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

:root {
  --bg-dark: #0d0d12;
  --accent: #00f5d4;
  --accent-dim: #00b4a0;
  --danger: #f72585;
  --text: #e8e8e8;
  --brick-1: #ff6b6b;
  --brick-2: #4ecdc4;
  --brick-3: #ffe66d;
  --brick-4: #95e1d3;
  --brick-5: #dda0dd;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-dark);
  background-image: 
    radial-gradient(ellipse at 20% 80%, rgba(0, 245, 212, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(247, 37, 133, 0.06) 0%, transparent 50%);
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
}

.game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 800px;
  max-width: 100%;
}

.game-header h1 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.75rem;
  letter-spacing: 0.2em;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats {
  display: flex;
  gap: 2rem;
  font-size: 1rem;
}

.stats strong {
  color: var(--accent);
  font-family: 'Orbitron', sans-serif;
}

.game-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 
    0 0 0 2px rgba(0, 245, 212, 0.2),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

#gameCanvas {
  display: block;
  background: #12121a;
  width: 800px;
  max-width: 100%;
  height: 600px;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  background: rgba(13, 13, 18, 0.92);
  backdrop-filter: blur(8px);
  transition: opacity 0.3s ease;
}

.overlay.hidden {
  display: none;
}

.overlay h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.overlay p {
  font-size: 1rem;
  opacity: 0.9;
}

.overlay .controls {
  font-size: 0.9rem;
  opacity: 0.7;
}

.game-btn {
  padding: 0.9rem 2.5rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bg-dark);
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.game-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 245, 212, 0.35);
}

.game-btn:active {
  transform: translateY(0);
}

@media (max-width: 840px) {
  .game-header,
  #gameCanvas {
    width: 100%;
    max-width: 100%;
  }

  #gameCanvas {
    height: auto;
    aspect-ratio: 4 / 3;
  }

  .game-header h1 {
    font-size: 1.2rem;
    letter-spacing: 0.1em;
  }
}