:root {
  color-scheme: dark;
  --bg: #03070d;
  --panel: rgba(7, 15, 25, 0.86);
  --panel-strong: rgba(10, 23, 36, 0.94);
  --line: rgba(111, 204, 255, 0.22);
  --line-strong: rgba(111, 204, 255, 0.55);
  --text: #f4fbff;
  --muted: #8ca8b7;
  --blue: #19b9ff;
  --blue-soft: rgba(25, 185, 255, 0.18);
  --amber: #ffb13b;
  --danger: #ff5f7a;
  --green: #48f0a4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 28% 12%, rgba(25, 185, 255, 0.18), transparent 34%),
    linear-gradient(140deg, #020308 0%, #071421 48%, #05070d 100%);
  color: var(--text);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  padding: 18px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(190px, 260px) 1fr auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.brand,
.profile-chip,
.mode-tabs,
.scene-panel,
.intel-panel > *,
.map-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 10px 14px;
  color: var(--text);
  text-align: left;
  border-radius: 8px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  color: var(--blue);
  background: linear-gradient(135deg, rgba(25, 185, 255, 0.18), rgba(255, 177, 59, 0.12));
  font-weight: 900;
  letter-spacing: 0;
}

.brand strong,
.profile-chip strong {
  display: block;
  letter-spacing: 0.08em;
}

.brand small,
.profile-chip span,
.hud-strip span,
.panel-title span,
.metric-row span,
.map-toolbar span {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.mode-tabs {
  display: flex;
  gap: 8px;
  min-width: 0;
  padding: 8px;
  border-radius: 8px;
  overflow-x: auto;
}

.mode-tab,
.command-btn,
.home-signal,
.guess-actions button,
.name-row button,
#dailyButton {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  padding: 10px 12px;
  min-height: 40px;
}

.mode-tab.active,
.primary-action {
  border-color: rgba(25, 185, 255, 0.85);
  background: linear-gradient(135deg, rgba(25, 185, 255, 0.32), rgba(255, 177, 59, 0.16));
  color: white;
}

.profile-chip {
  min-width: 150px;
  padding: 12px 14px;
  border-radius: 8px;
}

.game-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.55fr);
  grid-template-areas:
    "scene intel"
    "map intel";
  gap: 16px;
}

.scene-panel {
  grid-area: scene;
  border-radius: 8px;
  overflow: hidden;
}

.scene-stage {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  background: #09111b;
  isolation: isolate;
}

.sky-layer,
.horizon-layer,
.road-layer,
.weather-layer,
.scan-line,
.reticle {
  position: absolute;
  inset: 0;
}

.sky-layer {
  background:
    linear-gradient(180deg, rgba(25, 185, 255, 0.34), rgba(11, 21, 36, 0.24) 42%, rgba(3, 7, 13, 0) 68%),
    radial-gradient(circle at var(--sun-x, 72%) 18%, rgba(255, 215, 144, 0.54), transparent 12%);
}

.horizon-layer {
  top: 34%;
  background:
    linear-gradient(160deg, transparent 0 18%, var(--terrain-a, #1c5b5d) 18% 30%, transparent 30%),
    linear-gradient(200deg, transparent 0 22%, var(--terrain-b, #325653) 22% 40%, transparent 40%),
    linear-gradient(180deg, transparent 0 52%, var(--ground, #132417) 52% 100%);
  transform: translateX(var(--pan, 0px)) scale(var(--zoom, 1));
  transition: transform 280ms ease;
}

.road-layer {
  top: 48%;
  background:
    linear-gradient(90deg, transparent 0 48%, rgba(255,255,255,0.78) 48% 49%, transparent 49% 51%, rgba(255,255,255,0.78) 51% 52%, transparent 52%),
    linear-gradient(108deg, transparent 0 31%, rgba(255,255,255,0.08) 31% 33%, transparent 33%),
    linear-gradient(252deg, transparent 0 31%, rgba(255,255,255,0.08) 31% 33%, transparent 33%),
    linear-gradient(180deg, transparent 0 12%, var(--road, #25303a) 12% 100%);
  clip-path: polygon(42% 0, 58% 0, 100% 100%, 0 100%);
  transform: translateX(calc(var(--pan, 0px) * -0.18)) scale(var(--zoom, 1));
}

.weather-layer.rain {
  background-image: repeating-linear-gradient(105deg, rgba(255,255,255,0.26) 0 1px, transparent 1px 13px);
  animation: weatherMove 700ms linear infinite;
}

.weather-layer.snow {
  background-image: radial-gradient(circle, rgba(255,255,255,0.84) 0 1px, transparent 2px);
  background-size: 28px 28px;
  animation: weatherMove 2200ms linear infinite;
}

.weather-layer.fog {
  background: linear-gradient(180deg, transparent, rgba(214, 236, 244, 0.18), transparent);
}

.scan-line {
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(25, 185, 255, 0.12), transparent);
  height: 160px;
  animation: scan 4s ease-in-out infinite;
}

.reticle {
  pointer-events: none;
  background:
    linear-gradient(rgba(111,204,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111,204,255,0.08) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle, black 0 55%, transparent 76%);
}

.hotspot {
  position: absolute;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(25, 185, 255, 0.7);
  background: rgba(25, 185, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(25, 185, 255, 0.28);
  opacity: 0.45;
  transition: opacity 160ms ease, transform 160ms ease;
}

.hotspot::before,
.hotspot::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 50%;
}

.hotspot.sign { left: 60%; top: 36%; }
.hotspot.road { left: 47%; top: 66%; }
.hotspot.terrain { left: 20%; top: 48%; }

.smart .hotspot,
.hotspot:hover {
  opacity: 1;
  transform: scale(1.06);
}

.hud-strip,
.control-deck,
.map-toolbar,
.guess-actions,
.panel-title,
.metric-row,
.name-row {
  display: flex;
  align-items: center;
}

.hud-strip {
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.26);
}

.hud-strip strong {
  display: block;
  margin-top: 3px;
}

.control-deck {
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  font-size: 1.2rem;
}

.icon-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.intel-panel {
  grid-area: intel;
  display: grid;
  gap: 14px;
  align-content: start;
}

.intel-panel > * {
  border-radius: 8px;
  padding: 14px;
}

.operator-card label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.name-row {
  gap: 8px;
}

.name-row input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 8px 10px;
}

.home-signal {
  width: 100%;
  margin: 10px 0;
}

#homeStatus,
.feed-card p,
.intel-card p {
  color: #bed2dc;
  line-height: 1.55;
}

.panel-title,
.metric-row,
.map-toolbar {
  justify-content: space-between;
  gap: 12px;
}

.clue-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.clue-list li {
  border: 1px solid rgba(255,255,255,0.08);
  border-left: 3px solid var(--blue);
  padding: 8px 10px;
  background: rgba(255,255,255,0.04);
  color: #dcebf2;
}

.xp-track {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0 14px;
}

.xp-track span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--amber));
}

.map-panel {
  grid-area: map;
  border-radius: 8px;
  overflow: hidden;
}

.map-toolbar {
  min-height: 58px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.map-wrap {
  position: relative;
  aspect-ratio: 2 / 1;
  min-height: 320px;
  overflow: hidden;
  background: #08131d;
}

.tile-grid,
#worldCanvas,
.route-line {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-credit {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 6;
  color: rgba(244, 251, 255, 0.78);
  background: rgba(0, 0, 0, 0.42);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 0.72rem;
  text-decoration: none;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  opacity: 0.26;
  filter: grayscale(0.45) hue-rotate(150deg) brightness(0.72);
}

.tile-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#worldCanvas {
  cursor: crosshair;
}

.pin {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50% 50% 50% 0;
  transform: translate(-50%, -100%) rotate(-45deg);
  display: none;
  z-index: 5;
}

.pin::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: #fff;
}

.guess-pin {
  background: var(--amber);
}

.answer-pin {
  background: var(--green);
}

.route-line {
  pointer-events: none;
  z-index: 4;
}

.route-line line {
  stroke: var(--amber);
  stroke-width: 3;
  stroke-dasharray: 10 8;
  opacity: 0;
}

.guess-actions {
  gap: 10px;
  padding: 12px;
  flex-wrap: wrap;
}

.guess-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

dialog {
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0;
  color: var(--text);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  max-width: 520px;
}

dialog::backdrop {
  background: rgba(0,0,0,0.72);
}

.intro-panel {
  padding: 22px;
}

.intro-map {
  height: 180px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%, rgba(25,185,255,0.24), transparent 34%),
    linear-gradient(rgba(111,204,255,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111,204,255,0.14) 1px, transparent 1px),
    #06111d;
  background-size: auto, 28px 28px, 28px 28px, auto;
}

.intro-panel h1 {
  margin: 18px 0 6px;
  font-size: clamp(2.5rem, 9vw, 5rem);
  letter-spacing: 0.12em;
}

.intro-panel p {
  color: #c5d7df;
  line-height: 1.55;
}

.intro-actions {
  display: flex;
  justify-content: flex-end;
}

@keyframes scan {
  0%, 100% { transform: translateY(-180px); }
  50% { transform: translateY(520px); }
}

@keyframes weatherMove {
  from { background-position: 0 0; }
  to { background-position: -40px 80px; }
}

@media (max-width: 980px) {
  .topbar,
  .game-grid {
    grid-template-columns: 1fr;
  }

  .game-grid {
    grid-template-areas:
      "scene"
      "map"
      "intel";
  }

  .profile-chip {
    display: none;
  }

  .scene-stage {
    min-height: 390px;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 10px;
  }

  .hud-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .map-wrap {
    min-height: 260px;
  }

  .mode-tab {
    white-space: nowrap;
  }
}