/* Redspace Atlas — calibrated-instrument design system.
   One scale, three views: the 0–100 pressure scale appears as the header
   legend, the atlas axis, and each dossier gauge. Bands are the only color;
   everything else is warm ink on matte panels. */

:root {
  color-scheme: dark;

  --field: #141210;
  --panel: #1b1815;
  --panel-2: #232019;
  --well: #100e0c;

  --paper: #f2e9d8;
  --muted: #9e9077;
  --faint: #6e6350;
  --hairline: rgba(242, 233, 216, 0.13);
  --hairline-strong: rgba(242, 233, 216, 0.28);

  --red: #de4444;
  --amber: #bd8b25;
  --green: #6fa05c;
  --red-text: #f0a091;
  --amber-text: #e2bd6b;
  --green-text: #aec99a;
  --red-wash: rgba(222, 68, 68, 0.08);
  --amber-wash: rgba(189, 139, 37, 0.08);
  --green-wash: rgba(111, 160, 92, 0.08);

  --radius: 10px;
  --radius-s: 6px;

  --serif: Constantia, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Mono", Consolas, ui-monospace, "SF Mono", monospace;

  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--field);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.45;
}

body.is-auth-gated {
  overflow: hidden;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 15%, rgba(222, 68, 68, 0.18), transparent 28rem),
    rgba(20, 18, 16, 0.92);
  backdrop-filter: blur(14px);
}

.auth-gate[hidden] {
  display: none;
}

.auth-card {
  width: min(100%, 440px);
  padding: 30px;
  border: 1px solid var(--hairline-strong);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(35, 32, 25, 0.97), rgba(20, 18, 16, 0.99));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

.auth-card h2 {
  margin: 8px 0 12px;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 7vw, 2.7rem);
  font-weight: 500;
  line-height: 1;
}

.auth-copy,
.auth-user {
  color: var(--muted);
  line-height: 1.6;
}

.auth-status {
  margin: 20px 0;
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.05);
}

.auth-status.is-error {
  border-color: rgba(222, 68, 68, 0.46);
  color: #ffd8cd;
  background: rgba(222, 68, 68, 0.12);
}

.auth-primary,
.auth-secondary,
.auth-link {
  width: 100%;
  min-height: 44px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.auth-primary {
  border: 0;
  color: var(--field);
  background: var(--paper);
}

.auth-secondary {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--hairline);
}

.auth-link {
  border: 0;
  color: var(--paper);
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.auth-email {
  margin-top: 16px;
  color: var(--muted);
}

.auth-email summary {
  cursor: pointer;
  color: var(--paper);
  font-weight: 800;
}

.auth-email form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.auth-email label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.auth-email input {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: 2px;
}

/* ---------- shell ---------- */

.explorer-shell {
  display: flex;
  flex-direction: column;
  width: min(1840px, 100%);
  height: 100vh;
  margin: 0 auto;
  padding: 14px clamp(14px, 1.6vw, 28px) 16px;
}

/* ---------- masthead ---------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: flex-end;
  justify-content: space-between;
  padding: 4px 4px 14px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.02;
}

.lede {
  max-width: 560px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.masthead-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: flex-end;
}

.summary-kpis {
  display: flex;
  gap: 22px;
}

.kpi strong {
  display: block;
  font-family: var(--mono);
  font-size: 1.22rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.kpi > span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kpi .kpi-band-red { color: var(--red-text); }
.kpi .kpi-band-amber { color: var(--amber-text); }
.kpi .kpi-band-green { color: var(--green-text); }

/* the calibrated scale, header edition */

.scale-legend {
  min-width: 300px;
}

.scale-track {
  position: relative;
  display: flex;
  height: 10px;
  overflow: hidden;
  border-radius: 3px;
}

.scale-zone {
  height: 100%;
}

.scale-zone + .scale-zone {
  margin-left: 2px;
}

.scale-zone.green { background: var(--green); }
.scale-zone.amber { background: var(--amber); }
.scale-zone.red { background: var(--red); }

.scale-ticks {
  position: relative;
  height: 15px;
  margin-top: 3px;
}

.scale-ticks span {
  position: absolute;
  transform: translateX(-50%);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.scale-caption {
  margin: 2px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- intro strip + guide dialog ---------- */

.intro-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 10px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
}

.intro-line {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.intro-line strong {
  color: var(--paper);
  font-weight: 600;
}

.intro-line .section-label {
  margin-right: 10px;
}

.guide-open {
  flex-shrink: 0;
  padding: 7px 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--paper);
  font-size: 0.82rem;
}

.guide-open:hover {
  background: var(--panel-2);
}

.guide-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(82vh, 760px);
  padding: 0;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--paper);
}

.guide-dialog::backdrop {
  background: rgba(10, 9, 8, 0.66);
}

.guide-inner {
  padding: 26px 28px 24px;
}

.guide-inner h2 {
  margin: 4px 0 4px;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
}

.guide-inner .guide-close {
  float: right;
  min-width: 34px;
  min-height: 34px;
  margin: -4px -6px 0 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1;
}

.guide-inner .guide-close:hover {
  background: var(--panel-2);
  color: var(--paper);
}

.guide-section {
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
}

.guide-section:first-of-type {
  margin-top: 14px;
}

.guide-section h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
}

.guide-section p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.guide-scale {
  margin: 12px 0 2px;
}

.guide-roles {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.guide-roles span {
  display: flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.82rem;
}

.guide-roles strong {
  font-weight: 600;
}

.guide-roles em {
  flex-shrink: 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- section labels ---------- */

.section-label {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- three-panel grid ---------- */

.explorer-grid {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(248px, 300px) minmax(480px, 1fr) minmax(300px, 372px);
  gap: 12px;
  min-height: 0;
}

.story-panel,
.atlas-panel,
.dossier-panel {
  min-height: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--panel);
}

.story-panel,
.dossier-panel {
  padding: 16px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--faint) transparent;
}

.atlas-panel {
  display: flex;
  flex-direction: column;
  padding: 16px 16px 14px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--faint) transparent;
}

/* ---------- story rail ---------- */

.rail-block + .rail-block,
.grouped-fallback + .rail-block {
  margin-top: 22px;
}

.story-rail {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.story-card {
  position: relative;
  width: 100%;
  padding: 10px 12px 10px 34px;
  border: 1px solid transparent;
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--paper);
  text-align: left;
  transition: background 140ms ease, border-color 140ms ease;
}

.story-card:hover {
  background: var(--panel-2);
}

.story-card[aria-pressed="true"] {
  border-color: var(--hairline-strong);
  background: var(--panel-2);
}

.story-card i {
  position: absolute;
  top: 12px;
  left: 12px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-style: normal;
}

.story-card[aria-pressed="true"] i {
  color: var(--paper);
}

.story-card strong {
  display: flex;
  gap: 8px;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--serif);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.15;
}

.story-card strong b {
  flex-shrink: 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 500;
}

.story-card span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.38;
}

.story-card em {
  display: none;
  margin-top: 6px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.story-card[aria-pressed="true"] em {
  display: block;
}

/* ---------- facet strip: true band-mix bars ---------- */

.facet-strip {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}

.facet-row {
  display: block;
  width: 100%;
  padding: 4px 6px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: inherit;
  text-align: left;
}

.facet-row:hover {
  background: var(--panel-2);
}

.facet-row.is-active {
  background: var(--panel-2);
  box-shadow: inset 2px 0 0 var(--paper);
}

.facet-row-top {
  display: flex;
  gap: 8px;
  align-items: baseline;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.78rem;
}

.facet-row-top b {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
}

.facet-bar {
  display: flex;
  height: 5px;
  margin-top: 4px;
  overflow: hidden;
  border-radius: 2px;
}

.facet-bar span {
  height: 100%;
}

.facet-bar span + span {
  margin-left: 2px;
}

.facet-bar .seg-red { background: var(--red); }
.facet-bar .seg-amber { background: var(--amber); }
.facet-bar .seg-green { background: var(--green); }
.facet-bar .seg-rest { background: rgba(242, 233, 216, 0.08); }

/* ---------- grouped fallback (dense runs) ---------- */

.grouped-fallback {
  margin-top: 18px;
  padding: 12px;
  border: 1px dashed var(--hairline-strong);
  border-radius: var(--radius-s);
  color: var(--muted);
  font-size: 0.84rem;
}

.grouped-fallback button {
  margin: 8px 6px 0 0;
  padding: 5px 9px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: transparent;
  color: var(--paper);
  font-size: 0.78rem;
}

.grouped-fallback button:hover {
  background: var(--panel-2);
}

/* ---------- run diagnostics ---------- */

.summary-charts {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.summary-card h3 {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.summary-card p {
  margin: 0 0 6px;
  color: var(--faint);
  font-size: 0.7rem;
  line-height: 1.35;
}

.summary-card svg {
  display: block;
  width: 100%;
  height: auto;
}

.summary-label {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.summary-value {
  fill: var(--paper);
  font-family: var(--mono);
  font-size: 0.64rem;
}

/* ---------- atlas controls ---------- */

.control-bar {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(150px, 0.5fr) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}

.search-box,
.select-box,
.band-box {
  display: grid;
  gap: 5px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
  background: var(--well);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.88rem;
  letter-spacing: normal;
  text-transform: none;
}

input::placeholder {
  color: var(--faint);
}

.band-controls {
  display: inline-flex;
  gap: 6px;
}

.band-pill {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.band-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--faint);
  opacity: 0.45;
}

.band-pill[aria-pressed="true"] {
  border-color: var(--hairline-strong);
  color: var(--paper);
}

.band-pill[aria-pressed="true"]::before {
  opacity: 1;
}

.band-pill[data-band="RED"][aria-pressed="true"]::before { background: var(--red); }
.band-pill[data-band="AMBER"][aria-pressed="true"]::before { background: var(--amber); }
.band-pill[data-band="GREEN"][aria-pressed="true"]::before { background: var(--green); }

.gate-legend-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.75;
}

.gate-ring-glyph {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.2px dotted var(--paper);
  display: inline-block;
}

.atlas-heading {
  display: flex;
  gap: 16px;
  align-items: start;
  justify-content: space-between;
}

.hint {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.hint strong {
  color: var(--ink);
  font-weight: 600;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}

.legend-chip {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot.red { background: var(--red); }
.legend-dot.amber { background: var(--amber); }
.legend-dot.green { background: var(--green); }

/* ---------- search results ---------- */

.search-results {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.search-results:not(:empty) {
  margin-top: 10px;
}

.result-count {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-chip {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  padding: 5px 10px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: transparent;
  color: var(--paper);
  font-size: 0.8rem;
}

.result-chip:hover {
  background: var(--panel-2);
}

.result-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.result-chip.red::before { background: var(--red); }
.result-chip.amber::before { background: var(--amber); }
.result-chip.green::before { background: var(--green); }

/* ---------- facet focus banner ---------- */

.facet-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin-top: 10px;
  padding: 9px 12px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-s);
  background: var(--panel-2);
}

.facet-focus[hidden] {
  display: none;
}

.focus-copy {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: baseline;
  min-width: 0;
}

.focus-copy .section-label {
  letter-spacing: 0.12em;
}

.focus-copy strong {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
}

.focus-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.alternative-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.alternative-row .section-label {
  margin-right: 2px;
}

.alternative-chip {
  display: inline-flex;
  gap: 7px;
  align-items: baseline;
  padding: 4px 9px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: var(--panel);
  color: var(--paper);
}

.alternative-chip:hover {
  border-color: var(--hairline-strong);
}

.alternative-chip strong {
  font-size: 0.8rem;
  font-weight: 600;
}

.alternative-chip span {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.alternative-chip.green span { color: var(--green-text); }
.alternative-chip.amber span { color: var(--amber-text); }
.alternative-chip.red span { color: var(--red-text); }

.alternative-empty {
  color: var(--faint);
  font-size: 0.78rem;
}

.clear-focus {
  flex-shrink: 0;
  margin-left: auto;
  padding: 5px 11px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.clear-focus:hover {
  background: var(--panel);
  color: var(--paper);
}

/* ---------- atlas stage ---------- */

.label-tier-hooks {
  display: none;
}

.atlas-stage {
  position: relative;
  flex: 0 0 auto;
  min-height: 460px;
  margin-top: 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
  background: var(--well);
}

.atlas-svg {
  display: block;
  width: 100%;
}

.empty-state {
  position: absolute;
  inset: 45% auto auto 50%;
  max-width: 340px;
  transform: translate(-50%, -50%);
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.atlas-tooltip {
  position: absolute;
  z-index: 3;
  max-width: 250px;
  padding: 9px 11px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-s);
  background: var(--panel-2);
  pointer-events: none;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.45);
}

.atlas-tooltip[hidden] {
  display: none;
}

.atlas-tooltip strong {
  display: block;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
}

.atlas-tooltip .tip-band {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.atlas-tooltip .tip-band.red { color: var(--red-text); }
.atlas-tooltip .tip-band.amber { color: var(--amber-text); }
.atlas-tooltip .tip-band.green { color: var(--green-text); }

.atlas-tooltip dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  margin: 6px 0 0;
}

.atlas-tooltip dt {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.atlas-tooltip dd {
  margin: 0;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.7rem;
  text-align: right;
}

.atlas-tooltip .tip-cta {
  display: block;
  margin-top: 7px;
  color: var(--faint);
  font-size: 0.68rem;
}

/* atlas svg internals */

.lane-line {
  stroke: rgba(242, 233, 216, 0.055);
}

.lane-label {
  fill: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lane-label.is-focus {
  fill: var(--paper);
}

.threshold-line {
  stroke: rgba(242, 233, 216, 0.18);
  stroke-dasharray: 3 5;
}

.score-guide {
  stroke: rgba(242, 233, 216, 0.05);
}

.score-tick {
  fill: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.node circle {
  cursor: pointer;
  fill-opacity: 0.82;
  stroke: rgba(20, 18, 16, 0.9);
  stroke-width: 1;
  transition: fill-opacity 160ms ease, opacity 160ms ease;
}

.node.band-red circle { fill: var(--red); }
.node.band-amber circle { fill: var(--amber); }
.node.band-green circle { fill: var(--green); }

.node:hover circle {
  fill-opacity: 1;
  stroke: var(--paper);
  stroke-width: 1.5;
}

.node.is-active circle {
  fill-opacity: 1;
  stroke: var(--paper);
  stroke-width: 2;
}

.node text {
  fill: rgba(242, 233, 216, 0.78);
  font-family: var(--mono);
  font-size: 0.66rem;
  paint-order: stroke;
  pointer-events: none;
  stroke: rgba(16, 14, 12, 0.85);
  stroke-linejoin: round;
  stroke-width: 3px;
  transition: opacity 160ms ease;
}

.node.is-active text {
  fill: var(--paper);
  font-weight: 600;
}

.node .secondary-label {
  opacity: 0.85;
}

.node.is-muted {
  opacity: 0.24;
}

.node.is-facet-muted {
  opacity: 0.18;
}

.node.is-facet-peer circle {
  stroke: rgba(242, 233, 216, 0.55);
  stroke-width: 1.4;
}

.node.is-safer-alternative circle {
  stroke: var(--paper);
  stroke-width: 1.6;
  stroke-dasharray: 2 2;
}

.node .gate-ring {
  fill: none;
  stroke: var(--paper);
  stroke-width: 1.3;
  stroke-dasharray: 1 1.6;
  opacity: 0.8;
  pointer-events: none;
}

.node.is-muted .gate-ring,
.node.is-facet-muted .gate-ring {
  opacity: 0.2;
}

/* ---------- dossier ---------- */

.dossier-content {
  margin-top: 12px;
}

.dossier-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.62rem;
  font-weight: 500;
  line-height: 1.05;
}

.dossier-note {
  margin: 8px 0 10px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge.red,
.badge.amber,
.badge.green {
  border: 0;
  color: #141210;
  font-weight: 600;
}

.badge.red { background: var(--red); }
.badge.amber { background: var(--amber); }
.badge.green { background: var(--green); }

.term-variants {
  margin: 0 0 14px;
}

.term-variants > .section-label {
  display: block;
  margin-bottom: 6px;
}

.variant-row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 3px 0;
  font-size: 0.86rem;
}

.variant-row .variant-lang {
  flex: none;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.variant-row .variant-text {
  color: var(--paper);
}

.variant-row[dir="rtl"] {
  text-align: right;
}

.variant-row[dir="rtl"] .variant-lang {
  order: 2;
}

.variant-row[dir="rtl"] .variant-text {
  order: 1;
  flex: 1;
}

/* dossier gauge: the calibrated scale, term edition */

.dossier-gauge {
  margin: 0 0 14px;
}

.dossier-gauge svg {
  display: block;
  width: 100%;
  height: auto;
}

.gauge-zone.green { fill: var(--green); opacity: 0.55; }
.gauge-zone.amber { fill: var(--amber); opacity: 0.55; }
.gauge-zone.red { fill: var(--red); opacity: 0.55; }

.gauge-tick {
  fill: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.gauge-bridge {
  stroke: var(--paper);
  stroke-width: 1.4;
}

.gauge-marker-initial {
  fill: none;
  stroke: var(--paper);
  stroke-width: 1.4;
}

.gauge-marker-final {
  fill: var(--paper);
  stroke: var(--field);
  stroke-width: 1.5;
}

.gauge-caption {
  margin: 6px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.5;
}

.gauge-caption b {
  color: var(--paper);
  font-weight: 600;
}

/* dossier metrics */

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0 0 4px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
}

.metric {
  padding: 9px 11px;
}

.metric + .metric {
  border-left: 1px solid var(--hairline);
}

.metric strong {
  display: block;
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 600;
}

.metric span {
  display: block;
  margin-top: 1px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lift-block {
  margin: 14px 0 16px;
}

.lift-block > .section-label {
  display: block;
  letter-spacing: 0.12em;
}

.lift-block .metric-help {
  margin: 6px 0 0;
}

.lift-table {
  display: grid;
  gap: 3px;
  margin: 8px 0 0;
}

.lift-row {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  gap: 10px;
  align-items: center;
}

.lift-row > span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.lift-row .lift-bar {
  position: relative;
  height: 5px;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(242, 233, 216, 0.08);
}

.lift-row .lift-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: var(--muted);
}

.lift-row > b {
  min-width: 52px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-align: right;
}

.lift-row.is-na > b,
.lift-row.is-na > span {
  color: var(--faint);
  opacity: 0.7;
}

.metric-help {
  margin: 8px 0 16px;
  color: var(--faint);
  font-size: 0.74rem;
  line-height: 1.45;
}

/* score chain */

.score-chain {
  margin: 0 0 16px;
}

.score-chain h3,
.framework-insights h3,
.dossier-content h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 600;
}

.score-chain-copy {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.score-chain ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.score-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 10px 2px 10px 12px;
  border-left: 2px solid var(--hairline-strong);
}

.score-step + .score-step {
  margin-top: 2px;
}

.score-step strong {
  display: inline;
  font-size: 0.85rem;
  font-weight: 600;
}

.score-step > div > span {
  margin-left: 8px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.score-step p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.42;
}

.score-evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.score-evidence span {
  padding: 2px 7px;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.score-step em {
  font-style: normal;
  text-align: right;
}

.score-step em small {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.score-step em strong {
  display: block;
  font-family: var(--mono);
  font-size: 0.88rem;
}

.score-step em span {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.score-step em .delta-positive {
  color: var(--red-text);
}

/* framework insights */

.framework-insights {
  margin: 0 0 16px;
}

.framework-guide {
  margin: 0 0 8px;
  color: var(--faint);
  font-size: 0.74rem;
  line-height: 1.45;
}

.lens-section,
.coding-matrix {
  margin-top: 6px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-s);
}

.lens-section[open],
.coding-matrix[open] {
  border-color: var(--hairline-strong);
}

.lens-section summary,
.coding-matrix summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16px;
  grid-template-areas:
    "title icon"
    "badge icon";
  gap: 10px;
  row-gap: 2px;
  align-items: center;
  padding: 9px 11px;
  cursor: pointer;
  list-style: none;
}

.lens-section summary:hover,
.coding-matrix summary:hover {
  background: var(--panel-2);
}

.lens-section summary::-webkit-details-marker,
.coding-matrix summary::-webkit-details-marker {
  display: none;
}

.lens-section summary::before,
.coding-matrix summary::before {
  content: "+";
  grid-area: icon;
  align-self: center;
  justify-self: end;
  color: var(--faint);
  font-family: var(--mono);
  font-weight: 500;
}

.lens-section[open] summary::before,
.coding-matrix[open] summary::before {
  content: "\2212";
}

.lens-section summary span,
.coding-matrix summary span {
  grid-area: title;
  min-width: 0;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.lens-section summary strong,
.coding-matrix summary strong {
  grid-area: badge;
  justify-self: start;
  max-width: 100%;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.lens-role {
  margin: 2px 11px 8px;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.4;
}

.lens-role span {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  border: 1px solid var(--hairline-strong);
  border-radius: 3px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lens-section .insight-guide {
  margin: 0;
  padding: 0 11px 8px;
  color: var(--faint);
  font-size: 0.74rem;
  line-height: 1.45;
}

.lens-section .insight-card {
  margin: 0 11px;
}

.insight-card {
  padding: 9px 0 10px;
  border-top: 1px solid var(--hairline);
}

.insight-card span {
  display: block;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.insight-card p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.insight-card .read-more {
  display: inline-block;
  margin-top: 5px;
  padding: 0;
  border: none;
  background: none;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: var(--hairline-strong);
  text-underline-offset: 2px;
  cursor: pointer;
}

.insight-card .read-more:hover,
.insight-card .read-more:focus-visible {
  text-decoration-color: var(--paper);
}

/* coding matrix */

.coding-matrix {
  margin: 0 0 16px;
}

.framework-list {
  display: grid;
  gap: 0;
  padding: 2px 11px 10px;
}

.framework-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  padding: 7px 0;
  border-top: 1px solid var(--hairline);
}

.framework-item:first-child {
  border-top: 0;
}

.framework-item span {
  color: var(--muted);
  font-size: 0.78rem;
}

.framework-item strong {
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-align: right;
  text-transform: uppercase;
}

.framework-item em {
  grid-column: 1 / -1;
  color: var(--faint);
  font-size: 0.72rem;
  font-style: normal;
  line-height: 1.4;
}

/* operational flags */

.gap-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.gap-chip {
  padding: 5px 9px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  color: var(--muted);
  font-size: 0.76rem;
}

.rule-chip {
  display: block;
  max-width: 100%;
}

.rule-chip strong,
.rule-chip em,
.rule-chip small {
  display: block;
}

.rule-chip strong {
  color: var(--paper);
  font-size: 0.8rem;
  font-weight: 600;
}

.rule-chip em {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.74rem;
  font-style: normal;
  line-height: 1.4;
}

.rule-chip small {
  margin-top: 5px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- responsive ---------- */

@media (max-width: 1280px) {
  .explorer-shell {
    height: auto;
  }

  .explorer-grid {
    grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  }

  .story-panel,
  .atlas-panel,
  .dossier-panel {
    overflow: visible;
  }

  .dossier-panel {
    grid-column: 1 / -1;
  }

  .atlas-stage {
    flex: none;
  }
}

@media (max-width: 860px) {
  .explorer-grid {
    grid-template-columns: 1fr;
  }

  .story-panel,
  .atlas-panel,
  .dossier-panel {
    min-width: 0;
  }

  /* Wide instrument scrolls sideways inside its own frame on small screens. */
  .atlas-stage {
    min-height: 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--faint) transparent;
  }

  .atlas-svg {
    width: auto;
  }

  .masthead {
    align-items: start;
  }

  .masthead-panel {
    align-items: start;
  }

  .control-bar {
    grid-template-columns: 1fr;
  }

  .atlas-heading {
    flex-direction: column;
  }

  .legend {
    justify-content: start;
  }

  .metric-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}