.number-calculator {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  height: 100%;
  padding: 0;
}

.number-calculator-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) 292px;
  gap: 20px;
  height: min(520px, 100%);
  min-height: 0;
  overflow: hidden;
}

.number-calculator-left,
.number-calculator-right {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.number-calculator-left {
  gap: 16px;
  padding-right: 6px;
  border-right: 1px solid rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.number-calculator-editor {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.number-calculator-section-title,
.number-calculator-result-name {
  font-size: 14px;
  font-weight: 600;
  color: #6b7280;
}

.number-calculator-workspace {
  width: 100%;
  min-height: 150px;
  height: 150px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 24px;
  line-height: 1.55;
  font-weight: 500;
  color: #111827;
  outline: none;
  resize: none;
  overflow: auto;
}

.number-calculator-workspace:focus {
  border-color: rgba(34, 197, 94, 0.45);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
}

.number-calculator-results {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  overflow: hidden;
}

.number-calculator-result-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 0;
}

.number-calculator-result-meta {
  min-width: 0;
}

.number-calculator-result-value {
  margin-top: 6px;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 700;
  color: #111827;
  word-break: break-word;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  max-height: 3.4em;
}

.number-calculator-result-value.is-multiline {
  max-height: 3.6em;
}

.number-calculator-result-value.is-tight {
  font-size: 20px;
}

.number-calculator-result-value.is-compact {
  font-size: 17px;
  line-height: 1.4;
}

.number-calculator-result-value.is-ultra {
  font-size: 15px;
  line-height: 1.35;
}

.number-calculator-copy {
  align-self: center;
  min-width: 58px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  color: #4b5563;
  cursor: pointer;
}

.number-calculator-copy:hover {
  border-color: rgba(34, 197, 94, 0.22);
  color: #166534;
  background: rgba(240, 253, 244, 0.92);
}

.number-calculator-keypad {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
}

.number-calculator-key {
  height: 64px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  font-size: 24px;
  font-weight: 600;
  color: #1f2937;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.number-calculator-key:hover {
  transform: translateY(-1px);
  border-color: rgba(34, 197, 94, 0.24);
  background: rgba(240, 253, 244, 0.96);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.06);
}

.number-calculator-key.is-operator,
.number-calculator-key.is-secondary {
  background: rgba(248, 250, 252, 0.95);
}

.number-calculator-key.is-primary {
  border-color: rgba(34, 197, 94, 0.12);
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #fff;
}

.number-calculator-key.is-primary:hover {
  border-color: rgba(22, 163, 74, 0.18);
  background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
}

.number-calculator-error {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.14);
  color: #b91c1c;
  font-size: 14px;
  line-height: 1.6;
}

.number-calculator-key.is-active {
  transform: translateY(-1px);
  border-color: rgba(34, 197, 94, 0.24);
  background: rgba(240, 253, 244, 0.96);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.06);
}

[data-tools-modal][data-tool-key="number-calculator"] [data-tools-modal-body] {
  overflow: hidden !important;
}

@media (max-width: 768px) {
  .number-calculator-shell {
    grid-template-columns: 1fr;
    height: auto;
  }

  .number-calculator-left {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    padding-bottom: 16px;
  }
}