:root {
  color-scheme: light;
  --paper: #f4f7f8;
  --ink: #172426;
  --muted: #637074;
  --line: #d6dfe2;
  --panel: #ffffff;
  --accent: #176b5f;
  --accent-soft: #e4f3ef;
  --signal: #7f4f24;
  --signal-soft: #f1e7d8;
  --event: #5b5f97;
  --water: #cde8f2;
  --plant: #d8ecd3;
  --path: #eee1c5;
  --shelter: #e5e1d9;
  --marker-human: #273b8f;
  --marker-object: #b22f2f;
  --marker-place: #176b5f;
}

* {
  box-sizing: border-box;
}

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

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0 26px;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.scenario-id,
.metric-label,
.entity-kind,
.entity-refs {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 3.25rem;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: 1rem;
  margin-bottom: 14px;
}

h3 {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.notice {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid #c58f52;
  background: #fff1db;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.summary-grid article,
.panel,
.entity-card,
.step-card {
  border: 1px solid var(--line);
  background: var(--panel);
}

.summary-grid article {
  padding: 18px;
}

.metric {
  display: block;
  color: var(--accent);
  font-size: 2.25rem;
  font-weight: 750;
  line-height: 1;
}

.panel {
  margin-top: 16px;
  padding: 18px;
}

.observer-summary {
  display: grid;
  gap: 14px;
  border-color: #c8d8d3;
  background: #f9fdfb;
}

.observer-summary p {
  max-width: 780px;
  line-height: 1.55;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.summary-list div {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.summary-list dt {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.summary-list dd {
  margin: 4px 0 0;
  font-weight: 700;
  line-height: 1.35;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin-bottom: 0;
}

.panel-note {
  color: var(--muted);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.entity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.world-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.map-panel {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(23, 107, 95, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(23, 107, 95, 0.05) 1px, transparent 1px),
    #fbfcfb;
  background-size: 28px 28px;
}

.map-zone,
.map-marker {
  position: absolute;
}

.map-zone {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 8px;
  border: 1px solid rgba(23, 36, 38, 0.18);
  background: rgba(255, 255, 255, 0.72);
  z-index: 1;
}

.map-zone.is-active {
  border-color: var(--event);
  box-shadow: inset 0 0 0 2px rgba(91, 95, 151, 0.28);
  z-index: 2;
}

.map-zone strong,
.map-zone span {
  overflow-wrap: anywhere;
}

.map-zone strong {
  font-size: 0.78rem;
  line-height: 1.15;
}

.map-zone span {
  color: var(--muted);
  font-size: 0.65rem;
  line-height: 1.2;
}

.map-zone-links {
  max-height: 2.45em;
  overflow: hidden;
}

.map-zone--water {
  background: var(--water);
}

.map-zone--plants {
  background: var(--plant);
}

.map-zone--trace {
  background: var(--path);
}

.map-zone--path,
.map-zone--path_crossing {
  background: var(--path);
}

.map-zone--shelter {
  background: var(--shelter);
}

.map-zone--ground_materials {
  background: #e5e2dc;
}

.map-zone--edge {
  background: #e9dde3;
}

.map-zone--dry_plants {
  background: #efe8c9;
}

.map-marker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 7px;
  min-width: 150px;
  max-width: 210px;
  padding: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 18px rgba(23, 36, 38, 0.12);
  transform: translate(-50%, -50%);
  z-index: 4;
}

.map-marker.is-active {
  border-color: var(--event);
  box-shadow:
    0 8px 18px rgba(23, 36, 38, 0.12),
    0 0 0 3px rgba(91, 95, 151, 0.24);
  z-index: 5;
}

.map-marker:focus {
  outline: 2px solid var(--event);
  outline-offset: 2px;
}

.map-marker-dot {
  grid-row: 1 / span 2;
  width: 14px;
  height: 14px;
  margin-top: 2px;
  background: var(--muted);
}

.map-marker--human .map-marker-dot {
  border-radius: 50%;
  background: var(--marker-human);
}

.map-marker--object .map-marker-dot {
  background: var(--marker-object);
  transform: rotate(45deg);
}

.map-marker--place .map-marker-dot {
  border-radius: 2px;
  background: var(--marker-place);
}

.map-marker-label {
  font-size: 0.78rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.map-marker-links {
  color: var(--muted);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

.map-footer {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.zone-links {
  display: grid;
  gap: 8px;
}

.zone-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.zone-link-list li {
  max-width: 100%;
  padding: 5px 7px;
  background: var(--signal-soft);
  color: var(--signal);
  font-size: 0.76rem;
  overflow-wrap: anywhere;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.78rem;
}

.legend-item::before {
  width: 10px;
  height: 10px;
  background: var(--line);
  content: "";
}

.legend-item--human::before {
  border-radius: 50%;
  background: var(--marker-human);
}

.legend-item--object::before {
  background: var(--marker-object);
  transform: rotate(45deg);
}

.legend-item--place::before {
  background: var(--marker-place);
}

.legend-item--zone::before {
  background: var(--water);
}

.entity-card {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 14px;
}

.entity-card.is-active {
  border-color: var(--event);
  background: #f6f5ff;
  box-shadow: inset 0 0 0 2px rgba(91, 95, 151, 0.18);
}

.world-card {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 360px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.world-card.is-active {
  border-color: var(--event);
  background: #fbfaff;
  box-shadow: inset 0 0 0 2px rgba(91, 95, 151, 0.16);
}

.world-card-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.world-card-heading strong {
  font-size: 1.05rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 5px;
}

.scope-pill {
  max-width: 140px;
  padding: 4px 7px;
  background: var(--signal-soft);
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.world-card-meta,
.world-card-description,
.visual-role {
  overflow-wrap: anywhere;
}

.world-card-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.empty-note {
  color: var(--muted);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.world-card-description,
.visual-role {
  font-size: 0.9rem;
  line-height: 1.45;
}

.visual-role {
  padding-left: 10px;
  border-left: 3px solid var(--accent);
}

.tag-section {
  display: grid;
  gap: 8px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  max-width: 100%;
  padding: 5px 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.76rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.entity-card code,
.step-kind {
  width: fit-content;
  max-width: 100%;
  padding: 4px 6px;
  background: var(--accent-soft);
  color: var(--accent);
  overflow-wrap: anywhere;
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-card {
  padding: 14px;
  cursor: pointer;
}

.step-card:focus-visible {
  outline: 2px solid var(--event);
  outline-offset: 3px;
}

.step-card.is-selected {
  border-color: var(--event);
  background: #f6f5ff;
  box-shadow: inset 0 0 0 2px rgba(91, 95, 151, 0.18);
}

.step-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.step-index {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--event);
  color: white;
  font-weight: 750;
}

.entity-refs {
  margin-top: 10px;
  overflow-wrap: anywhere;
}

.technical-label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.selected-step {
  display: grid;
  gap: 10px;
}

.selected-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.selected-step-header code {
  max-width: 100%;
  padding: 4px 6px;
  background: var(--accent-soft);
  color: var(--accent);
  overflow-wrap: anywhere;
}

.selected-step-entities {
  color: var(--muted);
  font-size: 0.84rem;
  overflow-wrap: anywhere;
}

.selected-step-label {
  font-weight: 700;
}

.selected-step-explanation {
  max-width: 760px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.technical-details {
  margin-top: 4px;
}

.technical-details summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

pre {
  margin: 12px 0 0;
  max-height: 220px;
  overflow: auto;
  padding: 12px;
  background: #202827;
  color: #edf3ef;
  font-size: 0.82rem;
}

@media (max-width: 720px) {
  .topbar {
    align-items: start;
    flex-direction: column;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .summary-list {
    grid-template-columns: 1fr;
  }

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

  .map-panel {
    min-height: 520px;
  }

  .map-marker {
    min-width: 124px;
    max-width: 170px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .step-header {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .step-kind {
    grid-column: 2;
  }
}