.sxcc {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid #d8dee6;
  border-radius: 8px;
  background: #fff;
  color: inherit;
}

.sxcc h2 {
  margin: 0 0 14px;
}

.sxcc h3 {
  margin: 12px 0 6px;
  font-size: 1.05rem;
}

.sxcc-tabs {
  display: flex;
  gap: 6px;
  margin: 2px 0 8px;
  padding: 0 0 8px;
  position: sticky;
  top: 0;
  z-index: 2;
  overflow-x: auto;
  border-bottom: 1px solid #d8dee6;
  background: #fff;
  scrollbar-width: thin;
}

.sxcc-tab {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f7f8fa;
  color: #1f2937;
  font: inherit;
  line-height: 1.2;
  cursor: pointer;
}

.sxcc-tab:hover {
  background: #eef1f5;
}

.sxcc-tab.is-active {
  border-color: #1f2937;
  background: #1f2937;
  color: #fff;
}

.sxcc-tab:focus {
  outline: 3px solid rgba(37, 99, 235, .35);
  outline-offset: 1px;
}

.sxcc-group {
  border-top: 1px solid #eef0f3;
}

.sxcc-group.sxcc-tabpanel {
  border-top: 0;
}

.sxcc-track-browser {
  max-height: 460px;
  padding-right: 5px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.sxcc-track-browser:focus {
  outline: 3px solid rgba(37, 99, 235, .2);
  outline-offset: 2px;
}

.sxcc-track {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  padding: 4px 6px;
  border-radius: 5px;
}

.sxcc-track:hover,
.sxcc-track:focus-within {
  background: #f5f7fa;
}

.sxcc-track-check {
  margin: 0;
}

.sxcc-track-title {
  min-width: 0;
  margin: 0;
  line-height: 1.25;
  cursor: pointer;
}

.sxcc-track-duration,
.sxcc-track-price {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.sxcc-add-duplicate {
  min-width: 34px;
  min-height: 34px;
  border: 1px solid #cbd5e1;
  border-radius: 5px;
  background: #fff;
}

.sxcc-error:not(:empty),
.sxcc-noscript {
  margin: 10px 0;
  padding: 12px;
  border: 2px solid #dc2626;
  border-radius: 6px;
  background: #fee2e2;
  color: #991b1b;
  font-weight: 700;
}

.sxcc-error:not(:empty)::before {
  content: "⚠ ";
}

.sxcc-order-wrap {
  margin-top: 18px;
  padding-top: 8px;
  border-top: 2px solid #e5e7eb;
}

.sxcc-order {
  padding-left: 24px;
}

.sxcc-order-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

.sxcc-order-item[draggable=true] {
  cursor: grab;
}

.sxcc-order-controls {
  display: flex;
  gap: 6px;
}

.sxcc-order-controls button {
  min-width: 40px;
  min-height: 40px;
  border: 1px solid #cbd5e1;
  border-radius: 5px;
  background: #fff;
  color: #1f2937;
}

.sxcc-order-controls button:focus,
.sxcc-add-duplicate:focus {
  outline: 3px solid rgba(37, 99, 235, .35);
}

.sxcc-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
  margin-top: 16px;
  padding: 14px;
  border-radius: 7px;
  background: #f7f8fa;
}

.sxcc-summary > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.sxcc-grand {
  grid-column: 1/-1;
  padding-top: 8px;
  border-top: 1px solid #cbd5e1;
  font-size: 1.08em;
}

.sxcc-invalid {
  border: 3px solid #dc2626;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, .12);
}

.sxcc-purchase-blocked {
  opacity: .45 !important;
  cursor: not-allowed !important;
}

.sxcc-cart ol {
  margin: 6px 0 8px;
  padding-left: 22px;
}

.sxcc-cart li {
  margin: 3px 0;
}

@media (max-width: 600px) {
  .sxcc {
    padding: 12px;
  }

  .sxcc-tabs {
    margin-right: -4px;
  }

  .sxcc-tab {
    min-height: 38px;
    padding: 7px 11px;
  }

  .sxcc-track-browser {
    max-height: 380px;
  }

  .sxcc-track {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 7px;
    min-height: 40px;
    padding: 5px 4px;
  }

  .sxcc-track-price {
    grid-column: 2/4;
    text-align: right;
  }

  .sxcc-add-duplicate {
    grid-column: 3;
  }

  .sxcc-summary {
    grid-template-columns: 1fr;
  }

  .sxcc-grand {
    grid-column: auto;
  }

  .sxcc-order-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .sxcc-order-controls {
    width: 100%;
  }

  .sxcc-order-controls button {
    flex: 1;
  }
}