.entropy-lab {
  --entropy-ink: #162033;
  --entropy-muted: rgba(22, 32, 51, 0.64);
  --entropy-shell: #edf4fb;
  --entropy-cold: #56d7ff;
  --entropy-cold-deep: #1a71ff;
  --entropy-hot: #ffa347;
  --entropy-line: rgba(22, 32, 51, 0.12);
  --entropy-shadow: rgba(41, 79, 120, 0.16);
  --entropy-guide: rgba(22, 32, 51, 0.16);
  --entropy-area: rgba(255, 163, 71, 0.14);
  --entropy-thumb-shadow: rgba(26, 113, 255, 0.18);
  --entropy-canvas-top-glow: rgba(255, 255, 255, 0.26);
  --entropy-cold-rgb: 86, 215, 255;
  --entropy-hot-rgb: 255, 163, 71;

  display: grid;
  gap: 1.8rem;
  width: min(100%, 1220px);
  padding: clamp(1rem, 3vw, 2.4rem);
  color: var(--entropy-ink);
  background:
    radial-gradient(circle at top left, rgba(86, 215, 255, 0.22), transparent 26%),
    radial-gradient(circle at top right, rgba(255, 163, 71, 0.2), transparent 28%),
    linear-gradient(145deg, #f7fbff, #edf4fb 54%, #e5eef8);
  border: 1px solid rgba(22, 32, 51, 0.08);
  border-radius: 32px;
  box-shadow: 0 30px 80px var(--entropy-shadow);
}

.theme-dark .entropy-lab {
  --entropy-ink: #fff7e8;
  --entropy-muted: rgba(255, 247, 232, 0.72);
  --entropy-line: rgba(255, 247, 232, 0.14);
  --entropy-shadow: rgba(2, 9, 18, 0.5);
  --entropy-guide: rgba(255, 247, 232, 0.16);
  --entropy-area: rgba(255, 211, 106, 0.13);
  --entropy-thumb-shadow: rgba(86, 215, 255, 0.24);
  --entropy-canvas-top-glow: rgba(255, 255, 255, 0.03);

  background:
    radial-gradient(circle at top left, rgba(86, 215, 255, 0.26), transparent 26%),
    radial-gradient(circle at top right, rgba(255, 163, 71, 0.24), transparent 28%),
    linear-gradient(145deg, #07111d, #0f1a2b 54%, #09131f);
  border-color: rgba(255, 255, 255, 0.06);
}

.entropy-controls,
.entropy-stage,
.entropy-console {
  min-width: 0;
}

.entropy-controls {
  width: min(100%, 260px);
}

.entropy-controls,
.entropy-stage,
.entropy-console,
.entropy-control-grid,
.entropy-canvas-head,
.entropy-actions,
.entropy-metrics {
  display: grid;
  gap: 1rem;
}

.entropy-status,
.entropy-canvas-side span,
.entropy-readout span,
.entropy-field span,
.entropy-metrics span,
.entropy-divider span,
.entropy-graph-meta span,
.entropy-note span {
  margin: 0;
  color: var(--entropy-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.entropy-status {
  color: var(--entropy-cold-deep);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}

.entropy-field {
  display: grid;
  gap: 0.7rem;
  width: 100%;
}

.entropy-field-barrier {
  margin-top: 0.2rem;
}

.entropy-field output,
.entropy-readout strong,
.entropy-canvas-side strong,
.entropy-metrics strong {
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 0.86;
}

.entropy-field output {
  font-size: clamp(1.8rem, 6vw, 2.6rem);
}

.entropy-field input[type='range'] {
  --fill: 50%;
  --track-base: rgba(22, 32, 51, 0.14);
  --track-active: rgba(var(--entropy-cold-rgb), 0.5);

  width: 100%;
  height: 28px;
  margin: 0;
  appearance: none;
  background: transparent;
}

.theme-dark .entropy-field input[type='range'] {
  --track-base: rgba(255, 247, 232, 0.15);
  --track-active: rgba(var(--entropy-cold-rgb), 0.72);
}

.entropy-field input[type='range']::-webkit-slider-runnable-track {
  height: 2px;
  border-radius: 0;
  background:
    linear-gradient(90deg, var(--track-active) 0, var(--track-active) var(--fill), var(--track-base) var(--fill), var(--track-base) 100%);
}

.entropy-field input[type='range']::-webkit-slider-thumb {
  width: 10px;
  height: 10px;
  margin-top: -4px;
  border: 1px solid var(--entropy-shell);
  border-radius: 50%;
  appearance: none;
  background: var(--entropy-ink);
  box-shadow: 0 8px 18px var(--entropy-thumb-shadow);
  cursor: grab;
  transition:
    transform 100ms ease,
    box-shadow 160ms ease;
}

.entropy-field input[type='range']::-moz-range-track {
  height: 2px;
  border-radius: 0;
  background: var(--track-base);
}

.entropy-field input[type='range']::-moz-range-progress {
  height: 2px;
  border-radius: 0;
  background: var(--track-active);
}

.entropy-field input[type='range']::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border: 1px solid var(--entropy-shell);
  border-radius: 50%;
  background: var(--entropy-ink);
  box-shadow: 0 8px 18px var(--entropy-thumb-shadow);
  cursor: grab;
  transition:
    transform 100ms ease,
    box-shadow 160ms ease;
}

.entropy-field input[type='range']:hover::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px rgba(var(--entropy-cold-rgb), 0.08), 0 10px 20px var(--entropy-thumb-shadow);
}

.entropy-field input[type='range']:hover::-moz-range-thumb {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px rgba(var(--entropy-cold-rgb), 0.08), 0 10px 20px var(--entropy-thumb-shadow);
}

.entropy-field input[type='range']:active::-webkit-slider-thumb {
  transform: scale(1.3);
  box-shadow: 0 0 0 7px rgba(var(--entropy-cold-rgb), 0.12), 0 12px 24px var(--entropy-thumb-shadow);
  cursor: grabbing;
}

.entropy-field input[type='range']:active::-moz-range-thumb {
  transform: scale(1.3);
  box-shadow: 0 0 0 7px rgba(var(--entropy-cold-rgb), 0.12), 0 12px 24px var(--entropy-thumb-shadow);
  cursor: grabbing;
}

.entropy-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
}

.entropy-actions button {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--entropy-line);
  border-radius: 999px;
  color: var(--entropy-ink);
  background: transparent;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    color 300ms ease,
    background-color 300ms ease,
    border-color 300ms ease;
}

.entropy-actions button:hover {
  border-color: rgba(86, 215, 255, 0.3);
  background: rgba(86, 215, 255, 0.06);
}

.entropy-canvas-head {
  grid-template-columns: 1fr;
  justify-items: center;
  padding-bottom: 0.15rem;
}

.entropy-divider {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  justify-content: center;
}

.entropy-divider-line {
  display: block;
  width: 1px;
  height: 1.2rem;
  background: var(--entropy-line);
}

#entropy-canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 18 / 11;
  background:
    radial-gradient(circle at 22% 50%, rgba(86, 215, 255, 0.05), transparent 34%),
    radial-gradient(circle at 78% 50%, rgba(255, 163, 71, 0.05), transparent 34%),
    linear-gradient(180deg, var(--entropy-canvas-top-glow), transparent);
  border: 0;
  border-radius: 28px;
}

.entropy-graph-shell {
  display: grid;
  gap: 0.8rem;
}

.entropy-graph-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.entropy-graph {
  width: 100%;
  height: auto;
  overflow: visible;
  padding-top: 0.35rem;
  border-top: 1px solid var(--entropy-line);
}

.entropy-graph text {
  fill: var(--entropy-muted);
  font-size: 9px;
  letter-spacing: 0.14em;
  opacity: 0.4;
  text-transform: uppercase;
}

.entropy-graph-guide,
.entropy-graph-line,
.entropy-graph-area {
  fill: none;
}

.entropy-graph-guide {
  stroke: var(--entropy-guide);
  stroke-width: 1.5;
}

.entropy-graph-line {
  stroke: url("#entropy-fill");
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: url("#entropy-line-glow");
}

.entropy-graph-area {
  fill: var(--entropy-area);
}

.entropy-console {
  align-content: start;
  gap: 1.3rem;
}

.entropy-readout {
  display: grid;
  gap: 0.35rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--entropy-line);
}

.entropy-readout strong {
  font-size: clamp(3rem, 9vw, 5.4rem);
  line-height: 0.82;
  letter-spacing: -0.05em;
}

.entropy-metrics article {
  display: grid;
  gap: 0.32rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--entropy-line);
}

.entropy-metrics {
  padding-top: 0.8rem;
}

.entropy-metrics strong {
  font-size: 2rem;
  line-height: 0.88;
}

.entropy-note {
  display: grid;
  gap: 0.65rem;
  max-width: 38ch;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(22, 32, 51, 0.06);
  opacity: 0.5;
}

.theme-dark .entropy-note {
  border-top-color: rgba(255, 247, 232, 0.06);
}

.entropy-note p {
  margin: 0;
  color: var(--entropy-muted);
  font-size: 10px;
  line-height: 1.6;
}

.entropy-stateboard {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  min-height: 4.8rem;
}

.entropy-state-dial {
  --entropy-progress: 0;

  position: relative;
  width: 16px;
  min-height: 4.8rem;
}

.entropy-state-track {
  position: absolute;
  top: 0.2rem;
  bottom: 0.2rem;
  left: 50%;
  width: 1px;
  background: currentcolor;
  opacity: 0.24;
  transform: translateX(-50%);
}

.entropy-state-node {
  position: absolute;
  bottom: 0.2rem;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentcolor;
  box-shadow: 0 0 0 0 rgba(var(--entropy-cold-rgb), 0);
  opacity: 0.9;
  transform: translate(-50%, calc(var(--entropy-progress) * -4rem));
  transition:
    transform 280ms ease,
    box-shadow 280ms ease,
    opacity 280ms ease;
}

.entropy-state-dial.is-equilibrium .entropy-state-node {
  box-shadow: 0 0 0 6px rgba(var(--entropy-cold-rgb), 0.1);
}

.entropy-state-labels {
  display: grid;
  gap: 0.38rem;
}

.entropy-state-labels strong {
  color: var(--entropy-muted);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  opacity: 0.2;
  text-transform: uppercase;
  transition: opacity 220ms ease, color 220ms ease;
}

.entropy-state-labels strong.is-active {
  color: var(--entropy-ink);
  opacity: 1;
}

@media (min-width: 960px) {
  .entropy-lab {
    grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.45fr) minmax(280px, 0.72fr);
    align-items: start;
  }

  .entropy-controls {
    width: 260px;
  }

  .entropy-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.25rem;
  }
}