/* fractum: a terminal-style theme. Colours, font, width and the heading prefix come from the
   theme settings as custom properties (set in base.html); everything else is here. */
:root {
  --accent: #de7aeb;
  --bg: #222129;
  --fg: #ffffff;
  --font: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --page-width: 95%;
  --heading-prefix: "// ";
  --dim: color-mix(in srgb, var(--fg) 10%, transparent);
  --muted: color-mix(in srgb, var(--fg) 60%, var(--bg));
  --accent-dim: color-mix(in srgb, var(--accent) 70%, var(--bg));
  --step: 0.25rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); color: var(--fg); font-family: var(--font); font-size: 1rem; line-height: 1.5; letter-spacing: -0.02em; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { margin: 0; }
::selection { background: var(--accent); color: var(--bg); }

.frame { max-width: var(--page-width); margin: 0 auto; padding: 20px; min-height: 100vh; display: flex; flex-direction: column; }
.frame--lines { border-left: 1px solid var(--dim); border-right: 1px solid var(--dim); }
.content { flex: 1; }

/* Links */
a { color: var(--accent); text-decoration: none; transition: color 0.2s ease-out; }
a:hover, a:focus-visible { color: var(--fg); text-decoration: underline; text-decoration-thickness: 0.02em; text-underline-offset: 0.15em; outline: none; }

/* Header: the title as a filled label, then a barcode rule to the edge */
.site-header { margin-bottom: calc(var(--step) * 6); }
.site-brand { display: flex; align-items: center; margin-bottom: calc(var(--step) * 4); }
.site-title { font-weight: 700; font-size: 1.25rem; color: var(--accent); }
.site-brand--label .site-title { flex: none; max-width: 100%; display: flex; align-items: center; min-height: 34px; padding: 5px 10px; background: var(--accent); color: var(--bg); font-size: 1rem; font-weight: 400; }
.site-brand--label .site-title:hover, .site-brand--label .site-title:focus-visible { color: var(--bg); text-decoration: none; }
.site-brand--label::after { content: ""; flex: 1; align-self: stretch; min-height: 34px; margin-left: 10px; background: repeating-linear-gradient(90deg, var(--accent), var(--accent) 2px, transparent 2px, transparent 10px); }
.site-tagline { margin: 0 0 calc(var(--step) * 4); color: var(--muted); }

/* Menu, with drop-downs that open on hover or keyboard focus (no JavaScript) */
.menu, .submenu { list-style: none; margin: 0; padding: 0; }
.menu { display: flex; flex-wrap: wrap; gap: calc(var(--step) * 2.5) 1.25rem; }
.menu > li { position: relative; }
.menu a { color: var(--fg); text-decoration: underline; text-decoration-thickness: 0.02em; text-underline-offset: 0.15em; }
.menu a:hover, .menu a:focus-visible { color: var(--accent); }
.menu-group { outline: none; }
.menu-group__label { color: var(--accent); cursor: default; padding-right: 1.1rem; position: relative; }
.menu-group__label::after { content: ""; position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%); border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--accent); }
.submenu { position: absolute; left: 0; top: 100%; z-index: 10; margin-top: calc(var(--step) * 2); padding: 10px; background: var(--bg); border: 2px solid var(--accent); white-space: nowrap; box-shadow: 0 10px color-mix(in srgb, var(--bg) 80%, transparent), -10px 10px color-mix(in srgb, var(--bg) 80%, transparent), 10px 10px color-mix(in srgb, var(--bg) 80%, transparent); visibility: hidden; opacity: 0; transform: scale(0.9); transform-origin: 0 0; transition: opacity 0.15s, transform 0.2s, visibility 0.2s; }
.submenu::before { content: ""; position: absolute; left: 0; right: 0; top: calc(var(--step) * -3); height: calc(var(--step) * 3); }
.submenu li a { display: block; padding: calc(var(--step) * 2); }
.menu-group:hover > .submenu, .menu-group:focus-within > .submenu { visibility: visible; opacity: 1; transform: scale(1); }
@media (max-width: 42.6875em) {
  .menu { flex-direction: column; gap: calc(var(--step) * 2); }
  .submenu { position: static; visibility: visible; opacity: 1; transform: none; border: none; box-shadow: none; padding: calc(var(--step) * 1) 0 0 1rem; margin: 0; background: none; }
  .submenu li a { padding: calc(var(--step) * 1) 0; }
  .menu-group__label::after { display: none; }
}

/* Headings: section headings carry the prefix; titles carry the dotted rule */
h1, h2, h3, h4, h5, h6 { color: var(--fg); line-height: 1.3; letter-spacing: -0.02em; margin: calc(var(--step) * 10) 0 calc(var(--step) * 4); }
h1 { font-size: 1.47rem; }
h2 { font-size: 1.38rem; }
h3 { font-size: 1.29rem; }
h4, h5, h6 { font-size: 1.1rem; }
.post-body h2::before, .page-body h2::before, .term-body h2::before, .content > h2::before { content: var(--heading-prefix); color: var(--accent); }
.post-body h3::before, .page-body h3::before, .term-body h3::before { content: var(--heading-prefix); color: var(--accent-dim); }

.entry__title, .page-title, .term__title { position: relative; margin: 0 0 calc(var(--step) * 4); padding-bottom: calc(var(--step) * 4); color: var(--accent); border-bottom: 3px dotted var(--accent); font-size: 1.47rem; }
.entry__title::after, .page-title::after, .term__title::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; border-bottom: 3px dotted var(--accent); }
.entry__title a { color: inherit; text-decoration: none; }
.entry__title a:hover, .entry__title a:focus-visible { color: var(--fg); }

.entry__meta { margin: 0 0 calc(var(--step) * 2.5); color: var(--accent-dim); }
.entry__meta > * + *::before { content: "::"; margin: 0 calc(var(--step) * 2); }
.entry__tags { margin: 0 0 calc(var(--step) * 2); }
.entry__tags a { color: var(--muted); }
.entry__tags a:hover, .entry__tags a:focus-visible { color: var(--accent); }

/* Post lists */
.entries { display: flex; flex-direction: column; }
.entry { padding: calc(var(--step) * 5) 0; margin: calc(var(--step) * 5) 0; }
.entry:not(:last-child) { border-bottom: 1px solid var(--dim); }
.entry__summary { margin: calc(var(--step) * 6) 0 calc(var(--step) * 4); }
.read-more { display: inline-flex; font-weight: 700; margin: calc(var(--step) * 2) 0 0; }
.entries--series { counter-reset: part; }
.entries--series .entry__title a::before { counter-increment: part; content: counter(part) ". "; }

/* Framed boxes (the welcome text) */
.framed { border: 1px solid var(--accent); padding: calc(var(--step) * 5); margin-bottom: calc(var(--step) * 6); }
.framed > :first-child { margin-top: 0; }
.framed > :last-child { margin-bottom: 0; }

/* Body text */
.post-body, .page-body, .term-body { margin-top: calc(var(--step) * 8); }
p { margin: 0 0 calc(var(--step) * 5); }
img { max-width: 100%; height: auto; }
figure { margin: calc(var(--step) * 8) 0; }
figure.featured { border: 10px solid var(--accent); padding: calc(var(--step) * 2.5); }
figcaption { color: var(--muted); font-size: 0.9rem; margin-top: calc(var(--step) * 2); }
.post-body ul, .page-body ul, .term-body ul { list-style: none; padding-left: 1.5rem; }
.post-body ul > li, .page-body ul > li, .term-body ul > li { position: relative; }
.post-body ul > li::before, .page-body ul > li::before, .term-body ul > li::before { content: "-"; color: var(--accent); position: absolute; left: -1.25rem; }
.post-body ul.contains-task-list > li::before, .page-body ul.contains-task-list > li::before { content: none; }
ol li::marker { color: var(--accent); }
blockquote { position: relative; margin: calc(var(--step) * 8) 0; padding: calc(var(--step) * 6); border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent); }
blockquote::before { content: ">"; position: absolute; left: 0; color: var(--accent); }
blockquote > :first-child { margin-top: 0; }
blockquote > :last-child { margin-bottom: 0; }
code, kbd { font-family: var(--font); font-size: 0.94rem; background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent); padding: 1px 6px; margin: 0 2px; }
pre { border: 1px solid var(--dim); color: var(--accent); padding: calc(var(--step) * 5); font-size: 0.94rem; overflow: auto; white-space: pre-wrap; overflow-wrap: break-word; margin: calc(var(--step) * 6) 0 calc(var(--step) * 7); }
pre > code { background: none; color: inherit; padding: 0; margin: 0; font-size: inherit; }
hr { border: none; border-top: 1px solid var(--dim); margin: calc(var(--step) * 8) 0; }
table { border-collapse: collapse; width: 100%; margin: calc(var(--step) * 6) 0; }
th, td { border: 1px solid var(--dim); padding: 0.4rem 0.6rem; text-align: left; vertical-align: top; }
th { color: var(--accent); }
.footnotes { font-size: 0.9rem; border-top: 1px solid var(--dim); margin-top: calc(var(--step) * 8); }
.task-list-item { list-style: none; }
.cistercian { vertical-align: -0.35em; }

/* Post footer, pagination, archives */
.post-series { color: var(--muted); }
.pagination { margin-top: calc(var(--step) * 12); }
.buttons { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; padding: calc(var(--step) * 2) calc(var(--step) * 5); border: 1px solid var(--accent); border-radius: 5px; background: var(--accent); color: var(--bg); font-weight: 700; text-decoration: none; transition: opacity 0.2s ease-out; }
.btn:hover, .btn:focus-visible { color: var(--bg); text-decoration: none; opacity: 0.8; }
.post-nav .btn { max-width: 49%; }
.btn__text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.divider-title { position: relative; margin: calc(var(--step) * 25) 0 calc(var(--step) * 6); text-align: center; text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.77rem; color: color-mix(in srgb, var(--fg) 30%, var(--bg)); }
.divider-title::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px solid var(--dim); z-index: 0; }
.divider-title > span { position: relative; z-index: 1; background: var(--bg); padding: 5px 10px; }
.post-updated { margin-top: calc(var(--step) * 5); font-size: 0.88rem; color: color-mix(in srgb, var(--fg) 50%, var(--bg)); }

/* Footer */
.site-footer { padding: calc(var(--step) * 10) 0; text-align: center; color: color-mix(in srgb, var(--fg) 50%, var(--bg)); }
.site-footer p { margin: 0 0 calc(var(--step) * 2); }
.social { list-style: none; padding: 0; margin: 0 0 calc(var(--step) * 2); display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }

/* Single posts and pages, term pages: room above the title, as on the original site */
.post > header > .entry__title, .page > header > .page-title, article > .page-title, .term-header, .term > .term__title, section.terms, .not-found { margin-top: calc(var(--step) * 16); }
.post-body img, .page-body img { display: block; margin-left: auto; margin-right: auto; }

/* Tag, author and index headings */
.term-header__title { margin: 0; color: var(--fg); font-size: 1.38rem; }
sup { font-size: 65%; }
.term-header__title sup, .term-list sup { color: color-mix(in srgb, var(--fg) 70%, var(--bg)); font-weight: 400; }
.term-description { margin: calc(var(--step) * 1) 0 0; }
.term-header + .entries { margin-top: calc(var(--step) * 10); }
.term-header--author { padding: calc(var(--step) * 7.5); background: color-mix(in srgb, var(--fg) 5%, transparent); }
.term-header__top { display: flex; align-items: center; gap: 1rem; }
.term-header__avatar { width: 3rem; height: 3rem; border-radius: 50%; object-fit: cover; }
.term-website { margin: calc(var(--step) * 5) 0 0; }
.term-list { list-style: none; margin: calc(var(--step) * 10) 0 0; padding-left: 1.25rem; }
.term-list > li { position: relative; }
.term-list > li::before { content: "-"; position: absolute; left: -1.25rem; color: var(--accent); }
.not-found__code { margin-bottom: calc(var(--step) * 5); color: var(--accent); }
.not-found__title { font-size: 1.15rem; }

/* Phone-sized screens: the menu opens from a "Menu" button (shown only when JavaScript runs) */
.menu-toggle { display: none; order: 2; flex: none; margin-left: 10px; padding: 7px 12px; border: 2px solid var(--accent); background: var(--bg); color: var(--accent); font: inherit; font-weight: 700; line-height: 1; cursor: pointer; }
.site-brand--label::after { order: 1; }
@media (min-width: 42.75em) {
  .frame { padding: 40px; }
}
@media (max-width: 42.6875em) {
  .submenu { white-space: normal; }
  .js .menu-toggle { display: block; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: block; position: fixed; inset: 4.4rem 0 0 0; z-index: 1001; overflow: auto; padding: 24px; background: var(--bg); text-align: center; }
  .js .site-nav.is-open .menu { align-items: center; }
  .js .site-nav.is-open .submenu { padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .submenu, a { transition: none; }
}
.entry__meta a { color: inherit; }
.entry__meta a:hover, .entry__meta a:focus-visible { color: var(--accent); }