:root {
  --paper: #f7efe3;
  --sand: #d2b28f;
  --sand-deep: #bd966f;
  --ink: #31251d;
  --muted: #755f4d;
  --line: rgba(49, 37, 29, .16);
  --leaf: #61705d;
  --blue: #687987;
  --white: #fffaf3;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 239, 227, .92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand img,
.footer img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 15px;
}

.line-link,
.primary-btn,
.secondary-btn,
.button-like,
.checkout-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  font-weight: 700;
}

.line-link,
.primary-btn,
.button-like,
.checkout-form button {
  background: var(--ink);
  color: var(--white);
}

.secondary-btn {
  background: transparent;
}

.button-like {
  font: inherit;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, .98fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 80px) 36px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--sand-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-visual {
  min-height: 520px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(49, 37, 29, .08) 1px, transparent 1px),
    linear-gradient(rgba(49, 37, 29, .08) 1px, transparent 1px);
  background-size: 28px 28px;
  border-left: 1px solid var(--line);
}

.photo-stack {
  position: relative;
  width: min(410px, 80vw);
  aspect-ratio: 4 / 5;
}

.sample-photo {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--sand);
  box-shadow: 12px 12px 0 rgba(49, 37, 29, .12);
}

.main-photo {
  inset: 0 9% 8% 0;
}

.small-photo {
  right: 0;
  bottom: 0;
  width: 42%;
  aspect-ratio: 1;
  color: var(--white);
  background: var(--leaf);
  font-family: Georgia, serif;
  font-size: 24px;
  line-height: 1.1;
  text-align: center;
}

.camera-body,
.mini-camera {
  position: relative;
  width: 68%;
  aspect-ratio: 1.55;
  border: 10px solid var(--ink);
  background: #e8d2b8;
}

.camera-body::before,
.mini-camera::before {
  content: "";
  position: absolute;
  top: -34px;
  left: 15%;
  width: 38%;
  height: 34px;
  border: 10px solid var(--ink);
  border-bottom: 0;
  background: #e8d2b8;
}

.lens {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 35%;
  aspect-ratio: 1;
  border: 10px solid var(--ink);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.flash {
  position: absolute;
  top: 18%;
  right: 12%;
  width: 18%;
  height: 14%;
  background: var(--ink);
}

.grip {
  position: absolute;
  top: 24%;
  left: 8%;
  width: 10%;
  height: 52%;
  background: var(--ink);
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
}

.trust-band div {
  padding: 24px clamp(18px, 4vw, 56px);
  border-right: 1px solid rgba(255, 250, 243, .25);
}

.trust-band strong {
  display: block;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.1;
}

.trust-band span {
  color: rgba(255, 250, 243, .76);
}

.shop-hero {
  padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 80px);
  border-bottom: 1px solid var(--line);
  background: #efe1cf;
}

.shop-hero h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: .98;
}

.section-actions {
  margin-top: 24px;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 80px);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2,
.detail-copy h2 {
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

.section-heading p,
.detail-copy p {
  color: var(--muted);
}

.shop-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -8px 0 24px;
}

.shop-tabs button {
  min-height: 42px;
  border: 1px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  padding: 0 14px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.shop-tabs button.is-active {
  background: var(--ink);
  color: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: block;
  border: 1px solid var(--line);
  background: var(--white);
  transition: transform .18s ease, box-shadow .18s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 10px 10px 0 rgba(49, 37, 29, .1);
}

.product-card.is-sold {
  opacity: .78;
}

.product-image {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 280px;
  border-bottom: 1px solid var(--line);
}

.product-image.warm {
  background: #d9b98f;
}

.product-image.green {
  background: #a9b09b;
}

.product-image.blue {
  background: #9ba9b0;
}

.addon-product-card {
  display: grid;
  grid-template-rows: auto 1fr;
}

.addon-image {
  min-height: 220px;
  background: #efe1cf;
}

.addon-image strong {
  font-size: clamp(42px, 6vw, 72px);
  letter-spacing: 0;
}

.addon-image img,
.addon-choice-image img,
.sku-thumb img,
.accessory-image-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.addon-image.battery {
  background: #d7c7a6;
}

.addon-image.memory {
  background: #b7c1b1;
}

.addon-image.reader {
  background: #b7bcc4;
}

.addon-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(49, 37, 29, .38);
}

.addon-modal[hidden] {
  display: none;
}

.addon-modal-panel {
  position: relative;
  display: grid;
  gap: 16px;
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 40px));
  overflow: auto;
  border: 1px solid var(--ink);
  background: var(--white);
  padding: clamp(20px, 4vw, 34px);
  box-shadow: 14px 14px 0 rgba(49, 37, 29, .18);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  min-height: 36px;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0 10px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.addon-choice-list {
  display: grid;
  gap: 10px;
}

.addon-choice-list article {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fbf5ed;
}

.addon-choice-image,
.sku-thumb,
.accessory-image-preview {
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fbf5ed;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.addon-choice-image,
.sku-thumb {
  width: 64px;
  height: 64px;
}

.accessory-image-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 8px;
  min-height: 92px;
  padding: 8px;
}

.accessory-image-preview img {
  height: 76px;
}

.addon-choice-list strong,
.addon-choice-list span {
  display: block;
}

.addon-choice-list span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.addon-choice-list button {
  min-height: 40px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  padding: 0 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.sold-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 10px;
  border: 1px solid var(--ink);
  background: var(--white);
  font-size: 13px;
  font-weight: 700;
}

.sold-tag.muted {
  color: var(--white);
  background: var(--ink);
}

.mini-camera {
  width: 58%;
  border-width: 8px;
}

.product-photo,
.detail-photo,
.admin-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  padding: 20px;
}

.brand-name {
  margin-bottom: 4px;
  color: var(--sand-deep);
  font-size: 13px;
  font-weight: 800;
}

.product-info h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.product-info p {
  color: var(--muted);
}

.option-picker {
  display: grid;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 900;
}

.option-picker select {
  min-height: 42px;
  border: 1px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  padding: 0 10px;
  font: inherit;
  font-weight: 800;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.card-actions.single-action {
  grid-template-columns: 1fr;
}

.card-actions button,
.compact-btn {
  min-height: 40px;
  border: 1px solid var(--ink);
  padding: 0 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.card-actions button {
  background: var(--ink);
  color: var(--white);
}

.card-actions button:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-weight: 700;
}

.detail-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: #efe1cf;
}

.checklist {
  border-top: 1px solid var(--ink);
}

.checklist div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.checklist span {
  width: 18px;
  height: 18px;
  border: 4px solid var(--ink);
  border-radius: 50%;
}

.checkout-section {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(320px, 1fr);
  gap: 32px;
  align-items: start;
}

.compact {
  margin-bottom: 0;
}

.checkout-form {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--ink);
  background: var(--white);
}

.checkout-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.checkout-form input,
.checkout-form select,
.checkout-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  font: inherit;
}

.checkout-form textarea {
  min-height: 92px;
  padding-top: 10px;
  resize: vertical;
}

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(320px, .95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
  padding: clamp(36px, 7vw, 84px) clamp(20px, 6vw, 80px);
}

.product-gallery {
  display: grid;
  gap: 14px;
}

.hero-product-image {
  aspect-ratio: 4 / 3;
  min-height: 0;
  border: 1px solid var(--ink);
}

.hero-product-image .detail-photo {
  display: block;
}

.hero-product-image .mini-camera {
  width: min(62%, 380px);
}

.sample-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.sample-grid button,
.sample-grid div {
  display: grid;
  place-items: center;
  min-height: 104px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 18px;
}

.sample-grid button {
  padding: 0;
  cursor: pointer;
}

.sample-grid button.is-active {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--ink);
}

.sample-grid img {
  width: 100%;
  min-height: 104px;
  height: 100%;
  object-fit: cover;
  background: var(--white);
}

.product-summary h1 {
  margin-bottom: 16px;
}

.product-info-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.product-info-badges span,
.product-info-badges a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 0 10px;
  font-size: 13px;
  font-weight: 900;
}

.product-info-badges a {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.back-link {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: baseline;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.price-row strong {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1;
}

.price-row span {
  color: var(--muted);
  font-weight: 700;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: minmax(240px, .58fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  background: #efe1cf;
}

.product-detail-grid h2 {
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

.product-detail-grid p {
  color: var(--muted);
}

.spec-list {
  display: grid;
  border-top: 1px solid var(--ink);
}

.spec-list div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ink);
}

.spec-list span {
  color: var(--muted);
  font-weight: 700;
}

.spec-list strong {
  font-size: 18px;
}

.checkout-form button {
  width: 100%;
  border-radius: 0;
  cursor: pointer;
  font: inherit;
}

.checkout-form button:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.field-hint,
.muted-line {
  color: var(--muted);
  font-size: 14px;
}

.addon-box {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  background: #fbf5ed;
}

.addon-box h3 {
  margin: 0;
  font-size: 18px;
}

.cart-section {
  min-height: 70vh;
}

.cart-list {
  display: grid;
  gap: 14px;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--white);
}

.cart-item h3 {
  margin-bottom: 6px;
}

.cart-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cart-controls input {
  width: 74px;
  min-height: 40px;
  border: 1px solid var(--ink);
  padding: 0 10px;
  font: inherit;
}

.cart-controls button {
  min-height: 40px;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0 12px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.cart-summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--ink);
}

.cart-summary strong {
  font-size: 28px;
}

.is-disabled {
  opacity: .45;
  pointer-events: none;
}

.empty-state {
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  font-weight: 700;
}

.empty-state.dark {
  border-color: rgba(255, 250, 243, .28);
  background: transparent;
  color: rgba(255, 250, 243, .72);
}

.sold-notice {
  max-width: 760px;
  padding: clamp(24px, 5vw, 44px);
  border: 1px solid var(--ink);
  background: var(--white);
}

.sold-notice h2 {
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
}

.admin-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .8fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 80px);
  border-bottom: 1px solid var(--line);
}

.admin-hero h1 {
  margin-bottom: 18px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
  background: var(--white);
}

.admin-stats div {
  padding: 20px;
  border-right: 1px solid var(--line);
}

.admin-stats div:last-child {
  border-right: 0;
}

.admin-stats span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.admin-stats strong {
  display: block;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(240px, .6fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: #efe1cf;
}

.admin-form {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--ink);
  background: var(--white);
}

.admin-panel {
  margin-top: 18px;
}

.admin-toggle-btn {
  min-height: 44px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  padding: 0 16px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.secondary-toggle {
  margin-top: 18px;
  background: transparent;
  color: var(--ink);
}

.compact-form {
  margin-bottom: 18px;
}

.admin-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  font: inherit;
}

.admin-form textarea {
  min-height: 92px;
  padding-top: 10px;
  resize: vertical;
}

.admin-form .full-span {
  grid-column: 1 / -1;
}

.addon-image.accessory {
  background: #d8c7ad;
}

.variant-editor {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.variant-heading,
.variant-row {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 0.85fr 0.85fr 1fr 76px auto;
  gap: 10px;
  align-items: end;
}

.variant-heading {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.variant-heading h3 {
  margin: 0;
}

.variant-rows {
  display: grid;
  gap: 10px;
}

.variant-image-preview {
  display: grid;
  place-items: center;
  min-height: 54px;
  border: 1px dashed var(--line);
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.variant-image-preview img {
  width: 100%;
  height: 54px;
  object-fit: cover;
}

.article-editor {
  min-height: 260px;
  line-height: 1.75;
}

.article-page {
  max-width: 920px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-weight: 900;
  text-decoration: none;
}

.article-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.article-photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.article-content {
  display: grid;
  gap: 16px;
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.article-content p {
  margin: 0;
}

.photo-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  min-height: 86px;
  padding: 10px;
  border: 1px dashed var(--sand-deep);
  background: #fbf5ed;
}

.photo-preview img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
}

.photo-preview span {
  grid-column: 1 / -1;
  align-self: center;
  color: var(--muted);
  font-size: 14px;
}

.checkbox-field {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
}

.checkbox-field legend {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

#memoryOptionList {
  display: grid;
  gap: 8px;
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.inline-check input {
  width: 18px;
  min-height: 18px;
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.admin-form button,
.admin-actions button,
.secondary-admin-btn {
  min-height: 42px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  padding: 0 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.secondary-admin-btn,
.admin-actions button {
  background: transparent;
  color: var(--ink);
}

.admin-form button:disabled,
.admin-actions button:disabled,
.secondary-admin-btn:disabled {
  opacity: .58;
  cursor: wait;
}

.admin-form button.is-loading {
  position: relative;
}

.admin-form button.is-loading::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 999px;
  vertical-align: -2px;
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.admin-list {
  display: grid;
  gap: 14px;
}

.memory-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--white);
}

.memory-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.memory-matrix th,
.memory-matrix td {
  min-width: 118px;
  padding: 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.memory-matrix thead th,
.memory-matrix tbody th {
  background: #fbf5ed;
  color: var(--ink);
  font-weight: 900;
}

.memory-matrix tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
}

.memory-matrix .empty-cell {
  color: var(--muted);
  text-align: center;
}

.matrix-stock {
  display: grid;
  gap: 6px;
}

.matrix-stock strong {
  font-size: 24px;
  line-height: 1;
}

.matrix-stock span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.matrix-stock div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.memory-workspace {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.memory-sidebar {
  position: sticky;
  top: 88px;
}

.memory-tabs {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.memory-tabs button {
  display: grid;
  gap: 2px;
  min-height: 58px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 10px 12px;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.memory-tabs button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.memory-tabs span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.memory-tabs button.is-active span {
  color: rgba(255, 250, 243, .72);
}

.memory-main {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.memory-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.memory-sku-form {
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  align-items: end;
}

.reader-panel {
  display: grid;
  grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.sku-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--white);
}

.sku-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
}

.sku-table th,
.sku-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.sku-table thead th {
  background: #fbf5ed;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.sku-table tbody tr:last-child td {
  border-bottom: 0;
}

.stock-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(37, 83, 53, .35);
  color: #255335;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 900;
}

.stock-pill.is-low {
  border-color: #a76521;
  color: #a76521;
}

.stock-pill.is-empty {
  border-color: #8b2f2f;
  color: #8b2f2f;
}

.sku-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sku-actions button {
  min-height: 34px;
  border: 1px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  padding: 0 10px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.sku-actions .danger-btn {
  border-color: #8b2f2f;
  color: #8b2f2f;
}

.matrix-stock button {
  min-height: 30px;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0 6px;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

#batteryList {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

#batteryList .accessory-item {
  grid-template-columns: 1fr;
  align-items: start;
}

#batteryList .admin-actions {
  grid-template-columns: repeat(3, 1fr);
}

.admin-tools {
  display: grid;
  grid-template-columns: minmax(220px, 420px) 1fr;
  align-items: end;
  gap: 14px;
  margin-bottom: 18px;
}

.search-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.search-field input {
  min-height: 44px;
  border: 1px solid var(--ink);
  background: var(--white);
  padding: 0 12px;
  font: inherit;
}

.admin-menu-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.admin-menu-card {
  display: grid;
  gap: 12px;
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.admin-menu-card span {
  color: var(--sand-deep);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.admin-menu-card strong {
  font-size: 28px;
  line-height: 1.15;
}

.admin-menu-card p {
  color: var(--muted);
}

.accessory-list {
  margin-top: 18px;
}

.admin-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--white);
}

.admin-thumb {
  display: grid;
  place-items: center;
  overflow: hidden;
  min-height: 136px;
  border: 1px solid var(--line);
}

.admin-thumb .mini-camera {
  width: 70%;
}

.admin-actions {
  display: grid;
  gap: 8px;
  align-content: center;
}

.accessory-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--white);
}

.order-list {
  display: grid;
  gap: 12px;
}

.order-item {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 250, 243, .28);
}

.order-item:last-child {
  border-bottom: 1px solid rgba(255, 250, 243, .28);
}

.order-item span,
.order-item p {
  margin: 0;
  color: rgba(255, 250, 243, .72);
}

.order-item h3,
.order-item strong {
  color: var(--white);
}

.journal-section {
  background: var(--ink);
  color: var(--white);
}

.journal-section .section-heading p {
  color: rgba(255, 250, 243, .72);
}

.article-list {
  display: grid;
  border-top: 1px solid rgba(255, 250, 243, .28);
}

.article-list a {
  display: grid;
  grid-template-columns: 70px 1fr minmax(180px, .7fr);
  gap: 20px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 250, 243, .28);
}

.article-list span {
  color: var(--sand);
  font-family: Georgia, serif;
  font-size: 30px;
}

.article-list strong {
  font-size: clamp(20px, 3vw, 30px);
}

.article-list em {
  color: rgba(255, 250, 243, .68);
  font-style: normal;
}

.floating-line {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 11;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid var(--ink);
  background: #06c755;
  color: #fff;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(49, 37, 29, .22);
}

.footer {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 28px clamp(20px, 6vw, 80px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer strong {
  display: block;
  color: var(--ink);
}

.footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    display: flex;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-top: 10px;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .hero,
  .detail-section,
  .checkout-section,
  .product-detail-hero,
  .product-detail-grid,
  .admin-hero,
  .admin-layout,
  .memory-workspace,
  .reader-panel,
  .admin-item,
  .order-item,
  .cart-item,
  .admin-tools,
  .admin-menu-grid {
    grid-template-columns: 1fr;
  }

  .variant-row {
    grid-template-columns: 1fr;
  }

  .product-detail-hero {
    align-items: stretch;
    gap: 24px;
    padding: 24px 16px 36px;
  }

  .product-gallery,
  .product-summary {
    min-width: 0;
  }

  .product-summary {
    padding: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 420px;
    border-left: 0;
  }

  .product-grid,
  .trust-band {
    grid-template-columns: 1fr;
  }

  .memory-sidebar {
    position: static;
  }

  .memory-tabs {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .memory-tabs button {
    flex: 0 0 150px;
  }

  .memory-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .memory-sku-form {
    grid-template-columns: 1fr 1fr;
  }

  .addon-choice-list article {
    grid-template-columns: 1fr;
  }

  .trust-band div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 250, 243, .25);
  }

  .article-list a {
    grid-template-columns: 50px 1fr;
  }

  .article-list em {
    grid-column: 2;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 16px;
  }

  .line-link {
    display: inline-flex;
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .floating-line {
    right: 14px;
    bottom: 14px;
    width: 56px;
    height: 56px;
    font-size: 13px;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 17px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .product-image {
    min-height: 230px;
  }

  .spec-list div {
    grid-template-columns: 1fr;
  }

  .sample-grid {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .sample-grid button,
  .sample-grid div {
    flex: 0 0 76px;
    width: 76px;
    min-height: 76px;
  }

  .sample-grid img {
    min-height: 76px;
  }

  .hero-product-image {
    aspect-ratio: 1 / 1;
    min-height: 0;
    overflow: hidden;
  }

  .product-summary h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  .price-row strong {
    font-size: 34px;
  }

  .product-detail-hero .hero-actions {
    grid-template-columns: 1fr;
  }

  .admin-stats,
  .form-actions,
  .photo-preview {
    grid-template-columns: 1fr;
  }

  .admin-stats div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .admin-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}