.playback-screen-root {
  --playback-bg: #f8fafc;
  --playback-panel: #ffffff;
  --playback-text: #0f172a;
  --playback-muted: #64748b;
  --playback-line: #dbe3ef;
  --playback-btn: #ffffff;
  --playback-btn-active: #007bff;
  --playback-danger: #ef4444;
  --playback-ok: #16a34a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--playback-text);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  background: var(--playback-bg);
}

.playback-screen-root,
.playback-screen-root * {
  box-sizing: border-box;
}

.playback-screen-page-body {
  margin: 0;
  background: #f8fafc;
}

.playback-screen-root.playback-screen-page {
  min-height: 100vh;
  background: var(--playback-bg);
  padding-top: calc(var(--backend-shell-height, 0px) + var(--backend-body-top-gap, 0px) + 8px);
  padding-right: max(10px, env(safe-area-inset-right));
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  padding-left: max(10px, env(safe-area-inset-left));
}

.playback-screen-root.playback-screen-popup-root {
  position: absolute;
  inset: 0;
  background: var(--playback-bg);
  padding: 8px max(10px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  overflow: hidden;
}

.playback-screen-root .wrap {
  max-width: none;
  width: 100%;
  margin: 0;
  display: grid;
  gap: 4px;
}

.playback-screen-root .panel {
  background: var(--playback-panel);
  border: 1px solid var(--playback-line);
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  display: grid;
  gap: 4px;
}

.playback-screen-root.playback-screen-popup-root .panel {
  border: none;
  box-shadow: none;
  padding: 0;
}

.playback-screen-popup .playback-screen-card,
.playback-screen-popup .playback-screen-popup-body {
  background: #f8fafc;
}

.playback-screen-root .row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.playback-screen-root button {
  border: 1px solid #dbe3ef;
  background: var(--playback-btn);
  color: var(--playback-text);
  border-radius: 8px;
  padding: 8px 11px;
  font-size: 13px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.playback-screen-root button:hover {
  border-color: #bfd0e3;
}

.playback-screen-root .title {
  margin: 0;
  font-size: 17px;
}

.playback-screen-root .song-title {
  margin-left: 2px;
  color: var(--playback-text);
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 220px;
  flex: 1 1 280px;
}

.playback-screen-root .meta {
  color: var(--playback-muted);
  font-size: 13px;
}

.playback-screen-root .status {
  color: var(--playback-muted);
  font-size: 13px;
  min-height: 18px;
}

.playback-screen-root .wave-wrap {
  background: #f8fbff;
  border: 1px solid #dbe3ef;
  border-radius: 10px;
  padding: 6px;
}

.playback-screen-root #waveCanvas {
  width: 100%;
  height: 220px;
  display: block;
}

.playback-screen-root .marker-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  align-content: start;
  max-height: 56vh;
  overflow: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 36px;
  scroll-padding-bottom: 36px;
}

.playback-screen-root .marker-list::-webkit-scrollbar {
  display: none;
}

.playback-screen-root .marker-list button {
  width: 100%;
  text-align: left;
  background: #f8fbff;
}

.playback-screen-root .panel,
.playback-screen-root .row,
.playback-screen-root .marker-list,
.playback-screen-root .wave-wrap {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.playback-screen-root .marker-list button.active {
  background: var(--playback-btn-active);
  border-color: #60a5fa;
  color: #fff;
}

.playback-screen-root .marker-list button.next {
  border-color: #f59e0b;
  box-shadow: inset 0 0 0 1px #f59e0b;
}

.playback-screen-root .playback-icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  border: none !important;
  border-radius: 999px;
  background: transparent !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none !important;
}

.playback-screen-root .playback-icon-button svg {
  width: 40px;
  height: 40px;
  display: block;
}

.playback-screen-root .playback-icon-button:hover {
  border: none !important;
  background: transparent !important;
  transform: translateY(-1px);
}

.playback-screen-root .playback-icon-button.play.is-active svg circle {
  fill: #16a34a;
}

.playback-screen-root .playback-icon-button.stop.is-idle svg circle {
  fill: #94a3b8;
}

.playback-screen-root .playback-orig-button {
  border: none;
  border-radius: 999px;
  padding: 8px 12px;
  background: #444;
  color: #fff;
  font-weight: 700;
  line-height: 1;
}

.playback-screen-root .playback-orig-button.active {
  background: #0a0;
}

.playback-screen-root .fil1 {
  fill: none;
}

.playback-screen-root .str0 {
  stroke: #FEFEFE;
  stroke-width: 0.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 22.9256;
}

.playback-screen-root .str1 {
  stroke: #FEFEFE;
  stroke-width: 0.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 22.9256;
}

.playback-screen-root .fil0 {
  fill: #007BFF;
}