.inference-page {
    --inf-bg: #07101d;
    --inf-panel: #0b1726;
    --inf-raised: #102033;
    --inf-border: #29435d;
    --inf-border-strong: #3e698d;
    --inf-text: #f4f8fc;
    --inf-muted: #a9b8c8;
    --inf-accent: #5ee7df;
    --inf-accent-strong: #24c8c0;
    --inf-success: #68db9b;
    --inf-warning: #ffc36d;
    --inf-danger: #ff8f9b;
    --inf-focus: #ffd166;
    min-height: 100vh;
    color: var(--inf-text);
    background:
        radial-gradient(circle at 84% 5%, rgba(94, 231, 223, .13), transparent 28rem),
        radial-gradient(circle at 4% 25%, rgba(114, 83, 190, .15), transparent 30rem),
        var(--inf-bg);
}

:root[data-theme="light"] .inference-page {
    --inf-bg: #f3f7fa;
    --inf-panel: #ffffff;
    --inf-raised: #edf4f7;
    --inf-border: #b9ccd8;
    --inf-border-strong: #4c7289;
    --inf-text: #102a43;
    --inf-muted: #486176;
    --inf-accent: #006d70;
    --inf-accent-strong: #006266;
    --inf-success: #176b43;
    --inf-warning: #805000;
    --inf-danger: #a51d36;
    --inf-focus: #7a3e00;
    background:
        radial-gradient(circle at 84% 5%, rgba(0, 109, 112, .08), transparent 28rem),
        radial-gradient(circle at 4% 25%, rgba(101, 65, 165, .08), transparent 30rem),
        var(--inf-bg);
}

.inference-page *,
.inference-page *::before,
.inference-page *::after {
    box-sizing: border-box;
}

.inference-page main {
    padding-top: 89px;
}

.inference-page h1,
.inference-page h2,
.inference-page h3,
.inference-page p {
    margin-top: 0;
}

.inference-page h2,
.inference-page h3 {
    color: var(--inf-text);
}

.inference-page button,
.inference-page input,
.inference-page textarea {
    font: inherit;
}

.inference-page button:focus-visible,
.inference-page input:focus-visible,
.inference-page textarea:focus-visible,
.inference-page summary:focus-visible,
.inference-page a:focus-visible {
    outline: 3px solid var(--inf-focus);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: -80px;
    left: .5rem;
    padding: .7rem 1rem;
    border-radius: 6px;
    background: var(--inf-text);
    color: var(--inf-bg);
}

.skip-link:focus {
    top: .5rem;
}

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

.inference-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, .75fr);
    gap: clamp(2rem, 6vw, 6rem);
    align-items: center;
    min-height: 510px;
    padding-block: clamp(4rem, 9vw, 7rem);
}

.inference-kicker,
.summary-label {
    color: var(--inf-accent);
    font-size: .77rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.inference-hero h1 {
    max-width: 830px;
    margin: .75rem 0 1.25rem;
    color: var(--inf-text);
    font-size: clamp(2.65rem, 6vw, 5.3rem);
    line-height: .98;
    letter-spacing: -.055em;
}

.inference-lede {
    max-width: 760px;
    margin-bottom: 1.6rem;
    color: var(--inf-muted);
    font-size: clamp(1rem, 2vw, 1.22rem);
}

.boundary-badges {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
}

.boundary-badges span,
.summary-pill,
.capability-state {
    border: 1px solid var(--inf-border-strong);
    border-radius: 999px;
    padding: .38rem .7rem;
    color: var(--inf-accent);
    background: color-mix(in srgb, var(--inf-raised) 80%, transparent);
    font-size: .77rem;
    font-weight: 700;
}

.runtime-summary {
    position: relative;
    overflow: hidden;
    padding: 1.6rem;
    border: 1px solid var(--inf-border-strong);
    border-radius: 16px;
    background: linear-gradient(145deg, var(--inf-panel), var(--inf-raised));
    box-shadow: 0 24px 60px rgba(0, 0, 0, .18);
}

.runtime-summary::before {
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    content: "";
    background: linear-gradient(90deg, var(--inf-accent), transparent);
}

.runtime-summary h2 {
    display: flex;
    gap: .7rem;
    align-items: center;
    margin: .55rem 0 .75rem;
    font-size: 1.45rem;
}

.runtime-summary p {
    color: var(--inf-muted);
}

.status-dot {
    width: 11px;
    height: 11px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--inf-warning);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--inf-warning) 18%, transparent);
}

.status-dot.ready {
    background: var(--inf-success);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--inf-success) 18%, transparent);
}

.status-dot.error {
    background: var(--inf-danger);
}

.engine-status {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--inf-border);
    color: var(--inf-text);
    font-size: .85rem;
}

.inference-section {
    padding-block: clamp(3.5rem, 8vw, 6.5rem);
    border-top: 1px solid var(--inf-border);
}

.section-heading-row {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 520px);
    gap: 2rem;
    align-items: end;
    margin-bottom: 2rem;
}

.section-heading-row h2 {
    margin: .3rem 0 0;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.05;
    text-align: left;
}

.section-heading-row > p {
    margin-bottom: .2rem;
    color: var(--inf-muted);
}

.section-index {
    display: inline-block;
    min-width: 2.25rem;
    margin-right: .7rem;
    color: var(--inf-muted);
    font-weight: 800;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.capability-card,
.parity-panel,
.model-panel,
.inference-controls,
.inference-output {
    border: 1px solid var(--inf-border);
    border-radius: 14px;
    background: color-mix(in srgb, var(--inf-panel) 94%, transparent);
}

.capability-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding: 1.35rem;
}

.capability-icon {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    border: 1px solid var(--inf-border-strong);
    border-radius: 12px;
    color: var(--inf-accent);
    font-size: .72rem;
    font-weight: 800;
}

.capability-card h3 {
    margin-bottom: .15rem;
    font-size: 1.2rem;
}

.capability-card p,
.capability-card small {
    color: var(--inf-muted);
}

.capability-card p {
    margin-bottom: 0;
    font-size: .88rem;
}

.capability-card .capability-state {
    justify-self: start;
}

.capability-card small {
    grid-column: 1 / -1;
    min-height: 2.8em;
}

.capability-state.available,
.summary-pill.passed {
    border-color: var(--inf-success);
    color: var(--inf-success);
}

.capability-state.unavailable,
.summary-pill.failed {
    border-color: var(--inf-danger);
    color: var(--inf-danger);
}

.capability-card.enabled {
    border-color: var(--inf-success);
    box-shadow: inset 0 3px 0 var(--inf-success);
}

.worker-boundary {
    display: grid;
    grid-template-columns: 1fr minmax(160px, .42fr) 1fr;
    gap: 1rem;
    align-items: stretch;
}

.worker-boundary article {
    display: flex;
    min-height: 150px;
    flex-direction: column;
    justify-content: center;
    padding: 1.4rem;
    border: 1px solid var(--inf-border);
    border-radius: 14px;
    background: var(--inf-panel);
}

.worker-boundary article span,
.worker-boundary article small {
    color: var(--inf-muted);
}

.worker-boundary article strong {
    margin-block: .35rem;
    color: var(--inf-text);
    font-size: 1.2rem;
}

.worker-boundary .worker-node {
    border-color: var(--inf-accent);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--inf-accent) 10%, transparent), transparent 65%),
        var(--inf-panel);
}

.boundary-arrow {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: .5rem;
    place-items: center;
    color: var(--inf-accent);
    font-size: .75rem;
    text-transform: uppercase;
}

.boundary-arrow span:last-child {
    text-align: right;
}

.boundary-arrow b {
    font-size: 2rem;
}

.parity-layout,
.playground-grid {
    display: grid;
    grid-template-columns: minmax(300px, .8fr) minmax(0, 1.2fr);
    gap: 1rem;
}

.parity-panel,
.model-panel,
.inference-controls,
.inference-output {
    padding: 1.4rem;
}

.panel-heading {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.2rem;
}

.panel-heading h3 {
    margin-bottom: 0;
}

.parity-list {
    display: grid;
    gap: .5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.parity-list li {
    display: flex;
    gap: .7rem;
    align-items: center;
    padding: .65rem .75rem;
    border-radius: 8px;
    color: var(--inf-muted);
    background: var(--inf-raised);
}

.parity-list li.passed {
    color: var(--inf-text);
}

.parity-list li.passed span {
    color: var(--inf-success);
}

.parity-list li.failed span {
    color: var(--inf-danger);
}

.parity-metrics,
.model-facts {
    display: grid;
    gap: .7rem;
    margin: 1.2rem 0 0;
}

.parity-metrics {
    grid-template-columns: 1fr 1fr;
}

.parity-metrics div,
.model-facts div {
    display: flex;
    gap: .8rem;
    justify-content: space-between;
    padding-top: .65rem;
    border-top: 1px solid var(--inf-border);
}

.parity-metrics dt,
.model-facts dt {
    color: var(--inf-muted);
}

.parity-metrics dd,
.model-facts dd {
    margin: 0;
    color: var(--inf-text);
    font-weight: 700;
    text-align: right;
    overflow-wrap: anywhere;
}

.model-panel details {
    margin-top: 1.25rem;
}

.model-panel summary {
    cursor: pointer;
    color: var(--inf-accent);
    font-weight: 700;
}

.tensor-table-wrap {
    max-height: 360px;
    overflow: auto;
    margin-top: 1rem;
    border: 1px solid var(--inf-border);
    border-radius: 8px;
}

.tensor-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: .78rem;
}

.tensor-table-wrap th,
.tensor-table-wrap td {
    padding: .6rem;
    border-bottom: 1px solid var(--inf-border);
    text-align: left;
}

.tensor-table-wrap th {
    position: sticky;
    top: 0;
    color: var(--inf-text);
    background: var(--inf-raised);
}

.tensor-table-wrap td {
    color: var(--inf-muted);
}

.inference-controls > label,
.control-grid label {
    display: grid;
    gap: .4rem;
    color: var(--inf-text);
    font-size: .85rem;
    font-weight: 700;
}

.inference-controls textarea,
.inference-controls input {
    width: 100%;
    border: 1px solid var(--inf-border-strong);
    border-radius: 8px;
    padding: .72rem;
    color: var(--inf-text);
    background: var(--inf-raised);
}

.inference-controls textarea:disabled,
.inference-controls input:disabled {
    opacity: .65;
    cursor: wait;
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .85rem;
    margin-block: 1rem;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
}

.action-row button {
    min-height: 44px;
    border: 1px solid var(--inf-border-strong);
    border-radius: 8px;
    padding: .65rem 1rem;
    color: var(--inf-text);
    background: var(--inf-raised);
    cursor: pointer;
}

.action-row .inference-primary {
    border-color: var(--inf-accent);
    color: #041a1d;
    background: var(--inf-accent);
    font-weight: 800;
}

:root[data-theme="light"] .action-row .inference-primary {
    color: #fff;
}

.action-row button:disabled {
    opacity: .55;
    cursor: not-allowed;
    filter: grayscale(.65);
}

.fixture-guidance {
    margin: -.35rem 0 .85rem;
    color: var(--inf-muted);
    font-size: .78rem;
}

.fixture-guidance.is-error {
    color: var(--inf-warning);
}

.inference-output pre {
    min-height: 120px;
    margin: .6rem 0 1rem;
    padding: 1rem;
    border: 1px solid var(--inf-border);
    border-radius: 8px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    color: var(--inf-text);
    background: var(--inf-bg);
}

.logit-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: .5rem;
}

.logit-list span {
    display: grid;
    padding: .55rem;
    border-radius: 6px;
    color: var(--inf-muted);
    background: var(--inf-raised);
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .78rem;
}

.milestone-boundary {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem 1.2rem;
    border-left: 4px solid var(--inf-warning);
    color: var(--inf-muted);
    background: var(--inf-panel);
}

.milestone-boundary strong {
    flex: 0 0 auto;
    color: var(--inf-warning);
}

@media (max-width: 860px) {
    .inference-hero,
    .section-heading-row,
    .parity-layout,
    .playground-grid {
        grid-template-columns: 1fr;
    }

    .inference-hero {
        min-height: auto;
    }

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

    .worker-boundary {
        grid-template-columns: 1fr;
    }

    .boundary-arrow {
        grid-template-columns: 1fr;
    }

    .boundary-arrow b {
        transform: rotate(90deg);
    }
}

@media (max-width: 580px) {
    .inference-page main {
        padding-top: 74px;
    }

    .inference-hero,
    .inference-section {
        width: min(100% - 24px, 1180px);
    }

    .inference-hero h1 {
        font-size: clamp(2.35rem, 13vw, 3.4rem);
    }

    .control-grid,
    .parity-metrics {
        grid-template-columns: 1fr;
    }

    .milestone-boundary {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .inference-page *,
    .inference-page *::before,
    .inference-page *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}