/* ==========================================================================
   Icon State Visibility for Audio Skins

   Data-attribute-driven visibility rules for multi-state icon buttons.
   Uses :is() with both element selectors (for HTML custom element wrappers)
   and class selectors (for React rendered SVG elements).
   ========================================================================== */

/* --- All icons hidden by default --- */

.media-button--play .media-icon--restart,
.media-button--play .media-icon--play,
.media-button--play .media-icon--pause,
.media-button--mute .media-icon--volume-off,
.media-button--mute .media-icon--volume-low,
.media-button--mute .media-icon--volume-high {
  display: none;
  opacity: 0;
}

/* --- Active icon per state --- */

/* Play: ended → restart */
.media-button--play[data-ended] .media-icon--restart,
/* Play: paused (not ended) → play */
.media-button--play:not([data-ended])[data-paused] .media-icon--play,
/* Play: playing (not paused, not ended) → pause */
.media-button--play:not([data-paused]):not([data-ended]) .media-icon--pause,
/* Mute: muted → volume off */
.media-button--mute[data-muted] .media-icon--volume-off,
/* Mute: volume low (not muted) → volume low */
.media-button--mute:not([data-muted])[data-volume-level="low"] .media-icon--volume-low,
/* Mute: volume high (not muted, not low) → volume high */
.media-button--mute:not([data-muted]):not([data-volume-level="low"]) .media-icon--volume-high {
  display: block;
  opacity: 1;
}