body {
      font-family: "Segoe UI", sans-serif;
      background: #f0f2f5;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      margin: 0;
    }

    @media (max-width: 768px) {
      body {
        align-items: flex-start;
        padding-top: 20px;
        height: auto;
        min-height: 100vh;
      }
    }

    .container {
      background: white;
      padding: 30px 25px;
      border-radius: 10px;
      box-shadow: 0 0 15px rgba(0,0,0,0.1);
      max-width: 360px;
      width: 100%;
      text-align: center;
      position: relative;
      margin: 20px 0;
    }
    
    @media (max-width: 768px) {
      .container {
        margin: 20px 15px;
        width: calc(100% - 30px);
      }
      
      body {
        align-items: flex-start;
        padding-top: 20px;
        padding-bottom: 20px;
        min-height: 100vh;
        box-sizing: border-box; 
      }
    }

    .logo {
      max-width: 180px;
      margin-bottom: 10px;
    }

    .empresa {
      color: #888;
      font-size: 14px;
      margin-bottom: 20px;
    }

    #qrcode {
      margin: 15px auto;
    }

    .pix-info {
      font-size: 15px;
      color: #333;
      margin-top: 10px;
    }

    .pix-key {
      font-size: 16px;
      font-weight: bold;
      margin: 10px 0;
      background: #f2f2f2;
      padding: 8px;
      border-radius: 6px;
      user-select: all;
      word-break: break-word;
      overflow-wrap: break-word;
    }

    .btn {
      margin-top: 15px;
      padding: 10px 20px;
      background: #007bff;
      color: white;
      border: none;
      border-radius: 6px;
      font-size: 15px;
      cursor: pointer;
      width: 100%;
    }

    .btn:hover {
      background: #0056b3;
    }

    .tooltip {
      margin-top: 8px;
      background: #28a745;
      color: white;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 13px;
      opacity: 0;
      transition: opacity 0.3s ease;
      max-width: 100%;
      white-space: nowrap;
    }

    .tooltip.show {
      opacity: 1;
    }

    .detalhes {
      margin-top: 20px;
      font-size: 14px;
      color: #555;
      line-height: 1.6;
    }