* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  width: 100%; height: 100%;
  background: #050508; overflow: hidden;
  cursor: none; user-select: none;
  -webkit-user-select: none;
  display: flex; align-items: center; justify-content: center;
}
body.touch-device {
  cursor: auto;
  align-items: flex-start;
  justify-content: center;
}
#screen-wrap {
  position: relative;
  border-radius: 18px / 14px;
  overflow: hidden;
  box-shadow:
    0 0 40px 4px rgba(80, 120, 255, 0.10),
    0 0 90px 16px rgba(80, 120, 255, 0.06),
    0 0 160px 30px rgba(60, 80, 200, 0.03),
    inset 0 0 60px 8px rgba(0,0,0,0.4);
}
canvas#game {
  image-rendering: auto;
  display: block;
  position: relative;
  z-index: 1;
}
canvas#glow {
  image-rendering: auto;
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 2;
  mix-blend-mode: screen;
  opacity: 0.08;
  filter: blur(1px) brightness(1.05);
}
#scanlines {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(
      0deg,
      rgba(0,0,0,0.04) 0px,
      rgba(0,0,0,0.04) 1px,
      transparent 1px,
      transparent 3px
    );
  pointer-events: none; z-index: 3;
  animation: scanroll 8s linear infinite;
}
@keyframes scanroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 3px; }
}
#crt {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.3) 100%);
  pointer-events: none; z-index: 4;
}
#aberration {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 5;
  mix-blend-mode: screen;
  opacity: 0.04;
  background:
    linear-gradient(90deg, rgba(255,0,0,0.08) 0%, transparent 3%, transparent 97%, rgba(0,100,255,0.08) 100%),
    linear-gradient(0deg, rgba(255,0,0,0.04) 0%, transparent 2%, transparent 98%, rgba(0,100,255,0.04) 100%);
}
#phosphor-line {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  pointer-events: none; z-index: 6;
  background: linear-gradient(90deg, transparent, rgba(180,220,255,0.06), transparent);
  animation: phosphor-sweep 4s ease-in-out infinite;
  opacity: 0.7;
}
@keyframes phosphor-sweep {
  0% { top: -1%; }
  100% { top: 101%; }
}

/* ── Touch Controls ── */

#touch-controls {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 100;
  pointer-events: none;
  touch-action: none;
  -webkit-touch-callout: none;
}
.touch-device #touch-controls { display: block; }

#touch-meta {
  position: fixed;
  top: 8px; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 24px;
  pointer-events: none;
  z-index: 101;
}

.touch-meta-btn {
  pointer-events: auto;
  min-width: 72px;
  height: 34px;
  border-radius: 6px;
  border: 2px solid rgba(255, 215, 0, 0.6);
  background: rgba(10, 10, 42, 0.75);
  color: #FFD700;
  font: bold 13px monospace;
  letter-spacing: 1px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.touch-meta-btn:active, .touch-meta-btn.active {
  background: rgba(255, 215, 0, 0.25);
  border-color: #FFD700;
}

#touch-gameplay {
  position: fixed;
  bottom: 12px; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 16px;
  pointer-events: none;
}

/* ── D-Pad ── */

#touch-dpad {
  display: grid;
  grid-template-columns: 52px 52px 52px;
  grid-template-rows: 52px 52px 52px;
  gap: 2px;
  pointer-events: none;
}

.dpad-btn {
  pointer-events: auto;
  border: 2px solid rgba(255, 255, 255, 0.35);
  background: rgba(10, 10, 42, 0.7);
  border-radius: 8px;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 16px;
  line-height: 1;
}
.dpad-btn:active, .dpad-btn.active {
  background: rgba(57, 255, 20, 0.25);
  border-color: #39FF14;
}

.dpad-center {
  background: rgba(10, 10, 42, 0.5);
  border-radius: 4px;
}

.dpad-up    { grid-column: 2; grid-row: 1; }
.dpad-left  { grid-column: 1; grid-row: 2; }
.dpad-center { grid-column: 2; grid-row: 2; }
.dpad-right { grid-column: 3; grid-row: 2; }
.dpad-down  { grid-column: 2; grid-row: 3; }

.dpad-up::after    { content: '\25B2'; }
.dpad-down::after  { content: '\25BC'; }
.dpad-left::after  { content: '\25C0'; }
.dpad-right::after { content: '\25B6'; }

/* ── Action Buttons ── */

#touch-actions {
  display: grid;
  grid-template-columns: 56px 56px;
  grid-template-rows: 56px 56px;
  gap: 6px;
  pointer-events: none;
  margin-bottom: 4px;
}

.action-btn {
  pointer-events: auto;
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid;
  font: bold 16px monospace;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
.action-btn:active, .action-btn.active {
  filter: brightness(1.5);
  transform: scale(0.93);
}

.action-a {
  grid-column: 1; grid-row: 2;
  background: rgba(196, 30, 58, 0.55);
  border-color: rgba(196, 30, 58, 0.8);
  color: #FF6B84;
}
.action-s {
  grid-column: 2; grid-row: 1;
  background: rgba(0, 71, 171, 0.55);
  border-color: rgba(0, 71, 171, 0.8);
  color: #6BAAFF;
}
.action-d {
  grid-column: 2; grid-row: 2;
  background: rgba(234, 162, 33, 0.55);
  border-color: rgba(234, 162, 33, 0.8);
  color: #FFD700;
}

/* ── Landscape phones: shrink controls ── */
@media (max-height: 420px) {
  #touch-dpad {
    grid-template-columns: 42px 42px 42px;
    grid-template-rows: 42px 42px 42px;
  }
  #touch-actions {
    grid-template-columns: 48px 48px;
    grid-template-rows: 48px 48px;
  }
  .action-btn { width: 48px; height: 48px; }
  .touch-meta-btn { min-width: 60px; height: 28px; font-size: 11px; }
  #touch-gameplay { bottom: 6px; padding: 0 10px; }
}