:root {
  color-scheme: dark;
  --surface: var(--vscode-editor-background, #191b1d);
  --raised: var(--vscode-input-background, #24272a);
  --text: var(--vscode-foreground, #edf0f2);
  --muted: var(--vscode-descriptionForeground, #aeb4bb);
  --line: var(--vscode-panel-border, #383c40);
  --control-border: var(--vscode-input-border, #777e86);
  --hover: var(--vscode-toolbar-hoverBackground, #34393e);
  --accent: #83dfc5;
  --on-accent: #13251f;
  --map-accent: #ecc389;
  --focus: var(--vscode-focusBorder, #83dfc5);
  --mono: var(--vscode-editor-font-family, ui-monospace, SFMono-Regular, Consolas, monospace);
  font: 13px/1.5 var(--vscode-font-family, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  letter-spacing: 0;
  color: var(--text);
  background: var(--surface);
}
body.vscode-light, body.vscode-high-contrast-light {
  color-scheme: light;
  --surface: var(--vscode-editor-background, #ffffff);
  --raised: var(--vscode-input-background, #f3f4f5);
  --text: var(--vscode-foreground, #24292f);
  --muted: var(--vscode-descriptionForeground, #57606a);
  --line: var(--vscode-panel-border, #d0d7de);
  --control-border: var(--vscode-input-border, #8c959f);
  --hover: var(--vscode-toolbar-hoverBackground, #eaeef2);
  --accent: #13725b;
  --on-accent: #ffffff;
  --map-accent: #855119;
  --focus: var(--vscode-focusBorder, #13725b);
  color: var(--text);
  background: var(--surface);
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 0; min-height: 100vh; }
[hidden] { display: none !important; }
svg { width: 16px; height: 16px; flex: none; stroke-width: 1.75; }
header { min-height: 56px; padding: 12px 24px; display: flex; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand > img { width: 32px; height: 32px; object-fit: contain; flex: none; }
.brand strong { font-size: 16px; font-weight: 600; }
main { max-width: 1920px; margin: 0 auto; }
#view-options { display: flex; align-items: center; gap: 6px; flex: none; }
[role=tablist] { display: flex; align-items: center; gap: 2px; background: var(--raised); padding: 2px; border-radius: 6px; }
[role=tab], #reset-view { width: 32px; height: 32px; min-width: 32px; min-height: 32px; border-radius: 4px; padding: 6px; color: var(--muted); }
#view-options button svg { width: 16px; height: 16px; }
[role=tab][aria-selected=true] { color: var(--on-accent); background: var(--accent); }
.viewport { padding: 16px 24px; background: #08090a; border-block: 1px solid var(--line); }
#stage { --video-aspect: 2; position: relative; aspect-ratio: var(--video-aspect); width: min(100%, calc(var(--stage-height, max(200px, 100dvh - 382px)) * var(--video-aspect))); margin: 0 auto; background: #08090a; }
#viewport-resize { height: 24px; display: flex; align-items: center; justify-content: center; cursor: ns-resize; touch-action: none; user-select: none; background: #08090a; }
#viewport-resize::after { content: ''; width: 40px; height: 3px; border-radius: 2px; background: var(--muted); }
#viewport-resize:hover::after, #viewport-resize:focus-visible::after { background: var(--accent); }
#viewport-resize:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
#video, #projected { left: var(--video-left, 0%); right: auto; width: var(--video-width, 100%); }
#spatial { position: absolute; inset: 0; background: #08090a; cursor: grab; touch-action: none; }
#spatial:active { cursor: grabbing; }
#pano-thumbnail { position: static; display: block; width: 100%; height: auto; aspect-ratio: 2; }
#overview-content { aspect-ratio: 2; }
#overview-overlay { top: 240px; }
#empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 16px; padding: 24px; text-align: center; overflow-wrap: anywhere; background: #111315; color: #c6ccd2; }
#empty > svg { width: 32px; height: 32px; }
#audio-poster { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: #aeb4bb; }
#audio-poster > svg { width: 48px; height: 48px; color: #83dfc5; stroke-width: 1; }
#retry { padding-inline: 16px; border-color: var(--control-border); }
#transport { display: flex; align-items: center; gap: 16px; padding: 12px 24px; border-bottom: 1px solid var(--line); }
button { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; min-width: 36px; flex: none; border-radius: 4px; background: transparent; border: 1px solid transparent; color: inherit; cursor: pointer; padding: 7px; font: inherit; transition: background-color 120ms ease, color 120ms ease; }
button:hover { background: var(--hover); }
button:active { background: var(--raised); }
button:disabled { opacity: .4; cursor: default; }
button svg { width: 18px; height: 18px; }
#play { width: 40px; height: 40px; background: var(--accent); color: var(--on-accent); }
#play:hover:not(:disabled) { filter: brightness(1.12); }
#play:active:not(:disabled) { filter: brightness(.9); }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, #spatial:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
input[type=range][data-pointer-focus], select[data-pointer-focus] { outline: none; }
#spatial:focus-visible { outline-offset: -3px; }
#time { flex: none; min-width: 106px; font: 12px/1.5 var(--mono); font-variant-numeric: tabular-nums; }
#seek-track { position: relative; flex: 1; min-width: 40px; height: 32px; }
#seek-envelope { inset: 0 6px; width: calc(100% - 12px); }
#seek { position: absolute; inset: 0; width: 100%; height: 32px; appearance: none; background: transparent; }
#seek::-webkit-slider-runnable-track { height: 32px; background: transparent; border-bottom: 1px solid var(--control-border); }
#seek::-webkit-slider-thumb { appearance: none; width: 12px; height: 32px; border: 1px solid var(--surface); border-radius: 2px; background: var(--accent); }
.volume-controls { display: flex; align-items: center; gap: 6px; }
#volume { width: 64px; }
#volume-value, #opacity-value, #gridOpacity-value { min-width: 4ch; color: var(--muted); font: 12px/1.5 var(--mono); text-align: right; font-variant-numeric: tabular-nums; }
.floating-overlay { position: fixed; z-index: 20; top: 76px; right: 16px; width: min(240px, calc(100vw - 16px)); max-height: calc(100dvh - 16px); overflow: auto; border: 1px solid var(--control-border); border-radius: 4px; background: color-mix(in srgb, var(--surface) 72%, transparent); }
.floating-overlay:focus-within { z-index: 21; }
.floating-titlebar { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 2px; padding: 0 6px; border-bottom: 1px solid var(--line); cursor: move; touch-action: none; }
.floating-titlebar h2 { display: flex; align-items: center; gap: 6px; margin: 0 auto 0 0; font-size: 11px; font-weight: 600; }
.floating-titlebar button { width: 24px; height: 24px; min-width: 24px; min-height: 24px; padding: 3px; }
.floating-titlebar svg { width: 14px; height: 14px; }
.floating-titlebar:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
#meter-help { position: fixed; inset: auto; margin: 0; width: min(300px, calc(100vw - 16px)); max-height: calc(100dvh - 16px); overflow: auto; padding: 12px; border: 1px solid var(--control-border); border-radius: 4px; background: var(--surface); color: var(--text); font: 12px/1.45 var(--vscode-font-family, system-ui, sans-serif); box-shadow: 0 4px 12px #0003; }
#meter-help p, #meter-help dl { margin: 0; }
#meter-help dt { margin-top: 8px; font-weight: 600; }
#meter-help dd { margin: 2px 0 0; }
#meter-help p { color: var(--muted); }
#meter-help p:last-child { margin-top: 10px; }
.meter-groups { display: grid; gap: 2px; padding: 4px 8px; }
.meter-group { display: grid; grid-template-columns: 48px minmax(0, 1fr); align-items: center; gap: 4px; min-width: 0; }
.meter-group h3 { margin: 0; font-size: 10px; line-height: 18px; font-weight: 600; white-space: nowrap; }
.meter-group h3 > span, .meter-maximum, .meter-clips, .meter-axis, .meter-column > span:empty, .range-group .meter-caption { display: none; }
.meter-columns { display: flex; gap: 6px; min-width: 0; }
.meter-column { display: grid; grid-template-columns: 8px minmax(0, 1fr); grid-template-rows: 14px 4px; flex: 1; min-width: 0; font: 10px/14px var(--mono); font-variant-numeric: tabular-nums; }
.meter-column output { grid-row: 1; grid-column: 2; text-align: right; white-space: nowrap; }
.meter-caption { grid-row: 1; grid-column: 1; }
.loudness-track { grid-row: 2; grid-column: 1 / -1; position: relative; overflow: hidden; background: color-mix(in srgb, var(--text) 15%, transparent); border-radius: 1px; }
:is(.peak-group, .true-group) .meter-columns { flex-direction: column; gap: 2px; }
:is(.peak-group, .true-group) .meter-column { grid-template-columns: 8px minmax(0, 1fr) 36px; grid-template-rows: 12px; column-gap: 4px; line-height: 12px; }
:is(.peak-group, .true-group) .loudness-track { grid-row: 1; grid-column: 2; align-self: center; height: 4px; }
:is(.peak-group, .true-group) .meter-column output { grid-column: 3; }
.loudness-fill { position: absolute; inset: 0; background: linear-gradient(to right, #6bce9f 0% 70%, #ecc389 70% 90%, #ed6a67 90%); clip-path: inset(0 calc(100% - var(--level, 0%)) 0 0); }
.true-group .loudness-fill { background: #ecc389; }
.rms-group .loudness-fill { background: #a6b1bd; }
.lufs-group .loudness-fill, .range-group .loudness-fill { background: #4fafe0; }
.range-group .loudness-fill { right: auto; left: var(--low, 0%); width: max(0px, calc(var(--high, 0%) - var(--low, 0%))); clip-path: none; }
.meter-hold { position: absolute; inset-block: 0; left: clamp(0px, var(--peak, 0%), calc(100% - 1px)); width: 1px; background: var(--text); }
.loudness-track[data-clipping=true] + output { color: var(--vscode-errorForeground, #ed6a67); }
.loudness-track[data-clipping=true] .meter-hold { background: var(--vscode-errorForeground, #ed6a67); }
#meter-status { padding: 0 8px; border-top: 1px solid var(--line); font: 10px/14px var(--mono); }
input[type=range] { accent-color: var(--accent); cursor: pointer; margin: 0; height: 24px; }
input[type=checkbox] { accent-color: var(--map-accent); width: 16px; height: 16px; margin: 0; cursor: pointer; }
input:disabled, select:disabled { opacity: .45; cursor: not-allowed; }
#options { display: grid; gap: 6px; padding: 10px 24px; }
.settings-section { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 10px; align-items: start; }
.settings-section h2 { display: flex; align-items: center; gap: 6px; margin: 0; padding-top: 4px; font-size: 13px; font-weight: 600; }
#reset-settings { margin-left: auto; min-width: 28px; min-height: 28px; padding: 4px; }
.settings-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; min-width: 0; }
#options label { gap: 6px; }
#options select { min-height: 28px; padding: 2px 6px; }
#options .toggle { min-height: 26px; }
.overlay-control { position: relative; display: inline-flex; align-items: center; gap: 6px; min-height: 28px; border: 1px solid transparent; border-radius: 4px; max-width: 100%; }
.overlay-control .toggle { flex: none; }
.overlay-settings summary { display: flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 4px; cursor: pointer; list-style: none; }
.overlay-settings summary::-webkit-details-marker { display: none; }
.overlay-settings summary:hover, .overlay-settings[open] summary { background: var(--hover); }
.overlay-settings[open] summary svg { transform: rotate(180deg); }
.overlay-menu { position: absolute; z-index: 30; top: calc(100% + 4px); right: 0; width: 200px; padding: 12px; display: grid; gap: 12px; border: 1px solid var(--control-border); border-radius: 4px; background: var(--surface); box-shadow: 0 4px 12px #0003; }
.overlay-menu > label { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 8px; }
.overlay-menu > .overlay-opacity { grid-template-columns: minmax(0, 1fr) auto; }
.overlay-opacity input { grid-column: 1 / -1; }
#audio-track-control { max-width: 100%; }
#audio-track { width: 240px; min-width: 0; text-overflow: ellipsis; }
label { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); min-width: 0; }
.toggle { color: var(--text); cursor: pointer; min-height: 34px; }
#opacity, #gridOpacity { width: 100%; min-width: 24px; accent-color: var(--map-accent); }
select { font: inherit; background: transparent; color: var(--text); border: 1px solid transparent; border-radius: 4px; min-height: 34px; padding: 4px 8px; max-width: 100%; cursor: pointer; }
select:hover:not(:disabled) { background: var(--hover); }
select option { background: var(--raised); color: var(--text); }
footer { display: flex; gap: 8px 24px; justify-content: space-between; flex-wrap: wrap; color: var(--muted); padding: 10px 24px; border-top: 1px solid var(--line); font: 12px/1.5 var(--mono); }
#detail { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 760px) {
  header, #transport, #options, footer { padding-inline: 16px; }
  header { flex-wrap: wrap; gap: 8px 16px; }
  .viewport { padding: 12px 0; }
  #transport { gap: 8px; flex-wrap: wrap; }
  #time { min-width: 100px; }
  #volume, #volume-value { display: none; }
  #view-options { margin-left: auto; }
}
@media (max-width: 480px) {
  .settings-section { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .overlay-menu { right: auto; left: 0; max-width: calc(100vw - 32px); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }
@media (forced-colors: active) { button, select, #play { border: 1px solid ButtonText; } .overlay-control, .overlay-opacity { border-color: ButtonText; } [role=tab][aria-selected=true] { background: Highlight; color: HighlightText; } .loudness-fill { background: Highlight; } .meter-hold { background: CanvasText; } }