:root { --green: #1f3d2b; --green-2: #2f5a3f; --sand: #f4efe6; --ink: #1c1c1c; --muted: #5f6b63; --line: #d9d3c7; --bad: #b3261e; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--sand); color: var(--ink); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.top { background: var(--green); color: #fff; padding: 18px 20px; display: flex; align-items: baseline; gap: 12px; }
.wordmark { font-weight: 800; letter-spacing: 0.02em; font-size: 20px; }
.tag { opacity: 0.8; font-size: 14px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 48px; }
.intro { margin: 4px 0 16px; color: var(--muted); }
.stack { display: grid; gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 16px; margin: 0; min-width: 0; }
legend { font-weight: 700; padding: 0 6px; color: var(--green); }
label { display: block; font-size: 14px; font-weight: 600; margin: 10px 0 0; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; font-weight: 400; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green-2); outline-offset: 1px; }
.row { display: grid; gap: 12px; grid-template-columns: 1fr; }
.row > label { margin-top: 10px; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } .row.three { grid-template-columns: 1fr 1fr 1fr; } }
.help { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.req { color: var(--bad); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.mix { margin-top: 12px; display: grid; gap: 6px; }
.mix > .help { margin: 0 0 4px; }
.mix-head { display: none; font-size: 12px; color: var(--muted); grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.mix-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; align-items: center; }
.mix-label { font-size: 14px; font-weight: 600; }
.mix-row input, .mix-row select { margin-top: 0; padding: 8px 10px; }
.mix-row.other { margin-top: 6px; }
.mix-row.other input:first-child { grid-column: 1 / -1; }
@media (min-width: 560px) {
  .mix-head { display: grid; }
  .mix-row.other { grid-template-columns: 1.4fr 1fr 1fr 0.8fr; }
  .mix-row.other input:first-child { grid-column: auto; }
}
.amenities { margin-top: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; }
.amenities .lbl { grid-column: 1 / -1; font-size: 14px; font-weight: 600; }
.amenities label { display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 400; }
.amenities input { width: auto; margin: 0; }
.actions { text-align: center; }
.btn { display: inline-block; width: 100%; padding: 14px 18px; border: 0; border-radius: 10px; background: var(--green); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.secondary { width: auto; background: var(--green-2); }
.fine { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.error { color: var(--bad); font-weight: 600; margin: 0 0 12px; }
.done { text-align: center; padding: 40px 16px; }
.done h1 { margin: 0 0 8px; color: var(--green); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 12px 16px 28px; }