/* Initial opt-in styles. Semantic HTML and interactive behavior remain required. */
.ac-ui { margin: 0; background: var(--ac-bg); color: var(--ac-text);
  font-family: var(--ac-font); font-size: 1rem; line-height: 1.5; }
.ac-ui *, .ac-ui *::before, .ac-ui *::after { box-sizing: border-box; }
.ac-ui :where(button, input, select, textarea) { font: inherit; }
.ac-ui :where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--ac-focus); outline-offset: 3px; }
.ac-ui a { color: var(--ac-link); text-underline-offset: .2em; }
.ac-ui .ac-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 16px; border: 1px solid transparent;
  border-radius: var(--ac-radius-md); background: var(--ac-primary);
  color: var(--ac-on-primary); font-weight: 600; line-height: 1.4;
  text-decoration: none; cursor: pointer;
  transition: background-color var(--ac-fast) var(--ac-ease);
}
.ac-ui .ac-button:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--ac-primary-hover); }
.ac-ui .ac-button--secondary { background: var(--ac-surface);
  border-color: var(--ac-control-border); color: var(--ac-text); }
.ac-ui .ac-button--secondary:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--ac-surface-muted); }
.ac-ui .ac-button--danger { background: var(--ac-danger); color: var(--ac-on-danger); }
.ac-ui .ac-button--danger:hover:not(:disabled):not([aria-disabled="true"]) {
  background: var(--ac-danger-hover); }
.ac-ui .ac-button:disabled, .ac-ui .ac-button[aria-disabled="true"] {
  opacity: .55; cursor: not-allowed; }
/* aria-disabled styling does not block events: application must prevent activation. */
.ac-ui .ac-label { display: block; margin-bottom: 6px; font-size: .875rem; font-weight: 600; }
.ac-ui .ac-input { width: 100%; min-height: 44px; padding: 10px 12px;
  background: var(--ac-surface); color: var(--ac-text);
  border: 1px solid var(--ac-control-border); border-radius: var(--ac-radius-md); }
.ac-ui .ac-input::placeholder { color: var(--ac-text-muted); opacity: 1; }
.ac-ui .ac-input[aria-invalid="true"] { border-color: var(--ac-error); }
.ac-ui .ac-helper { font-size: .875rem; color: var(--ac-text-muted); margin: 6px 0 0; }
.ac-ui .ac-field-error { font-size: .875rem; color: var(--ac-error); margin: 6px 0 0; }
.ac-ui .ac-card { padding: 24px; background: var(--ac-surface);
  border: 1px solid var(--ac-border); border-radius: var(--ac-radius-lg); }
.ac-ui .ac-product-badge { display: inline-flex; align-items: center; padding: 4px 8px;
  color: var(--ac-product, var(--ac-text)); background: var(--ac-surface);
  border: 1px solid currentColor; border-radius: var(--ac-radius-sm);
  font-size: .875rem; font-weight: 600; }
.ac-ui .ac-table-wrap { overflow-x: auto; }
.ac-ui .ac-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.ac-ui .ac-table th { background: var(--ac-surface-muted); text-align: left; font-weight: 600; }
.ac-ui .ac-table :where(th, td) { padding: 14px 16px; border-bottom: 1px solid var(--ac-border); }
.ac-ui .ac-table tr[aria-selected="true"] { background: var(--ac-selected-bg); color: var(--ac-selected-text); }
.ac-ui .ac-table .ac-number, .ac-ui .ac-number { text-align: right; font-variant-numeric: tabular-nums; }
.ac-ui .ac-muted { color: var(--ac-text-muted); }
.ac-ui .ac-page-title { font-size: 1.75rem; line-height: 1.29; font-weight: 600; margin: 0 0 24px; }
.ac-ui .ac-kpi { font-size: 2rem; line-height: 1.25; font-weight: 600; font-variant-numeric: tabular-nums; }
.ac-ui .ac-site-container { max-width: 1200px; padding-inline: 24px; margin-inline: auto; }
.ac-ui .ac-hero-title { font-size: clamp(2.25rem, 5vw, 4rem); line-height: 1.08;
  font-weight: 600; letter-spacing: -.025em; max-width: 18ch; }
.ac-ui .ac-sr-only { position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 767px) {
  .ac-ui .ac-site-container { padding-inline: 16px; }
  .ac-ui .ac-card { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .ac-ui *, .ac-ui *::before, .ac-ui *::after {
    animation: none !important; transition: none !important; scroll-behavior: auto !important;
  }
}