/* --- product detail: gallery left, sheet right on desktop; stacked on mobile --- */
.pdp{ padding: 0; position: relative; }

/* --- gallery: carousel — one image visible at a time, arrows + dots to browse, no scrolling --- */
/* flex-center the gallery: max-height caps it below full width (via
   aspect-ratio), and auto margins won't center a transferred width */
.pdp-gallery{ position: relative; display: flex; justify-content: center; }
#pdpGallery{
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  max-height: min(80vh, 820px); /* keep dots/CTA reachable */
  overflow: hidden;
  background: var(--line);
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}
#pdpGallery:active{ cursor: grabbing; }
.pdp-gallery-item{
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--tint-a), var(--tint-b));
  overflow: hidden;
  /* frames are stacked; only the active one is opaque so swipe/dot crossfades
     instead of hard-cutting. non-active stays in the DOM (no display:none) so
     opacity can transition — pointer-events off so it can't catch drags */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
}
.pdp-gallery-item.is-active{ opacity: 1; pointer-events: auto; }
.pdp-gallery-item img{
  position: absolute;
  top: 50%;
  left: 50%;
  width: 58%;
  opacity: 0.9;
  transform: translate(-50%, -50%);
  filter: invert(var(--logo-invert, 1)); /* default = light theme (inverted white->black logo) */
}
:root[data-theme="light"] .pdp-gallery-item img{ --logo-invert: 1; }
:root[data-theme="dark"] .pdp-gallery-item img{ --logo-invert: 0; }
/* real product photo, same treatment as .swatch.has-photo on the shop cards */
.pdp-gallery-item.has-photo img{
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: none;
  object-fit: cover;
  object-position: center 80%;
  opacity: 1;
  filter: none;
}

/* secondary action, sized to its content (not a full-width bar) so its
   hover-invert never competes visually with the primary CTA above it */
.view-back{
  display: flex;
  width: fit-content;
  padding: 8px 14px;
  margin: 16px auto 0;
  text-decoration: none;
}

.pdp-dots{
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 6px;
}
.pdp-dot{
  width: 6px;
  height: 6px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: color-mix(in srgb, var(--ink) 35%, transparent);
  cursor: pointer;
}
.pdp-dot[aria-current="true"]{ background: var(--ink); }

/* --- sheet: name/color/size/cta pinned to the bottom of the screen frame,
   stays put while the gallery above scrolls (Instagram-Shop style) --- */
.pdp-sheet{
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 16px var(--gutter) 40px;
}
@media (min-width: 900px){
  /* Full-height chain so the gallery photo always fills the viewport
     (footer-to-navbar), instead of stopping at its own aspect-ratio and
     leaving dead space above the sticky footer. Only #view-product opts
     into this — every other view keeps its normal content-sized height.
     Guarded with :not([hidden]) so this ID rule can't out-specify the
     global `.view[hidden]{display:none}` and leak the PDP onto other
     views when it's supposed to be hidden. */
  #view-product:not([hidden]){ display: flex; flex-direction: column; flex: 1; }
  .pdp{
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 1fr);
    grid-template-rows: minmax(0, 1fr);
    flex: 1;
    /* no border-bottom here — .pdp now touches .site-footer directly
       (zero gap), and .site-footer already owns that boundary line via
       its own border-top. See "Divider ownership" in CLAUDE.md. */
  }
  .pdp-gallery{ border-right: 1px solid var(--line); }
  #pdpGallery{
    /* base rule's aspect-ratio/max-height was for capping a
       width-derived height; here height comes from the grid row instead,
       so let it stretch to fill and drop the old cap entirely */
    height: 100%;
    max-height: none;
    aspect-ratio: auto;
  }
  .pdp-sheet{
    border-top: none;
    align-self: center;
    padding: 40px clamp(28px, 4vw, 64px);
  }
}
.pdp-header{ display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin: 0 0 14px; }
.pdp-name{ margin: 0; font: var(--font-display); font-size: clamp(1.3rem, 2.4vw, 2rem); letter-spacing: -0.01em; text-transform: uppercase; }
.pdp-price{ margin: 0; font: var(--font-mono); color: var(--muted); }
.size-chips{ display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 6px; margin-bottom: 12px; }
.size-chip{ border: 1px solid var(--line); min-width: 44px; padding: 8px 12px; justify-content: center; }
.size-chip[aria-pressed="true"]{ background: var(--ink); }
.size-chip[aria-pressed="true"] span{ color: var(--invert-fg); }
.size-chip:disabled span{ text-decoration: line-through; }
.pdp-error{
  margin: 0 0 10px;
  font: var(--font-mono);
  font-size: 0.62rem;
  color: var(--accent-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
/* errors/notes toggle via [hidden]; going display:none -> block replays this
   animation, so they settle in instead of snapping (same trick as .view) */
@keyframes msgIn{ from{ opacity: 0; transform: translateY(-2px); } to{ opacity: 1; transform: none; } }
.pdp-error, .auth-error, .auth-note{ animation: msgIn 0.15s ease both; }