.aeq-lab {
  --aeq-bg: #07111c;
  --aeq-panel: #0d1b2a;
  --aeq-panel-soft: #122538;
  --aeq-line: rgba(181, 213, 233, 0.22);
  --aeq-text: #eef7fb;
  --aeq-muted: #b6c9d5;
  --aeq-cyan: #4fd5e7;
  --aeq-amber: #ffbf5b;
  --aeq-violet: #a999ff;
  --aeq-danger: #ff7b87;
  position: relative;
  width: min(100%, 1120px);
  margin: 2.5rem auto;
  padding: clamp(1rem, 2.5vw, 2rem);
  overflow: hidden;
  color: var(--aeq-text);
  background:
    radial-gradient(circle at 92% 0%, rgba(79, 213, 231, 0.13), transparent 28rem),
    linear-gradient(145deg, #08131f 0%, var(--aeq-bg) 58%, #0b1724 100%);
  border: 1px solid var(--aeq-line);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  isolation: isolate;
}

.aeq-lab,
.aeq-lab * {
  box-sizing: border-box;
}

.aeq-lab button,
.aeq-lab input {
  font: inherit;
}

.aeq-lab h3,
.aeq-lab h4,
.aeq-lab h5,
.aeq-lab p {
  margin-top: 0;
}

.aeq-lab h3 {
  max-width: 17ch;
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 4vw, 3.35rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.aeq-lab h4 {
  margin-bottom: 1rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.25;
}

.aeq-lab h5 {
  margin-bottom: 0;
  color: var(--aeq-text);
  font-size: 1rem;
}

.aeq-lab__header {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  gap: 1rem 3rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.aeq-lab__header .aeq-lab__eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -0.4rem;
}

.aeq-lab__header > p:last-child {
  max-width: 66ch;
  margin-bottom: 0.35rem;
  color: var(--aeq-muted);
}

.aeq-lab__eyebrow {
  color: var(--aeq-cyan);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.aeq-lab__state {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  align-items: baseline;
  margin: 0 0 1.1rem;
  padding: 0.9rem 1rem;
  background: rgba(7, 17, 28, 0.72);
  border: 1px solid var(--aeq-line);
  border-radius: 14px;
}

.aeq-lab__state strong {
  color: var(--aeq-amber);
  font-family: "STIX Two Math", "Cambria Math", Georgia, serif;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  white-space: nowrap;
}

.aeq-lab__state span {
  color: var(--aeq-muted);
  font-size: 0.9rem;
}

.aeq-lab__workspace {
  display: grid;
  grid-template-columns: minmax(17rem, 0.8fr) minmax(19rem, 1.2fr);
  gap: 1rem;
}

.aeq-lab__controls,
.aeq-lab__diagram-panel,
.aeq-lab__measurements {
  background: linear-gradient(155deg, rgba(18, 37, 56, 0.96), rgba(9, 24, 38, 0.96));
  border: 1px solid var(--aeq-line);
  border-radius: 18px;
}

.aeq-lab__controls,
.aeq-lab__diagram-panel {
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.aeq-lab__control-row {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  justify-content: space-between;
}

.aeq-lab__control-row label {
  color: var(--aeq-text);
  font-weight: 750;
}

.aeq-lab__phase-output {
  color: var(--aeq-amber);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  white-space: nowrap;
}

.aeq-lab__range {
  width: 100%;
  height: 2rem;
  margin: 0.7rem 0 0.2rem;
  accent-color: var(--aeq-amber);
  cursor: ew-resize;
}

.aeq-lab__range:focus-visible,
.aeq-lab button:focus-visible {
  outline: 3px solid var(--aeq-cyan);
  outline-offset: 3px;
}

.aeq-lab__help,
.aeq-lab__diagram-note {
  color: var(--aeq-muted);
  font-size: 0.83rem;
}

.aeq-lab__presets {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.4rem;
  margin: 1rem 0 0.7rem;
}

.aeq-lab__presets button,
.aeq-lab__reset {
  min-height: 2.55rem;
  color: var(--aeq-text);
  background: rgba(7, 17, 28, 0.7);
  border: 1px solid var(--aeq-line);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.aeq-lab__presets button:hover,
.aeq-lab__presets button[aria-pressed="true"],
.aeq-lab__reset:hover {
  color: #07111c;
  background: var(--aeq-amber);
  border-color: var(--aeq-amber);
}

.aeq-lab__presets button:active,
.aeq-lab__reset:active {
  transform: translateY(1px);
}

.aeq-lab__reset {
  width: 100%;
  color: var(--aeq-cyan);
}

.aeq-lab__invariant {
  display: grid;
  gap: 0.25rem;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  background: rgba(79, 213, 231, 0.07);
  border-left: 3px solid var(--aeq-cyan);
  border-radius: 0 10px 10px 0;
}

.aeq-lab__invariant span {
  color: var(--aeq-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.aeq-lab__invariant strong {
  color: var(--aeq-cyan);
  font-family: "STIX Two Math", "Cambria Math", Georgia, serif;
}

.aeq-lab__diagram-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.aeq-lab__diagram-panel h4 {
  align-self: stretch;
}

.aeq-lab__diagram {
  width: min(100%, 440px);
  height: auto;
  overflow: visible;
}

.aeq-lab__unit-circle {
  fill: rgba(79, 213, 231, 0.025);
  stroke: rgba(79, 213, 231, 0.34);
  stroke-dasharray: 5 6;
  stroke-width: 1.5;
}

.aeq-lab__axis {
  stroke: rgba(238, 247, 251, 0.27);
  stroke-width: 1;
}

.aeq-lab__axis-label,
.aeq-lab__tick-label,
.aeq-lab__phi-label {
  fill: var(--aeq-muted);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
}

.aeq-lab__phi-label {
  fill: var(--aeq-amber);
  font-family: "STIX Two Math", "Cambria Math", Georgia, serif;
  font-size: 16px;
  font-style: italic;
}

.aeq-lab__phase-arc {
  fill: none;
  stroke: var(--aeq-amber);
  stroke-linecap: round;
  stroke-width: 3;
}

.aeq-lab__vector {
  stroke: var(--aeq-cyan);
  stroke-linecap: round;
  stroke-width: 4;
}

.aeq-lab__vector-point {
  fill: var(--aeq-amber);
  stroke: #07111c;
  stroke-width: 3;
}

.aeq-lab__origin {
  fill: var(--aeq-text);
}

.aeq-lab__complex-readout {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  justify-content: center;
  min-width: min(100%, 19rem);
  padding: 0.65rem 0.9rem;
  background: rgba(7, 17, 28, 0.72);
  border: 1px solid var(--aeq-line);
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
}

.aeq-lab__complex-readout span {
  color: var(--aeq-muted);
}

.aeq-lab__complex-readout strong {
  color: var(--aeq-amber);
}

.aeq-lab__diagram-note {
  max-width: 54ch;
  margin: 0.8rem auto 0;
  text-align: center;
}

.aeq-lab__measurements {
  margin-top: 1rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.aeq-lab__measurements-heading {
  display: flex;
  gap: 1.5rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.aeq-lab__measurements-heading h4,
.aeq-lab__measurements-heading p {
  margin-bottom: 0;
}

.aeq-lab__measurements-heading > p {
  max-width: 38ch;
  color: var(--aeq-muted);
  font-size: 0.82rem;
  text-align: right;
}

.aeq-lab__measurement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.aeq-lab__measurement {
  min-width: 0;
  padding: 1rem;
  background: rgba(7, 17, 28, 0.66);
  border: 1px solid var(--aeq-line);
  border-radius: 14px;
}

.aeq-lab__measurement > header {
  display: flex;
  gap: 0.8rem;
  align-items: start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.aeq-lab__basis {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--aeq-cyan);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.aeq-lab__formula {
  flex: 0 0 auto;
  padding: 0.32rem 0.5rem;
  color: var(--aeq-muted);
  background: rgba(182, 201, 213, 0.06);
  border-radius: 7px;
  font-family: "STIX Two Math", "Cambria Math", Georgia, serif;
  font-size: 0.78rem;
}

.aeq-lab__probability + .aeq-lab__probability {
  margin-top: 0.8rem;
}

.aeq-lab__probability-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.32rem;
  color: var(--aeq-muted);
  font-size: 0.86rem;
}

.aeq-lab__probability-label strong {
  color: var(--aeq-text);
  font-variant-numeric: tabular-nums;
}

.aeq-lab__bar {
  height: 0.7rem;
  overflow: hidden;
  background: rgba(182, 201, 213, 0.12);
  border-radius: 999px;
}

.aeq-lab__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--aeq-cyan), #8ae7f3);
  border-radius: inherit;
  transition: width 160ms ease-out;
}

.aeq-lab__measurement--x .aeq-lab__basis {
  color: var(--aeq-amber);
}

.aeq-lab__measurement--x .aeq-lab__bar span {
  background: linear-gradient(90deg, var(--aeq-amber), var(--aeq-violet));
}

.aeq-lab__conclusion {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  color: var(--aeq-text);
  background: linear-gradient(90deg, rgba(255, 191, 91, 0.12), rgba(169, 153, 255, 0.1));
  border: 1px solid rgba(255, 191, 91, 0.3);
  border-radius: 14px;
}

@media (max-width: 760px) {
  .aeq-lab {
    border-radius: 16px;
  }

  .aeq-lab__header,
  .aeq-lab__workspace,
  .aeq-lab__measurement-grid {
    grid-template-columns: 1fr;
  }

  .aeq-lab__header {
    gap: 0.4rem;
  }

  .aeq-lab__header .aeq-lab__eyebrow {
    margin-bottom: 0;
  }

  .aeq-lab__measurements-heading {
    display: block;
  }

  .aeq-lab__measurements-heading > p {
    margin-top: 0.5rem;
    text-align: left;
  }
}

@media (max-width: 470px) {
  .aeq-lab__state {
    display: grid;
  }

  .aeq-lab__state strong {
    white-space: normal;
  }

  .aeq-lab__presets {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .aeq-lab__measurement > header {
    display: grid;
  }

  .aeq-lab__formula {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .aeq-lab *,
  .aeq-lab *::before,
  .aeq-lab *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .aeq-lab {
    --aeq-text: #111;
    --aeq-muted: #333;
    --aeq-cyan: #075f70;
    --aeq-amber: #7b4a00;
    --aeq-line: #999;
    color: #111;
    background: #fff;
    border: 1px solid #777;
    box-shadow: none;
  }

  .aeq-lab__controls,
  .aeq-lab__diagram-panel,
  .aeq-lab__measurements,
  .aeq-lab__measurement,
  .aeq-lab__state,
  .aeq-lab__complex-readout {
    color: #111;
    background: #fff;
    border-color: #999;
  }
}