.prbm {
  box-sizing: border-box;
  max-width: 100%;
  padding: 1rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  background: #fff;
}

.prbm * { box-sizing: border-box; }

.prbm__title {
  margin: 0 0 0.75rem 0;
  font-size: 1.1rem;
  line-height: 1.35;
}

.prbm__tableWrap {
  overflow-x: auto;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 6px;
}

.prbm__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.prbm__table th,
.prbm__table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  vertical-align: top;
}

.prbm__table thead th {
  position: sticky;
  top: 0;
  background: #fafafa;
  z-index: 1;
  text-align: left;
  font-weight: 600;
}

.prbm__tip {
  font-weight: 600;
}

.prbm__choice {
  width: 120px;
}

.prbm__select {
  width: 100%;
  padding: 0.35rem 0.4rem;
}

.prbm__num {
  text-align: right;
  white-space: nowrap;
}

.prbm__totals th,
.prbm__totals td {
  border-top: 2px solid rgba(0,0,0,0.12);
  border-bottom: none;
  background: #fcfcfc;
}

.prbm__actions {
  margin-top: 0.75rem;
}

.prbm__btn {
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.2);
  background: #f7f7f7;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
}

.prbm__btn:hover {
  background: #efefef;
}

.prbm__btn:focus {
  outline: 2px solid #2271b1;
  outline-offset: 2px;
}

.prbm__note {
  margin: 0.75rem 0 0 0;
  font-size: 0.92rem;
  color: rgba(0,0,0,0.7);
}