body {
    background-color: #f7faff;
    font-family: 'Segoe UI', sans-serif;
}
.navbar {
    background-color: #007bff;
}
.navbar-brand, .nav-link {
    color: white !important;
}
.nav-link:hover {
    text-decoration: underline;
}
.card {
    margin: 20px auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h2, h3 {
    color: #0056b3;
}
.btn-primary {
    background-color: #007bff;
    border: none;
    border-radius: 25px;
    padding: 10px 20px;
}
.btn-primary:hover {
    background-color: #0056b3;
}
footer {
    background: #007bff;
    color: white;
    padding: 15px;
    text-align: center;
    margin-top: 50px;
}

/* Amélioration responsive */
@media (max-width: 768px) {
  .table-responsive { overflow-x: auto; }
  .card, form, .container { padding: 0.5rem !important; }
  h2, h4, h5 { font-size: 1.2rem; }
  .btn, .form-control { font-size: 0.9rem; }
}

/* =====================
   Améliorations Mobile
   ===================== */

@media (max-width: 576px) {
  body {
    font-size: 15px;
  }

  h1, h2, h3, h4 {
    font-size: 1.2rem;
  }

  .form-control, .btn, label {
    font-size: 0.95rem;
  }

  .card, form, .container {
    padding: 0.8rem !important;
  }

  input[type="radio"] {
    transform: scale(0.9);
    margin-right: 5px;
  }

  .navbar-brand {
    font-weight: bold;
    font-size: 1rem;
    color: white !important;
  }

  .navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }

  .table-responsive {
    overflow-x: auto;
  }

  .btn-lg {
    font-size: 1rem;
    padding: 0.5rem 1.2rem;
  }
}

/* Pour tous les écrans */
.navbar-brand img {
  max-height: 30px;
  margin-right: 10px;
}