body{font-family:system-ui;background:#0f172a;color:#fff;margin:0}.container{max-width:700px;margin:auto;padding:40px;text-align:center}.title{font-size:42px;font-weight:700}.subtitle{color:#94a3b8;margin-bottom:20px}textarea{width:100%;height:120px;padding:12px;border-radius:10px;border:none;margin-bottom:15px}button{background:#6366f1;color:#fff;padding:12px 20px;border-radius:10px;border:none;cursor:pointer}.card{background:#1e293b;padding:20px;border-radius:12px;margin-top:20px;text-align:left}.download a{display:inline-block;margin-top:20px;padding:10px 20px;background:#22c55e;border-radius:8px;color:#fff;text-decoration:none}footer{margin-top:40px;font-size:12px;color:#94a3b8}