body{font-family:Arial;background:#f4f6ff;text-align:center}
.header{background:linear-gradient(120deg,#5f2cff,#00c6ff);color:#fff;padding:20px}
.container{background:#fff;margin:40px auto;padding:40px;border-radius:15px;width:90%;max-width:900px;box-shadow:0 10px 30px rgba(0,0,0,.1)}
textarea{width:100%;height:180px;margin:15px 0;padding:15px;border-radius:10px;border:1px solid #ddd;font-family:monospace}
button{background:#5f2cff;color:#fff;border:none;padding:12px 20px;border-radius:8px;cursor:pointer;margin:5px}
.buttons{margin-bottom:10px}