.catalog-section {
  padding-bottom: 60px;
}
.catalog-viewer {
  max-width: 960px;
  margin: 0 auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border: 1px solid #ececec;
}
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #1a1a1a;
  color: #fff;
}
.catalog-btn {
  background: #333;
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.2s;
}
.catalog-btn:hover:not(:disabled) {
  background: #d21e2b;
}
.catalog-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.catalog-page-info {
  min-width: 70px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
}
.catalog-divider {
  width: 1px;
  height: 28px;
  background: #555;
  margin: 0 4px;
}
.catalog-title {
  flex: 1;
  text-align: right;
  font-size: 13px;
  color: #ccc;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 120px;
}
.catalog-canvas-wrap {
  overflow: auto;
  background: #525659;
  min-height: 480px;
  max-height: 75vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
}
#catalogCanvas {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  background: #fff;
}
@media (max-width: 576px) {
  .catalog-title {
    flex-basis: 100%;
    text-align: center;
    margin-top: 4px;
  }
  .catalog-canvas-wrap {
    min-height: 360px;
    padding: 10px;
  }
}