/* Animated whitening figure (_includes/whitening-viz.html) */

.wviz {
  display: block;
  margin: 2em 0;
  padding: 1rem;
  border: 1px solid #e3e6e8;
  border-radius: 10px;
  background: #fff;
  color: #494e52;
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  font-size: 0.875rem;
  line-height: 1.5;
}

.wviz__body {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.wviz__canvas {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  background: #fbfcfc;
  transition: opacity 220ms ease;
}

.wviz__canvas.is-fading {
  opacity: 0;
}

.wviz__legend {
  margin-top: 0.4rem;
  font-size: 0.75rem;
  color: #6b7378;
}

.wviz__legend-item {
  display: inline-block;
  margin-right: 0.9em;
  white-space: nowrap;
}

.wviz__key {
  display: inline-block;
  width: 18px;
  height: 0;
  margin-right: 0.35em;
  vertical-align: middle;
}

.wviz__key--ellipse {
  border-top: 2px dashed #1f2a30;
}

.wviz__key--target {
  border-top: 2px solid #9fd6cf;
}

.wviz__key--arrow {
  border-top: 2.5px solid #1f2a30;
}

.wviz__key--outline {
  border-top: 1.5px solid #1f2a30;
}

.wviz__key--c1 {
  border-top: 2px solid #0f766e;
}

.wviz__key--c2 {
  border-top: 2px solid #b45309;
}

.wviz__steps {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
}

.wviz__steps li {
  margin: 0 0 0.3rem;
}

.wviz__step {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 6px;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.wviz__step:hover {
  background: #f4f6f6;
}

.wviz__step:focus-visible,
.wviz__play:focus-visible,
.wviz__order:focus-visible {
  outline: 2px solid #0f766e;
  outline-offset: 1px;
}

.wviz__step.is-active {
  border-color: #0f766e;
  background: #eff8f6;
}

.wviz__step.is-done .wviz__step-index {
  background: #0f766e;
  color: #fff;
}

.wviz__step-name {
  display: block;
  font-weight: 600;
  color: #2d3236;
}

.wviz__step-index {
  display: inline-block;
  min-width: 1.35em;
  margin-right: 0.45em;
  border-radius: 999px;
  background: #e6f2f0;
  color: #0f766e;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.35em;
  text-align: center;
}

.wviz__step-math {
  display: block;
  margin-top: 0.15rem;
  padding-left: 1.8em;
  font-size: 0.95em;
}

.wviz .wviz-o21,
.wviz.is-swapped .wviz-o12 {
  display: none;
}

.wviz.is-swapped .wviz-o21 {
  display: inline;
}

.wviz__cov + .wviz__cov {
  margin-top: 0.6rem;
}

.wviz__cov-label {
  margin-bottom: 0.3rem;
  font-size: 0.75rem;
  color: #6b7378;
}

.wviz__matrix {
  display: inline-grid;
  grid-template-columns: repeat(2, 4.2em);
  gap: 0.15rem 0.4rem;
  padding: 0.25rem 0.55rem;
  border-left: 2px solid #2d3236;
  border-right: 2px solid #2d3236;
  border-radius: 4px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.wviz__matrix span {
  transition: color 200ms ease;
}

.wviz__matrix span.is-target {
  color: #0f766e;
  font-weight: 500;
}

.wviz__note {
  min-height: 3em;
  margin: 0.7rem 0 0;
  font-size: 0.8125rem;
  color: #5d656a;
}

.wviz__controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.wviz__play,
.wviz__order {
  flex: none;
  margin: 0;
  border: 1px solid #c9d0d4;
  border-radius: 6px;
  background: #fff;
  color: #2d3236;
  font: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
}

.wviz__play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
}

.wviz__play svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.wviz__order {
  height: 2.25rem;
  padding: 0 0.75rem;
  white-space: nowrap;
}

.wviz__play:hover,
.wviz__order:hover {
  border-color: #0f766e;
  color: #0f766e;
}

.wviz .wviz__scrub {
  flex: 1;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: none;
  accent-color: #0f766e;
}

.wviz figcaption,
.wviz > figcaption {
  margin: 0.8rem 0 0;
  font-family: inherit;
  font-size: 0.8125rem;
  color: #6b7378;
}

@media (max-width: 640px) {
  .wviz__body {
    grid-template-columns: minmax(0, 1fr);
  }

  .wviz__controls {
    flex-wrap: wrap;
  }

  .wviz__order {
    width: 100%;
  }
}

.wviz__line {
  display: block;
}

/* mode="coral": two domains, boundary lines, extra settings */

.wviz--coral {
  container-type: inline-size;
}

.wviz--coral .wviz__body {
  grid-template-columns: minmax(0, 1fr);
}

@container (min-width: 700px) {
  .wviz--coral .wviz__body {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  }
}

@container (min-width: 460px) and (max-width: 699.98px) {
  .wviz--coral .wviz__panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 1rem;
    align-items: start;
  }
}

.wviz--coral .wviz__steps {
  margin-bottom: 0.7rem;
}

.wviz--coral .wviz__steps li {
  margin-bottom: 0.1rem;
}

.wviz--coral .wviz__step {
  padding: 0.28rem 0.55rem;
}

.wviz__group {
  margin: 0.45rem 0 0.15rem;
  padding-left: 0.6rem;
  font-size: 0.75rem;
  color: #6b7378;
}

.wviz__covs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.wviz--coral .wviz__cov + .wviz__cov {
  margin-top: 0;
}

.wviz--coral .wviz__matrix {
  grid-template-columns: repeat(2, 3.6em);
}

.wviz__stat {
  margin: 0.7rem 0 0;
  font-size: 0.8125rem;
}

.wviz__acc {
  margin-top: 0.55rem;
}

/* The note sits under the legend; reserve room so the text changing per step does not
   push the step list and readouts around in the stacked layouts. */
.wviz--coral .wviz__note {
  min-height: 6em;
  margin: 0.6rem 0 0;
}

@container (min-width: 460px) {
  .wviz--coral .wviz__note {
    min-height: 4.5em;
  }
}

.wviz__acc-row {
  display: flex;
  justify-content: space-between;
  max-width: 15rem;
  font-size: 0.8125rem;
}

.wviz__num {
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
  transition: color 200ms ease;
}

.wviz__num.is-target {
  color: #0f766e;
  font-weight: 500;
}

.wviz__key--dot,
.wviz__key--ring {
  width: 8px;
  height: 8px;
  margin-right: 0.15em;
  border-radius: 50%;
  box-sizing: border-box;
}

.wviz__key--dot {
  background: #0f766e;
}

.wviz__key--dot2 {
  background: #b45309;
}

.wviz__key--ring {
  border: 1.3px solid #8a9297;
}

.wviz__key--dot2,
.wviz__key--ring2 {
  margin-right: 0.35em;
}

.wviz.is-labels .wviz__key--ring {
  border-color: #0f766e;
}

.wviz.is-labels .wviz__key--ring2 {
  border-color: #b45309;
}

.wviz__key--solid {
  border-top: 1.5px solid #1f2a30;
}

.wviz__key--ref {
  border-top: 1.6px dashed #6b7378;
}

.wviz .wviz-psi1,
.wviz.is-psi .wviz-psi0,
.wviz .wviz-lab1,
.wviz.is-labels .wviz-lab0 {
  display: none;
}

.wviz.is-psi .wviz-psi1,
.wviz.is-labels .wviz-lab1 {
  display: inline;
}

.wviz--coral .wviz__controls {
  flex-wrap: wrap;
}

.wviz__seg,
.wviz__btns {
  display: inline-flex;
  flex: none;
}

.wviz__btns {
  flex-wrap: wrap;
  gap: 0.5rem;
}

.wviz__seg-btn,
.wviz__labels,
.wviz__psi-set {
  flex: none;
  height: 2.25rem;
  margin: 0;
  padding: 0 0.75rem;
  border: 1px solid #c9d0d4;
  border-radius: 6px;
  background: #fff;
  color: #2d3236;
  font: inherit;
  font-size: 0.8125rem;
  white-space: nowrap;
  cursor: pointer;
}

.wviz__seg > button + button {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.wviz__seg > button:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.wviz__seg-btn[aria-pressed="true"],
.wviz__labels[aria-pressed="true"] {
  position: relative;
  border-color: #0f766e;
  background: #eff8f6;
  color: #0f766e;
}

.wviz__seg-btn:hover,
.wviz__labels:hover,
.wviz__psi-set:hover {
  position: relative;
  border-color: #0f766e;
  color: #0f766e;
}

.wviz__seg-btn:focus-visible,
.wviz__labels:focus-visible,
.wviz__psi-set:focus-visible,
.wviz__more summary:focus-visible {
  position: relative;
  outline: 2px solid #0f766e;
  outline-offset: 1px;
}

.wviz__settings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-top: 0.7rem;
}

.wviz__setting {
  display: flex;
  flex: 1 1 15rem;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 400;
}

.wviz__setting-name {
  flex: none;
  color: #2d3236;
  font-weight: 600;
}

.wviz__setting-value {
  flex: none;
  min-width: 3.4em;
  text-align: right;
}

.wviz .wviz__phi,
.wviz .wviz__psi {
  flex: 1;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: none;
  accent-color: #0f766e;
}

.wviz__more {
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px solid #e3e6e8;
  font-size: 0.8125rem;
}

.wviz__more summary {
  color: #2d3236;
  font-weight: 600;
  cursor: pointer;
}

.wviz__more p {
  margin: 0.55rem 0 0;
  color: #5d656a;
  font-size: 0.8125rem;
}

@media (max-width: 640px) {
  .wviz--coral .wviz__controls > .wviz__seg {
    width: 100%;
  }

  .wviz--coral .wviz__controls > .wviz__seg > button {
    flex: 1;
  }
}