:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #000;
}

* { box-sizing: border-box; }
html, body, #app { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body { background: #000; overscroll-behavior: none; }
button { font-family: inherit; }

#app {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100%;
  touch-action: none;
  background: #000;
}

#game {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  pointer-events: none;
}
#overlay[hidden] { display: none; }

.menu-panel {
  width: min(50vw, 620px);
  min-width: min(310px, calc(100vw - 36px));
  max-height: calc(100dvh - 36px);
  display: grid;
  gap: 10px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  pointer-events: auto;
}

.menu-panel::-webkit-scrollbar { display: none; }

.menu-panel h1,
.menu-panel p {
  margin: 0;
  padding: 13px 18px;
  background: rgba(16, 16, 16, .90);
  border: 2px solid rgba(255, 255, 255, .76);
  text-align: center;
  line-height: 1.35;
  text-shadow: 0 1px 1px #000;
}

.menu-panel h1 { font-size: clamp(24px, 4vw, 36px); }
.menu-panel p { font-size: clamp(15px, 2vw, 18px); }

.menu-panel button {
  min-height: 48px;
  padding: 9px 14px;
  border: 2px solid rgba(255, 255, 255, .74);
  background: rgba(18, 18, 18, .90);
  color: #fff;
  font: inherit;
  font-size: clamp(16px, 2.2vw, 20px);
  cursor: pointer;
  text-shadow: 0 1px 1px #000;
}

.menu-panel button:hover,
.menu-panel button:focus-visible,
.game-menu-button:hover,
.game-menu-button:focus-visible {
  background: rgba(78, 78, 78, .94);
  outline: 2px solid #fff;
  outline-offset: 1px;
}

.menu-panel .secondary {
  min-height: 42px;
  font-size: 15px;
  opacity: .92;
}

#status {
  position: absolute;
  left: 50%;
  bottom: max(20px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: 10px 14px;
  background: rgba(0, 0, 0, .88);
  border: 1px solid #fff;
  text-align: center;
  pointer-events: none;
}

.game-menu-button {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 4;
  min-width: 72px;
  min-height: 40px;
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 8px;
  background: rgba(0,0,0,.68);
  color: #fff;
  cursor: pointer;
}
.game-menu-button[hidden] { display: none; }

#touch-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
#touch-controls[hidden], .dpad[hidden] { display: none !important; }

.dpad {
  position: absolute;
  bottom: max(16px, env(safe-area-inset-bottom));
  width: 154px;
  height: 154px;
  pointer-events: auto;
  opacity: .72;
}
.dpad-p1 { right: max(16px, env(safe-area-inset-right)); }
.dpad-p2 { left: max(16px, env(safe-area-inset-left)); }

.dpad button {
  position: absolute;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 12px;
  background: rgba(0,0,0,.58);
  color: #fff;
  font-size: 22px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.dpad button[data-dir="up"] { left: 51px; top: 0; }
.dpad button[data-dir="left"] { left: 0; top: 51px; }
.dpad button[data-dir="down"] { left: 51px; top: 102px; }
.dpad button[data-dir="right"] { left: 102px; top: 51px; }

@media (hover: hover) and (pointer: fine) {
  #touch-controls { display: none !important; }
}

@media (max-width: 620px) {
  .menu-panel { width: min(90vw, 460px); min-width: 0; }
  .dpad { transform: scale(.78); transform-origin: bottom right; }
  .dpad-p2 { transform-origin: bottom left; }
  .game-menu-button { min-width: 64px; min-height: 38px; }
}

@media (max-height: 460px) {
  .menu-panel { gap: 7px; max-height: calc(100dvh - 20px); }
  .menu-panel h1, .menu-panel p { padding: 9px 12px; }
  .menu-panel button { min-height: 40px; padding: 6px 10px; }
  .dpad { transform: scale(.66); }
}