:root{font-family:Arial,sans-serif;color:#17212b;background:#e7eef3;font-size:15px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,a{cursor:pointer}button{font:inherit;border:0;background:none;color:#2678ac;border-radius:8px;padding:10px}button:focus-visible,a:focus-visible{outline:2px solid #168acd;outline-offset:2px}button:disabled{opacity:.45;cursor:default}.brand{font-size:24px;font-weight:700;letter-spacing:-1px}.brand span{color:#2785bb}.brand .brand-prefix{color:inherit}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{background:white;width:440px;max-width:100%;padding:38px;border-radius:20px;box-shadow:0 15px 60px #13253514}.login-card h1{font-size:22px;margin:24px 0 12px}.login-card p{line-height:1.6;color:#617581}.login-card label{display:block;margin:20px 0 8px}.login-card .dx-button{margin-top:16px;width:100%}.hint{font-size:13px}a{color:#2385b9;text-decoration:none}.workspace{height:100dvh;display:grid;grid-template-columns:340px 1fr;overflow:hidden}.sidebar{background:white;border-right:1px solid #dfe5e9;display:flex;flex-direction:column;min-height:0}.sidebar header,.conversation-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:16px 22px;background:#fff;flex-shrink:0}.search{padding:0 16px 12px}.tabs{display:flex;border-bottom:1px solid #e6ebef;padding:0 12px}.tabs button{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;border-radius:0;color:#708795;border-bottom:3px solid transparent}.tabs button.selected{color:#2583b9;border-color:#2583b9}#chat-list{overflow:auto;flex:1}.chat-item{display:flex;width:100%;align-items:center;gap:12px;text-align:left;border-radius:0;padding:16px;color:#17212b}.chat-item:hover{background:#f2f7fa}.chat-item.selected{background:#e5f3fc}.avatar{width:44px;height:44px;border-radius:50%;background:#6aa8cb;color:white;display:grid;place-items:center;font-size:18px;flex-shrink:0}.chat-info{flex:1;min-width:0}.chat-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-info small{display:block;color:#7a8b95;margin-top:5px}.badge{background:#3790c2;color:white;padding:3px 7px;border-radius:14px;font-size:12px}.conversation{min-height:0;min-width:0;display:flex;flex-direction:column;background:#e6edf0}.conversation-header{justify-content:flex-start;gap:12px;border-bottom:1px solid #d9e3e9}.conversation-header h1{font-size:17px;margin:0}.conversation-header p{font-size:12px;color:#708390;margin:6px 0 0}#back{display:none}.messages{flex:1;overflow:auto;padding:20px 28px;scroll-behavior:auto;overflow-anchor:none}#load-older{display:block;margin:0 auto 16px;font-size:13px}.message{background:#fff;border-radius:12px;padding:12px 15px;margin:8px 0;max-width:760px;width:fit-content;min-width:160px;box-shadow:0 1px 2px #183d5010}.message.own{background:#e4f9d7;margin-left:auto}.message.bot{border-left:3px solid #76accb}.message-author{color:#2979a7;font-weight:600;font-size:13px;margin-bottom:7px}.message-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.5}.message-meta{font-size:11px;color:#72848e;margin-top:8px;display:flex;gap:12px;justify-content:flex-end;align-items:center}.message-meta button{font-size:11px;padding:0}.quoted{border-left:3px solid #85b6d0;background:#edf4f8;padding:7px;margin-bottom:8px;max-height:85px;overflow:hidden;font-size:12px}.attachment{display:block;margin:8px 0;overflow-wrap:anywhere}.attachment img{display:block;max-width:100%;max-height:360px;border-radius:8px}.status{font-size:11px;color:#778b96;margin-top:5px}.status.failure,.error{color:#a34138}.summary details{margin-top:8px}.summary dt{font-weight:600;margin-top:16px}.summary dd{margin:6px 0;color:#456071;white-space:pre-wrap}.history-start{text-align:center;color:#6e838e;font-size:12px;margin:12px auto 20px;max-width:600px;line-height:1.5}.reply-panel,.upload-list{padding:8px 24px;background:#f5f9fb;display:flex;gap:10px;align-items:center}.reply-panel span{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.upload-list:empty{display:none}#compose{display:flex;gap:12px;padding:16px 24px;background:#fff;align-items:center}#message-text{flex:1;min-width:0;resize:vertical;max-height:140px;min-height:42px;border:1px solid #d7e3e9;border-radius:12px;padding:11px 14px;font:inherit}#send{background:#2d8bbb;color:white}#chat-error{margin:0;padding:0 24px 8px;background:white;font-size:13px}#chat-error:empty{display:none}.summary{max-width:760px}
@media(max-width:720px){.workspace{grid-template-columns:1fr}.workspace:not(.chat-open) .conversation{display:none}.workspace.chat-open .sidebar{display:none}#back{display:block}.messages{padding:12px}.message{max-width:94%}#compose{padding:10px;gap:4px}#send{padding:11px 8px;font-size:13px}.login-card{padding:28px}.conversation-header{height:66px}}