/**
 * Widget Transport Bar (public/studio/widgets/transport-bar/transport-bar.css)
 * Style encapsulé Niveau 2 pour la barre de transport universelle.
 * Esthétique Haute Fidélité déclinée directement du bouton Play :
 * - Fin contour 1px bleu électrique (#3b82f6) identique aux fragments du bouton Play
 * - Logos / icônes avec le même dégradé vectoriel (#3b82f6 -> #d926f8)
 * - Micro-interactions soignées, finitions cyber-studio pro.
 */

/* 1. Rangée flex fluide */
.viewer-buttons-row,
.transport-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
}

/* 2. Boutons satellites (Rewind, Prev, Next, Mute) */
.btn-viewer-ctrl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(15, 23, 42, 0.94) 0%, rgba(3, 7, 18, 0.98) 100%);
  border: 1px solid #3b82f6;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  padding: 0;
  box-sizing: border-box;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.3), inset 0 0 6px rgba(59, 130, 246, 0.15);
  filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.35));
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
  user-select: none;
}

.btn-viewer-ctrl svg {
  display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 0 2px rgba(59, 130, 246, 0.5)) drop-shadow(0 0 2px rgba(217, 38, 248, 0.3));
}

/* Hover des boutons satellites : contour bleu électrique (#3b82f6) intensifié & halo vibrant */
.btn-viewer-ctrl:hover:not(.btn-viewer-play) {
  transform: scale(1.08);
  background: radial-gradient(circle at 35% 35%, rgba(20, 35, 65, 0.96) 0%, rgba(10, 18, 40, 0.98) 100%);
  border-color: #60a5fa;
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.7), inset 0 0 8px rgba(59, 130, 246, 0.35);
  filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.85)) drop-shadow(0 0 6px rgba(96, 165, 250, 0.6));
}

.btn-viewer-ctrl:hover:not(.btn-viewer-play) svg {
  filter: drop-shadow(0 0 5px rgba(59, 130, 246, 0.9)) drop-shadow(0 0 3px rgba(217, 38, 248, 0.8));
}

/* Active des boutons satellites : micro-compression tactile */
.btn-viewer-ctrl:active:not(.btn-viewer-play) {
  transform: scale(0.94);
}

/* 3. Bouton central Play / Pause Héros Cyber-Studio */
.btn-viewer-ctrl.btn-viewer-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: none;
  cursor: pointer;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(217, 38, 248, 0.5)) drop-shadow(0 0 5px rgba(59, 130, 246, 0.4));
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.2s ease;
}

.btn-viewer-ctrl.btn-viewer-play svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  filter: none;
}

.btn-viewer-ctrl.btn-viewer-play:hover {
  background: transparent;
  border: none;
  box-shadow: none;
  transform: scale(1.14);
  filter: drop-shadow(0 0 20px rgba(217, 38, 248, 0.85)) drop-shadow(0 0 10px rgba(59, 130, 246, 0.75));
}

.btn-viewer-ctrl.btn-viewer-play:active {
  transform: scale(0.96);
}

/* 4. Capsule timing monospace */
.viewer-time-display,
.transport-bar__timing {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 34px;
  padding: 0 0.8rem;
  border-radius: 9999px;
  background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.92) 0%, rgba(3, 7, 18, 0.98) 100%);
  border: 1px solid rgba(59, 130, 246, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.2), inset 0 0 6px rgba(59, 130, 246, 0.1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  box-sizing: border-box;
  user-select: none;
}

.transport-bar__time-current,
#viewer-current-time {
  color: #60a5fa;
  text-shadow: 0 0 8px rgba(96, 165, 250, 0.45);
}

.transport-bar__time-sep,
.viewer-time-display .time-sep {
  color: #d926f8;
  font-weight: 800;
  opacity: 0.95;
  margin: 0 0.15rem;
  text-shadow: 0 0 8px rgba(217, 38, 248, 0.55);
}

.transport-bar__time-total,
#viewer-total-time {
  color: #cbd5e1;
}

/* État muet spécifique */
.btn-viewer-ctrl.is-muted,
.btn-viewer-ctrl #icon-viewer-muted:not([style*="display: none"]) {
  filter: drop-shadow(0 0 6px rgba(244, 63, 94, 0.6));
}