:root{--ink:#15130f;--paper:#f4f0e8;--card:#fffdf8;--plum:#41233d;--line:#d8d0c4;--muted:#756f67;--accent:#ca5d38}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 14% 0,#e8cfbf 0,transparent 29rem),var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{max-width:860px;margin:auto;padding:34px 22px 48px}.shell{max-width:540px;margin:13vh auto}.eyebrow{font:600 11px/1.2 ui-monospace,"SFMono-Regular",monospace;letter-spacing:.12em;color:var(--accent);margin:0 0 10px}h1{font:600 clamp(42px,8vw,72px)/.94 Georgia,serif;letter-spacing:-.05em;margin:0}h1 em,h1 span{color:var(--plum);font-style:italic}.lede{font-size:19px;color:var(--muted);margin:20px 0 28px}.card,aside{background:color-mix(in srgb,var(--card) 88%,transparent);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 34px #40251d10}label{display:grid;gap:7px;font-size:14px;font-weight:700}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:#fffdf8;color:var(--ink);font:inherit;outline:none}input:focus,textarea:focus{border-color:var(--plum);box-shadow:0 0 0 3px #41233d18}button{border:0;border-radius:999px;background:var(--ink);color:white;font:700 14px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;padding:12px 18px;cursor:pointer;margin-top:16px}button:disabled{opacity:.55;cursor:wait}.fine,.error{font-size:13px;color:var(--muted)}.error{color:#a62919;min-height:20px}header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px}header h1{font-size:33px;letter-spacing:-.035em}.quiet{background:transparent;color:var(--ink);border:1px solid var(--line);margin:0}aside{display:grid;gap:4px;margin:20px 0;padding:15px 17px;font-size:13px;color:var(--muted)}aside strong{color:var(--ink)}#messages{display:grid;gap:14px;min-height:50vh;padding:12px 0 24px}.message{max-width:82%;padding:13px 16px;border-radius:18px;white-space:pre-wrap}.message.user{justify-self:end;background:var(--ink);color:white;border-bottom-right-radius:5px}.message.assistant{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:5px}#composer{display:flex;gap:10px;align-items:end;border-top:1px solid var(--line);padding-top:18px;position:sticky;bottom:0;background:linear-gradient(transparent,var(--paper) 28%);padding-bottom:8px}#composer textarea{resize:vertical;min-height:55px}#composer button{margin:0}@media(max-width:560px){main{padding:24px 15px}#composer{align-items:stretch;flex-direction:column}#composer button{width:100%}.message{max-width:93%}}