:root{--far-orange:#de5307;--far-orange-dark:#c14806;--far-navy:#191e28;--far-grey:#8f8f8c;--bg:#ffffff;--bg-raise:#fafafa;--bg-card:#ffffff;--line:#dcdfe4;--line-soft:#ecedf0;--text:var(--far-navy);--text-dim:#6f7480;--amber:var(--far-orange);--amber-soft:rgba(222,83,7,0.09);--green:#1e7e3e;--green-soft:rgba(30,126,62,0.1);--red:#c03a1c;--red-soft:rgba(192,58,28,0.09);--blue:#20508f;--mono:ui-monospace,"Cascadia Code",Consolas,monospace}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,system-ui,Roboto,sans-serif;font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select{font:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:236px;flex-shrink:0;background:var(--bg);border-right:1px solid var(--line-soft);padding:22px 16px;display:flex;flex-direction:column;gap:4px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{padding:2px 6px 20px}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-dim);font-weight:600;font-size:14px;transition:background .15s,color .15s}.nav-link:hover{background:var(--bg-raise);color:var(--text)}.nav-link.active{background:var(--amber-soft);color:var(--far-orange);box-shadow:inset 3px 0 0 var(--far-orange)}.sidebar-footer{margin-top:auto;padding:10px 12px;font-size:12px;color:var(--text-dim)}.badge-demo{display:inline-block;padding:2px 8px;border-radius:20px;background:var(--amber-soft);color:var(--far-orange);font-size:11px;font-weight:700;letter-spacing:.4px}.main{flex:1 1;background:var(--bg);min-width:0;padding:40px clamp(28px,4vw,72px) 48px}.main-inner{width:100%;max-width:1480px;margin:0 auto}.page-title{font-size:24px;font-weight:800;letter-spacing:-.4px;color:var(--far-navy)}.page-sub{color:var(--text-dim);margin:6px 0 26px}.searchbar{display:flex;gap:10px;margin-bottom:24px}.searchbar input{flex:1 1;padding:13px 18px;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:12px;outline:none;transition:border-color .15s,box-shadow .15s}.searchbar input:focus{border-color:var(--far-orange);box-shadow:0 0 0 3px var(--amber-soft)}.btn{padding:12px 22px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font-weight:600;transition:transform .1s,background .15s,border-color .15s}.btn:hover{border-color:var(--far-orange);color:var(--far-orange)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--far-orange);color:#ffffff;border-color:var(--far-orange)}.btn-primary:hover{background:var(--far-orange-dark);color:#ffffff}.btn[disabled]{opacity:.5;cursor:default}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover{border-color:var(--line);color:var(--text)}.confirm-box{margin-top:14px;padding:14px 16px;border-radius:12px;border:1px solid var(--amber);background:var(--amber-soft);display:flex;flex-direction:column;gap:12px}.confirm-text{color:var(--text);font-size:.95rem;line-height:1.5}.confirm-actions{display:flex;gap:10px}.confirm-actions .btn{padding:9px 18px}.app-loading{padding:48px;color:var(--muted)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}.login-card{width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px;padding:36px 32px;border:1px solid var(--line);border-radius:18px;background:var(--panel,#fff);box-shadow:0 12px 40px rgba(0,0,0,.06)}.login-brand{display:flex;justify-content:center;margin-bottom:4px}.login-title{font-size:1.4rem;font-weight:700;text-align:center;margin:0}.login-sub{text-align:center;color:var(--muted);font-size:.9rem;margin:-6px 0 8px}.login-label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted);font-weight:600}.login-label input{padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:1rem;color:var(--text);background:var(--bg)}.login-label input:focus{border-color:var(--far-orange);box-shadow:0 0 0 3px var(--amber-soft);outline:none}.login-error{color:#c0392b;font-size:.88rem}.login-card .btn-primary{margin-top:6px;padding:12px}.progress-box{display:flex;flex-direction:column;gap:5px;min-width:190px}.progress-label{display:flex;align-items:center;gap:7px;justify-content:flex-end;font-size:.82rem;font-weight:600;color:var(--far-orange);white-space:nowrap}.progress-track{height:6px;border-radius:3px;background:var(--line-soft);overflow:hidden}.progress-fill{height:100%;border-radius:3px;background:var(--far-orange);transition:width .6s ease}.progress-note{font-size:.72rem;color:var(--muted);text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:230px;margin-left:auto}.number-panel{margin-top:10px;padding:12px 14px;border-radius:10px;font-size:.85rem;display:flex;flex-direction:column;gap:6px}.number-panel-warn{border:1px solid #e0b4ae;background:#fdf3f2}.number-panel-info{border:1px solid var(--amber);background:var(--amber-soft)}.number-panel-title{font-weight:700;margin-bottom:2px}.number-row{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}.number-row code{background:rgba(0,0,0,.06);padding:1px 7px;border-radius:6px;font-size:.84rem;white-space:nowrap}.number-note{color:var(--muted)}.stop-btn{margin-left:auto;color:#c0392b;font-size:12px}.btn-danger:hover{border-color:#c0392b;color:#c0392b}.sidebar-user{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.sidebar-email{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-btn{background:none;border:none;color:var(--far-orange);font-size:12px;font-weight:600;cursor:pointer;padding:0}.link-btn:hover{text-decoration:underline}.card{background:var(--bg-card);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px;margin-bottom:14px;box-shadow:0 1px 2px rgba(25,30,40,.04);transition:border-color .15s,box-shadow .15s;animation:rise .25s ease both}.card:hover{border-color:var(--line);box-shadow:0 3px 10px rgba(25,30,40,.07)}@keyframes rise{0%{opacity:0;transform:translateY(6px)}}.card-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.card-no{font-family:var(--mono);font-size:12px;color:var(--far-orange);letter-spacing:.5px;font-weight:700}.card-title{font-weight:700;margin:6px 0 8px;font-size:15px;color:var(--far-navy)}.card-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--text-dim);font-size:13px}.card-meta b{color:var(--text);font-weight:700}.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}.pill-green{background:var(--green-soft);color:var(--green)}.pill-amber{background:var(--amber-soft);color:var(--far-orange)}.pill-red{background:var(--red-soft);color:var(--red)}.pill-dim{background:#f1f2f4;color:var(--text-dim)}.chat-grid{display:grid;grid-template-columns:320px 1fr;grid-gap:32px;gap:32px;min-height:calc(100vh - 180px)}.threads-col{border-right:1px solid var(--line-soft);padding-right:22px;min-width:0}.project-item{padding:10px 12px;border:1px solid var(--line-soft);border-radius:10px;margin-bottom:8px;cursor:pointer;transition:border-color .15s,background .15s}.project-item:hover{border-color:var(--line);background:var(--bg-raise)}.project-item.active{border-color:rgba(222,83,7,.45);background:var(--amber-soft)}.project-item-title{font-size:12.5px;font-weight:700;color:var(--far-navy);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.project-item.active .project-item-title{color:var(--far-orange-dark)}.project-item-meta{font-size:11px;color:var(--text-dim);margin-top:3px;font-family:var(--mono)}.old-threads{margin-top:18px}.old-threads summary{font-size:12px}.old-threads summary,.thread-item{color:var(--text-dim);cursor:pointer}.thread-item{padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background .15s}.thread-item:hover{background:var(--bg-raise)}.thread-item.active{background:var(--amber-soft);color:var(--far-orange)}.chat-col{display:flex;flex-direction:column}.messages{flex:1 1;overflow-y:auto;padding-bottom:20px;display:flex;flex-direction:column;gap:16px}.msg{max-width:min(85%,940px);animation:rise .2s ease both}.msg-user{align-self:flex-end}.msg-user .msg-bubble{background:var(--amber-soft);border:1px solid rgba(222,83,7,.25);color:var(--text);border-radius:14px 14px 4px 14px}.msg-assistant .msg-bubble{background:var(--bg-raise);border:1px solid var(--line-soft);border-radius:14px 14px 14px 4px}.msg-bubble{padding:13px 16px;white-space:pre-wrap}.msg-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.cite-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:8px;font-size:12px;font-weight:700;background:#ffffff;border:1px solid var(--line);color:var(--far-navy);transition:border-color .15s,color .15s}.cite-chip:hover{border-color:var(--far-orange);color:var(--far-orange)}.cite-inline{color:var(--far-orange);font-weight:700;font-size:.92em;text-decoration:underline;-webkit-text-decoration-style:dotted;text-decoration-style:dotted;text-underline-offset:3px;white-space:nowrap}.cite-inline:hover{color:var(--far-orange-dark)}.cite-wrap{position:relative;display:inline-block}.cite-pop{display:none;position:absolute;bottom:calc(100% + 8px);left:0;width:360px;max-width:70vw;z-index:30;background:#ffffff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:0 8px 28px rgba(25,30,40,.16);font-size:12.5px;font-weight:400;line-height:1.5;color:var(--text);white-space:normal}.cite-wrap:hover .cite-pop{display:block}.cite-pop mark{background:rgba(222,83,7,.14);color:var(--far-navy);text-decoration:underline;-webkit-text-decoration-color:var(--far-orange);text-decoration-color:var(--far-orange);text-underline-offset:3px;padding:1px 2px;border-radius:3px}.cite-pop-src{display:block;margin-top:8px;font-size:11px;font-weight:700}.cite-pop-src,.trace{color:var(--text-dim);font-family:var(--mono)}.trace{margin-top:10px;font-size:11.5px;background:var(--bg-raise);border:1px solid var(--line-soft);border-radius:10px;padding:10px 14px}.trace summary{cursor:pointer;color:var(--text-dim);font-family:inherit}.trace div{padding:2px 0 2px 14px}.review-banner{margin-top:10px;padding:10px 14px;border-radius:10px;background:var(--amber-soft);border:1px solid rgba(222,83,7,.3);color:var(--far-orange-dark);font-size:13px;font-weight:700}.composer{display:flex;gap:10px;padding-top:16px;border-top:1px solid var(--line-soft);align-items:flex-end}.composer textarea{flex:1 1;resize:none;min-height:52px;max-height:160px;padding:14px 16px;border-radius:12px;background:var(--bg);color:var(--text);border:1px solid var(--line);outline:none;transition:border-color .15s,box-shadow .15s}.composer textarea:focus{border-color:var(--far-orange);box-shadow:0 0 0 3px var(--amber-soft)}.effort-select{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.effort-select button{padding:8px 12px;background:var(--bg);color:var(--text-dim);border:none;font-size:12px;font-weight:700;border-right:1px solid var(--line-soft)}.effort-select button:last-child{border-right:none}.effort-select button.on{background:var(--far-orange);color:#ffffff}.status-line{display:flex;align-items:center;gap:10px;color:var(--text-dim);font-size:13px;padding:8px 2px}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--far-orange);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.empty{color:var(--text-dim);text-align:center;padding:60px 0}.section-label{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--far-grey);margin:26px 0 12px;font-weight:800}.doc-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px;color:var(--text-dim);border-bottom:1px dashed var(--line-soft)}.doc-row:last-child{border-bottom:none}.viewer-shell{display:flex;flex-direction:column;gap:12px}.viewer-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 14px;border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-raise)}.viewer-doc{font-weight:700;font-size:13.5px;color:var(--far-navy);flex:1 1;min-width:200px}.viewer-nav{display:flex;align-items:center;gap:8px}.viewer-nav .btn{padding:6px 12px}.viewer-pageinfo{color:var(--text-dim);white-space:nowrap}.viewer-pageinfo,.viewer-pageinput{font-family:var(--mono);font-size:12.5px}.viewer-pageinput{width:56px;padding:5px 6px;text-align:center;border:1px solid var(--line);border-radius:8px;color:var(--text);background:var(--bg);outline:none}.viewer-pageinput:focus{border-color:var(--far-orange);box-shadow:0 0 0 3px var(--amber-soft)}.viewer-pageinput::-webkit-inner-spin-button,.viewer-pageinput::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.viewer-quote{font-size:13px;color:var(--text);padding:8px 14px;border:1px solid rgba(222,83,7,.25);border-radius:10px;background:var(--amber-soft)}.viewer-quote mark{background:rgba(222,83,7,.18);color:var(--far-navy);text-decoration:underline;-webkit-text-decoration-color:var(--far-orange);text-decoration-color:var(--far-orange);text-underline-offset:3px;padding:1px 3px;border-radius:3px}.viewer-hits{color:var(--text-dim);font-size:12px}.viewer-canvas-wrap{border:1px solid var(--line);border-radius:12px;overflow:auto;background:#f4f5f7;padding:12px;display:flex;flex-direction:column;align-items:center;min-height:400px}.viewer-canvas{box-shadow:0 2px 14px rgba(25,30,40,.18);max-width:100%}