:is(
    [data-unit-visual-extension="measurement_claim_builder"],
    [data-unit-visual-extension="derived_unit_chain"],
    [data-unit-visual-extension="homogeneity_scanner"],
    [data-unit-visual-extension="measurement_error_patterns"],
    [data-unit-visual-extension="uncertainty_propagation_lab"],
    [data-unit-visual-extension="route_displacement_timeline"],
    [data-unit-visual-extension="vector_construction_lab"],
    [data-unit-visual-extension="measurement_workbench"]
) {
    --ch01-ink: #173b49;
    --ch01-muted: #647985;
    --ch01-line: #91a7b0;
    --ch01-surface: #f3f8f9;
    --ch01-primary: #167f95;
    --ch01-secondary: #b25d38;
    --ch01-resultant: #6551aa;
    --ch01-success: #3a8062;
    --ch01-danger: #b34f46;
    --ch01-causal: #607984;
    width: 100%;
    min-width: 0;
    margin: clamp(1rem, 2.4vw, 1.65rem) 0;
    padding: clamp(.88rem, 2.2vw, 1.28rem);
    overflow: clip;
    border: 1px solid color-mix(in srgb, var(--ch01-primary) 17%, transparent);
    border-radius: 1.15rem;
    background: linear-gradient(145deg, #fff 0%, var(--ch01-surface) 100%);
    box-shadow: 0 .78rem 2rem rgb(23 59 73 / .06);
    color: var(--ch01-ink);
}

.ch01-visual[data-unit-visual-extension] [hidden] {
    display: none !important;
}

.ch01-visual[data-unit-visual-extension] .ch01-visual-heading {
    display: grid;
    gap: .14rem;
    margin-bottom: .72rem;
}

.ch01-visual[data-unit-visual-extension] .ch01-visual-heading h3 {
    margin: 0;
    color: var(--ch01-ink);
    font-size: var(--unit-text-heading-medium, 17px);
    font-weight: 770;
    line-height: 1.22;
    letter-spacing: -.015em;
}

.ch01-visual[data-unit-visual-extension] .ch01-visual-kicker {
    margin: 0;
    color: var(--ch01-primary);
    font-size: var(--unit-text-micro, 11px);
    font-weight: 820;
    line-height: 1.2;
    letter-spacing: .075em;
    text-transform: uppercase;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-state-controls, .ch01-timeline) {
    width: 100%;
    min-width: 0;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(6.8rem, 100%), 1fr));
    gap: .42rem;
    margin: 0 0 .62rem;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-state-button, .ch01-timeline-button) {
    min-width: 0;
    min-height: 37px;
    padding: .42rem .58rem;
    overflow: hidden;
    border: 1px solid color-mix(in srgb, var(--ch01-line) 66%, transparent);
    border-radius: .66rem;
    background: rgb(255 255 255 / .96);
    color: var(--ch01-ink);
    font: inherit;
    font-size: var(--unit-text-meta, 12px);
    font-weight: 740;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-state-button, .ch01-timeline-button):hover {
    border-color: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-state-button, .ch01-timeline-button):focus-visible {
    outline: 3px solid color-mix(in srgb, var(--ch01-primary) 25%, transparent);
    outline-offset: 2px;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-button[aria-pressed="true"] {
    border-color: var(--ch01-primary);
    background: var(--ch01-primary);
    box-shadow: 0 .28rem .78rem rgb(22 127 149 / .18);
    color: #fff;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .35rem;
    margin: 0 0 .62rem;
    padding: 0;
    list-style: none;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: .34rem;
    min-width: 0;
    padding: .38rem .44rem;
    border: 1px solid color-mix(in srgb, var(--ch01-line) 44%, transparent);
    border-radius: .62rem;
    background: rgb(255 255 255 / .76);
    color: var(--ch01-muted);
    font-size: var(--unit-text-micro, 11px);
    font-weight: 720;
    line-height: 1.15;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-step[aria-current="step"] {
    border-color: color-mix(in srgb, var(--ch01-primary) 68%, transparent);
    background: color-mix(in srgb, var(--ch01-primary) 7%, #fff);
    color: var(--ch01-primary);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-step[data-complete="true"] {
    color: var(--ch01-success);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-number {
    display: grid;
    place-items: center;
    width: 1.35rem;
    height: 1.35rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-variant-numeric: tabular-nums;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-challenge {
    display: grid;
    gap: .58rem;
    margin-top: .7rem;
    padding-top: .7rem;
    border-top: 1px solid color-mix(in srgb, var(--ch01-line) 30%, transparent);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-question {
    margin: 0;
    color: var(--ch01-ink);
    font-size: var(--unit-text-body, 14px);
    font-weight: 750;
    line-height: 1.45;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(10.5rem, 100%), 1fr));
    gap: .42rem;
}

[data-unit-visual-extension="measurement_claim_builder"] :is(.ch01-claim-choice, .ch01-claim-restart) {
    min-width: 0;
    min-height: 39px;
    padding: .48rem .65rem;
    border: 1px solid color-mix(in srgb, var(--ch01-line) 66%, transparent);
    border-radius: .66rem;
    background: rgb(255 255 255 / .96);
    color: var(--ch01-ink);
    font: inherit;
    font-size: var(--unit-text-meta, 12px);
    font-weight: 720;
    line-height: 1.28;
    cursor: pointer;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-choice {
    text-align: left;
    white-space: normal;
}

[data-unit-visual-extension="measurement_claim_builder"] :is(.ch01-claim-choice, .ch01-claim-restart):hover:not(:disabled) {
    border-color: var(--ch01-primary);
}

[data-unit-visual-extension="measurement_claim_builder"] :is(.ch01-claim-choice, .ch01-claim-restart):focus-visible {
    outline: 3px solid color-mix(in srgb, var(--ch01-primary) 25%, transparent);
    outline-offset: 2px;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-choice[aria-pressed="true"] {
    border-color: var(--ch01-primary);
    background: color-mix(in srgb, var(--ch01-primary) 8%, #fff);
    color: var(--ch01-primary);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback {
    min-width: 0;
    padding: .54rem 0 .18rem .7rem;
    border-left: 3px solid var(--ch01-primary);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback[data-feedback="correct"] {
    border-left-color: var(--ch01-success);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback[data-feedback="incorrect"] {
    border-left-color: var(--ch01-secondary);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback :is(strong, p) {
    margin: 0;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback-title {
    color: var(--ch01-ink);
    font-size: var(--unit-text-detail, 13px);
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-feedback-text {
    margin-top: .18rem !important;
    color: var(--ch01-muted) !important;
    font-size: var(--unit-text-detail, 13px) !important;
    line-height: 1.48 !important;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-restart {
    justify-self: end;
    min-width: 7.6rem;
    border-color: var(--ch01-primary);
    background: var(--ch01-primary);
    color: #fff;
    white-space: nowrap;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-restart[hidden] {
    display: none;
}

[data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-restart:disabled {
    border-color: color-mix(in srgb, var(--ch01-line) 48%, transparent);
    background: color-mix(in srgb, var(--ch01-line) 15%, #fff);
    color: var(--ch01-muted);
    cursor: not-allowed;
    opacity: .72;
}

.ch01-visual[data-unit-visual-extension] .ch01-timeline {
    display: grid;
    grid-template-columns: max-content max-content minmax(7rem, 1fr) 3.1rem;
    align-items: center;
    gap: .48rem;
    margin: 0 0 .62rem;
    padding: .5rem .58rem;
    border-radius: .74rem;
    background: color-mix(in srgb, var(--ch01-resultant) 5%, #fff);
}

.ch01-visual[data-unit-visual-extension] .ch01-timeline-button {
    min-height: 33px;
    color: var(--ch01-resultant);
}

.ch01-visual[data-unit-visual-extension] .ch01-timeline-button[aria-pressed="true"] {
    border-color: var(--ch01-resultant);
    background: color-mix(in srgb, var(--ch01-resultant) 9%, #fff);
}

.ch01-visual[data-unit-visual-extension] .ch01-timeline-scrub {
    width: 100%;
    min-width: 0;
    accent-color: var(--ch01-resultant);
}

.ch01-visual[data-unit-visual-extension] .ch01-timeline-phase {
    color: var(--ch01-muted);
    font-size: var(--unit-text-meta, 12px);
    font-weight: 720;
    line-height: 1;
    text-align: right;
    white-space: nowrap;
}

.ch01-visual[data-unit-visual-extension] .ch01-visual-drawing {
    position: relative;
    width: 100%;
    min-width: 0;
    aspect-ratio: 720 / 400;
    overflow: clip;
    border: 1px solid color-mix(in srgb, var(--ch01-line) 24%, transparent);
    border-radius: .86rem;
    background: rgb(255 255 255 / .82);
}

.ch01-visual[data-unit-visual-extension] .ch01-visual-drawing > svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-drawing {
    min-height: 13.5rem;
    aspect-ratio: auto;
    padding: 1rem;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-drawing > svg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns:
        minmax(0, .9fr) auto
        minmax(0, 1.2fr) auto
        minmax(0, .95fr) auto
        minmax(0, 1.2fr);
    align-items: stretch;
    gap: .35rem;
    min-height: 11.5rem;
}

[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-stage {
    display: grid;
    grid-template-rows: auto 1fr;
    align-items: center;
    min-width: 0;
    padding: 1rem .68rem;
    border: 1.5px solid color-mix(in srgb, var(--ch01-line) 72%, transparent);
    border-radius: .82rem;
    background: #fff;
}

[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-stage.is-result {
    border-color: color-mix(in srgb, var(--ch01-resultant) 58%, var(--ch01-line));
    background: color-mix(in srgb, var(--ch01-resultant) 7%, #fff);
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow :is(.ch01-derived-stage-label, .ch01-derived-formula) {
    position: static;
    display: block;
    width: 100%;
    max-width: 100%;
    text-align: center;
    white-space: normal;
    transform: none;
    text-shadow: none;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow .ch01-derived-stage-label {
    align-self: start;
    color: var(--ch01-muted);
    font-size: clamp(15px, var(--unit-text-detail, 13px), 17px);
    font-weight: 780;
    line-height: 1.25;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow .ch01-derived-formula {
    align-self: center;
    color: var(--ch01-ink);
    font-size: clamp(18px, calc(var(--unit-text-heading-medium, 17px) * 1.18), 24px);
    font-weight: 760;
    line-height: 1.25;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-stage.is-result .ch01-derived-formula {
    color: var(--ch01-resultant);
    font-weight: 820;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-formula mjx-container {
    max-width: 100%;
    margin: 0 !important;
}

[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-arrow {
    align-self: center;
    color: var(--ch01-primary);
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
    font-weight: 720;
    line-height: 1;
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] :is(.ch01-state-title, .ch01-state-result),
.ch01-visual[data-unit-visual-extension="homogeneity_scanner"] :is(.ch01-state-title, .ch01-state-result) {
    font-size: max(var(--unit-text-body, 14px), 15px);
}

.ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-state-text,
.ch01-visual[data-unit-visual-extension="homogeneity_scanner"] .ch01-state-text {
    font-size: max(var(--unit-text-detail, 13px), 14px);
}

.ch01-visual[data-unit-visual-extension="homogeneity_scanner"] .ch01-visual-drawing :is(.ch01-math-label.is-equation, .ch01-math-label.is-verdict) {
    font-size: max(var(--unit-text-body, 14px), 16px);
}

.ch01-visual[data-unit-visual-extension="homogeneity_scanner"] .ch01-visual-drawing :is(.ch01-math-label.is-term, .ch01-math-label.is-unit-signature) {
    font-size: max(var(--unit-text-detail, 13px), 15px);
}

[data-unit-visual-extension="homogeneity_scanner"] :is(.ch01-equation-panel, .ch01-verdict-panel) {
    fill: color-mix(in srgb, var(--ch01-primary) 6%, #fff);
    stroke: color-mix(in srgb, var(--ch01-primary) 30%, var(--ch01-line));
    stroke-width: 1.5;
    rx: 14px;
}

[data-unit-visual-extension="homogeneity_scanner"] .ch01-verdict-panel {
    fill: color-mix(in srgb, var(--ch01-success) 6%, #fff);
    stroke: color-mix(in srgb, var(--ch01-success) 34%, var(--ch01-line));
}

[data-unit-visual-extension="homogeneity_scanner"] .ch01-term-divider {
    fill: color-mix(in srgb, var(--ch01-line) 52%, transparent);
}

[data-unit-visual-extension="uncertainty_propagation_lab"] .ch01-uncertainty-panel {
    fill: rgb(255 255 255 / .92);
    stroke: color-mix(in srgb, var(--ch01-line) 64%, transparent);
    stroke-width: 1.5;
    rx: 15px;
}

[data-unit-visual-extension="uncertainty_propagation_lab"] .ch01-uncertainty-panel.is-evidence {
    stroke: color-mix(in srgb, var(--ch01-primary) 46%, var(--ch01-line));
}

[data-unit-visual-extension="uncertainty_propagation_lab"] .ch01-uncertainty-panel.is-operation {
    fill: color-mix(in srgb, var(--ch01-primary) 4%, #fff);
}

[data-unit-visual-extension="uncertainty_propagation_lab"] .ch01-uncertainty-panel.is-conclusion {
    fill: color-mix(in srgb, var(--ch01-resultant) 7%, #fff);
    stroke: color-mix(in srgb, var(--ch01-resultant) 46%, var(--ch01-line));
}

[data-unit-visual-extension="uncertainty_propagation_lab"] :is(.is-equation, .is-operation, .is-rule) {
    max-width: 72%;
    font-size: max(var(--unit-text-body, 14px), 16px);
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label, .ch01-text-label) {
    position: absolute;
    z-index: 3;
    max-width: min(15rem, 42%);
    color: var(--ch01-ink);
    font-size: var(--unit-text-meta, 12px);
    font-weight: 720;
    line-height: 1.15;
    text-align: center;
    white-space: nowrap;
    transform: translate(-50%, -50%);
    pointer-events: none;
    text-shadow: -2px 0 #fff, 2px 0 #fff, 0 -2px #fff, 0 2px #fff;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label, .ch01-text-label)[data-math-anchor="start"] {
    transform: translate(0, -50%);
    text-align: left;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label, .ch01-text-label)[data-math-anchor="end"] {
    transform: translate(-100%, -50%);
    text-align: right;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label.is-heading, .ch01-text-label.is-heading) {
    color: var(--ch01-ink);
    font-weight: 800;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label.is-muted, .ch01-text-label.is-muted) {
    color: var(--ch01-muted);
    font-weight: 650;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label.is-primary, .ch01-math-label.is-unit, .ch01-math-label.is-measurement) {
    color: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] .ch01-math-label.is-secondary {
    color: var(--ch01-secondary);
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-math-label.is-resultant, .ch01-text-label.is-resultant, .ch01-math-label.is-verdict) {
    color: var(--ch01-resultant);
}

.ch01-visual[data-unit-visual-extension] .ch01-math-label.is-number {
    color: var(--ch01-ink);
    font-size: calc(var(--unit-text-heading-large, 22px) * 1.22);
    font-weight: 820;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-summary {
    display: grid;
    gap: .24rem;
    min-width: 0;
    margin-top: .62rem;
    padding: .7rem .78rem;
    border-left: 3px solid var(--ch01-primary);
    border-radius: .7rem;
    background: color-mix(in srgb, var(--ch01-primary) 5%, #fff);
}

.ch01-visual[data-unit-visual-extension] .ch01-state-summary :is(strong, p) {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-title {
    color: var(--ch01-ink);
    font-size: var(--unit-text-body, 14px);
    line-height: 1.3;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-text {
    color: var(--ch01-muted);
    font-size: var(--unit-text-detail, 13px);
    line-height: 1.48;
}

.ch01-visual[data-unit-visual-extension] .ch01-state-result {
    color: var(--ch01-resultant);
    font-size: var(--unit-text-detail, 13px);
    font-weight: 760;
    line-height: 1.42;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-panel, .ch01-chain-panel, .ch01-term-box) {
    fill: #fff;
    stroke: color-mix(in srgb, var(--ch01-line) 70%, transparent);
    stroke-width: 1.6;
}

.ch01-visual[data-unit-visual-extension] .ch01-panel {
    rx: 18;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-card-rule, .ch01-ground, .ch01-scale-line, .ch01-scale-tick, .ch01-dimension-line, .ch01-dimension-tick) {
    fill: none;
    stroke: var(--ch01-line);
    stroke-width: 1.5;
}

.ch01-visual[data-unit-visual-extension] .ch01-scale-tick.is-focus {
    stroke: var(--ch01-primary);
    stroke-width: 2.4;
}

.ch01-visual[data-unit-visual-extension] .ch01-door-frame {
    fill: color-mix(in srgb, var(--ch01-primary) 5%, #fff);
    stroke: var(--ch01-ink);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-semantic-point {
    fill: var(--ch01-ink);
    stroke: #fff;
    stroke-width: 1.4;
}

.ch01-visual[data-unit-visual-extension] .ch01-semantic-point:is(.is-measurement, .is-moving) {
    fill: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] .ch01-semantic-point.is-proof {
    fill: var(--ch01-resultant);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-chain-panel {
    rx: 14;
}

.ch01-visual[data-unit-visual-extension] .ch01-term-box {
    rx: 12;
}

.ch01-visual[data-unit-visual-extension] .ch01-term-box[data-scanned="true"][data-term-status="valid"] {
    fill: color-mix(in srgb, var(--ch01-success) 8%, #fff);
    stroke: var(--ch01-success);
}

.ch01-visual[data-unit-visual-extension] .ch01-term-box[data-scanned="true"][data-term-status="invalid"] {
    fill: color-mix(in srgb, var(--ch01-danger) 8%, #fff);
    stroke: var(--ch01-danger);
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-number-axis, .ch01-ruler-edge, .ch01-graph-axis) {
    stroke: var(--ch01-ink);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-accepted-line {
    stroke: var(--ch01-success);
    stroke-width: 2;
    stroke-dasharray: 7 5;
}

.ch01-visual[data-unit-visual-extension] .ch01-mean-line {
    stroke: var(--ch01-resultant);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-reading-dot {
    fill: var(--ch01-primary);
    stroke: #fff;
    stroke-width: 1.5;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-target-ring {
    fill: none;
    stroke: color-mix(in srgb, var(--ch01-line) 58%, transparent);
    stroke-width: 1.35;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-target-ring.is-outer {
    stroke: color-mix(in srgb, var(--ch01-line) 82%, transparent);
    stroke-width: 1.8;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-target-guide {
    stroke: color-mix(in srgb, var(--ch01-line) 46%, transparent);
    stroke-width: 1;
    stroke-dasharray: 4 6;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-target-shot {
    fill: var(--ch01-primary);
    stroke: #fff;
    stroke-width: 1.5;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-target-centre {
    fill: var(--ch01-success);
    stroke: #fff;
    stroke-width: 1.4;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-text-label.is-target-label {
    color: var(--ch01-muted);
    font-weight: 710;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-state-controls {
    grid-template-columns: repeat(auto-fit, minmax(min(8.8rem, 100%), 1fr));
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-text-label.is-reading-legend {
    max-width: 70%;
    color: var(--ch01-muted);
    font-size: max(var(--unit-text-micro, 11px), 11px);
    font-weight: 690;
}

[data-unit-visual-extension="measurement_error_patterns"] :is(.ch01-zero-panel, .ch01-zero-result-panel) {
    fill: color-mix(in srgb, var(--ch01-primary) 5%, #fff);
    stroke: color-mix(in srgb, var(--ch01-primary) 34%, var(--ch01-line));
    stroke-width: 1.6;
    rx: 16px;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-zero-result-panel {
    fill: color-mix(in srgb, var(--ch01-success) 7%, #fff);
    stroke: color-mix(in srgb, var(--ch01-success) 38%, var(--ch01-line));
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-text-label.is-zero-heading {
    max-width: 30%;
    color: var(--ch01-ink);
    font-size: max(var(--unit-text-detail, 13px), 14px);
    font-weight: 820;
}

[data-unit-visual-extension="measurement_error_patterns"] :is(.ch01-math-label.is-zero-line, .ch01-math-label.is-zero-rule) {
    max-width: 32%;
    font-size: max(var(--unit-text-detail, 13px), 14px);
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-math-label.is-zero-line.is-error {
    color: var(--ch01-danger);
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-text-label.is-zero-note {
    max-width: 28%;
    color: var(--ch01-danger);
    font-size: max(var(--unit-text-micro, 11px), 11px);
    font-weight: 760;
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-math-label.is-zero-rule {
    max-width: 70%;
    color: var(--ch01-ink);
}

[data-unit-visual-extension="measurement_error_patterns"] .ch01-math-label.is-zero-result {
    max-width: 70%;
    color: var(--ch01-success);
    font-size: max(var(--unit-text-body, 14px), 17px);
    font-weight: 840;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-uncertainty-cap, .ch01-uncertainty-bar) {
    stroke: var(--ch01-resultant);
    stroke-width: 4;
}

.ch01-visual[data-unit-visual-extension] .ch01-uncertainty-cap {
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-grid-line {
    stroke: color-mix(in srgb, var(--ch01-line) 30%, transparent);
    stroke-width: 1;
}

.ch01-visual[data-unit-visual-extension] .ch01-vector {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-primary {
    stroke: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-secondary {
    stroke: var(--ch01-secondary);
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-resultant {
    stroke: var(--ch01-resultant);
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-route {
    stroke: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-causal {
    stroke: var(--ch01-causal);
    stroke-width: 2.2;
}

.ch01-visual[data-unit-visual-extension] .ch01-vector.is-correction {
    stroke: var(--ch01-danger);
    stroke-width: 2.2;
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead {
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead:is(.is-primary, .is-route) {
    stroke: var(--ch01-primary);
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead.is-secondary {
    stroke: var(--ch01-secondary);
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead.is-resultant {
    stroke: var(--ch01-resultant);
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead.is-causal {
    stroke: var(--ch01-causal);
}

.ch01-visual[data-unit-visual-extension] .ch01-arrowhead.is-correction {
    stroke: var(--ch01-danger);
}

.ch01-visual[data-unit-visual-extension] .ch01-construction-line {
    fill: none;
    stroke: color-mix(in srgb, var(--ch01-line) 72%, transparent);
    stroke-width: 1.4;
    stroke-dasharray: 6 6;
}

.ch01-visual[data-unit-visual-extension] .ch01-component-axis {
    fill: none;
    stroke: color-mix(in srgb, var(--ch01-line) 46%, transparent);
    stroke-width: 1.2;
}

.ch01-visual[data-unit-visual-extension] .ch01-math-label.is-proof {
    max-width: 40%;
    color: var(--ch01-resultant);
    font-size: max(var(--unit-text-detail, 13px), 15px);
    font-weight: 800;
}

.ch01-visual[data-unit-visual-extension] .ch01-angle-arc {
    fill: none;
    stroke: var(--ch01-muted);
    stroke-width: 1.35;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-support, .ch01-table-frame, .ch01-table-rule, .ch01-ruler-tick) {
    fill: none;
    stroke: var(--ch01-line);
    stroke-width: 1.5;
}

.ch01-visual[data-unit-visual-extension] .ch01-measured-object {
    fill: color-mix(in srgb, var(--ch01-primary) 9%, #fff);
    stroke: var(--ch01-primary);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-eye {
    fill: #fff;
    stroke: var(--ch01-ink);
    stroke-width: 2;
}

.ch01-visual[data-unit-visual-extension] .ch01-sight-line {
    stroke: var(--ch01-success);
    stroke-width: 1.6;
    stroke-dasharray: 5 4;
}

.ch01-visual[data-unit-visual-extension] .ch01-sight-line.is-parallax {
    stroke: var(--ch01-danger);
}

.ch01-visual[data-unit-visual-extension] .ch01-motion-path {
    fill: none;
    stroke: color-mix(in srgb, var(--ch01-line) 70%, transparent);
    stroke-width: 1.4;
    stroke-dasharray: 6 5;
}

.ch01-visual[data-unit-visual-extension] .ch01-pendulum-string {
    stroke: var(--ch01-ink);
    stroke-width: 1.8;
}

.ch01-visual[data-unit-visual-extension] .ch01-pendulum-bob {
    fill: var(--ch01-primary);
    stroke: #fff;
    stroke-width: 1.5;
}

.ch01-visual[data-unit-visual-extension] .ch01-timer {
    fill: color-mix(in srgb, var(--ch01-resultant) 6%, #fff);
    stroke: var(--ch01-resultant);
    stroke-width: 1.8;
    rx: 12;
}

[data-unit-visual-extension="measurement_workbench"] .ch01-text-label.is-ready {
    max-width: 32%;
    color: var(--ch01-success);
    font-size: max(var(--unit-text-detail, 13px), 14px);
    font-weight: 820;
}

[data-unit-visual-extension="measurement_workbench"] .ch01-math-label.is-cycle-count {
    max-width: 42%;
    color: var(--ch01-ink);
    font-size: max(var(--unit-text-detail, 13px), 14px);
    font-weight: 760;
}

.ch01-visual[data-unit-visual-extension] :is(.ch01-table-frame, .ch01-evaluation-card) {
    fill: #fff;
}

.ch01-visual[data-unit-visual-extension] .ch01-graph-point {
    fill: var(--ch01-primary);
    stroke: #fff;
    stroke-width: 1.2;
}

.ch01-visual[data-unit-visual-extension] .ch01-best-fit {
    stroke: var(--ch01-resultant);
    stroke-width: 2.2;
}

.ch01-visual[data-unit-visual-extension] .ch01-gradient-triangle {
    fill: color-mix(in srgb, var(--ch01-secondary) 5%, transparent);
    stroke: var(--ch01-secondary);
    stroke-width: 1.6;
    stroke-dasharray: 6 5;
}

.ch01-visual[data-unit-visual-extension] .ch01-evaluation-card {
    stroke-width: 1.8;
    rx: 15;
}

.ch01-visual[data-unit-visual-extension] .ch01-evaluation-card.is-limit {
    stroke: var(--ch01-danger);
}

.ch01-visual[data-unit-visual-extension] .ch01-evaluation-card.is-improve {
    stroke: var(--ch01-success);
}

@media (min-width: 521px) and (max-width: 760px) {
    [data-unit-visual-extension="measurement_error_patterns"] .ch01-state-controls {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-drawing {
        min-height: 0;
        padding: .8rem;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow {
        grid-template-columns: minmax(0, 1fr);
        gap: .4rem;
        min-height: 0;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-stage {
        min-height: 6.2rem;
        padding: .72rem .82rem;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-arrow {
        justify-self: center;
        font-size: 1.55rem;
        transform: rotate(90deg);
    }
}

@media (max-width: 520px) {
    .ch01-visual[data-unit-visual-extension] {
        padding: .74rem;
        border-radius: .95rem;
    }

    .ch01-visual[data-unit-visual-extension] .ch01-state-controls {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    [data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-step {
        display: grid;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: .2rem;
        padding: .34rem .24rem;
        text-align: center;
    }

    [data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-progress-label {
        max-width: 100%;
        font-size: clamp(8.5px, 2.55vw, 10px);
    }

    [data-unit-visual-extension="measurement_claim_builder"] .ch01-claim-choices {
        grid-template-columns: 1fr;
    }

    .ch01-visual[data-unit-visual-extension] .ch01-timeline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ch01-visual[data-unit-visual-extension] .ch01-timeline-scrub {
        grid-column: 1 / -1;
    }

    .ch01-visual[data-unit-visual-extension] .ch01-timeline-phase {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-drawing {
        min-height: 0;
        padding: .74rem;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow {
        grid-template-columns: minmax(0, 1fr);
        gap: .38rem;
        min-height: 0;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-stage {
        min-height: 6.2rem;
        padding: .72rem .82rem;
    }

    [data-unit-visual-extension="derived_unit_chain"] .ch01-derived-arrow {
        justify-self: center;
        font-size: 1.55rem;
        transform: rotate(90deg);
    }

    .ch01-visual[data-unit-visual-extension] :is(.ch01-math-label, .ch01-text-label) {
        max-width: 44%;
        font-size: clamp(8.5px, 2.75vw, 11px);
        text-shadow: -1px 0 #fff, 1px 0 #fff, 0 -1px #fff, 0 1px #fff;
    }

    .ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow :is(.ch01-derived-stage-label, .ch01-derived-formula) {
        max-width: 100%;
        text-shadow: none;
    }

    .ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow .ch01-derived-stage-label {
        font-size: clamp(15px, var(--unit-text-detail, 13px), 17px);
    }

    .ch01-visual[data-unit-visual-extension="derived_unit_chain"] .ch01-derived-flow .ch01-derived-formula {
        font-size: clamp(18px, calc(var(--unit-text-heading-medium, 17px) * 1.18), 24px);
    }

    .ch01-visual[data-unit-visual-extension="homogeneity_scanner"] .ch01-visual-drawing :is(.ch01-math-label.is-equation, .ch01-math-label.is-verdict) {
        max-width: 72%;
        font-size: clamp(13.5px, 3.8vw, 16px);
    }

    .ch01-visual[data-unit-visual-extension="homogeneity_scanner"] .ch01-visual-drawing :is(.ch01-math-label.is-term, .ch01-math-label.is-unit-signature) {
        font-size: clamp(12.5px, 3.5vw, 15px);
    }

    .ch01-visual[data-unit-visual-extension] .ch01-state-summary {
        padding: .62rem .68rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ch01-visual[data-unit-visual-extension] *,
    .ch01-visual[data-unit-visual-extension] *::before,
    .ch01-visual[data-unit-visual-extension] *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}