#controls-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  padding: 30px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.1) 100%);
  border-top: 1px solid rgba(255,255,255,0.8);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.control-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface2);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s ease;
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.8), 0 4px 6px rgba(0,0,0,0.3);
  -webkit-user-select: none;
  user-select: none;
}

.control-btn svg {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 1px 1px rgba(255,255,255,0.8));
}

.control-btn:active {
  background: var(--surface-active);
  transform: translateY(3px);
  box-shadow: inset 0 2px 6px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.1);
}

#power-btn-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.power-btn {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--border);
  background: var(--surface2);
  color: var(--accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s ease;
  box-shadow: inset 0 4px 8px rgba(255,255,255,0.9), 0 6px 12px rgba(0,0,0,0.4);
  position: relative;
  z-index: 1;
  -webkit-user-select: none;
  user-select: none;
}

.power-btn svg {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 2px 2px rgba(255,255,255,0.6));
}

.power-btn.on {
  background: linear-gradient(180deg, #1fa2ff 0%, #0a5bc4 49%, #064090 51%, #0a5bc4 100%);
  color: #fff;
  border-color: #064090;
  box-shadow: inset 0 4px 8px rgba(255,255,255,0.5), 0 0 20px var(--accent-glow), 0 6px 12px rgba(0,0,0,0.4);
}

.power-btn.on svg {
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.power-btn:active {
  transform: translateY(4px);
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.2);
}

#power-ring {
  display: none;
}

#secondary-controls {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.2);
  border-bottom: 1px solid var(--border);
}

.secondary-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.8), 0 2px 4px rgba(0,0,0,0.2);
  -webkit-user-select: none;
  user-select: none;
  text-shadow: 0 1px 0 rgba(255,255,255,0.8);
}

.secondary-btn svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
}

.secondary-btn:active {
  background: var(--surface-active);
  transform: translateY(2px);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

@media (max-width: 360px) {
  .power-btn { width: 100px; height: 100px; }
  .control-btn { width: 70px; height: 70px; }
  #controls-section { gap: 20px; }
}