/* The dekatron figures (javascripts/dekatron/) and the static figures. The theme is the
   polyhedra companion site's (indigo, red accent); colors come from Material's own variables, so
   both themes work. The one fixed color is the glow: neon orange, what a neon dekatron looks
   like. Static SVG figures sit on white plates in both themes: they are drawn on white. */

:root {
  --ring-glow: #ff6a00;
}

.md-typeset .figure-plate img,
.md-typeset img.figure-plate {
  background: #fff;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.2rem;
  padding: 0.4rem;
}

.dekatron-ring {
  margin: 1.2rem 0 1.6rem;
}

.ring__body {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}

@media screen and (min-width: 48em) {
  .ring__body {
    align-items: start;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

.ring__figure {
  margin: 0 auto;
  max-width: 26rem;
  width: 100%;
}

.ring__svg {
  display: block;
  height: auto;
  width: 100%;
}

.ring__svg:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}

.ring__anode {
  fill: var(--md-default-fg-color--lightest);
  stroke: var(--md-default-fg-color--lighter);
}

.ring__anode-label,
.ring__labels text,
.ring__bus-label,
.ring__guide-label {
  fill: var(--md-default-fg-color--light);
  font-size: 11px;
}

.ring__labels text {
  fill: var(--md-default-fg-color);
  font-size: 13px;
  font-weight: 600;
}

.ring__guide-label {
  fill: var(--md-default-fg-color);
  font-weight: 600;
}

.ring__el > * {
  fill: var(--md-default-bg-color);
  stroke: var(--md-default-fg-color--light);
  stroke-width: 1.5;
  transition: fill 0.25s, stroke 0.25s;
}

/* The lit electrode is marked by a heavy outline as well as the glow color. */
.ring__el--lit > * {
  fill: var(--ring-glow);
  stroke: var(--md-default-fg-color);
  stroke-width: 3;
}

.ring__halo-stop {
  stop-color: var(--ring-glow);
}

.ring__halos circle {
  transition: opacity 0.25s;
}

.ring__connections {
  display: none;
}

.ring--connections .ring__connections {
  display: inline;
}

.ring__bus,
.ring__wire {
  fill: none;
  stroke: var(--md-default-fg-color--lighter);
  stroke-width: 1.2;
}

.ring__wire--index {
  stroke: var(--md-default-fg-color--light);
  stroke-dasharray: 3 2;
}

.ring__node {
  fill: var(--md-default-fg-color--light);
}

.ring__panel {
  font-size: 0.75rem;
}

.md-typeset .ring__badge {
  border-left: 0.2rem solid var(--md-default-fg-color--lighter);
  font-weight: 600;
  margin: 0 0 0.6rem;
  padding: 0.2rem 0.5rem;
}

.md-typeset .ring__badge--transfer {
  background: var(--md-accent-fg-color--transparent);
  border-left-color: var(--md-accent-fg-color);
}

.md-typeset .ring__state {
  display: grid;
  gap: 0.2rem 0.8rem;
  grid-template-columns: max-content minmax(0, 1fr);
  margin: 0 0 0.6rem;
}

.md-typeset .ring__state dt {
  color: var(--md-default-fg-color--light);
  font-style: normal;
}

.md-typeset .ring__state dd {
  margin: 0;
}

.md-typeset .ring__volts {
  color: var(--md-default-fg-color--light);
  margin: 0 0 0.6rem;
}

.md-typeset .ring__caption {
  margin: 0;
  min-height: 6.5em;
}

.ring__controls {
  display: flex;
  flex-wrap: wrap;
  font-size: 0.7rem;
  gap: 0.5rem 1.2rem;
  margin-top: 0.8rem;
}

.ring__group {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
}

.md-typeset .ring__button {
  margin: 0;
  padding: 0.3em 0.9em;
}

.ring__controls select,
.ring__controls input[type="range"] {
  font: inherit;
  vertical-align: middle;
}

.ring__controls select {
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lighter);
  color: var(--md-default-fg-color);
}

/* The drive record under the ring's controls (javascripts/dekatron/scope.js), collapsed by default. */

.md-typeset details.scope__details {
  margin-top: 1rem;
}

.md-typeset figure.scope {
  margin: 1rem 0 0;
  max-width: none;
}

.scope__svg {
  display: block;
  height: auto;
  width: 100%;
}

.md-typeset figure.scope figcaption {
  color: var(--md-default-fg-color--light);
  font-size: 0.7rem;
  max-width: none;
}

.scope__lane {
  fill: var(--md-default-fg-color);
  font-size: 12px;
  font-weight: 600;
}

.scope__tick {
  fill: var(--md-default-fg-color--light);
  font-size: 10px;
}

.scope__ref {
  stroke: var(--md-default-fg-color--lighter);
  stroke-dasharray: 3 3;
}

.scope__now {
  fill: color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
}

.scope__trace {
  fill: none;
  stroke: var(--md-default-fg-color);
  stroke-linejoin: round;
  stroke-width: 2;
}

.scope__trace--rtn {
  stroke: var(--md-default-fg-color--light);
  stroke-dasharray: 5 3;
  stroke-width: 1.5;
}

.scope__grid {
  stroke: var(--md-default-fg-color--lightest);
}

.scope__value {
  fill: var(--md-default-fg-color);
  font-size: 10px;
  font-weight: 600;
}

.scope__glow {
  fill: var(--md-default-fg-color--light);
  font-size: 10px;
}

.scope__glow--guide {
  fill: var(--md-default-fg-color);
}

.scope__glow--now {
  font-weight: 700;
}

/* The unrolled electrodes (javascripts/dekatron/strip.js). */

.dekatron-strip {
  margin: 1.2rem 0 1.6rem;
}

.strip__figure {
  margin: 0 auto 0.6rem;
  max-width: 40rem;
}

.strip__svg {
  display: block;
  height: auto;
  width: 100%;
}

.strip__svg:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}

.strip__world--animate {
  transition: transform 0.5s ease-in-out;
}

.strip__cloud-stop {
  stop-color: var(--ring-glow);
}

.strip__lead,
.strip__axis {
  stroke: var(--md-default-fg-color--light);
  stroke-width: 1.5;
}

.strip__name {
  fill: var(--md-default-fg-color);
  font-size: 13px;
  font-weight: 600;
}

.strip__label,
.strip__limit-label {
  fill: var(--md-default-fg-color--light);
  font-size: 11px;
}

.strip__limit-label {
  paint-order: stroke;
  stroke: var(--md-default-bg-color);
  stroke-width: 3px;
}

.strip__grid {
  stroke: var(--md-default-fg-color--lightest);
}

.strip__anode-line {
  stroke: var(--md-default-fg-color);
  stroke-width: 1.5;
}

.strip__need {
  fill: none;
  stroke: var(--md-default-fg-color--light);
  stroke-dasharray: 3 2;
}

.strip__tick {
  stroke: var(--md-default-fg-color);
  stroke-width: 2;
}

.strip__dot {
  fill: var(--md-default-fg-color);
}

.strip__bar {
  fill: var(--md-default-fg-color--lighter);
}

.strip__bar--lit {
  fill: var(--ring-glow);
}

.strip__value {
  fill: var(--md-default-fg-color);
  font-size: 11px;
}

.strip__primed {
  fill: var(--md-default-fg-color);
  font-size: 11px;
  font-style: italic;
}

.strip__arrow {
  fill: none;
  stroke: var(--md-default-fg-color);
  stroke-width: 1.5;
}

/* Narrow layouts are scaled down further on a phone: larger text keeps them readable. */
.scope__svg--narrow .scope__tick,
.scope__svg--narrow .scope__glow,
.scope__svg--narrow .scope__value,
.strip__svg--narrow .strip__label,
.strip__svg--narrow .strip__limit-label,
.strip__svg--narrow .strip__value,
.strip__svg--narrow .strip__primed {
  font-size: 13px;
}

.scope__svg--narrow .scope__lane,
.strip__svg--narrow .strip__name {
  font-size: 15px;
}

.md-typeset .strip__caption {
  min-height: 7.5em;
}

@media (prefers-reduced-motion: reduce) {
  .strip__world--animate,
  .ring__el > *,
  .ring__halos circle {
    transition: none;
  }
}