:root{--bg:#f6f3ee;--card:#ffffff;--ink:#23201c;--muted:#6b645b;--accent:#2f5d50;--accent-ink:#ffffff;--line:#e4ded3;--warn:#b3261e;--highlight:#eef5f1}@media (prefers-color-scheme:dark){:root{--bg:#171512;--card:#211f1b;--ink:#f1ece4;--muted:#a39b8f;--accent:#6fb39f;--accent-ink:#10201b;--line:#34302a;--warn:#ff8a80;--highlight:#1c2a25}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.demo-banner{background:#f2c94c;color:#3a2e00;text-align:center;font-size:13px;padding:6px 16px}.wrap{max-width:720px;margin:0 auto;padding:24px 16px 64px}h1{font-size:1.7rem;margin:0 0 4px}h2{font-size:1.1rem;margin:0 0 12px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;margin:0}.eyebrow,.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin:16px 0}.card.narrow{max-width:420px;margin:48px auto}.card.highlight{background:var(--highlight)}.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-top:8px}.stack{display:grid;grid-gap:14px;gap:14px}label{display:grid;grid-gap:4px;gap:4px;font-size:14px}input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%}button{font:inherit;padding:10px 16px;border:0;border-radius:8px;cursor:pointer;background:var(--accent);color:var(--accent-ink)}button:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.error{color:var(--warn);margin:0;font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:12px 20px;gap:12px 20px;margin:0}.grid dt{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.grid dd,.places{margin:0}.places{list-style:none;padding:0;display:grid;grid-gap:12px;gap:12px}.tag{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:1px 8px}.demo-help,.tag{color:var(--muted)}.demo-help{margin-top:16px;font-size:13px}.chat-log{max-height:320px;overflow-y:auto;display:grid;grid-gap:8px;gap:8px;margin-bottom:12px}.bubble{margin:0;padding:8px 12px;border-radius:12px;max-width:85%}.bubble.bot{background:var(--highlight);justify-self:start}.bubble.guest{background:var(--accent);color:var(--accent-ink);justify-self:end}.chat-form{display:flex;gap:8px}