/* Unit conversion editor in the TMC card. */
.material-units-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 16px;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid #e7e7eb;
  border-radius: 16px;
  background: #fafafa;
}

.material-units-main {
  min-width: 0;
}

.material-units-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.material-units-heading > div > strong {
  display: block;
  color: #252529;
  font-size: .96rem;
}

.material-units-heading p {
  margin-top: 3px;
  color: #7a7a80;
  font-size: .78rem;
}

.material-base-summary {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 22px 14px;
  border: 1px solid #d7e6f8;
  border-radius: 14px;
  background: #eef6ff;
  text-align: center;
}

.material-base-summary span {
  max-width: 130px;
  color: #526579;
  font-size: .9rem;
  font-weight: 760;
  line-height: 1.2;
}

.material-base-summary strong {
  color: #21558f;
  font-size: 2.7rem;
  font-weight: 820;
  line-height: 1;
  letter-spacing: -.04em;
}

.unit-conversion-list {
  display: grid;
  gap: 8px;
}

.unit-conversion-row.is-hidden {
  display: none !important;
}

.unit-conversion-expression {
  display: grid;
  grid-template-columns: 105px auto 24px 105px minmax(120px, 1fr) 38px;
  align-items: center;
  gap: 8px;
}

.unit-conversion-expression .input,
.unit-conversion-expression .select,
.unit-conversion-expression select {
  width: 100%;
}

.unit-symbol-chip {
  min-width: 34px;
  padding: 6px 8px;
  border-radius: 9px;
  background: #efeff2;
  color: #4f4f55;
  font-size: .78rem;
  font-weight: 700;
  text-align: center;
}

.unit-conversion-equals {
  color: #8a8a90;
  font-weight: 800;
  text-align: center;
}

.unit-conversion-remove {
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0 !important;
}

.material-units-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.material-unit-add-button,
.material-unit-create-button {
  color: #fff !important;
  border-color: transparent !important;
  font-weight: 750 !important;
}

.material-unit-add-button {
  background: #2f9d59 !important;
}

.material-unit-add-button:hover {
  background: #27884c !important;
}

.material-unit-create-button {
  background: #3273dc !important;
}

.material-unit-create-button:hover {
  background: #2866c2 !important;
}

.quick-unit-create {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e6e6ea;
}

.quick-unit-grid {
  display: grid;
  grid-template-columns: minmax(150px, 1.3fr) 110px minmax(160px, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.quick-unit-grid .field {
  margin-bottom: 0;
}

.quick-unit-submit-field .button {
  width: 100%;
}

.quick-unit-create .help {
  margin-top: 8px;
}

.conversion-example-help {
  margin-top: 8px;
  color: #8a8a90;
  font-size: .72rem;
}

/* Units directory: keep fields and actions on one visual baseline. */
.unit-directory-actions {
  align-items: center;
}

.unit-edit-form,
.unit-edit-form .field {
  margin: 0 !important;
}

.unit-edit-controls {
  align-items: stretch;
}

.unit-edit-form .unit-edit-input,
.unit-edit-form .unit-save-button,
.unit-delete-button {
  min-height: 36px;
  height: 36px;
}

.unit-save-button {
  border-color: #2f9d59 !important;
  background: #2f9d59 !important;
  color: #fff !important;
  font-weight: 700;
}

.unit-save-button:hover,
.unit-save-button:focus {
  border-color: #27884c !important;
  background: #27884c !important;
  color: #fff !important;
}

.unit-delete-button {
  border-color: #efc7c4 !important;
  background: #fff0ef !important;
  color: #b43a33 !important;
  font-weight: 700;
}

.unit-delete-button:hover,
.unit-delete-button:focus {
  border-color: #e6aaa6 !important;
  background: #ffe3e0 !important;
  color: #9f302a !important;
}

@media (max-width: 760px) {
  .material-units-panel { grid-template-columns: 1fr; }
  .material-units-heading { display: block; }
  .material-base-summary {
    min-height: 108px;
    flex-direction: row;
    justify-content: space-between;
    padding: 18px 20px;
    text-align: left;
  }
  .material-base-summary span { max-width: none; }
  .material-base-summary strong { font-size: 2.2rem; }
  .unit-conversion-expression { grid-template-columns: 1fr auto 20px 1fr; }
  .unit-conversion-expression > .control:nth-of-type(3),
  .unit-conversion-remove { grid-column: span 2; }
  .quick-unit-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .unit-directory-actions {
    grid-template-columns: 1fr;
  }

  .unit-edit-form,
  .unit-edit-controls {
    width: 100%;
  }

  .unit-edit-controls .control:first-child {
    flex: 1 1 auto;
  }

  .unit-edit-controls .control:first-child .input {
    width: 100% !important;
  }
}

@media (max-width: 480px) {
  .unit-conversion-expression,
  .quick-unit-grid { grid-template-columns: 1fr; }
  .unit-conversion-equals { display: none; }
  .unit-conversion-expression > .control:nth-of-type(3),
  .unit-conversion-remove { grid-column: auto; }
}