:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-2: #0f1d33;
  --panel: rgba(10, 19, 34, 0.86);
  --panel-strong: rgba(16, 28, 49, 0.96);
  --ink: #eef4ff;
  --muted: #9db0cf;
  --accent: #89b4ff;
  --accent-2: #ffd166;
  --danger: #ff6b7d;
  --safe: #6fe3c3;
  --wall: #24354f;
  --tile: #11223c;
  --tile-alt: #152845;
  --watch: rgba(255, 96, 122, 0.32);
  --move: rgba(115, 195, 255, 0.2);
  --glow: 0 18px 60px rgba(0, 0, 0, 0.34);
  --cell-size: min(15.6vw, 78px);
  --gap: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(117, 154, 255, 0.18), transparent 36%),
    linear-gradient(180deg, #07111d, #0d1b2f 42%, #060d18 100%);
  color: var(--ink);
}

a { color: inherit; }
button { font: inherit; }

.wrap {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 22px 0 36px;
}

.topnav {
  display: flex;
  gap: 10px;
  justify-content: center;
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(157, 176, 207, 0.16);
  border-radius: 22px;
  box-shadow: var(--glow);
  backdrop-filter: blur(10px);
}

.hero {
  padding: 24px 22px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent-2);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.subtitle {
  width: min(720px, 100%);
  margin: 12px auto 0;
  color: var(--muted);
  line-height: 1.55;
}

.hud {
  margin-top: 18px;
  padding: 14px 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hud div {
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
}

.label {
  display: block;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 4px;
}

.hud strong {
  font-size: 1.1rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
  margin-top: 18px;
}

.board-panel {
  padding: 20px;
}

.board-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.board-header h2,
.stat-panel h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.board-header p,
.stat-panel p,
.rules-list,
.brief-list {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, var(--cell-size)));
  gap: var(--gap);
  justify-content: center;
  margin: 0 auto;
}

.cell {
  position: relative;
  width: var(--cell-size);
  height: var(--cell-size);
  border: 1px solid rgba(157, 176, 207, 0.14);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--tile-alt), var(--tile));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.cell.floor { cursor: default; }
.cell.move-target {
  cursor: pointer;
  border-color: rgba(137, 180, 255, 0.7);
  box-shadow: inset 0 0 0 1px rgba(137, 180, 255, 0.3), 0 0 0 2px rgba(137, 180, 255, 0.08);
}
.cell.move-target::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 16px;
  background: var(--move);
}
.cell.wall {
  background: linear-gradient(180deg, #2a3d5a, #1c2940);
}
.cell.wall::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.08);
}
.cell.watched {
  box-shadow: inset 0 0 0 999px var(--watch);
}
.cell.exit-ready {
  border-color: rgba(111, 227, 195, 0.8);
}
.cell.player-caught {
  animation: caught 0.5s ease;
}

@keyframes caught {
  0% { transform: scale(1); }
  50% { transform: scale(0.94); }
  100% { transform: scale(1); }
}

.entity,
.marker {
  position: relative;
  z-index: 2;
}

.player {
  width: 52%;
  aspect-ratio: 1;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, #f8fcff, #7cc4ff 58%, #2a5f8b 100%);
  box-shadow: 0 0 0 5px rgba(124, 196, 255, 0.16);
}

.relic,
.exit,
.guard {
  position: absolute;
  display: grid;
  place-items: center;
}

.relic {
  inset: 12px;
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  color: var(--accent-2);
  text-shadow: 0 0 18px rgba(255, 209, 102, 0.35);
}

.exit {
  inset: auto 9px 8px auto;
  color: var(--safe);
  font-size: 1.15rem;
}

.guard {
  inset: 8px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.guard-badge {
  width: 56%;
  aspect-ratio: 1;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffe8b2, #f5b84f);
  color: #372100;
  display: grid;
  place-items: center;
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 700;
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.18);
}

.guard-ray {
  position: absolute;
  background: linear-gradient(90deg, rgba(255, 221, 133, 0.8), rgba(255, 221, 133, 0));
  border-radius: 999px;
  opacity: 0.75;
}

.guard-ray.up,
.guard-ray.down {
  width: 12px;
  left: calc(50% - 6px);
}
.guard-ray.left,
.guard-ray.right {
  height: 12px;
  top: calc(50% - 6px);
}
.guard-ray.up { top: 8px; bottom: 52%; transform: rotate(-90deg); transform-origin: center; }
.guard-ray.down { bottom: 8px; top: 52%; transform: rotate(90deg); transform-origin: center; }
.guard-ray.left { left: 8px; right: 52%; }
.guard-ray.right { right: 8px; left: 52%; }

.controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.action-btn,
.ghost-btn {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

.action-btn:hover,
.ghost-btn:hover,
.cell.move-target:hover {
  transform: translateY(-1px);
}

.action-btn {
  background: linear-gradient(180deg, #9ac0ff, #6f97f0);
  color: #08111f;
  font-weight: 700;
}
.action-btn.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}
.ghost-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  border: 1px solid rgba(157, 176, 207, 0.18);
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stat-panel {
  padding: 18px;
}

.brief-list,
.rules-list {
  padding-left: 18px;
}

.message {
  margin-top: 12px !important;
  font-weight: 700;
  color: var(--ink) !important;
}

.guard-list {
  display: grid;
  gap: 10px;
}

.guard-card {
  border-radius: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(157, 176, 207, 0.12);
}

.guard-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.guard-name {
  font-weight: 700;
}

.guard-cycle {
  font-size: 0.9rem;
  color: var(--muted);
}

.chip {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.08);
}
.chip.relic { color: var(--accent-2); }
.chip.exit { color: var(--safe); }

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .side-panel {
    order: 2;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 14px, 540px);
    padding-top: 14px;
  }
  .hero, .board-panel, .stat-panel { padding-left: 16px; padding-right: 16px; }
  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .board-header {
    flex-direction: column;
    align-items: stretch;
  }
  :root {
    --cell-size: min(17.2vw, 68px);
    --gap: 8px;
  }
}