* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  background: #0d1117;
  color: #e6edf3;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#game-wrap {
  position: relative;
  width: 900px;
  max-width: 100vw;
  aspect-ratio: 9 / 4;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(#1b2735 0%, #243b55 100%);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  touch-action: none;
}

#hud {
  position: absolute;
  top: 14px;
  left: 18px;
  right: 18px;
  display: flex;
  gap: 22px;
  font-weight: 600;
  font-size: 18px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

.hud-item span { color: #ffd23f; }

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  background: rgba(13, 17, 23, 0.82);
  border-radius: 12px;
  backdrop-filter: blur(2px);
}

.overlay.hidden { display: none; }

.overlay h1 {
  font-size: 38px;
  margin-bottom: 10px;
}

.emoji { font-size: 32px; }

.tag {
  color: #9aa7b4;
  max-width: 520px;
  margin-bottom: 18px;
}

.legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 26px;
  text-align: left;
  font-size: 15px;
  margin-bottom: 18px;
}

.legend .ic { display: inline-block; width: 24px; }

.start-hint { color: #c9d4e0; font-size: 15px; }
.start-hint b { color: #ffd23f; }

.result { font-size: 20px; margin: 4px 0; }
.result span { color: #ffd23f; font-weight: 700; }