:root{--bg:#fff;--ink:#0a0a0a;--ink-soft:#2b2b2b;--muted:#6b6b6b;--line-soft:#e6e6e6;--radius:0px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.5;text-transform:lowercase}a{color:inherit;text-decoration:none}a:hover{color:var(--ink)}p{margin:0;color:var(--ink-soft)}button{font:inherit;background:var(--bg);color:var(--ink);border:1px solid var(--ink);padding:.5rem .9rem;cursor:pointer;text-transform:lowercase;border-radius:var(--radius)}button:hover{background:var(--ink);color:var(--bg)}button:disabled{opacity:.4;cursor:not-allowed}button:disabled:hover,input,textarea{background:var(--bg);color:var(--ink)}input,textarea{font:inherit;border:1px solid var(--line-soft);padding:.55rem .7rem;width:100%;border-radius:var(--radius);text-transform:none}input:focus,textarea:focus{outline:none;border-color:var(--ink)}.eyebrow{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.04em;color:var(--muted)}.nav{display:flex;justify-content:space-between;padding:1rem clamp(1.25rem,4vw,3rem);border-bottom:1px solid var(--line-soft)}.brand,.nav{align-items:center}.brand{display:inline-flex;gap:.625rem;font-family:var(--font-mono);font-size:.875rem}.brand-mark{width:22px;height:22px;display:inline-block}.chat-shell{max-width:760px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem);display:flex;flex-direction:column;height:calc(100vh - 4rem);min-height:480px}.chat-log{flex:1 1;overflow-y:auto;gap:1.5rem;padding-bottom:1rem}.chat-log,.msg{display:flex;flex-direction:column}.msg{gap:.4rem}.msg-who{font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.04em;color:var(--muted)}.msg-body{font-size:.95rem;line-height:1.6;color:var(--ink-soft);white-space:pre-wrap;word-break:break-word;text-transform:none}.msg.assistant .msg-body{color:var(--ink)}.msg.user .msg-body{border-left:1px solid var(--ink);padding-left:.85rem}.composer{display:flex;gap:.5rem;align-items:stretch;border-top:1px solid var(--line-soft);padding-top:1rem}.composer textarea{resize:none;min-height:3rem;max-height:12rem;font-family:var(--font-sans);font-size:.95rem;line-height:1.4}.surface-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:.5rem;gap:.5rem;margin-top:.7rem}.surface-card{border:1px solid var(--line-soft);padding:.7rem .8rem;display:flex;flex-direction:column;gap:.25rem;font-family:var(--font-mono);font-size:.6875rem;color:var(--muted);text-transform:lowercase}.surface-card .name{font-family:var(--font-sans);font-size:.875rem;color:var(--ink);text-transform:lowercase}.surface-card a{display:block}.surface-card a:hover .name{text-decoration:underline;text-underline-offset:2px}