/* Paper and ink. Furo still owns the responsive navigation and page layout. */

body[data-theme] {
    -webkit-font-smoothing: antialiased;
    --font-stack--heading: Georgia, 'Times New Roman', serif;
    --color-link: var(--color-foreground-primary);
    --color-link--hover: var(--color-foreground-primary);
    --color-link-underline: var(--color-foreground-primary);
    --color-link-underline--hover: var(--color-foreground-primary);
    --color-admonition-title: var(--color-foreground-primary);
    --color-admonition-title-background: var(--color-background-hover);
    --color-api-background: var(--color-background-hover);
    --color-api-background-hover: var(--color-background-hover);
    --color-api-name: var(--color-foreground-primary);
    --color-api-pre-name: var(--color-foreground-primary);
    --color-brand-visited: var(--color-foreground-primary);
    --color-highlight-on-target: var(--color-background-hover);
}

.content {
    line-height: 1.65;
}

.content h1,
.content h2,
.content h3 {
    color: var(--color-foreground-primary);
    font-family: var(--font-stack--heading);
    font-weight: 700;
    line-height: 1.25;
}

.content h1 {
    font-size: clamp(2.8rem, 6vw, 4rem);
    letter-spacing: -0.045em;
    margin-bottom: 1.4rem;
    padding-bottom: 0.45rem;
    border-bottom: 3px double var(--color-foreground-primary);
}

.content h2 {
    font-size: 1.8rem;
    letter-spacing: -0.02em;
    margin-top: 2.5rem;
}

.content h3 {
    font-size: 1.15rem;
    margin-top: 1.8rem;
}

.content a {
    text-underline-offset: 0.18em;
    text-decoration-thickness: 1px;
}

.content a:hover {
    text-decoration: underline;
    text-decoration-style: wavy;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
label:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--color-brand-primary);
    outline-offset: 3px;
}

.sidebar-brand-text {
    font-family: var(--font-stack--heading);
    font-size: 1.7rem;
    font-weight: 700;
}

.sidebar-brand.centered {
    text-align: left;
}

.sidebar-logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--sidebar-item-spacing-vertical) 0;
}

.sidebar-logo {
    display: block;
    margin: 0;
    width: 100%;
    max-width: none;
}

body[data-theme="dark"] .sidebar-logo {
    filter: invert(1);
}

@media (prefers-color-scheme: dark) {
    body:not([data-theme="light"]) .sidebar-logo {
        filter: invert(1);
    }
}

.sidebar-drawer {
    border-right: 1px dashed var(--color-foreground-primary);
}

.sidebar-search-container {
    border-top: 1px solid var(--color-foreground-primary);
    border-bottom: 1px solid var(--color-foreground-primary);
}

.sidebar-tree .current > .reference {
    text-decoration: underline;
    text-underline-offset: 0.25em;
}

.sidebar-tree .caption,
.toc-title,
.taktiny-doc-index p.rubric {
    font-family: 'Courier New', Courier, monospace;
}

.theme-toggle {
    border: 0;
    border-radius: 0;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0.25rem;
    margin: 0;
}

.content-icon-container {
    align-items: center;
    position: sticky;
    top: 1rem;
    z-index: 5;
    background: var(--color-background-primary);
    gap: 0.25rem;
}

.content-icon-container .view-this-page,
.content-icon-container .edit-this-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
}

.content-icon-container .view-this-page svg,
.content-icon-container .edit-this-page svg {
    display: block;
}

/* On phones Furo already keeps the theme control in its sticky header. */
@media (max-width: 63em) {
    .content-icon-container {
        position: static;
    }
}

.sidebar-tree .caption-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.content .taktiny-intro {
    color: var(--color-foreground-secondary);
    font-size: 1.1rem;
    max-width: 38rem;
    margin-bottom: 1.25rem;
}

.taktiny-intro > p:first-child {
    color: var(--color-foreground-primary);
    font-size: 1.35rem;
    line-height: 1.45;
    margin-top: 0;
    margin-bottom: 0.65rem;
}

.content .taktiny-project-note {
    border-left: 3px double var(--color-background-border);
    color: var(--color-foreground-secondary);
    font-size: 0.875rem;
    margin: 1.5rem 0 2.5rem;
    padding-left: 0.8rem;
}

.taktiny-doc-index .sd-col {
    min-width: 0;
}

.taktiny-doc-index p.rubric {
    border-top: 1px solid var(--color-background-border);
    color: var(--color-foreground-primary);
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 0;
    padding-top: 1rem;
}

.taktiny-doc-index p {
    color: var(--color-foreground-secondary);
    font-size: 0.925rem;
}

.taktiny-doc-index ul {
    list-style: none;
    padding-left: 0;
}

.taktiny-doc-index li {
    margin-bottom: 0.4rem;
}

/* Keep examples scrollable and API signatures readable on narrow screens. */
body[data-theme] div.highlight {
    border: 1px solid var(--color-background-border);
    border-radius: 2px 1px 3px 1px;
    box-shadow: 3px 3px 0 var(--color-background-primary),
                4px 4px 0 var(--color-foreground-primary);
    margin-bottom: 1.5rem;
    background: var(--color-code-background);
    color: var(--color-code-foreground);
}

/* Monochrome syntax retains bold/italic distinctions instead of token colors. */
.highlight pre,
.highlight span {
    color: inherit;
    background: transparent;
}

div.highlight pre {
    line-height: 1.6;
}

code.literal {
    border-radius: 4px;
}

dl.py > dt {
    border-radius: 2px;
    overflow-wrap: anywhere;
}

.admonition {
    border: 1px solid var(--color-foreground-primary);
    border-radius: 0;
    box-shadow: none;
    --color-admonition-title: var(--color-foreground-primary);
    --color-admonition-title-background: var(--color-background-hover);
}

.content .admonition {
    border-color: var(--color-foreground-primary);
}

.content .admonition > .admonition-title {
    background-color: var(--color-background-hover);
}

.content .admonition > .admonition-title::before {
    background-color: var(--color-foreground-primary);
}

/* Other pages can still use sphinx-design, without the landing-page effects. */
.sd-card {
    border: 1px solid var(--color-foreground-primary);
    border-radius: 0;
    box-shadow: none;
}

.sd-card-title {
    font-weight: 600;
}

.sd-tab-set > input:checked + label {
    color: var(--color-brand-content);
    border-color: var(--color-brand-content);
}

table.docutils th {
    font-weight: 600;
}

@media (max-width: 46em) {
    .content h2 {
        margin-top: 2rem;
    }

    .content .taktiny-intro {
        font-size: 1rem;
    }

    .taktiny-intro > p:first-child {
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .sidebar-drawer,
    .toc-drawer,
    .sd-card,
    .sd-tab-set > label {
        transition: none;
    }
}