/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html, body {
  width:100%; height:100%;
  overflow:hidden;
  background:#1a1a2e;
  font-family:'Press Start 2P', 'Courier New', monospace;
  image-rendering: pixelated;
  -ms-interpolation-mode: nearest-neighbor;
}

canvas {
  display:block;
  width:100%; height:100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
}

/* ── HUD ─────────────────────────────────────── */
#hud {
  position:fixed; top:0; left:0; right:0;
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 20px;
  color:#fff;
  font-size:14px;
  text-shadow: 2px 2px 0 #000;
  pointer-events:none;
  z-index:10;
}

#hud-score { color:#ffd700; }
#hud-dist  { color:#87ceeb; }
#hud-power {
  color:#ff69b4;
  animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
  from { transform: scale(1); }
  to   { transform: scale(1.2); }
}

/* ── Back button ─────────────────────────────── */
#btn-back {
  position:fixed; bottom:12px; left:12px;
  color:#888; text-decoration:none;
  font-size:12px;
  font-family:'Courier New', monospace;
  z-index:20;
  transition: color .2s;
}
#btn-back:hover { color:#fff; }

/* ── Overlays ────────────────────────────────── */
.ov {
  position:fixed; inset:0;
  display:flex; flex-direction:column;
  justify-content:center; align-items:center;
  background:rgba(10,10,30,0.92);
  color:#fff;
  z-index:100;
  padding:20px;
  text-align:center;
}

.ov.hidden { display:none; }

.ov-title {
  font-size: clamp(24px, 6vw, 48px);
  margin-bottom:16px;
  text-shadow: 3px 3px 0 #ff6b6b, 6px 6px 0 rgba(0,0,0,0.3);
  letter-spacing: 2px;
}

.ov-sub {
  font-size: clamp(11px, 2.5vw, 16px);
  color:#ccc;
  margin-bottom:20px;
  line-height:1.8;
}

.controls-info {
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 12px 24px;
  margin-bottom: 20px;
  font-size: clamp(10px, 2vw, 13px);
  line-height: 2;
  color: #ddd;
}

/* ── Character pick ──────────────────────────── */
.char-pick {
  display:flex; gap:10px;
  margin-bottom:20px;
  flex-wrap:wrap;
  justify-content:center;
}

.btn-char {
  padding:10px 16px;
  font-size: clamp(11px, 2.5vw, 14px);
  font-family:inherit;
  background: rgba(255,255,255,0.1);
  color:#fff;
  border:2px solid rgba(255,255,255,0.2);
  border-radius:8px;
  cursor:pointer;
  transition: all .2s;
}

.btn-char:hover { background:rgba(255,255,255,0.2); }

.btn-char.selected {
  background: rgba(255,200,50,0.3);
  border-color: #ffd700;
  box-shadow: 0 0 12px rgba(255,215,0,0.4);
}

/* ── Buttons ─────────────────────────────────── */
.btn-pill {
  padding:14px 36px;
  font-size:clamp(14px, 3vw, 18px);
  font-family:inherit;
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  color:#fff;
  border:none;
  border-radius:30px;
  cursor:pointer;
  box-shadow: 0 4px 15px rgba(238,90,36,0.4);
  transition: transform .15s, box-shadow .15s;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.3);
}

.btn-pill:hover {
  transform:scale(1.05);
  box-shadow: 0 6px 20px rgba(238,90,36,0.6);
}

.btn-pill:active {
  transform:scale(0.97);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width:500px) {
  #hud { font-size:11px; padding:6px 10px; }
  .controls-info { padding:8px 12px; }
}