#theme-select {
  height: 40px;
  max-width: 110px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  font-size: 12px;
}
.concert-group {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 16px;
  overflow: hidden;
}
.concert-group summary {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}
.concert-group summary::-webkit-details-marker { display: none; }
.concert-group summary > span:nth-child(2) { flex: 1; min-width: 0; }
.concert-group summary strong, .concert-group summary small { display: block; }
.concert-group summary strong a:hover { color: var(--miku-bright); text-decoration: underline; }
.concert-group summary small { color: var(--muted); margin-top: 4px; font-size: 12px; }
.concert-chevron { flex: none; font-size: 12px; color: var(--miku-bright); }
.concert-group .when-open, .concert-group[open] .when-closed { display: none; }
.concert-group[open] .when-open { display: inline; }
.concert-body { padding: 0 18px 18px; border-top: 1px solid var(--line); }
.concert-city h3 { font-size: 16px; margin: 22px 0 10px; }
.concert-session {
  display: grid;
  grid-template-columns: 150px minmax(0,1fr) auto;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
}
.concert-session:hover { background: var(--panel-2); border-color: var(--line-strong); }
.concert-session small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.session-date { font-variant-numeric: tabular-nums; }
.session-action { color: var(--miku-bright); font-size: 12px; }
.outside-filter { opacity: .65; border-style: dashed; }
.concert-overview {
  display: flex;
  gap: 28px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.concert-overview > div { min-width: 0; flex: 1; }
.concert-overview .page-heading { margin-bottom: 12px; }
.image-source, .playlist-empty { font-size: 12px; color: var(--muted); }
.image-source { display: inline-block; margin-top: 12px; }
.playlist-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.focused-cover { display: block; position: relative; overflow: hidden; background: #e7efef; }
.focused-cover img {
  position: absolute;
  display: block;
  width: calc(100% * var(--cover-zoom, 1));
  height: calc(100% * var(--cover-zoom, 1));
  max-width: none;
  left: calc((1 - var(--cover-zoom, 1)) * var(--cover-x, 50%));
  top: calc((1 - var(--cover-zoom, 1)) * var(--cover-y, 50%));
  object-fit: var(--cover-fit, contain);
  object-position: var(--cover-x, 50%) var(--cover-y, 50%);
}
.concert-thumb { flex: 0 0 112px; width: 112px; height: 84px; border-radius: 9px; }
.concert-main-cover { flex: 0 0 280px; width: 280px; height: 210px; border-radius: 12px; }
.tier-card-image::after { background: none; }
.tier-card-image.focused-cover img { object-fit: var(--cover-fit, contain); }
.tier-card-image .tier-card-links { z-index: 2; }
.tier-side-search .button { min-width: 64px; flex: none; white-space: nowrap; }
@media (max-width: 900px) {
  .concert-main-cover { flex-basis: 220px; width: 220px; height: 165px; }
}
@media (max-width: 620px) {
  .topbar-meta { gap: 6px; }
  .topbar-meta .status-dot { display: none; }
  #theme-select { max-width: 78px; padding: 0 3px; }
  .concert-overview { flex-direction: column; padding: 18px; gap: 18px; }
  .concert-main-cover { flex-basis: auto; width: 100%; height: auto; aspect-ratio: 4/3; }
  .concert-group summary { gap: 10px; padding: 12px; }
  .concert-thumb { flex-basis: 72px; width: 72px; height: 54px; }
  .concert-chevron { width: 16px; overflow: hidden; font-size: 0; }
  .concert-chevron::after { content: '⌄'; font-size: 20px; }
  .concert-group summary strong { font-size: 14px; }
  .concert-group summary small { font-size: 11px; }
  .concert-body { padding: 0 10px 10px; }
  .concert-session { grid-template-columns: 106px minmax(0,1fr); gap: 10px; padding: 12px; font-size: 13px; }
  .session-action { grid-column: 2; }
}