.whr {
  --whr-paper: #fbfbf8;
  --whr-panel: #fff;
  --whr-ink: #20242a;
  --whr-muted: #68707c;
  --whr-line: #d8dde3;
  --whr-green: #25865a;
  --whr-yellow: #c78b24;
  --whr-red: #c8433f;
  --whr-blue: #2f6fbd;
  --whr-shadow: rgba(26, 32, 40, 0.1);

  width: 100%;
}

.theme-dark .whr {
  --whr-paper: #121720;
  --whr-panel: #1a212b;
  --whr-ink: #f2f5f8;
  --whr-muted: #a8b0bd;
  --whr-line: #343d49;
  --whr-shadow: rgba(0, 0, 0, 0.3);
}

.whr__shell {
  overflow: hidden;
  border: 1px solid var(--whr-line);
  border-radius: 8px;
  background: var(--whr-paper);
  color: var(--whr-ink);
  box-shadow: 0 18px 46px var(--whr-shadow);
}

.whr__studio {
  display: grid;
  gap: 0;
}

.whr__visual,
.whr__controls,
.whr__result {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.whr__visual {
  position: relative;
  min-height: 21rem;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--whr-line);
  background:
    linear-gradient(to right, color-mix(in srgb, var(--whr-line) 34%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--whr-line) 28%, transparent) 1px, transparent 1px),
    var(--whr-panel);
  background-size: 28px 28px;
}

.whr__body {
  width: min(100%, 16rem);
  height: auto;
  color: var(--whr-blue);
}

.whr__svg-ink {
  fill: url("#whrBodyFill");
  stroke: var(--whr-ink);
  stroke-width: 3;
}

.whr__torso {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 180ms ease;
}

.whr__limb {
  fill: none;
  stroke: var(--whr-muted);
  stroke-width: 8;
  stroke-linecap: round;
  opacity: 0.42;
}

.whr__ring {
  fill: none;
  stroke-width: 5;
  stroke-dasharray: 8 6;
  transition: rx 180ms ease;
}

.whr__ring--waist {
  stroke: var(--whr-yellow);
}

.whr__ring--hip {
  stroke: var(--whr-blue);
}

.whr__guide-line {
  stroke: var(--whr-line);
  stroke-width: 2;
}

.whr__visual-label {
  position: absolute;
  left: 0.85rem;
  padding: 0.38rem 0.55rem;
  border: 1px solid var(--whr-line);
  border-radius: 6px;
  background: var(--whr-panel);
  color: var(--whr-muted);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.whr__visual-label--waist { top: 43%; }
.whr__visual-label--hip { top: 58%; }

.whr__controls {
  display: grid;
  gap: 0.85rem;
  border-bottom: 1px solid var(--whr-line);
}

.whr__topline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.whr__unit,
.whr__sex {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--whr-line);
  border-radius: 8px;
  background: var(--whr-panel);
}

.whr__unit {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.whr__unit-btn,
.whr__sex-btn {
  height: 2.35rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--whr-muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 850;
  cursor: pointer;
}

.whr__sex-btn {
  width: 2.35rem;
  display: grid;
  place-items: center;
}

.whr__sex-btn svg {
  width: 1.15rem;
  height: 1.15rem;
}

.whr__unit-btn--active,
.whr__sex-btn--active {
  background: var(--whr-ink);
  color: var(--whr-panel);
}

.theme-dark .whr__unit-btn--active,
.theme-dark .whr__sex-btn--active {
  background: #eef3f8;
  color: #151a21;
}

.whr__field {
  display: grid;
  gap: 0.65rem;
  padding: 0.85rem;
  border: 1px solid var(--whr-line);
  border-radius: 8px;
  background: var(--whr-panel);
}

.whr__field-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--whr-muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.whr__field-top strong {
  color: var(--whr-ink);
  font-size: clamp(1.3rem, 5vw, 1.8rem);
  line-height: 1;
}

.whr__range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 1.28rem;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--whr-ink);
  cursor: ew-resize;
}

.whr__range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.42rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--whr-ink) 18%, transparent);
}

.whr__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  margin-top: calc((0.42rem - 1.28rem) / 2);
  width: 1.28rem;
  height: 1.28rem;
  border: 2px solid var(--whr-panel);
  border-radius: 999px;
  background: var(--whr-ink);
  box-shadow: 0 3px 12px var(--whr-shadow);
}

.whr__range::-moz-range-track {
  width: 100%;
  height: 0.42rem;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--whr-ink) 18%, transparent);
}

.whr__range::-moz-range-thumb {
  box-sizing: border-box;
  width: 1.28rem;
  height: 1.28rem;
  border: 2px solid var(--whr-panel);
  border-radius: 999px;
  background: var(--whr-ink);
}

.whr__result {
  display: grid;
  gap: 1rem;
}

.whr__score {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: baseline;
  color: var(--whr-muted);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.whr__score strong {
  color: var(--whr-ink);
  font-size: clamp(4rem, 17vw, 7rem);
  line-height: 0.86;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.whr__result[data-level="low"] .whr__score strong,
.whr__result[data-level="low"] .whr__readout strong { color: var(--whr-green); }
.whr__result[data-level="moderate"] .whr__score strong,
.whr__result[data-level="moderate"] .whr__readout strong { color: var(--whr-yellow); }
.whr__result[data-level="high"] .whr__score strong,
.whr__result[data-level="high"] .whr__readout strong { color: var(--whr-red); }

.whr__thermo {
  display: grid;
  gap: 0.55rem;
}

.whr__thermo-track {
  position: relative;
  height: 1.2rem;
  border: 1px solid var(--whr-line);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--whr-green) 0 38%, var(--whr-yellow) 45% 62%, var(--whr-red) 76% 100%);
}

.whr__marker {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.95rem;
  height: 2.35rem;
  border: 2px solid var(--whr-panel);
  border-radius: 999px;
  background: var(--whr-ink);
  transform: translate(-50%, -50%);
  transition: left 180ms ease;
  box-shadow: 0 6px 18px var(--whr-shadow);
}

.whr__ticks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  color: var(--whr-muted);
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
}

.whr__ticks span:nth-child(2) { text-align: center; }
.whr__ticks span:last-child { text-align: right; }

.whr__readout {
  min-height: 6.5rem;
  padding: 0.95rem;
  border: 1px solid var(--whr-line);
  border-radius: 8px;
  background: var(--whr-panel);
}

.whr__readout strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: clamp(1.2rem, 4vw, 1.62rem);
  line-height: 1.1;
}

.whr__readout p {
  margin: 0;
  color: var(--whr-muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.whr__guide {
  display: grid;
  border-top: 1px solid var(--whr-line);
}

.whr__guide-card {
  display: grid;
  grid-template-columns: 1.45rem 1fr;
  gap: 0.72rem;
  padding: 0.82rem 0.95rem;
  border-bottom: 1px solid var(--whr-line);
  background: var(--whr-panel);
  color: var(--whr-muted);
}

.whr__guide-card:last-child {
  border-bottom: 0;
}

.whr__guide-card span {
  display: grid;
  place-items: center;
  color: var(--whr-blue);
}

.whr__guide-card--note span,
.whr__guide-card--note strong {
  color: var(--whr-yellow);
}

.whr__guide-card svg {
  width: 1.15rem;
  height: 1.15rem;
}

.whr__guide-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
}

.whr__guide-card strong {
  color: var(--whr-ink);
}

@media (max-width: 430px) {
  .whr__topline,
  .whr__score {
    grid-template-columns: 1fr;
  }

  .whr__sex {
    width: max-content;
  }

  .whr__score {
    justify-items: center;
    gap: 0.15rem;
  }
}

@media (min-width: 860px) {
  .whr__studio {
    grid-template-columns: minmax(240px, 0.72fr) minmax(300px, 0.82fr) minmax(340px, 1fr);
  }

  .whr__visual,
  .whr__controls {
    border-right: 1px solid var(--whr-line);
    border-bottom: 0;
  }

  .whr__guide {
    grid-template-columns: repeat(4, 1fr);
  }

  .whr__guide-card {
    border-right: 1px solid var(--whr-line);
    border-bottom: 0;
  }

  .whr__guide-card:last-child {
    border-right: 0;
  }
}