.ph-workspace {
  --ph-series-1: var(--info);
  --ph-series-2: var(--element-p);
  --ph-series-3: var(--accent-partner);
  --ph-series-4: var(--element-i);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ph-workspace {
    --ph-series-4: var(--code-keyword);
  }
}

:root[data-theme="dark"] .ph-workspace {
  --ph-series-4: var(--code-keyword);
}

.ph-series-1 { --series: var(--ph-series-1); }
.ph-series-2 { --series: var(--ph-series-2); }
.ph-series-3 { --series: var(--ph-series-3); }
.ph-series-4 { --series: var(--ph-series-4); }

.ph-workspace .panel-header {
  flex-wrap: wrap;
}

.ph-workspace sub,
.ph-workspace sup {
  line-height: 0;
}

.ph-input .panel-header {
  padding: var(--space-2) var(--space-3);
}

.ph-modes {
  display: flex;
  width: 100%;
}

.ph-modes button {
  flex: 1;
  justify-content: center;
}

.ph-rows {
  display: grid;
  gap: var(--space-3);
}

.ph-row {
  display: grid;
  gap: 6px;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.ph-row-line {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ph-row-line .select {
  flex: 1;
  min-width: 0;
}

.ph-fieldset {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.ph-fieldset legend {
  margin-bottom: 6px;
  padding: 0;
}

.ph-options {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.ph-options summary {
  width: fit-content;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.ph-options[open] summary {
  margin-bottom: var(--space-2);
}

.ph-main .stat-value {
  font-size: 30px;
  letter-spacing: -0.03em;
}

.ph-scroll {
  overflow-x: auto;
}

.ph-table th[scope="row"] {
  min-width: 150px;
  padding: 9px 14px;
  white-space: normal;
  border-bottom: 1px solid var(--border);
  background: none;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 500;
}

.ph-table td[data-numeric],
.ph-table th[data-numeric] {
  text-align: right;
  white-space: nowrap;
}

.ph-table td[data-numeric] {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.ph-table .ph-group th {
  padding-top: 14px;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 600;
}

.ph-table tbody tr:last-child > * {
  border-bottom: 0;
}

.ph-table th small {
  display: block;
  color: var(--text-subtle);
  font-size: 12px;
  font-weight: 400;
}

.ph-table .ph-equivalence th {
  font-weight: 600;
}

.ph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 13px;
}

.ph-legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ph-key {
  display: inline-block;
  flex: none;
  width: 14px;
  height: 2px;
  border-radius: 1px;
  background: var(--series);
}

.ph-chart {
  position: relative;
  margin: 0;
}

.ph-svg {
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: var(--font-sans);
  user-select: none;
}

.ph-grid {
  stroke: var(--border);
  stroke-width: 1;
}

.ph-axis {
  stroke: var(--border-strong);
  stroke-width: 1;
}

.ph-tick {
  fill: var(--text-subtle);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.ph-axis-label {
  fill: var(--text-muted);
  font-size: 11.5px;
}

.ph-line {
  fill: none;
  stroke: var(--series);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ph-curve {
  stroke: var(--accent);
}

.ph-dot {
  fill: var(--series);
  stroke: var(--surface);
  stroke-width: 2;
}

.ph-marker {
  stroke: var(--text-muted);
  stroke-width: 1;
}

.ph-marker-label {
  fill: var(--text);
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.ph-direct {
  fill: var(--text-muted);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.ph-guide {
  stroke: var(--border-strong);
  stroke-width: 1;
}

.ph-equivalence-dot {
  fill: var(--text);
  stroke: var(--surface);
  stroke-width: 2;
}

.ph-half {
  fill: var(--surface);
  stroke: var(--text);
  stroke-width: 2;
}

.ph-crosshair {
  stroke: var(--text-subtle);
  stroke-width: 1;
}

.ph-cursor {
  fill: var(--accent);
  stroke: var(--surface);
  stroke-width: 2;
}

.ph-hit {
  fill: transparent;
  cursor: crosshair;
}

.ph-tooltip {
  position: absolute;
  top: var(--space-2);
  left: var(--x, 0);
  z-index: 2;
  display: grid;
  gap: 2px;
  padding: var(--space-2) 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-medium);
  color: var(--text-muted);
  font-size: 12.5px;
  white-space: nowrap;
  pointer-events: none;
  transform: translateX(12px);
}

.ph-tooltip-left {
  transform: translateX(calc(-100% - 12px));
}

.ph-tooltip strong {
  color: var(--text);
  font-weight: 600;
}

.ph-tooltip > span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ph-tooltip b {
  min-width: 52px;
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.ph-recipe {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ph-recipe li {
  display: grid;
  grid-template-columns: minmax(104px, auto) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

.ph-recipe li:first-child {
  padding-top: 0;
}

.ph-amount {
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ph-reagent {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.ph-reagent strong {
  font-weight: 500;
}

.ph-reagent small {
  color: var(--text-subtle);
  font-size: 12.5px;
}

.ph-step {
  color: var(--text-muted);
  font-size: 13.5px;
}

.ph-link {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  text-decoration: underline;
  text-decoration-color: var(--accent-border);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  cursor: pointer;
}

.ph-link:hover {
  text-decoration-color: var(--accent);
}

.ph-subtitle {
  font-size: 13px;
}

.ph-more:not([open]) > summary {
  border-bottom-color: transparent;
}

@media (max-width: 480px) {
  .ph-workspace .stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .ph-recipe li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .ph-main .stat-value {
    font-size: 26px;
  }
}