.scale-workspace,
.scale-start,
.scale-form {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.scale-reaction-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
}

.scale-about {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 500;
}

.scale-about:hover {
  color: var(--accent-text);
}

.reaction-picker {
  flex: 1;
  max-width: 420px;
  min-width: 0;
}

.reaction-picker .reaction-search .input {
  height: 34px;
  font-size: 13.5px;
}

.scale-start .reaction-picker {
  max-width: 560px;
}

.scale-start .reaction-picker .reaction-search .input {
  height: 40px;
  font-size: 14.5px;
}

.reaction-option {
  grid-template-columns: minmax(0, 1fr);
}

.reaction-option-kind {
  color: var(--accent-text);
}

.scale-reaction .scheme-panel {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.scale-fields {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr) minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: end;
  padding: var(--space-5);
}

.scale-fields .input,
.scale-fields .button {
  height: 38px;
}

.scale-fields .input-group .unit-select {
  height: 30px;
}

.scale-amount .input {
  font-size: 15px;
  font-weight: 600;
}

.scale-errors {
  margin: 0 var(--space-5) var(--space-5);
}

.scale-errors p + p {
  margin-top: 2px;
}

.scale-results {
  overflow: hidden;
}

.scale-results .reagent-table-frame {
  border: 0;
  border-radius: 0;
}

.scale-table th:first-child,
.scale-table td:first-child {
  padding-left: var(--space-5);
}

.scale-table th:last-child,
.scale-table td:last-child {
  padding-right: var(--space-5);
}

.scale-table tbody td[data-n],
.scale-table tbody td[data-m],
.scale-table tbody td[data-v] {
  font-weight: 600;
}

.scale-table tbody tr.is-anchor {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.reagent-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.reagent-flags:not(:has(.badge:not([hidden]))) {
  display: none;
}

.reagent-flags .badge {
  height: 19px;
  padding: 0 7px;
  font-size: 11px;
}

.equiv-input {
  width: 76px;
  height: 28px;
  padding: 0 8px;
  font-size: 13px;
  text-align: right;
}

.solution-field {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
  margin-top: var(--space-1);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
  white-space: nowrap;
}

.molarity-input {
  width: 52px;
  height: 24px;
  padding: 0 6px;
  font-size: 12px;
  text-align: right;
}

.scale-stats {
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
}

.scale-stats .stat-value {
  font-size: 19px;
}

.scale-stats .stat-text {
  font-size: 15px;
  line-height: 1.35;
}

.reagent-notes {
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  background: var(--surface);
}

.reagent-notes summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.reagent-notes dl {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
}

.reagent-notes dt {
  font-size: 13.5px;
  font-weight: 600;
}

.reagent-notes dd {
  margin: 2px 0 0;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.55;
}

.scale-section-title {
  margin: var(--space-6) 0 var(--space-4);
  font-size: 16px;
  font-weight: 600;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

.example-card {
  display: grid;
  grid-template-rows: 108px auto;
  overflow: hidden;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.example-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-medium);
}

.example-art {
  display: grid;
  place-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--background-subtle);
  background-image: radial-gradient(var(--grid-line) 1px, transparent 1px);
  background-size: 12px 12px;
}

.example-art .reaction-scheme {
  width: auto;
  max-width: 100%;
  max-height: 84px;
}

.example-body {
  display: grid;
  gap: 3px;
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.example-body strong {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.example-body span {
  color: var(--text-muted);
  font-size: 12.5px;
}

@media (max-width: 920px) {
  .scale-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scale-anchor {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .scale-table tbody tr {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .scale-table th:first-child,
  .scale-table td:first-child,
  .scale-table th:last-child,
  .scale-table td:last-child {
    padding-left: 0;
    padding-right: 0;
  }

  .scale-table tbody tr.is-anchor {
    box-shadow: inset 3px 0 0 var(--accent);
  }

  .solution-field {
    flex-wrap: wrap;
    justify-content: flex-start;
    white-space: normal;
  }

  .scale-table td[data-n] {
    order: 1;
  }

  .scale-table td[data-m] {
    order: 2;
  }

  .scale-table td[data-v] {
    order: 3;
  }

  .scale-table td:nth-of-type(2) {
    order: 4;
  }

  .scale-table td:nth-of-type(3) {
    order: 5;
  }

  .scale-table td:nth-of-type(4) {
    order: 6;
  }

  .scale-table td:nth-of-type(1) {
    order: 7;
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px;
  }

  .scale-table td[data-n],
  .scale-table td[data-m],
  .scale-table td[data-v] {
    font-size: 15px;
  }

  .equiv-input {
    width: 100%;
    max-width: 96px;
  }

  .scale-results .panel-header {
    padding-right: var(--space-2);
  }

  .panel-actions .button span {
    display: none;
  }

  .panel-actions .button {
    width: var(--button-height);
    padding: 0;
  }
}

@media (max-width: 480px) {
  .scale-fields {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4);
  }

  .scale-fields .button {
    width: 100%;
  }

  .reaction-picker {
    max-width: none;
    flex-basis: 100%;
  }
}

@media print {
  html:root:not([data-theme="print"]) {
    --background: Canvas;
    --background-subtle: Canvas;
    --surface: Canvas;
    --border: GrayText;
    --border-strong: GrayText;
    --text: CanvasText;
    --text-muted: CanvasText;
    --text-subtle: GrayText;
    --ink: CanvasText;
    --accent-text: CanvasText;
    --accent-soft: transparent;
    --accent-border: GrayText;
    color-scheme: light;
  }

  .site-header,
  .site-footer,
  .tool-header .breadcrumbs,
  .tool-heading p,
  .tool-notes,
  .related-tools,
  .scale-reaction-bar,
  .scale-fields .button,
  .panel-actions,
  .reagent-flags [data-anchor-flag],
  .toast-region {
    display: none !important;
  }

  .panel,
  .reagent-notes {
    box-shadow: none;
    break-inside: avoid;
  }

  .scale-table tbody tr.is-anchor {
    background: none;
    box-shadow: none;
  }

  .equiv-input,
  .scale-fields .input,
  .scale-fields .unit-select {
    border: 0;
    background: none;
    appearance: none;
  }

  .reagent-notes:not([open]) {
    display: none;
  }
}