:root {
  --ntog-navy: #003580;
  --ntog-navy-dark: #002a5c;
  --ntog-hero-dark: #041827;
  --ntog-hero-mid: #071f35;
  --ntog-hero-accent: #163a5a;
  --ntog-ink: #1f2933;
  --swedish-blue: #0057b8;
  --swedish-yellow: #ffd21a;
  --swedish-yellow-dark: #f2b400;
  --ntog-mist: #eef6fb;
  --ntog-muted: #607587;
}

body {
  background: #f5f7f8;
}

.navbar.navbar-default {
  background-color: #fff !important;
  border: 0;
  border-bottom: 4px solid var(--ntog-navy);
  box-shadow: 0 6px 18px rgba(31, 78, 121, 0.08);
  padding: 0.85rem max(1rem, calc((100vw - 1500px) / 2));
}

.navbar.navbar-default .navbar-brand {
  color: var(--ntog-navy-dark) !important;
}

.navbar.navbar-default .navbar-nav .nav-link {
  color: var(--ntog-navy-dark) !important;
}

.navbar.navbar-default .navbar-nav .nav-link:hover {
  background: #eef6fb;
  color: var(--swedish-blue) !important;
}

.navbar.navbar-default .navbar-nav .nav-link.active {
  background: rgba(255, 210, 26, 0.28);
  box-shadow: inset 0 -3px 0 var(--swedish-yellow);
  color: var(--ntog-navy-dark) !important;
}

.navbar-brand {
  margin-right: 2rem;
}

.brand-lockup {
  align-items: center;
  display: flex;
  gap: 0.8rem;
}

.brand-logo {
  background: #fff;
  border-radius: 50%;
  flex: 0 0 auto;
}

.brand-name {
  color: var(--ntog-navy-dark);
  font-family: Montserrat, sans-serif;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand-title {
  border-left: 1px solid #d0d7df;
  color: var(--ntog-navy);
  font-family: Montserrat, sans-serif;
  font-size: 0.93rem;
  font-weight: 650;
  padding-left: 0.8rem;
}

.nav-link {
  font-weight: 650;
}

.app-shell {
  margin: 0 auto;
  max-width: 1500px;
  padding: 1.2rem 1rem 3rem;
}

.bslib-sidebar-layout > .sidebar {
  background: #fff;
  border: 1px solid #dfe7eb;
  border-radius: 0.75rem;
  box-shadow: 0 12px 36px rgba(28, 54, 75, 0.06);
  padding: 1.4rem;
}

.control-heading h2,
.card h2 {
  color: var(--ntog-ink);
  font-family: Montserrat, sans-serif;
  font-size: 1.16rem;
  font-weight: 700;
  margin: 0.18rem 0 1rem;
}

.form-group {
  border-top: 1px solid #edf1f3;
  margin-top: 1rem;
  padding-top: 1rem;
}

.control-label {
  color: var(--ntog-ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.55rem;
}

.checkbox label,
.radio-inline {
  color: #41576a;
}

.checkbox input:checked,
.radio-inline input:checked {
  accent-color: var(--swedish-blue);
}

.checkbox input:focus-visible,
.radio-inline input:focus-visible {
  outline: 3px solid var(--swedish-yellow);
  outline-offset: 2px;
}

.selectize-input.focus {
  border-color: var(--swedish-blue);
  box-shadow: 0 0 0 0.2rem rgba(255, 210, 26, 0.45);
}

.sidebar-help {
  align-items: flex-start;
  background: #eef6fb;
  border-radius: 0.55rem;
  color: #40596a;
  display: flex;
  font-size: 0.78rem;
  gap: 0.65rem;
  margin-top: 1.4rem;
  padding: 0.85rem;
}

.sidebar-help p {
  margin: 0.16rem 0 0;
}

.status-dot {
  background: var(--swedish-blue);
  border: 3px solid var(--swedish-yellow);
  border-radius: 50%;
  flex: 0 0 auto;
  height: 0.72rem;
  margin-top: 0.13rem;
  width: 0.72rem;
}

.content-stack {
  display: grid;
  gap: 1rem;
}

.hero-panel {
  align-items: flex-end;
  background:
    radial-gradient(circle at 92% 12%, rgba(0, 87, 184, 0.45), transparent 32%),
    linear-gradient(
      132deg,
      var(--ntog-hero-dark) 0%,
      var(--ntog-navy) 68%,
      var(--swedish-blue) 100%
    );
  border-radius: 0.78rem;
  color: #fff;
  display: flex;
  justify-content: space-between;
  min-height: 205px;
  overflow: hidden;
  padding: 2rem 2.15rem;
}

.hero-panel h1,
.methods-page h1 {
  font-family: Montserrat, sans-serif;
  font-weight: 700;
}

.hero-panel h1 {
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  letter-spacing: -0.035em;
  margin: 0.35rem 0 0.55rem;
  max-width: 760px;
}

.hero-panel p {
  color: #d9e8ed;
  font-size: 1.02rem;
  margin: 0;
  max-width: 650px;
}

.hero-badge {
  align-items: flex-end;
  color: #dfeafa;
  display: flex;
  flex-direction: column;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-badge a {
  color: #fff;
  font-family: Montserrat, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: none;
}

.eyebrow {
  color: var(--swedish-blue);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.eyebrow.light {
  color: var(--swedish-yellow);
}

.method-note {
  align-items: flex-start;
  background: #eef6fb;
  border: 1px solid #cfe0f3;
  border-radius: 0.62rem;
  color: var(--ntog-navy-dark);
  display: flex;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
}

.method-note.warning {
  background: #fff9d8;
  border-color: var(--swedish-yellow-dark);
  color: #514100;
}

.method-note .note-icon {
  align-items: center;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  display: flex;
  flex: 0 0 auto;
  font-weight: 800;
  height: 1.65rem;
  justify-content: center;
  width: 1.65rem;
}

.method-note p {
  margin: 0.18rem 0 0;
}

.metric-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  background: #fff;
  border: 1px solid #dfe7eb;
  border-top: 3px solid var(--swedish-yellow);
  border-radius: 0.65rem;
  box-shadow: 0 8px 25px rgba(28, 54, 75, 0.045);
  padding: 1rem 1.15rem;
}

.metric-label {
  color: var(--ntog-muted);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-value {
  color: var(--ntog-ink);
  font-family: Montserrat, sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 0.2rem 0;
}

.metric-note {
  color: #718494;
  font-size: 0.76rem;
}

.card {
  border: 1px solid #dfe7eb;
  border-radius: 0.72rem;
  box-shadow: 0 10px 30px rgba(28, 54, 75, 0.05);
}

.chart-card .card-header {
  background: #fff;
  border-bottom: 1px solid #e5ebef;
  padding: 1.15rem 1.3rem 0.85rem;
}

.chart-card .card-header > div {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.chart-card .card-header h2 {
  margin-bottom: 0;
}

.download-group {
  display: flex;
  gap: 0.45rem;
}

.btn-download,
.btn-citation {
  background: var(--swedish-yellow);
  border: 1px solid var(--swedish-yellow);
  border-radius: 0.35rem;
  color: var(--ntog-navy-dark);
  font-size: 0.77rem;
  font-weight: 700;
  padding: 0.42rem 0.7rem;
}

.btn-download:hover,
.btn-citation:hover {
  background: var(--swedish-yellow-dark);
  border-color: var(--swedish-yellow-dark);
  color: #1f2933;
}

.btn-download:focus,
.btn-citation:focus {
  box-shadow: 0 0 0 0.24rem rgba(0, 87, 184, 0.28);
}

.data-card .card-header,
.provenance-card .card-header {
  background: #fff;
  border-bottom: 0;
  padding-bottom: 0;
}

.data-card .card-body,
.provenance-card .card-body {
  padding-top: 0.4rem;
}

.table {
  color: #334b5e;
  font-size: 0.82rem;
}

.table > thead {
  color: #64798a;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.table > :not(caption) > * > * {
  border-color: #edf1f3;
  padding: 0.65rem 0.45rem;
}

dl {
  margin-bottom: 1rem;
}

dt {
  color: #64798a;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

dd {
  color: var(--ntog-ink);
  margin-bottom: 0.7rem;
}

.methods-page {
  display: grid;
  gap: 1.2rem;
  margin: 0 auto;
  max-width: 1120px;
  padding: 3rem 1rem 4rem;
}

.methods-page h1 {
  color: var(--ntog-ink);
  letter-spacing: -0.03em;
  margin: 0;
}

.methods-page .lead {
  color: var(--ntog-muted);
  max-width: 780px;
}

.methods-page .card {
  padding: 1.35rem;
}

.app-footer {
  background: linear-gradient(
    135deg,
    var(--ntog-hero-mid) 0%,
    var(--ntog-hero-accent) 55%,
    var(--ntog-navy) 100%
  );
  color: #fff;
  font-size: 0.78rem;
  padding: 1.6rem 1rem;
  text-align: center;
}

.app-footer-inner {
  margin: 0 auto;
  max-width: 960px;
}

.app-footer p {
  margin: 0.55rem 0 0;
}

.footer-logo-link img {
  background: #fff;
  border-radius: 50%;
  display: inline-block;
  height: 56px;
  width: 56px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.app-footer a {
  color: #fff;
  text-decoration: none;
}

.app-footer a:hover {
  color: var(--swedish-yellow);
  text-decoration: underline;
}

.footer-research-note {
  color: #dce9f4;
}

@media (max-width: 1300px) {
  .hero-panel {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.6rem;
  }

  .hero-badge {
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .chart-card .card-header > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
  }
}

@media (max-width: 600px) {
  .brand-title {
    display: none;
  }

  .app-shell {
    padding-inline: 0.5rem;
  }

  .hero-panel {
    padding: 1.4rem;
  }

  .download-group {
    flex-wrap: wrap;
  }

  .app-footer {
    padding-inline: 1.25rem;
  }
}