body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  background-color: #0a0a0a;
  color: white;
}
h1 {
  margin-bottom: 20px;
  animation: glow 2s infinite alternate;
  text-shadow: 0 0 5px #4CAF50, 0 0 10px #4CAF50, 0 0 20px #4CAF50;
}
@keyframes glow {
  0% { text-shadow: 0 0 5px #4CAF50, 0 0 10px #4CAF50, 0 0 20px #4CAF50; }
  100% { text-shadow: 0 0 10px #4CAF50, 0 0 20px #4CAF50, 0 0 30px #4CAF50; }
}
.array-container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 300px;
  width: 80%;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(30, 30, 30, 0.6);
  backdrop-filter: blur(15px);
  margin-bottom: 20px;
  padding: 10px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
.bar {
  margin: 0 2px;
  background-color: #3498db;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}
.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
button, select {
  padding: 10px 15px;
  font-size: 16px;
  cursor: pointer;
  border: none;
  border-radius: 999em;
  background: rgba(30, 30, 30, 0.6);
  color: white;
  text-shadow: 0 0 5px #4CAF50;
  box-shadow: 0px 0px 20px 4px #4CAF50;
  backdrop-filter: blur(10px);
  transition: transform 0.1s ease;
}
button:active {
  transform: scale(0.95);
}
.complexity-container {
  background: rgba(30, 30, 30, 0.6);
  border-radius: 15px;
  padding: 15px;
  width: 300px;
  text-align: center;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  margin-top: 20px;
  font-size: 16px;
}
.slider-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}
.slider-label {
  font-size: 14px;
  color: #4CAF50;
}