/* Mobile on-screen controls — only rendered on touch devices */
#mobile-controls {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  z-index: 900;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  /* Push controls above browser nav bar and iPhone home indicator */
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

#mobile-controls.visible {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  padding-left: calc(16px + env(safe-area-inset-left, 0px));
  padding-right: calc(16px + env(safe-area-inset-right, 0px));
}

/* ── Virtual joystick ── */
.mc-joystick {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.45);
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: auto;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.mc-joystick-knob {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.55);
  border: 2px solid rgba(245, 158, 11, 0.85);
  pointer-events: none;
  position: absolute;
  /* transition intentionally short so knob tracks finger without lag */
  transition: transform 0.04s linear;
}

/* ── Action buttons cluster ── */
.mc-actions {
  display: grid;
  grid-template-columns: 60px 60px;
  grid-template-rows: 60px 60px;
  gap: 8px;
  pointer-events: auto;
  align-items: end;
}

.mc-actions .mc-btn-fire    { grid-column: 1; grid-row: 1; }
.mc-actions .mc-btn-missile { grid-column: 2; grid-row: 1; }
.mc-actions .mc-btn-eject   { grid-column: 1 / span 2; grid-row: 2; height: 48px; }

/* ── Base button style ── */
.mc-btn {
  border-radius: 14px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: rgba(255, 255, 255, 0.75);
  font-size: 22px;
  cursor: pointer;
  touch-action: none;
  opacity: 0.75;
  transition: opacity 0.08s ease, background 0.08s ease, transform 0.08s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

/* D-pad buttons are slightly smaller */
.mc-dpad .mc-btn {
  border-radius: 10px;
  font-size: 20px;
}

/* Active / pressed state */
.mc-btn.pressed {
  opacity: 0.92;
  background: rgba(245, 158, 11, 0.45);
  border-color: rgba(245, 158, 11, 0.7);
  transform: scale(0.93);
}

/* Label text under action buttons */
.mc-btn-label {
  display: block;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 2px;
  line-height: 1;
}

.mc-btn-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

/* Eject button is wider — adjust inner layout */
.mc-btn-eject {
  font-size: 18px;
}

/* Landscape-only adjustments */
@media (max-height: 480px) {
  #mobile-controls.visible {
    height: 160px;
    padding-bottom: 12px;
  }
  .mc-joystick {
    width: 110px;
    height: 110px;
  }
  .mc-joystick-knob {
    width: 40px;
    height: 40px;
  }
  .mc-actions {
    grid-template-columns: 54px 54px;
    grid-template-rows: 54px 54px;
  }
  .mc-btn {
    font-size: 18px;
  }
}