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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.game-container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 600px;
  width: 90%;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.score-panel {
  display: flex;
  gap: 20px;
}

.score-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.label {
  font-size: 12px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.value {
  font-size: 24px;
  font-weight: bold;
  color: #333;
  margin-top: 5px;
}

.value.combo {
  color: #ff6b6b;
  text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
}

.btn-restart {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-restart:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.game-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  margin-bottom: 20px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 15px;
}

.block {
  aspect-ratio: 1;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 100%);
  border-radius: 10px;
}

.block:hover {
  transform: scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.block.exploding {
  animation: explode 0.5s ease-out forwards;
}

@keyframes explode {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}

.block.falling {
  animation: fall 0.3s ease-in;
}

@keyframes fall {
  from {
    transform: translateY(-100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.power-bar {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  height: 30px;
  position: relative;
  overflow: hidden;
}

.power-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: bold;
  color: #333;
  z-index: 2;
}

.power-fill {
  height: 100%;
  background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
  transition: width 0.3s ease;
  width: 0%;
  border-radius: 10px;
}

.tips {
  text-align: center;
  font-size: 14px;
  color: #666;
}

.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: particle-fly 1s ease-out forwards;
}

@keyframes particle-fly {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) scale(0);
    opacity: 0;
  }
}

@media (max-width: 600px) {
  .game-container {
    padding: 15px;
  }
  
  .score-panel {
    gap: 10px;
  }
  
  .value {
    font-size: 20px;
  }
  
  .game-board {
    gap: 5px;
  }
}