:root {
  color-scheme: dark;
  --bg: #0f0f14;
  --panel: #141621;
  --ink: #e8e8f0;
  --muted: #a0a2b5;
  --accent: #7dd3a7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top, #1c1b28, var(--bg));
  color: var(--ink);
  min-height: 100vh;
}

.topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  justify-content: space-between;
  align-items: center;
}

.topbar h1 {
  margin: 0 0 6px;
  font-size: 2.2rem;
}

.topbar p {
  margin: 0;
  color: var(--muted);
}

.legend {
  background: rgba(20, 22, 33, 0.85);
  border: 1px solid rgba(125, 211, 167, 0.35);
  border-radius: 12px;
  padding: 12px 16px;
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
}

.stage {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 20px 40px;
  position: relative;
}

#game {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(125, 211, 167, 0.25);
  background: #12121a;
}

.hud {
  position: absolute;
  left: 32px;
  bottom: 28px;
  display: grid;
  gap: 6px;
  background: rgba(14, 15, 22, 0.8);
  border-radius: 12px;
  padding: 10px 14px;
  border: 1px solid rgba(125, 211, 167, 0.3);
  font-size: 0.9rem;
  color: var(--muted);
}

.hud strong {
  color: var(--ink);
}

.message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

@media (max-width: 700px) {
  .hud {
    position: static;
    margin-top: 12px;
  }
  .message {
    position: static;
    margin-top: 12px;
  }
}