body {
      background: #121212;
      color: #e0e0e0;
      font-family: 'Inter', Arial, sans-serif;
      padding: 20px;
      max-width: 480px;
      margin: 10px auto;
      user-select: none;
    }

    /* Card Styles */
    .card {
      background: #222831;
      border-radius: 16px;
      padding: 24px 28px;
      margin-bottom: 24px;
    }

    /* Headings */
    h2, h3, h4 {
      margin: 0 0 12px 0;
      font-weight: 400;
      color: #00ff99;
      letter-spacing: 0.04em;
     
    }

    h2 {
      font-size: 1.8rem;
      margin-bottom: 10px;
      text-align: center;
    }

    h3 {
      font-size: 1.3rem;
      text-align: center;
    }

    h4 {
      font-size: 1.1rem;
      margin-top: 20px;
      border-bottom: 1px solid #00ff99;
      padding-bottom: 6px;
    }

    h5 {
      font-size: 0.8rem;
      text-align: center;
      color: #e0e0e0;
      font-weight: 100;
    }


    .label {
      font-weight: 600;
      color: #a0f0c4;
      display: inline-block;
      min-width: 140px;
      user-select: text;
    }

    span {
      user-select: text;
      font-weight: 500;
      color: #d6f7e7;
    }

    p, td {
      font-size: 0.95rem;
      line-height: 1.4;
      margin: 6px 0;
      word-wrap: break-word;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 8px;
    }

    td {
      padding: 6px 8px;
      color: #b5f0cb;
    }

    td:first-child {
      font-weight: 600;
      color: #00ff99;
      width: 80px;
    }

    /* Progress Bar */
    .bar-container {
      background: #333;
      border-radius: 12px;
      height: 24px;
      overflow: hidden;
      margin: 12px 0 8px 0;
      box-shadow: inset 0 2px 6px rgba(0,0,0,0.7);
    }

  
    .bar {
      height: 100%;
      width: 0%;
      border-radius: 12px 0 0 12px;
      transition: width 0.6s ease, background-color 0.5s ease;
      box-shadow: 0 0 12px rgba(0, 255, 153, 0.8);
    }

    .green { background-color: #00ff99; box-shadow: 0 0 15px #00ff99; }
    .yellow { background-color: #ffb347; box-shadow: 0 0 15px #ffb347; }
    .red { background-color: #ef5350; box-shadow: 0 0 15px #ef5350; }

    /* Button */
    button {
      background: linear-gradient(45deg, #00ff99, #00cc77);
      color: #121212;
      font-weight: 700;
      padding: 14px 0;
      border: none;
      border-radius: 12px;
      cursor: pointer;
      width: 100%;
      font-size: 1.1rem;
      margin-top: 20px;
      box-shadow: 0 5px 10px rgba(0, 255, 153, 0.5);
      transition: background 0.3s ease, box-shadow 0.3s ease;
      user-select: none;
    }

    button:hover {
      background: linear-gradient(45deg, #00cc77, #00ff99);
      box-shadow: 0 8px 20px rgba(0, 255, 153, 0.7);
    }

    details summary {
      list-style: none;
      cursor: pointer;
      color: #00ff99;
      font-weight: 700;
      font-size: 1.1rem;
      user-select: none;
      padding-left: 1.4em; 
      padding-bottom: 8px;
      display: block;
      border-bottom: 1px solid #00ff99;
      margin-bottom: 12px;
      position: relative; 
      transition: color 0.3s ease;
    }

    details summary::before {
      content: "▶";
      position: absolute;
      left: 0; 
      top: 0;
      color: #00ff99;
      transition: transform 0.3s ease;
    }

    details[open] summary::before {
      transform: rotate(90deg);
    }

    details summary::-webkit-details-marker {
      display: none;
    }

    .inputBTCStyle,
    .serverUrlStyle {
              display: block;
              margin-top: 4px;
              width: 100%;
              max-width: 400px;
              padding: 6px 10px;
              border-radius: 6px;
              border: 1px solid #00ff99;
              background: #181f1f;
              color: #00ff99;
              font-family: monospace;
    }
    .inputBTCStyle:focus,
    .serverUrlStyle:focus {   
      outline: none;
      border-color: #00ff99;
      box-shadow: 0 0 8px rgba(0, 255, 153, 0.5);
    }

    .percent-text {
      text-align: center;
      font-weight: 600;
      color: #00ff99;
      user-select: text;
    }

    .settings-container {
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding: 10px 0;
    }

    .input-label {
      color: #ccc;
      font-size: 0.95em;
    }

    .update-button {
      margin-top: 16px;
    }

    .odds-table {
      margin-top: 16px;
    }

    /* Responsiveness */
    @media (max-width: 500px) {
      body {
        padding: 14px;
        margin: 5px auto;
      }

      .card {
        padding: 15px 15px;
      }

      .label {
        min-width: 120px;
      }
    }