/* ==========================================================================
   UI COMPONENT LIBRARY — toasts, modals, accordions, tabs, loaders,
   empty states, pagination, media players, content cards.
   Loaded on every page. See COMPONENT-LIBRARY.md for usage.
   ========================================================================== */

/* --- Loading state (applied by HKEcosystem.renderComponent) --- */
.is-loading {
  position: relative;
  min-height: 3em;
  pointer-events: none;
}
.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  animation: shimmer 1.2s linear infinite;
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .is-loading::after { animation: none; }
}

/* --- Skeleton block (for manual use before data arrives) --- */
.skeleton {
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  min-height: 1em;
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: shimmer 1.2s linear infinite;
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-3);
  font-style: italic;
}

/* --- Toast notifications --- */
.toast-region {
  position: fixed;
  bottom: var(--space-2);
  right: var(--space-2);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 320px;
}
.toast {
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-raised);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard);
  font-size: var(--text-sm);
}
.toast.is-visible { opacity: 1; transform: translateY(0); }
.toast-success { border-left: 4px solid #2E7D32; }
.toast-error { border-left: 4px solid var(--color-warm-orange); }
.toast-info { border-left: 4px solid var(--color-gold); }

/* --- Modal windows --- */
.modal[hidden] { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.6);
}
.modal-dialog {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-raised);
}
body.modal-open { overflow: hidden; }

/* --- Accordion --- */
.accordion-item { border-bottom: 1px solid var(--border-subtle); }
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-2) 0;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-charcoal);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.accordion-trigger::after {
  content: "+";
  font-size: var(--text-lg);
  color: var(--color-wine);
}
.accordion-trigger[aria-expanded="true"]::after { content: "−"; }
.accordion-panel { padding-bottom: var(--space-2); color: var(--color-text-muted); }

/* --- Tabs --- */
[role="tablist"] {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: var(--space-1) var(--space-2);
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
}
.tab[aria-selected="true"] {
  color: var(--color-wine);
  border-bottom-color: var(--color-gold);
}
.tab-panel[hidden] { display: none; }

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  list-style: none;
  padding: 0;
  margin-top: var(--space-3);
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25em;
  height: 2.25em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
}
.pagination a:hover { background: var(--surface-alt); text-decoration: none; }
.pagination [aria-current="page"] {
  background: var(--color-wine);
  color: var(--color-white);
  border-color: var(--color-wine);
}

/* --- Media players --- */
.video-player {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-charcoal);
}
.video-player img { width: 100%; height: 100%; object-fit: cover; }
.video-player .play-button {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  color: var(--color-white);
  font-size: var(--text-3xl);
}

/* --- Content cards: formalized names (aliases of existing patterns) --- */
.prayer-card { padding: var(--space-3); }
.prayer-card .prayer-count { display: block; margin-top: var(--space-1); }
.event-card .event-date {
  display: inline-block;
  background: var(--color-royal-blue);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.3em 0.7em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-1);
}