/* Charts: the guess and the drift grids on the stage, the paired bars and the dot plot on the
   methods page. Class prefixes: ch (shared), gs (guess), dr (drift), wn (why now), va (validity).
   The stage's charts size themselves from their scene's visual area (.scene-visual, a size
   container), so each one fills the room its scene gives it. */

/* Shared */
.ch-svg {
  display: block;
  max-width: 100%;
  height: auto;
}
.ch-svg text {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  fill: var(--ink);
}
.ch-axis,
.ch-tick {
  stroke: var(--ink-label);
  stroke-width: 1;
}
.ch-svg .ch-tick-label {
  fill: var(--ink-label);
}
.ch-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  margin: 0 0 16px;
}
.ch-key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
/* A chart that has gone out of view empties at once, without its transitions, so it can
   fill again when the reader comes back. */
.is-resetting,
.is-resetting * {
  transition: none !important;
}
.fallback {
  color: var(--ink-body);
}

/* ---------- 1. The guess ---------- */

.guess {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  max-height: 660px;
  margin: 0;
}
@media (min-width: 960px) {
  .guess {
    margin-block: auto;
    height: min(100%, 660px);
    position: relative;
    top: 50%;
    translate: 0 -50%;
  }
}
.guess-root {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
}
.guess-root [hidden] {
  display: none !important;
}
.gs {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
}
/* The plot: the big number up top, and after the reveal, the bars rising from the track. */
.gs-plot {
  position: relative;
  flex: 1 1 auto;
  min-height: 120px;
}
/* The big number sits just over the track, next to the star it follows. */
.gs-number {
  position: absolute;
  bottom: 36px;
  left: 0;
  z-index: 1;
  font-size: clamp(3.25rem, min(23cqw, 26cqh), 10.25rem);
}
.gs-number-label {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
}
/* The serif role, large: a big number. */
.gs-num {
  margin: 0;
  /* At this line height the digits rise above their box; the padding gives that back, so the
     label over the number keeps its gap. */
  padding-top: 0.1em;
  font-family: var(--serif);
  font-size: 1em;
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: -0.035em;
  font-variant-numeric: lining-nums tabular-nums;
  font-variation-settings: "opsz" 72;
  color: var(--ink);
}
.gs-stars {
  width: 1.86em;
  height: auto;
  margin-top: 0.12em;
}
.gs-hist {
  position: absolute;
  inset: 0;
}
.gs-hist svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.gs-band {
  fill: var(--ink-wash);
}
.gs-bars {
  fill: var(--ink);
  transform-box: view-box;
  transition: transform var(--move) var(--ease);
}
.gs-median {
  stroke: var(--ink);
  stroke-width: 1;
  stroke-dasharray: 2 3;
}
.ch-svg .gs-median-label {
  font-weight: 500;
}
.ch-svg .gs-band-label {
  fill: var(--ink-label);
}
.gs-anno {
  transition: opacity var(--fade) var(--ease) 200ms;
}
.is-pending .gs-bars {
  transform: scaleY(0);
}
.is-pending .gs-anno {
  opacity: 0;
}
/* Packaged food on the same scale: a pale gold area under the bars and a gold outline over
   them, drawn once the bars have risen. */
.gs-food-area {
  fill: var(--gold-light);
  transition: opacity var(--fade) var(--ease) 500ms;
}
.gs-food {
  fill: none;
  stroke: var(--gold-edge);
  stroke-width: 1.5;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1100ms var(--ease) 450ms;
}
.ch-svg .gs-food-label {
  fill: var(--gold-edge);
  font-weight: 500;
  transition: opacity var(--fade) var(--ease) 1200ms;
}
.is-pending .gs-food-area,
.is-pending .gs-food-label {
  opacity: 0;
}
.is-pending .gs-food {
  stroke-dashoffset: 1;
}

/* The slider: its track is the chart's axis, so it tucks up under the bars. */
.gs-slider {
  position: relative;
  z-index: 2;
  margin-top: -22px;
  -webkit-user-select: none;
  user-select: none;
}
.gs-range {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 44px;
  margin: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  touch-action: none;
}
.gs-range:disabled {
  cursor: default;
}
.gs-range::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--ink);
  border: 0;
}
.gs-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 36px;
  height: 36px;
  margin-top: -17px;
  border: 0;
  background: transparent center / 100% 100% no-repeat;
  transition: transform var(--press) var(--ease);
}
.gs-range:not(:disabled):active::-webkit-slider-thumb {
  transform: scale(1.12);
}
.gs-range::-moz-range-track {
  height: 2px;
  background: var(--ink);
  border: 0;
}
.gs-range::-moz-range-thumb {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 0;
  background: transparent center / 100% 100% no-repeat;
  transition: transform var(--press) var(--ease);
}
.gs-range:not(:disabled):active::-moz-range-thumb {
  transform: scale(1.12);
}
.gs-range:focus {
  outline: none;
}
.gs-range:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}
@supports selector(:has(*)) {
  .gs-range:focus-visible {
    outline: none;
  }
  .gs-slider:has(.gs-range:focus-visible) {
    outline: 2px solid var(--ink);
    outline-offset: 4px;
  }
}
/* Touch screens: only the star takes a touch, so a swipe that starts on the track still moves
   between scenes, and the star gets a 44px square to grab while it is drawn at 36px. */
@media (pointer: coarse) {
  .gs-range {
    width: calc(100% + 8px);
    margin: 0 -4px;
    pointer-events: none;
  }
  .gs-range::-webkit-slider-runnable-track {
    background: linear-gradient(var(--ink), var(--ink)) center / calc(100% - 8px) 100% no-repeat;
  }
  .gs-range::-webkit-slider-thumb {
    box-sizing: border-box;
    width: 44px;
    height: 44px;
    margin-top: -21px;
    border: 4px solid transparent;
    background-origin: content-box;
    background-clip: content-box;
    pointer-events: auto;
  }
  .gs-range::-moz-range-track {
    background: linear-gradient(var(--ink), var(--ink)) center / calc(100% - 8px) 100% no-repeat;
  }
  .gs-range::-moz-range-thumb {
    box-sizing: border-box;
    width: 44px;
    height: 44px;
    border: 4px solid transparent;
    background-origin: content-box;
    background-clip: content-box;
    pointer-events: auto;
  }
}
/* Tick labels sit under the thumb's center at 1 to 5, inset by half a thumb. */
.gs-ticks {
  position: relative;
  height: 22px;
  margin: -12px 18px 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1;
  color: var(--ink-label);
}
.gs-ticks span {
  position: absolute;
  top: 10px;
  transform: translateX(-50%);
}
.gs-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 8px;
}
.gs-hint {
  flex: 1 1 12rem;
  min-width: 0;
}
.guess-cap {
  flex: none;
  margin: 0;
  max-width: 44rem;
  font-size: 0.6875rem;
}
/* Each source link gets a 32px tall target without moving the line; it reaches up more than
   down, so it stays clear of the counter below. */
.guess-cap a {
  display: inline-block;
  padding-block: 12px 4px;
  margin-block: -12px -4px;
}

/* ---------- 2. The drift ---------- */

.dr-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.drift {
  display: grid;
  height: 100%;
  place-items: center;
}
/* Four grids, two by two. charts.js sets --dr-n to the biggest size that fits; this first
   guess holds until it does. */
.dr-list {
  --dr-gap: 12px;
  --dr-n: min(calc((100cqw - 2 * var(--dr-gap)) / 3), calc((100cqh - 250px) / 2.4), 300px);
  /* A column is never narrower than its labels need, even when the grid in it is small. */
  --dr-col: max(var(--dr-n), min(10.5rem, calc((100cqw - 2 * var(--dr-gap)) / 3)));
  display: grid;
  grid-template-columns: repeat(3, var(--dr-col));
  justify-content: center;
  align-content: center;
  gap: 14px var(--dr-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}
/* Each row opens with its heading, rating people then rating things, under a hairline. */
.dr-group {
  grid-column: 1 / -1;
  padding-top: 6px;
  border-top: 1px solid var(--ink-rule);
}
.dr-group:first-child {
  padding-top: 0;
  border-top: 0;
}
.dr-group p {
  margin: 0;
  color: var(--ink);
}
.dr-item {
  display: grid;
  align-content: start;
  width: var(--dr-col);
  min-width: 0;
}
.dr-short {
  display: none;
}
@media (max-width: 719.98px) {
  .dr-list:has(.dr-short) .dr-long,
  .dr-list:has(.dr-short) .dr-note {
    display: none;
  }
  .dr-short {
    display: inline;
  }
}
/* The shortest screens keep each grid's number and name, and drop the note under them. */
@container (max-height: 330px) {
  .dr-note {
    display: none;
  }
}
.dr-stars {
  width: var(--dr-n);
  height: var(--dr-n);
}
.dr-num {
  margin: 8px 0 2px;
  font-family: var(--serif);
  font-size: max(1.375rem, calc(var(--dr-n) * 0.19));
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-variant-numeric: lining-nums tabular-nums;
  font-variation-settings: "opsz" 60;
  color: var(--ink);
}
.dr-name {
  color: var(--ink);
}
.dr-name,
.dr-note {
  font-size: 0.6875rem;
  line-height: 1.45;
}
.dr-name a {
  display: inline-block;
  padding-block: 12px;
  margin-block: -12px;
  color: var(--ink);
}
/* Every star gets the gold edge; empty ones are hollow. */
.dr-stars use {
  stroke: var(--gold-edge);
  stroke-width: 1;
  stroke-linejoin: round;
  transition: fill var(--move) var(--ease) var(--d, 0ms);
}
.dr-s0 {
  fill: var(--paper);
}
.dr-s1 {
  fill: var(--gold);
}
.dr-s2 {
  fill: var(--gold-light);
}
.dr-stars.is-pending .dr-s1,
.dr-stars.is-pending .dr-s2 {
  fill: var(--paper);
}
.dr-stars.is-settled use {
  transition: none;
}
/* Small grids: a 1px gold edge is most of a tiny star, so an empty one would read as gold. Empty
   stars get a faint ink edge instead, and gold stays for the stars that count. */
@media (max-width: 719.98px) {
  .dr-stars use.dr-s0,
  .dr-stars.is-pending use.dr-s1,
  .dr-stars.is-pending use.dr-s2 {
    stroke: rgb(var(--ink-rgb) / 0.24);
  }
}
@media (min-width: 960px) {
  .dr-list {
    --dr-gap: 36px;
    gap: 28px var(--dr-gap);
  }
  .dr-name,
  .dr-note {
    font-size: 0.75rem;
  }
}

/* ---------- 3. Why now (methods page) ---------- */

.wn-swatch {
  display: inline-block;
  flex: none;
  width: 18px;
  height: 12px;
}
.wn-swatch-before {
  border: 1.5px solid var(--ink);
  background: var(--paper);
}
.wn-swatch-after {
  background: var(--ink);
}
.ch-svg .wn-label {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0;
}
.ch-svg .wn-note {
  font-size: 13px;
  font-weight: 500;
}
.ch-svg .wn-value {
  font-size: 13px;
  transition: opacity var(--fade) var(--ease) 250ms;
}
.wn-before {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}
.wn-after {
  fill: var(--ink);
}
.wn-bar {
  transform-box: fill-box;
  transform-origin: 0 50%;
  transition: transform var(--move) var(--ease);
}
.is-pending .wn-bar {
  transform: scaleX(0);
}
.ch-svg.is-pending .wn-value {
  opacity: 0;
}

/* ---------- 4. What predicts the job (methods page) ---------- */

.ch-svg .va-label {
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0;
}
.ch-svg .va-label.is-strong {
  font-weight: 600;
}
.ch-svg .va-value {
  fill: var(--ink-body);
}
.ch-svg .va-sub {
  fill: var(--ink-label);
}
.va-grid {
  stroke: var(--ink-rule);
  stroke-width: 1;
}
.va-line {
  stroke: var(--ink-label);
  stroke-width: 1.5;
}
.va-1998 {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1.5;
}
.va-2022 {
  fill: var(--ink);
}
.va-key {
  display: block;
  flex: none;
}

/* Forced colors repaint backgrounds, which would erase the slider's track; outlines survive. */
@media (forced-colors: active) {
  .gs-range::-webkit-slider-runnable-track {
    outline: 1px solid;
  }
  .gs-range::-moz-range-track {
    outline: 1px solid;
  }
}

/* Reduced motion: bars fade in instead of growing, the grids start full (charts.js skips the
   fill), and nothing scales under a press. */
@media (prefers-reduced-motion: reduce) {
  .wn-bar,
  .dr-stars use,
  .ch-svg .wn-value {
    transition: none;
  }
  .gs-bars,
  .gs-anno,
  .gs-food-area,
  .ch-svg .gs-food-label {
    transition: opacity var(--fade) var(--ease);
  }
  .gs-food {
    transition: opacity var(--fade) var(--ease);
  }
  .is-pending .gs-food {
    stroke-dashoffset: 0;
    opacity: 0;
  }
  .is-pending .gs-bars {
    transform: none;
    opacity: 0;
  }
  .gs-range:not(:disabled):active::-webkit-slider-thumb,
  .gs-range:not(:disabled):active::-moz-range-thumb {
    transform: none;
  }
}