:root{color-scheme:light;--ink:#263238;--muted:#84908f;--line:#e8eceb;--green:#32826a;--paper:#f6f8f7}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 "Segoe UI","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{border:1px solid #dce3e0;border-radius:7px;background:white;color:#485551;padding:9px 16px;cursor:pointer}button:hover{background:#f1f5f3}button:disabled{opacity:.45;cursor:default}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#276e59}.primary span{margin-left:12px}input,textarea,select{border:1px solid #dce3e0;border-radius:7px;padding:10px 12px;background:white;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:#7fb49f;box-shadow:0 0 0 3px #32826a10}button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px}.topbar{height:72px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:48px;padding:0 32px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:#263b34;font-size:19px;font-weight:650;white-space:nowrap}.brand img{width:32px;height:32px;border-radius:9px}.brand span{font-size:13px;font-weight:400;color:#87928c;border-left:1px solid #dfe5e1;padding-left:14px;margin-left:5px}.topbar nav{align-self:stretch;display:flex;gap:28px}.topbar nav button{border:0;border-radius:0;padding:0 5px;position:relative;background:transparent;color:#8b9591}.topbar nav button.selected{color:var(--green);font-weight:600}.topbar nav button.selected:after{content:"";position:absolute;bottom:0;left:3px;right:3px;height:3px;border-radius:3px;background:var(--green)}.back-link{margin-left:auto;color:#79877f;font-size:13px;text-decoration:none}.status{background:#fff6e8;color:#966c2e;border-bottom:1px solid #f0dfc2;padding:12px 24px;margin:0}.chat-layout{display:grid;grid-template-columns:300px minmax(0,1fr);height:calc(100dvh - 113px);min-height:500px;max-width:1380px;margin:20px auto;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:white}.thread-pane{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.list-heading{display:flex;align-items:center;justify-content:space-between;padding:23px 22px 14px}.list-heading h1{margin:0;font-size:18px;font-weight:600}.quiet-button{padding:3px;border:0;color:#7c8c82;background:transparent;font-size:12px}.search{margin:0 16px 18px;position:relative;display:flex;align-items:center}.search span{position:absolute;left:11px;font-size:23px;color:#9ba69e}.search input{width:100%;border:0;background:#f3f6f4;padding-left:34px;font-size:12px}.thread-list{overflow:auto;flex:1}.thread-item{display:block;width:100%;text-align:left;border:0;border-radius:0;padding:18px 22px;border-left:3px solid transparent;background:white}.thread-item:hover{background:#f6f8f7}.thread-item.selected{background:#edf5f0;border-left-color:var(--green)}.thread-item strong{display:block;font-size:13px;font-weight:600;color:#344b3e;margin-bottom:6px}.thread-item p{margin:0;color:#819087;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}.list-note{padding:14px 20px;margin:0;border-top:1px solid var(--line);font-size:11px;color:#a0aba4}.chat-pane{display:flex;flex-direction:column;min-width:0;min-height:0}.conversation-heading{display:flex;align-items:center;gap:12px;padding:18px 26px;border-bottom:1px solid var(--line);min-height:80px}.avatar{display:grid;place-items:center;width:38px;height:38px;background:#e6eee8;border-radius:11px;color:#627e6b;flex:none}.conversation-heading h2{font-size:15px;max-width:600px;font-weight:600;margin:0 0 3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.muted{color:var(--muted);font-size:12px}.conversation-state{margin-left:auto;font-size:11px;color:#7b9b86;white-space:nowrap}.conversation{flex:1;min-height:180px;overflow:auto;padding:28px;background:#f7f9f8}.bubble{max-width:min(76%,640px);width:fit-content;padding:13px 17px;margin:0 auto 22px 0;border-radius:2px 12px 12px 12px;background:white;border:1px solid #e3e9e5;box-shadow:0 2px 3px #243b3103}.bubble.author{margin-left:auto;margin-right:0;background:#e3f0e8;border-color:#d7e8dd;border-radius:12px 2px 12px 12px}.bubble small{display:block;color:#84968b;font-size:11px;margin-bottom:6px}.bubble p{margin:0;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.composer{padding:16px 26px 18px;border-top:1px solid var(--line);background:white}.composer textarea{border:0;box-shadow:none;padding:4px 0;width:100%;height:80px;resize:none;font-size:14px}.composer textarea:focus{box-shadow:none}.compose-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.compose-footer>span{color:#a1aaa5;font-size:11px}.compose-footer button{padding:9px 19px}.empty{color:#93a198;text-align:center;margin:44px 16px}.board-panel{max-width:860px;margin:32px auto;padding:30px;background:white;border:1px solid var(--line);border-radius:10px}.board-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.board-heading h1{margin:0;font-size:21px}.board-panel label{display:block;margin:20px 0 8px;font-size:13px}.board-panel input,.board-panel select,.board-panel textarea{width:100%}.board-panel textarea{height:260px;resize:vertical}.board-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:1450px){.chat-layout{margin:20px;max-width:none}}@media(max-width:760px){.topbar{height:60px;padding:0 16px;gap:20px}.brand{font-size:16px}.brand span,.back-link{display:none}.topbar nav{margin-left:auto;gap:18px}.chat-layout{margin:0;border:0;border-radius:0;height:calc(100dvh - 60px);min-height:0;grid-template-columns:1fr;grid-template-rows:150px minmax(0,1fr)}.thread-pane{border-right:0;border-bottom:1px solid var(--line)}.list-heading{padding:10px 16px 0}.list-heading h1{font-size:14px}.search{margin:6px 16px}.search input{padding-top:7px;padding-bottom:7px}.thread-list{display:flex;overflow-x:auto;flex:none}.thread-item{width:210px;flex:none;padding:8px 15px}.thread-item strong{margin-bottom:2px}.list-note{display:none}.conversation-heading{padding:12px 16px;min-height:68px}.conversation-heading h2{max-width:210px;font-size:13px}.conversation-state{display:none}.conversation{padding:18px 15px}.bubble{max-width:88%}.composer{padding:12px 16px}.composer textarea{height:60px}.compose-footer>span{font-size:10px;max-width:160px}.board-panel{margin:16px;padding:20px}.board-actions{flex-wrap:wrap}}