.numeric-keyboard {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1200;
  visibility: hidden;
  opacity: 0;
  transform: translateY(100%);
  transition: transform 0.2s ease, opacity 0.2s ease, visibility 0s 0.2s;
}

.numeric-keyboard.is-visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.2s ease, opacity 0.2s ease, visibility 0s 0s;
}

.numeric-keyboard__panel {
  margin: 0 auto;
  padding: 0.9rem;
  max-width: 560px;
  background: #1f2937;
  border-top: 1px solid #374151;
  border-top-left-radius: 0.8rem;
  border-top-right-radius: 0.8rem;
  box-shadow: 0 -8px 18px rgba(17, 24, 39, 0.35);
}

.numeric-keyboard__title {
  margin: 0 0 0.65rem;
  color: #f2f4f6;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.numeric-keyboard__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.45rem;
}

.numeric-keyboard__key {
  min-height: 46px;
  border: 1px solid #4b5563;
  border-radius: 0.55rem;
  background: #374151;
  color: #f9fafb;
  font-size: 1.05rem;
  font-weight: 600;
}

.numeric-keyboard__key:hover,
.numeric-keyboard__key:focus {
  background: #4b5563;
  border-color: #6b7280;
}

.numeric-keyboard__key--action {
  background: #eeb15d;
  border-color: #eeb15d;
  color: #161d27;
}

.numeric-keyboard__key--action:hover,
.numeric-keyboard__key--action:focus {
  background: #f6be71;
  border-color: #f6be71;
}

.numeric-keyboard__key--muted {
  background: #111827;
  border-color: #374151;
  color: #cbd5e1;
}

.numeric-keyboard__key--wide {
  grid-column: span 2;
}

@media (max-width: 767.98px) {
  .numeric-keyboard__panel {
    max-width: 100%;
    border-top-left-radius: 0.65rem;
    border-top-right-radius: 0.65rem;
    padding: 0.75rem;
  }

  .numeric-keyboard__key {
    min-height: 50px;
    font-size: 1.1rem;
  }
}

@media (min-width: 768px) and (max-width: 1199.98px) {
  .numeric-keyboard__panel {
    max-width: 640px;
  }
}