/* Classifications page. Shell tokens come from widgets.css; the class colours
   are the categorical slots of the site's chart palette, stepped per theme. */

.cls-page {
  --cls-line: #3987e5;
  --cls-mixed: #d95926;
  --cls-blob: #199e70;
  --cls-bounded: #c98500;
  --cls-unclear: #8b919c;
  --cls-thin: #9085e9;
  --cls-triangle: #e66767;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 16px 40px;
  max-width: 1480px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

@media (prefers-color-scheme: light) {
  .cls-page {
    --cls-line: #2a78d6;
    --cls-mixed: #eb6834;
    --cls-blob: #1baf7a;
    --cls-bounded: #eda100;
    --cls-unclear: #8a909a;
    --cls-thin: #4a3aa7;
    --cls-triangle: #e34948;
  }
}

.cls-header {
  display: grid;
  gap: 6px;
}
.cls-header h1 {
  margin: 0;
  font-size: 26px;
}
.cls-header p {
  margin: 0;
  max-width: 78ch;
}
.muted {
  color: var(--muted);
}
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}

.cls-status {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.cls-view {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Class legend: one toggle chip per class, count of the dots shown. */
.cls-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cls-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.cls-chip span {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.cls-chip[aria-pressed='false'] {
  opacity: 0.45;
  text-decoration: line-through;
}
.cls-chip i,
.cls-name i,
.cls-classes dt i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}
.cls-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cls-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px 14px;
}
.cls-controls label {
  display: grid;
  gap: 3px;
  font-size: 12px;
  color: var(--muted);
}
.cls-controls select {
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  max-width: 100%;
}
.cls-controls .cls-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text);
  padding-top: 25px;
}
.cls-controls .cls-field {
  width: min(330px, 100%);
}
.cls-controls .cls-field select {
  width: 100%;
}
.cls-field-help {
  font-size: 12px;
  line-height: 1.4;
  color: var(--muted);
}
.cls-field-help b {
  color: var(--text);
  font-weight: 600;
}
.cls-field-help a,
.cls-axes-help a,
.cls-pin a,
.cls-method a {
  color: var(--accent);
}
.cls-swap {
  margin-top: 18px;
  font: inherit;
  font-size: 16px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
.cls-controls button:focus-visible,
.cls-chip:focus-visible,
.cls-controls select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Plot + side panel. */
.cls-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}
.cls-plot-wrap {
  position: relative;
  min-width: 0;
}
.cls-plot {
  position: relative;
  height: min(72vh, 780px);
  min-height: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  touch-action: none;
}
.cls-plot-surface {
  position: absolute;
  inset: 0;
  cursor: crosshair;
  touch-action: none;
}
.cls-plot-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
/* The dots, clipped to the plot area. During a zoom or pan gesture the bitmap
   is moved with a CSS transform until the full redraw. */
.cls-plot-clip {
  position: absolute;
  overflow: hidden;
}
.cls-plot-dots {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transform-origin: 0 0;
}

.cls-zoom {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 4;
  display: flex;
  gap: 4px;
}
.cls-zoom button {
  font: inherit;
  font-size: 13px;
  min-width: 30px;
  height: 30px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--panel-2) 88%, transparent);
  color: var(--text);
  cursor: pointer;
}
.cls-zoom button:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.6;
}
.cls-zoom button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cls-hover {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  display: grid;
  gap: 8px;
  padding: 10px;
  width: 222px;
  box-sizing: border-box;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.35);
  font-size: 12px;
}
.cls-hover-text {
  display: grid;
  gap: 2px;
}
.cls-hover-text b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 600;
}

.cls-thumb {
  position: relative;
  border-radius: 6px;
  background: var(--panel);
  overflow: hidden;
}
.cls-thumb canvas {
  display: block;
}
.cls-thumb-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.cls-thumb-note {
  position: absolute;
  right: 6px;
  bottom: 4px;
  font-size: 11px;
  color: var(--muted);
}

.cls-side {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  gap: 10px;
  font-size: 13px;
}
.cls-side h2 {
  margin: 0;
  font-size: 16px;
}
.cls-side p {
  margin: 0;
}
.cls-pin {
  display: grid;
  gap: 10px;
}
.cls-pin-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.cls-pin-head h2 {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  overflow-wrap: anywhere;
}
.cls-pin-head button {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  cursor: pointer;
}
.cls-pin-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cls-pin-links a,
.cls-classes a {
  color: var(--accent);
}
.cls-decomp {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
}
.cls-decomp ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
}
.cls-decomp a {
  color: var(--accent);
}

.cls-values {
  display: grid;
  gap: 2px;
  margin: 0;
}
.cls-values div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 3px 0;
  border-bottom: 1px solid var(--line);
}
.cls-values dt {
  color: var(--muted);
}
.cls-values dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.cls-axes-help dl {
  margin: 0;
  display: grid;
  gap: 4px;
}
.cls-axes-help dt {
  font-weight: 600;
  margin-top: 6px;
}
.cls-axes-help dd {
  margin: 0;
  color: var(--muted);
}
.cls-axes-help dd.mono {
  color: var(--text);
  margin-top: 4px;
}
.cls-axes-help dd + dd {
  margin-top: 4px;
}
.cls-values-groups {
  display: grid;
  gap: 10px;
}
.cls-values-groups h3 {
  margin: 0 0 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cls-classes h2,
.cls-method h2,
.cls-glossary h2,
.cls-table-section h2 {
  font-size: 18px;
  margin: 8px 0;
}
.cls-classes dl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px 24px;
  margin: 0 0 12px;
}
.cls-classes dt {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cls-classes dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.cls-classes > p {
  max-width: 90ch;
  font-size: 13px;
}

.cls-table-box {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.cls-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.cls-table th,
.cls-table td {
  padding: 7px 12px;
  text-align: right;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
.cls-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}
.cls-table th:nth-child(-n + 2),
.cls-table td:nth-child(-n + 2) {
  text-align: left;
}
.cls-table td.is-zero {
  color: var(--line);
}
.cls-table tbody tr:last-child td {
  border-bottom: 0;
}

/* How a class is decided. */
.cls-method {
  max-width: 90ch;
  font-size: 14px;
  line-height: 1.55;
}
.cls-method p {
  margin: 0 0 10px;
}
.cls-method h3 {
  font-size: 15px;
  margin: 18px 0 6px;
}
.cls-method-terms {
  display: grid;
  grid-template-columns: minmax(150px, max-content) 1fr;
  gap: 8px 18px;
  margin: 0 0 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.cls-method-terms dt {
  font-weight: 600;
}
.cls-method-terms dd {
  margin: 0;
  color: var(--muted);
}
.cls-rules {
  margin: 0 0 12px;
  padding-left: 24px;
  display: grid;
  gap: 6px;
}
.cls-rules .cls-name {
  display: inline;
  white-space: nowrap;
}
.cls-rules .cls-name i {
  margin-right: 5px;
  vertical-align: 0;
}
.cls-rules .cls-name i,
.cls-gloss-typical i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}
.cls-thresholds {
  margin: 0 0 10px;
}
.cls-thresholds summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 8px;
}
.cls-thresholds .cls-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  margin-bottom: 8px;
}
.cls-table td.cls-wrap {
  white-space: normal;
  text-align: left;
  color: var(--muted);
}
.cls-thresholds .cls-table th:nth-child(3) {
  text-align: left;
}

/* Glossary of every measurement. */
.cls-glossary > p {
  max-width: 90ch;
  font-size: 13px;
  margin: 0 0 8px;
}
.cls-gloss-group h3 {
  font-size: 15px;
  margin: 16px 0 8px;
}
.cls-gloss-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}
.cls-gloss-item {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  font-size: 13px;
  display: grid;
  gap: 6px;
  align-content: start;
  scroll-margin-top: 16px;
}
.cls-gloss-item:target {
  border-color: var(--accent);
}
.cls-gloss-item h4 {
  margin: 0;
  font-size: 14px;
}
.cls-gloss-item p {
  margin: 0;
}
.cls-gloss-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  color: var(--muted);
  font-size: 12px;
}
.cls-gloss-meta .mono {
  color: var(--text);
  overflow-wrap: anywhere;
}
.cls-gloss-typical {
  list-style: none;
  margin: 2px 0 0;
  padding: 8px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 2px;
  font-size: 12px;
}
.cls-gloss-typical li {
  display: grid;
  grid-template-columns: 9px 1fr auto;
  align-items: center;
  gap: 8px;
}
.cls-gloss-typical span {
  color: var(--muted);
}
.cls-gloss-typical b {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

@media (max-width: 900px) {
  .cls-main {
    grid-template-columns: minmax(0, 1fr);
  }
  .cls-plot {
    height: 62vh;
  }
  .cls-method-terms {
    grid-template-columns: minmax(0, 1fr);
  }
  .cls-gloss-list {
    grid-template-columns: minmax(0, 1fr);
  }
}