/* Story figures (docs/figures/*.js). CuperOS look: window chrome and a pixel
   title bar; readable sans for text, mono for numbers. Every token falls back
   to a plain value so the figures also work outside the docs shell. */
.gsf {
  --f-ink: var(--text-dark, #1c1d21);
  --f-soft: var(--text-soft, #4a4c54);
  --f-body: var(--window-body, #f7f6f2);
  --f-chrome: var(--window-chrome, #d3d5da);
  --f-well: var(--chrome-well, #e6e8ec);
  --f-line: var(--frame-line, #b5b8bf);
  --f-blue: var(--title-bar, #2a3f8f);
  --f-cyan: var(--accent-cyan, #1f8a96);
  --f-gold: var(--accent-gold, #e8b92a);
  --f-green: var(--accent-green, #4fa31e);
  --f-red: oklch(0.5 0.17 28);
  --f-sans: var(--font-body, "IBM Plex Sans", system-ui, sans-serif);
  --f-mono: var(--font-mono, "IBM Plex Mono", ui-monospace, monospace);
  --f-pixel: var(--font-display, "Pixelify Sans", ui-monospace, monospace);
  position: relative;
  margin: 0 0 24px;
  max-width: 100%;
  min-width: 0;
  background: var(--f-chrome);
  border: 2px outset var(--button-face, #d3d5da);
  box-shadow: var(--shadow, 2px 2px 0 #14151a);
  color: var(--f-ink);
  font: 400 15px/1.5 var(--f-sans);
  container-type: inline-size;
}

.gsf *,
.gsf *::before,
.gsf *::after {
  box-sizing: border-box;
}

.gsf-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 5px 7px;
  background: linear-gradient(90deg, var(--f-blue), var(--title-bar-end, #3a50a0));
  border-bottom: 2px solid var(--inset-dark, #5a5c64);
  color: var(--text-light, #f4f4f2);
  user-select: none;
}

.gsf-title {
  min-width: 0;
  font: 700 14px/1.3 var(--f-pixel);
}

.gsf-replay {
  flex: 0 0 auto;
  min-height: 24px;
  padding: 0 9px;
  border: 2px outset var(--button-face, #d3d5da);
  border-radius: 0;
  background: var(--button-face, #d3d5da);
  color: var(--f-ink);
  font: 600 13px/1 var(--f-sans);
  cursor: pointer;
}

.gsf-replay:hover {
  background: var(--button-hover, #e0e2e6);
}

.gsf-replay:active {
  border-style: inset;
}

.gsf-replay[hidden] {
  display: none;
}

.gsf button:focus-visible,
.gsf input:focus-visible,
.gsf [tabindex]:focus-visible {
  outline: 3px solid var(--f-gold);
  outline-offset: 1px;
}

.gsf-stage {
  position: relative;
  padding: 14px;
  background: var(--f-body);
  border: 2px inset var(--f-chrome);
  min-height: 120px;
}

.gsf-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.gsf-note {
  margin: 10px 0 0;
  color: var(--f-soft);
  font-size: 13px;
  line-height: 1.45;
}

.gsf-note b,
.gsf-num {
  font-family: var(--f-mono);
  font-weight: 500;
}

.gsf-tag {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--f-line);
  background: var(--f-well);
  color: var(--f-soft);
  font: 500 13px/1.5 var(--f-mono);
}

/* segmented buttons and tabs */
.gsf-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
}

.gsf-seg button {
  min-height: 34px;
  padding: 4px 11px;
  border: 2px outset var(--button-face, #d3d5da);
  border-radius: 0;
  background: var(--button-face, #d3d5da);
  color: var(--f-ink);
  font: 500 14px/1.3 var(--f-sans);
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}

.gsf-seg button:hover {
  background: var(--button-hover, #e0e2e6);
}

.gsf-seg button[aria-pressed="true"],
.gsf-seg button[aria-selected="true"] {
  border-style: inset;
  background: var(--f-blue);
  color: var(--text-light, #f4f4f2);
}

/* range input */
.gsf input[type="range"] {
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  accent-color: var(--f-blue);
  cursor: pointer;
}

/* ---------- hook-gpu-hours ---------- */
.hk-pair {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: start;
}

.hk-col {
  min-width: 0;
}

.hk-label {
  margin: 0 0 6px;
  font: 600 14px/1.3 var(--f-sans);
}

.hk-chip {
  width: 100%;
  max-width: 104px;
  height: auto;
  color: var(--f-blue);
  transition: filter 0.3s;
}

.hk-chip.is-busy {
  filter: drop-shadow(0 0 5px var(--f-gold));
}

.hk-gridwrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: flex-end;
}

.hk-grid {
  display: block;
  flex: 0 1 300px;
  width: 300px;
  max-width: 100%;
  aspect-ratio: 1;
  background: #252a35;
  border: 2px solid var(--f-ink);
}

.hk-legend {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--f-soft);
  font: 400 13px/1.3 var(--f-sans);
}

.hk-sw {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 7px;
  vertical-align: -1px;
  border: 1px solid var(--f-ink);
}

.hk-sw.is-off {
  background: #4b5468;
}

.hk-sw.is-on {
  background: #4fd0da;
}

.hk-sw.is-new {
  background: #f3cf55;
}

.hk-time {
  margin-top: 16px;
}

.hk-time-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font: 600 14px/1.3 var(--f-sans);
}

.hk-clock {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
}

.hk-track {
  position: relative;
  height: 20px;
  background: var(--f-well);
  border: 2px inset var(--f-chrome);
}

.hk-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: repeating-linear-gradient(90deg, var(--f-cyan) 0 6px, color-mix(in oklab, var(--f-cyan) 78%, white) 6px 8px);
  border-right: 2px solid var(--f-ink);
  transform-origin: left center;
}

.hk-value {
  margin: 8px 0 0;
}

.hk-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 12px;
  margin: 0 0 4px;
  opacity: 0.35;
  transition: opacity 0.3s;
}

.hk-row.is-on {
  opacity: 1;
}

.hk-who {
  flex: 0 0 9.5em;
  color: var(--f-soft);
  font: 500 14px/1.4 var(--f-sans);
}

.hk-when {
  font: 500 17px/1.4 var(--f-mono);
}

.hk-axis {
  display: flex;
  justify-content: space-between;
  margin: 3px 0 0;
  color: var(--f-soft);
  font: 400 13px/1.2 var(--f-mono);
}

@container (max-width: 520px) {
  .hk-pair {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hk-col:first-child {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hk-col:first-child .hk-label {
    margin: 0;
  }

  .hk-chip {
    max-width: 56px;
  }

  .hk-grid {
    flex-basis: 220px;
    width: 220px;
  }

  .hk-who {
    flex-basis: 100%;
  }

  .hk-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
  }
}

/* ---------- cost-ladder ---------- */
.cl {
  max-width: 640px;
  margin: 0 auto;
  padding: 4px 0;
}

.cl-rung {
  display: block;
  width: 100%;
  margin: 0;
  padding: 10px 12px;
  border: 2px outset var(--button-face, #d3d5da);
  border-radius: 0;
  background: var(--f-well);
  color: var(--f-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s var(--ease-snap, ease), transform 0.35s var(--ease-snap, ease), background 0.2s;
}

.cl-rung.is-in {
  opacity: 1;
  transform: none;
}

.cl-rung[aria-pressed="true"] {
  background: var(--gold-wash, #f6ecc4);
  border-color: var(--f-gold);
}

.cl-name {
  display: block;
  font: 700 16px/1.3 var(--f-sans);
}

.cl-sub {
  display: block;
  margin-top: 2px;
  color: var(--f-soft);
  font-size: 14px;
  line-height: 1.4;
}

.cl-sub b {
  font-family: var(--f-mono);
  font-weight: 500;
  color: var(--f-ink);
}

.cl-row {
  display: grid;
  gap: 8px;
}

.cl-row.two {
  grid-template-columns: 1fr 1fr;
}

.cl-row.three {
  grid-template-columns: repeat(3, 1fr);
}

.cl-link {
  position: relative;
  min-height: 38px;
  margin: 0 0 0 22px;
  padding: 7px 0 7px 18px;
  color: var(--f-soft);
  font-size: 13px;
  line-height: 1.35;
  opacity: 0;
  transition: opacity 0.35s, color 0.2s;
}

.cl-link.is-in {
  opacity: 1;
}

.cl-link::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: repeating-linear-gradient(180deg, var(--f-line) 0 5px, transparent 5px 8px);
  transition: background 0.2s, width 0.2s;
}

.cl-link::after {
  content: "";
  position: absolute;
  left: -4px;
  bottom: 0;
  border: 5.5px solid transparent;
  border-top: 7px solid var(--f-line);
  border-bottom: 0;
  transition: border-top-color 0.2s;
}

.cl-link.is-hot {
  color: var(--f-ink);
  font-weight: 600;
}

.cl-link.is-hot::before {
  width: 4px;
  background: repeating-linear-gradient(180deg, var(--f-red) 0 5px, transparent 5px 8px);
  animation: cl-flow 0.9s linear infinite;
}

.cl-link.is-hot::after {
  border-top-color: var(--f-red);
}

@keyframes cl-flow {
  to {
    background-position: 0 8px;
  }
}

@container (max-width: 480px) {
  .cl-row {
    gap: 6px;
  }

  .cl-row.three .cl-rung,
  .cl-row.two .cl-rung {
    padding: 8px;
  }

  .cl-row.three .cl-name {
    font-size: 14px;
  }

  .cl-row.three .cl-sub {
    font-size: 13px;
  }

  .cl-link {
    margin-left: 10px;
  }
}

/* ---------- drivers ---------- */
.dr-bars {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dr-row {
  display: grid;
  grid-template-columns: minmax(0, 40%) 1fr 48px;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.3;
}

.dr-track {
  height: 18px;
  background: var(--f-well);
  border: 1px solid var(--f-line);
}

.dr-fill {
  height: 100%;
  background: var(--f-blue);
  transform-origin: left center;
  transform: scaleX(0);
}

.dr-row.is-top .dr-fill {
  background: var(--f-cyan);
}

.dr-bars.dr-placeholder .dr-row .dr-fill {
  background: repeating-linear-gradient(135deg, var(--f-line) 0 5px, var(--f-well) 5px 10px);
}

.dr-val {
  text-align: right;
  font: 500 14px var(--f-mono);
}

.dr-banner {
  margin: 0 0 10px;
  padding: 5px 9px;
  border: 1px dashed var(--f-red);
  color: var(--f-red);
  font-size: 13px;
}

.dr-play {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 2px groove var(--f-chrome);
}

.dr-q {
  margin: 0 0 6px;
  font: 700 16px/1.35 var(--f-sans);
}

.dr-use {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 14px;
}

.dr-use b {
  font: 500 18px var(--f-mono);
}

.dr-scale {
  position: relative;
  height: 22px;
  margin: 0 8px;
  color: var(--f-soft);
  font: 400 13px/1.2 var(--f-mono);
}

.dr-scale i {
  position: absolute;
  top: 0;
  height: 6px;
  background: var(--f-gold);
  border: 1px solid var(--gold-line, #b08a1a);
}

.dr-scale span {
  position: absolute;
  top: 8px;
  white-space: nowrap;
}

.dr-out {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
}

.dr-big {
  flex: 0 0 auto;
  min-width: 4.6ch;
  font: 600 40px/1 var(--f-mono);
}

.dr-big small {
  display: block;
  margin-top: 4px;
  color: var(--f-soft);
  font: 400 13px/1.3 var(--f-sans);
}

.dr-meter {
  flex: 1;
  min-width: 0;
}

.dr-meter-track {
  position: relative;
  height: 22px;
  background: var(--f-well);
  border: 2px inset var(--f-chrome);
  overflow: hidden;
}

.dr-meter-fill {
  height: 100%;
  width: 50%;
  background: var(--f-red);
  transition: width 0.25s var(--ease-snap, ease);
}

.dr-meter-ref {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--f-ink);
}

.dr-meter p {
  margin: 4px 0 0;
  color: var(--f-soft);
  font-size: 13px;
}

@container (max-width: 480px) {
  .dr-row {
    grid-template-columns: 1fr 44px;
    gap: 2px 8px;
  }

  .dr-row .dr-label {
    grid-column: 1 / -1;
  }

  .dr-out {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .dr-big {
    font-size: 34px;
  }
}

/* ---------- lithography ---------- */
.li-scene {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin: 0 auto;
}

.li-scene text {
  font: 500 16px var(--f-sans);
  fill: #cfd3dc;
}

.li-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 10px;
}

.li-controls label,
.li-lab {
  display: block;
  margin: 0 0 2px;
  font: 600 14px/1.3 var(--f-sans);
}

.li-controls .gsf-seg {
  margin-top: 0;
}

.li-read {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--f-well);
  border: 2px inset var(--f-chrome);
}

.li-cd {
  margin: 0;
  font: 600 30px/1.1 var(--f-mono);
}

.li-cd small {
  display: block;
  margin: 2px 0 0;
  color: var(--f-soft);
  font: 400 14px var(--f-sans);
}

.li-eq {
  margin: 4px 0 0;
  color: var(--f-soft);
  font: 400 14px/1.4 var(--f-mono);
}

.li-caption {
  margin: 12px 0 0;
  padding-top: 8px;
  border-top: 2px groove var(--f-chrome);
  color: var(--f-soft);
  font-size: 14px;
  line-height: 1.5;
}

@container (max-width: 480px) {
  .li-controls {
    grid-template-columns: 1fr;
  }
}

/* ---------- accuracy ---------- */
.ac-wrap {
  position: relative;
}

.ac-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.ac-svg text {
  font: 400 13px var(--f-mono);
  fill: var(--f-soft);
}

.ac-svg .ac-axis-title {
  font: 600 13px var(--f-sans);
  fill: var(--f-ink);
}

.ac-svg .ac-grid {
  stroke: var(--f-line);
  stroke-width: 1;
  opacity: 0.55;
}

.ac-svg .ac-band {
  fill: var(--f-gold);
  opacity: 0.28;
}

.ac-svg .ac-diag {
  stroke: var(--f-ink);
  stroke-width: 1.5;
  stroke-dasharray: 5 4;
  fill: none;
}

.ac-pt {
  fill: var(--f-blue);
  stroke: var(--f-body);
  stroke-width: 1.5;
  cursor: pointer;
  transition: cx 0.35s var(--ease-snap, ease), cy 0.35s var(--ease-snap, ease), r 0.15s;
}

.ac-pt.is-miss {
  fill: var(--f-red);
}

.ac-pt:hover,
.ac-pt:focus-visible {
  r: 8;
  outline: none;
  stroke: var(--f-ink);
  stroke-width: 2;
}

.ac-tip {
  position: absolute;
  z-index: 3;
  max-width: 230px;
  padding: 6px 9px;
  background: var(--f-ink);
  color: var(--text-light, #f4f4f2);
  font: 400 13px/1.4 var(--f-sans);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}

.ac-tip.is-on {
  opacity: 1;
}

.ac-tip b {
  display: block;
  font-weight: 600;
}

.ac-tip span {
  font-family: var(--f-mono);
  font-size: 13px;
}

.ac-read {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin-top: 10px;
}

.ac-read b {
  font: 600 22px var(--f-mono);
}

/* ---------- flaky-sites ---------- */
.fk-tabs {
  margin: 0 0 8px;
}

.fk-desc {
  min-height: 3em;
  margin: 0 0 12px;
  font-size: 15px;
}

.fk-sites {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: stretch;
  gap: 0;
}

.fk-site {
  position: relative;
  padding: 8px 10px 10px;
  background: var(--f-well);
  border: 2px outset var(--f-chrome);
  transition: background 0.25s;
}

.fk-site.is-down {
  background: color-mix(in oklab, var(--f-red) 14%, var(--f-well));
}

.fk-site-head {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 6px;
  font: 700 13px/1.2 var(--f-pixel);
}

.fk-lamp {
  width: 11px;
  height: 11px;
  border: 1px solid var(--f-ink);
  background: var(--f-green);
  transition: background 0.2s;
}

.fk-lamp.is-down {
  background: var(--f-red);
}

.fk-lamp.is-wait {
  background: var(--f-gold);
}

.fk-state {
  margin-left: auto;
  font: 400 13px var(--f-sans);
  color: var(--f-soft);
}

.fk-steps {
  height: 12px;
  background: var(--f-body);
  border: 1px solid var(--f-line);
}

.fk-steps i {
  display: block;
  height: 100%;
  background: var(--f-blue);
}

.fk-num {
  margin: 4px 0 6px;
  font: 400 13px var(--f-mono);
  color: var(--f-soft);
}

.fk-w {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
}

.fk-w i {
  height: 8px;
  background: var(--f-cyan);
}

.fk-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fk-link::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--f-line);
}

.fk-link span {
  position: relative;
  padding: 1px 4px;
  background: var(--f-body);
  color: var(--f-soft);
  font: 500 13px/1.2 var(--f-sans);
  opacity: 0;
  transition: opacity 0.2s;
}

.fk-link.is-on::before {
  background: var(--f-green);
  height: 4px;
}

.fk-link.is-on span {
  opacity: 1;
  color: var(--f-ink);
}

.fk-loss {
  margin-top: 12px;
}

.fk-loss-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 3px;
  font-size: 13px;
  color: var(--f-soft);
}

.fk-svg {
  display: block;
  width: 100%;
  height: 90px;
  background: var(--f-body);
  border: 1px solid var(--f-line);
}

.fk-svg path {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.fk-panel2 {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 2px groove var(--f-chrome);
}

.fk-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--f-soft);
}

.fk-legend i {
  display: inline-block;
  width: 18px;
  height: 0;
  margin-right: 6px;
  vertical-align: middle;
  border-top: 3px solid;
}

@container (max-width: 480px) {
  .fk-sites {
    grid-template-columns: 1fr 34px 1fr;
  }

  .fk-link span {
    display: none;
  }

  .fk-state {
    display: none;
  }

  .fk-seg-col button {
    width: 100%;
  }
}

/* ---------- agents-report-card ---------- */
.rc-sheet {
  max-width: 560px;
  margin: 0 auto;
  padding: 14px 16px 12px;
  background: #fdfcf7;
  border: 1px solid var(--f-line);
  box-shadow: 3px 3px 0 color-mix(in oklab, var(--f-ink) 18%, transparent);
}

.rc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--f-ink);
  font: 700 14px var(--f-pixel);
}

.rc-head span:last-child {
  font: 400 13px var(--f-sans);
  color: var(--f-soft);
}

.rc-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4px 14px;
  padding: 10px 0;
  border-bottom: 1px dotted var(--f-line);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s, transform 0.3s;
}

.rc-row.is-in {
  opacity: 1;
  transform: none;
}

.rc-task {
  font-size: 15px;
  line-height: 1.35;
}

.rc-grade {
  position: relative;
  min-width: 8.5em;
  text-align: right;
  font: 600 16px/1.3 var(--f-mono);
}

.rc-old {
  position: relative;
  display: inline-block;
}

.rc-old::after {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  top: 47%;
  height: 3px;
  background: var(--f-red);
  transform: scaleX(var(--strike, 0)) rotate(-2deg);
  transform-origin: left center;
}

.rc-new {
  display: block;
  min-height: 1.3em;
  color: var(--f-red);
  font: italic 500 15px/1.3 var(--f-sans);
  opacity: var(--shown, 0);
  transform: translateY(calc((1 - var(--shown, 0)) * 4px));
}

.rc-foot {
  margin: 10px 0 0;
  color: var(--f-soft);
  font-size: 13px;
  opacity: 0;
  transition: opacity 0.4s;
}

.rc-foot.is-in {
  opacity: 1;
}

@container (max-width: 480px) {
  .rc-row {
    grid-template-columns: 1fr;
  }

  .rc-grade {
    text-align: left;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gsf *,
  .gsf *::before,
  .gsf *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* Touch: every control in a figure is at least 40px tall. */
@media (pointer: coarse), (max-width: 600px) {
  .gsf-replay {
    min-width: 48px;
    min-height: 40px;
    padding: 0 12px;
  }

  .gsf-seg button {
    min-height: 40px;
  }

  .gsf input[type="range"] {
    height: 40px;
  }
}