.form_box {
    background: rgba(255, 255, 255, 0.98);
    padding: 2.5rem;
    border-radius: 2rem;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.1);
}

.captcha-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: nowrap;
    justify-content: flex-start;
    margin-bottom: 1rem;
    padding: 0.25rem 0;
}

.captcha-group img {
    height: 45px;
    width: auto;
    min-width: 150px;
    border-radius: 0.5rem;
    background: #f5f5f5;
    padding: 0.2rem;
    flex: 0 0 auto;
    object-fit: contain;
}

.captcha-group input {
    max-width: 180px;
    flex: 1;
    min-width: 120px;
}

.captcha-group .refresh-btn {
    background: none;
    border: none;
    color: #6a14d1;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.captcha-group .refresh-btn:hover {
    color: #c82090;
    transform: rotate(180deg);
}

.captcha-group .refresh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.next_btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.disabled {
    opacity: 0.7 !important;
    cursor: not-allowed !important;
    background-color: #aaa !important;
}

.form_btn {
    margin-top: 2rem;
}

.form_btn button {
    transition: all 0.3s ease;
}

.form_btn button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-control {
    transition: all 0.3s ease;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(200, 32, 144, 0.25);
    border-color: #c82090;
}

.form-control.is-invalid {
    border-color: #dc3545;
    box-shadow: none;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.alert-info {
    background-color: #e8f4fd;
    border-left: 4px solid #0d6efd;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    color: #084298;
}