.campaign-panel { margin-block:1.5rem; max-width:100%; }
.campaign-panel article { border:1px solid #ccc; padding:1rem; margin-block:1rem; }
.campaign-panel label { display:block; margin-block:.6rem; }
.campaign-panel input,.campaign-panel textarea,.campaign-panel select { display:block; box-sizing:border-box; width:100%; max-width:100%; min-height:44px; font:inherit; }
.campaign-panel button { margin:.35rem .35rem .35rem 0; white-space:normal; }
.campaign-panel fieldset { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.5rem; margin-block:.7rem; min-width:0; }
@media(max-width:480px) { .campaign-panel fieldset { grid-template-columns:1fr; } }
@media print { .campaign-panel { display:none!important; } }