.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none !important;
  cursor: pointer;
  transition: background var(--motion-fast), color var(--motion-fast), border-color var(--motion-fast), transform var(--motion-fast);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-green); color: var(--color-white); }
.btn-primary:hover { background: var(--color-green-dark); }
.btn-secondary { background: var(--color-white); color: var(--color-navy); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--color-navy); }
.btn-ghost { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.45); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-login { background: var(--color-navy); color: var(--color-white); }
.btn-disabled, .btn[aria-disabled="true"] {
  background: #9aa8b8;
  color: #fff;
  pointer-events: none;
  cursor: not-allowed;
  opacity: 0.85;
}

.panel {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.panel h3 { margin-bottom: var(--space-2); }
.panel p:last-child { margin-bottom: 0; }

.feature-list { padding-left: 1.1rem; }
.feature-list li { margin-bottom: 0.4rem; }

.rate-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); background: var(--color-white); }
.rate-table th, .rate-table td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.rate-table th {
  background: var(--color-sand);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.rate-table tr:last-child td { border-bottom: 0; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}
.stat {
  padding: var(--space-4);
  background: var(--color-white);
  border-top: 3px solid var(--color-green);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-green);
}
.stat strong { display: block; font-size: 1.35rem; font-family: var(--font-display); }

.search-box, .calc-form {
  display: grid;
  gap: var(--space-3);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
}
label { font-weight: 600; display: grid; gap: 0.35rem; }
input[type="text"], input[type="search"], input[type="number"], select, textarea {
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.55rem 0.75rem;
  background: var(--color-white);
}
.calc-result {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: var(--color-sand);
  border-left: 3px solid var(--color-green);
}
.calc-result strong { font-size: 1.5rem; font-family: var(--font-display); display: block; }

.timeline { border-left: 2px solid var(--color-border); padding-left: var(--space-5); }
.timeline-item { position: relative; margin-bottom: var(--space-5); }
.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-5) - 5px);
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 3px var(--color-paper);
}
.timeline-date { font-weight: 700; color: var(--color-navy); }
.museum-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0 1.5rem; }
.museum-nav a {
  padding: 0.35rem 0.75rem; border: 1px solid var(--color-border); text-decoration: none;
  color: var(--color-navy); font-size: 0.9rem; background: var(--color-paper);
}
.museum-nav a:hover, .museum-nav a:focus-visible { border-color: var(--color-navy); background: #fff; }
.pathway-card { border-top: 3px solid var(--color-green); }
.pathway-meta { display: grid; gap: 0.75rem; margin: 1rem 0; }
.pathway-meta h3 { font-size: 1rem; margin: 0 0 0.25rem; }
.provenance {
  display: grid; gap: 0.35rem; padding: 0.85rem 1rem; margin: 1rem 0;
  background: var(--color-sand); border-left: 3px solid var(--color-navy); font-size: 0.9rem;
}
.provenance dt { font-weight: 600; color: var(--color-navy-deep); }
.provenance dd { margin: 0 0 0.35rem; }
.strength-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.strength-stat { padding: 1.25rem; background: var(--color-paper); border: 1px solid var(--color-border); }
.strength-stat strong { display: block; font-size: 1.6rem; color: var(--color-navy); margin: 0.35rem 0; }
.sitemap-columns { columns: 2; column-gap: 2rem; }
.sitemap-columns section { break-inside: avoid; margin-bottom: 1.25rem; }
@media (max-width: 700px) { .sitemap-columns { columns: 1; } }
.alert-card { margin-bottom: 1.25rem; }
.home-rates-strip { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

.alert-safe {
  background: #eef8f1;
  border: 1px solid #b7dfc4;
  padding: var(--space-4);
}
.alert-warn {
  background: #fff7e8;
  border: 1px solid #efd09a;
  padding: var(--space-4);
}
.alert-stale {
  background: #fff4e5;
  border: 1px solid #e0a65a;
  border-left: 4px solid #c98512;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}
.accordion { display: grid; gap: 0.5rem; margin: var(--space-4) 0; }
.accordion-item {
  border: 1px solid var(--color-border);
  background: var(--color-white);
  padding: 0.35rem 0.85rem;
}
.accordion-item summary {
  cursor: pointer;
  font-weight: 600;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
}
.accordion-panel { padding: 0 0 0.75rem; }

.announcement-bar {
  background: var(--color-navy-deep);
  color: rgba(255,255,255,0.92);
  font-size: 0.875rem;
  padding: 0.55rem 0;
}
.announcement-bar a { color: #afd9ee; }
.announcement-bar .shell { justify-content: space-between; gap: 1rem; }

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-5) 0 var(--space-4);
  padding: var(--space-3);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--color-border);
}
.quick-actions a {
  text-decoration: none !important;
  font-weight: 600;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-navy-deep);
  border-radius: var(--radius);
}
.quick-actions a:hover { border-color: var(--color-navy); color: var(--color-navy); }

.disclosure-block {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.disclosure-item {
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.7);
  border-left: 3px solid var(--color-border);
}
.content-placeholder {
  background: #f7f1e8;
  border: 1px dashed #c9a36a;
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
}
.ui-state {
  padding: var(--space-3) var(--space-4);
  background: var(--color-sand);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-3);
}
.ui-state-error { background: #fdecec; border-color: #e2b6b6; }
.mobile-utility {
  display: none;
  position: sticky;
  bottom: 0;
  z-index: 30;
  background: rgba(247,249,252,0.96);
  border-top: 1px solid var(--color-border);
  padding: 0.5rem;
  gap: 0.4rem;
  justify-content: space-around;
}
@media (max-width: 767px) {
  .mobile-utility { display: flex; }
}

.meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0 0 var(--space-5);
  padding: 0.65rem 0.85rem;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--color-border);
}
.meta-bar strong { color: var(--color-navy-deep); font-weight: 600; }

.evidence {
  margin: var(--space-4) 0;
  padding: var(--space-4);
  background: #f3f7fb;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-navy);
}
.evidence-claim { font-weight: 600; margin-bottom: 0.35rem; }
.evidence dl {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.35rem 0.75rem;
  margin: 0;
  font-size: 0.875rem;
}
.evidence dt { color: var(--color-muted); margin: 0; }
.evidence dd { margin: 0; }

.answer-block {
  margin: var(--space-5) 0;
  padding: var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}
.answer-block .direct-answer {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.correction-notice {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-4);
  background: #fff7e8;
  border-left: 3px solid #c98512;
  font-size: 0.875rem;
}

.glossary-term {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none !important;
  color: var(--color-navy-deep);
  font-weight: 700;
}
.logo-mark img {
  display: block;
  height: 2.6rem;
  width: auto;
  max-width: min(220px, 48vw);
}
.logo-mark svg { width: 2.25rem; height: 2.25rem; }
.logo-text { display: grid; line-height: 1.1; }
.logo-text span:last-child { font-size: 0.72rem; font-weight: 500; color: var(--color-muted); letter-spacing: 0.04em; text-transform: uppercase; }

.login-choice {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.login-choice .panel { min-height: 100%; }

.login-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0 0 var(--space-5);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(6px);
}
.login-jump a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15rem;
  transition: border-color var(--motion-fast), color var(--motion-fast);
}
.login-jump a:hover,
.login-jump a:focus-visible {
  border-bottom-color: var(--color-green);
  color: var(--color-ink);
}
.login-trust { margin-bottom: var(--space-5); }
.login-trust .strength-stat strong { font-size: 1.05rem; }
.login-steps-list { max-width: 40rem; }
.login-steps-list li { margin-bottom: 0.65rem; }

#search-results li { margin-bottom: var(--space-3); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-border); }