.wplr-container { max-width:720px; margin:0 auto; }
.wplr-card { background:#fff; border:1px solid #ccc; border-radius:8px; padding:16px; margin:10px 0; }
.wplr-card input,
.wplr-card select,
.wplr-card button {
  display:block;
  width:100%;
  margin:6px 0;
  padding:10px;
  -webkit-box-sizing:border-box;
  -moz-box-sizing:border-box;
  box-sizing:border-box;
}
.wplr-card button { background:#2563eb; color:#fff; border:none; cursor:pointer; }
.wplr-card button:hover { background:#1e40af; }
.wplr-alert { background:#fff7d6; border:1px solid #f1e3a6; padding:10px; border-radius:6px; margin-top:10px; }