.site-theme-toggle--floating {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--site-theme-toggle-light-border, var(--site-accent, #f47b20));
    border-radius: 999px;
    background: var(--site-surface, #fff);
    color: var(--site-text-strong, #222);
    box-shadow: 0 0.4rem 1.4rem rgba(0, 0, 0, 0.2);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

html.dark .site-theme-toggle--floating {
    border-color: var(--site-theme-toggle-border, var(--site-border, #444));
    background: var(--site-theme-toggle-background, var(--site-surface-raised, #292929));
    color: var(--site-theme-toggle-text, var(--site-text-strong, #f1f5f9));
}

.site-theme-toggle--floating:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.65rem 1.7rem rgba(0, 0, 0, 0.25);
}

.site-theme-toggle--floating:focus-visible {
    outline: 3px solid var(--site-accent, #f47b20);
    outline-offset: 3px;
}

.site-theme-toggle__icon {
    font-size: 1.1rem;
    line-height: 1;
}

@media (prefers-reduced-motion: reduce) {
    .site-theme-toggle--floating {
        transition: none;
    }
}