:root{color-scheme:light;--bg:#f6f6f3;--paper:#fff;--ink:#20242d;--muted:#737981;--line:#e0e3e8;--accent:#3156ed;--soft:#eef1ff;--warning:#a06313;font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:clamp(26px,4vw,36px);line-height:1.15;letter-spacing:-1.2px;font-weight:500}h2{font-size:19px;font-weight:500;letter-spacing:-.4px}h3{font-size:16px;font-weight:500}.muted{color:var(--muted);font-size:13px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--muted);margin-bottom:9px}.brand{display:flex;align-items:center;gap:4px;font-size:27px;letter-spacing:-1.2px;font-weight:600}.brand>span{color:var(--accent);font-size:13px;margin-top:7px}.brand small{font-size:10px;letter-spacing:1.4px;color:var(--muted);margin-left:14px;font-weight:400}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:16px;border-radius:9px;min-height:42px;padding:10px 17px;font-size:13px;text-decoration:none}.primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.primary:hover{background:#2446d5}.secondary{background:var(--paper);color:var(--ink);border:1px solid var(--line)}.secondary:hover{border-color:var(--accent)}.link-button{width:fit-content}.login-shell{min-height:100svh;display:grid;place-items:center;padding:24px}.login-card{width:440px;max-width:100%;background:var(--paper);padding:38px;border:1px solid var(--line);border-radius:19px}.login-card .brand{margin-bottom:32px}.login-card h1{margin-bottom:17px}.login-card>p.muted{margin-bottom:26px}.login-card>button{width:100%;justify-content:space-between;margin-top:6px}label{display:block;font-size:12px;font-weight:500;margin:18px 0 14px}input,textarea{display:block;width:100%;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);padding:12px;margin-top:7px;font-size:16px}textarea{resize:vertical;min-height:70px}input:focus,textarea:focus{outline:2px solid var(--soft);border-color:var(--accent)}.feedback{font-size:13px;margin-top:14px;color:#b54c29;overflow-wrap:anywhere}.topbar{height:76px;max-width:1220px;margin:auto;padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px}.status{font-size:11px;background:#edece5;color:#746b4c;padding:5px 10px;border-radius:20px}.status.live{background:#e5f1e7;color:#3a744c}.tabs{display:flex;gap:28px;max-width:1160px;margin:auto;border-bottom:1px solid var(--line);padding:0 3px}.tab{background:transparent;border:0;padding:16px 0;color:var(--muted);font-size:13px;border-bottom:2px solid transparent}.tab.active{color:var(--ink);border-color:var(--accent)}main{max-width:1160px;margin:0 auto;padding:32px 0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.stats{display:flex;gap:50px;margin:26px 0 28px}.stats>div{display:flex;gap:12px;align-items:baseline}.stats span{font-size:25px;letter-spacing:-1px}.stats small{font-size:12px;color:var(--muted)}.inbox-grid{display:grid;grid-template-columns:310px 1fr;background:var(--paper);border:1px solid var(--line);border-radius:15px;overflow:hidden;min-height:440px}.conversation-list{border-right:1px solid var(--line);max-height:700px;overflow:auto}.visitor{display:block;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);padding:18px 20px;color:var(--ink)}.visitor.active{background:var(--soft);box-shadow:inset 3px 0 var(--accent)}.visitor-title{display:flex;justify-content:space-between;gap:10px;font-size:14px}.visitor time{font-size:10px;color:var(--muted);white-space:nowrap}.visitor p{margin-top:6px;font-size:12px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.visitor small{display:block;margin-top:7px;font-size:10px;color:var(--warning)}.empty{padding:35px 22px;color:var(--muted);font-size:13px;line-height:1.8}.conversation-detail{min-width:0}.choose{padding:100px 40px;text-align:center}.choose>span{display:block;font-size:30px;color:var(--accent);margin-bottom:12px}.choose p{max-width:310px;margin:12px auto}.thread-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line)}.thread-header h2{font-size:18px}.thread-header p{margin-top:5px;font-size:11px;overflow-wrap:anywhere}.thread-header .secondary{font-size:11px;flex-shrink:0}.messages{padding:20px 24px;display:grid;gap:16px;max-height:440px;overflow:auto}.message{max-width:88%;justify-self:start}.message.visitor-message{justify-self:end}.message .message-label{display:block;font-size:10px;color:var(--muted);margin-bottom:5px}.message .message-text{background:var(--bg);padding:12px 15px;border-radius:4px 13px 13px 13px;font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere}.visitor-message .message-text{background:var(--soft);border-radius:13px 4px 13px 13px}.message.operator-message .message-text{background:#eaf2ec}.contact-line,.attention-line{padding:11px 24px;font-size:12px;overflow-wrap:anywhere}.contact-line{background:#edf4ef;color:#3f7050}.attention-line{background:#fff4df;color:#94661c}.reply-form{padding:0 24px 24px}.reply-form label{margin:0 0 8px}.reply-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:12px}.reply-bottom small{font-size:11px}.narrow{max-width:800px}.settings-block{display:grid;grid-template-columns:40px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line)}.step{font-size:12px;color:var(--muted);padding-top:4px}.settings-block h2+p{margin-top:8px}.settings-block input{max-width:580px}.settings-block button{margin-right:8px}.saved{font-size:12px;color:#4f735d;margin:6px 0 14px}.pairing{margin:20px 0;padding:20px;background:var(--soft);border-radius:10px}.pairing p{font-size:13px;margin:8px 0 15px}.pairing a,.pairing button{margin-top:8px}.toggle{display:flex;align-items:center;gap:10px;font-size:14px}.toggle input{width:18px;height:18px;margin:0;accent-color:var(--accent)}#embed-code{font-family:monospace;font-size:12px;background:var(--paper)}#knowledge-form{margin-top:24px}#knowledge{font-family:monospace;font-size:13px;line-height:1.65}#knowledge-form button{margin-top:16px}.global-feedback{font-size:13px;color:var(--accent);margin-top:24px;overflow-wrap:anywhere}.app-footer{max-width:1160px;margin:16px auto 30px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between}.preview-body{padding:30px;min-height:100svh}.preview-body .brand{margin-bottom:60px}.preview-body h1{font-size:clamp(36px,7vw,72px);max-width:700px}.preview-body>p{margin-top:24px;max-width:500px;color:var(--muted)}.preview-body>a{margin-top:30px}.preview-note{font-size:12px}body.dark{--bg:#16191f;--paper:#20252d;--ink:#eef1f7;--muted:#a4adbb;--line:#3b424d;--soft:#292f49;--warning:#e2ba70;color-scheme:dark}body.dark .status{background:#373426;color:#e3d39b}body.dark .status.live{background:#213a2b;color:#b8dfc1}body.dark .contact-line{background:#23372a;color:#b8dfc1}body.dark .attention-line{background:#3c301c;color:#edcf8b}body.dark .message.operator-message .message-text{background:#2a3a30}@media(max-width:1220px){main,.tabs,.app-footer{margin-left:24px;margin-right:24px}}@media(max-width:700px){.topbar{height:68px;padding:0 20px}.tabs{gap:24px;margin:0 20px;overflow:auto}.tab{white-space:nowrap;min-height:48px}main{padding-top:24px;margin:0 16px}.section-heading{gap:12px;align-items:flex-start}.section-heading .secondary{font-size:11px}.stats{gap:20px;justify-content:space-between}.stats>div{flex-direction:column;gap:2px}.stats small{font-size:10px}.inbox-grid{grid-template-columns:1fr}.conversation-list{border-right:0;max-height:260px;border-bottom:1px solid var(--line)}.choose{padding:50px 24px}.thread-header{padding:20px 16px;align-items:flex-start}.thread-header .secondary{min-height:40px;padding:8px}.messages{padding:20px 16px;max-height:420px}.reply-form{padding:0 16px 20px}.reply-bottom{align-items:flex-start}.reply-bottom small{max-width:150px}.settings-block{grid-template-columns:25px 1fr;gap:10px}.login-card{padding:28px}.app-footer{margin:20px 20px 30px}.brand small{display:none}.preview-body{padding:24px}.contact-line,.attention-line{padding:11px 16px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}
select{display:block;width:100%;max-width:580px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);padding:12px;margin-top:7px;font:inherit;font-size:16px}select:focus{outline:2px solid var(--soft);border-color:var(--accent)}#models-status{margin:12px 0}#refresh-models{margin-bottom:14px}