/* Paper cards — modern layout for paper listings in blog posts.
   Uses al-folio CSS variables so it adapts to light/dark mode. */

.paper-card {
  background: var(--global-card-bg-color, var(--global-bg-color, #fff));
  border: 1px solid var(--global-divider-color, #e5e7eb);
  border-left: 4px solid var(--global-theme-color, #b509ac);
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
  margin: 1.3rem 0;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
}

.pc-row {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin: 1.3rem 0;
  align-items: stretch;
}

.pc-row > .paper-card {
  flex: 1 1 0;
  min-width: 250px;
  margin: 0;
}

.paper-card .pc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.paper-card .pc-title {
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.35;
  margin: 0;
}

.paper-card .pc-badge {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
  align-self: center;
}

.paper-card .pc-authors {
  font-size: 0.82rem;
  opacity: 0.75;
  margin: 0.15rem 0 0.55rem;
}

.paper-card .pc-fig {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--global-divider-color, #e5e7eb);
  margin: 0.55rem 0;
}

/* Horizontal scroll-snap carousel for image-only cards */
.paper-card .pc-carousel {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.4rem;
  margin: 0.55rem 0;
  scrollbar-width: thin;
}

.paper-card .pc-carousel img {
  flex: 0 0 auto;
  width: auto;
  max-width: 85%;
  height: 320px;
  object-fit: contain;
  scroll-snap-align: center;
  border-radius: 10px;
  border: 1px solid var(--global-divider-color, #e5e7eb);
  background: var(--global-code-bg-color, #f6f8fa);
}

.paper-card .pc-body {
  font-size: 0.93rem;
  line-height: 1.55;
  margin: 0;
}

.paper-card .pc-body ul {
  margin: 0.4rem 0 0.2rem 1.1rem;
  padding: 0;
}

/* Poster grid — compact tiles for long poster listings */
.poster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 0.8rem;
  margin: 1.2rem 0;
}

.poster-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.85rem 1rem;
  background: var(--global-card-bg-color, var(--global-bg-color, #fff));
  border: 1px solid var(--global-divider-color, #e5e7eb);
  border-radius: 12px;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.poster-item:hover {
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.poster-item .poster-thumb-wrap {
  width: 100%;
  height: 140px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--global-divider-color, #e5e7eb);
  margin-bottom: 0.2rem;
}

/* The img keeps its natural aspect ratio (width-fit, cropped by the wrapper),
   so medium-zoom shows the full, undistorted poster when opened. */
.poster-item .poster-thumb {
  width: 100%;
  height: auto;
  display: block;
  cursor: zoom-in;
}

.poster-item .poster-title {
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.35;
  text-decoration: none;
}

.poster-item .poster-title .fa-camera {
  font-size: 0.72rem;
  opacity: 0.55;
  margin-left: 0.25rem;
}

.poster-item .poster-meta {
  font-size: 0.78rem;
  opacity: 0.7;
}

.poster-item .poster-note {
  font-size: 0.83rem;
  line-height: 1.45;
}

/* Accent colors — left border on the card, tint on the badge */
.paper-card.pc-blue { border-left-color: #3b82f6; }
.pc-badge.pc-blue { background: rgba(59, 130, 246, 0.14); color: #3b82f6; }

.paper-card.pc-green { border-left-color: #10b981; }
.pc-badge.pc-green { background: rgba(16, 185, 129, 0.14); color: #0e9f6e; }

.paper-card.pc-orange { border-left-color: #f59e0b; }
.pc-badge.pc-orange { background: rgba(245, 158, 11, 0.16); color: #d97706; }

.paper-card.pc-teal { border-left-color: #14b8a6; }
.pc-badge.pc-teal { background: rgba(20, 184, 166, 0.14); color: #0d9488; }

.paper-card.pc-pink { border-left-color: #ec4899; }
.pc-badge.pc-pink { background: rgba(236, 72, 153, 0.14); color: #db2777; }