/* Shared cards and collections */

.card-grid,
.guide-grid,
.category-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.calculator-card,
.guide-card,
.category-card,
.empty-state {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.calculator-card {
  transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.calculator-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-card-lg);
  transform: translateY(-2px);
}

.calculator-card__category,
.guide-card__category,
.category-card__count {
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.calculator-card h3,
.guide-card h3,
.category-card h3 {
  margin-block: var(--space-2);
}

/* Calculator directory */

.directory-discovery {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.discovery-list {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface-muted);
}

.discovery-list h2,
.directory-results h2 {
  margin-top: 0;
  line-height: 1.2;
}

.discovery-list ol {
  display: grid;
  gap: var(--space-4);
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.discovery-list li span {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-muted);
}

.directory-results__count {
  margin-bottom: var(--space-2);
  color: var(--color-muted);
  font-weight: 700;
}

/* Shared content metadata */

.content-byline,
.content-review-date {
  margin-block: var(--space-3) 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.content-review-date {
  margin-top: var(--space-1);
}

/* Search, filters, and form controls */

.calculator-search,
.directory-filters {
  max-width: 42rem;
}

.calculator-search label,
.field label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 750;
}

.calculator-search__controls,
.directory-filters {
  display: grid;
  gap: var(--space-3);
}

input,
select,
button,
input[type="submit"] {
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  font: inherit;
}

input,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

/* Mouse focus receives subtle polish; :focus-visible in layout.css remains
   the strong keyboard indicator. */
input:focus,
select:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px var(--color-brand-ring);
}

select {
  padding-right: var(--space-7);
  background-image: var(--image-select-chevron);
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  appearance: none;
}

button,
input[type="submit"] {
  padding: var(--space-3) var(--space-5);
  border-color: var(--color-brand);
  color: var(--color-on-brand);
  background: var(--color-brand);
  font-weight: 750;
  cursor: pointer;
}

.directory-filters {
  margin-bottom: var(--space-6);
}

@media (min-width: 44rem) {
  .calculator-search__controls {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .directory-filters {
    grid-template-columns: minmax(15rem, 1fr) minmax(12rem, 0.5fr) auto;
    align-items: end;
    max-width: none;
  }

  .directory-discovery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}