:root {
  color-scheme: light;
  --paper: #f4f0e8;
  --paper-strong: #fffaf1;
  --ink: #253024;
  --muted: #697565;
  --line: #d7cdbb;
  --route: #b94d2d;
  --route-dark: #743521;
  --forest: #315f4b;
  --mist: #e9e1d2;
  --sky: #d9e7ea;
  --gold: #c79c42;
  --shadow: 0 22px 50px rgba(57, 63, 52, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 250, 241, 0.96), rgba(244, 240, 232, 0.88)),
    repeating-linear-gradient(90deg, rgba(49, 95, 75, 0.05) 0 1px, transparent 1px 72px);
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fffaf3;
  font: inherit;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

button:hover {
  border-color: #a89573;
}

button:active {
  transform: translateY(1px);
}

.app-shell {
  width: min(1220px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 4px 2px 18px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4.6vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: 1.1rem;
  letter-spacing: 0;
}

.eyebrow,
.label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar__meta {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.topbar__meta span {
  min-width: 82px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 243, 0.75);
  text-align: center;
  font-weight: 800;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: stretch;
}

.map-panel,
.control-panel,
.places-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 243, 0.76);
  box-shadow: var(--shadow);
}

.map-panel {
  display: grid;
  grid-template-rows: auto minmax(360px, 1fr);
  overflow: hidden;
}

.map-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 12px;
}

.map-toolbar strong {
  display: block;
  margin-top: 4px;
  font-size: 1.35rem;
}

.map-frame {
  min-height: 360px;
  padding: 8px;
}

.route-map {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 360px;
}

.landmass {
  fill: rgba(244, 238, 224, 0.72);
  stroke: rgba(102, 112, 91, 0.36);
  stroke-width: 2;
  filter: url(#softShadow);
}

.ridge {
  fill: none;
  stroke: rgba(77, 90, 75, 0.18);
  stroke-width: 22;
  stroke-linecap: round;
}

.ridge--thin {
  stroke-width: 12;
}

.river {
  fill: none;
  stroke: rgba(84, 139, 151, 0.45);
  stroke-width: 7;
  stroke-linecap: round;
}

.river--thin {
  stroke-width: 4;
  opacity: 0.55;
}

.route {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route--back {
  stroke: rgba(91, 92, 78, 0.35);
  stroke-width: 10;
  stroke-dasharray: 4 18;
}

.route--done {
  stroke: var(--route);
  stroke-width: 10;
  filter: drop-shadow(0 5px 6px rgba(116, 53, 33, 0.24));
}

.map-node circle {
  fill: #fffaf3;
  stroke: #8e7d61;
  stroke-width: 2;
}

.map-node.is-unlocked circle {
  fill: var(--gold);
  stroke: var(--route-dark);
}

.map-node text {
  fill: #394233;
  font-size: 14px;
  font-weight: 800;
  paint-order: stroke;
  stroke: rgba(255, 250, 243, 0.88);
  stroke-width: 5px;
}

.walker-halo {
  fill: rgba(185, 77, 45, 0.16);
}

.walker {
  fill: var(--route-dark);
  stroke: #fffaf3;
  stroke-width: 4;
}

.control-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.status-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.status-block div,
.journey-block,
.speed-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.34);
  padding: 16px;
}

.status-block strong,
.journey-copy strong {
  display: block;
  margin-top: 6px;
  font-size: 1.55rem;
  line-height: 1.1;
}

.journey-block {
  display: grid;
  gap: 18px;
}

#routeNote {
  min-height: 48px;
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.progress-track {
  height: 12px;
  border-radius: 999px;
  background: #ded4c4;
  overflow: hidden;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--route), var(--forest));
  transition: width 220ms ease;
}

.speed-block {
  display: grid;
  gap: 10px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.segmented button {
  min-width: 0;
  padding: 0 8px;
  font-weight: 800;
}

.segmented button[aria-checked="true"] {
  border-color: var(--forest);
  color: #f9f3e9;
  background: var(--forest);
}

.actions {
  display: grid;
  gap: 10px;
}

.primary-action {
  min-height: 64px;
  border-color: var(--route-dark);
  color: #fffaf3;
  background: var(--route);
  font-size: 1.18rem;
  font-weight: 900;
}

.secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.places-section {
  margin-top: 18px;
  padding: 18px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-heading span {
  color: var(--muted);
  font-weight: 800;
}

.places-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.place-item {
  min-height: 104px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.36);
}

.place-item.is-unlocked {
  border-color: rgba(185, 77, 45, 0.62);
  background: #fff7e8;
}

.place-item strong {
  display: block;
  margin-bottom: 7px;
}

.place-item p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.42;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10;
  max-width: min(360px, calc(100vw - 40px));
  padding: 12px 14px;
  border: 1px solid rgba(116, 53, 33, 0.22);
  border-radius: 8px;
  color: var(--ink);
  background: #fff8ec;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.confirm-dialog {
  width: min(360px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.confirm-dialog::backdrop {
  background: rgba(35, 41, 32, 0.38);
}

.confirm-dialog form {
  display: grid;
  gap: 14px;
}

.confirm-dialog p {
  color: var(--muted);
  line-height: 1.5;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#confirmReset {
  color: #fffaf3;
  border-color: var(--route-dark);
  background: var(--route-dark);
}

@media (max-width: 900px) {
  .app-shell {
    padding: 16px;
    padding-bottom: 154px;
  }

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

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

  .control-panel {
    display: contents;
  }

  .status-block,
  .journey-block,
  .speed-block {
    box-shadow: none;
  }

  .actions {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 8;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(244, 240, 232, 0.94);
    backdrop-filter: blur(12px);
  }

  .primary-action {
    min-height: 58px;
  }

  .secondary-actions {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding-inline: 12px;
  }

  h1 {
    font-size: 2.45rem;
  }

  .topbar__meta {
    width: 100%;
    justify-content: stretch;
  }

  .topbar__meta span {
    flex: 1;
  }

  .map-toolbar,
  .status-block {
    grid-template-columns: 1fr 1fr;
  }

  .map-toolbar {
    display: grid;
    padding-inline: 14px;
  }

  .map-toolbar strong,
  .status-block strong,
  .journey-copy strong {
    font-size: 1.15rem;
  }

  .map-frame {
    min-height: 300px;
    padding: 4px;
  }

  .route-map {
    min-height: 300px;
  }

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