* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', sans-serif;
    }

    body {
      background-color: #121b25;
      color: #fff;
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .box {
      background-color: #1f2b38;
      border-radius: 16px;
      padding: 30px 20px;
      width: 100%;
      max-width: 400px;
      text-align: center;
      box-shadow: 0 0 15px rgba(0,0,0,0.3);
    }

    .telegram-logo {
      width: 90px;
      height: 90px;
      margin-bottom: 10px;
      border-radius: 50%;
      padding: 8px;
    }

    .channel-name {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .members {
      color: #9aa6b2;
      font-size: 14px;
      margin-bottom: 20px;
    }

    .description {
      font-size: 15px;
      color: #cdd5dc;
      margin-bottom: 30px;
      line-height: 1.5;
    }

    .join-button {
      background-color: #229ED9;
      color: white;
      padding: 12px 0;
      border-radius: 10px;
      font-weight: 600;
      font-size: 16px;
      cursor: pointer;
      transition: background 0.3s;
    }

    .join-button:hover {
      background-color: #1b8fc8;
    }