:root{--bg: #0f1115;--bg-2: #171a21;--bg-3: #1e222b;--line: #2a2f3a;--fg: #e6e8ee;--fg-dim: #9aa3b2;--accent: #4f8cff;--accent-2: #3a6fd8;--err: #ff6b6b;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font:15px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.boot{display:grid;place-items:center;height:100%;color:var(--fg-dim)}.login-wrap{display:grid;place-items:center;height:100%;padding:20px}.login{width:100%;max-width:340px;background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:32px 28px;display:flex;flex-direction:column;gap:14px}.login h1{margin:0;font-size:24px;letter-spacing:-.02em}.login .sub{margin:-10px 0 6px;color:var(--fg-dim);font-size:14px}.login input{background:var(--bg-3);border:1px solid var(--line);border-radius:10px;padding:11px 14px;outline:none}.login input:focus{border-color:var(--accent)}.login button{background:var(--accent);border:0;border-radius:10px;padding:11px;font-weight:600;color:#fff}.login button:disabled{opacity:.5;cursor:not-allowed}.err{color:var(--err);font-size:13px}.app{display:flex;height:100%}.sidebar{width:260px;flex:none;background:var(--bg-2);border-left:1px solid var(--line);display:flex;flex-direction:column;padding:14px;gap:12px}.new-chat{background:var(--bg-3);border:1px solid var(--line);border-radius:10px;padding:10px;font-weight:600}.new-chat:hover{border-color:var(--accent)}.chat-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.chat-list .empty{color:var(--fg-dim);font-size:13px;padding:8px}.chat-item{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--fg-dim)}.chat-item:hover,.chat-item.active{background:var(--bg-3);color:var(--fg)}.chat-item 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var(--line);border-radius:9px;font-size:12.5px;color:var(--fg-dim);white-space:pre-wrap;word-break:break-word;max-height:320px;overflow-y:auto}.stats{margin-top:10px;padding-top:9px;border-top:1px solid var(--line);font-size:12px;color:var(--fg-dim)}.typing{display:flex;gap:5px;padding:4px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--fg-dim);animation:blink 1.3s infinite both}.typing span:nth-child(2){animation-delay:.18s}.typing span:nth-child(3){animation-delay:.36s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.composer{border-top:1px solid var(--line);background:var(--bg-2);padding:14px 18px;display:flex;gap:10px;align-items:flex-end}.composer textarea{flex:1;background:var(--bg-3);border:1px solid var(--line);border-radius:11px;padding:11px 14px;outline:none;resize:none;max-height:200px;min-height:44px;line-height:1.5;field-sizing:content}.composer textarea:focus{border-color:var(--accent)}.composer button{border:0;border-radius:11px;padding:12px 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