:root {
  --accent: #1f5f4a;
  --accent-ink: #ffffff;
  --accent-soft: #e6efe9;
  --ink: #1d1d1b;
  --ink-muted: #5a5a55;
  --line: #dcd9d0;
  --surface: #ffffff;
  --canvas: #faf8f4;
  --danger: #a3261b;
  --warn-bg: #fff4d6;
  --warn-ink: #4a3500;
  --radius: 8px;
  --wrap: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; overflow-wrap: anywhere; }
main { flex: 1; padding-top: 24px; padding-bottom: 48px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: 2rem; }
h2 { font-size: 1.375rem; }
.h3 { font-size: 1rem; margin-top: 24px; }
p { margin: 0 0 12px; }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.muted { color: var(--ink-muted); }

.lab-banner {
  position: sticky; top: 0; z-index: 10;
  background: var(--warn-bg); color: var(--warn-ink);
  border-bottom: 1px solid #e8d394;
  padding: 8px 20px; text-align: center; font-size: 0.875rem; font-weight: 600;
}

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.125rem; color: var(--ink); text-decoration: none; letter-spacing: 0.01em; }
.site-nav { display: flex; gap: 20px; align-items: center; }
.site-nav a { color: var(--ink); text-decoration: none; padding: 6px 0; }
.site-nav a:hover { text-decoration: underline; }
.site-nav a[aria-current="page"] { font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.cart-count {
  display: inline-block; min-width: 22px; padding: 0 6px; margin-left: 2px;
  border-radius: 11px; background: var(--accent); color: var(--accent-ink);
  font-size: 0.75rem; font-weight: 700; line-height: 22px; text-align: center;
}

.site-footer { background: var(--surface); border-top: 1px solid var(--line); font-size: 0.875rem; color: var(--ink-muted); }
.footer-row { display: flex; justify-content: space-between; gap: 16px; padding-top: 20px; padding-bottom: 20px; flex-wrap: wrap; }
.footer-row p { margin: 0; }
.footer-row nav { display: flex; gap: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 20px; border-radius: var(--radius);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid var(--accent);
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--surface); color: var(--accent); }
.btn-link { background: none; border: 0; color: var(--accent); padding: 4px 0; min-height: 0; text-decoration: underline; font-weight: 500; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; filter: none; }
.btn-wide { flex: 1 1 200px; }

.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; padding: 24px 0 40px; }
.kicker { color: var(--accent); font-weight: 600; }
.hero h1 { font-size: 2.5rem; }
.lede { font-size: 1.125rem; color: var(--ink-muted); margin-bottom: 24px; }
.hero-media { display: block; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }

.section { padding-top: 16px; }
.product-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.product-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card-link { display: grid; gap: 2px; color: var(--ink); text-decoration: none; padding-bottom: 14px; }
.card-link img { margin-bottom: 10px; }
.card-name, .card-variant, .card-price { padding: 0 14px; }
.card-name { font-weight: 600; }
.card-variant { color: var(--ink-muted); font-size: 0.875rem; }
.card-price { font-weight: 600; }
.card-link:hover .card-name { text-decoration: underline; }

.crumbs { font-size: 0.875rem; color: var(--ink-muted); margin-bottom: 16px; }
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.pdp-media { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.pdp-variant { color: var(--ink-muted); }
.pdp-price { font-size: 1.5rem; font-weight: 700; }
.buy-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin: 20px 0 8px; }
.qty-label { flex-basis: 100%; font-weight: 600; font-size: 0.875rem; }
.qty-control { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.qty-btn { width: 44px; min-height: 44px; border: 0; background: none; font: inherit; font-size: 1.25rem; cursor: pointer; color: var(--ink); }
.qty-btn:hover { background: var(--accent-soft); }
.qty-btn[disabled] { color: #a5a49f; cursor: not-allowed; background: none; }
.qty-input { width: 52px; border: 0; border-left: 1px solid var(--line); border-right: 1px solid var(--line); text-align: center; font: inherit; color: var(--ink); -moz-appearance: textfield; }
.qty-input::-webkit-outer-spin-button, .qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.details { padding-left: 20px; margin: 0; }
.details li { margin-bottom: 4px; }

.notice { min-height: 1.5em; font-weight: 500; }
.notice a { font-weight: 600; }

.cart-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.line-items { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.line-item { display: grid; grid-template-columns: 96px 1fr auto; gap: 16px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.line-item img { border-radius: 6px; border: 1px solid var(--line); }
.line-name { font-weight: 600; color: var(--ink); text-decoration: none; }
.line-name:hover { text-decoration: underline; }
.line-meta { color: var(--ink-muted); font-size: 0.875rem; margin: 0 0 8px; }
.line-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.line-total { font-weight: 600; text-align: right; white-space: nowrap; }

.summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.summary-row { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.summary-total { font-weight: 700; font-size: 1.125rem; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.summary .btn { width: 100%; margin-top: 16px; }
.summary .fine { font-size: 0.8125rem; color: var(--ink-muted); margin-top: 12px; margin-bottom: 0; }

.empty { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 24px; text-align: center; }
.empty p { color: var(--ink-muted); }

.status-box { border: 1px solid var(--line); border-left-width: 4px; border-radius: var(--radius); background: var(--surface); padding: 14px 16px; margin: 16px 0; }
.status-box[data-state="sent"] { border-left-color: var(--accent); }
.status-box[data-state="waiting"], .status-box[data-state="sending"], .status-box[data-state="unconfirmed"] { border-left-color: #b78a00; }
.status-box[data-state="failed"], .status-box[data-state="blocked"] { border-left-color: var(--danger); }
.status-box[data-state="none"] { border-left-color: var(--ink-muted); }
.status-box p:last-child { margin-bottom: 0; }
.status-label { font-weight: 700; }
.order-id { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.875rem; word-break: break-all; }

@media (max-width: 820px) {
  .hero, .pdp, .cart-layout { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding-top: 8px; }
  .hero h1 { font-size: 2rem; }
  h1 { font-size: 1.625rem; }
}
@media (max-width: 480px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .lab-banner { padding: 8px 12px; font-size: 0.8125rem; }
  .header-row { min-height: 56px; padding-top: 8px; padding-bottom: 8px; }
  .site-nav { gap: 16px; }
  .line-item { grid-template-columns: 72px 1fr; }
  .line-total { grid-column: 2; text-align: left; }
}