body {
      background:   url("../img/Logo.jpg") no-repeat center center fixed;
      background-size: cover;
      -webkit-backdrop-filter: blur(5px);
      backdrop-filter: blur(5px);
      height: 100vh;
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .glass-card {
      background: rgba(39, 120, 79, 0.65); /* Couche bleu foncé semi-transparente */
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border-radius: 1.5rem;
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
      padding: 50px;
      width: 100%;
      max-width: 420px;
      color: white;
      text-align: center;
    }

    .glass-card h2 {
      margin-bottom: 30px;
      font-size: 1.8rem;
      font-weight: bold;
      color: #ffffff;
      text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6);
    }

    .form-control {
      background: rgba(255, 255, 255, 0.15);
      border: none;
      color: #fff;
      border-radius: 0.75rem;
    }

    .form-control::placeholder {
      color: #eee;
    }

    .form-control:focus {
      background: rgba(255, 255, 255, 0.25);
      color: #fff;
      border: none;
      box-shadow: 0 0 0 0.2rem rgba(34, 139, 34, 0.4);
    }

    .btn-custom {
      background: linear-gradient(to right, #228B22, #003366);
      border: none;
      border-radius: 2rem;
      font-weight: bold;
    }

    .btn-custom:hover {
      background: linear-gradient(to right, #1e6b1e, #002244);
    }

    .input-group-text {
      background: rgba(0, 0, 0, 0.2);
      border: none;
      color: white;
      border-radius: 0.75rem 0 0 0.75rem;
    }

    a.text-warning {
      text-decoration: underline;
    }