body {
      background: linear-gradient(135deg, #0f0f0f, #1a1a1a);
      color: #f8f9fa;
      font-family: 'Segoe UI', sans-serif;
    }
    .pr {
      color: #f8f9fa;
    }
    .main-title {
      font-size: 2.5rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 2rem;
      text-transform: uppercase;
      color: #ff0707;
    }

    .nav-tabs .nav-link {
      color: #fff;
    }

    .nav-tabs .nav-link.active {
      background-color: #ff0707;
      color: #000;
      font-weight: bold;
    }

    .card {
      background-color: #ffffff;
      border-radius: 12px;
      padding: 20px;
      margin-bottom: 2rem;
      box-shadow: 0 0 10px rgba(255, 193, 7, 0.2);
    }

    .form-check-label{
      color: #fd0000;
    }
    .form-label {
      font-weight: 500;
      color: #f8f9fa;
    }

    .btn-custom {
      background-color: #fd0000;
      color: #000;
      font-weight: bold;
      border: none;
      transition: 0.3s;
    }

    .btn-custom:hover {
      background-color: #e00000;
      color: #fff;
    }

    table {
      color: #fff;
    }

    th {
      background-color: #343a40;
    }

    h5, h6 {
      margin-top: 2rem;
      color: #ff0707;
    }

    .toast-container {
      position: fixed;
      top: 1rem;
      right: 1rem;
      z-index: 9999;
    }

    .toast {
      background-color: #212529;
      color: #fff;
    }