body { background: #121212; color: #eee; font-family: sans-serif; margin:0; }
a { color:#00bfff; }
.container { max-width:600px; margin:50px auto; padding:20px; background:#1e1e1e; border-radius:12px; box-shadow:0 0 15px rgba(0,0,0,0.5); }
input, button { display:block; width:100%; padding:10px; margin-top:10px; border-radius:6px; border:none; font-size:1rem; }
button { background:#00bfff; color:#fff; cursor:pointer; }
button:hover { background:#009acd; }