.canvas-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.audio-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.75rem 1rem;
  width: 100%;
  align-items: baseline;
}

.audio-title {
  grid-column: 1;
  grid-row: 1;
  white-space: nowrap;
}

.audio-control {
  grid-column: 2 / -1;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-self: end;
}

.audio-meta {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  width: 100%;
}

.audio-sr,
.audio-status {
  flex: 0 0 auto;
  min-height: 1.2em;
}

#play-pause-btn {
  flex: 0 0 60px;
}
}

.surface {
  position: relative;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, var(--panel), rgba(255, 255, 255, 0.65));
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.overlay:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.75));
}

.overlay-content {
  text-align: center;
  padding: 2rem;
}

.overlay-text {
  font-family: var(--ui);
  font-weight: 900;
  letter-spacing: 0.06em;
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.overlay-subtext {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  min-width: 0;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* Frequency gets more vertical space */
#spectrum {
  /* Canvas internal resolution will be taller */
}

#waveform {
  /* Canvas internal resolution will be shorter */
}