:root{--bg: #fafaf7;--fg: #1a1a1a;--muted: #6b6b66;--line: #d8d6cf;--accent: #1a1a1a;--user: #1a1a1a;--assistant: #ffffff;--error: #b00020;--radius: 0;--gap: 16px}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--fg);font-family:Georgia,Times New Roman,serif;font-size:16px;line-height:1.5}#app{max-width:720px;margin:0 auto;padding:32px 24px 96px;min-height:100dvh;display:flex;flex-direction:column;gap:24px}.hero h1{font-size:32px;font-weight:400;letter-spacing:.2em;margin:0 0 4px}.hero .kicker{margin:0;color:var(--muted);font-style:italic}.chat{display:flex;flex-direction:column;gap:12px;flex:1;min-height:200px}.msg{padding:12px 14px;max-width:85%;border-radius:var(--radius);overflow-wrap:anywhere;word-break:break-word}.msg-user{align-self:flex-end;background:var(--user);color:#fff}.msg-assistant{align-self:flex-start;background:var(--assistant);border:1px solid var(--line)}.msg-assistant p{margin:0 0 12px}.msg-assistant p:last-child{margin-bottom:0}.msg-thinking{align-self:flex-start;color:var(--muted);display:inline-flex;gap:4px;align-items:center}.msg-thinking .dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:thinking-dot 1.2s ease-in-out infinite}.msg-thinking .dot:nth-child(2){animation-delay:.15s}.msg-thinking .dot:nth-child(3){animation-delay:.3s}@keyframes thinking-dot{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}@media (prefers-reduced-motion: reduce){.msg-thinking .dot{animation:none;opacity:.6}}.msg-error{align-self:stretch;color:var(--error);border:1px solid var(--error);background:#fff}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:8px}.card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);background:#fff;transition:border-color .12s ease}.card:hover{border-color:var(--accent)}.card img{display:block;width:100%;aspect-ratio:1 / 1;object-fit:cover}.card-meta{padding:10px 12px}.card-brand{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}.card-name{font-size:14px;margin-bottom:8px}.card-price{font-size:13px;color:var(--muted)}.composer{display:flex;gap:8px;position:sticky;bottom:0;background:var(--bg);padding:16px 0}.composer input{flex:1;padding:12px 14px;border:1px solid var(--line);background:#fff;font-family:inherit;font-size:15px;border-radius:var(--radius)}.composer input:focus{outline:none;border-color:var(--accent)}.composer button{padding:12px 20px;background:var(--accent);color:#fff;border:none;font-family:inherit;font-size:14px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;border-radius:var(--radius)}.composer button:disabled{opacity:.5;cursor:not-allowed}