:root {
  color-scheme: dark;
  --bg: #080c12;
  --panel: #101823;
  --panel-2: #151f2d;
  --text: #eef5ff;
  --muted: #8ea0b8;
  --border: #263447;
  --green: #21d07a;
  --violet: #8d7aff;
  --rose: #ff8a9a;
  --amber: #ffcb66;
  --blue: #5aa7ff;
  --shadow: 0 24px 70px rgb(0 0 0 / 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgb(33 208 122 / 0.14), transparent 28%),
    radial-gradient(circle at 85% 30%, rgb(141 122 255 / 0.16), transparent 32%),
    var(--bg);
  color: var(--text);
}

button,
a {
  font: inherit;
}

.map-topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 78px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgb(8 12 18 / 0.82);
  backdrop-filter: blur(16px);
}

.map-topbar p,
.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.map-topbar h1 {
  margin: 3px 0 0;
  font-size: 22px;
}

.back-link,
.map-topbar button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.map-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  height: calc(100vh - 78px);
}

.map-stage {
  position: relative;
  min-width: 0;
  overflow: auto;
  padding: 28px;
}

.node-layer {
  position: relative;
  width: 1220px;
  min-height: 760px;
}

.connection-layer {
  position: absolute;
  inset: 0;
  width: 1220px;
  height: 760px;
  pointer-events: none;
  overflow: visible;
}

.connection {
  fill: none;
  stroke: rgb(142 160 184 / 0.34);
  stroke-width: 2;
}

.connection.active {
  stroke: var(--amber);
  stroke-width: 3;
  filter: drop-shadow(0 0 8px rgb(255 203 102 / 0.36));
}

.node-group {
  position: absolute;
  display: grid;
  gap: 10px;
  width: 255px;
}

.group-title {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.map-node {
  display: grid;
  gap: 3px;
  width: 100%;
  min-height: 58px;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--node-color) 58%, var(--border));
  border-radius: 8px;
  background: color-mix(in srgb, var(--node-color) 18%, var(--panel));
  color: var(--text);
  text-align: left;
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.03), var(--shadow);
  cursor: pointer;
}

.map-node:hover,
.map-node.active {
  border-color: var(--node-color);
  transform: translateY(-1px);
}

.map-node strong {
  font-size: 14px;
}

.map-node small {
  color: var(--muted);
  line-height: 1.25;
}

.detail-panel {
  display: grid;
  align-content: start;
  gap: 18px;
  overflow: auto;
  padding: 24px;
  border-left: 1px solid var(--border);
  background: rgb(16 24 35 / 0.9);
}

.detail-panel h2,
.detail-panel h3,
.detail-panel p {
  margin: 0;
}

.detail-panel h2 {
  font-size: 26px;
}

.detail-panel h3 {
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--amber);
  text-transform: uppercase;
}

.detail-panel p {
  color: var(--muted);
  line-height: 1.5;
}

.detail-panel ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-panel li {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .map-shell {
    grid-template-columns: 1fr;
    height: auto;
  }

  .detail-panel {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
}

/* Shared softer corner treatment. */
button,
.back-link,
.map-topbar button {
  border-radius: 12px;
}

.map-node,
.node-group,
.detail-panel li,
.detail-panel,
.legend-card,
.info-card {
  border-radius: 16px;
}