/* ==========================================================================
   README documentation

   Semantic Markdown and Org README presentation. Source-code colours remain in
   syntax-theme.css; this file owns prose layout and Org metadata styling.
   ========================================================================== */

.readme-document {
    max-width: 78ch;
    margin: 1.5rem auto;
    color: var(--color-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.65;
}

.readme-document .readme-heading {
    margin: 2.1rem 0 0.75rem;
    color: var(--color-text);
    font-family: inherit;
    line-height: 1.25;
    scroll-margin-top: calc(var(--nav-height) + var(--toolbar-height) + 1rem);
}

.readme-document > .readme-heading:first-child {
    margin-top: 0;
}

.readme-document h1.readme-heading {
    font-size: 2rem;
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 0.4rem;
}

.readme-document h2.readme-heading {
    font-size: 1.55rem;
}

.readme-document h3.readme-heading {
    font-size: 1.25rem;
}

.readme-document h4.readme-heading,
.readme-document h5.readme-heading,
.readme-document h6.readme-heading {
    font-size: 1rem;
}

.readme-heading-link {
    color: inherit;
    text-decoration: none;
}

.readme-heading-link:hover,
.readme-heading-link:focus-visible {
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.readme-paragraph {
    margin: 0.75rem 0;
}

.readme-list {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.readme-list li + li {
    margin-top: 0.3rem;
}

.readme-ordered-list {
    list-style: decimal;
}

.readme-definition-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 0.75rem;
    margin: 0.75rem 0;
    padding: 0;
}

.readme-definition-list dt {
    font-weight: 600;
    color: #fabd2f;
}

.readme-definition-list dd {
    margin: 0;
}

/* Org inline markup */
.readme-verbatim {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.88em;
    padding: 0.15em 0.35em;
    border-radius: 0.2rem;
    background-color: #2a2a2a;
    color: #d5c4a1;
}

.readme-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.88em;
    padding: 0.15em 0.35em;
    border-radius: 0.2rem;
    background-color: #2c2c2c;
    color: #93e0e3;
}

.readme-link {
    color: var(--color-link-hover);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.readme-link:hover {
    color: white;
}

/* Table of contents */
.toc {
    margin: 0.75rem 0 1.25rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: 0.35rem;
    background-color: #1e1e1e;
}

.toc-summary {
    cursor: pointer;
    list-style: none;
    padding: 0.6rem 1rem;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--color-muted);
    user-select: none;
}

.toc-summary::-webkit-details-marker {
    display: none;
}

.toc-summary::marker {
    content: "";
}

.toc-summary::before {
    content: "▸ ";
}

.toc[open] > .toc-summary::before {
    content: "▾ ";
}

.toc-list {
    margin: 0;
    padding: 0 1rem 0.6rem;
    list-style: none;
}

.toc-list .toc-list {
    padding: 0 0 0 1.2em;
}

.toc-list li {
    line-height: 1.7;
}

.toc-list li a {
    color: var(--color-link-hover);
    text-decoration: none;
}

.toc-list li a:hover {
    text-decoration: underline;
}

.readme-code-block {
    margin: 1rem 0;
    padding: 0.9rem 1rem;
    overflow-x: auto;
    border: 1px solid var(--color-border-subtle);
    border-radius: 0.25rem;
    background-color: #2c2c2c;
    color: #dcdccc;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    tab-size: 4;
}

.readme-code-block code {
    font-family: inherit;
}

/* Org mode metadata directives: #+TITLE, #+AUTHOR, #+DATE, and friends. */
.readme-org-metadata {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 0.75rem;
    margin: 0 0 1.5rem;
    padding: 0.75rem 1rem;
    border-left: 3px solid #83a598;
    background-color: #282828;
    color: var(--color-muted);
    font-size: 0.92rem;
}

.readme-org-metadata dt {
    color: #fabd2f;
    font-weight: 600;
}

.readme-org-metadata dd {
    margin: 0;
}

@media (max-width: 480px) {
    .readme-document {
        margin: 1rem 0;
        font-size: 0.98rem;
    }

    .readme-document h1.readme-heading {
        font-size: 1.65rem;
    }

    .readme-document h2.readme-heading {
        font-size: 1.35rem;
    }
}