:root{--bg: #0b0f14;--panel: #121821;--panel-2: #172030;--line: #223046;--text: #e7eef7;--muted: #8b9bb4;--accent: #3d8bfd;--accent-2: #1f6feb;--out: #1d3a5f;--danger: #ff6b6b;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:16px/1.45 -apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none}input,textarea{background:#0d1219;border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;outline:none}input:focus,textarea:focus{border-color:var(--accent)}.muted{color:var(--muted)}.small{font-size:13px}.pad{padding:16px}.row{display:flex;gap:6px}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.center{min-height:100%;display:grid;place-items:center;padding:24px}.card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 24px 60px #00000073}.card h1{margin:0 0 4px;font-size:28px;letter-spacing:.3px}.login{display:grid;gap:14px;margin-top:18px}.login label,.settings label{display:grid;gap:6px;font-size:14px;color:var(--muted)}.primary{background:var(--accent-2);color:#fff;border-radius:10px;padding:13px 16px;font-weight:600}.primary:disabled{opacity:.55}.error{background:#ff6b6b1f;border:1px solid rgba(255,107,107,.35);color:#ffb3b3;border-radius:10px;padding:10px 12px;font-size:14px;word-break:break-word}.app{display:grid;grid-template-columns:340px 1fr;height:100%}.sidebar{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.side-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px;border-bottom:1px solid var(--line)}.ghost{font-size:18px;padding:8px 10px;border-radius:10px;color:var(--muted)}.ghost:hover{background:var(--panel-2);color:var(--text)}.settings{padding:14px 16px;border-bottom:1px solid var(--line);display:grid;gap:10px;background:#0f151e}.chatlist{overflow-y:auto;flex:1;min-height:0}.chatrow{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;text-align:left;border-bottom:1px solid rgba(34,48,70,.5)}.chatrow:hover{background:var(--panel-2)}.chatrow.active{background:var(--out)}.avatar{width:42px;height:42px;flex:0 0 42px;border-radius:50%;background:linear-gradient(160deg,#2b4a72,#1b2b42);display:grid;place-items:center;font-weight:700}.chatmeta{min-width:0;flex:1}.chattitle{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.badge{background:var(--accent-2);color:#fff;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700}.main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.main-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--panel)}.messages{flex:1;overflow-y:auto;padding:18px 20px 8px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:min(680px,82%);padding:10px 14px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line)}.bubble.in{align-self:flex-start;border-bottom-left-radius:4px}.bubble.out{align-self:flex-end;background:var(--out);border-bottom-right-radius:4px}.bubble-text{white-space:pre-wrap;word-break:break-word}.bubble-foot{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:6px}.speak{font-size:15px;opacity:.75;padding:2px 4px;border-radius:6px}.speak:hover{opacity:1;background:#ffffff14}.composer{display:flex;gap:10px;align-items:flex-end;padding:14px 20px;border-top:1px solid var(--line);background:var(--panel)}.composer textarea{resize:none;max-height:140px;min-height:48px}.mic,.send{height:48px;border-radius:12px;padding:0 18px;font-weight:600;white-space:nowrap}.mic{background:var(--panel-2);border:1px solid var(--line);font-size:20px;padding:0 14px}.mic.rec{background:#ff6b6b2e;border-color:var(--danger)}.send{background:var(--accent-2);color:#fff}.send:disabled{opacity:.45}.statusline{position:absolute;left:20px;right:20px;bottom:84px;background:#0d1219f0;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px;color:var(--muted)}.empty{margin:auto;text-align:center;max-width:460px;padding:24px}@media (max-width: 860px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr}.sidebar{max-height:38vh;border-right:0;border-bottom:1px solid var(--line)}.bubble{max-width:92%}}