/* ================================
   🎨 DECOR GALLERY — FreeFlow Style (Compact)
   ================================ */

:root {
  --art-card-h: 160px;
}

@media (min-width: 600px) {
  :root {
    --art-card-h: 180px;
  }
}

@media (min-width: 1024px) {
  :root {
    --art-card-h: 200px;
  }
}

h1 {
  text-align: center;
  margin: 32px 0 24px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}

.collection-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px 48px;
  box-sizing: border-box;
}

/* 🔸 Khoảng cách gọn giữa các nhóm */
.collection-block {
  margin-bottom: 8px;
}

.collection-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 6px 0;
  text-transform: uppercase;
  border-left: 4px solid #000;
  padding-left: 8px;
}

/* ---- GRID ---- */
.art-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-start;
}

.art-item {
  background: #fff;
  width: calc(50% - 5px);
  height: var(--art-card-h);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.art-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

@media (min-width: 600px) {
  .art-item {
    width: calc(33.333% - 7px);
  }
}

@media (min-width: 1024px) {
  .art-item {
    width: calc(16.666% - 8px);
  }
}

.art-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

/* ✅ Nút "Xem Thêm Tranh ..." — tinh tế, canh giữa */
.view-more {
  margin-top: 4px;
  background: none;
  border: none;
  font-weight: 500;
  color: #000;
  cursor: pointer;
  padding: 10px 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-family: 'Be Vietnam Pro', sans-serif;
  transition: opacity 0.2s;
  text-decoration: none;
}

.view-more:hover {
  opacity: 0.6;
}

.view-more span {
  font-size: 12px;
  margin-left: 4px;
}

.divider {
  height: 1px;
  background: #eee;
  margin: 8px 0;
}