html, body {
    margin: 0;
    padding: 0;
    font-family: 'VT323', monospace;
    background: linear-gradient(-45deg, #fcdff1, #afbefa, #f8d185, #7566ff);
    background-size: 400% 400%;
    animation: gradientMove 15s ease infinite;
    background-attachment: fixed;
  }
  
  @keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  .container {
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem 1rem;
    text-align: center;
  }
  
  .main-title {
    font-family: 'Press Start 2P', cursive;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 2rem;
    text-shadow:
      0 0 5px #ffffff,
      0 0 10px #ffffff,
      0 0 15px #fcdff1,
      0 0 25px #f2d798;
  }

  @media (max-width: 480px) {
    .main-title {
      text-shadow:
        0 0 3px #ffffff,
        0 0 6px #fcdff1;
    }
  }
  
  input[type="text"], input[type="time"] {
    font-family: 'VT323', monospace;
    padding: 6px;
    margin: 0.5rem;
  }
  
  .date-block {
    background: rgba(241, 223, 247, 0.9);
    padding: 1rem;
    margin: 1.5rem 0;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: left;
  }
  
  .time-range {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
  }
  
  .button-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 2rem 0;
  }
  
  .button {
    padding: 12px 24px;
    background-color: #f62def;
    color: white;
    font-family: 'VT323', monospace;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 10px;
  }
  
  .button:hover {
    background-color: #511de0;
    transform: scale(1.07);
    box-shadow:
      0 0 8px #f62def,
      0 0 16px #f62def,
      0 0 24px #f62def;
  }
  
  .cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
  }
  
  @keyframes blink {
    50% {
      opacity: 0;
    }
  }
  
  .error-message {
    color: red;
    font-size: 1rem;
    margin-top: 1rem;
  }

  @media (max-width: 600px) {
    .container {
      padding: 2rem 1rem;
    }
  
    .main-title {
      font-size: 1.2rem;
      margin-bottom: 1.5rem;
    }
  
    input[type="text"], input[type="time"] {
      width: 100%;
      font-size: 1rem;
    }
  
    .date-block {
      padding: 0.75rem;
      margin: 1rem 0;
    }
  
    .time-range {
      flex-direction: column;
      gap: 0.5rem;
    }
  
    .button {
      width: 100%;
      padding: 10px;
      font-size: 1rem;
    }
  
    .error-message {
      font-size: 0.9rem;
    }
  }