/* Site identity; shared styles live in design-system.css. */
:root {
    --site-accent: #28c2ff;
    --site-accent-strong: #0369a1;
    --site-accent-soft: #7dd3fc;
}

/* A few original papers drift beside the astronaut; the header stays clear. */
.lab-mascot-papers {
    position: absolute;
    inset: 0 0 auto;
    height: 220px;
    overflow: hidden;
    pointer-events: none;
}

.lab-mascot-papers img {
    position: absolute;
    height: auto;
}

.lab-mascot-papers img:nth-child(1) {
    right: 0;
    top: 125px;
    width: 36px;
    transform: rotate(-20deg);
}

.lab-mascot-papers img:nth-child(2) {
    right: 8px;
    top: 72px;
    width: 28px;
    transform: rotate(18deg);
}

.lab-mascot-papers img:nth-child(3) {
    right: 36px;
    top: 26px;
    width: 22px;
    transform: rotate(-30deg);
}

/* =============================================================================
   Preview Banner
   ============================================================================= */

.md-banner:has(.lab-preview-banner) {
    position: relative;
    background-color: var(--color-orange);
    color: var(--color-black);
}

.md-banner:has(.lab-preview-banner) a {
    color: var(--color-black);
    text-decoration: underline;
}

.lab-preview-banner__headline {
    display: block;
    font-size: 1.05em;
}

/* Shared card surface; each component controls its own layout and spacing. */
.lab-guide-intro,
.lab-app-grid a,
.lab-contribute-box,
.lab-fame__card,
.lab-fame__join {
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 0.35rem;
    background: var(--md-code-bg-color);
}

/* =============================================================================
   Guide introduction cards
   ============================================================================= */

.lab-guide-intro {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    margin: 0.8rem 0 1.2rem;
    padding: 24px;
}

.lab-guide-intro__text,
.lab-guide-intro__meta,
.lab-guide-intro > .md-tags {
    position: relative;
    z-index: 1;
}

.lab-guide-intro__text h1 {
    margin: 0 0 0.6em;
}


.lab-guide-intro__text > :last-child,
.lab-guide-intro__meta > :last-child {
    margin-bottom: 0;
}

.lab-guide-intro__meta {
    margin-top: 1rem;
    font-size: 0.7rem;
    line-height: 1.6;
}

.md-typeset .lab-guide-intro__facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem 1.2rem;
    margin: 0;
    padding-top: 0.8rem;
    border-top: 1px solid var(--md-default-fg-color--lightest);
}

.md-typeset .lab-guide-intro__facts dt {
    margin: 0 0 0.2rem;
    font-size: 0.6rem;
    font-weight: 400;
}

.md-typeset .lab-guide-intro__facts dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.lab-guide-intro__tested {
    flex: 1 1 24rem;
    margin: 0;
}

.lab-guide-intro__bottom {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
    margin-top: 1rem;
}

.md-typeset .lab-guide-intro .lab-guide-intro__issue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.3rem 0.2rem;
    border: 0;
    border-radius: 0.3rem;
    background: transparent;
    color: var(--site-link-color);
    font-size: 0.65rem;
    font-weight: 400;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.lab-guide-intro__issue svg {
    width: 18px;
    height: 18px;
}

.md-typeset .lab-guide-intro .lab-guide-intro__issue:hover {
    text-decoration-thickness: 2px;
}

.md-typeset .lab-guide-intro a:focus-visible {
    outline: 2px solid var(--site-link-color);
    outline-offset: 3px;
}

.lab-guide-intro a:not(.md-tag) {
    color: var(--site-link-color);
    text-decoration: underline;
}

.lab-guide-intro > .md-tags {
    z-index: 2;
    margin: 0 0 0.8rem;
    gap: 0.35rem;
}

.md-typeset .lab-guide-intro .md-tag {
    padding: 0.15rem 0.45rem;
    border: 1px solid currentColor;
    border-radius: 0.3rem;
    background: transparent;
    color: var(--site-link-color);
    font-size: 0.6rem;
    font-weight: 400;
    line-height: 1.5;
}

.lab-guide-intro .md-tag:hover {
    background: var(--md-default-bg-color);
}

.lab-guide-intro__authors {
    overflow-wrap: anywhere;
}

.md-typeset .lab-guide-intro__logo {
    top: 0;
    bottom: auto;
    object-position: right top;
    width: 50%;
    height: 280px;
    max-width: 280px;
    max-height: 100%;
}

/* =============================================================================
   Landing pages
   ============================================================================= */

.lab-landing > h1 {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.lab-landing > h1 .headerlink {
    display: none;
}

.lab-landing :target {
    scroll-margin-top: 102px;
}

.md-typeset .grid.cards.lab-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    margin: 1rem 0;
}

@media screen and (min-width: 60em) {
    .md-typeset .grid.cards.lab-paths--topics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.md-typeset .grid.cards.lab-paths > ul > li {
    display: flex;
    flex-direction: column;
    padding: 0.8rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-top: 3px solid var(--site-accent);
    border-radius: 0.5rem;
    background: var(--md-code-bg-color);
    box-shadow: none;
}

.md-typeset .grid.cards.lab-paths > ul > li > p {
    margin: 0;
}

.md-typeset .grid.cards.lab-paths > ul > li > hr {
    margin: 0.6rem 0;
}

.md-typeset .grid.cards.lab-paths > ul > li > p:last-child {
    margin-top: auto;
    padding-top: 0.7rem;
}

.md-typeset .grid.cards.lab-paths .md-button {
    width: 100%;
    padding: 0.5em 0.8em;
    text-align: center;
    border-radius: 0.25rem;
    color: var(--site-link-color);
    border-color: var(--site-link-color);
}

.md-typeset .grid.cards.lab-paths .md-button:hover,
.md-typeset .grid.cards.lab-paths .md-button:focus-visible {
    color: var(--color-white);
    background-color: var(--site-accent-strong);
    border-color: var(--site-accent-strong);
}

.site-footer-palette {
    display: grid;
    justify-items: start;
    margin-top: 0.5rem;
}

.site-footer-palette label:not([hidden]) {
    display: flex;
    align-items: center;
    min-height: 44px;
    border-bottom: 2px solid transparent;
    cursor: pointer;
}

.site-footer-palette label[hidden] {
    display: none;
}

.site-footer-palette label:hover { color: var(--color-white); }

.site-footer-palette input:focus-visible + label {
    outline: 2px solid var(--site-accent-soft);
    outline-offset: 3px;
}

.md-typeset ul.lab-app-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.6rem;
    padding: 0;
    margin: 1rem 0 1.8rem;
    list-style: none;
}

.md-typeset ul.lab-app-grid > li {
    margin: 0;
    min-width: 0;
}

.lab-app-grid a {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    height: 100%;
    min-height: 3rem;
    padding: 0.65rem 0.8rem;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.lab-app-grid a:hover {
    border-color: var(--site-link-color);
}

.lab-app-card__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.lab-app-card__arrow {
    color: var(--md-default-fg-color--light);
    flex-shrink: 0;
}

.lab-app-card__introduction {
    margin-top: 0.6rem;
    color: var(--md-default-fg-color);
    font-size: 0.7rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Monochrome watermarks fade away from the text and blend into each theme. */
.lab-app-grid--illustrated a {
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.lab-app-grid .lab-app-card__logo,
.lab-guide-intro__logo {
    position: absolute;
    right: -0.6rem;
    object-fit: contain;
    transform: rotate(-8deg);
    filter: grayscale(1);
    mix-blend-mode: multiply;
    opacity: 0.06;
    mask-image: linear-gradient(135deg, transparent, #0008 40%, #000 80%);
    pointer-events: none;
    user-select: none;
}

.lab-app-grid .lab-app-card__logo {
    bottom: -0.6rem;
    width: 75%;
    height: 13rem;
    max-width: 13rem;
    max-height: 85%;
    object-position: right bottom;
}

[data-md-color-scheme$="-dark"] .lab-app-card__logo,
[data-md-color-scheme$="-dark"] .lab-guide-intro__logo {
    filter: grayscale(1) invert(1);
    mix-blend-mode: screen;
    opacity: 0.09;
}

.lab-app-grid--illustrated .lab-app-card__heading,
.lab-app-grid--illustrated .lab-app-card__introduction {
    position: relative;
    z-index: 1;
}

.lab-app-grid--illustrated .lab-app-card__heading {
    color: var(--md-default-fg-color--light);
}

.lab-guide-subsections {
    padding-left: 0.6rem;
}

/* Contribution instructions grouped into the Lab's standard card style. */
.lab-contribute-actions,
.lab-contribute-requirements {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.lab-contribute-box {
    min-width: 0;
    margin: 1rem 0;
    padding: 1.2rem;
}

.lab-contribute-actions .lab-contribute-box {
    margin: 0;
}

.lab-contribute-actions {
    margin: 1.2rem 0 1rem;
}

.lab-contribute-box > h2 {
    margin-top: 0;
    font-size: 1.1rem;
}

.lab-contribute-box > :last-child,
.lab-contribute-requirements > div > :last-child {
    margin-bottom: 0;
}

.lab-contribute-requirements {
    gap: 1.6rem;
}

.lab-contribute-requirements > div {
    min-width: 0;
}

.lab-contribute-writing {
    grid-column: 1 / -1;
}

.lab-contribute-requirements h3 {
    margin-top: 0;
    font-size: 0.85rem;
}

.lab-contributing a {
    color: var(--site-link-color);
}

.lab-contribute-conduct {
    background: transparent;
}

.md-typeset .lab-contribute-boilerplate {
    border: 1px solid var(--md-default-fg-color--lightest);
    background: var(--md-default-bg-color);
    box-shadow: none;
}

.md-typeset .lab-contribute-boilerplate > summary {
    background: transparent;
    color: var(--md-default-fg-color);
}

/* Hall of Fame uses the same restrained cards and typography as the Lab. */
.lab-fame__hero {
    margin-bottom: 1.2rem;
}

.lab-fame__hero h1 {
    margin-bottom: 0.8em;
}

.lab-fame__hero > p {
    max-width: 48rem;
}

.lab-fame__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.2rem;
    margin-top: 1rem;
    font-size: 0.7rem;
}

.lab-fame__stats > div {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.lab-fame__stats strong {
    font-weight: 600;
}

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

.lab-fame__card {
    min-width: 0;
    padding: 1.2rem;
}

.lab-fame__card h2 {
    margin: 0 0 0.6rem;
    font-size: 1rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.lab-fame__card h2 strong {
    font-weight: 400;
}

.lab-fame__card h2 a,
.lab-fame__guides a {
    color: var(--site-link-color);
}

.lab-fame__card h2 .headerlink {
    display: none;
}

.md-typeset .lab-fame__guides ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem 0.7rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.md-typeset .lab-fame__guides li {
    margin: 0;
}

.lab-fame__guides a {
    display: block;
    font-size: 0.7rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.lab-fame__guides a:hover,
.lab-fame__card h2 a:hover {
    text-decoration: underline;
}

.lab-fame__join {
    margin-top: 1rem;
    padding: 1.2rem;
}

.lab-fame__join h2 {
    margin-top: 0;
    font-size: 1.1rem;
}

.lab-fame__join > :last-child {
    margin-bottom: 0;
}

.lab-fame__join .md-button {
    border-color: var(--site-link-color);
    border-radius: 0.25rem;
    color: var(--site-link-color);
    font-size: 0.7rem;
}

.lab-fame__join .md-button:hover {
    background: var(--site-accent-strong);
    border-color: var(--site-accent-strong);
    color: white;
}

.lab-fame a:focus-visible {
    outline-color: var(--site-link-color);
}

/* Responsive layouts, grouped by breakpoint. */

@media screen and (max-width: 59.99em)  {

    .md-typeset .lab-guide-intro__facts,
    .lab-fame__grid,
    .md-typeset ul.lab-app-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lab-contribute-requirements {
        grid-template-columns: minmax(0, 1fr);
    }

}


@media screen and (min-width: 37.5em)  {

    .lab-guide-intro > .md-tags {
        float: right;
        max-width: 55%;
        margin: 0 0 0.6rem 1rem;
    }

    .lab-guide-intro__text h1 {
        overflow: hidden;
    }

    .lab-guide-intro__text > :not(h1) {
        clear: both;
    }
}


@media screen and (max-width: 37.5em)  {

    .lab-guide-intro {
        padding: 16px;
    }

    .md-typeset .lab-guide-intro__logo {
        height: 160px;
        max-width: 160px;
    }








    .lab-landing :target {
        scroll-margin-top: 66.5px;
    }

    .lab-fame__grid,
    .lab-contribute-actions,
    .md-typeset ul.lab-app-grid,
    .md-typeset .grid.cards.lab-paths {
        grid-template-columns: minmax(0, 1fr);
    }

    .lab-fame__card,
    .lab-fame__join,
    .lab-contribute-box {
        padding: 0.8rem;
    }

}


/* Keep tabs available and retain the mobile drawer's back control. */

@media screen and (max-width: 76.234375em) {
    .md-nav--primary .md-nav[data-md-level="1"] > .md-nav__title {
        font-size: 0;
    }
}