.jl-segmented {
  display: inline-flex;
  align-items: center;
  background: var(--surface-sunken);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3px;
  gap: 2px;
  position: relative;
}
.jl-segmented--full { display: flex; width: 100%; }
.jl-segmented--sm { padding: 2px; border-radius: var(--radius-md); }

.jl-segmented__option {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex: 1 0 auto;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-lg) - 3px);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-standard);
}
.jl-segmented--full .jl-segmented__option { flex: 1; }
.jl-segmented--sm .jl-segmented__option { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); border-radius: calc(var(--radius-md) - 2px); }
.jl-segmented__option svg { width: 16px; height: 16px; }
.jl-segmented__option:hover:not([aria-checked="true"]):not(:disabled) { color: var(--text-primary); }
.jl-segmented__option:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 1px; }
.jl-segmented__option[aria-checked="true"] { color: var(--text-primary); font-weight: var(--weight-semibold); }
.jl-segmented__option:disabled { opacity: 0.4; cursor: not-allowed; }

.jl-segmented__thumb {
  position: absolute;
  z-index: 0;
  top: 3px;
  bottom: 3px;
  background: var(--surface-card);
  border-radius: calc(var(--radius-lg) - 3px);
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-base) var(--ease-emphasized), width var(--duration-base) var(--ease-emphasized);
}
.jl-segmented--sm .jl-segmented__thumb { top: 2px; bottom: 2px; }

@media (prefers-reduced-motion: reduce) {
  .jl-segmented__thumb { transition: none; }
}