:root{color-scheme:light;--paper:#fcfcf8;--ink:#303b35;--muted:#657067;--line:#e1e5dc;--orange:#ba561f;--peach:#fff1e6;--sage:#eef2e8;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}a{color:inherit}button,textarea{font:inherit}button,a,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:default}a:focus-visible,button:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:12px 18px;font-weight:600;min-height:44px}button:hover:not(:disabled){background:var(--sage)}
.site-header{max-width:1024px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px 32px;border-bottom:1px solid var(--line)}.brand{display:flex;flex-direction:column;align-items:center;text-decoration:none}.brand span{font-size:10px;letter-spacing:.3em;padding-left:.3em}.brand img{display:block;object-fit:contain;width:145px;height:48px}.back{font-size:14px;text-decoration:none;line-height:1.5}.back:hover{text-decoration:underline}main{max-width:830px;margin:38px auto;padding:0 28px 40px}.chat-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.eyebrow{font-size:11px;letter-spacing:.12em;color:var(--orange);font-weight:700;margin:0 0 10px}h1{font-size:clamp(30px,5vw,40px);letter-spacing:-.04em;margin:0 0 10px}.chat-heading p:last-child{font-size:15px;color:var(--muted);line-height:1.6;margin:0}#connection-status{background:var(--sage);border-radius:24px;font-size:12px;white-space:nowrap;padding:10px 13px}.chat{border:1px solid var(--line);border-radius:20px;background:white;overflow:hidden}#history{height:clamp(250px,43dvh,480px);overflow-y:auto;overscroll-behavior:contain;padding:24px;display:flex;flex-direction:column;gap:18px;background:var(--paper);scrollbar-gutter:stable}.welcome{color:var(--muted);font-size:16px;line-height:1.7;margin:0}.message{max-width:90%;border-radius:16px;padding:15px 19px;flex-shrink:0}.message.user{align-self:flex-end;background:var(--peach)}.message.assistant{align-self:flex-start;background:white;border:1px solid var(--line)}.message strong{font-size:11px;letter-spacing:.03em}.message p{font-size:16px;line-height:1.65;margin:5px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.pending{font-size:14px;color:var(--muted);margin:0}.notice{padding:16px 24px;background:var(--peach)}.notice p{margin:0;font-size:14px;line-height:1.6}.notice button{margin-top:10px}#chat-form{padding:22px 24px}label{font-size:14px;font-weight:600;display:block;margin-bottom:10px}.compose{display:flex;gap:12px;align-items:stretch}textarea{resize:vertical;flex:1;min-width:0;max-height:180px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:16px;line-height:1.5;color:var(--ink);background:var(--paper)}.primary{background:var(--orange);color:white;border-color:var(--orange);min-width:110px}.primary:hover:not(:disabled){background:#944017}.privacy{font-size:12px;color:var(--muted);line-height:1.6;margin:13px 0 0}.chat-actions{margin-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;font-size:14px}.chat-actions a{text-underline-offset:4px}[hidden]{display:none!important}
.message a{color:var(--orange);text-decoration:underline;text-underline-offset:3px}.message a:hover{color:#944017}
.reset-link{display:inline-flex;align-items:center;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:12px 18px;font-weight:600;background:white;text-decoration:none}
@media(max-width:560px){.site-header{padding:18px 20px}.brand img{width:116px;height:39px}.back{font-size:12px;max-width:145px;text-align:right}main{padding:0 16px 24px;margin-top:25px}.chat-heading{align-items:flex-start;flex-direction:column;gap:12px}#history{height:38dvh;min-height:230px;padding:17px}.message{max-width:95%;padding:12px 15px}.message p{font-size:15px}#chat-form{padding:17px}.compose{flex-direction:column}.primary{min-height:48px}.notice{padding:16px}.chat-actions{align-items:center;gap:12px}.chat-actions button{font-size:13px}.chat-actions a{font-size:13px;text-align:right}}