.form-control::placeholder {
    color: var(--primary);
}

.form-outline .form-control ~ .form-notch div {
    border: 1px solid var(--secondary);
}

.form-outline .form-control:focus ~ .form-notch .form-notch-leading {
    border-color: var(--secondary);
    box-shadow: -1px 0 0 0 var(--secondary), 0 1px 0 0 var(--secondary), 0 -1px 0 0 var(--secondary);
}

.form-outline .form-control:focus ~ .form-notch .form-notch-middle {
    border-color: var(--secondary);
    border-top-color: var(--secondary);
    box-shadow: 0 1px 0 0 var(--secondary);
    border-top: 1px solid transparent;
}

.form-outline .form-control:focus ~ .form-notch .form-notch-trailing {
    border-color: var(--secondary);
    box-shadow: 1px 0 0 0 var(--secondary), 0 -1px 0 0 var(--secondary), 0 1px 0 0 var(--secondary);
}

.form-outline .form-control:focus ~ .form-label {
    color: var(--secondary);
}

.form-check-label {
    color: var(--primary);
}

.form-check-label a {
    color: var(--secondary);
}

.form-check-label a:hover, .txt-register a:hover, .txt-pass a:hover, .txt-login a:hover {
    text-decoration: underline;
}

.form-check-input:checked:focus::before {
    box-shadow: 0 0 0 13px var(--secondary);
    transform: scale(1);
    transition: box-shadow .2s, transform .2s;
}

.form-check-input[type="checkbox"]:checked:focus {
    background-color: var(--secondary);
}

.form-check-input:checked:focus {
    border-color: var(--secondary);
}

.form-check-input:hover::before {
    opacity: .04;
    box-shadow: 0 0 0 13px var(--quaternary);
}

.form-check-input[type="checkbox"]:checked {
    background-image: none;
    background-color: var(--secondary);
}

.form-check-input:checked {
    border-color: var(--secondary);
}

.form-check-input:focus::before {
    opacity: .12;
    box-shadow: 0 0 0 13px var(--quaternary);
}

.form-check-input:checked {
    border-color: var(--secondary);
}

.form-check-input[type="radio"]:checked::after {
    border-color: var(--secondary) !important;
    background-color: var(--secondary) !important;
}

.form-check-input:checked:focus::before {
    box-shadow: 0 0 0 13px var(--secondary);
}

.form-check-input:checked:focus {
    border-color: var(--secondary);
}

.form-outline {
    --mdb-form-outline-select-notch-border-color: var(--secondary);
}

.form-select:focus {
    border-color: var(--secondary);
    box-shadow: inset 0px 0px 0px 1px var(--secondary);
}

.invalid-feedback {
    font-size: 9px !important;
    line-height: 5px;
}

/* Responsive Design for Forms */
@media (max-width: 768px) {
    .form-control {
        font-size: 14px;
        padding: 8px 12px;
    }
    
    .form-label {
        font-size: 14px;
    }
    
    .invalid-feedback {
        font-size: 8px !important;
    }
}

@media (max-width: 576px) {
    .form-control {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .form-label {
        font-size: 13px;
    }
    
    .form-check-label {
        font-size: 12px;
    }
    
    .invalid-feedback {
        font-size: 7px !important;
    }
}