.aigz-box{max-width:500px;margin:auto;text-align:center}
textarea{width:100%;height:120px;margin:10px 0}
button{padding:12px 25px;background:#2563eb;color:#fff;border:none;border-radius:25px}
.aigz-progress{width:100%;height:18px;background:#e5e7eb;margin-top:10px}
.aigz-bar{height:100%;width:0;background:#22c55e;transition:width .3s}