body{background:#050f0a}
.app{padding:16px}
header.app-header{background:#0b1a13;color:#fff;border-radius:.5rem;padding:.75rem 1rem;margin-bottom:.75rem}
.card{border-radius:.5rem; box-shadow:0 4px 10px rgba(0,0,0,.15)}
.card-header{background:#0b1a13;color:#fff;border-bottom:0;font-weight:600}
.card-body{min-height:40px}
.form-label{display:block;margin-bottom:.25rem;font-size:.85rem}
.form-control, .form-select {padding:.25rem .5rem; font-size:.875rem}
.btn-sm{padding:.35rem .6rem}

.modal-payment {
    background: #f5f7fb;
    border-radius: 0.75rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.30);
  }
  
  .modal-backdrop.show {
    opacity: 0.7;
  }