[hidden] { display: none !important; }
body {
  margin: 0;
  padding: 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--os-ground);
  color: var(--os-ink);
  font-family: var(--os-font-body);
}
.player-header { width: 100%; max-width: 1120px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; }
.player-header h1 { margin: 0; font-size: var(--os-type-title-size); letter-spacing: var(--os-type-title-tracking); font-weight: 700; }
.player-sub { font-size: var(--os-type-label-size); color: var(--os-muted); margin-top: 2px; overflow-wrap: anywhere; }
.badge-runtime { font-family: var(--os-font-mono); font-size: var(--os-type-label-size); background: var(--os-fam-surface); padding: 4px 10px; border-radius: var(--os-radius-sm); border: 1px solid var(--os-rule); letter-spacing: 0; }
.player-grid { display: grid; align-items: start; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 24px; width: 100%; max-width: 1120px; }
.stage-wrapper { min-width: 0; display: grid; gap: 12px; }
.interactive-hud { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hud-btn {
  display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; margin: 0;
  background: var(--os-fam-surface); color: var(--os-ink); border: 1px solid var(--os-rule); border-radius: var(--os-radius-sm);
  font: inherit; font-size: var(--os-type-meta-size); font-weight: 600; cursor: pointer;
  transition: transform var(--ss-duration, 0ms) var(--ss-easing, linear);
}
.hud-btn:active { transform: translateY(var(--os-press-y)) scale(var(--os-press-scale)); }
.hud-btn:focus-visible, .aspect-btn:focus-visible, .source-link:focus-visible, .inspect-tools select:focus-visible, .inspect-tools button:focus-visible {
  outline: var(--os-focus-ring-width) solid var(--os-focus-ring-color); outline-offset: var(--os-focus-ring-offset);
}
.hud-ic { width: 16px; height: 16px; display: inline-block; background: currentColor; -webkit-mask: var(--hud-ic) center / contain no-repeat; mask: var(--hud-ic) center / contain no-repeat; }
.sidebar { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.panel, .inspector { border-top: 1px solid var(--os-rule); padding: 16px 0; min-width: 0; }
details.panel summary { cursor: pointer; }
details.panel[open] summary { margin-bottom: 12px; }
.panel-title { font-size: var(--os-type-label-size); font-weight: 700; text-transform: uppercase; letter-spacing: var(--os-type-label-tracking); color: var(--os-muted); margin-bottom: 12px; }
details.panel > summary.panel-title { margin-bottom: 0; }
.telemetry-row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--os-rule); font-size: var(--os-type-meta-size); }
.telemetry-row:last-child { border-bottom: none; }
.telemetry-val { font-family: var(--os-font-mono); font-weight: 600; font-variant-numeric: tabular-nums; }
.aspect-btn-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.aspect-btn { padding: 8px 0; background: var(--os-fam-surface); border: 1px solid var(--os-rule); border-radius: var(--os-radius-sm); font: inherit; font-size: var(--os-type-label-size); font-weight: 600; color: var(--os-ink); cursor: pointer; text-align: center; }
.aspect-btn[aria-pressed="true"] { background: var(--os-ink); color: var(--os-ground); border-color: var(--os-ink); }
.aspect-btn:disabled { opacity: var(--os-press-disabled-opacity); cursor: var(--os-press-disabled-cursor); }
.source-links { display: flex; flex-wrap: wrap; gap: 8px; }
.source-link { padding: 8px 12px; border: 1px solid var(--os-rule); border-radius: var(--os-radius-sm); background: var(--os-fam-surface); color: var(--os-ink); font-size: var(--os-type-label-size); font-weight: 600; text-decoration: none; }
.source-link[aria-current="page"] { border-color: var(--os-blue); color: var(--os-blue); }
.receipt-feed { height: 180px; overflow-y: auto; font-family: var(--os-font-mono); font-size: var(--os-type-label-size); background: var(--os-fam-surface); padding: 8px; border-radius: var(--os-radius-sm); border: 1px solid var(--os-rule); display: flex; flex-direction: column; gap: 6px; }
.receipt-item { overflow-wrap: anywhere; }
.inspect-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.inspect-tools label { flex: 1; font-size: var(--os-type-meta-size); font-weight: 600; }
.inspect-tools select { order: 3; flex-basis: 100%; min-width: 0; height: 116px; font: inherit; font-size: var(--os-type-meta-size); padding: 4px; border: 1px solid var(--os-rule); background: var(--os-fam-surface); color: var(--os-ink); border-radius: var(--os-radius-sm); }
.inspect-tools button { width: 36px; height: 36px; border: 1px solid var(--os-rule); border-radius: var(--os-radius-sm); background: var(--os-fam-surface); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.inspect-tools button:disabled { opacity: var(--os-press-disabled-opacity); cursor: var(--os-press-disabled-cursor); }
#pauseHash { display: block; min-height: 3em; overflow-wrap: anywhere; font: var(--os-type-label-size) / 1.5 var(--os-font-mono); color: var(--os-muted); }
#inspectStatus { font-size: var(--os-type-label-size); min-height: 1.5em; color: var(--os-muted); margin: 8px 0 0; }
.inspect-values { margin: 0 0 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 5px 12px; font-size: var(--os-type-label-size); }
.inspect-values dt { color: var(--os-muted); }
.inspect-values dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
@media (max-width: 860px) { .player-grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { body { padding: 16px; } .player-grid { gap: 16px; } .telemetry-row { flex-wrap: wrap; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }