:root {
  --ink: #17232c;
  --muted: #5b6a74;
  --line: #d9e0e4;
  --surface: #ffffff;
  --surface-soft: #f3f6f7;
  --surface-warm: #f8f5ee;
  --psi-blue: #006b8f;
  --psi-deep: #0b3b52;
  --teal: #008a82;
  --amber: #d99614;
  --red: #c44e52;
  --purple: #7656a8;
  --shadow: 0 14px 36px rgba(20, 42, 55, 0.1);
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: #e9eef0;
  font-family: Arial, Helvetica, sans-serif;
}

body { overflow-x: hidden; }

button,
input,
select { font: inherit; }

a { color: inherit; }

.explorer-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 92% 3%, rgba(0, 138, 130, 0.09), transparent 28rem),
    var(--surface-soft);
}

.explorer-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 10px clamp(20px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 13px;
  color: inherit;
  text-decoration: none;
}

.psi-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.035em;
}

.brand-copy small { color: var(--muted); font-size: 12px; }

.explorer-header nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--psi-deep);
  font-size: 12px;
  font-weight: 700;
}

.explorer-header nav a {
  padding: 9px 2px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.explorer-header nav a:hover,
.explorer-header nav a:focus-visible {
  color: var(--psi-blue);
  border-bottom-color: var(--teal);
}

.psi-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--psi-blue), var(--teal));
}

.explorer-main {
  width: min(1500px, calc(100% - 40px));
  flex: 1;
  margin: 0 auto;
  padding: 40px 0 56px;
}

.explorer-intro { margin: 0 0 26px; }

.eyebrow {
  margin: 0 0 7px;
  color: var(--psi-blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.explorer-intro h1 {
  margin: 0;
  color: var(--psi-deep);
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
  letter-spacing: -0.035em;
}

.explorer-intro h1 em { font-weight: 800; }

.intro-copy {
  max-width: 790px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
}

.filter-card,
.sector-context,
.result-card,
.empty-state {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
}

.filter-card {
  padding: clamp(20px, 2.5vw, 32px);
  border-radius: 18px;
  border-top: 5px solid var(--psi-blue);
}

.primary-controls {
  display: grid;
  grid-template-columns: minmax(190px, 0.75fr) minmax(190px, 0.9fr) minmax(240px, 1.35fr);
  gap: 16px;
}

.control-group { min-width: 0; }

.control-group > label,
.view-mode-control > label {
  display: block;
  margin: 0 0 7px;
  color: var(--psi-deep);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.Select-control,
.dash-dropdown .Select-control {
  min-height: 44px;
  border-color: #b9c8cf;
  border-radius: 8px;
  box-shadow: none;
}

.Select-control:hover { border-color: var(--psi-blue); }

.is-focused:not(.is-open) > .Select-control {
  border-color: var(--psi-blue);
  box-shadow: 0 0 0 3px rgba(0, 107, 143, 0.16);
}

.Select-placeholder,
.Select--single > .Select-control .Select-value,
.Select-input { line-height: 42px; }

.Select--multi .Select-value {
  margin-top: 7px;
  color: var(--psi-deep);
  background: #eaf3f6;
  border-color: #b7d5df;
  border-radius: 999px;
}

.comparison-section {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.section-label-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 13px;
}

.section-label-row h2 {
  margin: 0;
  color: var(--psi-deep);
  font-size: 19px;
}

.section-label-row p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.count-badge,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--psi-deep);
  background: #eaf3f6;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.comparison-builder {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(240px, 1.2fr) max-content;
  gap: 14px;
  align-items: end;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:hover { transform: translateY(-1px); }

.button-primary {
  color: #fff;
  background: var(--psi-deep);
  border-color: var(--psi-deep);
}

.button-primary:hover,
.button-primary:focus-visible { background: var(--psi-blue); border-color: var(--psi-blue); }

.button-secondary {
  color: var(--psi-deep);
  background: #eef6f8;
  border-color: #a8c1cc;
}

.button-secondary:hover,
.button-secondary:focus-visible { background: #dfeff3; border-color: var(--psi-blue); }

.comparison-chips {
  min-height: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.comparison-chip {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 5px 4px 12px;
  border: 1px solid #b7d5df;
  border-radius: 999px;
  color: var(--psi-deep);
  background: #eaf3f6;
  font-size: 12px;
}

.comparison-chip button {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--psi-deep);
  background: transparent;
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
}

.comparison-chip button:hover,
.comparison-chip button:focus-visible { color: #fff; background: var(--psi-blue); }

.inline-message,
.state-notice {
  min-height: 18px;
  margin: 5px 0 0;
  color: var(--red);
  font-size: 12px;
}

.secondary-controls {
  display: grid;
  grid-template-columns: minmax(300px, 1.4fr) minmax(300px, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.view-mode-control > div {
  min-height: 44px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.view-mode-control label {
  min-height: 36px;
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  margin: 0 !important;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.view-mode-control input { width: 18px; height: 18px; accent-color: var(--teal); }
.view-mode-control small { display: block; color: var(--muted); font-size: 11px; line-height: 1.35; }

.filter-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 21px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.share-control {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--surface-warm);
}

.share-clipboard { color: var(--psi-blue); }
.share-link { color: var(--psi-deep); font-size: 12px; font-weight: 800; text-decoration: none; }
.share-link:hover { color: var(--psi-blue); text-decoration: underline; }

.sector-context {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: 24px;
  align-items: center;
  margin-top: 24px;
  padding: 22px 25px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 42, 55, 0.07);
}

.sector-context h2 { margin: 0; color: var(--psi-deep); font-size: 25px; }
.sector-context p { margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }

.provenance-note {
  padding: 13px 15px;
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  background: #fff7df;
}

.provenance-note p { color: var(--psi-deep); font-size: 12px; }

.badge-derived { color: #5b4300; background: #ffe8a8; }

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.results-grid.single-result { grid-template-columns: minmax(0, 1fr); }

.result-card {
  min-width: 0;
  overflow: hidden;
  border-radius: 16px;
  border-top: 5px solid var(--teal);
}

.result-card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px 7px;
}

.model-label {
  margin: 0 0 3px;
  color: var(--teal);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.result-card h2 { margin: 0; color: var(--psi-deep); font-size: 22px; }
.result-badges { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.result-graph { min-height: 500px; }

.scenario-details {
  margin: 5px 20px 18px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
}

.scenario-details summary {
  min-height: 30px;
  display: flex;
  align-items: center;
  color: var(--psi-deep);
  font-weight: 800;
  cursor: pointer;
}

.scenario-details div { margin-top: 10px; }
.scenario-details strong { color: var(--ink); }
.scenario-details p { margin: 4px 0 0; line-height: 1.45; }

.empty-state {
  margin-top: 24px;
  padding: 42px 24px;
  border-radius: 14px;
  color: var(--muted);
  font-size: 16px;
  text-align: center;
}

.explorer-shell > footer {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px clamp(20px, 4vw, 64px);
  color: #d9e7eb;
  background: var(--psi-deep);
  font-size: 12px;
}

.explorer-shell > footer a { color: #fff; font-weight: 800; }

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

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(0, 107, 143, 0.35);
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .primary-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .primary-controls .control-group:last-child { grid-column: 1 / -1; }
  .comparison-builder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .add-button { grid-column: 1 / -1; }
  .secondary-controls { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .explorer-header { align-items: flex-start; padding: 10px 16px; }
  .brand-copy small { display: none; }
  .explorer-header nav { gap: 8px; font-size: 11px; }
  .explorer-header nav a:first-child { display: none; }
  .explorer-main { width: min(100% - 24px, 1500px); padding: 28px 0 42px; }
  .explorer-intro h1 { font-size: 35px; }
  .intro-copy { font-size: 15px; }
  .filter-card { padding: 18px 14px; border-radius: 14px; }
  .primary-controls,
  .comparison-builder { grid-template-columns: 1fr; }
  .primary-controls .control-group:last-child,
  .add-button { grid-column: auto; }
  .filter-actions { align-items: stretch; flex-direction: column; }
  .filter-actions .button { width: 100%; }
  .share-control { width: 100%; justify-content: center; margin-left: 0; }
  .sector-context { grid-template-columns: 1fr; padding: 19px 17px; }
  .result-card-header { flex-direction: column; }
  .result-badges { justify-content: flex-start; }
  .explorer-shell > footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 440px) {
  .explorer-header nav a { display: none; }
  .brand-copy strong { font-size: 11px; }
  .comparison-chip { width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}