html[data-theme=dark]{color-scheme:dark}
.theme-toggle{border:1px solid rgba(128,144,160,.45);background:transparent;color:inherit;border-radius:999px;padding:6px 12px;font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}
.theme-toggle:hover{background:rgba(128,144,160,.18)}