:root{--primary:#2563eb;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--canvas:#f1f5f9;--surface:#fff;--warn:#fef3c7;--warn-ink:#92400e;--ok:#dcfce7;--ok-ink:#166534;--err:#fee2e2;--err-ink:#991b1b}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:42rem;margin:0 auto;padding:2rem 1rem}main.wide{max-width:72rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.5rem;margin:0 0 1rem;box-shadow:0 1px 3px rgba(15,23,42,.06)}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:700;margin:0 0 1.5rem}.brand span{display:inline-grid;place-items:center;width:2rem;height:2rem;border-radius:.6rem;background:var(--primary);color:#fff}
h1{font-size:1.4rem;margin:0 0 .5rem}h2{font-size:1.1rem;margin:1.5rem 0 .5rem}p{margin:0 0 1rem}.muted{color:var(--muted)}
label{display:block;font-weight:600;margin:0 0 .25rem}input,select{width:100%;min-height:44px;padding:.5rem .75rem;border:1px solid #cbd5e1;border-radius:.5rem;font:inherit;margin:0 0 1rem;background:#fff}
button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 1.25rem;border-radius:999px;border:1px solid #cbd5e1;background:#fff;color:var(--primary);font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.primary{background:var(--primary);border-color:var(--primary);color:#fff}.danger{color:var(--err-ink)}
.code{font:600 1.75rem/1 ui-monospace,monospace;letter-spacing:.15em;text-align:center;text-transform:uppercase}
.note{padding:.75rem 1rem;border-radius:.6rem;margin:0 0 1rem}.note.warn{background:var(--warn);color:var(--warn-ink)}.note.ok{background:var(--ok);color:var(--ok-ink)}.note.err{background:var(--err);color:var(--err-ink)}
.choice{display:flex;gap:.75rem;align-items:flex-start;border:1px solid var(--line);border-radius:.75rem;padding:.75rem 1rem;margin:0 0 .5rem;font-weight:400}.choice input{width:auto;min-height:auto;margin:.3rem 0 0}
table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{text-align:left;padding:.5rem;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}
.scroll{overflow-x:auto}.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}.row form{margin:0}
.tag{display:inline-block;padding:0 .5rem;border-radius:999px;font-size:.8rem;font-weight:600}.tag.ok{background:var(--ok);color:var(--ok-ink)}.tag.warn{background:var(--warn);color:var(--warn-ink)}.tag.err{background:var(--err);color:var(--err-ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:0 1rem}