.card {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.navbar {
    margin-bottom: 2rem;
}

.form-label {
    font-weight: 500;
}

.table {
    margin-bottom: 0;
}

.modal-body img {
    max-width: 100%;
    height: auto;
}

#searchInput {
    margin-top: 1rem;
}

.btn-action {
    margin: 0 0.2rem;
}

.alert {
    margin-top: 1rem;
}

.validation-error {
    border-color: #dc3545;
}

.validation-error:focus {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}