* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top, #1f2955 0%, #090d1f 55%, #05070f 100%);
  color: #eef2ff;
}
.wrap {
  max-width: 460px;
  margin: 0 auto;
  padding: 16px;
}
.topnav {
  margin-bottom: 10px;
  color: #c7d2fe;
}
.topnav a {
  color: #e9d5ff;
  text-decoration: none;
}
.topnav a:hover { text-decoration: underline; }
h1 { margin: 6px 0 4px; font-size: 1.6rem; }
.subtitle { margin: 0 0 12px; color: #c7d2fe; }
.hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}
.hud > div {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px;
  padding: 8px;
  text-align: center;
}
#game {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.2);
  background: linear-gradient(180deg, #0f1530 0%, #090d1f 100%);
  touch-action: none;
}
.controls {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}
button {
  background: #7c3aed;
  color: white;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 1rem;
  cursor: pointer;
}
button:hover { background: #6d28d9; }
.msg { margin: 0; color: #a5b4fc; min-height: 1.2rem; }