.lab-hero {
    padding-block: 48px 54px;
    border-bottom: 1px solid var(--line);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.lab-hero h1 {
    max-width: 900px;
}

.lab-hero .hero-lede {
    max-width: 780px;
    margin-bottom: 0;
}

.lab-workbench {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1px;
    width: min(calc(100% - 96px), var(--shell));
    margin: 56px auto 80px;
    border: 1px solid var(--ink);
    background: var(--ink);
}

.lab-panel {
    min-width: 0;
    padding: clamp(26px, 4vw, 42px);
    background: var(--white);
}

.lab-panel.input-panel {
    background: var(--paper-deep);
}

.lab-panel-heading {
    display: flex;
    gap: 24px;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 22px;
}

.lab-panel-heading h2 {
    margin: 0;
    font-size: clamp(28px, 3vw, 38px);
}

.lab-reference,
.lab-counter,
.lab-status,
.score-caption,
.lab-confidence,
.lab-auto-note,
.metric-label,
.dimension-name,
.finding-meta,
.lab-small-button,
.lab-privacy,
.scale-range {
    font-family: var(--label);
}

.lab-reference,
.lab-counter,
.metric-label,
.finding-meta,
.lab-privacy,
.lab-auto-note,
.scale-range {
    color: var(--ink-soft);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.lab-textarea {
    width: 100%;
    min-height: 470px;
    padding: 22px;
    resize: vertical;
    border: 1px solid var(--ink);
    border-radius: 0;
    color: var(--ink);
    background: var(--white);
    font-family: var(--body);
    font-size: 17px;
    line-height: 1.65;
}

.lab-textarea::placeholder {
    color: rgba(68, 71, 72, 0.62);
}

.lab-input-meta,
.lab-inline-actions,
.lab-report-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
}

.lab-input-meta {
    justify-content: space-between;
    margin-top: 12px;
}

.lab-small-button {
    min-height: 40px;
    padding: 0;
    border: 0;
    color: var(--red);
    background: transparent;
    cursor: pointer;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-decoration: underline;
    text-decoration-color: rgba(167, 56, 33, 0.4);
    text-underline-offset: 0.3em;
    text-transform: uppercase;
}

.lab-privacy {
    margin: 4px 0 0;
    letter-spacing: 0.07em;
    line-height: 1.55;
    text-transform: none;
}

.lab-auto-note {
    margin: 18px 0 0;
    color: var(--red-dark);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: none;
}

.lab-empty {
    display: grid;
    gap: 12px;
    min-height: 565px;
    place-items: center;
    align-content: center;
    text-align: center;
}

.lab-empty p {
    max-width: 350px;
    margin: 0;
    color: var(--ink-soft);
    font-size: 22px;
}

.lab-empty span {
    max-width: 330px;
    color: var(--ink-soft);
    font-family: var(--label);
    font-size: 11px;
    line-height: 1.5;
}

.empty-score {
    display: grid;
    width: 126px;
    height: 126px;
    margin-bottom: 12px;
    place-items: center;
    border: 14px solid var(--paper-deep);
    border-radius: 50%;
    color: rgba(68, 71, 72, 0.45);
    font-family: var(--display);
    font-size: 42px;
}

.lab-status {
    min-height: 24px;
    margin: 14px 0 0;
    color: var(--red-dark);
    font-size: 10px;
    font-weight: 600;
}

.lab-results[hidden],
.lab-empty[hidden] {
    display: none;
}

.score-summary {
    display: grid;
    grid-template-columns: minmax(180px, 0.72fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 54px);
    align-items: center;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--ink);
}

.score-ring {
    --score: 0;
    --score-color: #2f7d53;
    position: relative;
    display: grid;
    width: min(100%, 224px);
    aspect-ratio: 1;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(from -90deg, var(--score-color) calc(var(--score) * 1%), rgba(28, 28, 25, 0.09) 0);
    transition: background 240ms ease;
}

.score-ring::after {
    position: absolute;
    width: 72%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--white);
    box-shadow: inset 0 0 0 1px rgba(28, 28, 25, 0.08);
    content: "";
}

.score-ring-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: baseline;
    color: var(--score-color);
    transition: color 240ms ease;
}

.score-ring-inner strong {
    font-family: var(--display);
    font-size: clamp(56px, 6vw, 76px);
    letter-spacing: -0.07em;
    line-height: 1;
}

.score-ring-inner span {
    margin-left: 5px;
    font-family: var(--label);
    font-size: 16px;
    font-weight: 600;
}

.score-caption {
    margin-bottom: 7px;
    color: var(--red);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.score-label {
    margin: 0 0 12px;
    font-family: var(--display);
    font-size: clamp(25px, 3vw, 35px);
    font-weight: 700;
    line-height: 1.1;
}

.score-explanation {
    max-width: 410px;
    margin: 0;
    color: var(--ink-soft);
    font-size: 16px;
}

.scale-range {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-top: 16px;
    letter-spacing: 0.05em;
    text-transform: none;
}

.scale-range span {
    display: inline-flex;
    gap: 7px;
    align-items: center;
}

.scale-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.scale-dot.low { background: #2f7d53; }
.scale-dot.high { background: #a73821; }

@media (prefers-reduced-motion: reduce) {
    .score-ring,
    .score-ring-inner,
    .dimension-fill {
        transition: none;
    }
}

.lab-confidence {
    margin: 16px 0 0;
    padding-left: 12px;
    border-left: 2px solid var(--red);
    color: var(--ink-soft);
    font-size: 12px;
    line-height: 1.5;
}

.lab-confidence[hidden] {
    display: none;
}

.lab-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin: 28px 0;
    border-block: 1px solid var(--line);
}

.metric {
    padding: 18px 12px;
    border-right: 1px solid var(--line);
}

.metric:first-child { padding-left: 0; }
.metric:last-child { border-right: 0; }

.metric strong {
    display: block;
    margin-top: 3px;
    font-family: var(--display);
    font-size: 27px;
}

.dimension-list {
    display: grid;
    gap: 14px;
    margin-bottom: 32px;
}

.dimension-row {
    display: grid;
    grid-template-columns: minmax(125px, 0.7fr) minmax(0, 1.3fr) 28px;
    gap: 14px;
    align-items: center;
}

.dimension-name {
    font-size: 10px;
    font-weight: 600;
}

.dimension-track {
    height: 5px;
    background: var(--paper-deep);
}

.dimension-fill {
    width: 0;
    height: 100%;
    background: var(--red);
    transition: width 400ms ease;
}

.dimension-count {
    color: var(--ink-soft);
    font-family: var(--label);
    font-size: 10px;
    text-align: right;
}

.lab-subsection {
    margin-top: 34px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}

.lab-subsection h3 {
    margin-bottom: 18px;
}

.annotated-text {
    max-height: 60vh;
    overflow: auto;
    padding: 22px;
    border: 1px solid var(--line);
    background: var(--paper-soft);
    white-space: pre-wrap;
}

.annotated-text mark {
    padding: 1px 2px;
    color: inherit;
    background: rgba(167, 56, 33, 0.16);
    box-shadow: inset 0 -2px 0 var(--red);
}

.annotated-text mark:focus-visible {
    outline: 2px solid var(--red-dark);
    outline-offset: 3px;
}

.finding-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.finding-item {
    padding: 19px 0;
    border-top: 1px solid var(--line);
}

.finding-item:first-child {
    border-top-color: var(--ink);
}

.finding-item h4 {
    margin: 4px 0 6px;
    font-family: var(--display);
    font-size: 19px;
}

.finding-item p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 15px;
}

.finding-excerpts {
    display: grid;
    gap: 7px;
    margin: 11px 0 12px;
}

.finding-excerpts q {
    display: block;
    padding: 8px 10px;
    border-left: 2px solid rgba(167, 56, 33, 0.45);
    color: var(--ink);
    background: var(--paper-soft);
    font-family: var(--body);
    font-size: 15px;
    line-height: 1.45;
}

.finding-meta {
    color: var(--red);
}

.lab-report-actions {
    margin-top: 30px;
}

.lab-method-note {
    padding: 28px;
    border-left: 3px solid var(--red);
    background: var(--paper-deep);
}

.lab-scale-list {
    margin: 26px 0 0;
    padding: 0;
    list-style: none;
}

.lab-scale-list li {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    padding: 15px 0;
    border-top: 1px solid var(--line);
}

.lab-scale-list strong:first-child {
    color: var(--red);
    font-family: var(--label);
    font-size: 10px;
    letter-spacing: 0.1em;
}

@media (max-width: 850px) {
    .lab-workbench {
        grid-template-columns: 1fr;
        width: min(calc(100% - 48px), var(--shell));
    }

    .lab-textarea {
        min-height: 40vh;
        max-height: 60vh;
    }

    .lab-empty {
        min-height: 300px;
    }
}

@media (max-width: 560px) {
    .lab-hero {
        padding-block: 32px 42px;
    }

    .lab-workbench {
        width: calc(100% - 32px);
        margin-block: 32px 56px;
    }

    .lab-panel {
        padding: 24px 20px;
    }

    .lab-panel-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .score-summary {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .score-ring {
        width: 190px;
        margin-inline: auto;
    }

    .score-copy {
        text-align: center;
    }

    .score-explanation {
        margin-inline: auto;
    }

    .scale-range {
        align-items: flex-start;
        flex-direction: column;
    }

    .scale-range span:last-child {
        flex-direction: row-reverse;
    }

    .metric,
    .metric:first-child { padding: 13px 10px; }

    .metric:first-child { padding-left: 0; }

    .dimension-row {
        grid-template-columns: 1fr 28px;
    }

    .dimension-track {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .lab-report-actions .button {
        width: 100%;
    }
}