/* Base segmented tabs — pill-style single-select switcher (Top / Newest / …).
   Web counterpart of assets/mobile/css/segmented_tabs.css, using the site's
   generic theme tokens so every project gets it in its own brand colour.

   Markup:
     <div class="base-seg-tabs">
       <button class="base-seg-tab base-seg-tab--active">All</button>
       <button class="base-seg-tab">Unread</button>
     </div> */

.base-seg-tabs {
  position: relative;
  display: inline-flex;
  gap: 4px;
  padding: var(--seg-track-padding, 4px);
  border-radius: var(--seg-track-radius, 16px);
  background: var(--seg-track-bg, var(--container-bg, var(--card-bg)));
  border: 1px solid var(--seg-track-line, var(--border-color));
}

/* Sliding active pill — JS positions it under the active tab; the active tab
   itself stays transparent and only changes text colour. */
.base-seg-indicator {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: var(--seg-tab-radius, 12px);
  background: var(--seg-pill-bg, var(--primary-blue));
  box-shadow: var(
    --seg-pill-shadow,
    0 4px 12px color-mix(in srgb, var(--primary-blue) 32%, transparent)
  );
  z-index: 0;
  pointer-events: none;
}

.base-seg-tabs .base-seg-tab {
  position: relative;
  z-index: 1;
  min-width: 0;
  height: var(--seg-tab-height, 34px);
  padding: var(--seg-tab-padding, 0 16px);
  margin: 0 !important;
  border: 0 !important;
  border-radius: var(--seg-tab-radius, 12px) !important;
  background: transparent !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: inherit;
  font-size: var(--seg-tab-font-size, 13px);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  color: var(--seg-ink, var(--muted-text)) !important;
  cursor: pointer;
  box-shadow: none !important;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

.base-seg-tabs .base-seg-tab-icon {
  font-size: 14px;
  flex: 0 0 auto;
}

/* Stay flat across interaction states — the framework's global `button`
   rules repaint background/border with !important and would otherwise draw
   a box over the pill. */
.base-seg-tabs .base-seg-tab:hover,
.base-seg-tabs .base-seg-tab:focus,
.base-seg-tabs .base-seg-tab:focus-visible,
.base-seg-tabs .base-seg-tab:active {
  background: transparent !important;
  border-color: transparent !important;
  outline: none !important;
  box-shadow: none !important;
}

.base-seg-tabs .base-seg-tab:hover:not(.base-seg-tab--active) {
  color: var(--seg-ink-hover, var(--text-color)) !important;
}

.base-seg-tabs .base-seg-tab--active,
.base-seg-tabs .base-seg-tab--active:hover,
.base-seg-tabs .base-seg-tab--active:focus {
  color: var(--seg-ink-active, var(--primary-ink, #ffffff)) !important;
}

/* Fallback pill until JS has measured and placed the indicator. Keyed on
   --ready (not on the indicator existing), because the element is created
   before it is positioned - in that gap the pill was missing while the label
   was already white, so the active option looked blank. */
.base-seg-tabs:not(.base-seg-tabs--ready) .base-seg-tab--active {
  background: var(--seg-pill-bg, var(--primary-blue)) !important;
  box-shadow: var(
    --seg-pill-shadow,
    0 4px 12px color-mix(in srgb, var(--primary-blue) 32%, transparent)
  ) !important;
}