/* AI_TAG: FRONTEND_COMPONENT | BomberPige layout + theme */
:root{
  --bg:#0b1016;--panel:#111a26;--accent:#4da3ff;--grid:#0f1823;--soft:#eaf2ff;--danger:#ff7a85;--ok:#6bff9d
}
#wrap{min-height:100vh;display:flex;flex-direction:column}
header{padding:16px 20px;background:linear-gradient(180deg,#0f1722,#0b1016)}
header h1{margin:0 0 6px;font-size:20px;color:var(--soft);letter-spacing:.5px}
header .sub{opacity:.75;font-size:13px}
main{flex:1;display:flex;align-items:center;justify-content:center;padding:16px}
#stageWrap{position:relative;background:radial-gradient(1200px 600px at 25% -10%, #1d3b5e 0%, #0e1622 55%);padding:16px;border-radius:14px;box-shadow:0 10px 40px #0008, inset 0 0 0 1px #ffffff12}
#stage{display:block;background:repeating-linear-gradient(90deg,var(--grid),var(--grid) 48px,transparent 48px,transparent 96px),repeating-linear-gradient(0deg,var(--grid),var(--grid) 48px,transparent 48px,transparent 96px),#0a121c;border-radius:10px;box-shadow:inset 0 6px 22px #000d}
#hud{position:absolute;left:16px;right:16px;top:16px;display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.chip{background:linear-gradient(135deg,#0e1a28,#0c1522);border:1px solid #2a4668;box-shadow:0 3px 12px #000a;backdrop-filter:blur(6px);color:#e8f1ff;padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px}
#help{position:absolute;left:16px;right:16px;bottom:16px;opacity:.7;font-size:12px}
footer{padding:14px 20px;border-top:1px solid #101824;background:#0a111b}
footer .back{color:var(--accent);text-decoration:none}

/* Tile palette (drawn in canvas but kept for reference) */
.legend{display:none}

/* AI_TAG: FRONTEND_COMPONENT | Touch controls */
@media (pointer: coarse){
  #touchControls{position:absolute;left:16px;right:16px;bottom:16px;display:flex;justify-content:space-between;align-items:flex-end;gap:12px;z-index:5}
  #touchControls .dpad{display:flex;flex-direction:column;gap:8px}
  #touchControls .dpad .mid{display:flex;gap:8px;justify-content:center}
  #touchControls button{min-width:56px;min-height:56px;border-radius:12px;border:1px solid #294a6c;background:linear-gradient(135deg,#0e1a28,#0c1522);color:#e8f1ff;font-weight:800;box-shadow:0 6px 20px #000a}
  #touchControls .actions{display:flex;flex-direction:column;gap:8px}
  #touchControls .actions .primary{min-width:100px}
}