.modular-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 960px) {
  .modular-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

.modular-form {
  display: grid;
  gap: 20px;
}

.modular-tool-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modular-tool-row select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}

.modular-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modular-field label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

.modular-field input,
.modular-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border, #d0d7de);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  font-family: inherit;
}

.modular-field textarea {
  resize: vertical;
  min-height: 72px;
}

.field-hint {
  font-size: 0.85rem;
  color: var(--text-muted, #5f6c7b);
  line-height: 1.4;
}

.modular-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.modular-actions .button {
  min-width: 140px;
  justify-content: center;
}

#modular-error {
  font-size: 0.9rem;
  color: #c92a2a;
  min-height: 1.2em;
}

.result-panel {
  display: grid;
  gap: 12px;
}

.result-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-variant-numeric: tabular-nums;
}

.result-label {
  font-weight: 600;
  color: var(--text-muted, #5f6c7b);
}

.result-value {
  font-family: var(--mono, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace);
}

.result-message {
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-100, #f6f8fa);
  color: var(--text-muted, #5f6c7b);
}

.modular-steps {
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-variant-numeric: tabular-nums;
}

.modular-table-wrapper {
  overflow-x: auto;
}

.modular-table-wrapper table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
  min-width: 640px;
}

.modular-table-wrapper th,
.modular-table-wrapper td {
  border: 1px solid var(--border, #d0d7de);
  padding: 6px 8px;
  text-align: left;
  white-space: nowrap;
}

.modular-table-wrapper th {
  background: var(--surface-100, #f6f8fa);
  font-weight: 600;
}