/* General Styles */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background-color: #f0f2f5;
  background-image: subtle-noise-texture.png;
}

.container {
  text-align: center;
  background-color: #ffffff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 500px;
}

h1 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 30px;
}

.lotto-numbers {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.number {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  background-color: #f0f2f5;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

#generate-btn {
  background: linear-gradient(45deg, #6a11cb, #2575fc);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

#generate-btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 20px;
  }
  h1 {
    font-size: 2rem;
  }
  .number {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }
  #generate-btn {
    padding: 12px 25px;
    font-size: 1rem;
  }
}