/* Store page: landscape photo viewer beside a quiet info column. A normal scrolling page. */

html, body {
  height: auto;
  overflow: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.store {
  max-width: 1360px;
  margin: 0 auto;
  padding: 84px 40px 90px;
  font-family: var(--mono);
}

.book {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(320px, 1fr);
  gap: 64px;
  align-items: start;
}

/* ---- Gallery: wide viewer, counter, filmstrip ------------------------------ */
.book-gallery {
  position: sticky;
  top: 84px;
  min-width: 0;
}

.store-main {
  aspect-ratio: 5 / 3;            /* landscape */
  overflow: hidden;
  background: var(--rule);
}
.store-main img { display: block; width: 100%; height: 100%; object-fit: contain; }
.store-main img.swap { animation: develop 0.17s steps(5, end) both; }

.book-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 10px 0 12px;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
}
.book-arrows { display: flex; gap: 6px; }
.book-arrows button {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--fg);
  opacity: 0.45;
  transition: opacity 0.2s ease;
}
.book-arrows button:hover,
.book-arrows button:focus-visible { opacity: 1; }
.book-arrows svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.2; }

.store-strip {
  position: relative;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}
.store-strip::-webkit-scrollbar { display: none; }

.thumb {
  position: relative;
  flex: 0 0 auto;
  height: 64px;
  aspect-ratio: 3 / 2;
  scroll-snap-align: center;
  overflow: hidden;
  outline: 1px solid transparent;
  outline-offset: -1px;
  opacity: 0.55;
  transition: opacity 0.2s ease, outline-color 0.2s ease;
}
.thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { opacity: 0.9; }
.thumb.active { opacity: 1; outline-color: var(--fg); }

/* ---- Info column ---------------------------------------------------------- */
.book-info { min-width: 0; }

.book-kicker {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.book-info h1 {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.7;
  text-transform: uppercase;
}

.book-intro {
  margin-top: 18px;
  font-size: 11.5px;
  letter-spacing: 0.02em;
  line-height: 1.9;
  color: var(--fg-dim);
}

.book-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 16px;
  margin: 26px 0 0;
}
.book-specs dt {
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.book-specs dd {
  margin: 5px 0 0;
  font-size: 11px;
  letter-spacing: 0.03em;
}

.store-status {
  margin-top: 28px;
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* ---- Editions: two touching boxes, one selected ---------------------------- */
.book-editions { margin: 14px 0 0; padding: 0; border: 0; }

.ed {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  padding: 13px 16px 12px;
  background: var(--box-fill);
  border: 1px solid var(--box-line);
  cursor: pointer;
  transition: border-color 0.2s ease;
}
.ed + .ed { margin-top: -1px; }
.ed input { position: absolute; opacity: 0; pointer-events: none; }
.ed:has(input:checked) { border-color: var(--fg); z-index: 1; }
.ed:has(input:disabled) { cursor: default; opacity: 0.5; }
.ed:has(input:focus-visible) { outline: 1px solid var(--fg); outline-offset: 3px; }

.ed-top { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: baseline; }
.ed-kicker { font-size: 8.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg-dim); }
.ed-price { font-size: 12px; letter-spacing: 0.04em; }
.ed-price em { font-style: normal; font-size: 9px; letter-spacing: 0.14em; color: var(--fg-dim); }

.ed-name {
  grid-column: 1 / -1;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ed-name::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border: 1px solid var(--fg);
  border-radius: 50%;
  vertical-align: 1px;
}
.ed:has(input:checked) .ed-name::before { background: var(--fg); }

.ed-meta {
  grid-column: 1 / -1;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 0.05em;
  line-height: 1.8;
  color: var(--fg-dim);
}
.store-left {
  grid-column: 1 / -1;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.store-left:empty { display: none; }

/* ---- Delivery ------------------------------------------------------------- */
.store-delivery {
  margin: 22px 0 0;
  padding: 0;
  border: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.store-delivery legend {
  float: left;
  width: 100%;
  margin-bottom: 2px;
  padding: 0;
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.store-delivery label { cursor: pointer; }
.store-delivery input { position: absolute; opacity: 0; pointer-events: none; }
.store-delivery span {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  transition: color 0.2s ease;
}
.store-delivery span::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border: 1px solid var(--fg-dim);
  border-radius: 50%;
  vertical-align: 0;
}
.store-delivery em { font-style: normal; margin-left: 6px; }
.store-delivery label:hover span { color: var(--fg); }
.store-delivery input:checked + span { color: var(--fg); }
.store-delivery input:checked + span::before { background: var(--fg); border-color: var(--fg); }
.store-delivery input:focus-visible + span { outline: 1px solid var(--fg); outline-offset: 4px; }

/* ---- Buy ------------------------------------------------------------------ */
.store-cta {
  width: 100%;
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid var(--fg);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg);
  transition: background 0.2s ease, color 0.2s ease;
}
.store-cta:hover:not([disabled]) { background: var(--fg); color: var(--bg); }
.store-cta[disabled] { opacity: 0.45; cursor: default; }

.store-fine {
  margin-top: 14px;
  font-size: 9px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--fg-dim);
}
.store-note {
  min-height: 1.4em;
  margin-top: 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

/* ---- Thank-you page (shares this stylesheet) ------------------------------- */
.store-thanks { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.store-head { text-align: center; }
.store-head h1 { font-size: 14px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.store-head p { max-width: 460px; margin: 20px auto 0; font-size: 11.5px; line-height: 1.9; color: var(--fg-dim); }
.store-back a { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fg); text-decoration: none; }
.store-back a:hover { opacity: 0.4; }

/* ---- Small screens: viewer first, details beneath -------------------------- */
@media (max-width: 900px) {
  .store { padding: 84px 0 80px; }
  .book-info, .book-bar { padding-left: 16px; padding-right: 16px; }
  .store-strip { padding-left: 16px; padding-right: 16px; }
  .book { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .book-gallery { position: static; }
  .book-specs { grid-template-columns: 1fr 1fr; }
}