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

body {
  font-family: "Arial", sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: #1a202c;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 20px 80px 20px; 
  margin: 0;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  text-shadow: none;
  text-align: center;
  color: #2d3748;
}

.game-container {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border: 2px solid #e2e8f0;
}

.ball-container {
  width: 800px;
  height: 600px;
  background: #f7fafc;
  border: 3px solid #4299e1;
  border-radius: 12px;
  position: relative;
  margin: 20px auto;
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ball {
  width: 25px;
  height: 25px;
  background: #e53e3e;
  border-radius: 50%;
  position: absolute;
  box-shadow: 0 2px 8px rgba(229, 62, 62, 0.3);
  border: 2px solid #c53030;
}

.bar {
  width: 100px;
  height: 15px;
  background: #3182ce;
  border-radius: 8px;
  position: absolute;
  bottom: 10px;
  left: 350px;
  box-shadow: 0 2px 8px rgba(49, 130, 206, 0.3);
  border: 2px solid #2c5282;
}

.brick {
  width: 75px;
  height: 25px;
  position: absolute;
  border-radius: 4px;
  border: 2px solid #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.brick-row-1 {
  background: #f56565;
} 
.brick-row-2 {
  background: #ed8936;
} 
.brick-row-3 {
  background: #ecc94b;
} 
.brick-row-4 {
  background: #48bb78;
} 
.brick-row-5 {
  background: #4299e1;
} 
.brick-row-6 {
  background: #9f7aea;
}

.controls {
  text-align: center;
  margin: 20px 0;
}

.control-group {
  display: inline-block;
  margin: 0 15px;
  vertical-align: top;
}

button {
  background: #3182ce;
  color: white;
  border: none;
  padding: 12px 24px;
  margin: 5px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

button:hover {
  background: #2c5282;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

button:focus {
  outline: 3px solid #63b3ed;
  outline-offset: 2px;
}

button:active {
  transform: translateY(0);
}

.speed-control {
  background: #d69e2e;
}

.speed-control:hover {
  background: #b7791f;
}

.restart-btn {
  background: #e53e3e;
}

.restart-btn:hover {
  background: #c53030;
}

.info-panel {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.info-item {
  background: #f7fafc;
  padding: 15px 25px;
  border-radius: 8px;
  text-align: center;
  border: 2px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.info-label {
  font-size: 14px;
  color: #4a5568;
  margin-bottom: 5px;
  font-weight: 600;
}

.info-value {
  font-size: 24px;
  font-weight: bold;
  color: #2d3748;
}

.game-status {
  text-align: center;
  font-size: 18px;
  margin: 15px 0;
  min-height: 25px;
  color: #2d3748;
  font-weight: 600;
}

.instructions {
  background: #f7fafc;
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
  text-align: center;
  max-width: 600px;
  border: 2px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.instructions h3 {
  margin-bottom: 10px;
  color: #2d3748;
  font-size: 20px;
}

.instructions p {
  margin: 8px 0;
  color: #4a5568;
  line-height: 1.6;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  padding: 15px 0;
  background: #ffffff;
  border-top: 2px solid #e2e8f0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.footer-text {
  color: #4a5568;
  font-size: 14px;
  margin: 0;
  font-weight: 600;
}

.game-info {
  font-size: 12px;
  color: #718096;
  margin: 2px 0 0 0;
}

.external-button {
  position: fixed;
  top: 100px;
  right: 100px;
  z-index: 1001;
}

.external-button .back-to-index {
  background: #e53e3e;
  padding: 12px 24px;
  font-size: 16px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

.external-button .back-to-index:hover {
  background: #c53030;
  box-shadow: 0 6px 16px rgba(229, 62, 62, 0.4);
}

.footer {
  background-color: #1a1a1a;
  color: #f1f1f1;
  padding: 1rem 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto; 
  padding: 0 1.5rem; 
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-left {
  font-weight: 500;
}

.footer-right a {
  color: #f1f1f1;
  margin-left: 1.5rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-right a:hover {
  color: #0e76a8; 
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: 10px;
    padding: 0 20px;
  }

  .footer-info {
    align-items: center;
    text-align: center;
  }

  .external-button {
    top: 10px;
    right: 10px;
  }

  .external-button .back-to-index {
    padding: 8px 16px;
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  .ball-container {
    width: 90vw;
    max-width: 800px;
    height: 60vh;
    min-height: 400px;
  }

  h1 {
    font-size: 2rem;
  }

  .game-container {
    padding: 20px;
    margin: 0 10px;
  }
}

.brick.destroyed {
  animation: brickDestroy 0.3s ease-out;
}

@keyframes brickDestroy {
  0% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
  50% {
    transform: scale(1.2) rotate(10deg);
    opacity: 0.7;
  }
  100% {
    transform: scale(0) rotate(45deg);
    opacity: 0;
  }
}