/* Variables */
:root {
    --primary-color: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

/* Styles généraux */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Personnalisation des cartes */
.card {
    border: none;
    border-radius: 15px;
}

.card-body {
    border-radius: 15px;
}

/* Personnalisation des boutons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #004494;
    border-color: #004494;
    transform: translateY(-2px);
}

/* Personnalisation des inputs */
.form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 12px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
}

/* Animation des messages d'erreur */
.alert {
    border-radius: 8px;
    transition: all 0.3s ease;
}

.alert.d-none {
    opacity: 0;
    transform: translateY(-10px);
}

/* Responsive design */
@media (max-width: 768px) {
    .card-body {
        padding: 2rem !important;
    }
}