/* ART INDEX — editorial grid (hard edges, calm spacing) */

.art-page{
  width: 100%;
  padding-top: 8px;
}

.art-head{
  padding: 8px 0 18px 0;
  border-bottom: 1px solid rgba(0,0,0,0.12);
  margin-bottom: 18px;
}

.art-title{
  margin: 0 0 6px 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.art-subtitle{
  margin: 0;
  font-size: 13px;
  color: rgba(0,0,0,0.62);
  max-width: 70ch;
}

/* Grid */
.art-grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

/* Card */
.art-card{
  grid-column: span 12;
  display: block;
  border: 1px solid rgba(0,0,0,0.12);
  background: #fff;
  overflow: hidden;
  border-radius: 0; /* hard edge */
}

/* Thumbnail */
.art-thumb{
  width: 100%;
  aspect-ratio: 4 / 3; /* more “catalogue” */
  background: #f2f2f2;
}

.art-thumb img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.art-thumb-fallback{
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #f3f3f3, #eaeaea);
}

/* Meta */
.art-card-meta{
  padding: 12px;
  border-top: 1px solid rgba(0,0,0,0.12);
}

.art-card-title{
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 6px 0;
}

.art-card-line{
  font-size: 12px;
  color: rgba(0,0,0,0.62);
  letter-spacing: 0.01em;
}

/* Small hint tag */
.art-card-hint{
  margin-top: 10px;
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 3px 6px;
  border: 1px solid rgba(0,0,0,0.18);
  color: rgba(0,0,0,0.70);
}

/* Hover: subtle */
.art-card:hover{
  border-color: rgba(0,0,0,0.30);
}

.art-card:hover .art-thumb img{
  transform: scale(1.01);
  transition: transform 180ms ease;
}

.art-empty{
  margin: 8px 0 0 0;
  color: rgba(0,0,0,0.62);
}

/* Responsive */
@media (min-width: 760px){
  .art-card{ grid-column: span 6; }
}

@media (min-width: 1100px){
  .art-card{ grid-column: span 4; }
}

@media (min-width: 1400px){
  .art-card{ grid-column: span 3; }
}