:root {
  color-scheme: light;
  --bg: #0e1820;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --ink: #17212a;
  --muted: #5c6872;
  --line: rgba(23, 33, 42, 0.16);
  --accent: #bb5f33;
  --accent-dark: #884321;
  --good: #157f58;
  --bad: #b63d2f;
  --shadow: 0 18px 50px rgba(8, 20, 28, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
}

button,
select,
input {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(290px, 360px) minmax(0, 1fr) minmax(280px, 340px);
  grid-template-areas: "hud map controls";
  gap: 14px;
  min-height: 100vh;
  padding: 14px;
  background: #26343b;
}

.map-stage {
  grid-area: map;
  position: relative;
  min-height: calc(100vh - 28px);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #89c9d5;
  box-shadow: var(--shadow);
}

.map-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
}

.marker-layer,
.click-layer,
.map-button {
  position: absolute;
  inset: 0;
}

.map-button {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: crosshair;
}

.marker {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid #13242d;
  border-radius: 50%;
  background: #f9f1da;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.7), 0 4px 12px rgba(15, 25, 33, 0.28);
  transform: translate(-50%, -50%);
  opacity: 0.86;
}

.marker.is-target {
  width: 16px;
  height: 16px;
  border-color: var(--accent-dark);
  background: #ffcf61;
  opacity: 1;
}

.marker-label {
  position: absolute;
  transform: translate(8px, -50%);
  white-space: nowrap;
  color: #13242d;
  font-size: 11px;
  font-weight: 800;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
  pointer-events: none;
}

.guess-dot,
.answer-dot {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 6px 18px rgba(11, 21, 29, 0.34);
}

.guess-dot {
  border: 3px solid white;
  background: var(--bad);
}

.answer-dot {
  border: 3px solid #10242d;
  background: #ffcf61;
}

.distance-line {
  position: absolute;
  height: 3px;
  transform-origin: left center;
  background: rgba(126, 45, 34, 0.74);
  box-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.hud,
.controls {
  border: 1px solid rgba(255, 255, 255, 0.56);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hud {
  grid-area: hud;
  align-self: start;
  padding: 22px;
}

.controls {
  grid-area: controls;
  align-self: start;
  padding: 18px;
}

.label {
  margin: 0 0 5px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 0.96;
  letter-spacing: 0;
}

.meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.score-grid > div {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  padding: 12px;
}

.score-value,
.score-label {
  display: block;
}

.score-value {
  font-size: 24px;
  font-weight: 850;
  line-height: 1;
}

.score-label {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.feedback,
.info-panel {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.feedback.is-good {
  color: var(--good);
  font-weight: 760;
}

.feedback.is-bad {
  color: var(--bad);
  font-weight: 760;
}

.info-panel {
  margin-top: 14px;
}

.info-panel h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.info-panel p,
.info-description p {
  margin: 0;
}

.info-description {
  display: grid;
  gap: 10px;
}

.info-panel .refs {
  margin-top: 10px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 760;
}

.control-group {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.control-group label,
.toggle {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel-strong);
  color: var(--ink);
  padding: 0 12px;
}

.control-row {
  display: flex;
  align-items: center;
  min-height: 34px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.primary-button,
.secondary-button {
  width: 100%;
  min-height: 44px;
  margin-top: 10px;
  border: 0;
  font-size: 14px;
  font-weight: 820;
  cursor: pointer;
}

.primary-button {
  background: var(--accent);
  color: white;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--ink);
}

.data-summary {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.data-summary div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.data-summary dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
}

.data-summary dd {
  margin: 0;
  font-size: 13px;
  font-weight: 850;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hud"
      "map"
      "controls";
    min-height: 100svh;
    overflow: auto;
  }

  .map-stage {
    min-height: min(62svh, 560px);
    order: 2;
  }

  .hud,
  .controls {
    width: auto;
  }

  .hud {
    order: 1;
    padding: 16px;
  }

  .controls {
    order: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px;
  }

  .control-group,
  .control-row,
  .primary-button,
  .secondary-button,
  .data-summary {
    margin: 0;
  }

  .data-summary {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    padding-top: 10px;
  }

  .data-summary div {
    display: block;
  }

  h1 {
    font-size: 32px;
  }

  .score-grid {
    margin: 14px 0;
  }
}

@media (max-width: 560px) {
  .map-stage {
    min-height: 48svh;
  }

  .hud {
    max-height: none;
    overflow: auto;
  }

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

  .score-grid > div {
    padding: 9px;
  }

  .score-value {
    font-size: 19px;
  }

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

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