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16px;min-height:100%}.chat-head{display:flex;justify-content:space-between;align-items:center}.chat-log{flex:1;display:flex;flex-direction:column;gap:10px}.chat-empty{display:flex;flex-direction:column;gap:6px}.chip-btn{text-align:left;white-space:normal;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:13px;font-weight:500;color:var(--ink-2)}.chip-btn:hover:not(:disabled){border-color:var(--accent);color:var(--ink)}.msg{font-size:13.5px;line-height:1.5;border-radius:12px;padding:9px 12px;max-width:100%;overflow-wrap:anywhere}.msg-user{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap;max-width:88%}.msg-assistant{align-self:stretch;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px;display:flex;flex-direction:column;gap:8px}.rich p+p,.rich p+ul,.rich ul+p{margin-top:6px}.rich ul{margin:4px 0 0;padding-left:18px}.tool-trail{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;font-size:11.5px;color:var(--muted)}.tool-trail li:before{content:"↳ "}.typing{animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.45}}@media(prefers-reduced-motion:reduce){.typing{animation:none}}.chat-input{position:sticky;bottom:0;display:flex;gap:6px;align-items:flex-end;background:var(--surface);padding-top:6px}.chat-input textarea{flex:1;resize:none}.delta-up{color:var(--danger);font-weight:600}.delta-down{color:var(--ok);font-weight:600}.extra-row{border:1px solid var(--line);border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:8px;align-items:stretch}.extra-row>.badge{align-self:flex-start}.extra-head{display:flex;justify-content:space-between;align-items:flex-start;gap:6px;font-size:13px}.extra-form{border:1px dashed var(--line-strong);border-radius:8px;padding:10px}.extra-form .segmented button{flex:1}.table td .badge{margin-left:6px;vertical-align:1px}.chat-end{scroll-margin-bottom:96px}.help-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.help-steps li{display:flex;flex-direction:column;gap:2px;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;font-size:13px}.help-step-n{display:inline-grid;place-items:center;width:22px;height:22px;margin-bottom:4px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);font-weight:700;font-size:12px}.help-layout{display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:start}.help-toc{position:sticky;top:68px;display:flex;flex-direction:column;gap:2px;font-size:13px}.help-toc a{padding:6px 10px;border-radius:6px;color:var(--ink-2);text-decoration:none;border-left:2px solid transparent}.help-toc a:hover{background:#1d25300d}.help-toc a.is-active{color:var(--accent-ink);background:var(--accent-soft);border-left-color:var(--accent);font-weight:600}.help-content{display:flex;flex-direction:column;gap:16px;min-width:0}.help-section{scroll-margin-top:68px;line-height:1.6}.help-section p,.help-section ul{margin:0 0 10px;max-width:75ch}.help-section ul{padding-left:20px}.help-section li{margin-bottom:4px}.help-section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}.help-section h2{margin:0 0 10px;font-size:18px}.help-section-head h2{margin:0}.help-keys{margin-bottom:12px;max-width:75ch}.help-keys td:first-child{width:70px;white-space:nowrap;vertical-align:top}.help-keys kbd,.help-section kbd{font-size:11px}.help-note{padding:10px 12px;background:var(--warn-soft);border:1px solid #f1e0b0;border-radius:8px;color:var(--ink-2)}.help-faq{border-top:1px solid var(--line);padding:10px 0}.help-faq summary{cursor:pointer;font-weight:600}.help-faq p{margin:8px 0 0;color:var(--ink-2)}@media(max-width:900px){.help-steps{grid-template-columns:1fr;gap:6px}.help-steps li{flex-direction:row;align-items:center;gap:10px;padding:8px 12px}.help-steps li .muted{display:none}.help-step-n{margin-bottom:0;flex-shrink:0}.help-layout{grid-template-columns:1fr;gap:12px}.help-toc{top:52px;z-index:5;flex-direction:row;overflow-x:auto;scrollbar-width:none;margin:0 -16px;padding:8px 16px;background:var(--bg);border-bottom:1px solid var(--line)}.help-toc a{flex-shrink:0;white-space:nowrap;border-left:none}.help-section{scroll-margin-top:112px}}