html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #08131b;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

#app {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
  touch-action: none;
}

#overlay {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 10;
  max-width: min(1460px, 94vw);
  color: #eff7fb;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
  user-select: none;
  pointer-events: none;
}

.title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}

.line {
  font-size: 15px;
  line-height: 1.35;
  margin-bottom: 8px;
  opacity: 0.95;
}

.status {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.45;
  color: #d7f3ff;
}

.activation-panel {
  pointer-events: auto;
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 13;
  display: grid;
  gap: 6px;
  width: min(190px, 48vw);
  padding: 8px 9px;
  background: rgba(8, 15, 20, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  color: #eff7fb;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

.activation-panel button {
  width: 100%;
  min-height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 6px;
  background: rgba(14, 25, 33, 0.86);
  color: #eff7fb;
  font-size: 13px;
  font-weight: 700;
  -webkit-tap-highlight-color: transparent;
}

.activation-panel div {
  font-size: 10px;
  line-height: 1.35;
  opacity: 0.82;
}

.activation-panel[hidden] {
  display: none;
}

.audio-controls {
  pointer-events: auto;
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 12;
  display: grid;
  gap: 7px;
  width: min(190px, 48vw);
  padding: 9px 10px;
  background: rgba(8, 15, 20, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  color: #eff7fb;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

.audio-controls label {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  line-height: 1;
}

.audio-controls input,
.audio-controls select {
  width: 100%;
  accent-color: #7de0ff;
}

.audio-off-button {
  min-width: 0;
  height: 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 5px;
  background: rgba(14, 25, 33, 0.82);
  color: #eff7fb;
  font-size: 12px;
  font-weight: 700;
  -webkit-tap-highlight-color: transparent;
}

.audio-controls select {
  min-width: 0;
  color: #eff7fb;
  background: rgba(14, 25, 33, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 5px;
  font-size: 11px;
}

.audio-controls[hidden] {
  display: none;
}