-sm:0 1px 2px #0006;--shadow-md:0 4px 14px #00000059;--shadow-lg:0 12px 32px #00000073;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.55}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{letter-spacing:-.01em;margin:0;font-weight:600}h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}.app-shell{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:40;flex-direction:column;flex-shrink:0;display:flex;position:fixed;inset:0 auto 0 0}.sidebar-brand{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:18px 18px 14px;display:flex}.brand-mark{background:linear-gradient(140deg, var(--primary), var(--purple));color:#fff;border-radius:9px;flex-shrink:0;place-items:center;width:32px;height:32px;font-size:14px;font-weight:700;display:grid}.brand-text strong{font-size:14px;line-height:1.2;display:block}.brand-text span{color:var(--text-3);font-size:11px}.sidebar-nav{flex:1;padding:14px 10px;overflow-y:auto}.nav-section{letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);padding:12px 8px 6px;font-size:10.5px;font-weight:600}.nav-item{border-radius:var(--radius-sm);color:var(--text-2);align-items:center;gap:10px;margin-bottom:2px;padding:8px 10px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background .12s,color .12s;display:flex}.nav-item:hover{background:var(--surface-3);color:var(--text);text-decoration:none}.nav-item.active{background:var(--primary-l);color:var(--primary);font-weight:600}.nav-item .count{background:var(--slate-l);color:var(--text-2);border-radius:10px;margin-left:auto;padding:1px 7px;font-size:11px;font-weight:600}.nav-item.active .count{background:var(--primary);color:#fff}.sidebar-footer{border-top:1px solid var(--border);padding:12px}.user-pill{border-radius:var(--radius-sm);background:var(--surface-3);align-items:center;gap:9px;padding:8px;display:flex}.avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;place-items:center;width:28px;height:28px;font-size:12px;font-weight:600;display:grid}.user-pill .who{flex:1;min-width:0}.user-pill .who b{white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;font-weight:600;display:block;overflow:hidden}.user-pill .who span{color:var(--text-3);font-size:10.5px}.icon-btn{cursor:pointer;color:var(--text-3);background:0 0;border:none;border-radius:6px;padding:5px;line-height:0;display:inline-flex}.icon-btn:hover{background:var(--border);color:var(--text)}.main-content{margin-left:var(--sidebar-w);flex:1;min-width:0}.page{max-width:1320px;padding:26px 30px 70px}.page-head{flex-wrap:wrap;align-items:flex-start;gap:16px;margin-bottom:22px;display:flex}.page-head .grow{flex:1;min-width:220px}.page-head 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);color:inherit;padding:16px;text-decoration:none;transition:transform .12s,box-shadow .12s,border-color .12s;display:block}.folder-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-2);text-decoration:none;transform:translateY(-2px)}.folder-card.active{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}.folder-icon{background:var(--primary-l);border-radius:9px;place-items:center;width:42px;height:36px;margin-bottom:12px;display:grid}.folder-card .name{font-size:14px;font-weight:600}.folder-card .meta{color:var(--text-3);margin-top:2px;font-size:12px}.table-wrap{overflow-x:auto}table.data{border-collapse:collapse;width:100%;font-size:13.5px}table.data th{text-align:left;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);border-bottom:1px solid var(--border);white-space:nowrap;padding:10px 12px;font-size:11px;font-weight:600}table.data td{border-bottom:1px solid var(--border);vertical-align:middle;padding:11px 12px}table.data tr:last-child td{border-bottom:none}table.data tbody tr:hover{background:var(--surface-2)}.doc-title{color:var(--text);font-weight:600}.doc-title:hover{color:var(--primary)}.doc-sub{color:var(--text-3);margin-top:1px;font-size:12px}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;display:flex}.input,.select,textarea.input{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-2);border-radius:var(--radius-sm);outline:none;padding:8px 11px;font-size:13.5px;transition:border-color .12s,box-shadow .12s}.input:focus,.select:focus,textarea.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}.input::placeholder{color:var(--text-3)}.search-input{flex:1;min-width:240px;max-width:420px}textarea.input{resize:vertical;min-height:76px;line-height:1.5}label.field{margin-bottom:14px;display:block}label.field>span{color:var(--text-2);margin-bottom:5px;font-size:12.5px;font-weight:600;display:block}label.field>.input,label.field>.select,label.field>textarea{width:100%}.btn{font:inherit;cursor:pointer;border-radius:var(--radius-sm);white-space:nowrap;border:1px solid #0000;align-items:center;gap:7px;padding:8px 14px;font-size:13.5px;font-weight:600;transition:background .12s,border-color .12s,opacity .12s;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:hover:not(:disabled){background:var(--primary-h)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-2)}.btn-secondary:hover:not(:disabled){background:var(--surface-3)}.btn-danger{background:var(--red-l);color:var(--red);border-color:#0000}.btn-danger:hover:not(:disabled){background:var(--red);color:#fff}.btn-sm{padding:5px 10px;font-size:12.5px}.badge{background:var(--slate-l);color:var(--text-2);white-space:nowrap;border-radius:20px;align-items:center;gap:5px;padding:2px 9px;font-size:11.5px;font-weight:600;display:inline-flex}.badge.green{background:var(--green-l);color:var(--green)}.badge.red{background:var(--red-l);color:var(--red)}.badge.amber{background:var(--amber-l);color:var(--amber)}.badge.purple{background:var(--purple-l);color:var(--purple)}.badge.primary{background:var(--primary-l);color:var(--primary)}.tag{background:var(--surface-3);color:var(--text-2);border:1px solid var(--border);cursor:pointer;border-radius:6px;margin:0 4px 4px 0;padding:2px 8px;font-size:11.5px;display:inline-block}.tag:hover{border-color:var(--primary);color:var(--primary)}.star{cursor:pointer;color:var(--text-3);background:0 0;border:none;border-radius:5px;padding:3px;line-height:0}.star:hover{background:var(--surface-3)}.star.on{color:var(--amber)}.tabs{border-bottom:1px solid var(--border);gap:2px;margin-bottom:18px;display:flex}.tab{cursor:pointer;font:inherit;color:var(--text-2);background:0 0;border:none;border-bottom:2px solid 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var(--border);background:var(--surface);align-items:center;gap:8px;padding:9px 12px;display:flex}.page-strip{border-top:1px solid var(--border);background:var(--surface);gap:6px;padding:9px 12px;display:flex;overflow-x:auto}.page-strip button{border:1px solid var(--border-2);background:var(--surface);cursor:pointer;min-width:30px;height:30px;color:var(--text-2);border-radius:6px;font-size:12px}.page-strip button.on{border-color:var(--primary);color:var(--primary);font-weight:700}dl.facts{grid-template-columns:auto 1fr;gap:7px 14px;margin:0;font-size:13px;display:grid}dl.facts dt{color:var(--text-3);white-space:nowrap;font-weight:500}dl.facts dd{margin:0}.link-row{border-bottom:1px solid var(--border);align-items:flex-start;gap:10px;padding:11px 0;display:flex}.link-row:last-child{border-bottom:none}.link-row .why{color:var(--text-2);margin-top:3px;font-size:12.5px}.link-row .ev{color:var(--text-3);margin-top:2px;font-size:11.5px;font-style:italic}.chat-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:18px;display:grid}.chat-main{flex-direction:column;min-height:calc(100vh - 150px);display:flex}.chat-scroll{flex:1;padding-right:4px;overflow-y:auto}.msg{margin-bottom:18px}.msg .who{letter-spacing:.05em;text-transform:uppercase;color:var(--text-3);margin-bottom:5px;font-size:11.5px;font-weight:700}.msg .bubble{border-radius:var(--radius);white-space:pre-wrap;overflow-wrap:anywhere;padding:13px 15px;font-size:14px;line-height:1.62}.msg.user .bubble{background:var(--primary-l);color:var(--text)}.msg.assistant .bubble{background:var(--surface);border:1px solid var(--border)}.msg .bubble.md{white-space:normal}.bubble.md>:first-child{margin-top:0}.bubble.md>:last-child{margin-bottom:0}.bubble.md p{margin:0 0 10px}.bubble.md h1,.bubble.md h2,.bubble.md h3,.bubble.md h4{margin:16px 0 6px;font-size:14.5px}.bubble.md ul,.bubble.md ol{margin:0 0 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10px;font-size:11.5px;font-weight:600;text-decoration:none;display:inline-flex}.cite-chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}.chat-composer{border-top:1px solid var(--border);align-items:flex-end;gap:10px;margin-top:10px;padding-top:14px;display:flex}.chat-composer textarea{flex:1;min-height:52px;max-height:190px}.thread-item{border-radius:var(--radius-sm);color:var(--text-2);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;width:100%;margin-bottom:3px;padding:9px 11px;font-family:inherit;font-size:13px;text-decoration:none;display:block}.thread-item:hover{background:var(--surface-3);text-decoration:none}.thread-item.active{background:var(--primary-l);color:var(--primary);font-weight:600}.login-page{background:var(--bg);place-items:center;min-height:100vh;padding:20px;display:grid}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:380px;box-shadow:var(--shadow-lg);padding:30px}.login-box .brand-mark{border-radius:12px;width:44px;height:44px;margin-bottom:16px;font-size:18px}@media (max-width:1000px){.detail-grid,.chat-layout{grid-template-columns:1fr}}@media (max-width:860px){.sidebar{box-shadow:var(--shadow-lg);transition:transform .2s;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.page{padding:16px 16px 70px}.mobile-topbar{background:var(--surface);border-bottom:1px solid var(--border);z-index:30;align-items:center;gap:10px;padding:11px 14px;display:flex;position:sticky;top:0}.drawer-overlay{z-index:35;background:#10121e73;position:fixed;inset:0}.search-input{max-width:none}}