/* Calm background keeps chart lines and labels legible. */
body.courses-body--stats::before {
  background-image: none;
}

/* Reserve the counter slot before its asynchronous response. */
.courses-body--stats .portal-header__activity {
  box-sizing: border-box;
  flex-shrink: 0;
  min-width: 200px;
}
.courses-body--stats .portal-header__activity[hidden] {
  display: inline-flex !important;
  visibility: hidden;
}
@media (max-width: 619px) {
  :root:has(body.courses-body--stats) { --course-header-strip: 33px; }
  .courses-body--stats .portal-header__inner {
    min-height: calc(var(--course-header-height) - 1px + var(--course-header-strip));
    padding-bottom: calc(var(--course-header-strip) + 8px);
  }
}

/* Digitable public statistics. Content height stays natural; charts reserve space. */
.stats-page {
  max-width: none;
}
.courses-body--stats .portal-main--stats {
  padding-top: 12px;
  padding-bottom: 12px;
}
.stats-page__head {
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}
.stats-page__head > div:first-child {
  min-width: 0;
}
.stats-page__head h1 {
  font-size: 28px;
  letter-spacing: -.025em;
  line-height: 1.15;
  margin: 0;
}
.stats-page__intro {
  color: var(--course-muted);
  font-size: 11px;
  height: 15px;
  line-height: 15px;
  margin: 4px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sd-actions, .sd-controls, .sd-panel__head, .sd-switch {
  align-items: center;
  display: flex;
}
.sd-actions, .sd-controls {
  gap: 8px;
}
.sd-button, .sd-switch button {
  background: transparent;
  border: 1px solid var(--course-line);
  border-radius: 6px;
  color: var(--course-text);
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
}
.sd-button {
  font-size: 12px;
  min-height: 32px;
  padding: 5px 12px;
}
.sd-button:hover, .sd-switch button:hover {
  border-color: var(--course-cyan);
}
.sd-button:disabled, .sd-switch button:disabled {
  cursor: wait;
  opacity: .5;
}
.sd-button:focus-visible, .sd-switch button:focus-visible, .d-chart svg:focus-visible {
  outline: 2px solid var(--course-cyan);
  outline-offset: 3px;
}
.stats-page .stats-dashboard {
  background: transparent;
  border: 0;
  border-radius: 0;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.sd-metrics {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.sd-metric, .sd-panel {
  background: var(--course-panel);
  border: 1px solid var(--course-line);
  border-radius: 8px;
  min-width: 0;
  padding: 10px 12px;
}
.sd-metric dl, .sd-metric p, .sd-board dl {
  margin: 0;
}
.sd-metric dt {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 14px;
}
.sd-metric dd {
  color: var(--course-text);
  font-size: 29px;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: -.03em;
  line-height: 34px;
  margin: 2px 0;
  min-height: 34px;
}
.sd-metric--visitors dd {
  color: var(--course-purple);
}
.sd-metric p {
  color: var(--course-subtle);
  font-size: 10px;
  line-height: 13px;
  min-height: 26px;
}
.sd-metric abbr {
  margin-right: 7px;
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
.sd-main-grid, .sd-bottom-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, 1fr);
}
.sd-panel__head {
  gap: 10px;
  justify-content: space-between;
  min-height: 24px;
}
.sd-panel h2 {
  color: var(--course-text);
  font-size: 13px;
  font-weight: 650;
  line-height: 18px;
  margin: 0;
}
.sd-panel__head > span, .sd-traffic__foot, .sd-board__link {
  color: var(--course-muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}
.sd-switch {
  background: var(--course-bg);
  border: 1px solid var(--course-line);
  border-radius: 6px;
  gap: 2px;
  padding: 2px;
}
.sd-switch button {
  border: 0;
  color: var(--course-muted);
  font-size: 10px;
  line-height: 16px;
  padding: 2px 7px;
}
.sd-switch button[aria-pressed="true"] {
  background: var(--course-panel);
  color: var(--course-cyan);
}
.sd-plot-wrap {
  margin-top: 4px;
  position: relative;
}
.sd-plot {
  height: 166px;
  min-width: 0;
  width: 100%;
}
.d-chart svg {
  display: block;
  height: 100%;
  touch-action: pan-y;
  width: 100%;
}
.d-chart__grid {
  stroke: var(--course-line);
  vector-effect: non-scaling-stroke;
}
.d-chart__label {
  fill: var(--course-muted);
  font: 10px var(--course-font);
}
.d-chart__partial {
  fill: var(--course-cyan);
  opacity: .05;
}
.d-chart__area {
  fill: var(--course-cyan);
  opacity: .08;
}
.d-chart__line {
  fill: none;
  stroke: var(--course-cyan);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}
.d-chart__guide {
  opacity: .5;
  stroke: var(--course-cyan);
  stroke-dasharray: 3 3;
}
.d-chart__dot {
  fill: var(--course-panel);
  stroke: var(--course-cyan);
  stroke-width: 2;
}
.d-chart[data-metric="visitors"] {
  --course-cyan: var(--course-purple);
}
.sd-readout {
  background: var(--course-panel);
  color: var(--course-text);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  line-height: 16px;
  padding: 0 4px;
  position: absolute;
  right: 2px;
  top: 0;
}
.sd-traffic__foot {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  line-height: 16px;
  min-height: 16px;
}
.sd-reading__facts {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
  margin-top: 8px;
}
.sd-reading__facts > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.sd-reading__facts span {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 15px;
}
.sd-reading__facts strong {
  color: var(--course-text);
  font-size: 27px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  line-height: 32px;
}
.sd-reading progress {
  accent-color: var(--course-cyan);
  appearance: none;
  background: var(--course-line);
  border: 0;
  border-radius: 4px;
  height: 5px;
  width: 100%;
}
.sd-reading progress::-webkit-progress-bar {
  background: var(--course-line);
  border-radius: 4px;
}
.sd-reading progress::-webkit-progress-value {
  background: var(--course-cyan);
  border-radius: 4px;
}
.sd-reading progress::-moz-progress-bar {
  background: var(--course-cyan);
}
.sd-reading progress[data-measured="false"] {
  opacity: .35;
}
.sd-exits {
  margin-top: 14px;
}
.sd-exits p {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 16px;
  margin: 0 0 4px;
}
.sd-exits__bars {
  align-items: end;
  border-bottom: 1px solid var(--course-line);
  display: grid;
  gap: 5px;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  height: 42px;
}
.sd-exits__bars span {
  background: var(--course-purple);
  border-radius: 3px 3px 0 0;
  height: max(1px, calc(100% * var(--share, 0)));
  opacity: .75;
}
.sd-exits__axis {
  color: var(--course-subtle);
  display: flex;
  font-size: 9px;
  justify-content: space-between;
  line-height: 14px;
}
.sd-ranking {
  counter-reset: rank;
  display: grid;
  gap: 4px;
  list-style: none;
  margin: 6px 0 0;
  min-height: 111px;
  padding: 0;
}
.sd-ranking li:not(.sd-placeholder) {
  display: grid;
  gap: 2px 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-width: 0;
  padding-left: 23px;
  position: relative;
}
.sd-ranking li:not(.sd-placeholder)::before {
  color: var(--course-subtle);
  content: counter(rank, decimal-leading-zero);
  counter-increment: rank;
  font-size: 10px;
  left: 0;
  line-height: 15px;
  position: absolute;
}
.sd-ranking__loading {
  font-size: 12px;
  line-height: 15px;
  min-height: 20px;
}
.sd-ranking a {
  color: var(--course-text);
  font-size: 12px;
  line-height: 15px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sd-ranking strong {
  color: var(--course-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 550;
  line-height: 15px;
}
.sd-ranking__bar {
  background: var(--course-line);
  grid-column: 1 / -1;
  height: 3px;
}
.sd-ranking__bar::before {
  background: var(--course-cyan);
  content: '';
  display: block;
  height: 100%;
  width: calc(var(--share) * 100%);
}
.sd-board__track {
  background: var(--course-line);
  border-radius: 4px;
  display: flex;
  gap: 2px;
  height: 8px;
  margin: 10px 0 12px;
}
.sd-board__track span {
  flex-basis: 0;
}
.sd-board__track [data-state="collecting"] {
  background: var(--course-subtle);
}
.sd-board__track [data-state="funded"] {
  background: var(--course-purple);
}
.sd-board__track [data-state="in_progress"] {
  background: var(--course-cyan);
}
.sd-board__track [data-state="done"] {
  background: var(--course-green, var(--course-cyan));
}
.sd-board__legend {
  display: grid;
  gap: 8px 18px;
  grid-template-columns: 1fr 1fr;
}
.sd-board__legend > div {
  align-items: baseline;
  display: flex;
  gap: 8px;
  justify-content: space-between;
}
.sd-board__legend dt {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 17px;
}
.sd-board__legend dd {
  color: var(--course-text);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  line-height: 18px;
  margin: 0;
}
.sd-board__link {
  color: var(--course-cyan);
  display: inline-block;
  line-height: 16px;
  margin-top: 9px;
}
.sd-corpus {
  align-items: center;
  color: var(--course-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 10px;
  gap: 6px 18px;
  line-height: 18px;
  min-height: 20px;
}
.sd-corpus strong {
  color: var(--course-text);
  font-variant-numeric: tabular-nums;
}
.sd-corpus > span:not(:last-child) {
  white-space: nowrap;
}
.sd-corpus > span:last-child {
  color: var(--course-subtle);
  margin-left: auto;
}
.stats-page .sd-more {
  align-items: start;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  padding: 0;
}
.stats-page .sd-more .stats-more__summary {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 18px;
  padding: 5px 10px;
}
.stats-page .sd-more .stats-more__body {
  font-size: 12px;
  line-height: 1.6;
  padding: 12px;
}
.stats-page .sd-more .stats-more__block[open] {
  grid-column: 1 / -1;
}
.sd-more table {
  font-size: 12px;
  width: 100%;
}
.sd-more td, .sd-more th {
  padding: 7px;
  text-align: left;
}
.sd-method p {
  margin: 0 0 8px;
}
.sd-status {
  color: var(--course-muted);
  font-size: 11px;
  line-height: 16px;
  margin: 0;
  min-height: 0;
}
.sd-status:empty {
  display: none;
}
.sd-placeholder {
  color: var(--course-subtle);
  font-size: 12px;
  padding: 12px;
}
@media (min-width: 900px) and (min-height: 860px) {
  .sd-plot { height: 210px; }
  .sd-exits__bars { height: 62px; }
}
@media (min-width: 900px) and (max-height: 780px) {
  .courses-body--stats .portal-main--stats { padding-top: 8px; padding-bottom: 4px; }
  .stats-page__head { margin-bottom: 8px; }
  .stats-page__head h1 { font-size: 26px; }
  .stats-page .stats-dashboard, .sd-main-grid, .sd-bottom-grid, .sd-metrics { gap: 8px; }
  .sd-panel, .sd-metric { padding: 8px 10px; }
  .sd-metric dd { font-size: 26px; line-height: 29px; min-height: 29px; }
  .sd-metric p { font-size: 9px; line-height: 11px; min-height: 22px; }
  .sd-plot { height: 140px; }
  .sd-exits { margin-top: 8px; }
  .sd-exits__bars { height: 32px; }
  .sd-ranking { min-height: 105px; gap: 3px; }
  .sd-corpus { line-height: 16px; }
}
@media (max-width: 899px) {
  .stats-page__head { align-items: start; flex-wrap: wrap; }
  .stats-page__head h1 { font-size: 25px; }
  .sd-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sd-main-grid, .sd-bottom-grid { grid-template-columns: minmax(0, 1fr); }
  .sd-panel { padding: 12px; }
  .sd-metric dd { font-size: 27px; }
  .sd-panel__head { flex-wrap: wrap; }
  .sd-controls { justify-content: space-between; width: 100%; }
  .sd-switch button { font-size: 11px; padding: 4px 8px; }
  .sd-plot { height: 190px; }
  .sd-reading__facts { margin-bottom: 12px; }
  .sd-exits__bars { height: 56px; }
  .sd-corpus > span:last-child { flex-basis: 100%; margin-left: 0; min-height: 36px; }
  .stats-page .sd-more { grid-template-columns: 1fr; }
  .sd-more th, .sd-more td { overflow-wrap: anywhere; padding: 5px; }
}
@media print {
  .sd-actions, .sd-controls { display: none; }
  .sd-main-grid, .sd-bottom-grid { break-inside: avoid; }
}