:root {
    --page-background: #171b20;
    --page-gradient-center: #343c46;
    --page-gradient-midpoint: #303338;
    --surface-overlay: rgb(20 24 29 / 87%);
    --surface-form: rgb(23 27 32 / 20%);
    --surface-input: rgb(28 33 40 / 75%);
    --content-accent: #b8bcc2;
    --text-primary: #f5f1e8;
    --text-muted: #a6a9ad;
    --text-secondary: #c0c2c5;
    --text-placeholder: #a6a9ad;
    --action-color: #81b1cb;
    --navigation-accent: var(--action-color);
    --border-color: #9ebeb7;
    --border-subtle: var(--border-color);
    --focus-ring: var(--action-color);
    --article-surface: #fff;
    --article-text: #171b20;
    --article-accent: #555d66;
    --article-link: #91482d;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    background-color: var(--page-background);
    background-image: radial-gradient(ellipse at 50% 30%, var(--page-gradient-center) 0%, var(--page-gradient-midpoint) 40%, var(--page-background) 80%);
    background-repeat: no-repeat;
    color: var(--text-primary);
    font-family: "Segoe UI", sans-serif;
}

a {
    color: var(--action-color);
    text-decoration: none;
}

a:hover,
a:focus-visible {
    color: #71a6c3;
    text-decoration: none;
}

blockquote {
    border-left: 2px solid var(--content-accent);
    padding-left: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

hr {
    border: 0;
    margin: 2rem 0;
}

small {
    font-size: 0.7rem;
}

.app-shell {
    display: grid;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    display: flex;
    justify-content: center;
    align-self: start;
    position: sticky;
    top: 0;
    height: 100vh;
    background: transparent;
    padding-top: .75rem;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    align-self: flex-start;
    width: 100%;
    gap: .5rem;
    padding: .75rem .75rem 1.15rem .75rem;
    border-radius: 0 .85rem .85rem 0;
}

.sidebar-icon {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
}

.sidebar-logo {
    width: 1.75rem;
    height: auto;
    object-fit: contain;
}

.sidebar-llc {
    width: 1.9rem;
    height: auto;
}

.main-content {
    min-width: 0;
    background: transparent;
}

.site-footer {
    padding: 1.5rem clamp(1rem, 4vw, 3rem);
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.sidebar-brand,
.menu-button {
    color: var(--navigation-accent);
    border: 0;
    background: var(--surface-overlay);
}


.menu-button {
    position: fixed;
    z-index: 10;
    top: .75rem;
    right: 0;
    display: grid;
    width: 4rem;
    height: 3.5rem;
    padding: .5rem;
    place-items: center;
    border-radius: .85rem 0 0 .85rem;
    cursor: pointer;
}

.menu-button:focus-visible {
    outline: 2px solid var(--navigation-accent);
    outline-offset: -3px;
}

.menu-button img {
    display: block;
    width: 2.75rem;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 25rem);
    gap: clamp(3rem, 4vw, 9rem);
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    padding: clamp(2rem, 7vw, 8rem) clamp(2rem, 7vw, 8rem);
    place-items: center start;
    overflow: hidden;
}

@media (max-width: 1024px) {
    #home-hero {
        grid-template-columns: minmax(0, 1fr);
    }

    #home-hero-copy {
        width: 100%;
    }
}

.hero::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    /* background: url("../img/assets/cn2data-dark-background-full.svg") center / cover no-repeat; */
    content: "";
    opacity: 0.6;
}

.hero h1 {
    /* max-width: 10ch; */
    margin: 0;
    font-size: clamp(3rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 0.95;
}

.hero-copy p {
    max-width: 38rem;
    margin: 2rem 0 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.hero-copy {
    align-self: start;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
    gap: 1.5rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    padding: 1.5rem;
    border: 0;
    border-radius: 4px;
    background: var(--surface-overlay);
    color: var(--action-color);
    text-align: center;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.project-card:is(:hover, :focus-visible) {
    filter: grayscale(100%);
}

.project-card:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 4px;
}

.project-logomark {
    display: block;
    width: 4rem;
    height: 4rem;
    max-width: 100%;
    margin-inline: auto;
    object-fit: contain;
}

.project-card h2 {
    width: 100%;
    margin: .75rem 0 0;
    line-height: 1;
}

.project-wordmark {
    display: block;
    width: 7rem;
    max-width: 100%;
    height: 1.5rem;
    margin-inline: auto;
    object-fit: contain;
}

.hero-copy .project-card p {
    text-align: left;
    margin: 1rem 0 0;
    color: var(--text-primary);
    font-size: .75rem;
    line-height: 1.6;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .5rem .5rem;
    border: 0;
    border-radius: 4px;
    color: var(--action-color);
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-decoration: none;
    background: var(--surface-form);
    text-transform: uppercase;
}

.button:hover,
.button:focus-visible {
    background: var(--action-color);
    color: var(--page-background);
}

.button:focus-visible {
    outline: 2px solid var(--action-color);
    outline-offset: 3px;
}

.form {
    width: 100%;
    padding: clamp(1.75rem, 4vw, 2.75rem);
    border: 0;
    background: var(--surface-form);
    border-radius: 4px;
}

.form-eyebrow {
    margin: 0 0 1rem;
    color: var(--content-accent);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.form h2 {
    max-width: 12ch;
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.05;
}

.form-intro {
    margin: 1rem 0 2rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-field {
    margin-top: 1.25rem;
}

.form-field label {
    display: block;
    margin-bottom: .55rem;
    color: var(--content-accent);
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: .85rem 1rem;
    border: 0;
    border-radius: 4px;
    background: var(--surface-overlay);
    color: var(--text-primary);
    font: inherit;
}

.form-field textarea {
    min-height: 7rem;
    resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--text-placeholder);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.form-submit {
    display: block;
    width: fit-content;
    max-width: 100%;
    margin-inline: auto;
    margin-top: 2rem;
    text-align: center;
    padding: 1rem;
    border: 0;
    border-radius: 4px;
    background: var(--surface-overlay);
    color: var(--action-color);
    font: inherit;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    cursor: pointer;
}

.form-submit:hover,
.form-submit:focus-visible {
    background: var(--action-color);
    color: var(--page-background);
}

.form-submit:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}

@media (max-width: 640px) {
    .app-shell {
        grid-template-columns: 4rem minmax(0, 1fr);
    }

    .sidebar-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .sidebar-logo {
        width: 1.25rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding-top: 6rem;
    }

    .sidebar-llc {
        width: 1.4rem;
    }
}
/* Shared allauth layouts retain the package's translated forms and validation. */
.account-section {
    width: min(100%, 46rem);
    margin-inline: auto;
    padding: 5rem clamp(1rem, 4vw, 3rem) 3rem;
}

.account-navigation {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.account-section a {
    color: var(--action-color);
    overflow-wrap: anywhere;
}

.account-panel {
    overflow-wrap: anywhere;
}

.account-panel h1 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-top: 0;
}

.account-panel p,
.account-panel li {
    line-height: 1.6;
}

.account-panel label {
    display: block;
    margin-bottom: .55rem;
    color: var(--action-color);
    font-weight: 700;
}

.account-panel input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) {
    width: 100%;
    padding: .85rem 1rem;
    border: 0;
    border-radius: 4px;
    background: var(--page-background);
    color: var(--text-primary);
    font: inherit;
}

.account-panel input[type="checkbox"],
.account-panel input[type="radio"] {
    accent-color: var(--action-color);
}

.account-panel button {
    max-width: 100%;
    margin-block: .5rem;
    padding: .85rem 1rem;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--action-color);
    font: inherit;
    cursor: pointer;
}

.account-panel button:hover,
.account-panel button:focus-visible {
    background: var(--action-color);
    color: var(--page-background);
}

.account-panel button:disabled {
    opacity: .5;
    cursor: not-allowed;
}

.account-section :focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}

.account-panel .errorlist {
    padding-inline-start: 1.5rem;
}

.site-messages {
    margin: 4rem 1rem 1rem;
    padding: 1rem 2rem;
    border: 0;
    border-radius: 4px;
}

/* Article surface roles are documented in the UI documentation. */
.standard-page {
    width: min(100%, 64rem);
    margin-inline: auto;
    padding: clamp(5rem, 8vw, 8rem) clamp(1rem, 4vw, 3rem) 4rem;
    overflow-wrap: anywhere;
}

.article-header {
    margin-bottom: 2rem;
}

.article-header h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.12;
}

.article-body {
    padding: clamp(1.25rem, 4vw, 3rem);
    border-radius: 4px;
    background: var(--article-surface);
    color: var(--article-text);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.article-body > :first-child { margin-top: 0; }
.article-body > :last-child { margin-bottom: 0; }
.article-body :is(h1, h2, h3, h4, h5, h6) {
    margin-block: 2rem 1rem;
    line-height: 1.3;
    color: var(--article-accent);
}
.article-body :is(ul, ol) { padding-inline-start: 1.5rem; }
.article-body li + li { margin-top: .4rem; }
.article-body a { color: var(--action-color); text-underline-offset: .2em; }
.article-body a:hover { text-decoration: none; }
.article-body blockquote {
    margin-inline: 0;
    padding-inline-start: 1.25rem;
}
.article-body img { max-width: 100%; height: auto; }
.article-body pre {
    max-width: 100%;
    overflow-x: auto;
    padding: 1rem;
    border-radius: 4px;
    background: var(--page-background);
    color: var(--text-primary);
}
.article-body code { font-size: .9em; overflow-wrap: anywhere; }
.article-body pre code { overflow-wrap: normal; }
.article-body table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
}

.article-body table {
    margin-top: 1rem;
}

.article-body :is(th, td) {
    padding: .65rem 1rem;
    text-align: start;
    overflow-wrap: normal;
    word-break: normal;
    hyphens: manual;
}
.article-body :is(th, td) * {
    overflow-wrap: normal;
    word-break: normal;
    hyphens: manual;
}
.article-body th {
    color: var(--article-accent);
}
.standard-page :focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}
.reference-index {
    margin-top: 3rem;
    padding-top: 1.5rem;
}
.reference-index h2 { margin-top: 0; }
.reference-folder { margin-top: 1.5rem; }
.reference-folder :is(h3, h4, h5, h6) {
    margin-block: 0 .5rem;
    color: var(--content-accent);
}
.reference-folder .reference-folder { margin-inline-start: 1rem; }
.reference-index p { line-height: 1.7; }
.reference-index ul {
    display: grid;
    gap: .5rem;
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
}
.reference-index a {
    display: inline-block;
    padding-block: .5rem;
    color: var(--action-color);
    text-underline-offset: .25em;
    line-height: 1.5;
}
.reference-index a:hover { color: #71a6c3; text-decoration: none; }

.control-panel-card a {
    color: var(--action-color);
    text-underline-offset: .25em;
    overflow-wrap: anywhere;
}

.control-panel {
    padding-top: clamp(2rem, 5vw, 4rem);
}

.control-panel-intro {
    max-width: 42rem;
    margin-block: 1.25rem 1.5rem;
    line-height: 1.7;
}

.control-panel-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
}

.control-panel-card {
    min-width: 0;
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 0;
    border-radius: 4px;
    background: var(--surface-form);
}

.control-panel-tabs:not([hidden]) {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.control-panel-tabs .button {
    font-family: inherit;
    overflow-wrap: anywhere;
    max-width: 100%;
    cursor: pointer;
}

.control-panel-tabs .button[aria-selected="true"] {
    background: var(--action-color);
    color: var(--page-background);
}

.control-panel-card[role="tabpanel"]:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
}

.control-panel-card h2 {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.3;
}

.control-panel-card p {
    margin-block: 1rem;
    line-height: 1.7;
}

.control-panel-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.control-panel-card a {
    display: inline-block;
    padding-block: .65rem;
    line-height: 1.5;
}

.control-panel-card a:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.sidebar-home {
    display: inline-flex;
    border-radius: 4px;
}

.sidebar-home:focus-visible {
    outline: 2px solid var(--navigation-accent);
    outline-offset: 3px;
}



.menu-button-panel {
    top: 4.75rem;
    color: var(--navigation-accent);
}

.menu-button-panel img {
    width: 2rem;
    height: 2rem;
}

.sidebar-home:is(:hover, :focus-visible) .sidebar-icon {
    content: url("../img/CN2_logomark-hover.a15b89b81c8a.svg");
}

.menu-button:is(:hover, :focus-visible) img {
    content: url("../img/login-hover.82db3989a713.svg");
}

.menu-button-logout:is(:hover, :focus-visible) img {
    content: url("../img/logout-hover.716358e7bccf.svg");
}

.menu-button-panel:is(:hover, :focus-visible) img {
    content: url("../img/gear-hover.a24b63b22f9f.svg");
}

/* Markdown features adapted from KontextOS. */
.article-body { display: flow-root; }
.article-body .checklist-paragraph { display: flex; gap: .6rem; align-items: baseline; }
.article-body .component-inline-image--right { float: right; width: min(40%, 22rem); margin: 0 0 1rem 1rem; }
.article-body .component-inline-image--full-width { display: block; width: 100%; }
.article-body .markdown-diagram { overflow-x: auto; margin-block: 1rem; }
.markdown-modal { max-width: min(42rem, 90vw); max-height: 85vh; overflow: auto; border: 0; border-radius: 4px; padding: 1.5rem; background: var(--article-surface); color: var(--article-text); }
.markdown-modal::backdrop { background: var(--page-background); opacity: .8; }
.article-body :is(.markdown-modal-link, [data-markdown-close]) { font: inherit; cursor: pointer; border: 0; border-radius: 4px; padding: .35rem .65rem; background: var(--article-surface); color: var(--article-link); }
.article-body :focus-visible { outline: 2px solid var(--article-link); outline-offset: 3px; }
@media (max-width: 640px) {
    .article-body .component-inline-image--right { float: none; display: block; width: 100%; margin: 1rem 0; }
}