body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  transition: background-color 0.3s, color 0.3s;
}

body.dark {
  background: #181c1f;
  color: #f0f0f0;
}

body.light-mode {
  background: #f0f0f0;
  color: #222;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 60px;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #c62828;
  font-size: 2.5em;
}

body.dark h1 {
  color: #ef5350;
}

.game-info {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

body.dark .game-info {
  background: #23272a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.score-section {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.score-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.score-label {
  font-size: 0.9em;
  color: #666;
  font-weight: 600;
}

body.dark .score-label {
  color: #aaa;
}

.score-value {
  font-size: 1.8em;
  font-weight: bold;
  color: #c62828;
}

body.dark .score-value {
  color: #ef5350;
}

.start-btn,
.restart-btn {
  padding: 12px 24px;
  background: #c62828;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.start-btn:hover,
.restart-btn:hover {
  background: #b71c1c;
  transform: translateY(-2px);
}

.game-area {
  position: relative;
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
}

body.dark .game-area {
  background: #23272a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

#gameCanvas {
  border: 3px solid #c62828;
  border-radius: 8px;
  background: #1a0a0a;
  cursor: pointer;
}

body.dark #gameCanvas {
  border-color: #ef5350;
}

.game-over {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

body.dark .game-over {
  background: rgba(35, 39, 42, 0.95);
  color: #f0f0f0;
}

.game-over h2 {
  margin-top: 0;
  color: #c62828;
  font-size: 2em;
}

body.dark .game-over h2 {
  color: #ef5350;
}

.game-over p {
  font-size: 1.2em;
  margin: 20px 0;
  color: #666;
}

body.dark .game-over p {
  color: #aaa;
}

.hidden {
  display: none;
}

.instructions {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

body.dark .instructions {
  background: #23272a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.instructions p {
  margin: 0;
  color: #666;
  font-size: 1em;
  line-height: 1.6;
}

body.dark .instructions p {
  color: #aaa;
}

@media (max-width: 900px) {
  #gameCanvas {
    width: 100%;
    height: auto;
  }
  .game-info {
    flex-direction: column;
    align-items: stretch;
  }
  .score-section {
    justify-content: space-around;
  }
}