body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(to top, #000, #222);
      color: #ccc;
      margin: 0;
      padding: 20px;
    }

    h1, h2 {
      text-align: left;
      color: #ffffff;
    }

    button {
      background-color: #b30000;
      color: white;
      border: none;
      padding: 12px 24px;
      margin: 10px 5px;
      border-radius: 12px;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s, transform 0.2s;
    }

    button:hover {
      background-color: #d11a2a;
      transform: scale(1.05);
    }

    input[type="number"] {
      width: 100%;
      padding: 10px;
      margin: 8px 0 20px 0;
      display: inline-block;
      border: 2px solid #b30000;
      border-radius: 10px;
      box-sizing: border-box;
      font-size: 16px;
    }

    label {
      font-weight: bold;
      color: #ccc;
      display: block;
      margin-top: 15px;
    }

    #bleState {
      font-weight: bold;
      font-size: 18px;
    }

    .container {
      max-width: 500px;
      margin: 0 auto;
      padding: 30px;
      background: #000;
      border-radius: 20px;
      box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    margin-bottom:40px;
    }

    p, span {
      font-size: 16px;
    }

    #valueContainer, #timestamp, #valueSent {
      font-weight: bold;
      color: #ccc;
    }
    .big {font-size: 18px;
    font-weight: bold;}

    a {background-color: #d13a30; color: white; 
    padding: 8px 16px;
    margin: 10px 5px;
      border-radius: 10px;
      text-decoration: none;
  display: inline-block; 
  font-size: 16px;
transition: background-color 0.3s, transform .5s;

    }
    a:hover {background-color: #4d0000;
    transform:scale(1.05);}
    .biglink{
        padding: 12px 24px;
        font-size: 16px;
        background-color: #b30000;
    }
    
.form {
  padding: 0;
  overflow: hidden;
}