@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&display=swap");

:root {
  color-scheme: dark;
  font-family: "Orbitron", sans-serif;
  background: #02050d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at 50% 35%, #101e38, #02050d 70%);
}

canvas { display: block; }

#hud {
  position: fixed;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  padding: 24px 30px;
  text-shadow: 0 0 12px #27d9ff;
}

.brand { color: #27d9ff; font-size: clamp(16px, 2vw, 24px); letter-spacing: 0.18em; }
.stats { display: flex; gap: 28px; margin-top: 14px; color: #8da9c9; font-size: 12px; letter-spacing: 0.12em; flex-wrap: wrap; }
.stats b { color: #fff; font-size: 18px; margin-left: 6px; }
#weapon { color: #ffcf70; }
#help { position: absolute; bottom: 22px; left: 30px; color: #59799a; font-size: 11px; letter-spacing: 0.08em; }

#message {
  position: fixed;
  z-index: 3;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  background: #02050dcc;
  text-align: center;
}
#message.hidden { display: none; }
#message h1 { margin: 0; color: #ff3f8e; font-size: clamp(32px, 7vw, 70px); letter-spacing: 0.12em; text-shadow: 0 0 24px #ff3f8e; }
#message p { color: #b5cde3; }
button {
  cursor: pointer;
  border: 1px solid #27d9ff;
  padding: 12px 28px;
  color: #02111d;
  background: #27d9ff;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.1em;
  box-shadow: 0 0 22px #27d9ff88;
}
button:hover { background: #fff; }