/* Shared signature product page and private preview. Ordinary shops are unchanged. */
.signature-product-surface {
  --sd-ink: var(--signature-detail-accent, var(--shop-ink, var(--brand, #254c3c)));
  --sd-bg: var(--signature-detail-bg, var(--shop-bg, #f6f3eb));
  --sd-line: color-mix(in srgb, var(--sd-ink) 19%, transparent);
  --sd-soft: color-mix(in srgb, var(--sd-ink) 5%, var(--sd-bg));
  --sd-heading: var(--signature-detail-font, var(--heading-font, Georgia, "Noto Serif KR", serif));
  color: var(--sd-ink);
  background: var(--sd-bg);
}
.shop-body #shop-product.signature-product-surface {
  width: min(1380px, calc(100% - 64px));
  max-width: 1380px;
  padding: 0;
  border: 1px solid var(--sd-line);
  border-radius: 0;
  margin: 24px auto 80px;
  color: var(--sd-ink);
  background: var(--sd-bg);
}
.shop-body dialog#shop-product.signature-product-surface {
  max-height: 94dvh;
  margin: auto;
  overflow-y: auto;
}
.signature-product-surface .dialog-heading {
  justify-content: flex-start;
  margin: 0;
  padding: 22px 40px 0;
}
.signature-product-surface .dialog-heading #product-title {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.signature-product-surface #close-product {
  color: var(--sd-ink);
  border: 0;
  background: transparent;
  padding: 10px 0;
  min-height: 44px;
  text-align: left;
}
.signature-product-detail {
  font-family: inherit;
  color: var(--sd-ink);
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.signature-product-detail *, .signature-product-detail *::before, .signature-product-detail *::after {
  box-sizing: border-box;
}
.signature-product-detail [id] { scroll-margin-top: 90px; }
.signature-product-detail p { margin: 0; }
.signature-product-detail img { display: block; max-width: 100%; max-height: none; }
.signature-product-surface .signature-product-detail h1, .signature-product-surface .signature-product-detail h2, .signature-product-surface .signature-product-detail h3 {
  margin: 0;
  color: inherit;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.signature-product-surface .signature-product-detail h1, .signature-product-surface .signature-product-detail h2 {
  font-family: var(--sd-heading);
  font-weight: 500;
  letter-spacing: -.035em;
}
.signature-product-detail button { float: none; font: inherit; cursor: pointer; }
.signature-product-detail button:focus-visible,
.signature-product-surface > button:focus-visible,
.signature-product-detail input:focus-visible,
.signature-product-detail select:focus-visible,
.signature-product-detail .product-slide-track:focus-visible {
  outline: 2px solid var(--sd-ink);
  outline-offset: 4px;
}
.signature-product-detail section:focus { outline: none; }
.signature-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 76px);
  padding: 32px 40px 72px;
  align-items: start;
}
.signature-detail-media, .signature-detail-summary { min-width: 0; }
.signature-detail-summary { padding: 28px 10px 0 0; }
.signature-product-detail .signature-detail-eyebrow {
  display: block;
  font-family: Arial, "Noto Sans KR", sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  line-height: 1.8;
}
.signature-product-detail .signature-detail-summary h1 {
  margin: 18px 0 24px;
  font-size: clamp(32px, 3.5vw, 54px);
  line-height: 1.14;
}
.signature-detail-summary .signature-detail-intro {
  margin-bottom: 22px;
  font-size: 15px;
  line-height: 1.95;
  white-space: pre-line;
}
.signature-detail-summary .signature-detail-spec {
  padding: 15px 0;
  border-top: 1px solid var(--sd-line);
  border-bottom: 1px solid var(--sd-line);
  font-size: 12px;
  white-space: pre-line;
}
.signature-detail-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}
.signature-detail-price strong { font-size: 26px; font-weight: 500; letter-spacing: -.03em; }
.signature-detail-price del { opacity: .6; font-size: 15px; }
.signature-detail-purchase { display: grid; gap: 16px; }
.signature-detail-purchase label { margin: 0; font-size: 12px; color: inherit; }
.signature-detail-purchase input, .signature-detail-purchase select {
  width: 100%;
  min-height: 46px;
  margin-top: 7px;
  padding: 10px 13px;
  border: 1px solid var(--sd-line);
  border-radius: 0;
  background: transparent;
  color: var(--sd-ink);
}
.signature-detail-purchase input[type="number"] { max-width: 120px; }
.signature-detail-purchase .signature-stock { font-size: 12px; opacity: .8; }
.signature-detail-purchase #add-to-cart {
  display: block;
  width: 100%;
  min-height: 54px;
  margin: 2px 0 0;
  border: 1px solid var(--sd-ink);
  border-radius: 0;
  background: var(--sd-ink);
  color: var(--sd-bg);
  font-size: 13px;
  letter-spacing: .06em;
}
.signature-detail-purchase #add-to-cart:disabled { opacity: .45; cursor: not-allowed; }
.signature-detail-summary .signature-detail-notice {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--sd-line);
  font-size: 11px;
  opacity: .8;
  white-space: pre-line;
}
.signature-product-detail .signature-gallery { display: block; margin: 0; min-width: 0; }
.signature-product-detail .product-slide-track {
  display: flex;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  background: var(--sd-soft);
}
.signature-product-detail .product-slide-track::-webkit-scrollbar { display: none; }
.signature-product-detail .product-slide-track > img {
  width: 100%;
  height: 100%;
  min-width: 100%;
  max-height: none;
  flex: 0 0 100%;
  object-fit: cover;
  scroll-snap-align: start;
  border-radius: 0;
}
.signature-product-detail .product-slide-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 12px 0;
}
.signature-product-detail .product-slide-controls button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--sd-line);
  border-radius: 50%;
  color: inherit;
  background: transparent;
}
.signature-product-detail .product-slide-controls output { font-size: 11px; letter-spacing: .1em; }
.signature-product-detail .product-thumbs {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  max-width: 100%;
  overflow-x: auto;
  margin: 0;
  padding: 3px;
}
.signature-product-detail .product-thumbs button {
  flex: 0 0 64px;
  width: 64px;
  height: 78px;
  padding: 3px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0;
  opacity: .65;
}
.signature-product-detail .product-thumbs button[aria-current="true"] { border-color: var(--sd-ink); opacity: 1; }
.signature-product-detail .product-thumbs img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.signature-image-placeholder { display: grid; min-height: 280px; place-content: center; background: var(--sd-soft); font-size: 12px; }
.signature-detail-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 22px;
  padding: 0 24px;
  border-block: 1px solid var(--sd-line);
  background: var(--sd-bg);
  overflow-x: auto;
  scrollbar-width: thin;
}
.signature-detail-nav button {
  flex: 0 0 auto;
  min-height: 66px;
  padding: 14px 14px;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 12px;
  letter-spacing: .035em;
}
.signature-detail-nav button:hover { background: var(--sd-soft); }
.signature-detail-section-heading { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.signature-product-detail .signature-detail-section-heading h2 {
  margin: 17px 0 26px;
  font-size: clamp(27px, 3.4vw, 44px);
  line-height: 1.4;
}
.signature-detail-section-heading p { font-size: 15px; line-height: 2; white-space: pre-line; }
.signature-detail-story { padding: 100px 8% 0; }
.signature-detail-figure { margin: 0; min-width: 0; }
.signature-detail-figure img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; border-radius: 0; }
.signature-detail-figure figcaption { display: flex; justify-content: space-between; gap: 12px; margin: 14px 0 0; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.signature-story-image { max-width: 960px; margin: 0 auto; }
.signature-story-image img { aspect-ratio: 3 / 2; object-fit: contain; background: var(--sd-soft); }
.signature-detail-chapters { margin: 88px 8% 0; }
.signature-detail-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 7vw, 90px);
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--sd-line);
}
.signature-detail-chapter:nth-child(even) > div { order: 2; }
.signature-product-detail .signature-detail-chapter h3 { margin: 20px 0; font-family: var(--sd-heading); font-size: clamp(24px, 3vw, 34px); font-weight: 500; line-height: 1.4; }
.signature-detail-chapter p { font-size: 15px; line-height: 2; white-space: pre-line; }
.signature-detail-rule { display: block; width: min(160px, 70%); aspect-ratio: 1; border: 1px solid var(--sd-line); border-radius: 50%; margin: auto; position: relative; }
.signature-detail-rule::after { content: ''; position: absolute; width: 100%; height: 1px; background: var(--sd-line); top: 50%; left: 0; transform: rotate(-40deg); }
.signature-detail-information { margin-top: 96px; padding: 88px 12%; background: var(--sd-soft); }
.signature-detail-information dl { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--sd-line); }
.signature-detail-information dl > div { display: grid; grid-template-columns: minmax(110px, 1fr) minmax(0, 3fr); gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--sd-line); font-size: 13px; }
.signature-detail-information dt { opacity: .7; }
.signature-detail-information dd { margin: 0; white-space: pre-line; }
.signature-rich-copy { margin-top: 64px; }
.signature-rich-copy img { height: auto; }
.signature-detail-guide { padding: 88px 8%; }
.signature-detail-guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 38px 64px; }
.signature-detail-guide-grid > article { border-top: 1px solid var(--sd-line); padding-top: 24px; min-width: 0; }
.signature-detail-guide-grid h3 { font-size: 15px; font-weight: 600; margin-bottom: 12px; }
.signature-detail-guide-grid p { white-space: pre-line; font-size: 13px; line-height: 1.95; }
.signature-detail-reviews { padding: 0 8% 72px; }
.signature-detail-reviews > h3 { font-size: 18px; margin-bottom: 20px; }
.signature-detail-reviews .order-card { color: inherit; background: transparent; border-color: var(--sd-line); border-radius: 0; }
.signature-detail-related { padding: 80px 5% 84px; border-top: 1px solid var(--sd-line); }
.signature-detail-related .signature-detail-section-heading { text-align: left; margin-left: 0; }
.signature-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.signature-related-grid article { min-width: 0; }
.signature-related-grid button { display: block; width: 100%; padding: 0; border: 0; border-radius: 0; color: inherit; text-align: left; background: transparent; }
.signature-related-grid img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; background: var(--sd-soft); transition: filter .2s ease; }
.signature-related-grid button:hover img { filter: brightness(.96); }
.signature-related-category { display: block; margin: 16px 0 6px; font-size: 10px; letter-spacing: .06em; }
.signature-product-detail .signature-related-grid h3 { margin: 0 0 10px; font-family: inherit; font-size: 17px; font-weight: 500; line-height: 1.45; }
.signature-related-price { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; }
.signature-related-price > span { font-size: 21px; }
.signature-preview-open { overflow: hidden; }
dialog.product-preview-dialog.signature-product-surface {
  width: min(1380px, calc(100% - 32px));
  max-width: 1380px;
  max-height: 96dvh;
  margin: auto;
  padding: 0;
  border: 1px solid var(--sd-line);
  border-radius: 0;
  overflow-x: hidden;
  overflow-y: auto;
}
.product-preview-dialog.signature-product-surface::backdrop { background: rgb(14 23 19 / .55); backdrop-filter: blur(4px); }
.product-preview-dialog.signature-product-surface > .signature-preview-close {
  display: block;
  position: sticky;
  top: 12px;
  z-index: 6;
  margin: 12px 16px 0 auto;
  min-width: 70px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--sd-line);
  border-radius: 0;
  color: var(--sd-ink);
  background: var(--sd-bg);
  cursor: pointer;
}
.product-preview-dialog.signature-product-surface .signature-detail-nav { padding-right: 100px; }
@media (min-width: 1000px) {
  .signature-detail-summary { position: sticky; top: 32px; }
}
@media (max-width: 900px) {
  .shop-body #shop-product.signature-product-surface { width: calc(100% - 32px); }
  .signature-detail-hero { padding: 24px 24px 48px; gap: 28px; }
  .signature-detail-summary { padding-top: 6px; }
  .signature-product-detail .signature-detail-summary h1 { font-size: 32px; }
  .signature-detail-summary .signature-detail-intro { font-size: 13px; }
  .signature-detail-story { padding-top: 72px; }
  .signature-detail-information { padding: 64px 8%; }
  .signature-detail-guide-grid { gap: 28px; }
  .signature-related-grid { gap: 16px; }
  .signature-product-surface .dialog-heading { padding-inline: 24px; }
}
@media (max-width: 640px) {
  .shop-body #shop-product.signature-product-surface { width: 100%; margin: 0 0 32px; border-inline: 0; }
  .signature-product-surface .dialog-heading { padding: 12px 20px 0; }
  .signature-detail-hero { grid-template-columns: minmax(0, 1fr); padding: 18px 20px 42px; gap: 32px; }
  .signature-detail-summary { padding: 0; }
  .signature-product-detail .signature-detail-summary h1 { font-size: clamp(30px, 8.5vw, 42px); margin: 12px 0 22px; }
  .signature-detail-summary .signature-detail-intro { font-size: 14px; }
  .signature-detail-price { margin: 22px 0; }
  .signature-product-detail .product-slide-track { aspect-ratio: 1; }
  .signature-product-detail .product-thumbs button { flex-basis: 54px; width: 54px; height: 64px; }
  .signature-detail-nav { justify-content: flex-start; gap: 0; padding: 0 8px; }
  .signature-detail-nav button { min-height: 56px; padding: 12px 14px; font-size: 11px; }
  .signature-detail-story { padding: 60px 20px 0; }
  .signature-detail-section-heading { margin-bottom: 30px; }
  .signature-product-detail .signature-detail-section-heading h2 { font-size: 29px; margin: 14px 0 22px; }
  .signature-detail-section-heading p { font-size: 14px; }
  .signature-story-image img { aspect-ratio: 4 / 5; }
  .signature-detail-chapters { margin: 56px 20px 0; }
  .signature-detail-chapter { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 38px 0; }
  .signature-detail-chapter:nth-child(even) > div { order: initial; }
  .signature-detail-chapter p { font-size: 14px; }
  .signature-detail-rule { display: none; }
  .signature-detail-information { margin-top: 60px; padding: 56px 20px; }
  .signature-detail-information dl > div { grid-template-columns: 90px minmax(0, 1fr); gap: 16px; padding: 16px 0; font-size: 12px; }
  .signature-detail-guide { padding: 60px 20px; }
  .signature-detail-guide-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .signature-detail-reviews { padding: 0 20px 48px; }
  .signature-detail-related { padding: 56px 20px; }
  .signature-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 14px; }
  .signature-product-detail .signature-related-grid h3 { font-size: 15px; }
  .signature-related-price { font-size: 12px; }
  dialog.product-preview-dialog.signature-product-surface { width: 100%; max-width: 100%; height: 100dvh; max-height: 100dvh; border: 0; }
  .product-preview-dialog.signature-product-surface > .signature-preview-close { top: 8px; margin: 8px 12px 0 auto; }
  .product-preview-dialog.signature-product-surface .signature-detail-nav { padding-right: 8px; top: 60px; }
  .product-preview-dialog.signature-product-surface .signature-product-detail [id] { scroll-margin-top: 128px; }
}
@media (prefers-reduced-motion: reduce) {
  .signature-product-detail *, .signature-product-detail *::before, .signature-product-detail *::after { scroll-behavior: auto !important; transition: none !important; }
}