.bundle-explorer {
  display: grid;
  grid-template-columns: minmax(13rem, .8fr) minmax(0, 1.4fr);
  gap: 1rem;
  margin: 1.4rem 0 2rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-muted);
}

.bundle-explorer-files {
  display: grid;
  align-content: start;
  gap: .45rem;
}

.bundle-explorer-label {
  margin: 0 0 .25rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.bundle-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .65rem;
  align-items: center;
  width: 100%;
  padding: .7rem .75rem;
  border: 1px solid transparent;
  border-radius: .75rem;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.bundle-item:hover,
.bundle-item:focus-visible {
  border-color: var(--border);
  background: var(--surface);
}

.bundle-item[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: inset 3px 0 0 var(--accent);
}

.bundle-item-index {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border: 1px solid var(--border);
  border-radius: .55rem;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.bundle-item-copy {
  min-width: 0;
}

.bundle-item-copy strong,
.bundle-item-copy small {
  display: block;
}

.bundle-item-copy strong {
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bundle-item-copy small {
  margin-top: .14rem;
  color: var(--muted);
  font-size: .72rem;
}

.bundle-explorer-panel {
  min-width: 0;
  padding: 1.15rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: var(--surface);
}

.bundle-panel-head {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.bundle-panel-stage {
  display: inline-flex;
  width: fit-content;
  margin-bottom: .35rem;
  padding: .25rem .42rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.bundle-panel-head h3 {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1rem, 2.4vw, 1.25rem);
}

.bundle-copy-button {
  flex: 0 0 auto;
  padding: .45rem .6rem;
  border: 1px solid var(--border);
  border-radius: .6rem;
  background: var(--surface-muted);
  color: var(--text);
  font: inherit;
  font-size: .72rem;
  font-weight: 700;
  cursor: pointer;
}

.bundle-copy-button:hover,
.bundle-copy-button:focus-visible {
  border-color: var(--accent);
}

.bundle-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.bundle-panel-block {
  min-width: 0;
  padding: .8rem;
  border: 1px solid var(--border);
  border-radius: .7rem;
  background: var(--surface-muted);
}

.bundle-panel-block-wide {
  grid-column: 1 / -1;
}

.bundle-panel-block h4 {
  margin: 0 0 .32rem;
  font-size: .77rem;
  letter-spacing: .02em;
}

.bundle-panel-block p {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.55;
}

.bundle-panel-block-boundary {
  border-style: dashed;
}

.bundle-panel-footer {
  display: flex;
  gap: .75rem;
  align-items: center;
  justify-content: space-between;
  margin-top: .9rem;
  padding-top: .8rem;
  border-top: 1px solid var(--border);
}

.bundle-panel-footer span {
  color: var(--muted);
  font-size: .74rem;
}

.bundle-panel-footer a {
  font-weight: 800;
  text-decoration: none;
}

.bundle-copy-helper {
  position: fixed;
  left: -9999px;
  top: 0;
}

@media (max-width: 780px) {
  .bundle-explorer {
    grid-template-columns: 1fr;
  }

  .bundle-explorer-files {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .bundle-explorer {
    margin-inline: -.25rem;
    padding: .75rem;
  }

  .bundle-explorer-files,
  .bundle-panel-grid {
    grid-template-columns: 1fr;
  }

  .bundle-panel-block-wide {
    grid-column: auto;
  }

  .bundle-panel-head,
  .bundle-panel-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .bundle-copy-button {
    width: 100%;
  }
}

@media (forced-colors: active) {
  .bundle-item[aria-selected="true"],
  .bundle-item:focus-visible,
  .bundle-copy-button:focus-visible {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bundle-item,
  .bundle-copy-button {
    transition: none;
  }
}