:root {
  /* Central color tokens. Change these first when tuning the visual style. */
  color-scheme: light;
  --ink: #1d252c;
  --muted: #63707b;
  --line: #d8e0e6;
  --panel: #ffffff;
  --soft: #eef3f6;
  --green: #277a55;
  --green-dark: #1e6245;
  --red: #b94a48;
  --blue: #316fa5;
  --shadow: 0 18px 45px rgba(24, 42, 55, 0.16);
}

* {
  box-sizing: border-box;
}

html,
body {
  /* The app is designed as a single-screen game, not a scrolling web page. */
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  min-width: 320px;
  font-family: "Segoe UI", "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, Inter, sans-serif;
  color: var(--ink);
  background: #dce7ec;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  /* Two rows: fixed-height top bar and flexible game area. */
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: 100vw;
  height: 100dvh;
  padding: clamp(10px, 1.3vw, 18px);
  gap: clamp(10px, 1.2vw, 16px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 70px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 32px rgba(28, 48, 59, 0.1);
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--red);
  color: white;
  font-weight: 900;
  letter-spacing: 0;
}

.brand h1 {
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.35rem);
  line-height: 1.1;
}

.brand p {
  max-width: min(44vw, 520px);
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(76px, 1fr));
  gap: 8px;
  width: min(48vw, 560px);
}

.metric {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfc;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1;
}

.metric strong {
  display: block;
  margin-top: 5px;
  font-size: clamp(0.9rem, 1.4vw, 1.12rem);
  line-height: 1;
}

.game-grid {
  /* Desktop layout: large image on the left, game controls on the right. */
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.8fr);
  min-height: 0;
  gap: clamp(10px, 1.2vw, 16px);
}

.photo-panel,
.control-panel,
.map-panel,
.round-panel,
.action-panel {
  min-width: 0;
  min-height: 0;
}

.photo-panel {
  /* Image takes all remaining height; toolbar stays pinned below it. */
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 10px;
}

.photo-frame {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(29, 37, 44, 0.22);
  border-radius: 8px;
  background: #11191f;
  box-shadow: var(--shadow);
}

.photo-frame img {
  /* Static images fill the stage without changing the layout. */
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  color: #f5fbff;
  background:
    linear-gradient(135deg, rgba(36, 100, 72, 0.78), rgba(41, 99, 145, 0.76)),
    url("images/placeholder.svg") center / cover no-repeat;
  text-align: center;
}

.image-fallback span {
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(10, 18, 24, 0.62);
  font-weight: 800;
}

.image-fallback.hidden {
  display: none;
}

.photo-toolbar {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  min-height: 58px;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--ink);
  font-size: 1.75rem;
  line-height: 1;
}

.icon-button:hover {
  background: #dde8ee;
}

.photo-meta {
  min-width: 0;
  text-align: center;
}

.photo-meta strong,
.photo-meta span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.photo-meta strong {
  font-size: 0.98rem;
}

.photo-meta span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
}

.control-panel {
  /* Right column: map grows, status/actions stay compact. */
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 10px;
}

.map-panel,
.round-panel,
.action-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.map-panel {
  /* Blank map component. Add SVG/canvas/Leaflet inside .map-surface. */
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
}

.map-surface {
  /* Native canvas map surface. The grid is only visible before data finishes loading. */
  position: relative;
  min-height: 0;
  background:
    linear-gradient(#dbe5ea 1px, transparent 1px),
    linear-gradient(90deg, #dbe5ea 1px, transparent 1px),
    #f7fafb;
  background-size: 26px 26px;
}

#map-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

#map-canvas:active {
  cursor: grabbing;
}


.map-label {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  left: 12px;
  bottom: 12px;
  display: block;
  max-width: calc(100% - 24px);
  padding: 6px 8px;
  border: 1px solid rgba(99, 112, 123, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
}

.map-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.map-label span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.map-info-panel {
  position: absolute;
  z-index: 3;
  top: 8px;
  right: 8px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  width: min(220px, calc(100% - 16px));
  max-height: calc(100% - 16px);
  overflow: hidden;
  border: 1px solid rgba(99, 112, 123, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 20px rgba(28, 48, 59, 0.14);
}

.map-info-panel.is-collapsed {
  width: 32px;
}

.map-info-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  min-height: 30px;
  align-self: stretch;
  border-right: 1px solid var(--line);
  background: #eef5f8;
  color: var(--ink);
  font-weight: 900;
}

.map-info-toggle:hover {
  background: #e3eef3;
}

.map-info-content {
  min-width: 0;
  padding: 7px 9px;
}

.map-info-panel.is-collapsed .map-info-content {
  display: none;
}

.map-info-content strong,
.map-info-content span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.map-info-content strong {
  font-size: 0.86rem;
  line-height: 1.15;
}

.map-info-content span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
}

.map-info-content dl {
  display: grid;
  gap: 3px;
  margin: 7px 0 0;
}

.map-info-content dl div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.map-info-content dt {
  color: var(--muted);
  font-size: 0.64rem;
}

.map-info-content dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 800;
  text-align: right;
}

.map-hover-tooltip {
  position: absolute;
  z-index: 4;
  display: none;
  max-width: min(220px, calc(100% - 24px));
  min-height: 28px;
  padding: 6px 9px;
  border: 1px solid rgba(29, 37, 44, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 10px 24px rgba(28, 48, 59, 0.18);
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.15;
  pointer-events: none;
  transform: translate(12px, 12px);
  white-space: normal;
  overflow-wrap: anywhere;
}

.map-hover-tooltip.is-visible {
  display: block;
}

.map-guess-marker {
  position: absolute;
  z-index: 5;
  display: none;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: transparent;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.map-guess-marker.is-visible {
  display: block;
}

.map-actions {
  display: grid;
  grid-template-columns: auto auto;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid var(--line);
  justify-content: start;
}

.round-panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  gap: 12px;
  padding: 8px 12px;
  background: #fbfdfe;
}

.status-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.status-row strong {
  font-size: 0.9rem;
  text-align: right;
  overflow-wrap: anywhere;
  line-height: 1.2;
}

.action-panel {
  display: grid;
  grid-template-columns: 1fr 0.75fr 0.72fr;
  gap: 8px;
  padding: 8px;
}

.primary-button,
.secondary-button,
.ghost-button,
.flag-tool-button {
  min-width: 0;
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
}

.flag-tool-button {
  display: grid;
  place-items: center;
  width: 42px;
  padding: 0;
  border: 1px solid #c8d1d8;
  background: #fff5f5;
  color: #d94b4b;
  font-size: 1.2rem;
  cursor: grab;
  touch-action: none;
}

.flag-tool-button:hover {
  border-color: #d94b4b;
  background: #ffe9e9;
}

.flag-tool-button:active {
  cursor: grabbing;
}

.flag-tool-button.is-dragging {
  border-color: #d94b4b;
  background: #ffe1e1;
  cursor: grabbing;
}

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

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

.secondary-button {
  border: 1px solid #b7c8d3;
  background: #eef5f8;
  color: var(--ink);
}

.secondary-button:hover {
  background: #e3eef3;
}

.ghost-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
}

.ghost-button:hover {
  border-color: var(--line);
  background: #f7fafb;
  color: var(--ink);
}

@media (max-width: 820px) {
  /* Tablet/small laptop layout: controls move below the image to preserve height. */
  .app-shell {
    padding: 8px;
    gap: 8px;
  }

  .topbar {
    min-height: 64px;
    padding: 8px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 0.86rem;
  }

  .brand p {
    display: none;
  }

  .score-strip {
    grid-template-columns: repeat(4, minmax(52px, 1fr));
    width: min(58vw, 430px);
    gap: 5px;
  }

  .metric {
    padding: 6px;
  }

  .metric span {
    font-size: 0.64rem;
  }

  .metric strong {
    font-size: 0.78rem;
  }

  .game-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1.2fr) minmax(230px, 0.85fr);
    gap: 8px;
  }

  .control-panel {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.55fr);
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 8px;
  }

  .map-panel {
    grid-row: 1 / 3;
  }

  .round-panel {
    min-height: 0;
  }

  .status-row {
    min-height: 36px;
    padding: 6px 8px;
  }

  .action-panel {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .flag-tool-button {
    min-height: 36px;
    padding: 7px 8px;
    font-size: 0.82rem;
  }

  .flag-tool-button {
    width: 36px;
    padding: 0;
    font-size: 1rem;
  }

  .photo-toolbar {
    min-height: 52px;
    grid-template-columns: 42px minmax(0, 1fr) 42px;
  }

  .icon-button {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 560px) {
  /* Phone layout: everything still fits inside the viewport without page scrolling. */
  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .score-strip {
    width: 100%;
  }

  .game-grid {
    grid-template-rows: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  }

  .control-panel {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto auto;
  }

  .map-panel {
    grid-row: auto;
  }

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

  .status-row {
    display: grid;
    align-content: center;
    min-height: 46px;
    gap: 3px;
  }

  .status-row strong {
    text-align: left;
  }

  .action-panel {
    grid-template-columns: 1fr 1fr 1fr;
  }
}