:root {
  --color-primary: #1B4D3E;
  --color-primary-dark: #143d31;
  --color-accent: #C4784A;
  --color-accent-soft: #e8c4ae;
  --color-bg: #F4F7F5;
  --color-surface: #ffffff;
  --color-text: #1A2E28;
  --color-muted: #5a7268;
  --color-border: #d4ddd8;
  --color-error: #b42318;
  --color-success: #1B4D3E;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Manrope", system-ui, -apple-system, sans-serif;
  --wrap: 72rem;
  --radius: 0.5rem;
  --radius-lg: 0.875rem;
  --shadow-sm: 0 1px 2px rgba(26, 46, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 46, 40, 0.08);
  --header-h: 4.25rem;
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

img, svg, video, canvas { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin: 0 0 0.75rem; }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); margin: 0 0 0.65rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }

p { margin: 0 0 1rem; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.25rem;
  min-width: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.brand img { width: auto; max-height: 2.25rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav { min-width: 0; }
.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav__list a {
  display: block;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
}
.site-nav__list a:hover { color: var(--color-accent); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 46, 40, 0.45);
  z-index: 150;
}
.nav-backdrop[hidden] { display: none; }

body.nav-open { overflow: hidden; }

@media (max-width: 1023px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(20rem, 88vw);
    height: 100dvh;
    padding: calc(var(--header-h) + 1rem) 1.25rem 1.5rem;
    background: var(--color-surface);
    box-shadow: -4px 0 24px rgba(26, 46, 40, 0.12);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 180;
    overflow-y: auto;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav__list { flex-direction: column; gap: 0; }
  .site-nav__list a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }
}

/* Main */
.site-main {
  padding-block: 2rem 3.5rem;
  min-width: 0;
}

.page-intro { margin-bottom: 2rem; }
.page-intro .lede {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 44rem;
}

.lede { font-size: 1.125rem; max-width: 44rem; }

.section-header { margin-bottom: 1.5rem; }
.section-header p { color: var(--color-muted); max-width: 42rem; }

/* Hero composition — single block, no cards */
.hero-composition {
  background: linear-gradient(135deg, rgba(27, 77, 62, 0.06) 0%, rgba(196, 120, 74, 0.05) 100%);
  border-bottom: 1px solid var(--color-border);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 2.5rem;
}

.hero-composition__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.hero-composition__brand { min-width: 0; }

.hero-mark {
  width: 4rem;
  height: 4rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.hero-composition__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 0.5rem;
}

.hero-composition__title {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  margin-bottom: 0.35rem;
}

.hero-composition__tagline {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-style: italic;
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.hero-composition__lede {
  color: var(--color-muted);
  max-width: 36rem;
  margin-bottom: 1.5rem;
}

.hero-composition__visual {
  display: flex;
  justify-content: center;
  min-width: 0;
}
.hero-tree { width: 100%; max-width: 22rem; }

.hero-search {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 36rem;
}
.hero-search input {
  flex: 1 1 14rem;
  min-width: 0;
}

@media (max-width: 768px) {
  .hero-composition__inner { grid-template-columns: 1fr; }
  .hero-composition__visual { order: -1; }
  .hero-tree { max-width: 14rem; margin-inline: auto; }
}

/* Buttons & forms */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--block { width: 100%; }

input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }

.input-row, .inline-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: stretch;
}
.input-row input, .inline-search input { flex: 1 1 12rem; min-width: 0; }

.form-hint, .form-error, .field-error {
  font-size: 0.875rem;
  margin-top: 0.35rem;
}
.form-hint { color: var(--color-muted); }
.form-error, .field-error { color: var(--color-error); }
.form-success { color: var(--color-success); font-weight: 600; }

/* Tool cards (not in hero) */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  min-width: 0;
  box-shadow: var(--shadow-sm);
}
.tool-card h3 { margin-bottom: 0.5rem; }
.tool-card h3 a { text-decoration: none; color: inherit; }
.tool-card h3 a:hover { color: var(--color-accent); }
.tool-card p { color: var(--color-muted); font-size: 0.95rem; }
.tool-card__cta {
  display: inline-block;
  margin-top: 0.75rem;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}
.tool-card__form {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
  min-width: 0;
}
.tool-card__form input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 8px);
  font: inherit;
  background: #fff;
}
.tool-card__form .btn { justify-self: start; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 1rem;
  margin: 0;
}
.stat-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  min-width: 0;
}
.stat-item dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}
.stat-item dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

.link-columns {
  columns: 2;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.link-columns li { margin-bottom: 0.65rem; break-inside: avoid; }
@media (max-width: 480px) { .link-columns { columns: 1; } }

.section-tools, .section-stats, .section-guides { margin-bottom: 3rem; }

/* Breadcrumbs */
.breadcrumbs { margin-bottom: 1rem; font-size: 0.875rem; }
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-muted);
}
.breadcrumbs__list li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--color-border);
}
.breadcrumbs a { color: var(--color-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-accent); }

/* Tables */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.data-table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  word-break: break-word;
}
.data-table th {
  background: rgba(27, 77, 62, 0.05);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table a { font-weight: 600; text-decoration: none; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.detail-grid dt { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-muted); }
.detail-grid dd { margin: 0.25rem 0 0; font-size: 1.15rem; font-weight: 600; }

/* Pagination */
.pagination { margin: 1.5rem 0; }
.pagination__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}
.pagination__link--current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.pagination__ellipsis { padding: 0.45rem 0.25rem; color: var(--color-muted); }

/* Share */
.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}
.share-bar__label { font-weight: 700; font-size: 0.9rem; }
.share-bar__buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.share-btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
}
.share-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.share-bar__status { font-size: 0.85rem; color: var(--color-success); width: 100%; }

/* Source citation */
.source-citation {
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  background: rgba(27, 77, 62, 0.04);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
}
.source-citation__heading { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 0.35rem; }
.source-citation__note { color: var(--color-muted); margin: 0.35rem 0 0; }

/* Charts */
.chart-figure { margin: 1.5rem 0; min-width: 0; }
.chart-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: var(--chart-height, 320px);
  min-width: 0;
}
.chart-canvas { max-width: 100% !important; }
.chart-caption { font-size: 0.875rem; color: var(--color-muted); margin-top: 0.5rem; text-align: center; }
.chart-noscript { font-size: 0.9rem; color: var(--color-muted); }

/* Relationship result */
.relationship-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.relationship-result__diagram svg { max-width: 100%; height: auto; }
.relationship-result__label {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}
.relationship-result__path { color: var(--color-muted); font-size: 0.95rem; margin: 0; }
.relationship-result__path-label { font-weight: 700; color: var(--color-text); }

@media (max-width: 640px) {
  .relationship-result { grid-template-columns: 1fr; }
}

/* Chips & tools */
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.chip {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-text);
}
.chip:hover { border-color: var(--color-accent); color: var(--color-accent); }

.tool-panel, .content-block { margin-bottom: 2.5rem; }

.empty-state {
  padding: 2rem 1.25rem;
  text-align: center;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-muted);
}
.empty-state--inline { margin: 1rem 0; padding: 1.25rem; }

/* Autocomplete */
.autocomplete-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  margin-top: 0.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  max-height: 16rem;
  overflow-y: auto;
}
.autocomplete-panel[hidden] { display: none; }
.autocomplete-item {
  display: block;
  width: 100%;
  padding: 0.65rem 0.85rem;
  text-align: left;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
  color: var(--color-text);
}
.autocomplete-item:hover, .autocomplete-item[aria-selected="true"] {
  background: rgba(27, 77, 62, 0.06);
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  gap: 2rem;
  align-items: start;
}
.contact-form label { margin-top: 1rem; }
.contact-aside {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}
.contact-aside ul { padding-left: 1.15rem; color: var(--color-muted); }

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* Admin */
.admin-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}
.admin-login__card {
  width: min(100%, 24rem);
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.admin-login__card h1 { font-size: 1.35rem; margin: 1rem 0; }
.admin-login__card label { margin-top: 0.75rem; }

.admin-nav ul { list-style: none; padding: 0; }
.admin-nav a { font-weight: 600; }

/* Ads */
.ad-slot { margin: 1rem 0; min-width: 0; }
.ad-unit { min-width: 0; max-width: 100%; overflow: hidden; text-align: center; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.88);
  padding-top: 2.5rem;
  margin-top: 2rem;
}
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: var(--color-accent-soft); }

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-logo img { opacity: 0.95; max-height: 2rem; width: auto; }
.footer-tagline { font-family: var(--font-display); font-style: italic; margin: 0.75rem 0; }
.footer-note { font-size: 0.85rem; opacity: 0.75; max-width: 28rem; }
.footer-heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 0 0.75rem;
}
.footer-links ul { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.45rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-block: 1.25rem;
  font-size: 0.85rem;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(26, 46, 40, 0.55);
}
.modal-overlay[hidden] { display: none; }
.modal {
  width: min(100%, 28rem);
  max-height: min(90dvh, 32rem);
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
}
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.modal__close {
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-muted);
}

/* Search results */
.search-meta { color: var(--color-muted); font-size: 0.9rem; margin: 0.75rem 0 1rem; }
.letter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  margin: 0 0 1.25rem;
  font-weight: 600;
}
.letter-nav a { text-decoration: none; }
.lab-breakdown { margin: 0.75rem 0; padding-left: 1.1rem; }
.lab-summary .relationship-result__label { font-size: 1.35rem; margin: 0.25rem 0 0.75rem; }
.compare-fields { display: grid; gap: 0.65rem; margin-bottom: 0.85rem; }
@media (min-width: 720px) {
  .compare-fields { grid-template-columns: 1fr 1fr; gap: 1rem; }
}
.search-results { list-style: none; padding: 0; margin: 0; }
.search-results__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.search-results__type {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  font-weight: 700;
}
.search-results__item h2 { font-size: 1.15rem; margin: 0.25rem 0; }

/* Error page */
.error-page code {
  word-break: break-all;
  font-size: 0.9em;
  background: rgba(27, 77, 62, 0.06);
  padding: 0.15rem 0.35rem;
  border-radius: 0.25rem;
}
.error-page__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

/* Prose content */
.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }

.tool-list { list-style: none; padding: 0; margin: 0; }
.tool-list__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.tool-list__item h2 { font-size: 1.2rem; margin-bottom: 0.35rem; }
.tool-list__item h2 a { text-decoration: none; color: inherit; }

.compare-fields, .cousin-fields, .lab-names, .lab-options {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.filter-bar select { width: auto; min-width: 8rem; }

.article-list { list-style: none; padding: 0; margin: 0; }
.article-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.article-list h2 { font-size: 1.2rem; }

.resolve-output.is-loading { opacity: 0.6; pointer-events: none; }