#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"]{--cream:#14161a;--sand:#1a1d23;--paper:#1e222a;--tx:#e8eaee;--mu:#9aa3b0;--mu2:#828b98;--ln:rgba(255,255,255,.10);--ln2:rgba(255,255,255,.05);--or-tint:#2a1d12;--or-tx:#ff8a50;--or-dp:#ffa070;--sh-sm:0 1px 2px rgba(0,0,0,.3),0 2px 8px rgba(0,0,0,.3);--sh-md:0 2px 8px rgba(0,0,0,.35),0 8px 24px rgba(0,0,0,.35);--sh-lg:0 4px 16px rgba(0,0,0,.4),0 16px 48px rgba(0,0,0,.4)}[data-theme="dark"] body{background:var(--cream);color:var(--tx)}