.captcha-container {
    padding: 30px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-image {
    border: 2px solid #dee2e6;
    border-radius: 5px;
    background: white;
    padding: 5px;
}

.captcha-operator {
    font-size: 20px;
    color: #6c757d;
    font-weight: bold;
}
.form-control.error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25) !important;
}

.alert {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}