.explorer-page {
    --archive-bg: oklch(0.93 0.025 78);
    --archive-paper: oklch(0.965 0.018 80);
    --archive-paper-strong: oklch(0.985 0.012 78);
    --archive-ink: oklch(0.25 0.022 55);
    --archive-muted: oklch(0.48 0.025 58);
    --archive-faint: oklch(0.7 0.025 67);
    --archive-line: oklch(0.72 0.035 70 / 0.72);
    --archive-gold: oklch(0.57 0.1 72);
    --archive-gold-soft: oklch(0.85 0.075 78);
    --archive-link: oklch(0.43 0.07 190);
    --archive-link-hover: oklch(0.34 0.065 190);
    --archive-display: Baskerville, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --archive-ui: "Avenir Next", Avenir, Futura, "Century Gothic", sans-serif;
    --archive-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    min-height: 100%;
    color: var(--archive-ink);
    background:
        radial-gradient(circle at 82% 18%, oklch(0.91 0.055 73 / 0.8), transparent 33rem),
        linear-gradient(145deg, var(--archive-paper) 0%, var(--archive-bg) 62%, oklch(0.9 0.035 67) 100%);
    font-family: var(--archive-ui);
}

:root[data-theme="dark"] .explorer-page {
    --archive-bg: oklch(0.19 0.018 52);
    --archive-paper: oklch(0.225 0.018 52);
    --archive-paper-strong: oklch(0.255 0.018 53);
    --archive-ink: oklch(0.9 0.022 77);
    --archive-muted: oklch(0.7 0.025 69);
    --archive-faint: oklch(0.48 0.026 60);
    --archive-line: oklch(0.43 0.035 63 / 0.68);
    --archive-gold: oklch(0.72 0.105 76);
    --archive-gold-soft: oklch(0.41 0.065 70);
    --archive-link: oklch(0.73 0.075 186);
    --archive-link-hover: oklch(0.84 0.07 184);
    background:
        radial-gradient(circle at 82% 18%, oklch(0.29 0.045 66 / 0.65), transparent 35rem),
        linear-gradient(145deg, oklch(0.22 0.02 55) 0%, var(--archive-bg) 66%, oklch(0.16 0.015 48) 100%);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .explorer-page {
        --archive-bg: oklch(0.19 0.018 52);
        --archive-paper: oklch(0.225 0.018 52);
        --archive-paper-strong: oklch(0.255 0.018 53);
        --archive-ink: oklch(0.9 0.022 77);
        --archive-muted: oklch(0.7 0.025 69);
        --archive-faint: oklch(0.48 0.026 60);
        --archive-line: oklch(0.43 0.035 63 / 0.68);
        --archive-gold: oklch(0.72 0.105 76);
        --archive-gold-soft: oklch(0.41 0.065 70);
        --archive-link: oklch(0.73 0.075 186);
        --archive-link-hover: oklch(0.84 0.07 184);
        background:
            radial-gradient(circle at 82% 18%, oklch(0.29 0.045 66 / 0.65), transparent 35rem),
            linear-gradient(145deg, oklch(0.22 0.02 55) 0%, var(--archive-bg) 66%, oklch(0.16 0.015 48) 100%);
    }
}

.explorer-page .site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 20;
    color: oklch(0.96 0.018 79);
    border-block-end: 1px solid transparent;
    background: linear-gradient(to bottom, oklch(0.12 0.02 45 / 0.7), transparent);
}

.explorer-page .site-header[data-scrolled="true"] {
    border-color: oklch(0.83 0.04 75 / 0.22);
    background: oklch(0.16 0.024 48 / 0.9);
    -webkit-backdrop-filter: blur(18px) saturate(115%);
    backdrop-filter: blur(18px) saturate(115%);
}

.explorer-page .brand,
.explorer-page .explorer-nav > a {
    color: inherit;
}

.explorer-page .brand__mark {
    color: oklch(0.84 0.1 79);
    border: 1px solid oklch(0.84 0.1 79 / 0.62);
    background: transparent;
}

.explorer-page .brand__name {
    font-family: var(--archive-display);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.015em;
}

.explorer-nav {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.explorer-nav > a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 0.77rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
}

.explorer-nav > a:hover {
    color: oklch(0.86 0.11 80);
}

.explorer-page .theme-toggle {
    color: inherit;
    border-color: oklch(0.9 0.02 80 / 0.35);
    background: oklch(0.14 0.015 45 / 0.24);
}

.explorer-hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    align-items: end;
    isolation: isolate;
    overflow: hidden;
    color: oklch(0.97 0.018 78);
    background: oklch(0.16 0.025 50);
}

.explorer-hero__image,
.explorer-hero__veil {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.explorer-hero__image {
    z-index: -2;
    object-fit: cover;
    object-position: center 42%;
    scale: 1.025;
}

.explorer-hero__veil {
    z-index: -1;
    background:
        linear-gradient(to right, oklch(0.11 0.025 47 / 0.82) 0%, oklch(0.11 0.02 47 / 0.52) 43%, transparent 74%),
        linear-gradient(to top, oklch(0.1 0.02 46 / 0.82) 0%, transparent 52%),
        linear-gradient(to bottom, oklch(0.1 0.02 46 / 0.25), transparent 35%);
}

.explorer-hero__content {
    position: relative;
    z-index: 1;
    padding-block: clamp(9rem, 20vh, 13rem) clamp(4rem, 10vh, 7.5rem);
}

.explorer-hero__label,
.archive-intro__index {
    margin: 0 0 1.25rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.explorer-hero__label {
    color: oklch(0.84 0.11 78);
}

.explorer-hero h1 {
    max-width: 10ch;
    margin: 0;
    font-family: var(--archive-display);
    font-size: clamp(4rem, 10vw, 8.7rem);
    font-weight: 500;
    line-height: 0.82;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.explorer-hero h1 span {
    display: block;
    margin-block-end: 0.15em;
    font-size: 0.52em;
    font-style: italic;
    letter-spacing: -0.035em;
}

.explorer-hero__lede {
    max-width: 38rem;
    margin: 1.8rem 0 0;
    color: oklch(0.91 0.02 78);
    font-family: var(--archive-display);
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.52;
    text-wrap: pretty;
}

.explorer-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-block-start: 2rem;
}

.archive-cta {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 0.75rem 1rem;
    color: oklch(0.96 0.018 78);
    border: 1px solid oklch(0.92 0.025 78 / 0.52);
    border-radius: 2px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.075em;
    text-decoration: none;
    text-transform: uppercase;
}

.archive-cta:hover {
    color: oklch(0.98 0.015 80);
    border-color: oklch(0.86 0.12 79);
}

.archive-cta--primary {
    color: oklch(0.2 0.025 52);
    border-color: oklch(0.86 0.11 79);
    background: oklch(0.86 0.11 79);
}

.archive-cta--primary:hover {
    color: oklch(0.17 0.02 50);
    background: oklch(0.91 0.09 82);
}

.archive-cta__arrow {
    font-size: 1rem;
    line-height: 1;
}

.explorer-progress {
    scroll-margin-top: 4rem;
    padding-block: clamp(4.5rem, 8vw, 7.5rem);
    color: var(--archive-ink);
    background:
        linear-gradient(90deg, transparent 49.9%, var(--archive-line) 50%, transparent 50.1%) top center / min(100% - 2rem, 76rem) 1px no-repeat,
        linear-gradient(145deg, var(--archive-paper-strong), var(--archive-bg));
}

.explorer-progress__header {
    display: grid;
    grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: start;
}

.explorer-progress__header .archive-intro__index {
    color: var(--archive-gold);
}

.explorer-progress__header h2 {
    max-width: 12ch;
    margin: 0;
    font-family: var(--archive-display);
    font-size: clamp(2.8rem, 7vw, 6.5rem);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.045em;
}

.explorer-progress__header div > p {
    max-width: 43rem;
    margin: 1.25rem 0 0;
    color: var(--archive-muted);
    font-family: var(--archive-display);
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
    line-height: 1.55;
}

.explorer-assessment {
    display: grid;
    grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 7rem);
    margin-block-start: clamp(3rem, 6vw, 5rem);
    padding-block: clamp(1.75rem, 3vw, 2.75rem);
    border-block: 1px solid var(--archive-line);
}

.explorer-assessment__date,
.explorer-assessment__method span {
    margin: 0;
    color: var(--archive-gold);
    font-size: 0.69rem;
    font-weight: 750;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.explorer-assessment h3 {
    max-width: 18ch;
    margin: 0.75rem 0 0;
    font: 500 clamp(1.8rem, 3.4vw, 3.4rem)/1.03 var(--archive-display);
    letter-spacing: -0.035em;
}

.explorer-assessment > div:last-child > p:first-child {
    max-width: 44rem;
    margin: 0;
    color: var(--archive-muted);
    font: 400 clamp(1.05rem, 1.7vw, 1.28rem)/1.55 var(--archive-display);
}

.explorer-assessment__method {
    display: grid;
    gap: 0.4rem;
    margin: 1.5rem 0;
    font-family: var(--archive-mono);
}

.explorer-assessment .explorer-progress__link {
    margin-block-start: 1.5rem;
}

.explorer-progress__summary {
    display: grid;
    grid-template-columns: minmax(10rem, 0.34fr) minmax(16rem, 1fr) minmax(13rem, 0.48fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: end;
    margin-block-start: clamp(3rem, 6vw, 5rem);
    padding-block: clamp(1.5rem, 3vw, 2.25rem);
    border-block: 1px solid var(--archive-line);
}

.explorer-progress__count {
    margin: 0;
}

.explorer-progress__count strong,
.explorer-progress__count span {
    display: block;
}

.explorer-progress__count strong {
    color: var(--archive-gold);
    font: 500 clamp(2.2rem, 5vw, 4.2rem)/0.95 var(--archive-display);
}

.explorer-progress__count span,
.explorer-progress__meter span,
.explorer-progress__current dt,
.explorer-progress__footer > div > p {
    color: var(--archive-muted);
    font-size: 0.69rem;
    font-weight: 750;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.explorer-progress__count span {
    margin-block-start: 0.55rem;
}

.explorer-progress__meter > div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: baseline;
    margin-block-end: 0.75rem;
}

.explorer-progress__meter strong {
    color: var(--archive-gold);
    font: 600 1rem/1 var(--archive-mono);
}

.explorer-progress__meter progress {
    width: 100%;
    height: 0.65rem;
    border: 0;
    border-radius: 0;
    background: var(--archive-line);
}

.explorer-progress__meter progress::-webkit-progress-bar {
    background: var(--archive-line);
}

.explorer-progress__meter progress::-webkit-progress-value {
    background: var(--archive-gold);
}

.explorer-progress__meter progress::-moz-progress-bar {
    background: var(--archive-gold);
}

.explorer-progress__current {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 0;
}

.explorer-progress__current div {
    min-width: 0;
}

.explorer-progress__current dt,
.explorer-progress__current dd {
    margin: 0;
}

.explorer-progress__current dd {
    margin-block-start: 0.45rem;
    font-family: var(--archive-display);
    font-size: 1.1rem;
    line-height: 1.25;
}

.explorer-progress__sweeps {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    margin: clamp(2.5rem, 5vw, 4rem) 0 0;
    padding: 0;
    border-block-start: 1px solid var(--archive-line);
    list-style: none;
}

.explorer-progress__sweeps li {
    min-width: 0;
    min-height: 7.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0.75rem;
    color: var(--archive-faint);
    border-inline-start: 1px solid var(--archive-line);
}

.explorer-progress__sweeps li:last-child {
    border-inline-end: 1px solid var(--archive-line);
}

.explorer-progress__sweeps li span {
    font: 500 0.66rem/1 var(--archive-mono);
}

.explorer-progress__sweeps li strong {
    overflow-wrap: anywhere;
    font-size: 0.67rem;
    line-height: 1.35;
    letter-spacing: 0.055em;
    text-transform: uppercase;
}

.explorer-progress__sweeps li.is-current {
    color: var(--archive-ink);
    background: linear-gradient(to bottom, var(--archive-gold-soft), transparent);
}

.explorer-progress__sweeps li.is-current span {
    color: var(--archive-gold);
}

.explorer-progress__footer,
.explorer-progress__unavailable {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-block-start: clamp(2rem, 4vw, 3.5rem);
}

.explorer-progress__footer > div > p {
    margin: 0 0 0.85rem;
}

.explorer-progress__footer ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 1.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.explorer-progress__footer li {
    color: var(--archive-muted);
    font-family: var(--archive-display);
    font-size: 1.05rem;
}

.explorer-progress__footer li::before {
    content: "○";
    margin-inline-end: 0.5rem;
    color: var(--archive-gold);
    font-family: var(--archive-mono);
}

.explorer-progress__link {
    min-height: 48px;
    display: inline-flex;
    flex: none;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.8rem 1rem;
    color: var(--archive-paper-strong);
    background: var(--archive-ink);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.07em;
    text-decoration: none;
    text-transform: uppercase;
}

.explorer-progress__link:hover {
    color: var(--archive-paper-strong);
    background: var(--archive-link-hover);
}

.explorer-progress__unavailable > p {
    margin: 0;
    color: var(--archive-muted);
}

.explorer-archive {
    scroll-margin-top: 4rem;
    padding-block: clamp(5rem, 9vw, 8rem);
    background:
        linear-gradient(90deg, transparent 49.9%, var(--archive-line) 50%, transparent 50.1%) top center / min(100% - 2rem, 76rem) 1px no-repeat,
        radial-gradient(circle at 12% 0%, var(--archive-gold-soft), transparent 25rem);
}

.archive-intro {
    display: grid;
    grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: start;
    margin-block-end: clamp(3rem, 7vw, 6rem);
}

.archive-intro__index {
    margin-block-start: 0.7rem;
    color: var(--archive-gold);
}

.archive-intro h2 {
    margin: 0;
    font-family: var(--archive-display);
    font-size: clamp(2.8rem, 7vw, 6.5rem);
    font-weight: 500;
    line-height: 0.95;
    letter-spacing: -0.045em;
}

.archive-intro div > p {
    max-width: 39rem;
    margin: 1.25rem 0 0;
    color: var(--archive-muted);
    font-family: var(--archive-display);
    font-size: clamp(1.05rem, 1.7vw, 1.28rem);
    line-height: 1.55;
}

.explorer-shell {
    display: grid;
    grid-template-columns: minmax(15rem, 0.34fr) minmax(0, 1fr);
    align-items: start;
    border-block: 1px solid var(--archive-line);
}

.explorer-sidebar {
    min-width: 0;
    padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 3vw, 3rem) clamp(3rem, 5vw, 5rem) 0;
    border-inline-end: 1px solid var(--archive-line);
}

.explorer-search label {
    display: block;
    margin-block-end: 0.75rem;
    color: var(--archive-muted);
    font-size: 0.73rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.explorer-search > div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    border-block-end: 1px solid var(--archive-ink);
}

.explorer-search input {
    min-width: 0;
    min-height: 48px;
    padding: 0.65rem 0.25rem;
    color: var(--archive-ink);
    border: 0;
    background: transparent;
    font: 500 1rem/1.2 var(--archive-ui);
}

.explorer-search input::placeholder {
    color: var(--archive-faint);
}

.explorer-search .btn {
    min-height: 44px;
    padding-inline: 0.65rem;
    color: var(--archive-link);
    border: 0;
    background: transparent;
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.explorer-index {
    margin-block-start: 2rem;
}

.explorer-index > summary,
.explorer-tree summary {
    cursor: pointer;
    list-style: none;
}

.explorer-index > summary::-webkit-details-marker,
.explorer-tree summary::-webkit-details-marker {
    display: none;
}

.explorer-index > summary {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--archive-muted);
    font-size: 0.69rem;
    font-weight: 700;
    letter-spacing: 0.105em;
    text-transform: uppercase;
}

.explorer-index > summary > span:last-child {
    font-family: var(--archive-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
}

.explorer-index > nav {
    max-height: min(63rem, calc(100svh - 10rem));
    overflow: auto;
    padding: 0.7rem 0.5rem 0 0;
    scrollbar-color: var(--archive-faint) transparent;
    scrollbar-width: thin;
}

.explorer-tree {
    margin: 0;
    padding: 0;
    list-style: none;
}

.explorer-tree .explorer-tree {
    margin-inline-start: 0.7rem;
    padding-inline-start: 0.75rem;
    border-inline-start: 1px solid var(--archive-line);
}

.explorer-tree summary {
    position: relative;
    min-height: 34px;
    display: grid;
    grid-template-columns: 1rem minmax(0, 1fr) auto;
    gap: 0.35rem;
    align-items: center;
    color: var(--archive-muted);
    font-size: 0.76rem;
    font-weight: 650;
}

.explorer-tree summary::before {
    content: "›";
    color: var(--archive-gold);
    font: 500 1.05rem/1 var(--archive-display);
    transform-origin: center;
}

.explorer-tree details[open] > summary::before {
    transform: rotate(90deg);
}

.explorer-tree summary > span:first-of-type {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.explorer-tree__count {
    color: var(--archive-faint);
    font: 500 0.64rem/1 var(--archive-mono);
}

.explorer-tree__file a {
    min-height: 34px;
    display: block;
    overflow: hidden;
    padding: 0.48rem 0.4rem 0.48rem 1.35rem;
    color: var(--archive-muted);
    font-family: var(--archive-mono);
    font-size: 0.68rem;
    line-height: 1.35;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.explorer-tree__file a > span {
    display: none;
}

.explorer-tree__file a:hover {
    color: var(--archive-link-hover);
}

.explorer-tree__file a[aria-current="page"] {
    color: var(--archive-ink);
    border-inline-start: 2px solid var(--archive-gold);
    background: linear-gradient(to right, var(--archive-gold-soft), transparent 78%);
}

.explorer-results {
    margin-block-start: 2rem;
}

.explorer-results__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-block-end: 0.75rem;
    border-block-end: 1px solid var(--archive-line);
}

.explorer-results h2 {
    margin: 0;
    font: 700 0.74rem/1.2 var(--archive-ui);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.explorer-results__head a,
.explorer-results li a {
    color: var(--archive-link);
    text-decoration: none;
}

.explorer-results__head a {
    font-size: 0.73rem;
}

.explorer-results > p {
    color: var(--archive-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.explorer-results ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.explorer-results li + li {
    border-block-start: 1px solid var(--archive-line);
}

.explorer-results li a {
    min-height: 44px;
    display: block;
    padding-block: 0.65rem;
    overflow-wrap: anywhere;
    font: 500 0.72rem/1.45 var(--archive-mono);
}

.explorer-results li a > span,
.explorer-results li a > small {
    display: block;
}

.explorer-results li a > small {
    margin-block-start: 0.35rem;
    color: var(--archive-muted);
    font: 400 0.72rem/1.45 var(--archive-ui);
}

.explorer-document {
    min-width: 0;
    padding: clamp(2rem, 5vw, 4.5rem) 0 clamp(4rem, 7vw, 7rem) clamp(2rem, 6vw, 6.5rem);
    scroll-margin-top: 6rem;
}

.explorer-document__header {
    margin-block-end: clamp(2.5rem, 5vw, 4.5rem);
    padding-block-end: 1.25rem;
    border-block-end: 1px solid var(--archive-line);
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.breadcrumbs li {
    color: var(--archive-muted);
    font: 550 0.68rem/1.5 var(--archive-mono);
    overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
    content: "/";
    margin-inline-end: 0.35rem;
    color: var(--archive-faint);
}

.breadcrumbs a,
.explorer-document__meta a {
    color: var(--archive-link);
    text-decoration: none;
}

.explorer-document__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 1.25rem;
    margin-block-start: 0.8rem;
    color: var(--archive-muted);
    font-size: 0.72rem;
}

.markdown-body {
    max-width: 70ch;
    color: var(--archive-ink);
    font-family: var(--archive-display);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    line-height: 1.72;
    overflow-wrap: anywhere;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    color: var(--archive-ink);
    font-family: var(--archive-display);
    font-weight: 600;
    line-height: 1.1;
    text-wrap: balance;
}

.markdown-body h1 {
    margin: 0 0 1.5rem;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    letter-spacing: -0.045em;
}

.markdown-body h2 {
    margin: 2.4em 0 0.75em;
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    letter-spacing: -0.03em;
}

.markdown-body h3 {
    margin: 2em 0 0.65em;
    font-size: clamp(1.4rem, 2.1vw, 1.85rem);
}

.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin: 1.8em 0 0.5em;
    font-size: 1.08rem;
}

.markdown-body p,
.markdown-body dd {
    margin-block: 0 1.15em;
}

.markdown-body ul,
.markdown-body ol {
    margin-block: 0 1.25em;
    padding-inline-start: 1.35em;
}

.markdown-body li + li {
    margin-block-start: 0.32em;
}

.markdown-body a {
    color: var(--archive-link);
    text-decoration-color: color-mix(in oklch, var(--archive-link), transparent 48%);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.16em;
}

.markdown-body a:hover {
    color: var(--archive-link-hover);
    text-decoration-color: currentColor;
}

.markdown-body blockquote {
    margin: 1.75rem 0;
    padding: 0.25rem 0 0.25rem 1.4rem;
    color: var(--archive-muted);
    border-inline-start: 3px solid var(--archive-gold);
    font-size: 1.08em;
    font-style: italic;
}

.markdown-body code {
    padding: 0.12em 0.3em;
    color: var(--archive-ink);
    background: var(--archive-gold-soft);
    font: 0.82em/1.4 var(--archive-mono);
}

.markdown-body pre {
    max-width: 100%;
    overflow: auto;
    margin: 1.5rem 0;
    padding: 1.15rem;
    color: var(--archive-ink);
    border-block: 1px solid var(--archive-line);
    background: var(--archive-paper-strong);
}

.markdown-body pre code {
    padding: 0;
    background: transparent;
}

.markdown-body hr {
    width: 4rem;
    margin: 3rem 0;
    border: 0;
    border-block-start: 2px solid var(--archive-gold);
}

.markdown-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--archive-ui);
    font-size: 0.82rem;
    line-height: 1.5;
}

.markdown-body th,
.markdown-body td {
    padding: 0.7rem 0.65rem;
    text-align: start;
    vertical-align: top;
    border-block-end: 1px solid var(--archive-line);
}

.markdown-body th {
    color: var(--archive-muted);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.markdown-metadata {
    margin: 1.5rem 0;
    border-block: 1px solid var(--archive-line);
    background: var(--archive-paper-strong);
}

.markdown-metadata summary {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding-inline: 0.9rem;
    cursor: pointer;
    color: var(--archive-muted);
    font-family: var(--archive-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.markdown-metadata pre {
    margin: 0;
    border-block-end: 0;
}

.markdown-unresolved {
    color: var(--archive-muted);
    text-decoration: underline dotted;
    text-underline-offset: 0.18em;
}

.explorer-error,
.explorer-empty {
    max-width: 48rem;
    padding-block: 2rem;
    border-block: 1px solid var(--archive-line);
}

.explorer-error h2,
.explorer-empty h2 {
    margin: 0;
    font: 600 clamp(1.7rem, 3vw, 2.5rem)/1.1 var(--archive-display);
}

.explorer-error p,
.explorer-empty p {
    margin: 0.75rem 0 0;
    color: var(--archive-muted);
    line-height: 1.6;
}

.explorer-page :where(a, button, input, summary):focus-visible {
    outline: 3px solid var(--archive-gold);
    outline-offset: 3px;
}

.explorer-page ::selection {
    color: oklch(0.2 0.025 52);
    background: oklch(0.85 0.11 79);
}

@media (prefers-reduced-motion: no-preference) {
    .explorer-page .site-header {
        transition: background-color 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
    }

    .explorer-hero__image {
        animation: archive-drift 20s ease-in-out infinite alternate;
    }

    .archive-cta,
    .archive-cta__arrow,
    .explorer-progress__link,
    .explorer-tree summary::before {
        transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, transform 180ms ease;
    }

    .archive-cta:hover .archive-cta__arrow {
        transform: translateY(0.2rem);
    }

    @keyframes archive-drift {
        from {
            transform: scale(1.025) translate3d(0, 0, 0);
        }

        to {
            transform: scale(1.065) translate3d(-0.45%, -0.35%, 0);
        }
    }
}

@media (max-width: 820px) {
    .explorer-page .brand__name {
        display: inline;
    }

    .explorer-nav > a:nth-child(2) {
        display: none;
    }

    .explorer-hero__image {
        object-position: 58% center;
    }

    .explorer-hero__veil {
        background:
            linear-gradient(to top, oklch(0.1 0.02 46 / 0.9) 0%, oklch(0.1 0.02 46 / 0.42) 62%, oklch(0.1 0.02 46 / 0.25) 100%),
            linear-gradient(to right, oklch(0.1 0.02 46 / 0.52), transparent 82%);
    }

    .archive-intro,
    .explorer-progress__header,
    .explorer-assessment,
    .explorer-shell {
        grid-template-columns: 1fr;
    }

    .archive-intro {
        gap: 0.75rem;
    }

    .explorer-progress__header {
        gap: 0.75rem;
    }

    .explorer-assessment {
        gap: 1.5rem;
    }

    .explorer-progress__summary {
        grid-template-columns: minmax(9rem, 0.4fr) minmax(0, 1fr);
    }

    .explorer-progress__current {
        grid-column: 1 / -1;
    }

    .explorer-progress__sweeps {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .explorer-sidebar {
        padding-inline-end: 0;
        border-inline-end: 0;
        border-block-end: 1px solid var(--archive-line);
    }

    .explorer-index > nav {
        max-height: 32rem;
    }

    .explorer-document {
        padding-inline-start: 0;
    }
}

@media (max-width: 520px) {
    .explorer-page .site-header__inner {
        min-height: 4.25rem;
    }

    .explorer-page .brand__name {
        max-width: 9rem;
        font-size: 0.9rem;
        line-height: 1.05;
    }

    .explorer-nav > a {
        display: none;
    }

    .explorer-hero__content {
        padding-block-end: 3rem;
    }

    .explorer-hero h1 {
        font-size: clamp(3.25rem, 17vw, 5.2rem);
    }

    .explorer-hero__lede {
        font-size: 1.02rem;
    }

    .explorer-hero__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .archive-cta {
        width: 100%;
    }

    .explorer-progress__summary {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .explorer-progress__current {
        grid-column: auto;
    }

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

    .explorer-progress__footer,
    .explorer-progress__unavailable {
        align-items: stretch;
        flex-direction: column;
    }

    .explorer-progress__link {
        width: 100%;
    }

    .explorer-search input {
        font-size: 1rem;
    }

    .explorer-document__meta {
        flex-direction: column;
    }
}

@media (forced-colors: active) {
    .explorer-hero__veil {
        background: Canvas;
        opacity: 0.82;
    }

    .archive-cta,
    .explorer-progress__sweeps li,
    .explorer-progress__link,
    .explorer-search > div,
    .explorer-shell,
    .explorer-sidebar,
    .explorer-document__header {
        border-color: CanvasText;
    }

    .archive-cta--primary,
    .explorer-tree__file a[aria-current="page"] {
        color: HighlightText;
        background: Highlight;
    }
}