.controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  user-select: none;
}

.controls .spacer {
  flex: 1;
}

.btn {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-0);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font:
    600 13px/1.1
    var(--font-ui);
  cursor: pointer;

  transition:
    transform 0.04s ease,
    background var(--dur-med) var(--ease-standard),
    border-color var(--dur-med) var(--ease-standard),
    opacity var(--dur-med) var(--ease-standard);

  &:hover {
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.20);
  }

  &:active {
    transform: translateY(1px);
  }

  &:disabled {
    opacity: 0.45;
    cursor: not-allowed;
  }
}

.btn-green {
  background: color-mix(in srgb, var(--success) 18%, transparent);
  border-color: color-mix(in srgb, var(--success) 35%, transparent);

  &:hover {
    background: color-mix(in srgb, var(--success) 26%, transparent);
  }
}

.btn-blue {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);

  &:hover {
    background: color-mix(in srgb, var(--accent) 22%, transparent);
  }
}

.btn-grey {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);

  &:hover {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
  }
}

.btn-toggle.active {
  background: color-mix(in srgb, var(--warning) 14%, transparent);
  border-color: color-mix(in srgb, var(--warning) 30%, transparent);
}


.speed {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  font: 600 12.5px var(--font-ui);
  color: var(--fg-0);
}

.speed input[type="range"] {
  width: 160px;
}

.speed #speedLabel {
  min-width: 40px;
  text-align: right;
  opacity: 0.9;
}