/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f7fc;
  }
  
  /* Header Styles */
  header {
    background-color: #4CAF50;
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  header h1 {
    font-size: 28px;
    font-weight: 600;
  }
  
  /* Main Section Styles */
  main {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 40px auto;
  }
  
  .content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    text-align: center;
  }
  
  .button-group {
    display: flex;
    gap: 20px;
    justify-content: center;
  }
  
  button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    border-radius: 8px;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }
  
  button:hover {
    background-color: #45a049;
    transform: scale(1.05);
  }
  
  button:focus {
    outline: none;
  }
  
  /* Skin Health Module Card */
  #YMK-module {
    width: 100%;
    max-width: 600px;
    margin-top: 30px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
  }
  
  #YMK-module:hover {
    transform: scale(1.02);
  }
  
  /* Result Display Area */
  #result {
    margin-top: 20px;
    padding: 15px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
  }
  
  /* Footer Styles */
  footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
  }
  
  footer p {
    font-size: 14px;
  }
  
  /* Responsive Styles */
  @media (max-width: 768px) {
    header h1 {
      font-size: 24px;
    }
  
    .button-group {
      flex-direction: column;
      gap: 15px;
    }
  
    .content {
      text-align: center;
      gap: 15px;
    }
  }