/* Shared horizontal rows for homepage and profile cards. */
.mode-row { margin-bottom: 22px; }
.mode-row-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 10px;
}
.mode-row-head .mode-name {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700;
  color: var(--red-400);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.mode-row-head .mode-count {
  font-family: var(--font-mono);
  font-size: 10px; color: var(--ink-500);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.mode-scroll {
  display: flex; gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  /* overflow-x:auto forces overflow-y:hidden per CSS spec, so the
     mini-card's translateY(-2px) hover would clip its top edge.
     Add 4px vertical headroom on both sides — invisible since the
     scroll-row bg is transparent, and it absorbs the hover lift. */
  padding: 4px 0 8px;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in oklch, var(--red-400), transparent 65%) transparent;
}
.mode-scroll::-webkit-scrollbar { height: 6px; }
.mode-scroll::-webkit-scrollbar-track { background: transparent; }
.mode-scroll::-webkit-scrollbar-thumb {
  background: color-mix(in oklch, var(--red-400), transparent 65%);
  border-radius: 3px;
}
/* Legacy rows keep their existing card width. The shared responsive variant
   reserves a glimpse of the next thumbnail after its last complete card. */
.mode-scroll > .mini-card { flex: 0 0 268px; }
.mode-scroll > :is(.mini-card, .card) {
  min-inline-size: 0;
  scroll-snap-align: start;
  animation: none;
}
.mode-scroll:focus-visible { outline: 2px solid var(--red-400); outline-offset: 3px; }
.card-row {
  --card-row-columns: 4;
  --card-row-gap: 12px;
  --card-row-peek: 1.5rem;
  gap: var(--card-row-gap);
}
.card-row > :is(.mini-card, .card) {
  flex: 0 0 calc((100% - var(--card-row-columns) * var(--card-row-gap) - var(--card-row-peek)) / var(--card-row-columns));
}
.card-row.card-row-three { --card-row-columns: 3; --card-row-gap: .875rem; }
@media (max-width: 1080px) { .card-row { --card-row-columns: 3; } }
@media (max-width: 820px) { .card-row { --card-row-columns: 2; } }
@media (max-width: 720px) { .card-row > :is(.mini-card, .card) { flex-basis: 78%; } }

/* ───── Lane scroll arrows (injected by card-rows.js) ─────
   Mouse users on Windows/Linux have no horizontal wheel; these give them a
   way through a lane. Only rendered on fine-pointer devices, and only shown
   once the lane actually overflows. */
.mode-row.has-lane-nav { position: relative; }
.lane-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: none;
  place-items: center;
  width: 48px; height: 48px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--ink-300), transparent 20%);
  background: color-mix(in oklch, var(--ink-100), transparent 8%);
  color: var(--ink-800);
  font-family: var(--font-display);
  font-size: 30px; line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, border-color 0.15s ease,
              background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}
.mode-row.is-scrollable .lane-nav { display: grid; }
/* Revealed on hover/focus so the arrows don't sit on top of the artwork
   permanently; keyboard users get them via :focus-within. */
.mode-row.is-scrollable:hover .lane-nav,
.mode-row.is-scrollable:focus-within .lane-nav { opacity: 1; }
/* Hover takes the red accent, same language as the primary buttons. */
.lane-nav:hover:not(:disabled),
.lane-nav:focus-visible:not(:disabled) {
  border-color: var(--red-500);
  background: var(--red-500);
  color: var(--ink-0);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--red-500), transparent 78%);
}
.lane-nav:disabled { opacity: 0 !important; pointer-events: none; }
.lane-nav-prev { left: -10px; }
.lane-nav-next { right: -10px; }
@media (prefers-reduced-motion: reduce) {
  .lane-nav { transition: none; }
}