.training-demo-status {
  min-height: 44px;
  margin-top: 12px;
  color: #d7e4ed;
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
  overflow-wrap: anywhere;
}
.main-app-frame .cut-delete { visibility: hidden; }
.main-app-frame button:disabled { opacity: .4; cursor: default; }
.main-app-frame .cut-play,
.main-app-frame .main-play { cursor: pointer; }
.main-app-frame button:focus-visible {
  outline: 2px solid #9bebd1;
  outline-offset: 3px;
}
.main-app-frame button[aria-pressed="true"] {
  box-shadow: 0 0 0 2px #9bebd1;
}
.main-app-frame .library-item {
  width: 100%;
  color: inherit;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.main-app-frame .library-item:hover { border-color: #74baa7; }
.main-app-frame .demo-team-copy { min-width: 0; }
.main-app-frame .demo-team-copy strong { color: #edf4f8; }
.main-app-frame .demo-team-copy > span { overflow-wrap: anywhere; }
.main-app-frame .demo-team-check {
  flex: 0 0 16px;
  color: #9bebd1;
  visibility: hidden;
}
.main-app-frame .library-item[aria-pressed="true"] {
  box-shadow: inset 3px 0 0 #74baa7;
}
.main-app-frame .library-item[aria-pressed="true"] .demo-team-check { visibility: visible; }

/* Visual reference: the app's dark panels, input fields and playback controls. */
.main-app-frame {
  --demo-play: radial-gradient(circle at 30% 16%, #ffffff61, #ffffff14 30%, transparent 46%), linear-gradient(135deg, #26e08c, #0e8444 54%, #052814);
  background: #0b0c0e;
  color: #f0f2f5;
}
.main-app-frame .main-tab { background: #161618; border-color: #ffffff14; border-radius: 16px; }
.main-app-frame .main-tab-head { background: #ffffff08; min-height: 54px; padding: 14px 16px; }
.main-app-frame .main-tab-head > span:first-child { font-size: 15px; font-weight: 700; }
.main-app-frame .main-tab-head > span:last-child { display: none; }
.main-app-frame .main-tab-body { padding: 16px; }
.main-app-frame .library-item { background: transparent; border-color: transparent; border-radius: 16px; padding: 12px 16px; }
.main-app-frame .library-item.active { background: #1db95440; border-color: #1ed760; box-shadow: none; }
.main-app-frame .library-item strong { font-size: 14px; font-weight: 600; }
.main-app-frame .demo-team-copy > span { font-size: 10px; font-weight: 400; }
.main-app-frame .cut-card { padding: 16px; border-radius: 16px; }
.main-app-frame .cut-title { font-size: 15px; font-weight: 700; }
.main-app-frame .cut-delete { display: none; }
.main-app-frame .time-box { background: #0006; border-radius: 8px; }
.main-app-frame .time-box strong { font-size: 16px; }
.main-app-frame .cut-actions { grid-template-columns: minmax(0, 1fr) 48px; }
.main-app-frame .cut-play { height: 44px; border-radius: 12px; background: var(--demo-play); }
.main-app-frame .cut-pause { width: 48px; height: 44px; border-radius: 12px; }
.demo-deck-screen { background: #0005; border: 1px solid #ffffff14; border-radius: 16px; padding: 16px; display: grid; gap: 12px; }
.main-app-frame .track-title { font-size: 16px; font-weight: 700; text-align: center; min-height: 24px; }
.main-app-frame .waveform { height: 76px; margin: 0; align-items: end; }
.main-app-frame .waveform span { border-radius: 2px 2px 0 0; background: linear-gradient(#26e08c, #117444); }
.demo-deck-times { display: flex; justify-content: space-between; font-size: 12px; color: #9ca3af; font-variant-numeric: tabular-nums; }
.main-app-frame .main-controls { display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; align-items: center; gap: 10px; }
.main-app-frame .main-play { background: var(--demo-play); height: 64px; width: 100%; border-radius: 24px; }
.main-app-frame .mini-round { width: 44px; height: 44px; }
.demo-volume { display: flex; align-items: center; gap: 8px; font-size: 11px; color: #9ca3af; }
.demo-volume input { flex: 1; width: 0; min-width: 0; accent-color: #1ed760; }
.demo-volume output { width: 32px; text-align: right; font-variant-numeric: tabular-nums; }
.main-app-frame .countmaster-card { background: #ffffff05; border: 1px solid #ffffff14; }
.main-app-frame .countmaster-head { background: transparent; border-bottom: 1px dashed #ffffff14; }
.main-app-frame .countmaster-play { background: var(--demo-play); }
.main-app-frame .countmaster-repeat { background: transparent; }

.main-guide-card {
  display: grid;
  align-content: center;
}
.main-guide-card strong {
  justify-self: center;
  margin-bottom: 0;
  padding: 0 24px;
  text-align: center;
  transition: color 180ms ease;
}
.main-guide-card:hover,
.main-guide-card:focus,
.main-guide-card.is-open {
  align-content: start;
}
.main-guide-card:hover strong,
.main-guide-card:focus strong,
.main-guide-card.is-open strong {
  justify-self: stretch;
  padding-left: 0;
  text-align: left;
}
@media (max-width: 720px) {
  .main-app-frame .main-tab-body { padding: 12px; }
  .main-app-frame .cut-card { padding: 12px; }
  .main-guide-card { min-height: 58px; }
}