/* ==========================================================================
   Post list
   ========================================================================== */
.post-list { display: flex; flex-direction: column; gap: 1rem; --post-card-min-width: 20rem; }
/* Grid mode: auto-filled columns, each at least as wide as upstream's
   postListLayout.grid.columnWidth (320px). */
.post-list[data-layout="grid"] { display: grid; grid-template-columns: repeat(auto-fill, minmax(var(--post-card-min-width), 1fr)); }
/* Upstream switches to `postListLayout.mobileDefaultMode` (grid) below 780px:
   one column on a phone, two in the ~660-780px band — the extra tier between
   the phone and the 780px+ list layout. */
@media (max-width: 779px) {
  .post-list[data-mobile-layout="grid"] { display: grid; grid-template-columns: repeat(auto-fill, minmax(var(--post-card-min-width), 1fr)); }
}

.post-card {
  position: relative; display: flex; flex-direction: column-reverse;
  padding: 1.4rem 1.25rem; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.post-card:hover { transform: translateY(-2px); }
.post-card-content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.post-card-title { font-size: 1.35rem; font-weight: 700; line-height: 1.4; color: var(--deep-text); transition: color var(--dur) var(--ease); }
.post-card-title:hover { color: var(--primary); }
/* Post card meta — upstream's PostMeta row: a tinted square behind every icon,
   muted 0.875rem text and 1rem gaps between the items. */
.post-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem; margin: 0.4rem 0 1rem; }
.post-card-meta .meta-item { gap: 0; color: var(--text-50); font-size: 0.875rem; font-weight: 500; }
.post-card-meta .meta-icon {
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
  width: 2rem; height: 2rem; margin-right: 0.5rem;
  border-radius: 0.375rem; background: var(--btn-regular-bg); color: var(--btn-content);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.post-card-meta .meta-link { color: inherit; font-weight: 500; white-space: nowrap; }
.post-card-meta .meta-link:hover { color: var(--primary); }
.post-card-desc { color: var(--text-75); font-size: 0.92rem; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: auto; padding-top: 0.75rem; }
.post-card-cover { position: relative; overflow: hidden; border-radius: var(--radius-md); aspect-ratio: 2 / 1; margin-bottom: 1rem; }
.post-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 350ms var(--ease); }
.post-card:hover .post-card-cover img { transform: scale(1.06); }
.post-card-cover-arrow {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; background: rgb(0 0 0 / 0.25); opacity: 0; transition: opacity var(--dur) var(--ease);
}
.post-card:hover .post-card-cover-arrow { opacity: 1; }
/* The no-cover card's arrow is visible at every width (upstream shows it in
   both list and grid mode): a full-height square button on the right edge. */
.post-card-enter {
  display: flex; align-items: center; justify-content: center;
  position: absolute; right: 0.75rem; top: 0.75rem; bottom: 0.75rem; width: 3.25rem;
  border-radius: var(--radius-md); background: var(--btn-regular-bg); color: var(--primary);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.post-card-enter:hover { background: var(--btn-regular-bg-hover); }
.post-card-enter:active { background: var(--btn-regular-bg-active); transform: scale(0.95); }
.post-card.no-cover { padding-right: 4.5rem; }

/* The wide list cards only exist from 780px up: below that upstream is in its
   mobile mode (grid by default), where the card keeps the stacked cover. */
@media (min-width: 780px) {
  .post-list[data-layout="list"] .post-card.has-cover { flex-direction: row; align-items: stretch; padding: 1.4rem; gap: 1.4rem; }
  .post-list[data-layout="list"] .post-card.has-cover .post-card-content { order: 0; }
  .post-list[data-layout="list"] .post-card.cover-left { flex-direction: row-reverse; }
  .post-list[data-layout="list"] .post-card-cover {
    flex: 0 0 34%; margin-bottom: 0; aspect-ratio: auto; align-self: stretch; min-height: 10rem;
  }
}

/* ==========================================================================
   Listing head / archive
   ========================================================================== */
.listing-head { padding: 1.25rem 1.5rem; }
.listing-title { margin: 0; font-size: 1.5rem; font-weight: 700; }
.listing-subtitle { margin: 0.3rem 0 0; color: var(--content-meta); font-size: 0.9rem; }
.empty-note { color: var(--text-50); text-align: center; padding: 2rem 0; }

.archive { display: flex; flex-direction: column; gap: 0.75rem; }
.archive-group { background: var(--card-bg); border-radius: var(--radius-lg); padding: 0.75rem 1rem; }
.archive-year {
  display: flex; align-items: center; gap: 0.6rem; cursor: pointer; list-style: none;
  font-size: 1.15rem; font-weight: 700; padding: 0.35rem 0.25rem;
}
.archive-year::-webkit-details-marker { display: none; }
.archive-year .chev { margin-left: auto; transition: transform var(--dur) var(--ease); }
.archive-group:not([open]) .archive-year .chev { transform: rotate(-90deg); }
.archive-year-count { font-size: 0.8rem; color: var(--btn-content); background: var(--btn-regular-bg); border-radius: 999px; padding: 0.05rem 0.5rem; }
.archive-list { list-style: none; margin: 0.4rem 0 0; padding: 0; display: flex; flex-direction: column; }
.archive-item { display: flex; gap: 1rem; padding: 0.4rem 0.25rem; border-radius: var(--radius-sm); }
.archive-item:hover { background: var(--btn-plain-bg-hover); }
.archive-item time { color: var(--content-meta); font-variant-numeric: tabular-nums; flex: 0 0 3.5rem; }
.archive-item a:hover { color: var(--primary); }