:root {
    /* Primitive tokens */
    --charcoal-950: #10110e;
    --charcoal-900: #171813;
    --charcoal-850: #1e2019;
    --charcoal-700: #35372d;
    --charcoal-600: #4a4b3d;
    --ivory-100: #eeece4;
    --stone-300: #b1aea4;
    --stone-500: #7f7d74;
    --brass-400: #b8a767;
    --brass-300: #d0bc78;
    --olive-400: #819a79;
    --amber-400: #c29a62;
    --clay-400: #b8756d;
    --violet-muted-400: #968baa;

    /* Semantic tokens */
    --canvas: var(--charcoal-950);
    --surface: var(--charcoal-900);
    --surface-raised: var(--charcoal-850);
    --border: var(--charcoal-700);
    --border-strong: var(--charcoal-600);
    --text-primary: var(--ivory-100);
    --text-secondary: var(--stone-300);
    --text-tertiary: var(--stone-500);
    --interactive: var(--brass-400);
    --interactive-hover: var(--brass-300);
    --success: var(--olive-400);
    --warning: var(--amber-400);
    --danger: var(--clay-400);
    --synthetic: var(--violet-muted-400);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-24: 96px;

    /* Component tokens */
    --control-height: 48px;
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --duration-fast: 150ms;
    --duration-normal: 220ms;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--text-primary);
    background: var(--canvas);
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    background: var(--canvas);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.6;
}

button,
input,
select {
    font: inherit;
}

button,
select,
input[type="file"] {
    cursor: pointer;
}

a {
    color: inherit;
}

::selection {
    background: var(--interactive);
    color: var(--canvas);
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: var(--space-4);
    left: var(--space-4);
    padding: 10px 14px;
    transform: translateY(-160%);
    border-radius: var(--radius-sm);
    background: var(--text-primary);
    color: var(--canvas);
    transition: transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
    transform: translateY(0);
}

.shell {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    border-bottom: 1px solid var(--border);
}

.site-header__inner,
.site-footer__inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.wordmark {
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
}

.system-state {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.system-state__dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--success);
}

.hero {
    min-height: 320px;
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.7fr);
    gap: clamp(40px, 8vw, 120px);
    align-items: end;
    padding: clamp(72px, 11vw, 132px) 0 var(--space-16);
    border-bottom: 1px solid var(--border);
}

.section-kicker,
.section-index {
    margin: 0 0 var(--space-4);
    color: var(--interactive);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    line-height: 1.4;
}

.hero h1 {
    max-width: 850px;
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(48px, 7.4vw, 94px);
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 0.94;
}

.hero h1 span {
    display: block;
    color: var(--text-secondary);
}

.hero__aside {
    padding-bottom: var(--space-2);
}

.hero__aside>p {
    margin: 0;
    max-width: 38ch;
    color: var(--text-secondary);
}

.hero__facts {
    margin: var(--space-8) 0 0;
}

.hero__facts>div {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-4);
    padding: 9px 0;
    border-top: 1px solid var(--border);
}

.hero__facts dt {
    color: var(--text-tertiary);
    font-size: 12px;
}

.hero__facts dd {
    margin: 0;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
}

.workspace-section {
    padding: var(--space-24) 0;
    border-bottom: 1px solid var(--border);
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.42fr);
    gap: var(--space-12);
    align-items: end;
    margin-bottom: var(--space-12);
}

.section-heading h2,
.report-heading h2 {
    margin: 0;
    max-width: 760px;
    font-size: clamp(28px, 3.5vw, 46px);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

.section-note {
    margin: 0;
    max-width: 43ch;
    color: var(--text-tertiary);
    font-size: 14px;
}

.analysis-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--border);
}

.analysis-form[data-state="loading"] {
    opacity: 0.82;
}

.analysis-form[data-state="loading"] .field {
    transition: opacity var(--duration-fast) var(--ease-out);
}

.analysis-form[data-state="loading"] .field:not(.form-actions) {
    opacity: 0.72;
}

.field {
    min-width: 0;
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--border);
}

.field:nth-child(2n):not(.field--wide) {
    padding-left: var(--space-8);
    border-left: 1px solid var(--border);
}

.field:nth-child(2n + 1):not(.field--wide) {
    padding-right: var(--space-8);
}

.field--wide {
    grid-column: 1 / -1;
}

.field label {
    display: block;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
}

.required-mark {
    color: var(--warning);
}

.field input,
.field select {
    width: 100%;
    min-height: var(--control-height);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    outline: none;
    background: var(--surface);
    color: var(--text-primary);
    transition:
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out);
}

.field input:not([type="file"]),
.field select {
    padding: 0 var(--space-4);
}

.field input[type="file"] {
    padding: 10px;
}

.field input[type="file"]::file-selector-button {
    min-height: 32px;
    margin-right: var(--space-4);
    border: 0;
    border-right: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
}

.field input:focus-visible,
.field select:focus-visible,
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--interactive);
    outline-offset: 3px;
}

.field input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.field-help {
    margin: var(--space-2) 0 0;
    color: var(--text-tertiary);
    font-size: 12px;
}

.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-8) 0 0;
}

.form-assurance {
    margin: 0;
    max-width: 58ch;
    color: var(--text-secondary);
    font-size: 13px;
}

.primary-button,
.secondary-button {
    min-height: 44px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    transition:
        background var(--duration-fast) var(--ease-out),
        color var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    min-width: 204px;
    padding: 0 var(--space-5);
    border: 1px solid var(--interactive);
    background: var(--interactive);
    color: var(--canvas);
}

.primary-button:hover:not(:disabled) {
    border-color: var(--interactive-hover);
    background: var(--interactive-hover);
    transform: translateY(-1px);
}

.primary-button:disabled {
    opacity: 0.55;
    cursor: wait;
}

.button-arrow {
    font-size: 18px;
    line-height: 1;
}

.secondary-button {
    padding: 0 var(--space-4);
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--text-primary);
}

.secondary-button:hover {
    border-color: var(--text-secondary);
    background: var(--surface-raised);
}

.status-message {
    min-height: 28px;
    margin-top: var(--space-6);
    color: var(--text-secondary);
    font-size: 13px;
}

.status-message:not(:empty) {
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border);
    border-left-width: 3px;
    border-radius: var(--radius-sm);
    background: var(--surface);
}

.status-message[data-state="loading"]::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: var(--space-2);
    border-radius: 999px;
    background: var(--interactive);
    vertical-align: 1px;
    animation: status-pulse 1.1s ease-in-out infinite;
}

.status-message[data-state="loading"] {
    border-left-color: var(--interactive);
}

.status-message[data-state="error"] {
    border-left-color: var(--danger);
    background:
        color-mix(in srgb,
            var(--danger) 7%,
            var(--surface));
    color: var(--text-primary);
}

.status-message[data-state="success"] {
    border-left-color: var(--success);
    background:
        color-mix(in srgb,
            var(--success) 7%,
            var(--surface));
    color: var(--text-primary);
}

@keyframes status-pulse {

    0%,
    100% {
        opacity: 0.35;
        transform: scale(0.85);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

.hidden {
    display: none !important;
}

.results.is-visible {
    animation: report-enter var(--duration-normal) var(--ease-out) both;
}

@keyframes report-enter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.report-heading {
    display: flex;
    justify-content: space-between;
    gap: var(--space-10);
    align-items: end;
    padding: var(--space-24) 0 var(--space-12);
    border-bottom: 1px solid var(--border);
}

.report-heading__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.badge--success {
    border-color: color-mix(in srgb, var(--success) 55%, var(--border));
    color: var(--success);
}

.badge--warning {
    border-color: color-mix(in srgb, var(--warning) 55%, var(--border));
    color: var(--warning);
}

.badge--danger {
    border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
    color: var(--danger);
}

.badge--synthetic {
    border-color: color-mix(in srgb, var(--synthetic) 60%, var(--border));
    color: var(--synthetic);
}

.report-meta {
    display: flex;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.result-section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.solver-state {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.summary-group+.summary-group {
    margin-top: var(--space-8);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.metric {
    min-height: 126px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.metric__label {
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.35;
    text-transform: uppercase;
}

.metric__value {
    color: var(--text-primary);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.metric__note {
    color: var(--text-tertiary);
    font-size: 11px;
}

.allocation-list,
.alternative-list,
.review-list {
    border-top: 1px solid var(--border);
}

.allocation-block {
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--border);
}

.allocation-block__header {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr) auto;
    gap: var(--space-5);
    align-items: start;
}

.allocation-block__number {
    color: var(--text-tertiary);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.allocation-block__title {
    margin: 0;
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.08;
}

.route {
    margin-top: var(--space-2);
    color: var(--text-secondary);
    font-size: 14px;
}

.allocation-block__quantity {
    text-align: right;
}

.allocation-block__quantity strong {
    display: block;
    font-size: 28px;
    font-weight: 600;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.allocation-block__quantity span {
    color: var(--text-tertiary);
    font-size: 11px;
}

.allocation-block__body {
    display: grid;
    grid-template-columns: 70px minmax(0, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-8);
}

.allocation-detail {
    grid-column: 2;
}

.fact-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.fact {
    min-height: 86px;
    padding: var(--space-4);
    background: var(--canvas);
}

.fact__label {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.07em;
    line-height: 1.4;
    text-transform: uppercase;
}

.fact__value {
    display: block;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.value-breakdown {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.45fr);
    gap: var(--space-8);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
}

.value-breakdown dl {
    margin: 0;
}

.value-breakdown dl>div,
.provenance-list>div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-4);
    padding: 8px 0;
    border-top: 1px solid var(--border);
}

.value-breakdown dt,
.provenance-list dt {
    color: var(--text-tertiary);
    font-size: 12px;
}

.value-breakdown dd,
.provenance-list dd {
    margin: 0;
    text-align: right;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.net-recovery {
    align-self: end;
    padding-left: var(--space-6);
    border-left: 1px solid var(--border);
}

.net-recovery span {
    display: block;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.net-recovery strong {
    display: block;
    margin-top: var(--space-2);
    font-size: clamp(26px, 3vw, 38px);
    letter-spacing: -0.035em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.constraint-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-5);
}

.code-chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 9px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 10px;
}

.alternative-item,
.review-item {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.8fr);
    gap: var(--space-8);
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--border);
}

.alternative-item h3,
.review-item h3 {
    margin: 0 0 var(--space-2);
    font-size: 17px;
}

.alternative-item p,
.review-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.reason-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--space-2);
}

.review-banner {
    margin-bottom: var(--space-6);
    padding: var(--space-5) var(--space-6);
    border-left: 3px solid var(--warning);
    background: var(--surface);
}

.review-banner[data-state="clear"] {
    border-left-color: var(--success);
}

.review-banner strong {
    display: block;
    margin-bottom: var(--space-1);
}

.review-banner p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.provenance-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}

.provenance-card {
    min-width: 0;
    padding: var(--space-6);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.provenance-card__label {
    margin: 0 0 var(--space-4);
    color: var(--interactive);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.provenance-card h3 {
    margin: 0 0 var(--space-5);
    font-size: 18px;
}

.provenance-list {
    margin: 0;
}

.limitations-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--border);
}

.limitations-list li {
    position: relative;
    padding: var(--space-4) var(--space-4) var(--space-4) 24px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
}

.limitations-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--text-tertiary);
}

.advisory-note {
    display: grid;
    grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
}

.advisory-note strong {
    font-size: 13px;
}

.advisory-note p {
    margin: 0;
    max-width: 70ch;
    color: var(--text-secondary);
    font-size: 13px;
}

.empty-state {
    margin: 0;
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 14px;
}

.site-footer {
    color: var(--text-tertiary);
}

.site-footer__inner {
    min-height: 92px;
    font-size: 11px;
}

@media (max-width: 1023px) {
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .hero__aside {
        max-width: 620px;
    }

    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .fact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .provenance-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .shell {
        width: min(100% - 32px, 1180px);
    }

    .site-header__inner {
        min-height: 60px;
    }

    .system-state {
        font-size: 9px;
    }

    .hero {
        min-height: 0;
        padding: var(--space-16) 0 var(--space-12);
    }

    .hero h1 {
        font-size: clamp(45px, 15vw, 68px);
    }

    .workspace-section {
        padding: var(--space-16) 0;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: var(--space-5);
        margin-bottom: var(--space-8);
    }

    .analysis-form {
        grid-template-columns: 1fr;
    }

    .field,
    .field:nth-child(2n):not(.field--wide),
    .field:nth-child(2n + 1):not(.field--wide) {
        grid-column: 1;
        padding: var(--space-5) 0;
        border-left: 0;
    }

    .form-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .primary-button {
        width: 100%;
    }

    .report-heading {
        align-items: stretch;
        flex-direction: column;
        padding-top: var(--space-16);
    }

    .report-heading__actions {
        justify-content: flex-start;
    }

    .report-meta {
        flex-direction: column;
        gap: var(--space-1);
    }

    .metric-grid {
        grid-template-columns: 1fr 1fr;
    }

    .metric {
        min-height: 112px;
        padding: var(--space-4);
    }

    .allocation-block__header {
        grid-template-columns: 46px minmax(0, 1fr);
    }

    .allocation-block__quantity {
        grid-column: 2;
        margin-top: var(--space-4);
        text-align: left;
    }

    .allocation-block__body {
        grid-template-columns: 46px minmax(0, 1fr);
    }

    .fact-grid,
    .value-breakdown,
    .alternative-item,
    .review-item,
    .advisory-note {
        grid-template-columns: 1fr;
    }

    .net-recovery {
        padding: var(--space-5) 0 0;
        border-top: 1px solid var(--border);
        border-left: 0;
    }

    .reason-list {
        justify-content: flex-start;
    }

    .site-footer__inner {
        align-items: flex-start;
        justify-content: center;
        flex-direction: column;
        gap: var(--space-1);
    }
}

@media (max-width: 480px) {
    .metric-grid {
        grid-template-columns: 1fr;
    }

    .fact-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/* Pre-submission visual identity pass:
   flatten summary metrics on wider screens. */
@media (min-width: 901px) {
    #triage-metrics {
        grid-template-columns: repeat(7, minmax(0, 1fr));
    }

    #metrics {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }

    #triage-metrics,
    #metrics {
        border-left: 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    #triage-metrics .metric,
    #metrics .metric {
        min-height: 0;
        gap: var(--space-3);
        padding: var(--space-5) var(--space-4);
        border-right: 0;
        border-bottom: 0;
        border-left: 1px solid var(--border);
    }

    #triage-metrics .metric:first-child,
    #metrics .metric:first-child {
        padding-left: 0;
        border-left: 0;
    }

    #triage-metrics .metric:last-child,
    #metrics .metric:last-child {
        padding-right: 0;
    }

    #triage-metrics .metric__value,
    #metrics .metric__value {
        font-size: clamp(24px, 2.4vw, 32px);
    }
}


/* V2 — make the selected rescue plan the primary decision artifact. */
@media (min-width: 901px) {
    section[aria-labelledby="selected-plan-title"]>.section-heading {
        grid-template-columns: minmax(0, 1fr) minmax(240px, 0.34fr);
        padding-left: var(--space-6);
        border-left: 3px solid var(--interactive);
    }

    #selected-plan-title {
        max-width: 900px;
        font-size: clamp(38px, 4vw, 54px);
    }

    section[aria-labelledby="selected-plan-title"] .section-note {
        padding-bottom: var(--space-1);
    }

    #allocations {
        border-top: 1px solid var(--interactive);
    }

    #allocations .allocation-block {
        padding-top: var(--space-10);
        padding-bottom: var(--space-10);
    }

    #allocations .allocation-block__title {
        font-size: clamp(26px, 3.1vw, 36px);
    }
}

/* V3 — reserve report-header badges for actionable status. */
#scoring-provider {
    display: none;
}

/* V4 — present provenance as an evidence ledger, not dashboard cards. */
@media (min-width: 901px) {
    #provenance {
        border-left: 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    #provenance .provenance-card {
        padding: var(--space-6) var(--space-8);
        border-right: 0;
        border-bottom: 0;
        border-left: 1px solid var(--border);
    }

    #provenance .provenance-card:first-child {
        padding-left: 0;
        border-left: 0;
    }

    #provenance .provenance-card:last-child {
        padding-right: 0;
    }

    #provenance .provenance-card__label {
        margin-bottom: var(--space-3);
    }

    #provenance .provenance-card h3 {
        margin-bottom: var(--space-4);
        font-size: 20px;
    }

    #provenance .badge {
        min-height: 0;
        padding: 0 0 3px;
        border: 0;
        border-bottom: 1px solid currentColor;
        border-radius: 0;
        background: transparent;
    }
}

/* V5 — signature Afterlife AI rescue-routing motif. */
.rescue-route {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.rescue-route span:nth-child(even) {
    color: var(--interactive);
    font-size: 13px;
    letter-spacing: 0;
}

.rescue-route span:last-child {
    color: var(--text-primary);
}

@media (max-width: 600px) {
    .rescue-route {
        gap: var(--space-2);
        font-size: 9px;
        letter-spacing: 0.08em;
    }
}

/* V7A — flatten decision context into an operator worksheet. */
@media (min-width: 901px) {
    #analysis-form {
        column-gap: var(--space-12);
        row-gap: var(--space-6);
        border-top: 0;
    }

    #analysis-form .field {
        padding: 0;
        border-bottom: 0;
    }

    #analysis-form .field:nth-child(2n):not(.field--wide),
    #analysis-form .field:nth-child(2n + 1):not(.field--wide) {
        padding-left: 0;
        padding-right: 0;
        border-left: 0;
    }

    #analysis-form .field--wide:first-child {
        padding-bottom: var(--space-6);
        margin-bottom: var(--space-2);
        border-bottom: 1px solid var(--border);
    }

    #analysis-form .form-actions {
        margin-top: var(--space-2);
        padding-top: var(--space-6);
        border-top: 1px solid var(--border);
    }
}

/* V7B — treat decision constraints as worksheet controls
   across viewport sizes, not SaaS input cards. */
#analysis-form .field:not(.field--wide) input:not([type="file"]),
#analysis-form .field:not(.field--wide) select {
    min-height: 44px;
    padding-left: 0;
    padding-right: var(--space-3);
    border: 0;
    border-bottom: 1px solid var(--border-strong);
    border-radius: 0;
    background: transparent;
}

#analysis-form .field:not(.field--wide) input:not([type="file"]):hover:not(:disabled),
#analysis-form .field:not(.field--wide) select:hover {
    border-bottom-color: var(--text-secondary);
}

#analysis-form .field:not(.field--wide) input:not([type="file"]):focus-visible,
#analysis-form .field:not(.field--wide) select:focus-visible {
    outline: none;
    border-bottom-color: var(--interactive);
    box-shadow: 0 1px 0 var(--interactive);
}

#analysis-form .field:not(.field--wide) input:disabled {
    border-bottom-color: var(--border);
    background: transparent;
}

/* V7C — keep success feedback lightweight.
   Errors and processing states remain prominent. */
.status-message[data-state="success"] {
    min-height: 0;
    margin-top: var(--space-5);
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-secondary);
}

.status-message[data-state="success"]::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: var(--space-2);
    border-radius: 999px;
    background: var(--success);
    vertical-align: 1px;
}

/* V7D — make the primary action feel like an operator control. */
@media (min-width: 901px) {
    #analyze-button {
        min-width: 0;
        min-height: 42px;
        padding: 0 var(--space-5);
        gap: 0;
        border-color: var(--interactive);
        background: transparent;
        color: var(--interactive);
    }

    #analyze-button:hover:not(:disabled) {
        background: var(--interactive);
        color: var(--canvas);
        transform: none;
    }

    #analyze-button .button-arrow {
        display: none;
    }
}

#rescue-deadline {
    cursor: pointer;
}

/* Final workbook interaction — click + drag-and-drop. */
.file-dropzone {
    position: relative;
}

.file-input-native {
    position: absolute;
    width: 1px !important;
    height: 1px;
    padding: 0 !important;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0 !important;
}

/* Compact upload hierarchy */
.field .file-dropzone__surface {
    min-height: 112px;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    align-items: baseline;
    gap: var(--space-1) var(--space-2);
    margin: 0 !important;
    padding: var(--space-5) var(--space-6);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
}

.file-dropzone__prompt::before {
    content: "·";
    margin-right: var(--space-2);
    color: var(--text-tertiary);
}

.file-dropzone__file {
    flex-basis: 100%;
    margin-top: var(--space-1);
    color: var(--text-secondary);
    font-size: 14px;
}

.file-dropzone__surface:hover {
    border-color: var(--interactive);
}

.file-input-native:focus-visible+.file-dropzone__surface {
    outline: 2px solid var(--interactive);
    outline-offset: 3px;
}

.file-dropzone__title {
    color: var(--interactive);
    font-size: 13px;
    font-weight: 700;
}

.file-dropzone__prompt {
    color: var(--text-tertiary);
    font-size: 12px;
}

.file-dropzone__file {
    margin-top: var(--space-2);
    color: var(--text-secondary);
    font-size: 14px;
    word-break: break-word;
}

.file-dropzone[data-state="dragover"] .file-dropzone__surface {
    border-color: var(--interactive);
    background:
        color-mix(in srgb,
            var(--interactive) 5%,
            transparent);
}

.file-dropzone[data-state="selected"] .file-dropzone__surface {
    border-style: solid;
}

.file-dropzone[data-state="selected"] .file-dropzone__title {
    color: var(--success);
}

/* Final mobile decision-form correction. */
@media (max-width: 767px) {
    .workspace-section {
        padding: var(--space-10) 0;
    }

    .section-heading {
        gap: var(--space-3);
        margin-bottom: var(--space-6);
    }

    .field,
    .field:nth-child(2n):not(.field--wide),
    .field:nth-child(2n + 1):not(.field--wide) {
        padding: var(--space-4) 0;
    }

    .field label {
        margin-bottom: var(--space-2);
    }

    .field-help {
        margin-top: var(--space-1);
    }

    .form-actions {
        gap: var(--space-4);
        padding-top: var(--space-6);
    }

    .field .file-dropzone__surface {
        min-height: 88px;
        padding: var(--space-4);
    }

    .file-dropzone__file {
        margin-top: var(--space-1);
    }
}

@media (max-width: 480px) {
    .file-dropzone__prompt {
        display: none;
    }

    .file-dropzone__prompt::before {
        content: none;
    }
}

/* Final mobile visual consistency pass.
   Preserve the desktop language while adapting density and hierarchy
   for narrow operator screens. */
@media (max-width: 767px) {
    /* Keep the primary action visually consistent with the desktop
       operator control without sacrificing the full-width touch target. */
    #analyze-button {
        min-width: 0;
        min-height: 42px;
        gap: 0;
        border-color: var(--interactive);
        background: transparent;
        color: var(--interactive);
        transform: none;
    }

    #analyze-button:hover:not(:disabled) {
        border-color: var(--interactive);
        background: var(--interactive);
        color: var(--canvas);
        transform: none;
    }

    #analyze-button .button-arrow {
        display: none;
    }

    /* Reduce report whitespace on narrow screens. */
    .report-heading {
        padding: var(--space-10) 0 var(--space-8);
    }

    .result-section {
        padding-top: var(--space-10);
        padding-bottom: var(--space-10);
    }

    /* Flatten summary metrics into a compact evidence ledger. */
    #triage-metrics,
    #metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border-left: 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    #triage-metrics .metric,
    #metrics .metric {
        min-height: 0;
        gap: var(--space-3);
        padding: var(--space-4) var(--space-3);
        border-right: 0;
        border-bottom: 1px solid var(--border);
        background: transparent;
    }

    #triage-metrics .metric:nth-child(even),
    #metrics .metric:nth-child(even) {
        border-left: 1px solid var(--border);
    }

    #triage-metrics .metric:last-child:nth-child(odd) {
        grid-column: 1 / -1;
        border-left: 0;
    }

    #triage-metrics .metric__value,
    #metrics .metric__value {
        font-size: 28px;
    }

    /* Let selected allocations use the full mobile content width. */
    #allocations .allocation-block {
        padding-top: var(--space-6);
        padding-bottom: var(--space-6);
    }

    .allocation-block__header {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    .allocation-block__number {
        margin-bottom: var(--space-1);
    }

    .allocation-block__quantity {
        grid-column: 1;
        margin-top: var(--space-3);
        text-align: left;
    }

    .allocation-block__body {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        margin-top: var(--space-6);
    }

    .allocation-detail {
        grid-column: 1;
    }

    /* Facts remain dense at tablet/mobile-landscape widths while
       losing the heavy dashboard-card treatment. */
    .fact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0;
        border: 0;
        border-top: 1px solid var(--border);
        background: transparent;
    }

    .fact {
        min-height: 0;
        padding: var(--space-4) var(--space-3);
        border-bottom: 1px solid var(--border);
        background: transparent;
    }

    .fact:nth-child(even) {
        border-left: 1px solid var(--border);
    }

    /* Match the desktop provenance evidence-ledger language. */
    #provenance {
        border-left: 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    #provenance .provenance-card {
        padding: var(--space-5) 0;
        border-right: 0;
        border-left: 0;
        border-bottom: 1px solid var(--border);
    }

    #provenance .provenance-card:last-child {
        border-bottom: 0;
    }

    #provenance .provenance-card__label {
        margin-bottom: var(--space-3);
    }

    #provenance .provenance-card h3 {
        margin-bottom: var(--space-4);
    }

    #provenance .badge {
        min-height: 0;
        padding: 0 0 3px;
        border: 0;
        border-bottom: 1px solid currentColor;
        border-radius: 0;
        background: transparent;
    }
}

@media (max-width: 480px) {
    /* One-column evidence ledgers for genuinely narrow phone screens. */
    #triage-metrics,
    #metrics {
        grid-template-columns: 1fr;
    }

    #triage-metrics .metric,
    #metrics .metric {
        grid-column: 1;
        padding-left: 0;
        padding-right: 0;
        border-left: 0;
    }

    #triage-metrics .metric:nth-child(even),
    #metrics .metric:nth-child(even) {
        border-left: 0;
    }

    .fact-grid {
        grid-template-columns: 1fr;
    }

    .fact {
        padding-left: 0;
        padding-right: 0;
        border-left: 0;
    }

    .fact:nth-child(even) {
        border-left: 0;
    }
}

/* Final select-control normalization.
   Keep the closed control inside the Afterlife AI visual system while
   allowing the browser to retain native keyboard and option behavior. */
#analysis-form select {
    appearance: none;
    -webkit-appearance: none;
    color-scheme: dark;
    background-image:
        linear-gradient(
            45deg,
            transparent 50%,
            var(--text-secondary) 50%
        ),
        linear-gradient(
            135deg,
            var(--text-secondary) 50%,
            transparent 50%
        );
    background-position:
        calc(100% - 14px) 50%,
        calc(100% - 9px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}

#analysis-form select option {
    background: var(--surface);
    color: var(--text-primary);
}

#analysis-form select option:disabled {
    color: var(--text-tertiary);
}