:root {
  --metro-bg: #0b1a28;
  --metro-ink: #16201d;
  --metro-muted: #5b665f;
  --metro-panel: rgba(249, 250, 248, 0.9);
  --metro-panel-solid: #f8faf7;
  --metro-surface: rgba(255, 255, 255, 0.62);
  --metro-surface-strong: #ffffff;
  --metro-border: rgba(20, 30, 27, 0.14);
  --metro-border-strong: rgba(20, 30, 27, 0.52);
  --metro-control: rgba(249, 250, 248, 0.92);
  --metro-control-hover: #ffffff;
  --metro-accent: #0a8f7a;
  --metro-accent-soft: rgba(10, 143, 122, 0.12);
  --metro-warning: #d88918;
  --metro-track: #cfd8d3;
  --metro-radius: 7px;
  --metro-radius-sm: 5px;
  --metro-radius-lg: 12px;
  --metro-shadow-sm: 0 4px 12px rgba(8, 14, 12, 0.1);
  --metro-shadow-md: 0 10px 26px rgba(8, 14, 12, 0.16);
  --metro-shadow-lg: 0 16px 40px rgba(8, 14, 12, 0.22);
  --metro-topbar-height: 52px;
  --metro-edge-x: 16px;
  --metro-edge-bottom: max(16px, env(safe-area-inset-bottom));
  --metro-toolbar-width: 412px;
  --metro-panel-height: clamp(224px, 30dvh, 292px);
  --metro-panel-gap: 12px;
  --metro-floating-bottom: calc(var(--metro-edge-bottom) + var(--metro-panel-height) + var(--metro-panel-gap));
  --metro-bearing: 0deg;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overscroll-behavior: none;
}

body.experience-3dmetro-body {
  overflow: hidden;
  background: var(--metro-bg);
  color: var(--metro-ink);
  font-family: var(--font-family), 'Noto Sans KR', sans-serif;
  letter-spacing: 0;
  touch-action: none;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--metro-panel-solid);
  color: var(--metro-ink);
  font-size: 13px;
  font-weight: 700;
}

.skip-link:focus {
  transform: none;
}

.experience-3dmetro,
.metro-stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
}

.experience-3dmetro {
  isolation: isolate;
}

.metro-stage {
  z-index: 1;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.metro-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(125% 105% at 50% 32%, transparent 64%, rgba(2, 7, 12, 0.4) 100%);
}

.metro-stage.is-orbit-mode {
  cursor: move;
}

.metro-stage.is-dragging {
  cursor: grabbing;
}

.metro-webgl {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.metro-label-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
  contain: layout paint;
}

.metro-station-label {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  max-width: 236px;
  height: 30px;
  align-items: center;
  gap: 8px;
  transform-origin: 50% 100%;
  padding: 0 12px 0 11px;
  border: 1px solid rgba(20, 30, 27, 0.16);
  border-radius: 9px;
  background: rgba(252, 253, 251, 0.96);
  box-shadow: 0 6px 16px rgba(6, 12, 10, 0.22);
  color: rgba(17, 25, 23, 0.92);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  will-change: transform, opacity;
}

.metro-station-label[hidden] {
  display: none;
}

.metro-station-label::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 12px;
  height: 12px;
  transform: translateX(-50%) rotate(45deg);
  border-right: 1px solid rgba(20, 30, 27, 0.13);
  border-bottom: 1px solid rgba(20, 30, 27, 0.13);
  background: rgba(252, 253, 251, 0.96);
}

.metro-station-label-dot {
  position: relative;
  z-index: 1;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border: 3px solid rgba(252, 253, 251, 0.98);
  border-radius: 999px;
  background: var(--route-color, var(--metro-accent));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--route-color, var(--metro-accent)) 42%, rgba(20, 30, 27, 0.22));
}

.metro-station-label-text {
  position: relative;
  z-index: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metro-vehicle-focus-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 42px;
  pointer-events: none;
  transform-origin: 50% 100%;
  will-change: transform;
}

.metro-vehicle-focus-marker[hidden] {
  display: none;
}

.metro-vehicle-focus-pulse,
.metro-vehicle-focus-pin {
  position: absolute;
  left: 50%;
  border-radius: 999px;
  transform: translateX(-50%);
}

.metro-vehicle-focus-pulse {
  bottom: 6px;
  width: 28px;
  height: 28px;
  border: 2px solid color-mix(in srgb, var(--route-color, var(--metro-accent)) 68%, white);
  opacity: 0.42;
  animation: metro-focus-pulse 1.35s ease-out infinite;
}

.metro-vehicle-focus-pin {
  bottom: 11px;
  width: 16px;
  height: 16px;
  border: 3px solid rgba(255, 255, 255, 0.94);
  background: var(--route-color, var(--metro-accent));
  box-shadow: 0 5px 14px rgba(5, 10, 9, 0.3);
}

.metro-vehicle-focus-pin::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -13px;
  width: 2px;
  height: 12px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--route-color, var(--metro-accent)) 72%, white);
  box-shadow: 0 2px 8px rgba(5, 10, 9, 0.22);
}

@keyframes metro-focus-pulse {
  0% {
    transform: translateX(-50%) scale(0.72);
    opacity: 0.54;
  }

  100% {
    transform: translateX(-50%) scale(1.22);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .metro-vehicle-focus-pulse {
    animation: none;
  }
}

.metro-loading,
.metro-hover,
.metro-topbar,
.metro-view-controls,
.metro-panel,
.metro-inspector,
.metro-tracker {
  position: fixed;
  z-index: 5;
}

.metro-loading {
  left: 50%;
  top: 50%;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transform: translate(-50%, -50%);
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(14, 20, 19, 0.78);
  color: #f5faf7;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: var(--metro-shadow-md);
  backdrop-filter: blur(12px);
}

.metro-loading[hidden] {
  display: none;
}

.metro-spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 2px solid rgba(245, 250, 247, 0.28);
  border-top-color: #f5faf7;
  border-radius: 50%;
  animation: metro-spin 0.72s linear infinite;
}

@keyframes metro-spin {
  to {
    transform: rotate(360deg);
  }
}

.metro-toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--metro-floating-bottom) + 12px);
  z-index: 40;
  max-width: min(340px, calc(100vw - 32px));
  transform: translate(-50%, 8px);
  padding: 9px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(14, 20, 19, 0.88);
  box-shadow: var(--metro-shadow-md);
  color: #f5faf7;
  font-size: 12.5px;
  font-weight: 700;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.metro-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.metro-toast[hidden] {
  display: none;
}

.metro-hover {
  max-width: min(280px, calc(100vw - 28px));
  transform: translate(14px, 14px);
  padding: 8px 10px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-panel-solid);
  box-shadow: 0 8px 22px rgba(8, 14, 12, 0.16);
  color: var(--metro-ink);
  font-size: 12px;
  font-weight: 700;
  pointer-events: none;
}

.metro-topbar {
  top: max(14px, env(safe-area-inset-top));
  left: var(--metro-edge-x);
  right: calc(var(--metro-edge-x) + var(--metro-toolbar-width) + var(--metro-panel-gap));
  display: grid;
  width: auto;
  min-height: var(--metro-topbar-height);
  grid-template-columns: 34px minmax(96px, auto) minmax(180px, 340px) minmax(168px, 1fr);
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-panel);
  box-shadow: var(--metro-shadow-md);
  backdrop-filter: blur(12px);
}

.metro-icon-button {
  position: relative;
  display: inline-flex;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-control);
  color: var(--metro-ink);
  cursor: pointer;
  text-decoration: none;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease, color 140ms ease;
}

.metro-icon-button:hover,
.metro-icon-button:focus-visible {
  border-color: var(--metro-border-strong);
  background: var(--metro-control-hover);
  color: var(--metro-accent);
}

.metro-icon-button:focus-visible {
  outline: 2px solid var(--metro-accent);
  outline-offset: 2px;
}

.metro-icon-button[aria-pressed="true"] {
  border-color: rgba(10, 143, 122, 0.48);
  background: var(--metro-accent-soft);
  color: #06715f;
}

.metro-icon-button:active {
  transform: translateY(1px);
}

.metro-icon-button .material-symbols-outlined {
  display: block;
  font-size: 21px;
  line-height: 1;
}

.metro-back {
  color: var(--metro-accent);
}

.metro-brand {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.metro-brand strong {
  color: var(--metro-ink);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.1;
}

.metro-brand span {
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 700;
}

.metro-search {
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  height: 34px;
  align-items: center;
  gap: 6px;
  padding: 0 7px 0 9px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: rgba(255, 255, 255, 0.74);
  color: var(--metro-muted);
  transition: border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.metro-search:focus-within {
  border-color: var(--metro-accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--metro-accent-soft);
}

.metro-search > .material-symbols-outlined {
  flex: 0 0 auto;
  font-size: 19px;
}

.metro-search input {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--metro-ink);
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

.metro-search input::placeholder {
  color: var(--metro-muted);
}

.metro-search-clear {
  display: inline-flex;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--metro-muted);
  cursor: pointer;
}

.metro-search-clear:hover,
.metro-search-clear:focus-visible {
  background: var(--metro-border);
  color: var(--metro-ink);
}

.metro-search-clear[hidden] {
  display: none;
}

.metro-search-clear .material-symbols-outlined {
  font-size: 16px;
}

.metro-search-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  display: grid;
  gap: 2px;
  max-height: min(380px, 60dvh);
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius-lg);
  background: var(--metro-panel-solid);
  box-shadow: var(--metro-shadow-lg);
  scrollbar-width: thin;
}

.metro-search-panel[hidden] {
  display: none;
}

.metro-search-item {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-radius: var(--metro-radius-sm);
  background: transparent;
  color: var(--metro-ink);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.metro-search-item:hover,
.metro-search-item.is-active {
  background: var(--metro-accent-soft);
}

.metro-search-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--route-color, var(--metro-accent));
}

.metro-search-item-main {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.metro-search-item-main strong {
  overflow: hidden;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-search-item-main strong mark {
  background: none;
  color: var(--metro-accent);
}

.metro-search-item-main span {
  overflow: hidden;
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-search-item-arrow {
  flex: 0 0 auto;
  color: var(--metro-muted);
  font-size: 16px;
}

.metro-search-empty {
  padding: 14px 10px;
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.metro-summary {
  display: flex;
  min-width: 0;
  justify-self: end;
  margin: 0;
  gap: 6px;
}

.metro-summary div {
  display: flex;
  min-width: 56px;
  height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 0 8px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: rgba(255, 255, 255, 0.7);
}

.metro-summary dt,
.metro-summary dd {
  margin: 0;
}

.metro-summary dt {
  color: var(--metro-muted);
  font-size: 10px;
  font-weight: 700;
}

.metro-summary dd {
  color: var(--metro-ink);
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  font-weight: 700;
}

.metro-view-controls {
  top: max(14px, env(safe-area-inset-top));
  right: var(--metro-edge-x);
  display: flex;
  gap: 8px;
  max-width: min(var(--metro-toolbar-width), calc(100vw - (var(--metro-edge-x) * 2)));
}

.metro-control-group {
  display: flex;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-control);
  box-shadow: var(--metro-shadow-sm);
}

.metro-control-group .metro-icon-button {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.metro-control-group .metro-icon-button + .metro-icon-button {
  border-left: 1px solid var(--metro-border);
}

.metro-control-group .metro-icon-button:hover,
.metro-control-group .metro-icon-button:focus-visible {
  background: var(--metro-accent-soft);
}

/* On desktop the "more" wrapper and toggle are inert — every button renders inline,
   exactly as if the wrapper didn't exist. Only on narrow viewports does it become a
   real popover (see the ≤980px block) so the toolbar collapses to a handful of
   primary actions instead of a horizontally-scrolling strip. */
.metro-more-popover-group {
  display: contents;
}

.metro-more-toggle {
  display: none;
}

/* Bearing compass */
.metro-compass .metro-compass-rose {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--metro-border-strong);
  background: radial-gradient(circle at 50% 42%, #ffffff 0%, #eef2ef 100%);
  transform: rotate(var(--metro-bearing, 0deg));
  transition: transform 120ms ease;
}

.metro-compass .metro-compass-needle {
  position: absolute;
  left: 50%;
  top: 2px;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 3.4px solid transparent;
  border-right: 3.4px solid transparent;
  border-bottom: 8px solid #d5484a;
}

.metro-compass .metro-compass-needle::after {
  content: "";
  position: absolute;
  left: -3.4px;
  top: 8px;
  width: 0;
  height: 0;
  border-left: 3.4px solid transparent;
  border-right: 3.4px solid transparent;
  border-top: 8px solid #7d8a84;
}

.metro-compass .metro-compass-n {
  position: absolute;
  left: 50%;
  top: -1px;
  transform: translateX(-50%);
  color: #d5484a;
  font-size: 7px;
  font-weight: 800;
  line-height: 1;
  opacity: 0;
}

.metro-compass:hover .metro-compass-rose {
  border-color: var(--metro-accent);
}

/* Help panel */
.metro-help {
  position: fixed;
  z-index: 6;
  top: calc(max(14px, env(safe-area-inset-top)) + 44px);
  right: 16px;
  display: grid;
  width: min(288px, calc(100vw - 32px));
  gap: 8px;
  padding: 12px 13px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius-lg);
  background: var(--metro-panel);
  box-shadow: var(--metro-shadow-lg);
  backdrop-filter: blur(14px);
}

.metro-help[hidden] {
  display: none;
}

.metro-help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metro-help-head strong {
  color: var(--metro-ink);
  font-size: 13px;
  font-weight: 800;
}

.metro-help-close {
  width: 26px;
  height: 26px;
  border-color: transparent;
  background: transparent;
}

.metro-help-close .material-symbols-outlined {
  font-size: 18px;
}

.metro-help-list {
  display: grid;
  margin: 0;
  gap: 5px;
}

.metro-help-list div {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}

.metro-help-list dt {
  margin: 0;
  color: var(--metro-accent);
  font-size: 11px;
  font-weight: 800;
}

.metro-help-list dd {
  margin: 0;
  color: var(--metro-muted);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.35;
}

.metro-panel {
  top: auto;
  left: var(--metro-edge-x);
  right: var(--metro-edge-x);
  bottom: var(--metro-edge-bottom);
  display: grid;
  width: auto;
  height: var(--metro-panel-height);
  max-height: var(--metro-panel-height);
  grid-template-columns: minmax(220px, 0.82fr) minmax(300px, 1.18fr) minmax(260px, 1fr);
  grid-template-rows: minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius-lg);
  background: linear-gradient(180deg, rgba(252, 253, 251, 0.94) 0%, var(--metro-panel) 100%);
  box-shadow: var(--metro-shadow-lg);
  backdrop-filter: blur(14px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

body.experience-3dmetro-body.is-panel-collapsed .metro-panel {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
}

.metro-panel-section {
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 8px;
  overflow: hidden;
  padding: 10px 12px;
  contain: layout paint;
}

.metro-panel-section + .metro-panel-section {
  border-left: 1px solid var(--metro-border);
}

.metro-section-head {
  display: flex;
  min-height: 28px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.metro-section-head h1,
.metro-section-head h2 {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  margin: 0;
  color: var(--metro-ink);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
}

.metro-section-icon {
  flex: 0 0 auto;
  color: var(--metro-accent);
  font-size: 16px;
}

.metro-section-head output {
  overflow: hidden;
  flex: 1 1 auto;
  min-width: 0;
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 700;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-route-list,
.metro-vehicle-list {
  display: grid;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  gap: 5px;
  overflow: auto;
  padding-right: 2px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.metro-route-list {
  align-content: start;
}

.metro-route-button {
  display: grid;
  grid-template-columns: 5px minmax(0, 1fr) auto;
  gap: 7px;
  align-items: center;
  width: 100%;
  min-width: 0;
  min-height: 58px;
  padding: 7px 8px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-surface);
  color: var(--metro-ink);
  cursor: pointer;
  text-align: left;
  transition: background 130ms ease, border-color 130ms ease, box-shadow 130ms ease, transform 130ms ease;
}

.metro-route-button:hover,
.metro-route-button:focus-visible {
  border-color: var(--route-color, var(--metro-accent));
  background: var(--metro-surface-strong);
  box-shadow: var(--metro-shadow-sm);
  transform: translateY(-1px);
}

.metro-route-button:focus-visible {
  outline: 2px solid var(--route-color, var(--metro-accent));
  outline-offset: 1px;
}

.metro-route-button.is-active {
  border-color: var(--route-color, var(--metro-accent));
  background: color-mix(in srgb, var(--route-color, var(--metro-accent)) 8%, #ffffff 92%);
  box-shadow: inset 3px 0 0 var(--route-color, var(--metro-accent));
}

.metro-route-swatch {
  width: 5px;
  height: 26px;
  border-radius: 999px;
  background: var(--route-color, var(--metro-accent));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--route-color, var(--metro-accent)) 40%, transparent);
}

.metro-route-main {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.metro-route-main strong {
  overflow: hidden;
  color: var(--metro-ink);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-route-main span,
.metro-route-meta {
  overflow: hidden;
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-route-span {
  display: flex;
  align-items: center;
  gap: 3px;
  overflow: hidden;
  color: var(--metro-muted);
  font-size: 10.5px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-route-span .material-symbols-outlined {
  flex: 0 0 auto;
  font-size: 12px;
}

.metro-route-meta {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

.metro-diagram-section {
  min-height: 0;
}

.metro-vehicle-section {
  grid-template-rows: auto 34px minmax(0, 1fr);
}

.metro-vehicle-section .metro-speed-control {
  grid-row: 2;
}

.metro-vehicle-section .metro-vehicle-list {
  grid-row: 3;
}

.metro-line-diagram {
  --diagram-stop-width: 68px;
  --station-count: 1;
  --diagram-width: calc(var(--station-count) * var(--diagram-stop-width));
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 0;
  height: 100%;
  align-items: center;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0;
  scrollbar-width: thin;
}

.metro-line-track {
  position: relative;
  flex: 0 0 auto;
  width: var(--diagram-width);
}

.metro-line-rail {
  position: absolute;
  left: calc(var(--diagram-stop-width) / 2);
  top: 20px;
  width: calc(var(--diagram-width) - var(--diagram-stop-width));
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--route-color, var(--metro-accent)) 78%, #ffffff 22%);
}

.metro-line-stops {
  position: relative;
  display: grid;
  grid-auto-columns: var(--diagram-stop-width);
  grid-auto-flow: column;
  width: var(--diagram-width);
  min-width: max-content;
  padding: 0 2px;
}

.metro-line-stop {
  position: relative;
  display: grid;
  width: var(--diagram-stop-width);
  min-height: 54px;
  align-content: start;
  justify-items: center;
  gap: 7px;
  padding: 11px 3px 0;
  border: 0;
  background: transparent;
  color: var(--metro-ink);
  cursor: pointer;
  font: inherit;
  text-align: center;
}

.metro-line-empty {
  display: grid;
  width: 100%;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--metro-border);
  border-radius: var(--metro-radius);
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 800;
}

.metro-line-stop-dot {
  position: relative;
  z-index: 1;
  width: 13px;
  height: 13px;
  border: 2.5px solid var(--route-color, var(--metro-accent));
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(249, 251, 247, 0.9);
  transition: transform 130ms ease, background 130ms ease;
}

.metro-line-stop:hover .metro-line-stop-dot,
.metro-line-stop:focus-visible .metro-line-stop-dot {
  background: var(--route-color, var(--metro-accent));
  transform: scale(1.28);
}

.metro-line-stop-label {
  display: block;
  width: 100%;
  overflow: hidden;
  color: var(--metro-muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-speed-control {
  display: grid;
  grid-template-columns: 34px minmax(84px, 1fr) 44px;
  gap: 7px;
  align-items: center;
  min-width: 0;
  height: 34px;
  min-height: 34px;
  padding: 0 8px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: rgba(255, 255, 255, 0.62);
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 800;
}

.metro-speed-control span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-speed-control input {
  min-width: 0;
  width: 100%;
  accent-color: var(--metro-accent);
}

.metro-speed-control output {
  color: var(--metro-ink);
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.metro-vehicle-row {
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr) minmax(48px, auto);
  gap: 8px;
  align-items: center;
  min-width: 0;
  min-height: 46px;
  padding: 6px 8px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-surface);
  color: var(--metro-ink);
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: background 130ms ease, border-color 130ms ease, box-shadow 130ms ease, transform 130ms ease;
}

.metro-vehicle-row:hover,
.metro-vehicle-row:focus-visible {
  border-color: var(--route-color, var(--metro-accent));
  background: var(--metro-surface-strong);
  box-shadow: var(--metro-shadow-sm);
  transform: translateY(-1px);
}

.metro-vehicle-row.is-tracked {
  border-color: var(--route-color, var(--metro-accent));
  background: color-mix(in srgb, var(--route-color, var(--metro-accent)) 9%, #ffffff 91%);
  box-shadow: inset 3px 0 0 var(--route-color, var(--metro-accent));
}

.metro-vehicle-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--route-color, var(--metro-accent));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--route-color, var(--metro-accent)) 22%, transparent);
}

.metro-vehicle-row.is-tracked .metro-vehicle-dot {
  animation: metro-pulse 1.4s ease-in-out infinite;
}

@keyframes metro-pulse {
  0%, 100% {
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--route-color, var(--metro-accent)) 30%, transparent);
  }
  50% {
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--route-color, var(--metro-accent)) 4%, transparent);
  }
}

.metro-vehicle-main {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.metro-vehicle-main strong,
.metro-vehicle-main span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-vehicle-main strong {
  color: var(--metro-ink);
  font-size: 12.5px;
  font-weight: 800;
  line-height: 1.22;
}

.metro-vehicle-main span,
.metro-vehicle-row output {
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

.metro-vehicle-row output {
  max-width: 64px;
  overflow: hidden;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10.5px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-inspector {
  left: var(--metro-edge-x);
  bottom: var(--metro-floating-bottom);
  display: grid;
  width: min(420px, calc(100vw - (var(--metro-edge-x) * 2)));
  max-width: calc(100vw - (var(--metro-edge-x) * 2));
  min-height: 74px;
  gap: 3px;
  padding: 10px 11px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-panel);
  box-shadow: var(--metro-shadow-md);
  backdrop-filter: blur(12px);
  transition: bottom 160ms ease;
}

body.experience-3dmetro-body:not(.has-route-selected) .metro-inspector {
  display: none;
}

body.experience-3dmetro-body.is-tracking .metro-inspector {
  display: none;
}

body.experience-3dmetro-body.is-panel-collapsed .metro-inspector {
  bottom: var(--metro-edge-bottom);
}

.metro-inspector span {
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 800;
}

.metro-inspector strong {
  color: var(--metro-ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
}

.metro-inspector p {
  margin: 0;
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}

.metro-tracker {
  left: var(--metro-edge-x);
  right: var(--metro-edge-x);
  bottom: var(--metro-floating-bottom);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, auto) 34px 34px;
  gap: 10px;
  align-items: center;
  min-height: 76px;
  padding: 10px 11px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: var(--metro-panel);
  box-shadow: var(--metro-shadow-md);
  backdrop-filter: blur(12px);
  transition: bottom 160ms ease;
}

.metro-tracker[hidden] {
  display: none;
}

.metro-tracker-follow[hidden] {
  display: none;
}

body.experience-3dmetro-body.is-panel-collapsed .metro-tracker {
  bottom: var(--metro-edge-bottom);
}

.metro-tracker-main {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.metro-tracker-main span {
  color: var(--metro-muted);
  font-size: 11px;
  font-weight: 800;
}

.metro-tracker-main strong {
  overflow: hidden;
  color: var(--metro-ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-tracker-main p {
  margin: 0;
  overflow: hidden;
  color: var(--metro-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-tracker-stats {
  display: flex;
  min-width: 0;
  margin: 0;
  gap: 8px;
  overflow-x: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

.metro-tracker-stats div {
  display: grid;
  min-width: 72px;
  gap: 2px;
  padding: 5px 7px;
  border: 1px solid var(--metro-border);
  border-radius: var(--metro-radius);
  background: rgba(255, 255, 255, 0.68);
}

.metro-tracker-stats dt,
.metro-tracker-stats dd {
  margin: 0;
}

.metro-tracker-stats dt {
  color: var(--metro-muted);
  font-size: 10px;
  font-weight: 800;
}

.metro-tracker-stats dd {
  overflow: hidden;
  max-width: 110px;
  color: var(--metro-ink);
  font-family: var(--font-family), 'Noto Sans KR', sans-serif;
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metro-tracker-stats div:last-child dd {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 1180px) and (min-width: 981px) {
  :root {
    --metro-panel-height: clamp(276px, 34dvh, 334px);
  }

  .metro-panel {
    grid-template-columns: minmax(220px, 0.78fr) minmax(0, 1.22fr);
    grid-template-rows: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .metro-panel > .metro-panel-section:first-child {
    grid-row: 1 / 3;
  }

  .metro-diagram-section {
    grid-column: 2;
    grid-row: 1;
  }

  .metro-vehicle-section {
    grid-column: 2;
    grid-row: 2;
    border-top: 1px solid var(--metro-border);
  }

  .metro-panel-section {
    padding: 9px 10px;
  }

  .metro-route-button {
    min-height: 52px;
  }

  .metro-line-stop {
    min-height: 48px;
  }

  .metro-tracker {
    grid-template-columns: minmax(180px, 1fr) minmax(190px, auto) 34px 34px;
  }
}

@media (max-width: 980px) {
  :root {
    --metro-edge-x: 10px;
    --metro-edge-bottom: max(10px, env(safe-area-inset-bottom));
    --metro-toolbar-width: calc(100vw - 20px);
    --metro-panel-height: min(360px, max(206px, calc(100dvh - 158px - var(--metro-edge-bottom))));
  }

  .metro-topbar {
    left: var(--metro-edge-x);
    right: var(--metro-edge-x);
    display: grid;
    width: auto;
    min-height: 0;
    grid-template-columns: 34px minmax(86px, 1fr) auto;
    padding: 8px;
  }

  .metro-back {
    grid-column: 1;
    grid-row: 1;
  }

  .metro-brand {
    grid-column: 2;
    grid-row: 1;
  }

  .metro-summary {
    grid-column: 3;
    grid-row: 1;
    align-self: center;
    justify-self: end;
  }

  .metro-search {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    min-width: 0;
  }

  .metro-summary div {
    min-width: 58px;
    height: 32px;
    padding: 0 7px;
  }

  .metro-summary dt {
    font-size: 10px;
  }

  .metro-summary dd {
    font-size: 13px;
  }

  /* Mobile toolbar: only the actions people reach for constantly (zoom, compass,
     fit, panel) stay on the primary bar, sized to fit in one row with no scrolling.
     Everything else (rotate, tilt, view-mode, share, help) moves into a "더 보기"
     popover — swapping a hidden-via-scroll strip for a discoverable, bounded menu.
     Note: .metro-view-controls stays `position: fixed` (inherited from the shared
     rule above) — that alone is a valid containing block for the popover below, and
     switching it to `relative` here would make its auto width stretch to fill the
     available inline space instead of shrinking to fit its (now much shorter) content. */
  .metro-view-controls {
    top: calc(max(14px, env(safe-area-inset-top)) + 96px);
    left: var(--metro-edge-x);
    right: var(--metro-edge-x);
    width: auto;
    max-width: none;
    align-items: flex-start;
    justify-content: flex-end;
  }

  .metro-view-controls .metro-control-group {
    display: flex;
    flex: 0 0 auto;
  }

  .metro-more-popover-group {
    display: none;
  }

  .metro-more-toggle {
    display: inline-flex;
  }

  .metro-view-controls.is-more-open .metro-more-popover-group {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    width: 156px;
    padding: 8px;
    border: 1px solid var(--metro-border);
    border-radius: var(--metro-radius-lg);
    background: var(--metro-panel);
    box-shadow: var(--metro-shadow-lg);
    backdrop-filter: blur(14px);
  }

  .metro-view-controls.is-more-open .metro-more-popover-group .metro-control-group {
    display: contents;
  }

  .metro-view-controls.is-more-open .metro-more-popover-group .metro-icon-button {
    width: 100%;
    border: 1px solid var(--metro-border);
    border-radius: var(--metro-radius-sm);
  }

  .metro-panel {
    top: auto;
    left: var(--metro-edge-x);
    right: var(--metro-edge-x);
    bottom: var(--metro-edge-bottom);
    width: auto;
    height: var(--metro-panel-height);
    max-height: var(--metro-panel-height);
    grid-template-columns: 1fr;
    grid-template-rows: minmax(76px, auto) minmax(82px, auto) minmax(0, 1fr);
    overflow-x: hidden;
    overflow-y: hidden;
    padding: 0;
    overscroll-behavior: contain;
    scrollbar-width: thin;
  }

  .metro-panel-section {
    min-width: 0;
    min-height: 0;
    padding: 9px 10px;
  }

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

  .metro-panel-section:first-child {
    grid-row: auto;
    min-height: 0;
  }

  .metro-panel-section:first-child .metro-route-list {
    display: flex;
    min-height: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 0 3px;
    scroll-snap-type: x proximity;
  }

  .metro-panel-section:first-child .metro-route-button {
    flex: 0 0 208px;
    min-height: 54px;
    scroll-snap-align: start;
  }

  .metro-diagram-section {
    grid-column: auto;
    grid-row: auto;
    min-height: 0;
  }

  .metro-line-diagram {
    min-height: 0;
  }

  .metro-vehicle-section {
    grid-column: auto;
    grid-row: auto;
    min-height: 0;
    grid-template-rows: auto 34px minmax(0, 1fr);
  }

  .metro-speed-control {
    grid-template-columns: 30px minmax(0, 1fr) 40px;
    overflow: hidden;
    padding-inline: 7px;
  }

  .metro-inspector {
    left: auto;
    right: var(--metro-edge-x);
    bottom: var(--metro-floating-bottom);
    width: min(330px, calc(100vw - 82px));
    min-height: 74px;
    padding: 10px 11px;
  }

  .metro-inspector strong {
    font-size: 14px;
  }

  .metro-inspector p {
    font-size: 12px;
  }

  .metro-tracker {
    left: var(--metro-edge-x);
    right: var(--metro-edge-x);
    bottom: var(--metro-floating-bottom);
    grid-template-columns: minmax(0, 1fr) 34px 34px;
    gap: 10px;
    min-height: 74px;
  }

  .metro-tracker-stats {
    grid-column: 1 / -1;
    order: 3;
    overflow-x: auto;
    padding-bottom: 1px;
  }

  body.experience-3dmetro-body.is-panel-collapsed .metro-tracker {
    bottom: var(--metro-edge-bottom);
  }
}

@media (max-width: 520px) {
  :root {
    --metro-panel-height: min(390px, max(214px, calc(100dvh - 158px - var(--metro-edge-bottom))));
  }

  .metro-topbar {
    gap: 8px;
  }

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

  .metro-brand span {
    font-size: 11px;
  }

  .metro-summary {
    gap: 4px;
  }

  .metro-summary div {
    min-width: 44px;
    justify-content: center;
    padding: 0 5px;
  }

  .metro-summary dt {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .metro-summary dd {
    font-size: 13px;
  }

  .metro-search {
    height: 32px;
  }

  .metro-tracker {
    grid-template-columns: minmax(0, 1fr) 34px;
    padding: 9px;
  }

  .metro-tracker-stats div {
    min-width: 64px;
  }

  .metro-route-button {
    min-height: 58px;
    grid-template-columns: 5px minmax(0, 1fr) auto;
    gap: 7px;
    padding: 6px 7px;
  }

  .metro-route-swatch {
    width: 5px;
    height: 24px;
  }

  .metro-route-main strong {
    font-size: 13px;
  }

  .metro-inspector {
    display: none;
  }
}

@media (max-width: 980px) and (max-height: 560px) {
  :root {
    --metro-panel-height: max(168px, calc(100dvh - 162px - var(--metro-edge-bottom)));
  }

  .metro-panel {
    grid-template-rows: minmax(58px, 0.72fr) minmax(58px, 0.72fr) minmax(0, 1fr);
  }

  .metro-panel-section {
    gap: 6px;
    padding: 7px 8px;
  }

  .metro-section-head {
    min-height: 24px;
  }

  .metro-panel-section:first-child .metro-route-button {
    flex-basis: 190px;
    min-height: 46px;
  }

  .metro-route-main span,
  .metro-route-span,
  .metro-line-stop-label,
  .metro-vehicle-main span,
  .metro-vehicle-row output {
    font-size: 10px;
  }

  .metro-speed-control {
    height: 30px;
    min-height: 30px;
  }

  .metro-vehicle-row {
    min-height: 42px;
    padding-block: 5px;
  }

  .metro-tracker {
    min-height: 0;
    padding: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .metro-icon-button,
  .metro-route-button,
  .metro-vehicle-row,
  .metro-line-stop-dot,
  .metro-compass .metro-compass-rose,
  .metro-toast {
    transition: none;
  }

  .metro-spinner {
    animation: none;
  }

  .metro-vehicle-row.is-tracked .metro-vehicle-dot {
    animation: none;
  }
}

@media (max-width: 980px) {
  .metro-help {
    top: auto;
    right: var(--metro-edge-x);
    left: var(--metro-edge-x);
    bottom: var(--metro-floating-bottom);
    width: auto;
    justify-self: center;
  }

  .metro-toast {
    bottom: calc(var(--metro-floating-bottom) + 4px);
  }
}