:root{color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}body{margin:0;min-height:100vh;display:grid;place-items:start center;background:light-dark(#fafaf8,#101014);color:light-dark(#1a1a1a,#ececec)}.shell{width:min(40rem,92vw);padding:3rem 0 4rem}h1{font-size:2.4rem;margin:0 0 .25rem}.subtitle{margin:0 0 2rem;color:light-dark(#555,#a0a0a0)}.card{border:1px solid light-dark(#e2e2dc,#2a2a30);border-radius:10px;padding:1.25rem 1.5rem;margin-bottom:1.25rem;background:light-dark(#fff,#17171c)}.card h2{margin:0 0 .75rem;font-size:1.05rem}.fineprint{font-size:.8rem;color:light-dark(#888,#777);overflow-wrap:anywhere}.error{color:#c0392b}form{display:flex;gap:.5rem;margin-bottom:.75rem}input{flex:1;padding:.5rem .75rem;border-radius:6px;border:1px solid light-dark(#ccc,#3a3a42);background:transparent;color:inherit}button{padding:.5rem 1rem;border-radius:6px;border:none;background:#4361ee;color:#fff;cursor:pointer}ul{margin:0;padding-left:1.25rem}li{margin:.25rem 0}