.hfr-root {
  --hfr-ink: #18212f;
  --hfr-muted: #5c6875;
  --hfr-card: #fff;
  --hfr-panel: #f4f6f8;
  --hfr-control: #fff;
  --hfr-line: #d5dde6;
  --hfr-ideal: #3d756b;
  --hfr-limit: #98743e;
  --hfr-critical: #914a45;
  --hfr-accent: var(--hfr-ideal);
  --hfr-load: 0;
  --hfr-arc-progress: 0;
  --hfr-shadow: 0 18px 46px rgba(20, 30, 44, 0.1);

  border: 1px solid var(--hfr-line);
  border-radius: 8px;
  padding: clamp(14px, 3vw, 24px);
  background: var(--hfr-card);
  box-shadow: var(--hfr-shadow);
  color: var(--hfr-ink);
  color-scheme: light;
}

.hfr-root[data-state="LIMIT_ZONE"] {
  --hfr-accent: var(--hfr-limit);
}

.hfr-root[data-state="CRITICAL_FLOW"] {
  --hfr-accent: var(--hfr-critical);
}

.theme-dark .hfr-root {
  --hfr-ink: #ecf1f5;
  --hfr-muted: #9aa7b4;
  --hfr-card: #11161d;
  --hfr-panel: #171d25;
  --hfr-control: #121820;
  --hfr-line: #303946;
  --hfr-ideal: #7fa99d;
  --hfr-limit: #b79a64;
  --hfr-critical: #b66f68;
  --hfr-shadow: 0 24px 58px rgba(0, 0, 0, 0.34);

  color-scheme: dark;
}

.hfr-toolbar {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.hfr-segment {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--hfr-line);
  border-radius: 8px;
  background: var(--hfr-control);
}

.hfr-segment button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  padding: 0 14px;
  color: var(--hfr-ink);
  background: transparent;
  font-weight: 900;
  cursor: pointer;
}

.hfr-segment button.is-active {
  color: var(--hfr-card);
  background: var(--hfr-accent);
}

.hfr-hotend {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  color: var(--hfr-muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.hfr-hotend select,
.hfr-root input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--hfr-line);
  border-radius: 7px;
  padding: 10px;
  color: var(--hfr-ink);
  background: var(--hfr-control);
  font: inherit;
  font-weight: 850;
}

.hfr-stage {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) minmax(220px, 0.8fr);
  gap: 14px;
}

.hfr-gauge,
.hfr-status,
.hfr-controls,
.hfr-metrics article {
  border: 1px solid var(--hfr-line);
  border-radius: 8px;
  background: var(--hfr-panel);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 12px 32px rgba(0, 0, 0, 0.14);
}

.hfr-gauge {
  position: relative;
  min-height: 300px;
  padding: 16px;
  overflow: hidden;
}

.hfr-gauge::before {
  position: absolute;
  inset: 16px;
  border: 1px solid color-mix(in srgb, var(--hfr-line) 72%, transparent);
  border-radius: 8px;
  content: "";
  pointer-events: none;
}

.hfr-gauge svg {
  display: block;
  width: 100%;
  height: 200px;
}

.hfr-rail,
.hfr-arc {
  fill: none;
  stroke-linecap: round;
}

.hfr-rail {
  stroke: color-mix(in srgb, var(--hfr-line) 80%, transparent);
  stroke-width: 16;
}

.hfr-arc {
  stroke: var(--hfr-accent);
  stroke-width: 12;
  stroke-dasharray: 298;
  stroke-dashoffset: var(--hfr-arc-offset, 298px);
  transition:
    stroke-dashoffset 520ms cubic-bezier(0.2, 1.4, 0.3, 1),
    stroke 240ms ease;
}

.hfr-root[data-state="CRITICAL_FLOW"] .hfr-arc {
  animation: hfr-critical-pulse 900ms ease-in-out infinite;
}

.hfr-needle {
  transform: rotate(var(--hfr-angle, -112deg));
  transform-origin: 130px 145px;
  transition: transform 540ms cubic-bezier(0.2, 1.5, 0.28, 1);
}

.hfr-needle line {
  stroke: var(--hfr-ink);
  stroke-width: 3;
  stroke-linecap: round;
}

.hfr-needle circle {
  fill: var(--hfr-accent);
  stroke: var(--hfr-card);
  stroke-width: 3;
  transition: fill 240ms ease;
}

.hfr-ticks line {
  stroke: var(--hfr-muted);
  stroke-width: 2;
  stroke-linecap: round;
}

.hfr-primary {
  display: grid;
  justify-items: center;
  margin-top: -8px;
}

.hfr-primary span,
.hfr-status span,
.hfr-metrics span {
  color: var(--hfr-muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.hfr-primary strong {
  color: var(--hfr-accent);
  font-size: clamp(3rem, 10vw, 5.8rem);
  font-variant-numeric: tabular-nums;
  line-height: 0.92;
  transition:
    color 220ms ease,
    filter 180ms ease,
    transform 180ms ease;
}

.hfr-primary small {
  margin-top: 4px;
  color: var(--hfr-muted);
  font-weight: 900;
}

.hfr-status {
  display: grid;
  align-content: center;
  min-height: 300px;
  padding: 18px;
}

.hfr-status strong {
  margin-top: 10px;
  color: var(--hfr-accent);
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  line-height: 1;
}

.hfr-status p {
  max-width: 32ch;
  margin: 12px 0 0;
  color: var(--hfr-muted);
  font-weight: 750;
  line-height: 1.45;
}

.hfr-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
  padding: 14px;
}

.hfr-slider {
  display: grid;
  gap: 8px;
}

.hfr-slider > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--hfr-muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.hfr-slider strong {
  color: var(--hfr-ink);
}

.hfr-slider input {
  padding: 0;
  accent-color: var(--hfr-accent);
  background: transparent;
}

.hfr-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.hfr-metrics article {
  min-height: 84px;
  padding: 12px;
}

.hfr-metrics strong {
  display: block;
  margin-top: 8px;
  color: var(--hfr-ink);
  font-size: clamp(1.05rem, 3vw, 1.65rem);
  font-variant-numeric: tabular-nums;
}

.hfr-root strong.is-counting {
  filter: blur(0.45px);
  transform: translateY(-1px);
}

.hfr-gauge.is-recalibrating {
  animation: hfr-recalibrate 520ms cubic-bezier(0.2, 1.5, 0.28, 1);
}

@keyframes hfr-critical-pulse {
  0%,
  100% {
    opacity: 0.74;
    stroke-width: 12;
  }

  50% {
    opacity: 1;
    stroke-width: 15;
  }
}

@keyframes hfr-recalibrate {
  0%,
  100% {
    transform: scale(1);
  }

  38% {
    transform: scale(0.985);
  }

  72% {
    transform: scale(1.012);
  }
}

@media (max-width: 860px) {
  .hfr-toolbar,
  .hfr-stage,
  .hfr-controls,
  .hfr-metrics {
    grid-template-columns: 1fr;
  }

  .hfr-hotend {
    grid-template-columns: 1fr;
  }

  .hfr-segment {
    width: 100%;
  }

  .hfr-segment button {
    flex: 1;
  }
}