/* Alteria — D3 Checklist */

.alteria-checklist { padding-block: 3rem; }
@media (min-width: 640px) { .alteria-checklist { padding-block: 4rem; } }

.alteria-checklist__caja {
  border: 1px solid var(--alteria-border);
  border-radius: var(--alteria-radius-xl);
  background: var(--alteria-surface);
  padding: 1.75rem;
}

.alteria-checklist__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--alteria-border);
}

.alteria-checklist__titulo { font-size: 22px; }
@media (min-width: 640px) { .alteria-checklist__titulo { font-size: 26px; } }

.alteria-checklist__bajada {
  margin-top: .5rem;
  font-size: var(--alteria-fs-sm);
  color: var(--alteria-muted-foreground);
}

.alteria-checklist__contador {
  flex-shrink: 0;
  border: 1px solid var(--alteria-emerald-30);
  border-radius: 9999px;
  background: var(--alteria-emerald-10);
  color: var(--alteria-emerald);
  padding: .25rem .75rem;
  font-size: var(--alteria-fs-xs);
  font-weight: 700;
}

.alteria-checklist__lista { display: grid; gap: .25rem; margin-top: 1rem; }

.alteria-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  border-radius: var(--alteria-radius-md);
  padding: .625rem .5rem;
  cursor: pointer;
  transition: background-color .2s ease;
}
.alteria-checklist__item:hover { background: var(--alteria-primary-08); }

/* El input real se oculta pero sigue siendo el que recibe el foco. */
.alteria-checklist__item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.alteria-checklist__marca {
  display: grid;
  place-items: center;
  width: 1.375rem;
  height: 1.375rem;
  flex-shrink: 0;
  margin-top: .0625rem;
  border: 1px solid var(--alteria-border);
  border-radius: var(--alteria-radius-sm);
  background: var(--alteria-background);
  color: transparent;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.alteria-checklist__marca svg { width: .875rem; height: .875rem; }

.alteria-checklist__item input:checked ~ .alteria-checklist__marca {
  border-color: var(--alteria-primary);
  background: var(--alteria-primary);
  color: var(--alteria-primary-foreground);
}
.alteria-checklist__item input:focus-visible ~ .alteria-checklist__marca {
  outline: 2px solid var(--alteria-ring);
  outline-offset: 2px;
}

.alteria-checklist__texto {
  font-size: var(--alteria-fs-sm);
  line-height: var(--alteria-lh-body);
  color: var(--alteria-muted-foreground);
  transition: color .2s ease;
}
.alteria-checklist__item input:checked ~ .alteria-checklist__texto {
  color: var(--alteria-foreground);
  text-decoration: line-through;
  text-decoration-color: var(--alteria-primary-40);
}