body{position:relative}
.theme-toggle{position:absolute;top:14px;right:max(14px, env(safe-area-inset-right, 0px));width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;background:var(--soft,var(--bg));color:var(--fg);border:1.5px solid var(--line);padding:0}
.theme-toggle:hover{border-color:var(--fg)}
.theme-toggle:focus-visible{outline:3px solid var(--fg);outline-offset:2px}
@media print{.theme-toggle{display:none}}