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14px;font-size:13px;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.toast{bottom:64px}@media (max-width:640px){.tool-button span:not(.count){display:none}.tool-button{padding:0 7px}.reader-title{font-size:13px}}.dialog{border:1px solid var(--line);background:var(--surface);color:var(--text);width:min(92vw,480px);max-height:88dvh;box-shadow:var(--pop);border-radius:14px;padding:0}.dialog.wide{width:min(96vw,1180px)}.dialog::backdrop{background:#0a0a1473}.dialog-body{flex-direction:column;gap:14px;padding:20px;display:flex}.dialog-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.outcome{border-radius:8px;flex-direction:column;gap:6px;padding:10px 12px;font-size:13.5px;display:flex}.outcome p{margin:0}.outcome.good{background:var(--accent-soft)}.outcome.problem{background:var(--problem-soft);border-left:3px solid var(--problem)}.outcome-link{align-items:center;gap:4px;font-size:13px;display:inline-flex}.shortcuts{gap:6px;margin:0;display:grid}.shortcuts div{align-items:baseline;gap:12px;display:flex}.shortcuts dt{flex:none;width:96px}.shortcuts dd{color:var(--muted);margin:0}.figure-viewer{flex-direction:column;gap:12px;display:flex}.figure-head{align-items:center;gap:10px;display:flex}.figure-head h2{flex:1;margin:0;font-size:15px}.figure-head .link{align-items:center;gap:2px;min-height:0;display:inline-flex}.figure-actions{align-items:center;gap:6px;display:flex}.figure-frame{border:1px solid var(--line);background:var(--surface);border-radius:10px;width:100%;height:72dvh;display:block}.figure-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;max-height:72dvh;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.figure-card{text-align:left;border:1px solid var(--line);background:var(--surface-2);border-radius:10px;flex-direction:column;gap:8px;width:100%;min-height:0;padding:8px;display:flex}.figure-card:hover{border-color:var(--accent)}.figure-thumb{height:170px;color:var(--faint);background:#fff;border-radius:6px;justify-content:center;align-items:center;display:flex;overflow:hidden}.figure-thumb img{object-fit:contain;max-width:100%;max-height:100%}.figure-caption{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.chat-pane{background:var(--surface-2);flex-direction:column;height:100%;display:flex}.segmented{border:1px solid var(--line);text-transform:none;letter-spacing:0;border-radius:7px;gap:2px;padding:2px;display:inline-flex}.segment{color:var(--muted);border-radius:5px;padding:1px 8px;font-size:12px;font-weight:500}.segment.on{background:var(--surface);color:var(--text);box-shadow:0 0 0 1px var(--line);font-weight:600}.chat-empty{text-align:center;color:var(--faint);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:24px 28px;display:flex}.chat-empty-title{color:var(--text);margin:4px 0 0;font-weight:600}.composer{border:1px solid var(--line-strong);color:var(--faint);background:var(--surface);border-radius:12px;flex:none;justify-content:space-between;align-items:center;margin:12px;padding:10px 12px;font-size:13.5px;display:flex}.composer.disabled{border-style:dashed}.feed-status{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;padding:0 20px 10px;font-size:12.5px;display:flex}.feed-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin:0;padding:0 20px 40px;list-style:none;display:grid}.feed-card{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;flex-direction:column;gap:6px;min-width:0;padding:14px;display:flex}.feed-title{color:var(--text);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;font-weight:600;line-height:1.38;text-decoration:none;display:-webkit-box;overflow:hidden}.feed-title:hover{color:var(--accent)}.feed-authors{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.feed-abstract{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:12.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.feed-card.expanded .feed-title,.feed-card.expanded .feed-abstract{-webkit-line-clamp:unset;overflow:visible}.feed-card.expanded{grid-column:1/-1}.feed-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;padding-top:4px;font-size:11.5px;display:flex}.feed-meta .pill{margin-left:auto}.approve-steps{color:var(--text);gap:6px;margin:0;padding-left:20px;display:grid}.approve-qr{aspect-ratio:1;align-self:center;place-items:center;width:min(100%,248px);margin:0;display:grid}.approve-qr svg{border:1px solid var(--line);border-radius:12px;width:100%;height:100%}.approve-code{text-align:center;color:var(--muted);margin:0}.approve-code output{letter-spacing:.08em;color:var(--text);margin-top:4px;font-size:28px;display:block}.approve-status{align-items:center;gap:8px;display:flex}.chat-pane{min-width:0;min-height:0;position:relative}.chat-pane .pane-header{flex-shrink:0;gap:3px}.chat-pane .segment{min-height:28px;padding:2px 8px}.chat-heading{border-bottom:1px solid var(--line);flex-direction:column;gap:4px;min-width:0;padding:10px 14px;display:flex}.chat-heading>strong,.chat-paper{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.chat-heading .link{align-self:flex-start}.branch-picker{align-items:center;gap:8px;font-size:12px;display:flex}.branch-picker select{width:100%;min-width:0}.chat-sync{border-bottom:1px solid var(--line);padding:8px 14px}.chat-sync button{margin-left:8px}.chat-transcript{overscroll-behavior:contain;flex:1;min-height:0;padding:16px 16px 8px;overflow:hidden auto}.chat-transcript .chat-empty{min-height:150px;padding:12px}.chat-message{overflow-wrap:anywhere;margin:0 0 24px;font-size:14px;line-height:1.62}.message-label{color:var(--faint);letter-spacing:.06em;text-transform:uppercase;margin:0 0 7px;font-size:10px;font-weight:650}.chat-message.user{background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-left:16px;padding:10px 12px}.question-text{white-space:pre-wrap}.answer-markdown>:first-child{margin-top:0}.answer-markdown>:last-child{margin-bottom:0}.answer-markdown p{margin:0 0 12px}.answer-markdown h1,.answer-markdown h2,.answer-markdown h3,.answer-markdown h4{margin:20px 0 8px;font-size:1.05em;line-height:1.4}.answer-markdown ul,.answer-markdown ol{margin:8px 0 12px;padding-left:20px}.answer-markdown li+li{margin-top:4px}.answer-markdown pre,.chat-diagram pre{white-space:pre;background:var(--surface);border:1px solid var(--line);border-radius:6px;max-width:100%;padding:10px;font-size:12px;overflow:auto}.answer-markdown code{font-size:.9em}.answer-markdown blockquote{border-left:2px solid var(--line-strong);color:var(--muted);margin:12px 0;padding-left:12px}.answer-markdown table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px;display:block;overflow-x:auto}.answer-markdown td,.answer-markdown th{text-align:left;border:1px solid var(--line);padding:6px 8px}.answer-markdown a{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.answer-markdown math[display=block]{display:block math;max-width:100%;margin:8px 0;padding:8px 0;overflow:auto hidden}.answer-markdown math{font-size:1.06em}.interrupted{margin-top:8px;display:block}.chat-issue{border:1px solid var(--line-strong);border-radius:8px;margin:12px 0;padding:10px;font-size:13px}.chat-issue p{margin:0 0 8px}.answer-cost{text-align:right;margin:6px 0}.chat-composer{border-top:1px solid var(--line);background:var(--surface-2);flex:none;padding:10px 12px 8px}.chat-composer textarea{resize:vertical;background:var(--surface);width:100%;min-height:66px;max-height:160px;font:inherit;border-radius:9px;padding:10px;font-size:14px;line-height:1.45}.composer-footer{justify-content:space-between;align-items:center;gap:8px;margin-top:7px;display:flex}.draft-hint{margin:6px 0 0;font-size:10px}.jump-latest{align-self:center;position:absolute;bottom:160px;box-shadow:0 2px 9px #0002}.source-address{overflow-wrap:anywhere;font-size:14px}.history-filters{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.history-table-wrap{max-height:60dvh;overflow:auto}.history-table{border-collapse:collapse;table-layout:fixed;width:100%}.history-table td,.history-table th{text-align:left;border-bottom:1px solid var(--line);vertical-align:middle;padding:9px 8px}.history-table td:first-child{width:50%}.history-table th:nth-child(3){width:88px}.history-table th:last-child{width:60px}.history-table td .fine{display:block}.history-title{text-align:left;text-overflow:ellipsis;white-space:nowrap;width:100%;padding:0;font-size:13px;line-height:1.4;display:block;overflow:hidden}.history-paper{color:var(--muted);font-size:12px}.history-draft{border-bottom:1px solid var(--line);justify-content:space-between;padding:8px 0;display:flex}.chat-delete{margin-top:15px}.selection-bar{flex-wrap:wrap;justify-content:center;gap:5px;display:flex}@media (max-width:600px){.history-paper{display:none}.chat-message{font-size:15px}.chat-pane .segment{min-height:32px}}.diagram-tools{justify-content:flex-end;gap:6px;margin-bottom:8px;display:flex}.diagram-tools button{min-width:36px}.diagram-viewport{border:1px solid var(--line);background:var(--surface);border-radius:8px;width:100%;height:55dvh;overflow:auto}.diagram-frame{border:0;max-width:none;display:block}.dialog-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.dialog-heading h2{margin:0}