.product-detail-page { padding-bottom: calc(var(--purchase-bar-height, 80px) + 32px); }
.mobile-purchase-bar:not([hidden]) {
  position: fixed; z-index: 580; bottom: max(16px, env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%); width: min(680px, calc(100% - 32px));
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 12px 16px; box-sizing: border-box; border: 1px solid var(--color-fog);
  border-radius: 20px; background: var(--snow); color: var(--harbor);
  box-shadow: 0 8px 32px rgb(25 45 35 / 16%);
}
.mobile-purchase-bar > div { display: grid; gap: 3px; flex: 1; min-width: 80px; }
.mobile-purchase-bar > div > span { font-size: 12px; }
.mobile-purchase-bar > div > strong { font-size: 17px; }
.mobile-purchase-bar > a, .mobile-purchase-bar > button {
  display: inline-flex; justify-content: center; align-items: center; min-height: 46px;
  padding: 10px 24px; border: 0; border-radius: 999px; background: var(--harbor);
  color: var(--snow); font: inherit; font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer;
}
.mobile-purchase-bar > [hidden] { display: none; }
.mobile-purchase-bar > [aria-disabled="true"] { opacity: .5; pointer-events: none; }
.mobile-purchase-bar > .npay-purchase { width: 100%; margin: 0; padding: 0; border: 0; }
.mobile-purchase-bar .npay-purchase__label { display: none; }
.mobile-purchase-bar .npay-button-container { min-height: 44px; max-width: 320px; margin: auto; }
.mobile-purchase-bar .npay-status:empty { display: none; }
.product-detail-page .rdcart-btn--float { bottom: calc(var(--purchase-bar-height, 80px) + 32px); }
@media (max-width: 600px) {
  .mobile-purchase-bar:not([hidden]) { width: calc(100% - 20px); bottom: max(10px, env(safe-area-inset-bottom)); padding: 10px 12px; gap: 8px; }
  .mobile-purchase-bar > a, .mobile-purchase-bar > button { padding: 10px 18px; }
}

.mobile-purchase-bar > a:hover, .mobile-purchase-bar > button:hover { background: var(--ink); }
.mobile-purchase-bar > a:focus-visible, .mobile-purchase-bar > button:focus-visible { outline: 3px solid var(--harbor); outline-offset: 3px; }
.product-detail-actions .direct-buy-link { background: var(--harbor); border-color: var(--harbor); color: var(--snow); }
.product-detail-actions .direct-buy-link:hover { background: var(--ink); border-color: var(--ink); color: var(--snow); }

/* The native select shares the product option state; the stepper uses checkout limits. */
.mobile-purchase-bar > .purchase-controls { order: 3; flex: 0 0 100%; display: grid; grid-template-columns: minmax(0, 1fr) 120px; gap: 5px 12px; min-width: 0; }
.mobile-purchase-bar > .npay-purchase { order: 4; }
.purchase-option { display: grid; gap: 5px; min-width: 0; font-size: 12px; font-weight: 650; }
.purchase-option select { width: 100%; min-width: 0; min-height: 42px; padding: 8px 10px; border: 1px solid var(--color-fog); border-radius: 10px; background: var(--snow); color: var(--ink); font: inherit; font-size: 14px; cursor: pointer; }
.purchase-option select:disabled { cursor: default; color: var(--harbor); background: var(--ivory); }
.purchase-quantity { display: grid; gap: 5px; font-size: 12px; font-weight: 650; }
.purchase-stepper { display: grid; grid-template-columns: 38px 1fr 38px; align-items: center; border: 1px solid var(--color-fog); border-radius: 10px; overflow: hidden; }
.purchase-stepper button { min-height: 40px; padding: 0; border: 0; background: var(--snow); color: var(--harbor); font: inherit; font-size: 20px; cursor: pointer; }
.purchase-stepper button:hover:not(:disabled) { background: var(--ivory); }
.purchase-stepper button:disabled { opacity: .4; cursor: default; }
.purchase-stepper output { text-align: center; font-size: 14px; font-variant-numeric: tabular-nums; }
.purchase-option select:focus-visible, .purchase-stepper button:focus-visible { outline: 2px solid var(--harbor); outline-offset: -3px; }
.purchase-controls > p { grid-column: 1 / -1; margin: 0; font-size: 11px; line-height: 1.45; color: var(--harbor); }
@media (max-width: 360px) { .mobile-purchase-bar > .purchase-controls { grid-template-columns: minmax(0, 1fr) 104px; gap: 5px 8px; } .purchase-stepper { grid-template-columns: 32px 1fr 32px; } }

/* Compact fixed purchase bar: selection above, purchase actions side by side. */
.mobile-purchase-bar:not([hidden]) { display: grid; grid-template-columns: 104px minmax(0, 1fr); width: min(580px, calc(100% - 24px)); gap: 8px 12px; padding: 10px 12px; border-radius: 16px; }
.mobile-purchase-bar > div:first-child { gap: 0; min-width: 0; line-height: 1.4; }
.mobile-purchase-bar > div:first-child > span { font-size: 11px; }
.mobile-purchase-bar > div:first-child > strong { font-size: 16px; line-height: 1.5; }
.mobile-purchase-bar > .purchase-controls { order: initial; grid-column: 2; grid-row: 1; grid-template-columns: minmax(0, 1fr) 100px; gap: 4px 8px; }
.mobile-purchase-bar .purchase-option, .mobile-purchase-bar .purchase-quantity { gap: 3px; font-size: 11px; line-height: 1.3; }
.mobile-purchase-bar .purchase-option select { min-height: 38px; padding: 6px 8px; font-size: 13px; }
.mobile-purchase-bar .purchase-stepper { grid-template-columns: 30px 1fr 30px; }
.mobile-purchase-bar .purchase-stepper button { min-height: 36px; }
.mobile-purchase-bar .purchase-controls > p { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.mobile-purchase-bar > a { grid-column: 1; grid-row: 2; min-height: 40px; padding: 8px 12px; font-size: 13px; }
.mobile-purchase-bar > .npay-purchase { order: initial; grid-column: 2; grid-row: 2; min-width: 0; }
.mobile-purchase-bar .npay-button-container { min-height: 40px; margin: 0; max-width: none; }
.mobile-purchase-bar .npay-status { margin: 4px 0 0; }
@media (max-width: 480px) {
  .mobile-purchase-bar:not([hidden]) { grid-template-columns: 88px minmax(0, 1fr); gap: 6px 8px; bottom: max(8px, env(safe-area-inset-bottom)); padding: 8px 10px; }
  .mobile-purchase-bar > div:first-child { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 8px; }
  .mobile-purchase-bar > .purchase-controls { grid-column: 1 / -1; grid-row: 2; }
  .mobile-purchase-bar > a, .mobile-purchase-bar > .npay-purchase { grid-row: 3; }
}
@media (max-width: 360px) {
  .mobile-purchase-bar:not([hidden]) { grid-template-columns: 56px minmax(0, 1fr); }
  .mobile-purchase-bar > a { padding-inline: 4px; font-size: 12px; white-space: nowrap; }
}