:root {
  color-scheme: dark;
  --bg: #0e1420;
  --panel: #161d2b;
  --panel-2: #131a27;
  --panel-3: #1c2638;
  --ink: #e8edf5;
  --muted: #93a1ba;
  --quiet: #68758d;
  --line: #26314a;
  --line-soft: #1d2740;
  --accent: #5b8bff;
  --accent-ink: #a9c0ff;
  --chip: #1b2640;
  --land: #202b3b;
  --land-hover: #29374a;
  --ocean: #0b111b;
  --crude: #e4b95d;
  --gas: #55b9d1;
  --mixed: #56c793;
  --inactive: #788399;
  --danger: #ff6a5c;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.28), 0 12px 30px rgba(0,0,0,.24);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-family: var(--sans);
}

* { box-sizing: border-box; }
html, body { min-width: 320px; min-height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 var(--sans); }
a { color: inherit; }
button, input, select { color: inherit; font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
[hidden] { display: none !important; }

.topbar {
  height: 54px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.product-mark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; min-width: 0; }
.app-logo {
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--crude), var(--gas));
  color: #fff;
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.product-copy { min-width: 0; line-height: 1.15; }
.product-copy strong { display: block; font-size: 15px; letter-spacing: .1px; }
.product-copy small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.dataset-state {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--crude) 11%, transparent);
  color: var(--muted);
  font-size: 11.5px;
  white-space: nowrap;
}
.state-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--crude); }
.topbar-link {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
}
.topbar-link:hover, .topbar-link:focus-visible { border-color: var(--accent); color: var(--ink); outline: none; }

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  min-height: calc(100vh - 82px);
}
.map-column {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 14px;
}
.map-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin: 0 2px 12px;
}
.eyebrow {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
h1 { margin-bottom: 0; font-size: clamp(19px, 2vw, 24px); line-height: 1.15; letter-spacing: -.025em; }
.lede { max-width: 610px; margin-bottom: 1px; color: var(--muted); font-size: 12.5px; }

.toolbar {
  min-height: 42px;
  padding: 5px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--panel);
}
.mode-switch { display: flex; gap: 2px; padding: 2px; border-radius: 7px; background: var(--panel-3); }
.mode-button {
  min-width: 82px;
  height: 28px;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.mode-button:hover, .mode-button:focus-visible { color: var(--ink); outline: none; }
.mode-button.active { background: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.flow-toggle {
  height: 30px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 650;
  white-space: nowrap;
}
.flow-toggle:hover, .flow-toggle:focus-visible { border-color: var(--accent); color: var(--ink); outline: none; }
.flow-toggle.active { border-color: color-mix(in srgb, var(--mixed) 65%, var(--line)); background: color-mix(in srgb, var(--mixed) 15%, var(--panel-2)); color: var(--ink); }
.search-control { width: min(340px, 40%); display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.search-control span { font-weight: 600; }
.search-control input {
  width: 100%;
  height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  outline: none;
}
.search-control input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent); }

.flow-controls {
  min-height: 44px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 10.5px;
}
.flow-control-intro { min-width: 190px; display: grid; margin-right: auto; line-height: 1.2; }
.flow-control-intro strong { color: var(--ink); font-size: 11.5px; }
.flow-control-intro span { margin-top: 2px; color: var(--quiet); font-size: 9.5px; }
.flow-controls label { display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.flow-controls select {
  height: 28px;
  max-width: 160px;
  padding: 3px 24px 3px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  outline: none;
}
.flow-controls select:focus { border-color: var(--accent); }

.map-frame {
  position: relative;
  flex: 1;
  min-height: 510px;
  height: min(70vh, 790px);
  overflow: hidden;
  background: var(--ocean);
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
  touch-action: none;
  user-select: none;
}
#map { width: 100%; height: 100%; display: block; cursor: grab; }
#map.dragging { cursor: grabbing; }
#worldGroup { transform-origin: 0 0; }
.ocean { fill: var(--ocean); stroke: color-mix(in srgb, var(--gas) 30%, transparent); stroke-width: 1.1; vector-effect: non-scaling-stroke; }
.graticule { fill: none; stroke: color-mix(in srgb, var(--muted) 14%, transparent); stroke-width: .65; vector-effect: non-scaling-stroke; pointer-events: none; }
.country { fill: var(--land); stroke: color-mix(in srgb, var(--muted) 30%, transparent); stroke-width: .58; vector-effect: non-scaling-stroke; transition: fill 120ms ease, opacity 120ms ease; }
.country:hover { fill: var(--land-hover); }
.country.flow-selectable { cursor: pointer; }
.country.flow-origin { fill: color-mix(in srgb, var(--crude) 13%, var(--land)); }
.country.flow-destination { fill: color-mix(in srgb, var(--gas) 14%, var(--land)); }
.country.flow-origin.flow-destination { fill: color-mix(in srgb, var(--mixed) 16%, var(--land)); }
.country.flow-focus { fill: color-mix(in srgb, var(--accent) 34%, var(--land)); stroke: var(--accent); stroke-width: 1.2; }
.flow-layer { pointer-events: auto; }
.flow-group { cursor: pointer; outline: none; }
.flow-hit { fill: none; stroke: transparent; stroke-width: 12; vector-effect: non-scaling-stroke; }
.flow-line { fill: none; stroke-linecap: round; opacity: .28; vector-effect: non-scaling-stroke; pointer-events: none; }
.flow-group.crude .flow-line { stroke: var(--crude); }
.flow-group.gas .flow-line { stroke: var(--gas); }
.flow-motion { fill: none; stroke-linecap: round; stroke-dasharray: 1 7; stroke-dashoffset: 0; opacity: .88; vector-effect: non-scaling-stroke; pointer-events: none; animation: flow-travel 2s linear infinite; }
.flow-group.crude .flow-motion { stroke: var(--crude); }
.flow-group.gas .flow-motion { stroke: var(--gas); }
.flow-group:hover .flow-line, .flow-group:focus-visible .flow-line, .flow-group.selected .flow-line { opacity: 1; }
.flow-group:hover .flow-motion, .flow-group:focus-visible .flow-motion, .flow-group.selected .flow-motion { opacity: 1; }
.flow-group.selected .flow-line { stroke: var(--accent); }
.flow-group.selected .flow-motion { stroke: var(--accent); }
@keyframes flow-travel { to { stroke-dashoffset: -8; } }
.pipeline-surface { pointer-events: none; }
.pipeline-surface canvas {
  display: block;
  width: 1200px;
  height: 620px;
  transform-origin: 0 0;
  will-change: transform;
}
.flows-active .pipeline-surface, .flows-active .cluster-layer, .flows-active .point-layer { opacity: .25; }
.asset { cursor: pointer; outline: none; }
.asset-symbol, .cluster-symbol { transform: scale(var(--inverse-zoom, 1)); transform-origin: 0 0; }
.asset .halo { fill: color-mix(in srgb, var(--ocean) 88%, transparent); stroke: color-mix(in srgb, var(--muted) 42%, transparent); stroke-width: 1; }
.asset .mark { stroke: var(--ocean); stroke-width: 1.3; }
.asset.crude .mark, .asset.ngl .mark { fill: var(--crude); }
.asset.gas .mark, .asset.lng .mark { fill: var(--gas); }
.asset.mixed .mark { fill: var(--mixed); }
.asset.inactive .mark { fill: var(--inactive); }
.asset.type-stream .mark { fill: var(--ocean); stroke: var(--crude); stroke-width: 1.8; }
.asset:hover .halo, .asset:focus-visible .halo, .asset.selected .halo { stroke: var(--accent); stroke-width: 2; fill: var(--panel); }
.asset-label {
  display: none;
  fill: var(--ink);
  stroke: var(--ocean);
  stroke-width: 3px;
  paint-order: stroke;
  font: 600 11px/1 var(--sans);
  pointer-events: none;
}
.asset:hover .asset-label, .asset:focus-visible .asset-label, .asset.selected .asset-label { display: block; }
.cluster { cursor: pointer; outline: none; }
.cluster .cluster-halo { fill: var(--panel); stroke: var(--mixed); stroke-width: 1.5; }
.cluster.crude .cluster-halo { stroke: var(--crude); }
.cluster.gas .cluster-halo { stroke: var(--gas); }
.cluster:hover .cluster-halo, .cluster:focus-visible .cluster-halo { fill: var(--panel-3); stroke: var(--accent); stroke-width: 2; }
.cluster .cluster-count { fill: var(--ink); font: 700 9px/1 var(--sans); text-anchor: middle; dominant-baseline: central; pointer-events: none; }

.map-status {
  position: absolute;
  left: 12px;
  top: 12px;
  display: flex;
  gap: 6px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  color: var(--muted);
  font: 10.5px/1.2 var(--mono);
  pointer-events: none;
}
.map-status span + span::before { content: "·"; margin-right: 6px; }
.zoom-controls { position: absolute; right: 12px; top: 12px; display: grid; overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: color-mix(in srgb, var(--panel) 92%, transparent); box-shadow: var(--shadow); }
.zoom-controls button { width: 32px; height: 30px; border: 0; border-bottom: 1px solid var(--line); background: transparent; font-weight: 650; }
.zoom-controls button:last-child { border-bottom: 0; }
.zoom-controls button:hover, .zoom-controls button:focus-visible { background: var(--panel-3); color: var(--accent-ink); outline: none; }
.legend {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  max-width: calc(100% - 24px);
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  color: var(--muted);
  font-size: 10.5px;
}
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend-mark { width: 8px; height: 8px; display: inline-block; background: var(--mixed); }
.legend-mark.field { border-radius: 50%; }
.legend-mark.refinery { background: var(--crude); }
.legend-mark.terminal { background: var(--gas); transform: rotate(45deg); }
.legend-mark.stream { background: transparent; border: 1px solid var(--crude); transform: rotate(45deg); }
.legend-mark.cluster { width: 11px; height: 11px; border: 1px solid var(--mixed); border-radius: 50%; background: var(--panel); }
.legend-line { width: 17px; height: 2px; display: inline-block; border-radius: 2px; }
.legend-line.crude { background: var(--crude); }
.legend-line.gas { background: var(--gas); }
.legend-line.flow { height: 1px; background: var(--mixed); }
.map-error { position: absolute; inset: 0; display: grid; place-content: center; gap: 5px; padding: 24px; background: color-mix(in srgb, var(--ocean) 94%, transparent); text-align: center; }
.map-error strong { font-size: 15px; }
.map-error span { color: var(--muted); font-size: 12px; }

.layer-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 8px 2px; color: var(--muted); font-size: 11.5px; }
.layer-strip label { display: inline-flex; align-items: center; gap: 6px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); cursor: pointer; }
.layer-strip label:hover { border-color: var(--accent); color: var(--ink); }
.layer-strip input { width: 13px; height: 13px; margin: 0; accent-color: var(--accent); }
.layer-label { margin-right: 2px; color: var(--quiet); font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

.inspector { min-width: 0; display: flex; flex-direction: column; background: var(--panel); border-left: 1px solid var(--line); }
.empty-inspector, .asset-inspector { padding: 20px; border-bottom: 1px solid var(--line); }
.asset-inspector { max-height: calc(100vh - 230px); overflow-y: auto; }
.empty-inspector { min-height: 315px; }
.empty-icon { width: 42px; height: 42px; display: grid; place-items: center; margin: 34px 0 14px; border-radius: 12px; background: var(--chip); color: var(--accent-ink); font-size: 22px; }
.inspector h2 { margin-bottom: 7px; font-size: 17px; letter-spacing: -.015em; }
.empty-inspector > p:not(.eyebrow), .asset-summary, .coverage-card > p { color: var(--muted); font-size: 12.5px; }
.instruction-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 20px; color: var(--muted); font-size: 11px; }
.instruction-grid span { display: flex; align-items: center; gap: 6px; }
kbd { min-width: 38px; padding: 3px 6px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel-2); color: var(--ink); font: 10px/1.2 var(--mono); text-align: center; box-shadow: 0 1px 0 var(--line); }
.inspector-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
#closeInspector { width: 28px; height: 28px; flex: none; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); color: var(--muted); font-size: 18px; line-height: 1; }
#closeInspector:hover, #closeInspector:focus-visible { border-color: var(--accent); color: var(--ink); outline: none; }
.asset-summary { margin: 7px 0 16px; }
.refinery-imagery { margin: 12px 0 15px; }
.imagery-frame { position: relative; aspect-ratio: 1; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-3); }
.imagery-open { position: absolute; inset: 0; display: block; color: inherit; cursor: zoom-in; }
.imagery-open:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }
.imagery-frame img { width: 100%; height: 100%; display: block; object-fit: cover; transition: filter .16s ease; }
.imagery-open:hover img, .imagery-open:focus-visible img { filter: brightness(1.06); }
.imagery-badge, .imagery-state { position: absolute; left: 8px; padding: 4px 6px; border-radius: 4px; background: rgba(8,13,21,.78); color: #eef3fb; font: 600 9px/1.2 var(--mono); letter-spacing: .025em; }
.imagery-badge { z-index: 2; top: 8px; pointer-events: none; }
.imagery-modes { position: absolute; z-index: 3; top: 7px; right: 7px; display: flex; overflow: hidden; border: 1px solid rgba(255,255,255,.24); border-radius: 5px; background: rgba(8,13,21,.78); }
.imagery-modes button { min-height: 24px; padding: 0 7px; border: 0; border-left: 1px solid rgba(255,255,255,.16); background: transparent; color: #aebbd0; font: 600 8px/1 var(--mono); text-transform: uppercase; cursor: pointer; }
.imagery-modes button:first-child { border-left: 0; }
.imagery-modes button.active { background: rgba(96,145,255,.28); color: #fff; }
.imagery-state { z-index: 2; bottom: 8px; pointer-events: none; }
.imagery-frame.loaded .imagery-state { display: none; }
.imagery-frame.failed img, .imagery-frame.failed .imagery-target { display: none; }
.imagery-target { position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; border: 1px solid rgba(255,255,255,.86); border-radius: 50%; box-shadow: 0 0 0 1px rgba(8,13,21,.72); transform: translate(-50%,-50%); }
.imagery-target::before, .imagery-target::after { position: absolute; left: 50%; top: 50%; background: rgba(255,255,255,.9); box-shadow: 0 0 0 1px rgba(8,13,21,.45); content: ""; transform: translate(-50%,-50%); }
.imagery-target::before { width: 26px; height: 1px; }
.imagery-target::after { width: 1px; height: 26px; }
.imagery-open-hint { position: absolute; right: 8px; bottom: 8px; padding: 4px 6px; border-radius: 4px; background: rgba(8,13,21,.8); color: #eef3fb; font: 600 9px/1.2 var(--mono); opacity: 0; transform: translateY(2px); transition: opacity .16s ease, transform .16s ease; }
.imagery-open:hover .imagery-open-hint, .imagery-open:focus-visible .imagery-open-hint { opacity: 1; transform: none; }
.refinery-imagery figcaption { display: flex; justify-content: space-between; gap: 8px; margin-top: 6px; color: var(--quiet); font-size: 9.5px; }
.refinery-imagery figcaption a { flex: none; color: var(--accent-ink); text-decoration: none; }
.refinery-imagery figcaption a:hover, .refinery-imagery figcaption a:focus-visible { text-decoration: underline; text-underline-offset: 2px; }
.imagery-disclosure { margin: 7px 0 0; color: var(--quiet); font: 9px/1.45 var(--mono); }
.facts { display: grid; gap: 0; margin: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.facts div { display: grid; grid-template-columns: minmax(105px, .9fr) minmax(0, 1.2fr); gap: 10px; padding: 7px 9px; border-bottom: 1px solid var(--line-soft); background: var(--panel-2); }
.facts div:last-child { border-bottom: 0; }
.facts dt { color: var(--muted); font-size: 10.5px; font-weight: 650; text-transform: uppercase; letter-spacing: .04em; }
.facts dd { margin: 0; overflow-wrap: anywhere; font-size: 11.5px; }
.country-trade { margin-top: 4px; }
.country-trade-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 16px; }
.country-trade-summary > div { min-width: 0; padding: 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); }
.country-trade-summary span { display: block; color: var(--muted); font-size: 9.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.country-trade-summary strong { display: block; margin-top: 3px; color: var(--ink); font-size: 16px; line-height: 1.15; }
.country-trade-summary small { display: block; margin-top: 3px; color: var(--quiet); font-size: 9.5px; line-height: 1.25; }
.trade-table-section + .trade-table-section { margin-top: 18px; }
.trade-table-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 5px; }
.trade-table-heading h3 { margin: 0; color: var(--muted); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; }
.trade-table-heading span { color: var(--quiet); font-size: 9.5px; }
.trade-table-scroll { max-height: 210px; overflow-y: auto; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trade-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 10.5px; }
.trade-table th { position: sticky; top: 0; z-index: 1; padding: 5px 4px; background: var(--panel); color: var(--quiet); font-size: 9px; font-weight: 700; letter-spacing: .045em; text-align: left; text-transform: uppercase; }
.trade-table th:first-child, .trade-table td:first-child { width: 47%; }
.trade-table th:nth-child(2), .trade-table td:nth-child(2) { width: 23%; }
.trade-table th.numeric, .trade-table td.numeric { width: 30%; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.trade-table td { padding: 5px 4px; border-top: 1px solid var(--line-soft); color: var(--muted); vertical-align: middle; }
.trade-partner { max-width: 100%; padding: 0; overflow: hidden; border: 0; background: transparent; color: var(--ink); font-size: inherit; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
.trade-partner:hover, .trade-partner:focus-visible { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; outline: none; }
.trade-product { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.trade-product::before { width: 5px; height: 5px; flex: none; border-radius: 50%; background: var(--gas); content: ""; }
.trade-product.crude::before { background: var(--crude); }
.trade-table-empty { margin: 0; padding: 12px 4px; color: var(--quiet); font-size: 10.5px; }
.provenance { margin-top: 18px; }
.provenance h3 { margin-bottom: 7px; color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; }
.source-link { display: block; margin-top: 6px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); color: var(--accent-ink); font-size: 11px; text-decoration: none; }
.source-link:hover, .source-link:focus-visible { border-color: var(--accent); outline: none; }
.coverage-card { margin-top: auto; padding: 18px 20px; background: var(--panel-2); }
.coverage-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.coverage-heading strong { display: grid; color: var(--accent-ink); font-size: 24px; line-height: 1; text-align: right; }
.coverage-heading strong small { margin-top: 4px; color: var(--muted); font: 600 9.5px/1 var(--sans); }
.coverage-card a { color: var(--accent-ink); font-size: 12px; font-weight: 650; text-decoration: none; }
.coverage-card a:hover { text-decoration: underline; text-underline-offset: 3px; }

.page-footer { height: 28px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-top: 1px solid var(--line); background: var(--panel); color: var(--quiet); font-size: 10.5px; }

.source-page { min-height: 100vh; background: var(--bg); }
.source-page .topbar { position: sticky; top: 0; z-index: 2; }
.identity { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.identity a { text-decoration: none; }
.identity .brand { color: var(--ink); font-weight: 700; }
.source-main { width: min(980px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 70px; }
.source-main h1 { font-size: clamp(28px, 4vw, 42px); }
.source-intro { max-width: 760px; margin: 14px 0 34px; color: var(--muted); font-size: 14px; }
.source-register { display: grid; gap: 10px; }
.source-entry { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.source-entry h2 { margin: 0; font-size: 15px; }
.source-entry p { margin-bottom: 8px; color: var(--muted); font-size: 13px; }
.source-entry a, .source-note a { color: var(--accent-ink); font-size: 12px; font-weight: 650; }
.source-note { margin-top: 24px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.source-note h2 { font-size: 16px; }
.source-note ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.source-note li + li { margin-top: 7px; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .inspector { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 0; }
  .empty-inspector, .asset-inspector { border-right: 1px solid var(--line); border-bottom: 0; }
  .asset-inspector { max-height: none; overflow-y: visible; }
  .coverage-card { margin-top: 0; }
}

@media (max-width: 720px) {
  .topbar { height: 58px; padding-inline: 10px; }
  .dataset-state { display: none; }
  .topbar-link { padding-inline: 8px; }
  .map-column { padding: 10px; }
  .map-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .lede { font-size: 12px; }
  .toolbar { align-items: stretch; flex-direction: column; padding: 6px; }
  .mode-switch { width: 100%; }
  .mode-button { flex: 1; min-width: 0; }
  .search-control { width: 100%; }
  .flow-toggle { justify-content: center; }
  .flow-controls { align-items: stretch; flex-wrap: wrap; }
  .flow-control-intro { width: 100%; margin: 0 0 2px; }
  .flow-controls label { flex: 1 1 130px; justify-content: space-between; }
  .flow-controls select { min-width: 0; max-width: 100%; }
  .map-frame { min-height: 430px; height: 60vh; }
  .map-status { flex-direction: column; }
  .map-status span + span::before { content: none; }
  .legend { right: 50px; max-width: none; }
  .inspector { grid-template-columns: 1fr; }
  .empty-inspector, .asset-inspector { border-right: 0; border-bottom: 1px solid var(--line); }
  .page-footer { height: auto; min-height: 32px; align-items: flex-start; flex-direction: column; gap: 2px; padding-block: 6px; }
  .source-main { padding-top: 30px; }
  .source-entry { grid-template-columns: 1fr; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .flow-motion { animation: none !important; stroke-dasharray: 2 7; }
}