/* Real equipment, classified for reading; keep the established academic visual system. */
body.equipment-page .equipment-intro { margin-bottom: 24px; }
body.equipment-page .equipment-intro > p { max-width: 68ch; }
body.equipment-page .equipment-toolbar { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 16px 24px; margin-bottom: 20px; }
body.equipment-page .equipment-search-field { flex: 1 1 280px; max-width: 440px; }
body.equipment-page .equipment-toolbar label { display: block; margin-bottom: 8px; color: var(--ink); font-size: 15px; font-weight: 500; }
body.equipment-page .equipment-toolbar :is(input, select) { width: 100%; min-width: 0; min-height: 44px; padding: 10px 12px; color: var(--ink); background: #fff; border: 1px solid #a6b5bc; border-radius: 4px; font: 400 16px/1.5 var(--font-sans); }
body.equipment-page .equipment-toolbar input::placeholder { color: var(--ink-soft); opacity: 1; }
body.equipment-page .equipment-clear { min-height: 44px; padding: 10px 18px; color: var(--teal); background: #fff; border: 1px solid var(--line); border-radius: 4px; font: 500 15px/1.5 var(--font-sans); cursor: pointer; }
body.equipment-page .equipment-clear:hover { border-color: var(--teal); }
body.equipment-page .equipment-clear:disabled { color: var(--ink-soft); background: #f5f7f8; cursor: default; }
body.equipment-page .equipment-mobile-category { display: none; }
body.equipment-page .equipment-reading-note { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 14px; }
body.equipment-page .equipment-reading-note p { margin: 0; }
body.equipment-page .equipment-browser { display: grid; grid-template-columns: 208px minmax(0, 1fr); align-items: start; gap: 40px; }
body.equipment-page .equipment-category-panel { position: sticky; top: calc(var(--page-header-height) + 20px); }
body.equipment-page .equipment-category-panel h3 { margin: 0 0 12px; font-size: 16px; }
body.equipment-page .equipment-category-buttons { display: grid; gap: 4px; }
body.equipment-page .equipment-category-buttons button { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 44px; padding: 10px 12px; color: var(--ink-soft); background: transparent; border: 1px solid transparent; border-radius: 3px; text-align: left; font: 400 15px/1.6 var(--font-sans); cursor: pointer; }
body.equipment-page .equipment-category-buttons button[aria-pressed="true"] { color: var(--teal-dark); background: #f2f6f5; border-color: var(--line); font-weight: 600; }
body.equipment-page .equipment-category-buttons button:hover { color: var(--teal); }
body.equipment-page .equipment-category-buttons .equipment-filter-count { flex-shrink: 0; color: var(--ink-soft); font-size: 14px; font-weight: 400; font-variant-numeric: tabular-nums; }
body.equipment-page .equipment-catalog { min-width: 0; }
body.equipment-page .instrument-category:not([hidden]) ~ .instrument-category:not([hidden]) { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
body.equipment-page .instrument-category-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 24px; }
body.equipment-page .instrument-category-heading h3 { margin: 0; font-size: 23px; }
body.equipment-page .instrument-category-heading > span { color: var(--ink-soft); font-size: 14px; font-variant-numeric: tabular-nums; }
body.equipment-page .instrument-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
body.equipment-page .instrument-item { min-width: 0; margin: 0; }
body.equipment-page .instrument-image { display: grid; place-items: center; width: 100%; aspect-ratio: 4 / 3; padding: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
body.equipment-page .instrument-image:is(:hover, :focus-visible) { border-color: var(--teal); }
body.equipment-page .instrument-image img { width: 100%; height: 100%; min-height: 0; object-fit: contain; object-position: center; }
body.equipment-page .instrument-image img[hidden] { display: none; }
body.equipment-page .instrument-item figcaption { padding-top: 12px; }
body.equipment-page .instrument-item h4 { margin: 0; color: var(--navy); font: 500 17px/1.65 var(--font-sans); text-wrap: initial; }
body.equipment-page .equipment-empty { margin: 0; padding: 24px 0; color: var(--ink-soft); font-size: 16px; }
body.equipment-page .instrument-image .equipment-image-error { color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
body.equipment-page .equipment-pending { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
body.equipment-page .equipment-pending h2 { margin: 0 0 8px; font-size: 21px; }
body.equipment-page .equipment-pending p { margin: 0; color: var(--ink-soft); font-size: 16px; }
body.equipment-page .equipment-note h2 { font-size: 23px; }
body.equipment-page :is(.instrument-category, .instrument-item, .equipment-empty)[hidden] { display: none; }

@media (max-width: 1120px) {
  body.equipment-page .equipment-browser { grid-template-columns: 184px minmax(0, 1fr); gap: 28px; }
  body.equipment-page .instrument-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  body.equipment-page .equipment-browser { grid-template-columns: 1fr; }
  body.equipment-page .equipment-category-panel { display: none; }
  body.equipment-page .equipment-mobile-category { display: block; flex: 1 1 240px; max-width: 340px; }
}
@media (max-width: 600px) {
  body.equipment-page .equipment-intro { margin-bottom: 20px; }
  body.equipment-page .equipment-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; }
  body.equipment-page .equipment-search-field,
  body.equipment-page .equipment-mobile-category { width: 100%; max-width: none; }
  body.equipment-page .equipment-search-field { grid-column: 1 / -1; }
  body.equipment-page .equipment-mobile-category { grid-column: 1; }
  body.equipment-page .equipment-clear { grid-column: 2; align-self: end; justify-self: start; }
  body.equipment-page .equipment-reading-note { margin-bottom: 24px; }
  body.equipment-page .instrument-category-heading { margin-bottom: 20px; }
  body.equipment-page .instrument-category-heading h3 { font-size: 21px; }
  body.equipment-page .instrument-grid { gap: 24px 16px; }
  body.equipment-page .instrument-image { padding: 12px; }
  body.equipment-page .instrument-item h4 { font-size: 16px; }
}
@media (max-width: 380px) {
  body.equipment-page .instrument-grid { grid-template-columns: 1fr; }
  body.equipment-page .instrument-image { padding: 20px; }
}