/* Shared on-screen controller: D-pad + A/B
   Big hitboxes for interactive whiteboards. */

.kg-controller {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  pointer-events: none; /* allow game canvas to still receive events if needed */
  z-index: 999;
}

.kg-dpad, .kg-ab {
  pointer-events: auto;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none; /* crucial for touch screens */
}

.kg-dpad {
  width: min(48vw, 360px);
  height: min(30vh, 260px);
  max-height: 260px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 10px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 12px;
  backdrop-filter: blur(10px);
}

.kg-ab {
  width: min(40vw, 280px);
  height: min(30vh, 260px);
  max-height: 260px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 12px;
  backdrop-filter: blur(10px);
  align-content: center;
}

.kg-btn {
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 10px 22px rgba(0,0,0,.35);
}

.kg-btn:active {
  transform: scale(.98);
  background: rgba(255,255,255,.12);
}

.kg-btn--ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.kg-btn--a {
  font-size: 26px;
}
.kg-btn--b {
  font-size: 26px;
}

@media (max-width: 600px) {
  .kg-controller { gap: 10px; }
  .kg-btn { font-size: 18px; }
}