/* SpatialData specification — theme customisation (sphinx-book-theme, built on pydata-sphinx-theme) */

html {
    --pst-color-primary: #1f6f8b;
    --pst-color-secondary: #b45309;
    --pst-color-link: #1f6f8b;
    --pst-color-link-hover: #b45309;
    --pst-font-size-base: 1rem;
    --sd-color-primary: #1f6f8b;
    --sd-color-secondary: #b45309;
}

html[data-theme="dark"] {
    --pst-color-primary: #5fb3cf;
    --pst-color-secondary: #f59e0b;
    --pst-color-link: #5fb3cf;
    --pst-color-link-hover: #f59e0b;
}

/* Announcement banner: keep it quiet */
.bd-header-announcement {
    font-size: 0.85rem;
    background: var(--pst-color-secondary-bg, #fff7ed);
}

/* Tables: compact, spec style */
table.table,
.bd-content table.docutils {
    font-size: 0.9rem;
}

.bd-content table.docutils th {
    background: var(--pst-color-surface);
    white-space: nowrap;
}

.bd-content table.docutils td code,
.bd-content table.docutils th code {
    white-space: nowrap;
}

/* Inline code: slightly tighter */
code.literal {
    padding: 0.05em 0.3em;
    font-size: 0.9em;
}

/* ASCII trees and JSON */
div.highlight pre {
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Custom admonitions ------------------------------------------------------ */

/* Non-normative implementation guidance: clearly "not the format" */
.admonition.implementation-note {
    border-color: var(--pst-color-secondary);
}
.admonition.implementation-note > .admonition-title {
    background-color: rgba(180, 83, 9, 0.12);
}
.admonition.implementation-note > .admonition-title::before {
    content: "\f0eb"; /* lightbulb */
    color: var(--pst-color-secondary);
}

/* Known divergence from NGFF */
.admonition.ngff-divergence {
    border-color: #7c3aed;
}
.admonition.ngff-divergence > .admonition-title {
    background-color: rgba(124, 58, 237, 0.12);
}
.admonition.ngff-divergence > .admonition-title::before {
    content: "\f126"; /* code-branch */
    color: #7c3aed;
}

/* Data model text included in the storage format (_ext/data_model_blocks.py) */
.bd-content div.data-model-text {
    /* a docutils "container" also gets Bootstrap's .container sizing; undo it */
    max-width: none;
    margin: 0 0 1rem;
    padding: 0 0 0 1rem;
    border-left: 3px solid var(--pst-color-primary);
}
.bd-content div.data-model-text::before {
    content: "Data model";
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--pst-color-primary);
    margin-bottom: 0.25rem;
}

/* Requirement-level keywords ------------------------------------------- */
.rfc {
    font-variant: small-caps;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Landing page cards */
.sd-card .sd-card-title {
    font-size: 1.1rem;
}
.sd-card-body p:last-child {
    margin-bottom: 0;
}

/* Field lists used for key/value metadata descriptions */
dl.field-list > dt {
    font-family: var(--pst-font-family-monospace);
    font-weight: 600;
    background: var(--pst-color-surface);
    padding: 0.1em 0.4em;
}

/* Version badges in headings */
h1 .sd-badge,
h2 .sd-badge {
    vertical-align: middle;
    font-size: 0.55em;
    margin-left: 0.5em;
}

/* Badges in dark mode: sphinx-design's "dark" and "light" colours vanish on a dark background */
html[data-theme="dark"] .sd-badge.sd-outline-dark {
    border-color: #9ca3af !important;
    color: #e5e7eb !important;
}

html[data-theme="dark"] .sd-badge.sd-bg-light {
    background-color: #374151 !important;
    color: #e5e7eb !important;
}

/* Permalinks on rubrics inside tabs (added by js/tab-permalinks.js) */
.sd-tab-content .rubric > a.headerlink {
    margin-left: 0.3em;
    visibility: hidden;
}
.sd-tab-content .rubric:hover > a.headerlink {
    visibility: visible;
}

/* Figures reused from the SpatialData tutorials: drawn for a light background */
figure.spec-figure img {
    background: #fff;
    border-radius: 0.25rem;
    padding: 0.5rem;
}

/* Logo: the SpatialData icon next to the site title ---------------------- */

.navbar-brand.logo {
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
}
.navbar-brand.logo img.logo__image {
    height: 2.5rem;
    width: auto;
    margin: 0;
}
.navbar-brand.logo .logo__title {
    text-align: left;
}

/* the same icon in front of the landing page heading */
h1:has(> img.heading-icon) {
    display: flex;
    align-items: center;
    gap: 0.5em;
}
h1 img.heading-icon {
    height: 2.4em;
    width: auto;
    flex-shrink: 0;
}

/* Footnotes at their references (_ext/footnote_previews.py) ----------------- */

/* on screen, each footnote shows on hover or keyboard focus of its reference, and the list of
   footnotes (with its "Notes" section and its entry in the page contents) is hidden; printing
   shows the list instead */
.footnote-anchor {
    position: relative;
}
.footnote-preview {
    display: none;
}
@media screen {
    hr.footnotes,
    aside.footnote-list,
    section.footnote-section,
    body:has(section.footnote-section#notes)
        .bd-toc
        li:has(> a[href="#notes"]) {
        display: none;
    }
    .footnote-anchor:hover > .footnote-preview,
    .footnote-anchor:focus-within > .footnote-preview {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 1000;
        width: max-content;
        max-width: min(28rem, calc(100vw - 2rem));
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
        font-weight: normal;
        line-height: 1.5;
        color: var(--pst-color-text-base);
        background: var(--pst-color-surface);
        border: 1px solid var(--pst-color-border);
        border-radius: 0.375rem;
        box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.15);
        white-space: normal;
    }
}

/* Versions in the main navigation (_ext/static_nav.py) ------------------------------ */

/* the versions below the entries of the abstract data model and the storage format: a line of
   text links, the selected one in the colour and weight of the current page */
.bd-sidenav li.spec-versions-row {
    padding-left: 1rem;
}
.bd-sidenav ul.spec-versions {
    display: flex;
    flex-wrap: wrap;
    column-gap: 0.6rem;
    list-style: none;
    margin: 0;
    padding: 0 !important;
}
.bd-sidenav ul.spec-versions a {
    padding: 0.15rem 0;
    color: var(--pst-color-text-muted);
}
.bd-sidenav ul.spec-versions li.selected a {
    color: var(--pst-color-primary);
    font-weight: 600;
}

/* Funding logos on the landing page ------------------------------------- */

.funding-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    margin: 1rem 0;
}

/* Icons, written into the pages as SVG by build.py (inline_icons) ---------- */

/* what Font Awesome's script would add, which the site no longer loads */
.svg-inline--fa {
    display: inline-block;
    box-sizing: content-box;
    height: 1em;
    overflow: visible;
    vertical-align: -0.125em;
}
.svg-inline--fa.fa-fw {
    width: 1.25em;
}
.svg-inline--fa.fa-lg {
    font-size: 1.25em;
    line-height: 0.05em;
    vertical-align: -0.2em;
}