:root{--bg: #fbfaf7;--fg: #1f1d1a;--muted: #6b655c;--line: #e4dfd6;--accent: #1d5c4a;--accent-soft: #e3efe9;--warn: #a2541b;--warn-soft: #f8e9dc;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0}main{max-width:760px;margin:0 auto;padding:1.5rem 1rem 4rem}h1,h2{font-weight:600;letter-spacing:-.01em}a{color:var(--accent)}.muted{color:var(--muted);font-size:.9rem}.card{border:1px solid var(--line);border-radius:10px;padding:1rem;background:#fff}.row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}button,.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.55rem .9rem;font:inherit;cursor:pointer}button.secondary{background:var(--accent-soft);color:var(--accent)}input,textarea,select{font:inherit;width:100%;border:1px solid var(--line);border-radius:8px;padding:.55rem .7rem;background:#fff}textarea{min-height:5rem;resize:vertical}label{display:block;font-size:.85rem;color:var(--muted);margin:.6rem 0 .2rem}.chat{display:flex;flex-direction:column;gap:.6rem;margin:1rem 0}.msg{padding:.7rem .9rem;border-radius:12px;max-width:85%;white-space:pre-wrap}.msg.user{align-self:flex-end;background:var(--accent-soft)}.msg.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line)}.meta{font-size:.75rem;color:var(--muted);margin-top:.3rem}.nudge{background:var(--warn-soft);color:var(--warn);border-radius:8px;padding:.5rem .8rem;font-size:.9rem}table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:.4rem .5rem;border-bottom:1px solid var(--line);font-size:.95rem}