.numeric-keyboard {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2200;
  padding: 8px;
  background: #f7f7f7;
  border-top: 1px solid #bdbdbd;
  box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.16);
  transform: translateY(120%);
  transition: transform 0.16s ease-out;
}

.numeric-keyboard--visible {
  transform: translateY(0);
}

.numeric-keyboard__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  max-width: 720px;
  margin: 0 auto;
}

.numeric-keyboard__key {
  border: 1px solid #b7b7b7;
  border-radius: 8px;
  min-height: 46px;
  font-size: 1.15rem;
  font-weight: 700;
  background: #ffffff;
  color: #1f1f1f;
  outline: none;
}

.numeric-keyboard__key:active {
  background: #ececec;
}

.numeric-keyboard__key--action {
  background: #f0f0f0;
}

.numeric-keyboard__key--done {
  grid-column: span 2;
  background: #212529;
  color: #ffffff;
}

.numeric-keyboard__key--disabled {
  opacity: 0.35;
  pointer-events: none;
}

@media (max-width: 576px) {
  .numeric-keyboard__key {
    min-height: 52px;
    font-size: 1.2rem;
  }
}