.layout-panel {
  display: grid;
  gap: 14px;
}

.layout-heading {
  min-height: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.layout-title {
  color: var(--ink);
  font-size: .84rem;
  font-weight: 800;
}

.layout-mode-note {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
}

.layout-control {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 11px;
}

.layout-heading + .layout-control {
  border-top: 0;
  padding-top: 0;
}

.layout-toggle-row {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
}

.layout-label-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.layout-label-copy strong {
  color: var(--ink);
  font-size: .82rem;
}

.layout-label-copy span {
  color: var(--muted);
  font-size: .72rem;
  line-height: 1.35;
}

.layout-switch {
  width: 42px;
  height: 24px;
  flex: 0 0 auto;
  position: relative;
}

.layout-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.layout-switch-track {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--disabled);
  transition: background-color .15s, border-color .15s;
}

.layout-switch-track::after {
  content: "";
  width: 18px;
  height: 18px;
  position: absolute;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 3px var(--shadow);
  transition: transform .15s, background-color .15s;
}

.layout-switch input:checked + .layout-switch-track {
  border-color: var(--accent);
  background: var(--accent);
}

.layout-switch input:checked + .layout-switch-track::after {
  transform: translateX(18px);
  background: var(--accent-ink);
}

.layout-switch input:focus-visible + .layout-switch-track {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.layout-switch input:disabled + .layout-switch-track {
  opacity: .55;
  cursor: not-allowed;
}

.layout-slider-row {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) 46px;
  align-items: center;
  gap: 10px;
}

.layout-slider-row[hidden] {
  display: none;
}

.layout-slider-row label,
.layout-slider-row output {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
}

.layout-slider-row output {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.layout-slider-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.layout-slider-row input[type="range"]:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.layout-toggle-row:has(input:disabled),
.layout-panel.is-disabled .layout-toggle-row {
  cursor: not-allowed;
  opacity: .6;
}

.layout-panel.is-disabled .layout-label-copy,
.layout-panel.is-disabled .layout-slider-row {
  opacity: .6;
}

@media (max-width: 540px) {
  .layout-slider-row {
    grid-template-columns: 54px minmax(0, 1fr) 42px;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .layout-switch-track,
  .layout-switch-track::after {
    transition-duration: .01ms;
  }
}