/* The documentation pages, on top of style.css. */

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
}

.docs .wrap, .masthead .wrap { max-width: 90rem; }

.brand-docs {
  margin-left: 0.15rem;
  color: var(--brew-deep);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
}

/* Small buttons in the bar get a finer frame. */
.search-button, .menu-button {
  --px: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 0.15rem;
  line-height: 1.4;
  border: calc(5 * var(--px)) solid transparent;
  border-image: url("/assets/frames/pale.svg") 5 fill / calc(5 * var(--px));
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.search-button kbd {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.menu-button { display: none; }

@media (prefers-color-scheme: dark) {
  .search-button, .menu-button {
    border-image-source: url("/assets/frames/dusk-dark.svg");
  }
}

/* Three columns */

.docs {
  display: grid;
  grid-template-columns: 16rem minmax(0, 50rem) 9rem;
  justify-content: center;
  gap: 2rem;
  max-width: 90rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.docs-sidebar, .docs-toc {
  position: sticky;
  top: 4rem;
  align-self: start;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  padding: 2rem 0 3rem;
}

.docs-sidebar { border-right: 1px solid var(--rule); padding-right: 1.5rem; }

.sidebar-group + .sidebar-group { margin-top: 1.75rem; }

.sidebar-group h2, .docs-toc h2 {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.docs-sidebar ul, .docs-toc ul { list-style: none; margin: 0; padding: 0; }

.docs-sidebar a {
  position: relative;
  display: block;
  padding: 0.3rem 0 0.3rem 1rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.docs-sidebar a:hover { color: var(--link); }

/* The current page is marked with a green pixel. */
.docs-sidebar a[aria-current="page"] { color: var(--link); font-weight: 700; }

.docs-sidebar a[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - var(--px));
  width: calc(2 * var(--px));
  height: calc(2 * var(--px));
  background: var(--brew-deep);
}

/* Only the sections: their subsections would make the column long. */
.docs-toc ul ul { display: none; }

.docs-toc a {
  display: block;
  padding: 0.2rem 0;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  line-height: 1.35;
}

.docs-toc h2 { font-size: 0.68rem; }

.docs-toc a:hover, .docs-toc a[aria-current="true"] { color: var(--ink); }

.docs-toc a[aria-current="true"] { font-weight: 700; }

/* The page */

.docs-main { padding: 2.5rem 0 4rem; min-width: 0; }

.docs-section {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--brew-deep);
}

.docs-main h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.025em;
}

.docs-lede {
  margin: 1rem 0 0;
  font-size: 1.15rem;
  color: var(--muted);
}

.toc-mobile { display: none; }

.prose { margin-top: 2rem; }

.prose > * + * { margin-top: 1.1rem; }

.prose p, .prose li { color: var(--ink); }

.prose h2 {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 1.6rem;
}

.prose h3 { margin-top: 2.25rem; font-size: 1.2rem; }

.prose h2, .prose h3 { position: relative; scroll-margin-top: 5rem; }

.anchor {
  margin-left: 0.4rem;
  color: var(--rule);
  font-weight: 400;
  text-decoration: none;
  opacity: 0;
}

.prose h2:hover .anchor, .prose h3:hover .anchor, .anchor:focus { opacity: 1; }

.prose ul, .prose ol { padding-left: 1.4rem; }

.prose li + li { margin-top: 0.35rem; }

.prose li::marker { color: var(--brew-deep); }

.prose :not(pre) > code {
  padding: 0.05rem 0.3rem;
  background: var(--rule);
  font-size: 0.85em;
}

.prose a code { color: inherit; }

.prose .pot { margin-top: 1.5rem; margin-bottom: 0.5rem; }

.prose blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: var(--px) solid var(--rule);
  color: var(--muted);
}

/* Tables */

.table { overflow-x: auto; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.prose th, .prose td {
  padding: 0.55rem 1rem 0.55rem 0;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.prose th {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  border-bottom-width: var(--px);
}

.prose td code { white-space: nowrap; }

/* Callouts, in pixel frames like the panels. */

.callout {
  border: calc(5 * var(--px)) solid transparent;
  border-image: url("/assets/frames/note.svg") 5 fill / calc(5 * var(--px));
  padding: 0.25rem 0.75rem;
}

.callout-caution { border-image-source: url("/assets/frames/caution.svg"); }

.callout > * + * { margin-top: 0.5rem; }

.callout p { margin: 0; }

.callout-title {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.callout-caution .callout-title { color: #8a5a12; }

@media (prefers-color-scheme: dark) {
  .callout { border-image-source: url("/assets/frames/note-dark.svg"); }
  .callout-caution { border-image-source: url("/assets/frames/caution-dark.svg"); }
  .callout-caution .callout-title { color: #f3c98b; }
}

/* The tree of a project: radio buttons choose which file is shown. */

.project {
  display: grid;
  grid-template-columns: 18.5rem minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-top: 1.5rem;
}

.project-input { position: absolute; opacity: 0; pointer-events: none; }

.project-tree {
  border: calc(5 * var(--px)) solid transparent;
  border-image: url("/assets/frames/note.svg") 5 fill / calc(5 * var(--px));
  padding: 0.25rem 0.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.project-root { margin: 0 0 0.25rem; padding: 0 0.4rem; color: var(--muted); }

.project-file {
  display: block;
  white-space: nowrap;
  padding: 0.2rem 0.4rem 0.2rem 1.2rem;
  cursor: pointer;
  color: var(--ink);
}

.project-nested { padding-left: 2.2rem; }

.project-file:hover { color: var(--link); }

.project-panel { display: none; }

.project-panel > p { margin: 0 0 0.75rem; }

.project-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.project-kind {
  padding: 0 0.4rem;
  border: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.project-kind-secret { border-color: #c98a2b; color: #8a5a12; }

.project-kind-commit, .project-kind-generated {
  border-color: var(--brew-deep);
  color: var(--link);
}

.project-input:nth-of-type(1):checked ~ .project-panels > :nth-child(1),
.project-input:nth-of-type(2):checked ~ .project-panels > :nth-child(2),
.project-input:nth-of-type(3):checked ~ .project-panels > :nth-child(3),
.project-input:nth-of-type(4):checked ~ .project-panels > :nth-child(4),
.project-input:nth-of-type(5):checked ~ .project-panels > :nth-child(5),
.project-input:nth-of-type(6):checked ~ .project-panels > :nth-child(6),
.project-input:nth-of-type(7):checked ~ .project-panels > :nth-child(7),
.project-input:nth-of-type(8):checked ~ .project-panels > :nth-child(8),
.project-input:nth-of-type(9):checked ~ .project-panels > :nth-child(9),
.project-input:nth-of-type(10):checked ~ .project-panels > :nth-child(10) {
  display: block;
}

/* The chosen file, marked with a green pixel like the current page. */
.project-input:nth-of-type(1):checked ~ .project-tree label:nth-of-type(1),
.project-input:nth-of-type(2):checked ~ .project-tree label:nth-of-type(2),
.project-input:nth-of-type(3):checked ~ .project-tree label:nth-of-type(3),
.project-input:nth-of-type(4):checked ~ .project-tree label:nth-of-type(4),
.project-input:nth-of-type(5):checked ~ .project-tree label:nth-of-type(5),
.project-input:nth-of-type(6):checked ~ .project-tree label:nth-of-type(6),
.project-input:nth-of-type(7):checked ~ .project-tree label:nth-of-type(7),
.project-input:nth-of-type(8):checked ~ .project-tree label:nth-of-type(8),
.project-input:nth-of-type(9):checked ~ .project-tree label:nth-of-type(9),
.project-input:nth-of-type(10):checked ~ .project-tree label:nth-of-type(10) {
  color: var(--link);
  font-weight: 700;
  background: linear-gradient(var(--brew-deep), var(--brew-deep))
              0.4rem 50% / calc(2 * var(--px)) calc(2 * var(--px)) no-repeat;
}

.project-input:nth-of-type(1):focus-visible ~ .project-tree label:nth-of-type(1),
.project-input:nth-of-type(2):focus-visible ~ .project-tree label:nth-of-type(2),
.project-input:nth-of-type(3):focus-visible ~ .project-tree label:nth-of-type(3),
.project-input:nth-of-type(4):focus-visible ~ .project-tree label:nth-of-type(4),
.project-input:nth-of-type(5):focus-visible ~ .project-tree label:nth-of-type(5),
.project-input:nth-of-type(6):focus-visible ~ .project-tree label:nth-of-type(6),
.project-input:nth-of-type(7):focus-visible ~ .project-tree label:nth-of-type(7),
.project-input:nth-of-type(8):focus-visible ~ .project-tree label:nth-of-type(8),
.project-input:nth-of-type(9):focus-visible ~ .project-tree label:nth-of-type(9),
.project-input:nth-of-type(10):focus-visible ~ .project-tree label:nth-of-type(10) {
  outline: 2px solid var(--brew-deep);
  outline-offset: -2px;
}

.project-panels .pot { margin-top: 0.5rem; }

@media (prefers-color-scheme: dark) {
  .project-tree { border-image-source: url("/assets/frames/note-dark.svg"); }
  .project-kind-secret { color: #f3c98b; }
}

@media (max-width: 40rem) {
  .project { grid-template-columns: minmax(0, 1fr); }
}

/* Previous and next */

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 4rem;
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.3rem 0.75rem;
  border: calc(5 * var(--px)) solid transparent;
  border-image: url("/assets/frames/pale.svg") 5 fill / calc(5 * var(--px));
  filter: drop-shadow(calc(2 * var(--px)) calc(2 * var(--px)) 0 var(--drop));
  color: var(--ink);
  text-decoration: none;
}

.pager-next { text-align: right; }

.pager-label { font-size: 0.8rem; color: var(--muted); }

.pager-title { font-weight: 700; }

.pager-link:hover .pager-title { color: var(--link); }

@media (prefers-color-scheme: dark) {
  .pager-link { border-image-source: url("/assets/frames/dusk-dark.svg"); }
}

/* Search */

.search {
  width: min(40rem, calc(100vw - 2rem));
  margin: 12vh auto auto;
  padding: 0;
  border: none;
  background: none;
  color: var(--ink);
}

.search::backdrop { background: rgba(4, 5, 10, 0.55); }

.search-box {
  border: calc(5 * var(--px)) solid transparent;
  border-image: url("/assets/frames/note.svg") 5 fill / calc(5 * var(--px));
  padding: 0.25rem;
}

#search-input {
  width: 100%;
  padding: 0.5rem 0.25rem;
  border: none;
  border-bottom: var(--px) solid var(--outline);
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 1.1rem;
  outline: none;
}

#search-results {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0 0;
  max-height: 60vh;
  overflow-y: auto;
}

#search-results a {
  display: block;
  padding: 0.6rem 0.4rem;
  color: var(--ink);
  text-decoration: none;
}

#search-results a.active, #search-results a:hover { background: var(--rule); }

#search-results .result-section {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--brew-deep);
}

#search-results .result-title { display: block; font-weight: 700; }

#search-results .result-text {
  display: block;
  font-size: 0.875rem;
  color: var(--muted);
}

#search-results mark { background: none; color: var(--link); font-weight: 700; }

#search-results .empty { padding: 0.8rem 0.4rem; color: var(--muted); }

@media (prefers-color-scheme: dark) {
  .search-box { border-image-source: url("/assets/frames/note-dark.svg"); }
}

/* Narrower screens: no table of contents column, then no sidebar. */

@media (max-width: 80rem) {
  .docs { grid-template-columns: 15rem minmax(0, 50rem); }
  .docs-toc { display: none; }
  .toc-mobile { display: block; margin-top: 1.5rem; }
  .toc-mobile summary { cursor: pointer; color: var(--muted); }
  .toc-mobile ul { list-style: none; padding-left: 1rem; }
  .toc-mobile a { color: var(--ink); text-decoration: none; }
}

@media (max-width: 56rem) {
  .docs { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .menu-button { display: inline-flex; }
  .masthead nav, .search-button kbd { display: none; }
  .masthead-end { gap: 0.5rem; }
  .search-button, .menu-button { font-size: 0.85rem; }
  .docs-sidebar {
    display: none;
    position: fixed;
    inset: 4rem 0 0 0;
    max-height: none;
    padding: 1.5rem 1.25rem;
    border: none;
    background: var(--paper);
    z-index: 9;
  }
  body.menu-open .docs-sidebar { display: block; }
  .pager { grid-template-columns: minmax(0, 1fr); }
}