/*
 * Northbay Electronics demo store styles (docs/design.md §2 "Store and stage", §3, §8).
 * Always light. Built for OCR: real text, high contrast, no overlapping text, and the whole
 * checkout on the first screen of a 393 x 852 iPhone.
 */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --label: #000000;
  /* design.md's secondary rgba(60,60,67,.6) is about 3.4:1 on white; this grey is about 6.7:1. */
  --secondary: #5b5b60;
  /* design.md's tertiary rgba(60,60,67,.3) is about 1.7:1; this lighter grey still passes 4.5:1. */
  --tertiary: #6e6e73;
  --separator: rgba(60, 60, 67, 0.18);
  --fill: #f2f2f7;
  --accent: #0d7a5f;
  --ink: #111214;
  --ink-busy: #4a4b4f;
  --error: #c4291d;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* --top-gap keeps the header below the 62 pt strip the app crops: about 59 pt status bar + 32 px. */
body {
  --top-gap: 32px;
  margin: 0;
  padding-top: var(--top-gap);
  background: var(--bg);
  color: var(--label);
  font-family: var(--font);
  font-size: 15px;
  line-height: 20px;
  -webkit-font-smoothing: antialiased;
}

body.sheet-open {
  overflow: hidden;
}

/* Fixture switch for the blurry-unreadable screenshot (checkout.html?blur=1). */
body.is-blurred .page {
  filter: blur(6px);
}

p {
  margin: 0;
}

a {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.money {
  font-variant-numeric: tabular-nums;
}

.accent-text {
  color: var(--accent);
  font-weight: 500;
}

/* Holds the <symbol>s that thumbnails and card glyphs reuse; takes no space. */
.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* Page frame: phone width, centred, so a desktop browser looks like the phone. */
.page {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 16px 26px;
}

/* Header */

.site-header {
  display: flex;
  align-items: center;
  min-height: 46px;
  border-bottom: 0.5px solid var(--separator);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 12px 0;
  color: var(--label);
  text-decoration: none;
}

.brand-mark {
  font-size: 17px;
  line-height: 22px;
  font-weight: 800;
  letter-spacing: 2.6px;
}

.brand-sub {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
}

.feed-mark {
  padding: 12px 0;
  font-size: 22px;
  line-height: 26px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

/* Titles and labels */

.page-title {
  margin: 14px 0 10px;
  font-size: 30px;
  line-height: 36px;
  font-weight: 700;
  letter-spacing: -0.7px;
}

.tagline {
  margin-bottom: 6px;
  color: var(--secondary);
}

.label {
  margin: 0 0 3px;
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
  color: var(--secondary);
}

/* Item row (checkout and confirmation) */

.item-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--separator);
}

.thumb {
  flex: none;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--fill);
}

.item-info {
  flex: 1;
  min-width: 0;
}

.item-name {
  font-weight: 600;
  text-wrap: pretty;
}

.item-meta {
  margin-top: 3px;
  font-size: 13px;
  line-height: 18px;
  color: var(--secondary);
}

.item-price {
  font-weight: 600;
  white-space: nowrap;
}

/* Blocks: ship to, contact, delivery */

.block {
  padding: 12px 0;
  border-bottom: 0.5px solid var(--separator);
}

/* Pay with: Mastercard ••5678 [Change] */

.pay-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 0.5px solid var(--separator);
}

.pay-row .label {
  margin: 0;
  white-space: nowrap;
}

.pay-card {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  font-weight: 600;
}

/* Keep "Mastercard ••5678" on one line so OCR reads network and last 4 together. */
#card-label {
  white-space: nowrap;
}

/* Under 360 px the row can't hold all four parts, so "Pay with" moves above the card. */
@media (max-width: 359px) {
  .pay-row {
    flex-wrap: wrap;
    row-gap: 0;
    padding-top: 10px;
  }

  .pay-row .label {
    flex-basis: 100%;
  }
}

.card-glyph {
  flex: none;
  width: 28px;
  height: 20px;
}

.link-button {
  flex: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0 4px 0 12px;
  border: 0;
  background: none;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.link-button:disabled {
  color: var(--secondary);
  cursor: default;
}

/* Summary: Shipping / Total, Paid with / Total */

.summary {
  margin: 0;
  padding: 12px 0 14px;
}

.summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.summary-row + .summary-row {
  margin-top: 6px;
}

.summary dt,
.summary dd {
  margin: 0;
}

.summary dt {
  color: var(--secondary);
}

.summary dd {
  font-weight: 600;
  text-align: right;
}

.summary .total-row dt,
.summary .total-row dd {
  font-size: 19px;
  line-height: 24px;
  font-weight: 700;
  color: var(--label);
}

/* Buttons */

.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font: inherit;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.primary-button:disabled {
  background: var(--ink-busy);
  cursor: progress;
}

.pay-error {
  margin-top: 10px;
  color: var(--error);
  font-weight: 500;
  text-align: center;
}

.pay-error:empty {
  display: none;
}

/* Shop front */

.products {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--separator);
}

/* The footer's top rule closes the list. */
.product:last-child {
  border-bottom: 0;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-price {
  margin-top: 3px;
  font-weight: 600;
}

.buy-button {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

/* Confirmation */

.confirm-hero {
  padding-top: 14px;
}

.check-badge {
  display: block;
  width: 44px;
  height: 44px;
}

.confirm-hero .page-title {
  margin: 10px 0 3px;
}

.order-number {
  margin-top: 6px;
  padding-bottom: 12px;
  border-bottom: 0.5px solid var(--separator);
  font-weight: 600;
}

.status-line {
  margin: 14px 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--fill);
  font-size: 14px;
  line-height: 19px;
  overflow-wrap: anywhere;
}

/* Not found */

.not-found p {
  margin-bottom: 14px;
  color: var(--secondary);
}

/* Footer */

.site-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 0.5px solid var(--separator);
  font-size: 12px;
  line-height: 16px;
  color: var(--tertiary);
}

/* Saved-card bottom sheet */

.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.32);
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 430px;
  margin: 0 auto;
  padding: 6px 16px calc(20px + env(safe-area-inset-bottom));
  border-radius: 16px 16px 0 0;
  background: var(--bg);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.12);
}

.sheet:not([hidden]) {
  animation: sheet-up 200ms ease-out;
}

.sheet-backdrop:not([hidden]) {
  animation: fade-in 200ms ease-out;
}

@keyframes sheet-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: none;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sheet:not([hidden]),
  .sheet-backdrop:not([hidden]) {
    animation: none;
  }
}

.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
}

.sheet-title {
  margin: 0;
  font-size: 17px;
  line-height: 22px;
  font-weight: 700;
}

.card-option {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 52px;
  padding: 0 4px;
  border: 0;
  border-bottom: 0.5px solid var(--separator);
  background: none;
  color: var(--label);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.card-option[aria-checked="true"] {
  font-weight: 600;
}

.radio-mark {
  flex: none;
  width: 22px;
  height: 22px;
  margin-left: auto;
  border: 2px solid #8e8e93;
  border-radius: 50%;
}

.card-option[aria-checked="true"] .radio-mark {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 4px var(--bg);
}

/* Feed (feed.html, a fictional social app for the feed-not-checkout fixture) */

.post {
  padding: 12px 0;
  border-bottom: 0.5px solid var(--separator);
}

.post-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  flex: none;
  width: 40px;
  height: 40px;
}

.post-name {
  font-weight: 600;
}

.post-time {
  font-size: 13px;
  line-height: 18px;
  color: var(--secondary);
}

.post-text {
  margin-top: 8px;
}

.post-picture {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 10px;
  border-radius: 12px;
}

.post-meta {
  margin-top: 8px;
  font-size: 13px;
  line-height: 18px;
  color: var(--secondary);
}