/* Reference styles for accessibility testing
   Focus: visibility, contrast, layout, and hit area sizing
*/

.rlb-tabs {
  max-width: 600px;
  margin: 2rem auto;
  font-family: system-ui, sans-serif;
}

.rlb-tabs__list {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  gap: 0;
}

.rlb-tabs__tab {
  all: unset;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-color);
  background: transparent;
  border-bottom: 3px solid transparent;
  position: relative;
  bottom: -2px;

  /* Satisfy ≥24×24 target size requirement by default */
  min-width: 24px;
  min-height: 24px;
}

/* Selected tab visual distinction */
.rlb-tabs__tab--selected {
  color: var(--text-color-strong);
  border-bottom-color: var(--primary-color);
  font-weight: 600;
}

/* Hover state for sighted users */
.rlb-tabs__tab:hover:not(.rlb-tabs__tab--selected) {
  color: var(--text-color-strong);
  background: var(--surface-muted);
}

/* Focus visibility and theming hook */
.rlb-tabs__tab:focus-visible {
  outline: var(--focus-ring-width, 3px) solid var(--focus-ring-color, var(--focus-color));
  outline-offset: var(--focus-ring-offset, 2px);
}

.rlb-tabs__panel {
  padding: 1.5rem 1rem;
}

.rlb-tabs__panel p {
  margin: 0 0 0.75rem;
  line-height: 1.5;
  color: var(--text-color);
}

.rlb-tabs__panel a {
  color: var(--text-color-strong);
  text-decoration: underline;
}

.rlb-tabs__panel a:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

.rlb-tabs__panel button {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  color: var(--primary-color-inverse);
  background: var(--primary-color);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  min-height: 24px;
  min-width: 24px;
}

.rlb-tabs__panel button:hover {
  background: var(--primary-color-hover);
}

.rlb-tabs__panel button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

.rlb-tabs__panel input[type="text"] {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--text-color-faint);
  border-radius: var(--border-radius);
  max-width: 300px;
}

.rlb-tabs__panel input[type="text"]:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

/* Focus indicator on tab panels */
.rlb-tabs__panel:focus-visible {
  outline: var(--focus-ring-width, 3px) solid var(--focus-ring-color, var(--focus-color));
  outline-offset: var(--focus-ring-offset, 2px);
}

/* Optional ergonomics for touch screens without tightening AC constraints */
@media (pointer: coarse) {
  .rlb-tabs__tab {
    min-height: 44px;
    padding: 1rem 1.5rem;
  }
}