:root{--bg:#fbfaf7;--fg:#1f1d1a;--muted:#6b665e;--line:#e6e1d8;--accent:#2f5d50;--accent-fg:#ffffff;--danger:#a23b2a;--ok:#2f5d50}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:40rem;margin:0 auto;padding:3rem 1.25rem}h1{font-size:1.6rem;margin:0 0 .5rem}h2{font-size:1.15rem;margin:2rem 0 .5rem}p{margin:.5rem 0}.muted{color:var(--muted)}.card{border:1px solid var(--line);border-radius:10px;padding:1.25rem;background:#fff;margin:1rem 0}label{display:block;font-weight:600;margin-bottom:.35rem}input[type=email],input[type=text]{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font:inherit}button{font:inherit;padding:.6rem 1rem;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);cursor:pointer;margin-top:.75rem}button.secondary{background:transparent;color:var(--accent)}.error{color:var(--danger)}.ok{color:var(--ok)}code{background:#f1ede6;padding:.1rem .35rem;border-radius:4px;font-size:.9em}nav{display:flex;gap:1rem;align-items:center;margin-bottom:2rem;font-size:.95rem}nav form{margin-left:auto}nav button{margin:0;padding:.35rem .7rem}dl{display:grid;grid-template-columns:max-content 1fr;grid-gap:.35rem 1rem;gap:.35rem 1rem}dt{color:var(--muted)}dd{margin:0}table{border-collapse:collapse;width:100%;font-size:.95rem}td,th{text-align:left;padding:.4rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}select,textarea{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}details summary{cursor:pointer}nav a{color:var(--accent);text-decoration:none}nav a:hover{text-decoration:underline}