#controls-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 28px 24px 16px;
  background: var(--surface);
}

.control-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  -webkit-user-select: none;
  user-select: none;
}

.control-btn svg {
  width: 26px;
  height: 26px;
}

.control-btn:active {
  transform: scale(0.9);
  background: var(--border);
}

#power-btn-wrapper {
  position: relative;
  width: 76px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.power-btn {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: none;
  background: var(--surface2);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
  -webkit-user-select: none;
  user-select: none;
}

.power-btn svg {
  width: 32px;
  height: 32px;
}

.power-btn.on {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.power-btn:active {
  transform: scale(0.93);
}

#power-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

#power-ring.on {
  border-color: var(--accent-light);
  box-shadow: 0 0 16px var(--accent-glow);
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#secondary-controls {
  display: flex;
  gap: 12px;
  padding: 8px 24px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.secondary-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  -webkit-user-select: none;
  user-select: none;
}

.secondary-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.secondary-btn:active {
  transform: scale(0.96);
}

.secondary-btn.danger {
  border-color: rgba(220, 38, 38, 0.3);
  color: #f87171;
}

.secondary-btn.danger:active {
  background: rgba(220, 38, 38, 0.15);
}

@media (max-width: 360px) {
  .power-btn { width: 60px; height: 60px; }
  #controls-section { gap: 20px; }
}