.library-hero { padding: 32px 0 36px; background: var(--ivory); border-bottom: 1px solid var(--line); }
.library-hero h1 { max-width: 900px; margin-bottom: 16px; font-size: clamp(2.6rem, 5.4vw, 4.4rem); line-height: 1.07; overflow-wrap: anywhere; }
.library-index .library-hero h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
.library-hero .kicker { margin-bottom: 12px; }
.library-lede { max-width: 720px; font-size: 1.15rem; margin-bottom: 20px; }
.library-meta { font-variant-numeric: tabular-nums; display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 0; font-size: .875rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; color: var(--ink-soft); font-size: .875rem; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; color: var(--ink-soft); }
.breadcrumbs a, .text-link { text-decoration: underline; text-underline-offset: 4px; }
.library-main { padding-block: 32px 80px; }
.library-tools { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); margin-bottom: 32px; }
.library-tools fieldset { border: 0; margin: 0; padding: 0; }
.library-fields { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 16px; }
.library-field { min-width: 0; }
.library-field label { display: block; font-size: .875rem; font-weight: 500; margin-bottom: 8px; }
.library-field input, .library-field select { width: 100%; min-height: 48px; border: 1px solid var(--muted); border-radius: 8px; background: var(--paper); color: var(--ink); padding: 8px 12px; font: inherit; font-size: 1rem; }
.library-field select { padding-right: 24px; }
.library-secondary { margin-top: 16px; display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 16px; align-items: end; }
.library-reset { min-height: 48px; background: none; border: 1px solid var(--line); color: var(--teal); border-radius: 8px; padding: 8px 16px; font-weight: 500; cursor: pointer; transition: background-color 160ms var(--ease), border-color 160ms var(--ease); }
.library-reset:hover { background: var(--mint-pale); }
.library-reset:active { background: var(--mint); }
.results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.results-heading h2 { margin: 0; font: 500 1.125rem/1.5 ui-sans-serif, sans-serif; font-variant-numeric: tabular-nums; letter-spacing: 0; }
.results-heading a { font-size: .9rem; color: var(--teal); }
.product-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.product-card { height: 100%; display: flex; flex-direction: column; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; transition: border-color 160ms var(--ease), background-color 160ms var(--ease); }
.product-card:hover { border-color: var(--teal); background: var(--ivory); }
.product-card:active { background: var(--mint-pale); }
.product-brand { color: var(--ink-soft); font-size: .875rem; font-weight: 500; margin-bottom: 12px; }
.product-card h3 { font: 400 1.55rem/1.25 Georgia, serif; letter-spacing: 0; margin-bottom: 16px; overflow-wrap: anywhere; }
.product-card .product-kind { font-size: .82rem; margin-bottom: 20px; }
.product-card .card-footer { font-variant-numeric: tabular-nums; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); margin-top: auto; color: var(--ink-soft); font-size: .875rem; }
.card-arrow { color: var(--teal); font-size: 1.35rem; }
.empty-results { padding: 44px 24px; text-align: center; background: var(--ivory); border-radius: 16px; }
.empty-results h3 { margin-bottom: 12px; }
.library-note { margin: 36px 0 0; max-width: 800px; font-size: .88rem; }
.library-note a, .detail-body a, .detail-aside a:not(.button) { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.library-cta { margin-top: 52px; padding: 36px; background: var(--teal-deep); border-radius: 20px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.library-cta h2 { color: white; font-size: 2.2rem; margin-bottom: 12px; }
.library-cta p { color: #d7eae5; margin-bottom: 0; max-width: 610px; }
.library-cta .button { flex-shrink: 0; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 312px; gap: 64px; padding-block: 40px 72px; }
.detail-body { min-width: 0; }
.detail-body h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1.15; margin: 40px 0 24px; }
.detail-body h2:first-child { margin-top: 0; }
.detail-body h3 { font-size: 1.15rem; margin-top: 24px; }
.ingredient-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; counter-reset: ingredient; margin: 24px 0; padding: 0; }
.ingredient-list li { max-width: 100%; counter-increment: ingredient; display: flex; align-items: baseline; gap: 8px; border: 1px solid var(--line); background: var(--white); border-radius: 8px; padding: 8px 12px; font-size: .88rem; overflow-wrap: anywhere; }
.ingredient-list li::before { content: counter(ingredient, decimal-leading-zero); color: var(--muted); font-size: .75rem; font-variant-numeric: tabular-nums; }
.ingredient-list a { overflow-wrap: anywhere; }
.formula-text { padding: 20px; border-radius: 12px; background: var(--ivory); color: var(--ink-soft); overflow-wrap: anywhere; font-size: .9rem; }
.detail-body details { margin-block: 24px; }
.detail-body summary { cursor: pointer; color: var(--teal); font-weight: 600; padding-block: 12px; }
.detail-aside { align-self: start; background: var(--ivory); border-radius: 16px; padding: 24px; }
.detail-aside h2 { font-size: 1.75rem; line-height: 1.15; margin-bottom: 24px; }
.detail-aside dl { margin: 0; }
.detail-aside dt { font-size: .875rem; color: var(--muted); margin-top: 20px; }
.detail-aside dd { font-size: .93rem; margin: 4px 0 0; overflow-wrap: anywhere; }
.detail-aside .button { width: 100%; font-size: .9rem; margin-top: 28px; padding-inline: 16px; }
.detail-aside .aside-note { font-size: .875rem; margin: 16px 0 0; }
.source-list { padding-left: 24px; }
.source-list li { margin-block: 12px; overflow-wrap: anywhere; }
.source-detail { display: block; font-size: .875rem; color: var(--ink-soft); margin-top: 4px; }
.related-products { border-top: 1px solid var(--line); padding-block: 48px 72px; }
.related-products h2 { font-size: 2.5rem; }
.function-list { display: grid; gap: 12px; }
.function-entry { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.function-entry h3 { font-size: .875rem; font-weight: 500; letter-spacing: 0; margin: 0 0 12px; }
.function-entry blockquote { margin: 0; color: var(--ink-soft); }
.ingredient-reference-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ingredient-reference-grid a { display: block; padding: 24px; height: 100%; border: 1px solid var(--line); border-radius: 12px; background: var(--white); overflow-wrap: anywhere; transition: background-color 160ms var(--ease), border-color 160ms var(--ease); }
.ingredient-reference-grid a:hover { background: var(--ivory); border-color: var(--teal); }
.ingredient-reference-grid strong { display: block; margin-bottom: 4px; font-size: 1rem; font-weight: 500; }
.ingredient-reference-grid span { color: var(--ink-soft); font-size: .875rem; }
[hidden] { display: none !important; }
@media (max-width: 1000px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 272px; gap: 32px; }
  .library-cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .library-hero { padding-block: 24px 28px; }
  .library-hero h1 { font-size: clamp(2.25rem, 9vw, 3rem); }
  .library-lede { font-size: 1.05rem; }
  .library-main { padding-top: 24px; }
  .library-fields, .library-secondary { grid-template-columns: 1fr 1fr; gap: 16px; }
  .library-fields .library-field:first-child { grid-column: 1 / -1; }
  .library-secondary .library-reset { grid-column: 1 / -1; }
  .library-tools { padding: 16px; }
  .product-grid, .ingredient-reference-grid { grid-template-columns: 1fr; }
  .product-card { padding: 24px; }
  .results-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .detail-layout { grid-template-columns: 1fr; padding-block: 32px 48px; }
  .detail-aside { padding: 24px; }
  .library-cta { padding: 24px; }
  .library-cta h2 { font-size: 2rem; }
}