.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: .65rem;
    border: 1px solid var(--theme-toggle-border, rgba(129, 140, 248, 0.25));
    background: var(--theme-toggle-bg, rgba(99, 102, 241, 0.12));
    color: var(--theme-toggle-color, inherit);
    cursor: pointer;
    font-size: 1.15rem;
    line-height: 1;
    transition: background .2s ease, border-color .2s ease, transform .15s ease;
}

.theme-toggle:hover {
    background: var(--theme-toggle-bg-hover, rgba(99, 102, 241, 0.2));
    transform: translateY(-1px);
}

.theme-toggle--floating {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1100;
}

.admin-topbar .theme-toggle,
.l-nav-auth .theme-toggle {
    width: 38px;
    height: 38px;
}