:root {
  --ink: #2b2521;
  --muted: #7a6c5d;
  --paper: #fbf8f3;
  --card: #ffffff;
  --gold: #b08d57;
  --line: #e7dfd3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.site-header {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  border-bottom: 1px solid var(--line);
}
.site-header h1 {
  margin: 0;
  font-weight: normal;
  font-size: 2.4rem;
  letter-spacing: 0.04em;
}
.tagline {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  color: var(--muted);
}

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 2rem;
}
.filters label { display: flex; flex-direction: column; font-size: 0.9rem; color: var(--muted); gap: 0.25rem; }
.filters label.checkbox { flex-direction: row; align-items: center; gap: 0.5rem; }
select {
  font: inherit;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  text-align: left;
  font: inherit;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover, .card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(43, 37, 33, 0.08);
  outline: none;
}
.card img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: var(--paper); }
.card .info { padding: 0.9rem 1rem 1.1rem; }
.card h3 { margin: 0; font-weight: normal; font-size: 1.1rem; }
.card .material, .card .by { margin: 0.2rem 0 0; font-size: 0.85rem; color: var(--muted); }
.card .price { margin: 0.5rem 0 0; font-size: 1rem; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.4rem;
  vertical-align: middle;
}
.badge.available { background: #e5efe0; color: #3d6b2f; }
.badge.sold { background: #efe3e3; color: #7d3a3a; }

.empty { text-align: center; color: var(--muted); padding: 3rem 0; }

dialog {
  border: none;
  border-radius: 8px;
  padding: 0;
  width: min(760px, 92vw);
  background: var(--card);
  color: var(--ink);
}
dialog::backdrop { background: rgba(43, 37, 33, 0.5); }
.close {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--muted);
}
#dialog-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; padding: 1.5rem; }
#dialog-body img { width: 100%; border-radius: 4px; background: var(--paper); }
#dialog-body h2 { margin: 0; font-weight: normal; font-size: 1.6rem; }
#dialog-body .material, #dialog-body .by { color: var(--muted); margin: 0.3rem 0; }
#dialog-body .price { font-size: 1.3rem; margin: 1rem 0; }
#dialog-body .description { margin: 0 0 1.25rem; }
.buy {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  border-radius: 4px;
  margin-right: 0.5rem;
}
.buy.secondary { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.buy[aria-disabled="true"] { opacity: 0.4; pointer-events: none; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 1.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}
.site-footer h2 { font-weight: normal; font-size: 1.3rem; margin-top: 0; }
#about { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1rem 1.25rem; max-width: 560px; }
#about strong { display: block; }
#about span { color: var(--muted); font-size: 0.9rem; }
.note { color: var(--muted); font-size: 0.85rem; margin-top: 1.5rem; }

@media (max-width: 640px) {
  #dialog-body { grid-template-columns: 1fr; }
  .site-header h1 { font-size: 1.9rem; }
}