:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#201526;color:#f5edf8}body{margin:0;min-height:100vh;display:grid;place-items:center;background:radial-gradient(ellipse at top,#412145,#201526 70%)}main{width:min(420px,calc(100vw - 64px));padding:32px;border:1px solid #715375;border-radius:12px;background:#2c1c32}img{max-width:130px;filter:brightness(0) invert(1)}h1{font-size:22px;font-weight:500}p{line-height:1.5;color:#d4c5d9}button{padding:12px 20px;border:0;border-radius:6px;background:#a84bb0;color:white;font-size:16px;cursor:pointer}button:disabled{opacity:.6}