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

:root {
  --primary-dark: #1a1a2e;
  --secondary-dark: #16213e;
  --accent-pink: #e94560;
  --light-pink: #ffb6c1;
  --gold: #f39c12;
  --text-light: #ecf0f1;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
  color: var(--text-light);
  min-height: 100vh;
  padding: 1rem;
}

.game-header {
  text-align: center;
  margin-bottom: 2rem;
  padding: 2rem 1rem;
  background: rgba(233, 69, 96, 0.1);
  border-radius: 1rem;
  border-bottom: 3px solid var(--accent-pink);
}

.game-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, var(--accent-pink), var(--light-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.125rem;
  color: var(--light-pink);
  font-weight: 500;
}

.game-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.game-container {
  background: var(--secondary-dark);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  background: #1a1a2e;
}

.game-info {
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 182, 193, 0.2);
}

.info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.score-display,
.lives-display,
.level-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: rgba(233, 69, 96, 0.1);
  border-radius: 0.5rem;
  border-left: 3px solid var(--accent-pink);
}

.label {
  font-weight: 600;
  color: var(--light-pink);
}

.value {
  font-weight: bold;
  font-size: 1.25rem;
  color: var(--gold);
}

.power-up-info {
  padding: 0.75rem;
  background: rgba(243, 156, 18, 0.1);
  border-radius: 0.5rem;
  border-left: 3px solid var(--gold);
}

.power-up-label {
  display: block;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.power-up-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.power-up-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), #ffed4e);
  border-radius: 4px;
  transition: width 0.1s ease-out;
}

.game-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.controls-section {
  background: rgba(233, 69, 96, 0.05);
  border: 1px solid rgba(233, 69, 96, 0.2);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.controls-section h2 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
  color: var(--light-pink);
  border-bottom: 1px solid rgba(255, 182, 193, 0.3);
  padding-bottom: 0.5rem;
}

.instructions {
  list-style: none;
}

.instructions li {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.instructions strong {
  color: var(--accent-pink);
}

.button-group {
  display: grid;
  gap: 0.75rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-pink), #c0234e);
  color: white;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.6);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: rgba(255, 182, 193, 0.2);
  color: var(--light-pink);
  border: 1px solid var(--light-pink);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 182, 193, 0.3);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-link {
  background: transparent;
  color: var(--light-pink);
  border: 1px solid var(--light-pink);
  text-decoration: none;
}

.btn-link:hover {
  background: rgba(255, 182, 193, 0.1);
}

.game-status {
  font-size: 0.95rem;
  line-height: 1.6;
}

.game-message {
  font-size: 1.125rem;
  font-weight: bold;
  color: var(--gold);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.game-footer {
  text-align: center;
  margin-top: 2rem;
  padding: 1rem;
  color: rgba(255, 182, 193, 0.7);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .game-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .game-header h1 {
    font-size: 1.75rem;
  }

  .info-row {
    grid-template-columns: 1fr;
  }

  .game-controls {
    gap: 1rem;
  }

  .controls-section {
    padding: 1rem;
  }

  .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem;
  }

  .game-header {
    padding: 1rem 0.5rem;
    margin-bottom: 1rem;
  }

  .game-header h1 {
    font-size: 1.5rem;
  }

  .tagline {
    font-size: 1rem;
  }
}