#theme-toggle-btn{position:fixed;bottom:18px;left:18px;z-index:99999;width:42px;height:42px;border-radius:50%;border:1px solid rgba(125,125,125,.35);background:rgba(22,22,22,.78);color:#f2efe6;font-size:1.05rem;line-height:1;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.35);backdrop-filter:blur(6px)}[data-theme="dark"] #theme-toggle-btn{background:rgba(245,245,240,.9);color:#1a1a1a}
[data-theme="dark"]{--ink:#e8eae6;--mut:#9aa0a6;--line:#282b2f;--bg:#101113;--bg2:#17191c}[data-theme="dark"] body{background:var(--bg);color:var(--ink)}