: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}}body{margin:0;font-family:Segoe UI,sans-serif;background:linear-gradient(to right,#e3f2fd,#fff);min-height:100vh;display:flex;align-items:center;justify-content:center}.container{background-color:#fff;border-radius:16px;padding:40px;box-shadow:0 12px 24px #0000001a;max-width:500px;text-align:center}h2{font-size:28px;color:#1976d2;margin-bottom:20px}input{padding:12px 16px;width:100%;border:2px solid #ccc;border-radius:8px;margin-bottom:20px;font-size:16px;transition:border-color .2s ease-in-out}input:focus{outline:none;border-color:#1976d2}button{padding:12px 24px;font-size:16px;color:#fff;background-color:#1976d2;border:none;border-radius:8px;cursor:pointer;transition:background .3s ease}button:hover{background-color:#1565c0}.error{margin-top:12px;color:#e53935;font-weight:500}