/* Touch controls overlay — virtual D-pad + action buttons for mobile gameplay.
 * Only visible on touch-capable devices (or when force-enabled in settings).
 */

/* ── Browser gesture prevention ─────────────────────────────────────────────── */

/* Disable pull-to-refresh and elastic overscroll on the document */
html, body {
  overscroll-behavior: none;
}

/* Suppress all default touch handling on the game canvas so swipe gestures
   are captured exclusively by our gesture zone listener. */
#renderer-container {
  touch-action: none;
  overscroll-behavior: none;
}

#touch-controls {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 500;
  display: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

#touch-controls.tc-visible {
  display: block;
}

/* ── D-pad (left side) ──────────────────────────────────────────────────────── */
#tc-dpad {
  position: absolute;
  bottom: 36px;
  left: 28px;
  width: 120px;
  height: 120px;
  pointer-events: auto;
}

/* ── Action buttons (right side) ─────────────────────────────────────────────── */
#tc-actions {
  position: absolute;
  bottom: 36px;
  right: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: auto;
}

#tc-rotate-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ── Pause button (top-right) ─────────────────────────────────────────────────── */
#tc-pause {
  position: absolute;
  top: 18px;
  right: 18px;
  pointer-events: auto;
}

/* ── Base button ──────────────────────────────────────────────────────────────── */
.tc-btn {
  border: 2px solid rgba(255, 255, 255, 0.45);
  background: rgba(30, 30, 40, 0.40);
  color: rgba(255, 255, 255, 0.85);
  font-family: 'Press Start 2P', monospace;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.06s ease, border-color 0.06s ease, transform 0.06s ease;
  box-sizing: border-box;
  text-align: center;
  line-height: 1;
}

.tc-btn.tc-active {
  background: rgba(80, 80, 110, 0.60);
  border-color: rgba(255, 255, 255, 0.9);
  transform: scale(0.93);
}

/* ── D-pad buttons ───────────────────────────────────────────────────────────── */
.tc-dpad-btn {
  position: absolute;
  width: 44px;
  height: 44px;
  font-size: 18px;
}

#tc-dpad-left  { left: 0;   top: 38px; }
#tc-dpad-right { right: 0;  top: 38px; }
#tc-dpad-up    { left: 38px; top: 0; }
#tc-dpad-down  { left: 38px; bottom: 0; }

/* ── Action buttons ──────────────────────────────────────────────────────────── */
#tc-rotate-cw {
  width: 80px;
  height: 80px;
  font-size: 13px;
  background: rgba(50, 30, 70, 0.40);
}

#tc-rotate-ccw {
  width: 64px;
  height: 64px;
  font-size: 11px;
  background: rgba(30, 40, 70, 0.40);
}

#tc-hold {
  width: 52px;
  height: 52px;
  font-size: 9px;
  letter-spacing: -0.5px;
}

/* ── Pause button ────────────────────────────────────────────────────────────── */
#tc-pause-btn {
  width: 42px;
  height: 42px;
  font-size: 14px;
  border-radius: 10px;
}

/* ── Landscape-only visibility ───────────────────────────────────────────────── */
@media (orientation: portrait) {
  #touch-controls.tc-visible {
    /* Still show in portrait but smaller */
    opacity: 0.75;
  }
}

/* ── Touch zone overlay ──────────────────────────────────────────────────────── */
#tc-touch-zones {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 490;
  display: none;
}

#tc-touch-zones.tc-zones-visible {
  display: flex;
}

.tc-zone {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.tc-zone-left {
  background: rgba(80, 120, 255, 0.06);
  border-right: 1px dashed rgba(255, 255, 255, 0.15);
}

.tc-zone-right {
  background: rgba(255, 160, 80, 0.06);
}

.tc-zone-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.30);
  user-select: none;
  -webkit-user-select: none;
  letter-spacing: 1px;
}