/* qrcode.io/help. Tokens, type scale and components from DESIGN.md (pill buttons, 12px
   cards, the amber notice callout). */
:root {
  --ld-ink: #0e1f38; --ld-body: #3c4a5f; --ld-muted: #64748d;
  --ld-primary: #4347c4; --ld-primary-press: #34389b; --ld-teal: #0e9d96;
  --ld-canvas: #ffffff; --ld-canvas-soft: #f6f9fc; --ld-hairline: #e3e8ee; --ld-amber: #b45309;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ld-canvas-soft); color: var(--ld-body);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.top { background: var(--ld-canvas); border-bottom: 1px solid var(--ld-hairline); }
.top .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 56px; }
.brand { color: var(--ld-ink); font-weight: 650; text-decoration: none; }
.brand span { color: var(--ld-primary); }
.home { color: var(--ld-muted); font-size: 14px; }
main.wrap { padding-top: 48px; padding-bottom: 64px; }
h1 { color: var(--ld-ink); font-size: 34px; font-weight: 650; line-height: 1.15;
  letter-spacing: -0.5px; margin: 0 0 24px; }
h2 { color: var(--ld-ink); font-size: 24px; font-weight: 650; line-height: 1.2; margin: 40px 0 16px; }
h3 { color: var(--ld-ink); font-size: 20px; font-weight: 600; line-height: 1.3; margin: 0 0 8px; }
a { color: var(--ld-primary); }
a:hover { color: var(--ld-primary-press); }
.muted { color: var(--ld-muted); font-size: 13px; }
.card { display: block; background: var(--ld-canvas); border: 1px solid var(--ld-hairline);
  border-radius: 12px; padding: 24px; margin: 0 0 16px; }
a.card { color: inherit; text-decoration: none; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--ld-muted); transform: translateY(-2px); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid .card { margin: 0; }
.notice, .ok { background: var(--ld-canvas); border: 1px solid var(--ld-hairline);
  border-radius: 0 12px 12px 0; padding: 16px 24px; margin: 0 0 16px; }
.notice { border-left: 3px solid var(--ld-amber); }
.ok { border-left: 3px solid var(--ld-teal); }
label { display: block; color: var(--ld-ink); font-weight: 600; margin: 16px 0 8px; }
input[type=text], input[type=email], input[type=date], select, textarea {
  width: 100%; min-height: 44px; padding: 10px 14px; font: inherit; color: var(--ld-ink);
  border: 1px solid var(--ld-hairline); border-radius: 12px; background: var(--ld-canvas); }
textarea { resize: vertical; }
.row { display: grid; gap: 16px; grid-template-columns: 2fr 1fr 1fr; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: 0 24px; margin: 16px 8px 0 0; border-radius: 9999px; border: 1px solid var(--ld-hairline);
  background: var(--ld-canvas); color: var(--ld-ink); font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--ld-primary); border-color: var(--ld-primary); color: #fff; }
.btn.primary:hover { background: var(--ld-primary-press); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.md { overflow-x: auto; }
.answer { white-space: pre-line; }
input.confirm { max-width: 12em; text-transform: uppercase; letter-spacing: 1px; }
table { border-collapse: collapse; font-variant-numeric: tabular-nums; margin: 16px 0; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--ld-hairline); }
th { color: var(--ld-ink); font-size: 13px; font-weight: 600; }
.foot { border-top: 1px solid var(--ld-hairline); background: var(--ld-canvas); padding: 24px 0; }
.foot p { margin: 8px 0; }
@media (max-width: 600px) {
  h1 { font-size: 28px; }
  main.wrap { padding-top: 32px; }
  .row { grid-template-columns: 1fr; }
}