html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
    height: 100%;
}

.field-validation-error {
    color: red;
}

footer.footer {
    background-color: #f8f9fa; /* light gray */
    padding: 20px 0; /* increase vertical space */
    text-align: center;
    font-size: 1.1rem;
}

:root {
    --bg-color: #ffffff;
    --text-color: #212529;
    --nav-bg: #f8f9fa;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #f1f1f1;
    --nav-bg: #1e1e1e;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

nav.navbar {
    background-color: var(--nav-bg) !important;
    transition: background-color 0.3s;
}

.nav-link {
    color: var(--text-color) !important;
    transition: color 0.3s;
}

.navbar-brand img {
    transition: filter 0.3s;
}

/* Light/Dark logo swap (optional if you have 2 logos) */
[data-theme="dark"] .navbar-brand img {
    filter: brightness(0.8);
}