/* === Navbar Links === */
.nav-link {
    position: relative;
    transition: color 0.2s ease-in-out;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--bs-primary, #0d6efd);
    opacity: 0;
    transition: width 0.3s ease, opacity 0.2s ease, transform 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    opacity: 0.7;
}

.nav-link.active::after {
    left: 0;
    transform: none;
    width: 100%;
    opacity: 1;
}

/* === Offcanvas Nav === */
.offcanvas .navbar-nav {
    align-items: flex-start !important;
}

.offcanvas .nav-link {
    display: inline-block !important;
    width: auto !important;
    padding-left: 0;
    padding-right: 0;
}

/* === Form Validation === */
form.was-validated .input-group:has(input:valid) > .input-group-text {
    border: 1px solid var(--bs-success);
    color: var(--bs-success);
}

form.was-validated .input-group:has(input:invalid) > .input-group-text {
    border: 1px solid var(--bs-danger);
    color: var(--bs-danger);
}