:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--bg:#fff;--surface:#f5f6fa;--text:#202434;--muted:#646b7d;--accent:#435de3;--onAccent:#fff;--border:#e5e8ef;--radius:24px;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}button{cursor:pointer}button:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.chat{height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.chat-header{display:flex;align-items:center;gap:11px;padding:22px 20px 17px;border-bottom:1px solid var(--border);background:var(--bg);flex-shrink:0}.avatar{width:43px;height:43px;border-radius:14px;background:var(--accent);color:var(--onAccent);display:grid;place-items:center;overflow:hidden;flex-shrink:0;font-size:21px;font-weight:700}.avatar img{width:100%;height:100%;object-fit:contain}.header-copy{min-width:0;flex:1}h1{font-size:14px;line-height:1.4;margin:0;overflow-wrap:anywhere;font-weight:650}.header-copy p{font-size:9px;line-height:1.5;margin:3px 0 5px;color:var(--muted);overflow-wrap:anywhere}.availability{display:flex;gap:4px;align-items:center;font-size:8px;color:var(--muted)}.availability>span{width:4px;height:4px;border-radius:50%;background:#50aa77}#new-chat{border:0;border-radius:8px;color:var(--muted);background:var(--surface);width:27px;height:27px;font-size:18px;flex-shrink:0}.messages{overflow:auto;flex:1;min-height:0;padding:22px 20px 12px;scroll-behavior:smooth;display:flex;flex-direction:column;gap:15px}.message-row{display:flex;flex-direction:column;align-items:flex-start;flex-shrink:0}.message-row.user{align-items:flex-end}.message-label{font-size:8px;color:var(--muted);margin:0 5px 5px}.message-bubble{max-width:92%;white-space:pre-wrap;overflow-wrap:anywhere;padding:12px 14px;font-size:11px;line-height:1.65;border-radius:3px 15px 15px;background:var(--surface);color:var(--text)}.user .message-bubble{background:var(--accent);color:var(--onAccent);border-radius:15px 3px 15px 15px}.message-bubble:empty::before{content:'Thinking…';color:var(--muted);font-size:10px}.suggestions{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:0 20px 16px;flex-shrink:0}.suggestion{background:var(--bg);border:1px solid var(--border);color:var(--muted);border-radius:8px;padding:8px 11px;font-size:10px;text-align:left;max-width:100%;overflow-wrap:anywhere}.suggestion:hover{border-color:var(--accent);color:var(--text)}form{padding:12px 14px 10px;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0}.composer{display:flex;gap:8px;align-items:center;border:1px solid var(--border);background:var(--surface);padding:6px;border-radius:12px}textarea{background:transparent;border:0;color:var(--text);font-size:11px;padding:7px;resize:none;flex:1;width:100%;line-height:1.5;min-height:32px;max-height:90px}textarea::placeholder{color:var(--muted)}.composer button{width:30px;height:30px;border:0;border-radius:8px;background:var(--accent);color:var(--onAccent);font-size:18px;flex-shrink:0}.composer button:disabled{opacity:.4;cursor:default}.footer-note{font-size:8px;text-align:center;color:var(--muted);margin:9px 0 0}#error{font-size:10px;margin:0 16px 10px;color:var(--text);padding:9px;border:1px solid var(--border);border-radius:8px;background:var(--surface);line-height:1.5}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(prefers-reduced-motion:reduce){.messages{scroll-behavior:auto}}