/**
 * KoreAves — Shared SurfaceToolbar Contract
 * One geometry for the single-taxon toolbar (Species, GIS) and the
 * comparison toolbar (Compare). Page-specific branding/badges may vary;
 * control height, spacing, radius, and icon placement must not.
 */

.ka-surface-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--ka-color-rule-hairline, var(--ka-color-rule-hairline, #e2ded5));
  padding-bottom: 16px;
  margin-bottom: 24px;
}

/* Variant A: single-taxon stepper row (Species, GIS) */
.ka-toolbar-stepper-group {
  display: flex;
  align-items: center;
  /* Grow into the otherwise-empty toolbar row so the field can reach its
     440px max instead of sitting at min-width and clipping the taxon label;
     capped so it never spans the full canvas. */
  flex: 1 1 auto;
  max-width: 540px;
  gap: 4px;
  background: var(--ka-color-paper-surface, var(--ka-color-paper-surface, #fff));
  border: 1px solid var(--ka-color-rule-hairline, var(--ka-color-rule-hairline, #e2ded5));
  border-radius: 8px;
  padding: 2px;
}

.ka-toolbar-stepper-btn {
  background: transparent;
  border: none;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--ka-color-ink-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}

.ka-toolbar-stepper-btn:hover:not(:disabled) {
  background: var(--ka-color-paper-sunken, var(--ka-color-paper-sunken, #ebe8df));
  color: var(--ka-color-ink-primary);
}

.ka-toolbar-stepper-btn:disabled,
.ka-toolbar-stepper-btn[aria-disabled="true"] {
  opacity: 0.35;
  cursor: not-allowed;
  background: transparent;
}

.ka-toolbar-stepper-btn:focus-visible {
  outline: 2px solid var(--ka-color-focus-ring, var(--ka-color-brand-pine, #205c42));
  outline-offset: 2px;
}

.ka-toolbar-stepper-group .ka-combobox {
  position: relative;
  flex: 1 1 auto;
  min-width: 280px;
  max-width: 440px;
}

/* Variant B: comparison row (Compare) — same field chrome, no fake steppers */
.ka-toolbar-comparison-group {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 768px) {
  .ka-surface-toolbar {
    gap: var(--ka-surface-toolbar-mobile-gap, 10px);
  }
  .ka-toolbar-stepper-group .ka-combobox {
    min-width: 0;
  }
}

/* Ownership: SurfaceToolbar owns stepper interaction. */
.ka-toolbar-stepper-btn {
  border: 1px solid var(--ka-control-edge);
  box-shadow: var(--ka-control-press-inset);
  transition: var(--ka-control-transition);
}
.ka-toolbar-stepper-btn:hover:not(:disabled) { border-color: var(--ka-control-edge-strong); }
.ka-toolbar-stepper-btn:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: var(--ka-control-active-inset);
}