/* UI kit: tabs, accordion, modal, toast, tooltip, pagination, breadcrumb, skeleton, empty state. */

/* Tabs */
.tabs__list { display: flex; gap: 4px; margin: 0 0 16px; padding: 0; list-style: none; border-bottom: 1px solid var(--border-default); overflow-x: auto; }
.tabs__tab {
  padding: 10px 16px;
  color: var(--text-secondary);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.tabs__tab:hover { color: var(--color-primary); }
.tabs__tab[aria-selected="true"] { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tabs__panel[hidden] { display: none; }

/* Accordion (native <details>) */
.accordion { border: 1px solid var(--border-default); border-radius: var(--radius-lg); background: var(--bg-card); overflow: hidden; }
.accordion > details + details { border-top: 1px solid var(--border-default); }
.accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; color: var(--text-heading); font-weight: 600; cursor: pointer; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; color: var(--text-secondary); font-size: 20px; line-height: 1; }
.accordion details[open] > summary::after { content: "\2212"; }
.accordion__body { padding: 0 20px 16px; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 110; display: none; align-items: center; justify-content: center; padding: 16px; background: rgba(0, 0, 0, .5); }
.modal.is-open { display: flex; }
.modal__dialog { width: min(520px, 100%); max-height: 90vh; overflow-y: auto; padding: 24px; background: var(--bg-card); border: 1px solid var(--border-default); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.modal__title { margin: 0 0 12px; font-size: 20px; }

/* Toast */
.promptix-toasts { position: fixed; left: 50%; bottom: 24px; z-index: 120; display: flex; flex-direction: column; align-items: center; gap: 8px; transform: translateX(-50%); pointer-events: none; }
.toast { padding: 10px 18px; color: var(--text-inverse); background: var(--navy-900); border-radius: var(--radius-md); box-shadow: var(--shadow-md); font-size: 14px; font-weight: 500; animation: promptix-toast-in .2s ease; }
@keyframes promptix-toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Tooltip (CSS only) */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  z-index: 30;
  padding: 5px 9px;
  color: var(--text-inverse);
  background: var(--navy-900);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity .15s ease;
}
[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after { opacity: 1; }

/* Pagination */
.pagination .nav-links,
.promptix-pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  color: var(--text-body);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-weight: 600;
}
.pagination .page-numbers:hover { color: var(--color-primary); border-color: var(--color-primary); }
.pagination .page-numbers.current { color: var(--text-inverse); background: var(--color-primary); border-color: var(--color-primary); }
.pagination .page-numbers.dots { border-color: transparent; background: none; }

/* Breadcrumb */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 20px; padding: 0; list-style: none; font-size: 14px; color: var(--text-secondary); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--text-heading); font-weight: 500; }

/* Skeleton */
.skeleton { display: block; border-radius: var(--radius-md); background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--bg-hover) 50%, var(--bg-subtle) 75%); background-size: 200% 100%; animation: promptix-shimmer 1.4s linear infinite; }
@keyframes promptix-shimmer { to { background-position: -200% 0; } }

/* Empty state */
.empty-state { padding: 48px 24px; text-align: center; color: var(--text-secondary); }
.empty-state__title { margin: 0 0 8px; color: var(--text-heading); }