.plz-checker {
  max-width: 34rem;
  margin-top: 32px;
  padding: 22px;
  border: 1px solid rgb(11 44 84 / 26%);
  background: rgb(247 247 244 / 44%);
}

.plz-checker label {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 700;
}

.plz-checker__controls { display: flex; gap: 10px; }

.plz-checker input,
.plz-checker button {
  min-height: 48px;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  font: inherit;
}

.plz-checker input {
  min-width: 0;
  flex: 1;
  padding: 0 14px;
  background: var(--paper);
}

.plz-checker input::placeholder { color: rgb(11 44 84 / 60%); }

.plz-checker button {
  padding: 0 16px;
  background: transparent;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 700;
}

.plz-checker button:hover:not(:disabled),
.plz-checker button:focus-visible:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
}

.plz-checker button:disabled { cursor: wait; opacity: .55; }

.plz-checker__result {
  margin: 14px 0 0;
  color: var(--ink) !important;
  font-size: .88rem;
}

.plz-checker__result.is-match,
.plz-checker__result.is-rejected,
.plz-checker__result.is-error {
  padding: 11px 12px;
  border: 1px solid currentColor;
  font-weight: 700;
}

.plz-checker__result.is-match {
  background: #dcebdd;
  color: #1f5a35 !important;
}

.plz-checker__result.is-rejected,
.plz-checker__result.is-error {
  background: #f3dddd;
  color: #7a2b2b !important;
}

@media (max-width: 430px) {
  .plz-checker { padding: 18px; }
  .plz-checker__controls { flex-direction: column; }
  .plz-checker button { width: 100%; }
}