:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0}body{background:#0d0d1a;color:#fff;font-family:monospace}.app{min-height:100vh;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid #2a2a4a}header h1{font-size:22px;color:#f46}main.centered{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:40px}h2{font-size:28px;color:#aaf}p{color:#ccc;line-height:1.6;text-align:center}.form{display:flex;gap:12px;align-items:center}input{background:#1a1a2e;border:1px solid #3a3a6e;border-radius:6px;color:#fff;padding:10px 16px;font-family:monospace;font-size:14px;width:160px}button{background:#f46;border:none;border-radius:6px;color:#fff;padding:10px 20px;cursor:pointer;font-family:monospace;font-size:14px}button:disabled{opacity:.4;cursor:not-allowed}button:hover:not(:disabled){background:#f68}