:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#243642;--muted:#71818a;--accent:#26796e;--accent-soft:#e7f2ee;--line:#e0e7e5;--paper:#fff;--background:#f5f7f5}*{box-sizing:border-box}body{color:var(--ink);background:var(--background);margin:0;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{border:1px solid var(--line);cursor:pointer;color:var(--ink);background:#fff;border-radius:9px;padding:9px 16px;transition:background .15s}button:hover:not(:disabled){background:var(--accent-soft)}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline-offset:3px;outline:3px solid #6eac9b}input,textarea{width:100%;color:var(--ink);background:#fff;border:1px solid #d9e2df;border-radius:8px;padding:11px 12px}textarea{resize:vertical}label{font-weight:600;display:block}label input,label 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55%),var(--background);place-items:center;min-height:100dvh;padding:30px 20px;display:grid}.login-card{border:1px solid var(--line);background:#fff;border-radius:20px;width:min(470px,100%);padding:44px;box-shadow:0 22px 70px #263e3510}.brand-symbol{width:48px;height:48px;color:var(--accent);background:var(--accent-soft);border-radius:14px;place-items:center;margin-bottom:28px;font-size:30px;display:grid}.login-card h1{font-size:26px}.login-card form{gap:18px;margin-top:30px;display:grid}.privacy-note{border-top:1px solid var(--line);color:var(--muted);margin-top:30px;padding-top:20px;font-size:12px}.privacy-note p{margin-bottom:10px}.subtle-link{font-size:12px}.app-frame{min-height:100dvh}.app-bar{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:24px;height:72px;padding:0 32px;display:flex}.brand{align-items:center;gap:10px;font-size:25px;font-weight:600;display:flex}.brand span{letter-spacing:-.4px;color:var(--ink);font-size:19px}.app-subtitle{color:var(--muted);border-left:1px solid var(--line);padding-left:24px;font-size:12px}.app-bar>.quiet{margin-left:auto}.chat-shell{grid-template-columns:245px minmax(0,1fr);max-width:1600px;height:calc(100dvh - 72px);margin:0 auto;display:grid}.module-nav{border-right:1px solid var(--line);flex-direction:column;gap:9px;padding:32px 16px;display:flex}.module-nav>.eyebrow{color:var(--muted);padding-left:16px}.module-button{text-align:left;background:0 0;border-color:#0000;align-items:center;gap:13px;padding:16px 12px;display:flex}.module-button strong{font-size:15px;display:block}.module-button small{color:var(--muted);margin-top:4px;font-size:11px;line-height:1.6;display:block}.module-symbol{text-align:center;width:30px;color:var(--accent);font-size:26px}.selected{background:var(--accent-soft);color:var(--accent);border-color:#c9e1d7}.nav-note{color:#91a399;margin-top:auto;padding:30px 20px 8px}.nav-note>span{font-size:32px}.nav-note p{font-size:12px;line-height:1.9}.chat-panel{background:var(--paper);flex-direction:column;min-width:0;min-height:0;padding:0 max(24px,50% - 450px);display:flex}.chat-heading{border-bottom:1px solid var(--line);align-items:center;gap:20px;padding:26px 0 21px;display:flex}.chat-heading .eyebrow{margin-bottom:4px;font-size:10px}.chat-heading h1{margin-bottom:4px;font-size:23px}.chat-heading .muted{margin-bottom:0;font-size:12px}.chat-heading>.quiet{flex-shrink:0;margin-left:auto;font-size:12px}.messages{scrollbar-width:thin;flex:1;min-height:0;padding:20px 4px;overflow:auto}.empty-state{text-align:center;color:var(--muted);padding:clamp(35px,9vh,110px) 10px 30px}.empty-state h2{color:var(--ink);margin:20px 0 10px;font-size:22px;font-weight:500}.empty-state p{font-size:13px;line-height:1.9}.empty-symbol{color:#518775;background:#f2f6f2;border-radius:23px;place-items:center;width:70px;height:70px;font-size:42px;display:inline-grid}.input-hints{justify-content:center;gap:9px;margin-top:25px;font-size:11px;display:flex}.input-hints span{border:1px solid var(--line);border-radius:20px;padding:5px 12px}.message{overflow-wrap:anywhere;background:#f6f8f6;border-radius:13px;max-width:90%;margin:10px 0 24px;padding:16px 19px}.message.user{background:#ebf3ef;margin-left:auto}.message-author{color:var(--accent);margin-bottom:8px;font-size:11px;font-weight:600}.message-text{white-space:pre-wrap;line-height:1.9}.message-images{flex-wrap:wrap;gap:8px;margin-bottom:10px;display:flex}.message-images img{object-fit:contain;border:1px solid var(--line);background:#fff;border-radius:8px;width:120px;height:100px}.copy-button{color:var(--muted);background:0 0;border:0;margin-top:8px;padding:4px 0;font-size:11px}.status{color:var(--muted);margin-top:8px;display:block}.composer{border:1px solid var(--line);border-radius:14px;margin:0 0 15px;padding:14px 16px 10px;box-shadow:0 3px 16px #20352905}.composer textarea{resize:vertical;background:0 0;border:0;min-height:64px;max-height:180px;padding:4px 0}.composer-actions{align-items:center;gap:12px;margin-top:7px;display:flex}.composer-actions>button:last-child{margin-left:auto}.upload-button{cursor:pointer;color:var(--accent);border:1px solid var(--line);border-radius:7px;align-items:center;padding:7px 10px;font-size:12px;font-weight:500;display:inline-flex;position:relative}.upload-button input{opacity:0;cursor:pointer;width:100%;margin:0;padding:0;position:absolute;inset:0}.attachment-count{font-size:11px}.composer-note{color:#8a9992;text-align:center;margin:12px 0 0;font-size:10px}.attachments{flex-wrap:wrap;gap:10px;margin-bottom:10px;display:flex}.attachment{width:72px;height:64px;position:relative}.attachment img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:100%;height:100%}.attachment button{background:#fff;border-radius:50%;width:22px;height:22px;padding:0;line-height:20px;position:absolute;top:-6px;right:-6px}.retry-row{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;font-size:12px;display:flex}.pulse{background:var(--accent);border-radius:50%;width:7px;height:7px;margin-left:auto}.admin-tabs{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.admin-content{max-width:1160px;margin:auto;padding:35px 30px 60px}.admin-heading{margin-bottom:28px}.settings-card{border:1px solid var(--line);background:#fff;border-radius:14px;min-width:0;padding:26px}.settings-heading{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;display:flex}.settings-heading>h2{margin:0}.settings-form{gap:18px;display:grid}.settings-form>.notice{margin-bottom:0}.settings-form>button{justify-self:start}.settings-form label small{color:var(--muted);font-weight:400;display:block}.form-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.field-note{margin-top:-10px;margin-bottom:0;font-size:12px}.checkbox-label{align-items:center;gap:8px;display:flex}.checkbox-label input{width:auto;margin:0}.module-tabs{flex-wrap:wrap;gap:8px;display:flex}.key-list{margin-top:25px}.key-row{border-top:1px solid var(--line);align-items:center;gap:12px;padding:16px 0;display:flex}.key-row>div{flex:1;min-width:0}.key-row strong{overflow-wrap:anywhere;display:block}.key-row code{color:var(--accent);font-size:12px}.key-row 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