.theme-switcher{display:flex;justify-content:center;gap:.5rem}.tree{margin:1.5rem auto;max-width:32rem;font-family:monospace;font-size:.85rem;line-height:1.8;opacity:.8}.theme-box{padding:2rem 1.5rem;border-radius:.75rem;text-align:center;transition:background .3s,color .3s}.theme-box .icon{display:block;font-size:2.5rem}.theme-light{background:linear-gradient(135deg,#fef9c3,#e0f2fe);color:#0f172a}.theme-light code{color:#0f172a;background:#00000014}.theme-dark{background:linear-gradient(135deg,#0f172a,#312e81);color:#f8fafc;border:1px solid #334155}