:root {
  --bg: #eef3f8;
  --surface: #ffffff;
  --surface-strong: #f8fafc;
  --ink: #172033;
  --muted: #657285;
  --line: #d8e1ea;
  --line-strong: #c0ccd8;
  --navy: #172033;
  --blue: #1667d9;
  --cyan: #0891b2;
  --green: #15845f;
  --amber: #b7791f;
  --red: #c2413f;
  --violet: #6d5bd0;
  --shadow: 0 18px 44px rgba(23, 32, 51, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #eef3f8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.dark {
  --bg: #111827;
  --surface: #172033;
  --surface-strong: #1f2937;
  --ink: #f8fafc;
  --muted: #a8b3c2;
  --line: #334155;
  --line-strong: #475569;
  --navy: #0f172a;
  background: #111827;
}

button,
input,
select {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
  width: min(1440px, calc(100% - 32px));
  margin: 12px auto 0;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(216, 225, 234, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.07);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 170px;
  color: inherit;
  text-decoration: none;
}

.brand strong {
  font-size: 15px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

nav button {
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  box-shadow: none;
}

body.dark nav button,
body.dark nav a,
body.dark .topbar,
body.dark .controls,
body.dark .decision-card,
body.dark .status-card,
body.dark .panel,
body.dark .methods,
body.dark .graph-controls,
body.dark .graph-stage,
body.dark .info-panel,
body.dark .pipeline-panel article,
body.dark .stat-grid article,
body.dark .ops-strip article,
body.dark .stress-grid article,
body.dark .feature-grid article,
body.dark .decision-metrics article,
body.dark .pipeline-mini article,
body.dark .metric-stack article,
body.dark .cost-breakdown article,
body.dark .method-grid article,
body.dark .plan-item,
body.dark .mini-item,
body.dark .message-list article {
  background: var(--surface);
  color: var(--ink);
}

nav a:hover {
  color: var(--blue);
  border-color: rgba(22, 103, 217, 0.36);
}

.topbar p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.topbar p strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

main {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}

.command-board {
  display: grid;
  grid-template-columns: minmax(280px, 0.32fr) minmax(430px, 1fr) minmax(290px, 0.34fr);
  gap: 16px;
  align-items: stretch;
  padding: 18px 0 16px;
}

.controls p {
  margin: 10px 0 2px;
  color: var(--muted);
  line-height: 1.5;
}

.eyebrow,
.section-kicker {
  display: block;
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.08;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

button {
  min-height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  background: var(--blue);
  color: white;
  font-weight: 900;
  cursor: pointer;
  box-shadow: none;
}

button:hover {
  filter: brightness(0.96);
}

button.ghost {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

button.active {
  background: var(--navy);
  color: white;
}

.map-shell {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #dbe8f2;
  box-shadow: var(--shadow);
}

#map,
.map-fallback {
  position: absolute;
  inset: 0;
}

#map {
  z-index: 1;
}

.map-fallback {
  display: none;
  background:
    linear-gradient(180deg, rgba(242, 248, 252, 0.92), rgba(218, 232, 239, 0.9)),
    #d8e7ee;
}

.map-fallback.active {
  display: block;
  z-index: 2;
}

.fallback-pin {
  position: absolute;
  z-index: 6;
  width: 18px;
  height: 18px;
  border: 3px solid white;
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 10px 24px rgba(23, 32, 51, 0.22);
  transform: translate(-50%, -50%);
}

.fallback-pin.hub {
  background: var(--blue);
}

.fallback-route {
  position: absolute;
  z-index: 5;
  height: 4px;
  border-radius: 999px;
  background: rgba(22, 103, 217, 0.55);
  transform-origin: left center;
}

.fallback-route.selected {
  z-index: 6;
  height: 6px;
  background: rgba(21, 132, 95, 0.86);
}

.fallback-basemap {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.fallback-basemap text {
  fill: rgba(61, 76, 96, 0.62);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.land {
  fill: #d7e7dc;
  stroke: #adc8b5;
  stroke-width: 1.4;
}

.water-line {
  fill: none;
  stroke: rgba(75, 128, 150, 0.22);
  stroke-width: 1;
}

.road-major {
  fill: none;
  stroke: rgba(68, 111, 151, 0.45);
  stroke-width: 3.2;
  stroke-linecap: round;
}

.road-minor {
  fill: none;
  stroke: rgba(108, 132, 150, 0.28);
  stroke-width: 1.4;
  stroke-linecap: round;
}

.map-area {
  fill: rgba(255, 255, 255, 0.22);
  stroke: rgba(92, 122, 144, 0.18);
  stroke-width: 1;
}

.fallback-label {
  position: absolute;
  z-index: 7;
  max-width: 190px;
  padding: 7px 9px;
  border: 1px solid rgba(216, 225, 234, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
  box-shadow: 0 8px 18px rgba(23, 32, 51, 0.1);
  transform: translate(10px, -50%);
}

.fallback-label small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.map-title {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 8;
  padding: 9px 11px;
  border: 1px solid rgba(216, 225, 234, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.map-title small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-weight: 700;
}

.map-legend {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(216, 225, 234, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 999px;
}

.legend-dot.hub {
  background: var(--blue);
}

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

.legend-line {
  width: 22px;
  height: 4px;
  display: inline-block;
  border-radius: 999px;
  background: rgba(22, 103, 217, 0.6);
}

.map-overlay {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  pointer-events: none;
}

.map-overlay article {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.16);
  backdrop-filter: blur(14px);
}

.map-overlay strong {
  display: block;
  margin-top: 7px;
  font-size: 20px;
}

.leaflet-container {
  font-family: inherit;
}

.map-marker {
  width: 18px;
  height: 18px;
  border: 3px solid white;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(23, 32, 51, 0.26);
}

.map-marker.incident {
  background: var(--red);
}

.map-marker.hub {
  background: var(--blue);
}

.leaflet-popup-content {
  margin: 10px 12px;
  color: var(--ink);
  font-size: 13px;
}

.leaflet-popup-content strong {
  display: block;
  margin-bottom: 3px;
}

.map-overlay span,
.stat-grid span,
.ops-strip span,
.stress-grid span,
.feature-grid span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-grid,
.ops-strip,
.stress-grid,
.feature-grid,
.field-grid {
  display: grid;
  gap: 12px;
}

.stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-grid article,
.ops-strip article,
.stress-grid article,
.feature-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
}

.stat-grid strong,
.stress-grid strong,
.feature-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.ops-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.ops-strip article {
  background: var(--surface-strong);
  box-shadow: none;
}

.ops-strip strong {
  display: block;
  margin-top: 8px;
  font-size: 16px;
}

.workspace {
  margin-top: 16px;
}

.controls,
.decision-card,
.status-card,
.panel,
.methods {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.06);
}

.controls {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.decision-card {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
}

.decision-card h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.decision-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.decision-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.decision-metrics article {
  min-height: 94px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.decision-metrics span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.decision-metrics strong {
  display: block;
  margin-top: 7px;
  font-size: 24px;
}

.pipeline-mini {
  display: grid;
  gap: 8px;
}

.pipeline-mini article {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.pipeline-mini span,
.pipeline-panel span {
  display: block;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pipeline-mini strong {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.35;
}

.controls h2,
.methods h2,
.panel-head h2 {
  margin: 0;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

input,
select {
  width: 100%;
  min-height: 44px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 3px solid rgba(22, 103, 217, 0.16);
  border-color: var(--blue);
}

.status-card {
  display: grid;
  align-content: center;
  margin-top: 2px;
  padding: 20px;
}

.pipeline-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 2px;
}

.pipeline-panel article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.06);
}

.pipeline-panel .step-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: white;
  letter-spacing: 0;
}

.pipeline-panel strong {
  display: block;
  font-size: 16px;
}

.pipeline-panel p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.graph-lab {
  display: grid;
  grid-template-columns: minmax(260px, 0.28fr) minmax(420px, 1fr) minmax(280px, 0.34fr);
  gap: 16px;
  margin-top: 18px;
}

.graph-controls,
.graph-stage,
.info-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.06);
}

.graph-controls,
.info-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
}

.graph-controls h2,
.info-panel h2 {
  margin: 0;
  font-size: 20px;
}

.segmented,
.preset-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.preset-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented button,
.preset-row button {
  min-height: 38px;
  padding: 9px 10px;
  font-size: 12px;
}

input[type="range"] {
  accent-color: var(--blue);
  padding: 0;
}

.graph-stage {
  min-height: 520px;
  overflow: hidden;
}

.graph-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.graph-toolbar span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

#cyGraph {
  width: 100%;
  height: 470px;
  background:
    linear-gradient(90deg, rgba(23, 32, 51, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(23, 32, 51, 0.04) 1px, transparent 1px),
    #f8fafc;
  background-size: 38px 38px;
}

.info-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.metric-stack,
.cost-breakdown {
  display: grid;
  gap: 10px;
}

.metric-stack article,
.cost-breakdown article {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.metric-stack span,
.cost-breakdown span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-stack strong,
.cost-breakdown strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.status-card strong {
  display: block;
  font-size: 22px;
}

.status-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.ml-panel {
  margin-top: 18px;
}

.ml-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 1fr);
  gap: 16px;
  padding: 18px;
}

.risk-meter {
  display: grid;
  align-content: center;
  gap: 16px;
  min-height: 260px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.risk-ring {
  width: min(210px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  place-self: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, white 0 55%, transparent 56%),
    conic-gradient(var(--red) var(--risk-angle, 0deg), #dbe5ef 0deg);
}

.risk-ring strong {
  font-size: 46px;
  line-height: 1;
}

.risk-ring span {
  margin-top: 58px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.risk-meter p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  text-align: center;
}

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

.feature-grid article {
  min-height: 118px;
  box-shadow: none;
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}

.field-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 18px;
}

.mini-list,
.message-list {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
}

.mini-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.mini-item strong,
.message-list strong {
  display: block;
  font-size: 13px;
}

.mini-item p,
.message-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.task-list {
  margin: 0;
  padding: 16px 18px 16px 42px;
}

.task-list li {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
}

.task-list li::marker {
  color: var(--blue);
  font-weight: 900;
}

.message-list article {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.85fr);
  gap: 18px;
  margin-top: 18px;
}

.panel {
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  font-size: 16px;
}

.panel-head > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-align: right;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 13px;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody tr:hover {
  background: #f8fafc;
}

.plan-list {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
}

.plan-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.rank {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--navy);
  color: white;
  font-weight: 900;
}

.plan-item h3 {
  margin: 0;
  font-size: 13px;
}

.plan-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 8px;
  border-radius: 999px;
  background: #eaf3ff;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.badge.alert {
  background: #fff3df;
  color: #915c12;
}

.methods {
  margin-top: 18px;
  padding: 0;
}

.panel-head.clean {
  border-bottom: 0;
  padding-bottom: 0;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 14px 20px 20px;
}

.method-grid article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.method-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 1100px) {
  .topbar,
  .command-board,
  .graph-lab,
  .grid,
  .ml-layout {
    grid-template-columns: 1fr;
  }

  .topbar p {
    text-align: left;
  }

  .map-shell {
    min-height: 460px;
  }

  .stat-grid,
  .ops-strip,
  .field-grid,
  .method-grid,
  .pipeline-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar,
  main {
    width: min(100% - 20px, 1440px);
  }

  .topbar {
    top: 8px;
  }

  .map-shell {
    min-height: 390px;
  }

  .map-overlay,
  .decision-metrics {
    grid-template-columns: 1fr;
  }

  .stat-grid,
  .ops-strip,
  .stress-grid,
  .feature-grid,
  .field-grid,
  .method-grid,
  .pipeline-panel {
    grid-template-columns: 1fr;
  }

  .plan-item {
    grid-template-columns: auto 1fr;
  }

  .plan-item .badge {
    grid-column: 2;
    width: max-content;
  }

  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }
}