:root {
  --sarna-ink: #17212b;
  --sarna-muted: #52616b;
  --sarna-blue: #145a78;
  --sarna-blue-dark: #0d3f55;
  --sarna-blue-light: #eaf4f7;
  --sarna-gold: #b06b13;
  --sarna-border: #d8e0e5;
  --sarna-surface: #f6f8f9;
}

body {
  color: var(--sarna-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

.navbar {
  border-bottom: 1px solid var(--sarna-border);
}

.navbar-brand,
.navbar-nav .nav-link {
  font-weight: 600;
}

.navbar-brand {
  letter-spacing: 0.01em;
}

a {
  color: var(--sarna-blue);
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--sarna-blue-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #f0a84b;
  outline-offset: 3px;
}

h1,
h2,
h3 {
  color: var(--sarna-blue-dark);
  line-height: 1.2;
}

h1 {
  letter-spacing: -0.02em;
}

.sarna-lede {
  color: var(--sarna-muted);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  max-width: 48rem;
}

.sarna-institutional-note {
  color: var(--sarna-muted);
  font-size: 0.95rem;
  margin: 0 0 1.5rem;
}

.sarna-institutional-brand {
  align-items: center;
  background: var(--sarna-surface);
  border: 1px solid var(--sarna-border);
  border-radius: 0.35rem;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  margin: 1.5rem 0 2rem;
  padding: 1.25rem;
}

.sarna-institutional-logo {
  display: block;
  height: auto;
  max-width: 100%;
  width: 22rem;
}

.sarna-institutional-brand figcaption {
  color: var(--sarna-ink);
  margin: 0;
}

.sarna-status {
  background: var(--sarna-blue-light);
  border-left: 0.35rem solid var(--sarna-blue);
  border-radius: 0.2rem;
  margin: 1.5rem 0 2rem;
  padding: 1.1rem 1.25rem;
}

.sarna-status strong {
  color: var(--sarna-blue-dark);
}

.sarna-archive-callout {
  background: var(--sarna-blue-light);
  border: 1px solid #bfd8e1;
  border-left: 0.35rem solid var(--sarna-blue);
  border-radius: 0.3rem;
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.2rem;
}

.sarna-archive-callout p:last-child {
  margin-bottom: 0;
}

.sarna-contribution-callout {
  background: #fffaf3;
  border: 1px solid #e2c08e;
  border-left: 0.35rem solid var(--sarna-gold);
  border-radius: 0.3rem;
  margin: 1.5rem 0 2rem;
  padding: 1rem 1.2rem;
}

.sarna-contribution-callout h2 {
  font-size: 1.2rem;
  margin-top: 0;
}

.sarna-contribution-callout p:last-child {
  margin-bottom: 0;
}

.sarna-card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.5rem 0 2rem;
}

.sarna-card {
  background: var(--sarna-surface);
  border: 1px solid var(--sarna-border);
  border-radius: 0.35rem;
  padding: 1.15rem;
}

.sarna-card h3 {
  font-size: 1.05rem;
  margin-top: 0;
}

.sarna-card p:last-child {
  margin-bottom: 0;
}

.sarna-muted {
  color: var(--sarna-muted);
}

.sarna-database-app {
  margin: 1.5rem 0 2rem;
  min-height: 16rem;
}

.sarna-loading,
.sarna-load-error,
.sarna-no-results {
  background: var(--sarna-surface);
  border: 1px solid var(--sarna-border);
  border-radius: 0.35rem;
  padding: 1rem 1.15rem;
}

.sarna-view-tabs {
  border-bottom: 1px solid var(--sarna-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.sarna-view-tab {
  background: transparent;
  border: 0;
  border-bottom: 0.22rem solid transparent;
  color: var(--sarna-muted);
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  padding: 0.65rem 0.9rem;
}

.sarna-view-tab[aria-selected="true"] {
  border-bottom-color: var(--sarna-blue);
  color: var(--sarna-blue-dark);
}

.sarna-database-controls {
  background: var(--sarna-surface);
  border: 1px solid var(--sarna-border);
  border-radius: 0.35rem;
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.sarna-search label,
.sarna-filter label {
  color: var(--sarna-blue-dark);
  display: block;
  font-size: 0.9rem;
  font-weight: 650;
  margin-bottom: 0.25rem;
}

.sarna-search input,
.sarna-filter select,
.sarna-page-size select {
  background: #fff;
  border: 1px solid #aebbc3;
  border-radius: 0.25rem;
  color: var(--sarna-ink);
  font: inherit;
  padding: 0.48rem 0.58rem;
}

.sarna-search input {
  max-width: 45rem;
  width: 100%;
}

.sarna-filter-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sarna-filter select {
  width: 100%;
}

.sarna-control-actions {
  display: flex;
  justify-content: flex-start;
}

.sarna-secondary-button,
.sarna-expand-button {
  background: #fff;
  border: 1px solid #9dafb9;
  border-radius: 0.25rem;
  color: var(--sarna-blue-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 0.38rem 0.65rem;
}

.sarna-secondary-button:hover,
.sarna-expand-button:hover {
  background: var(--sarna-blue-light);
}

.sarna-secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.sarna-results-summary {
  color: var(--sarna-muted);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1rem 0 0.55rem;
}

.sarna-table-region {
  border: 1px solid var(--sarna-border);
  border-radius: 0.35rem;
  max-height: 82vh;
  overflow: auto;
}

.sarna-data-table {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.88rem;
  margin: 0;
  min-width: 76rem;
  width: 100%;
}

.sarna-data-table th,
.sarna-data-table td {
  border-bottom: 1px solid var(--sarna-border);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.sarna-data-table th {
  background: var(--sarna-blue-dark);
  color: #fff;
  position: sticky;
  top: 0;
  white-space: nowrap;
  z-index: 2;
}

.sarna-data-table tbody tr:not(.sarna-detail-row):hover td {
  background: #f3f8fa;
}

.sarna-data-table tbody tr:last-child td {
  border-bottom: 0;
}

.sarna-sort-button {
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0;
  text-align: left;
}

.sarna-detail-heading,
.sarna-detail-cell {
  min-width: 5.25rem;
  width: 5.25rem;
}

.sarna-sequence {
  font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  overflow-wrap: anywhere;
}

.sarna-empty {
  color: #78868e;
}

.sarna-retracted {
  background: #fce8e8;
  border: 1px solid #dc9e9e;
  border-radius: 999px;
  color: #7e2020;
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.35rem;
  padding: 0.08rem 0.45rem;
  width: fit-content;
}

.sarna-detail-row td {
  background: #f6fafb;
  padding: 1rem;
}

.sarna-record-details h3,
.sarna-record-details h4 {
  margin-top: 0;
}

.sarna-record-details h4 {
  border-top: 1px solid var(--sarna-border);
  font-size: 1rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
}

.sarna-record-details dl {
  display: grid;
  gap: 0.35rem 1rem;
  grid-template-columns: minmax(11rem, 15rem) minmax(0, 1fr);
  margin: 0;
}

.sarna-record-details dt {
  color: var(--sarna-muted);
  font-weight: 650;
}

.sarna-record-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.sarna-pagination {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-start;
  margin-top: 0.8rem;
}

.sarna-page-size {
  margin-left: auto;
}

.sarna-footer-note {
  border-top: 1px solid var(--sarna-border);
  color: var(--sarna-muted);
  font-size: 0.95rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
}

.sarna-site-footer {
  border-top: 1px solid var(--sarna-border);
  color: var(--sarna-muted);
  font-size: 0.9rem;
  margin: 3rem auto 0;
  max-width: 52rem;
  padding: 1.25rem 1rem 0;
  text-align: center;
}

.sarna-site-footer p {
  margin: 0;
}

.sarna-site-footer span {
  display: block;
}

@media (max-width: 800px) {
  .sarna-card-grid {
    grid-template-columns: 1fr;
  }

  .sarna-institutional-brand {
    grid-template-columns: 1fr;
  }

  .sarna-institutional-logo {
    width: min(100%, 22rem);
  }

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

  .sarna-record-details dl {
    grid-template-columns: 1fr;
  }

  .sarna-record-details dd {
    margin-bottom: 0.6rem;
  }
}

@media (max-width: 520px) {
  .sarna-view-tab {
    flex: 1 1 auto;
    font-size: 0.84rem;
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }

  .sarna-filter-grid {
    grid-template-columns: 1fr;
  }

  .sarna-page-size {
    margin-left: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}