/* Shared HUD presentation. Editor owns its grid; preview shells own placement. */
.playback-hud-surface {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-pill);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.playback-btn {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--btn-border);
  border-radius: var(--radius-round);
  background: var(--btn-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    background var(--control-duration) var(--control-ease),
    border-color var(--control-duration) var(--control-ease),
    color var(--control-duration) var(--control-ease),
    transform var(--control-duration) var(--control-ease);
}

.playback-btn svg {
  width: 20px;
  height: 20px;
}

.playback-btn:hover,
.playback-btn:focus-visible {
  background: var(--btn-hover-bg);
  border-color: var(--border-strong);
  color: var(--text-bright);
  outline: none;
}

body.light-mode .playback-btn:not(:disabled) {
  color: var(--text-bright);
  opacity: 1;
}

.playback-btn:disabled {
  opacity: var(--icon-control-disabled-opacity);
  cursor: default;
  pointer-events: none;
}

.playback-btn-ghost {
  background: transparent;
  border-color: transparent;
}

.playback-btn-ghost:hover,
.playback-btn-ghost:focus-visible {
  background: transparent;
  color: var(--text-bright);
  border-color: var(--btn-border);
}

.playback-btn-ghost.active:hover,
.playback-btn-ghost.active:focus-visible {
  border-color: var(--accent-primary);
}


.playback-btn-ghost.active {
  color: var(--text-bright);
  border-color: var(--accent-primary);
  border-radius: var(--radius-round);
  background: var(--btn-primary-bg);
}


.playback-btn-main {
  width: var(--hud-play-button-size);
  height: var(--hud-play-button-size);
  margin: 0;
  border-width: 1px;
  border-color: var(--render-family-control-outline);
  border-radius: var(--radius-round);
  color: var(--text-muted);
}

.playback-btn-main svg {
  width: 24px;
  height: 24px;
}


.speed-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: var(--radius-round);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition:
    background var(--control-duration) var(--control-ease),
    color var(--control-duration) var(--control-ease),
    opacity var(--control-duration) var(--control-ease),
    transform var(--control-duration) var(--control-ease);
  opacity: 0.72;
}

.speed-btn svg {
  width: 18px;
  height: 18px;
}

.speed-btn:hover,
.speed-btn:focus-visible {
  opacity: 1;
  color: var(--text-bright);
  background: var(--fill-soft);
  outline: none;
}

body.light-mode .speed-btn:not(:disabled) {
  opacity: 0.86;
}


:root {
  --render-family-control-surface:
    linear-gradient(
      145deg,
      var(--raised-control-surface-highlight) 0%,
      var(--raised-control-surface-shadow) 100%
    );
  --shadow-render-family-raised:
    calc(-1 * var(--raised-control-elevation-offset))
    calc(-1 * var(--raised-control-elevation-offset))
    var(--raised-control-elevation-blur)
    var(--raised-control-highlight),
    var(--raised-control-elevation-offset)
    var(--raised-control-elevation-offset)
    var(--raised-control-elevation-blur)
    var(--raised-control-shadow);
  --shadow-render-family-bevel:
    inset 1px 1px 0 var(--raised-control-bevel-highlight),
    inset -1px -1px 0 var(--raised-control-bevel-shadow);
  /* Pressed controls keep a dark inset only. A counter-directional highlight
     renders as a partial white ring on circular buttons. */
  --shadow-render-family-pressed: inset 4px 4px 8px var(--raised-control-shadow);
}

.pb-stat-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: var(--hud-stat-group-width);
  min-width: var(--hud-stat-group-width);
  flex: 0 0 var(--hud-stat-group-width);
}

.pb-stat-btns {
  display: flex;
  gap: 6px;
  margin-bottom: -6px;
}

.pb-stat-btns .playback-btn,
.playback-btn-main {
  background: var(--render-family-control-surface);
  box-shadow: var(--shadow-render-family-raised);
  transition:
    background var(--control-duration) var(--control-ease),
    border-color var(--control-duration) var(--control-ease),
    color var(--control-duration) var(--control-ease),
    box-shadow var(--control-duration) var(--control-ease),
    transform var(--control-duration) var(--control-ease);
}

.pb-stat-btns .playback-btn {
  border-color: var(--render-family-control-outline);
}

.pb-stat-btns .playback-btn:hover,
.playback-btn-main:hover {
  background: var(--render-family-control-surface);
  box-shadow: var(--shadow-render-family-raised);
}

.playback-btn-main:hover {
  border-color: var(--render-family-control-outline);
}

.pb-stat-btns .playback-btn:focus-visible,
.playback-btn-main:focus-visible {
  background: var(--render-family-control-surface);
  box-shadow: var(--focus-ring), var(--shadow-render-family-raised);
}

.pb-stat-btns .playback-btn:active:not(:disabled),
.playback-btn-main:active:not(:disabled) {
  background: var(--render-family-control-surface);
  box-shadow: var(--shadow-render-family-pressed);
  transform: scale(0.97);
}

.hud-mode-slot {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  position: relative;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: max-content;
  min-width: 0;
  flex: 0 0 auto;
  align-self: center;
  padding: var(--space-2) var(--space-4);
  border-left: 1px solid var(--border-faint);
  border-right: 1px solid var(--border-faint);
}

.hud-mode-toggle {
  --toolbar-round-icon-size: var(--hud-mode-toggle-icon-size);
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
  width: var(--hud-mode-toggle-size);
  height: var(--hud-mode-toggle-size);
  margin: 0;
  padding: 0;
  border-color: var(--btn-border);
  background: transparent;
  color: var(--tool-icon-color);
  line-height: 0;
}

.hud-icon-slot {
  display: contents;
}

.hud-mode-slot .hud-mode-toggle {
  --toolbar-round-icon-size: var(--hud-mode-toggle-icon-size);
  width: var(--hud-mode-toggle-size);
  height: var(--hud-mode-toggle-size);
}

.hud-mode-toggle svg {
  width: var(--toolbar-round-icon-size);
  height: var(--toolbar-round-icon-size);
}

.hud-mode-toggle svg :is(path, line, polyline, polygon, ellipse, rect, circle) {
  stroke-width: var(--compact-tool-icon-stroke-width);
  vector-effect: non-scaling-stroke;
}

.hud-mode-toggle:hover,
.hud-mode-toggle:focus-visible {
  border-color: var(--btn-border);
  color: var(--text-bright);
}

.hud-mode-toggle.active,
.hud-mode-toggle.active:hover,
.hud-mode-toggle.active:focus-visible {
  border-color: currentcolor;
  color: var(--tool-icon-color);
  background: transparent;
}

.speed-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: min(var(--speed-inline-control-width), 100%);
}

.core-speed-control {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: min(var(--speed-inline-control-width), 100%);
}

.speed-value {
  font-size: var(--font-size-panel-title);
  font-weight: var(--font-weight-semibold);
  color: var(--instrument-value-color);
  min-width: 36px;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
  cursor: pointer;
  padding: 2px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, transform 0.15s ease;
}

.speed-column {
  --speed-inline-control-width: 84px;

  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: min(var(--speed-inline-control-width), var(--hud-mirror-column-width));
  min-width: 0;
  flex: 0 0 auto;
}

.speed-sublabel {
  position: static;
  margin-bottom: 1px;
  font-size: var(--font-size-micro);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  line-height: 1;
  white-space: nowrap;
  text-align: center;
}

.speed-value:hover {
  background: var(--fill-visible);
}

.speed-value.core {
  min-width: 32px;
}

.playback-transport { display: contents; }
[data-playback-hud] {
  --hud-stat-group-width: 72px;
  --hud-mirror-column-width: 104px;
  --hud-mode-toggle-size: 26px;
  --hud-mode-toggle-icon-size: 16px;
  --hud-play-button-size: 60px;
  --radius-round: 50%;
  --radius-pill: 999px;
  --radius-sm: 4px;
  --space-2: 4px;
  --space-4: 8px;
  --border-faint: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.25);
  --control-duration: 0.12s;
  --control-ease: ease;
  --icon-control-disabled-opacity: 0.28;
  --tool-icon-stroke-width: 2;
  --compact-tool-icon-stroke-width: 1;
  --tool-icon-color: var(--text-muted);
  --instrument-value-color: color-mix(in srgb, var(--text-bright) 30%, var(--text-muted));
  --font-size-panel-title: 15px;
  --font-size-micro: 7.4px;
  --font-weight-semibold: 600;
  --focus-ring: 0 0 0 2px rgba(128,128,128,0.3);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 6px 8px;
  max-width: 100%;
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 12px;
  line-height: 1.2;
  pointer-events: auto;
}
[data-playback-hud] .pb-stat-btns { margin-bottom: 0; }
[data-playback-hud] .speed-value { cursor: default; }
.playback-hud-status { flex-basis: 100%; text-align: center; }
.playback-hud-status:empty { display: none; }
[data-playback-hud] .playback-btn[aria-pressed="true"] { color: var(--text-bright); border-color: var(--text-bright); }
@media (prefers-reduced-motion: reduce) { [data-playback-hud] button { transition: none; } }