@media (max-width:900px){
  .modal-backdrop{
    z-index:1000;
    align-items:stretch;
    padding:0;
  }
  .modal{
    width:100%;
    max-width:none;
    height:100vh;
    height:100dvh;
    max-height:100vh;
    max-height:100dvh;
    border-radius:0;
    padding:18px 14px 0;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
  .modal-head{
    top:-18px;
    border-radius:0;
  }
  .form-actions{
    position:sticky;
    bottom:0;
    z-index:20;
    margin:18px -14px 0;
    padding:12px 14px calc(12px + env(safe-area-inset-bottom));
    background:#fff;
    border-top:1px solid #eee9df;
    box-shadow:0 -10px 24px rgba(20,35,30,.08);
  }
}

@media (max-width:560px){
  .form-actions{
    grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);
  }
  .form-actions button{
    min-width:0;
    font-size:15px;
    padding-left:8px;
    padding-right:8px;
  }
}