.subpage {
    --surface-panel: #111111;
    --hairline: rgba(255, 255, 255, 0.08);
    --ink-strong: #ececec;
    --ink: #d4d4d4;
    --ink-soft: #a3a3a3;
    --ink-muted: #8a8a8a;
    --grid: #222222;
    --axis: #333333;
    --series-1: #3987e5;
    --series-1-hover: #5598e7;
    --series-track: #0d366b;
    --y-gutter: 36px;
}

.subpage main {
    max-width: 760px;
    margin: 0 auto;
    padding: 48px 40px 96px;
    background: #0a0a0a;
}

.back-link {
    display: inline-block;
    font-size: 0.875rem;
    margin-bottom: 40px;
}

.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--ink-strong);
}

.lede {
    font-size: 1.125rem;
    color: var(--ink);
    margin-top: 12px;
}

.page-intro {
    margin-top: 12px;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--ink-soft);
}

.page-meta {
    font-size: 0.8125rem;
    color: var(--ink-muted);
    margin-top: 12px;
}

.subpage main [id] {
    scroll-margin-top: 80px;
}

.subpage main > section[id] {
    scroll-margin-top: 36px;
}

.toc {
    position: sticky;
    top: 12px;
    z-index: 20;
    margin-bottom: 32px;
    border: 1px solid #262626;
    border-radius: 10px;
    background: rgba(17, 17, 17, 0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.toc-menu summary {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    font-size: 0.8125rem;
    color: var(--ink-soft);
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.toc-menu summary::-webkit-details-marker {
    display: none;
}

.toc-menu summary:hover {
    color: var(--ink-strong);
}

.toc-menu summary:focus-visible {
    outline: 2px solid #7eb4f0;
    outline-offset: 2px;
}

.toc-icon {
    position: relative;
    flex: none;
    width: 14px;
    height: 10px;
    border-top: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
}

.toc-icon::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 0;
    right: 0;
    border-top: 2px solid currentColor;
}

.toc-title {
    flex: none;
    font-weight: 600;
    color: var(--ink-strong);
}

.toc-current {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.toc.has-current .toc-current {
    padding-left: 10px;
    border-left: 1px solid var(--axis);
}

.toc-current-section {
    color: var(--ink);
}

.toc-current-sub::before {
    content: "›";
    margin: 0 7px;
    color: var(--ink-muted);
}

.toc-chevron {
    flex: none;
    width: 7px;
    height: 7px;
    margin: -3px 2px 0 auto;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s;
}

.toc-menu[open] .toc-chevron {
    margin-top: 3px;
    transform: rotate(-135deg);
}

.toc-progress {
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: -1px;
    height: 2px;
    border-radius: 1px;
    background: var(--series-1);
    transform: scaleX(0);
    transform-origin: left center;
}

.toc-panel {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: calc(100vh - 96px);
    max-height: calc(100dvh - 96px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 18px 20px 6px;
    border: 1px solid #262626;
    border-radius: 10px;
    background: #121212;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.toc-list {
    columns: 2;
    column-gap: 32px;
    list-style: none;
}

.toc-list li {
    margin: 0;
}

.toc-list > li {
    margin-bottom: 14px;
    break-inside: avoid;
}

.toc-list a {
    display: block;
    padding: 3px 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--ink-soft);
}

.toc-list > li > a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink-strong);
}

.toc-list ol {
    margin-top: 4px;
    border-left: 1px solid var(--axis);
    list-style: none;
}

.toc-list ol a {
    margin-left: -1px;
    padding-left: 12px;
    border-left: 2px solid transparent;
}

.toc-list a:hover {
    color: #b8d8ff;
    text-decoration: none;
}

.toc-list a[aria-current] {
    color: #7eb4f0;
}

.toc-list ol a[aria-current] {
    border-left-color: var(--series-1);
}

.prose p {
    font-size: 0.9375rem;
    color: var(--ink);
}

.prose p + p {
    margin-top: 14px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.hero-value {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink-strong);
}

.hero-label {
    font-size: 0.875rem;
    color: var(--ink-soft);
    margin-top: 6px;
}

.stat-tiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.stat-tile,
.viz,
.arch-detail {
    background: var(--surface-panel);
    border: 1px solid var(--hairline);
    border-radius: 8px;
}

.stat-tile {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 14px 16px;
}

.stat-tile dt {
    font-size: 0.75rem;
    line-height: 1.35;
    color: var(--ink-muted);
}

.stat-tile dd {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--ink-strong);
    margin-top: 6px;
}

.viz {
    padding: 16px 16px 14px;
    margin-bottom: 16px;
}

.viz figcaption {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.viz-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink-strong);
}

.viz-subtitle,
.viz-note,
.viz-meter-value {
    font-size: 0.75rem;
    color: var(--ink-muted);
}

.viz-body {
    position: relative;
}

.viz-plot {
    position: relative;
    height: 200px;
    margin-left: var(--y-gutter);
}

.viz-plot::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    border-top: 1px solid var(--axis);
}

.viz-grid {
    position: absolute;
    left: calc(var(--y-gutter) * -1);
    right: 0;
    border-top: 1px solid var(--grid);
}

.viz-grid span {
    position: absolute;
    left: 0;
    bottom: 2px;
    z-index: 1;
    font-size: 0.6875rem;
    font-variant-numeric: tabular-nums;
    color: var(--ink-muted);
}

.viz-area {
    touch-action: pan-y;
    cursor: crosshair;
}

.viz-area:focus-visible,
.viz-col:focus-visible {
    outline: 2px solid #7eb4f0;
    outline-offset: 4px;
    border-radius: 2px;
}

.viz-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.viz-area-fill {
    fill: var(--series-1);
    fill-opacity: 0.12;
}

.viz-area-line {
    fill: none;
    stroke: var(--series-1);
    stroke-width: 1.5px;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.viz-peak,
.viz-cursor {
    position: absolute;
    z-index: 1;
    width: 10px;
    height: 10px;
    margin: 0 0 -5px -5px;
    border-radius: 50%;
    background: var(--series-1);
    box-shadow: 0 0 0 2px var(--surface-panel);
    pointer-events: none;
}

.viz-peak-label {
    position: absolute;
    z-index: 1;
    transform: translate(calc(-100% - 12px), 50%);
    font-size: 0.75rem;
    white-space: nowrap;
    color: var(--ink);
    pointer-events: none;
}

.viz-crosshair {
    position: absolute;
    top: 0;
    bottom: 0;
    border-left: 1px solid var(--ink-muted);
    pointer-events: none;
}

.viz-crosshair[hidden],
.viz-cursor[hidden],
.viz-tooltip[hidden] {
    display: none;
}

.viz-x-axis {
    position: relative;
    height: 18px;
    margin-top: 8px;
    margin-left: var(--y-gutter);
}

.viz-x-axis span {
    position: absolute;
    transform: translateX(-50%);
    font-size: 0.6875rem;
    white-space: nowrap;
    color: var(--ink-muted);
}

.viz-col-row {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
}

.viz-col {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.viz-col-bar {
    position: relative;
    width: min(24px, 70%);
    border-radius: 4px 4px 0 0;
    background: var(--series-1);
    transition: background 0.15s;
}

.viz-col:hover .viz-col-bar,
.viz-col:focus-visible .viz-col-bar {
    background: var(--series-1-hover);
}

.viz-col-value {
    position: absolute;
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    margin-bottom: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
    color: var(--ink);
}

.viz-col-labels {
    display: flex;
    margin-top: 8px;
    margin-left: var(--y-gutter);
}

.viz-col-labels span {
    flex: 1;
    text-align: center;
    font-size: 0.6875rem;
    color: var(--ink-muted);
}

.viz-note {
    margin-top: 10px;
}

.viz-tooltip {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    padding: 8px 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    background: #1c1c1c;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    font-size: 0.75rem;
    white-space: nowrap;
    color: var(--ink-soft);
    pointer-events: none;
}

.viz-tooltip strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ink-strong);
}

.viz-meter {
    height: 8px;
    border-radius: 4px;
    background: var(--series-track);
    overflow: hidden;
}

.viz-meter span {
    display: block;
    height: 100%;
    border-right: 2px solid var(--surface-panel);
    background: var(--series-1);
}

.viz-meter-value {
    margin-top: 8px;
}

.viz-table {
    margin-top: 8px;
}

.viz-table summary {
    cursor: pointer;
    font-size: 0.8125rem;
    color: #7eb4f0;
}

.viz-table-scroll {
    overflow-x: auto;
    margin-top: 12px;
}

.viz-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    font-variant-numeric: tabular-nums;
}

.viz-table th,
.viz-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--grid);
    text-align: right;
    white-space: nowrap;
    color: var(--ink);
}

.viz-table th:first-child {
    text-align: left;
}

.viz-table thead th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-muted);
}

.viz-table tbody th {
    font-weight: 400;
}

.viz-table .viz-table-total th,
.viz-table .viz-table-total td {
    border-bottom: none;
    font-weight: 600;
    color: var(--ink-strong);
}

.feature-group {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 44px 0 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7eb4f0;
}

.feature-group::after {
    content: "";
    flex: 1;
    border-top: 1px solid rgba(126, 180, 240, 0.25);
}

.subpage .section-subtitle + .feature-group {
    margin-top: 8px;
}

.feature-list > li {
    margin-bottom: 12px;
    padding: 20px 22px;
    border: 1px solid var(--hairline);
    border-radius: 10px;
    background: #101010;
}

.feature-list h3,
.feature-list h4 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--ink-strong);
}

.feature-list li p {
    margin-top: 6px;
    line-height: 1.65;
    color: var(--ink-soft);
}

.feature-shot {
    display: block;
    max-width: var(--shot-w, 100%);
    margin: 16px 0 14px;
    border: 1px solid #2e2e2e;
    border-radius: 8px;
    overflow: hidden;
    background: #0e0e0e;
    cursor: zoom-in;
}

.feature-shot:hover,
.feature-shot:focus-visible {
    border-color: #4a4a4a;
}

.feature-shot img {
    display: block;
    width: 100%;
    height: auto;
}

.feature-shots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 16px 0 14px;
}

.feature-shots .feature-shot {
    margin: 0;
    align-self: start;
}

.lightbox {
    width: auto;
    max-width: min(1400px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    margin: auto;
    padding: 0;
    border: 1px solid #333333;
    border-radius: 10px;
    background: #0e0e0e;
    overflow: auto;
    cursor: zoom-out;
}

.lightbox::backdrop {
    background: rgba(0, 0, 0, 0.85);
}

.lightbox img {
    display: block;
    max-width: 100%;
    height: auto;
}

.lesson-list {
    list-style: none;
    padding: 0;
    counter-reset: lesson;
}

.lesson-list h3::before {
    counter-increment: lesson;
    content: counter(lesson, decimal-leading-zero);
    margin-right: 10px;
    font-variant-numeric: tabular-nums;
    color: var(--ink-muted);
}

.lesson-list li p {
    margin-top: 8px;
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--ink);
}

.lesson-list li p + p {
    margin-top: 14px;
}

.lesson-list li .lesson-takeaway {
    padding-left: 12px;
    border-left: 2px solid var(--series-1);
    color: var(--ink-strong);
}

.feature-list li .feature-how {
    margin-top: 8px;
    padding-left: 12px;
    border-left: 2px solid var(--axis);
    font-size: 0.8125rem;
    color: var(--ink-muted);
}

.feature-list .feature-how li {
    position: relative;
    margin: 0;
    padding-left: 14px;
    line-height: 1.6;
}

.feature-list .feature-how li + li {
    margin-top: 5px;
}

.feature-list .feature-how li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #5a5a5a;
}

.stack-list li {
    position: relative;
    margin-bottom: 10px;
    padding-left: 16px;
    font-size: 0.9375rem;
    color: var(--ink);
}

.stack-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.8em;
    width: 6px;
    border-top: 1px solid var(--ink-muted);
}

.subpage main > section {
    margin-top: 72px;
    padding-top: 40px;
    border-top: 1px solid var(--axis);
}

.subpage section h2 {
    font-size: 1.625rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--ink-strong);
    margin-bottom: 8px;
}

.subpage .section-subtitle {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--ink-soft);
    margin-bottom: 28px;
}

.closing {
    margin-top: 20px;
    padding: 32px 32px 28px;
    border: 1px solid rgba(126, 180, 240, 0.25);
    border-radius: 12px;
    background:
        linear-gradient(
            160deg,
            rgba(57, 135, 229, 0.12),
            rgba(57, 135, 229, 0.02) 60%
        ),
        #0f0f0f;
}

.closing p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--ink);
}

.closing p + p {
    margin-top: 16px;
}

.sign-off {
    margin-top: 56px;
    font-size: 1.375rem;
    line-height: 1;
    text-align: center;
    color: #e5484d;
}

.sub-heading {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ink-strong);
    margin: 40px 0 12px;
}

.arch {
    margin: 28px calc(50% - min(550px, 50vw - 20px)) 8px;
    padding: 28px 28px 20px;
    border: 1px solid #262626;
    border-radius: 12px;
    background: #0d0d0d;
}

.arch-explorer {
    margin-top: 24px;
}

.arch-hint {
    margin-bottom: 10px;
    font-size: 0.8125rem;
    color: var(--ink-muted);
}

.arch-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.arch-picker[hidden],
.arch-hint[hidden],
.arch-detail[hidden] {
    display: none;
}

.arch-picker button {
    padding: 5px 12px;
    border: 1px solid #2e2e2e;
    border-radius: 999px;
    background: transparent;
    font: inherit;
    font-size: 0.8125rem;
    color: var(--ink-soft);
    cursor: pointer;
    transition:
        border-color 0.15s,
        color 0.15s,
        background 0.15s;
}

.arch-picker button:hover {
    border-color: #4a4a4a;
    color: var(--ink-strong);
}

.arch-picker button[aria-pressed="true"] {
    border-color: var(--series-1);
    background: rgba(57, 135, 229, 0.14);
    color: var(--ink-strong);
}

.arch-picker button:focus-visible {
    outline: 2px solid #7eb4f0;
    outline-offset: 2px;
}

.arch-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.arch-explorer.is-interactive .arch-details {
    display: block;
}

.arch-detail {
    padding: 16px 20px;
}

.arch-explorer.is-interactive .arch-detail {
    border-color: rgba(57, 135, 229, 0.45);
}

.arch-detail h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-strong);
}

.arch-detail p {
    margin-top: 6px;
    line-height: 1.65;
    color: var(--ink-soft);
}

.arch-hit {
    cursor: pointer;
    transition: opacity 0.15s;
}

.arch-hit.is-active > .arch-node,
.arch-hit.is-active > .arch-chip {
    stroke: var(--series-1);
    stroke-width: 1.75px;
}

.arch-hit.is-active > .arch-node--external {
    stroke-dasharray: none;
}

.arch-svg.is-dimmed .arch-hit:not(.is-active) {
    opacity: 0.4;
}

.arch-svg.is-dimmed .arch-edge:not(.is-lit),
.arch-svg.is-dimmed .arch-label:not(.is-lit) {
    opacity: 0.3;
}

.arch-edge,
.arch-label {
    transition: opacity 0.15s;
}

.arch-svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.arch-svg--tall {
    display: none;
    max-width: 420px;
    margin: 0 auto;
}

.arch-svg--wide .arch-title {
    font-size: 14px;
}

.arch-svg--wide .arch-sub {
    font-size: 12px;
}

.arch-svg--wide .arch-label {
    font-size: 11.5px;
}

.arch-node,
.arch-chip {
    fill: var(--surface-panel);
    stroke: #2e2e2e;
    stroke-width: 1px;
}

.arch-chip {
    fill: #181818;
}

.arch-node--external {
    fill: none;
    stroke: #4a4a4a;
    stroke-dasharray: 4 3;
}

.arch-title {
    font-size: 12.5px;
    font-weight: 600;
    fill: var(--ink-strong);
}

.arch-sub {
    font-size: 11px;
    fill: var(--ink-soft);
}

.arch-label {
    font-size: 10.5px;
    fill: var(--ink-muted);
}

.arch-edge {
    fill: none;
    stroke: var(--ink-muted);
    stroke-width: 1.25px;
    stroke-linejoin: round;
}

.arch-edge--public {
    stroke: var(--series-1);
    stroke-width: 1.5px;
}

.arch-arrow {
    fill: var(--ink-muted);
}

.arch-arrow--public {
    fill: var(--series-1);
}

.arch-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 18px;
    margin-top: 16px;
    font-size: 0.75rem;
    color: var(--ink-soft);
}

.arch-key {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.arch-key::before {
    content: "";
    width: 18px;
}

.arch-key--public::before {
    border-top: 2px solid var(--series-1);
}

.arch-key--internal::before {
    border-top: 2px solid var(--ink-muted);
}

.arch-key--external::before {
    height: 10px;
    border: 1px dashed #6a6a6a;
    border-radius: 3px;
}

.arch-key-note {
    flex-basis: 100%;
    color: var(--ink-muted);
}

.subpage kbd,
.subpage code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.8125em;
    padding: 1px 5px;
    border-radius: 4px;
    background: #161616;
    color: var(--ink);
}

.subpage kbd {
    border: 1px solid var(--axis);
    border-bottom-width: 2px;
}

.shot {
    margin: 32px calc(50% - min(550px, 50vw - 20px)) 40px;
}

.shot-img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    border: 1px solid #2e2e2e;
    border-radius: 8px;
    background: #0e0e0e;
}

.shot figcaption {
    margin-top: 8px;
    font-size: 0.8125rem;
    color: var(--ink-muted);
}

@media (max-width: 820px) {
    .arch-svg--wide {
        display: none;
    }

    .arch-svg--tall {
        display: block;
    }
}

@media (max-width: 600px) {
    .subpage main {
        padding: 32px 20px 64px;
    }

    .subpage main > section {
        margin-top: 56px;
        padding-top: 32px;
    }

    .subpage section h2 {
        font-size: 1.375rem;
    }

    .page-header h1 {
        font-size: 1.875rem;
    }

    .hero-value {
        font-size: 3rem;
    }

    .stat-tiles {
        grid-template-columns: repeat(2, 1fr);
    }

    .arch-details,
    .feature-shots {
        grid-template-columns: 1fr;
    }

    .arch {
        padding: 16px 12px 14px;
    }

    .feature-list > li {
        padding: 16px;
    }

    .toc {
        top: 8px;
    }

    .closing {
        padding: 22px 20px 20px;
    }

    .closing p {
        font-size: 1rem;
    }

    .toc.has-current .toc-title {
        display: none;
    }

    .toc.has-current .toc-current {
        padding-left: 0;
        border-left: 0;
    }

    .toc-panel {
        padding: 16px 16px 4px;
    }

    .toc-list {
        columns: 1;
    }

    .viz-plot {
        height: 180px;
    }
}

@media (max-width: 380px) {
    .subpage main {
        padding: 24px 16px 56px;
    }
}

@media (prefers-reduced-motion: no-preference) {
    :root:has(.toc) {
        scroll-behavior: smooth;
    }
}

@media (prefers-contrast: more) {
    .subpage {
        --ink-soft: #cccccc;
        --ink-muted: #bbbbbb;
        --grid: #444444;
    }
}

@media (forced-colors: active) {
    .viz-col-bar,
    .viz-meter span,
    .viz-peak,
    .viz-cursor {
        background: CanvasText;
    }

    .viz-area-line {
        stroke: CanvasText;
    }

    .arch-node,
    .arch-chip {
        fill: Canvas;
        stroke: CanvasText;
    }

    .arch-node--external {
        fill: none;
    }

    .arch-title,
    .arch-sub,
    .arch-label,
    .arch-arrow {
        fill: CanvasText;
    }

    .arch-edge {
        stroke: CanvasText;
    }
}