/* ─── SelectControl — shared component styles ─────────────────────────────────
   Single source of truth for component CSS.
   Values: site/tokens.css (--ds-* tokens)
   Consumers: site/preview/select-control.html
              + src/components/SelectControl/SelectControl.tsx
   Naming: ds- prefix replaces CSS Modules scoping
   States: data-attributes only
           data-size="sm|md|lg"
           data-selected  — active/selected segment
           data-disabled  — disabled segment
           data-hovered   — hover state (programmatic, mirrors :hover)
           data-focused   — focus-visible state
   Variants: data-high-contrast on root for HC active state
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Root container ─────────────────────────────────────────────────────────── */

.ds-select-control {
  display:    inline-flex;
  padding:    2px;
  gap:        2px;
  background: var(--ds-nb-100);
  border:     1px solid var(--ds-border);
  flex-shrink: 0;
}

.ds-select-control[data-size='sm'] {
  height:        var(--ds-btn-sm-h);
  border-radius: var(--ds-radius-md);
}

.ds-select-control[data-size='md'] {
  height:        var(--ds-btn-md-h);
  border-radius: var(--ds-radius-lg);
}

.ds-select-control[data-size='lg'] {
  height:        var(--ds-btn-lg-h);
  border-radius: var(--ds-radius-lg);
}

/* ── Item (segment button) ──────────────────────────────────────────────────── */

.ds-sc-item {
  display:         flex;
  align-items:     center;
  justify-content: center;
  background:      transparent;
  color:           var(--ds-text-tertiary);
  cursor:          pointer;
  border:          none;
  position:        relative;
  font-family:     inherit;
  font-weight:     500;
  white-space:     nowrap;
  outline:         none;
  transition:
    background var(--ds-dur-1) var(--ds-ease),
    color      var(--ds-dur-1) var(--ds-ease),
    box-shadow var(--ds-dur-1) var(--ds-ease);
}

/* ── Item — sizes ───────────────────────────────────────────────────────────── */

.ds-select-control[data-size='sm'] .ds-sc-item {
  padding:       0 var(--ds-btn-sm-label-px);
  gap:           var(--ds-tgb-sm-grp-gap);
  font-size:     var(--ds-btn-sm-fs);
  border-radius: var(--ds-radius-sm);
}

.ds-select-control[data-size='md'] .ds-sc-item {
  padding:       0 var(--ds-btn-md-label-px);
  gap:           var(--ds-tgb-md-grp-gap);
  font-size:     var(--ds-btn-md-fs);
  border-radius: calc(var(--ds-radius-lg) - 2px);
}

.ds-select-control[data-size='lg'] .ds-sc-item {
  padding:       0 var(--ds-btn-lg-label-px);
  gap:           var(--ds-tgb-lg-grp-gap);
  font-size:     var(--ds-btn-lg-fs);
  border-radius: calc(var(--ds-radius-lg) - 2px);
}

/* ── Item — hover ───────────────────────────────────────────────────────────── */

.ds-sc-item[data-hovered]:not([data-selected]):not([data-disabled]),
.ds-sc-item:hover:not([data-selected]):not([data-disabled]) {
  background: var(--ds-nba-20);
  color:      var(--ds-text-secondary);
}

/* ── Item — focus-visible ───────────────────────────────────────────────────── */

.ds-sc-item[data-focused],
.ds-sc-item:focus-visible {
  outline:    none;
  box-shadow: inset 0 0 0 2px var(--ds-info-800);
  z-index:    1;
}

/* ── Item — selected (active) ───────────────────────────────────────────────── */

.ds-sc-item[data-selected] {
  background: var(--ds-nb-0);
  color:      var(--ds-text-primary);
  box-shadow: var(--ds-shadow-xs);
}

.ds-sc-item[data-selected][data-hovered],
.ds-sc-item[data-selected]:hover:not([data-disabled]) {
  background: var(--ds-nb-50);
}

/* ── Item — disabled ────────────────────────────────────────────────────────── */

.ds-sc-item[data-disabled] {
  color:          var(--ds-disabled-text);
  cursor:         not-allowed;
  pointer-events: none;
}

/* ── High Contrast — root modifier ─────────────────────────────────────────── */

.ds-select-control[data-high-contrast] .ds-sc-item[data-selected] {
  background: var(--ds-neutral-fill);
  color:      var(--ds-text-invert);
  box-shadow: var(--ds-shadow-xs);
}

.ds-select-control[data-high-contrast] .ds-sc-item[data-selected][data-hovered],
.ds-select-control[data-high-contrast] .ds-sc-item[data-selected]:hover:not([data-disabled]) {
  background: var(--ds-neutral-fill-hover);
  color:      var(--ds-text-invert);
}

/* ── Item label ─────────────────────────────────────────────────────────────── */

.ds-sc-item-label {
  /* inline — inherits parent font styles */
}

/* ── Item icon ──────────────────────────────────────────────────────────────── */

.ds-sc-item-icon {
  display:         inline-block;
  flex-shrink:     0;
  stroke:          currentColor;
  stroke-linecap:  round;
  stroke-linejoin: round;
  fill:            none;
}

.ds-select-control[data-size='sm'] .ds-sc-item-icon {
  width:        var(--ds-icon-sm);
  height:       var(--ds-icon-sm);
  stroke-width: var(--ds-icon-stroke-sm);
}

.ds-select-control[data-size='md'] .ds-sc-item-icon {
  width:        var(--ds-icon-md);
  height:       var(--ds-icon-md);
  stroke-width: var(--ds-icon-stroke-md);
}

.ds-select-control[data-size='lg'] .ds-sc-item-icon {
  width:        var(--ds-icon-lg);
  height:       var(--ds-icon-lg);
  stroke-width: var(--ds-icon-stroke-md);
}

/* ── Item description (count badge pill) ────────────────────────────────────── */

.ds-sc-item-desc {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  min-width:       16px;
  height:          16px;
  padding:         0 3px;
  background:      var(--ds-nba-40);
  color:           var(--ds-text-secondary);
  border-radius:   var(--ds-radius-pill);
  font-size:       10px;
  font-weight:     600;
  letter-spacing:  0.04em;
  flex-shrink:     0;
}

.ds-select-control[data-size='md'] .ds-sc-item-desc,
.ds-select-control[data-size='lg'] .ds-sc-item-desc {
  min-width: 20px;
  height:    20px;
  font-size: 11px;
}

/* ── Dark mode ──────────────────────────────────────────────────────────────── */

[data-theme='dark'] .ds-sc-item[data-hovered]:not([data-selected]):not([data-disabled]),
[data-theme='dark'] .ds-sc-item:hover:not([data-selected]):not([data-disabled]) {
  background: var(--ds-nba-40);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .ds-sc-item[data-hovered]:not([data-selected]):not([data-disabled]),
  :root:not([data-theme='light']) .ds-sc-item:hover:not([data-selected]):not([data-disabled]) {
    background: var(--ds-nba-40);
  }
}

/* ── Reduced motion ─────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .ds-sc-item {
    transition-duration: 0.01ms !important;
    animation-duration:  0.01ms !important;
  }
}