@font-face {
  font-family: "CloisterBlack";
  src: url("/font/CloisterBlack.ttf") format("truetype");
}

:root {
  --colour-bg: floralwhite;
  --colour-fg: #111;
  --colour-grey: #545454;
  --colour-light-grey: #888;
  --colour-border: #e3dad0;
  --colour-border-dark: #cac3ba;
  --font-mono: "Source Code Pro", monospace;
  --font-serif: "Lora", serif;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  max-width: 738px;
  margin: 0 auto;
  padding: 20px;
  background-color: var(--colour-bg);
  color: var(--colour-fg);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--colour-fg);
  font-weight: bold;
}

a:hover {
  color: darkred;
}

/*a[target="_blank"]:not(.noexternal)::after {*/
/*  content: "";*/
/*  display: inline-block;*/
/*  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" style="fill:currentColor;"><path d="m11.293 17.293 1.414 1.414L19.414 12l-6.707-6.707-1.414 1.414L15.586 11H6v2h9.586z"></path></svg>');*/
/*  width: 14px;*/
/*  height: 14px;*/
/*  transform: rotate(-45deg);*/
/*  vertical-align: top;*/
/*}*/

nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  grid-gap: 10px;
  margin-bottom: 40px;
}

nav h1 {
  font-size: 14px;
}

nav .Links {
  display: flex;
  align-items: center;
}

nav .Links a {
  display: inline-block;
}

nav .Links > * + * {
  margin-left: 10px;
}

footer {
  margin-top: 40px;
  padding-top: 10px;
  border-top: 1px solid var(--colour-border);
}

footer p,
footer a {
  color: var(--colour-grey);
}

footer .epigraph {
  margin-top: 5px;
  text-align: right;
  color: var(--colour-light-grey);
}

.BodyStyle {
  position: relative;
  text-align: justify;
  hyphens: auto;
}

.BodyStyle > * + * {
  margin-top: 16px;
}

.BodyStyle h2,
.BodyStyle h3,
.BodyStyle h4,
.BodyStyle h5 {
  font-size: 14px;
}

.BodyStyle ul,
.BodyStyle ol {
  padding-left: 1.5em;
}

.BodyStyle p.initial, .ProseStyle p.initial {
  text-indent: 0;
}
.BodyStyle p.initial > span:first-child,
.ProseStyle p.initial > span:first-child {
  font-weight: bold;
  font-variant: small-caps;
  margin-left: -4px;
}

.BodyStyle p.initial:first-letter,
.ProseStyle p.initial:first-letter {
  float: left;
  font-family: "CloisterBlack", "Times New Roman", serif;
  font-size: 44px;
  font-weight: normal;
  line-height: 28px;
  color: darkred;
  margin-top: 5px;
  margin-right: 4px;
}

.ProseStyle {
  max-width: 60ch;
  margin: 0 auto;
  line-height: 1.5;
}

.ProseStyle h2 {
  font-size: 16px;
  text-align: center;
}

.ProseStyle h3 {
  font-size: 14px;
  text-align: center;
  margin-bottom: 15px;
}

.ProseStyle h4 {
  font-size: 14px;
  text-align: center;
}

.ProseStyle p {
  text-align: justify;
  text-indent: 2em;
}

.ProseStyle .Footnotes {
  text-indent: 0;
  border-top: 1px solid var(--colour-border);
  padding-top: 20px;
  margin-top: 20px;
}

.ProseStyle .Footnotes ol {
  margin-left: 1em;
}

.ProseStyle .Footnotes ol li + li {
  margin-top: 5px;
}

.PageInfo {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  grid-gap: 10px;
  margin-bottom: 20px;
}

.PageInfo pre {
  white-space: break-spaces;
}

.PageInfo details {
  margin-top: 10px;
}

.PageInfo details p {
  font-family: var(--font-mono);
  word-break: break-all;
  user-select: all;
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  padding: 10px;
  margin-top: 10px;
  background-color: rgba(0, 0, 0, 0.025);
}

.PageActions {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  grid-gap: 5px;
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  padding: 10px;
  margin-bottom: 20px;

  @media screen and (min-width: 730px) {
    grid-template-columns: repeat(3, 1fr);
  }
}

.PageActions button {
  font-weight: normal;
}

.PageContentWrapper {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.PageContent {
  display: grid;
  grid-template-columns: 26px 672px;
  overflow-x: auto;
}

.PageContent .Lines {
  color: var(--colour-light-grey);
  user-select: none;
  display: inline-block;
  position: sticky;
  left: 0;
  background-color: var(--colour-bg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.2;
  z-index: 1;
}

.PageContent .Lines span {
  display: block;
}

.PageContent pre {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.2;
  position: relative;
  overflow: hidden;
}

.PageContent strong {
  background-color: yellow;
}

.PageNavigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}

.PageNavigation a {
  width: 80px;
}

.PageNavigation a:last-child {
  text-align: right;
}

.PageNavigation .PageSelector {
  display: flex;
  align-items: center;
}

.PageNavigation .PageSelector select {
  appearance: none;
  color: var(--colour-fg);
  background-color: var(--colour-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' style='fill: grey;transform: ;msFilter:;'%3E%3Cpath d='M16.293 9.293 12 13.586 7.707 9.293l-1.414 1.414L12 16.414l5.707-5.707z'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 100% 50%;
  margin-left: 5px;
  font-family: var(--font-mono);
  border: 1px solid var(--colour-border-dark);
  border-radius: 2px;
  padding: 2px 16px 2px 5px;
}

button {
  appearance: none;
  width: 100%;
  padding: 5px 10px;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: bold;
  text-decoration: underline;
  border: 1px solid var(--colour-border-dark);
  border-radius: 2px;
  background-color: #efe5dd;
  color: var(--colour-fg);
  cursor: pointer;
}

button:not([disabled]):hover {
  color: darkred;
}

button[disabled] {
  text-decoration: none;
  cursor: not-allowed;
  opacity: 0.5;
}

.SearchGrid {
  display: grid;
  grid-template-columns: 1fr;
  grid-gap: 30px;

  @media screen and (min-width: 730px) {
    grid-template-columns: 1fr 1.1fr;
    grid-gap: 20px;
  }
}

.SearchGrid img {
  width: 100%;
  max-width: 400px;
  border-radius: 4px;
  margin: 0 auto;

  @media screen and (min-width: 730px) {
    max-width: 100%;
    margin: 0;
  }
}

.SearchForm textarea,
.BrowseForm textarea {
  appearance: none;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 100%;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  border: 1px solid var(--colour-border-dark);
  border-radius: 2px;
  margin-bottom: 10px;
}

.SearchForm .ModeSelection label {
  margin-right: 10px;
  display: inline-flex;
  align-items: center;
}

.SearchForm .ModeSelection input {
  margin-right: 5px;
}

.SearchForm button,
.BrowseForm button {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
  padding: 10px;
  margin-top: 10px;
  transition: all 75ms ease-in-out;

  &:hover {
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.25);
    transform: translateY(1px);
  }
}

.InfoBox {
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  padding: 10px;
  font-size: 13px;
  background-color: rgba(0, 0, 0, 0.025);
}

.BrowseForm {
  margin-bottom: 20px;
}

.BrowseForm label > *:last-child {
  margin-top: 5px;
}

.BrowseForm label span {
  color: var(--colour-light-grey);
}

.BrowseForm .Numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 10px;
}

.BrowseForm .Numbers input,
.BrowseForm input[type="file"]{
  appearance: none;
  display: block;
  width: 100%;
  padding: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  border: 1px solid var(--colour-border-dark);
  border-radius: 2px;
}

.BrowseForm input[type="file"] {
  background-color: white;
  cursor: pointer;
}

.Librarian {
  width: 100%;
  max-width: 400px;
  margin-bottom: 30px;
  border-radius: 4px;
  display: block;
  margin-left: auto;
  margin-right: auto;

  @media screen and (min-width: 590px) {
    width: 285px;
    float: right;
    margin-left: 15px;
    margin-bottom: 15px;
  }
}

.Banner {
  width: 100%;
  margin-bottom: 30px;
  border-radius: 4px;
  display: block;
}

.nobreak {
  white-space: nowrap;
}

.break {
  word-break: break-all;
}

.super {
  font-size: 12px;
  vertical-align: top;
  display: inline-block;
  margin-top: -2px;
  text-indent: 0;
}

.code {
  font-family: var(--font-mono);
  background-color: rgba(0, 0, 0, 0.075);
  padding: 0 3px;
  border-radius: 2px;
}

@keyframes highlight {
  from {
    opacity: 0;
    transform: scale(1.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.Highlight {
  position: absolute;
  height: calc(14px * 1.2);
  background-color: rgba(255, 0, 0, 0.15);
  border: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: 2px;
  opacity: 0;
  animation: highlight 200ms forwards;
}

.Divider {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px auto;
}

.Divider > p {
  display: inline-block;
  background-color: var(--colour-bg);
  color: var(--colour-light-grey);
  padding: 0 10px;
}

.Divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background-color: var(--colour-border);
  z-index: -1;
}

/*
  Arabic edition: RTL, Arabic type, and small refinements on the original design
*/
:root {
  --font-serif: "Amiri", serif;
  --font-book: "Noto Naskh Arabic", "Amiri", serif;
  --book-line: 26px;
  --colour-accent: darkred;
}

/* the English story keeps the original's type */
[dir="ltr"] {
  --font-serif: "Lora", serif;
  font-family: var(--font-serif);
}

body {
  font-size: 17px;
  line-height: 1.8;
}

::selection {
  background-color: rgba(139, 0, 0, 0.15);
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  transition: color 75ms ease-in-out;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--colour-accent);
  outline-offset: 2px;
}

nav {
  align-items: baseline;
  flex-wrap: wrap;
  row-gap: 4px;
}

nav h1 {
  font-size: 22px;
  line-height: 1.4;
}

nav h1 a {
  text-decoration: none;
}

nav .Links {
  flex-wrap: wrap;
  column-gap: 14px;
}

nav .Links > * + * {
  margin-left: 0;
}

nav .Links a[aria-current="page"] {
  color: var(--colour-accent);
}

footer {
  font-size: 15px;
}

footer .epigraph {
  text-align: left;
  font-style: italic;
}

.BodyStyle {
  text-align: right;
  hyphens: none;
}

.BodyStyle h2 {
  font-size: 20px;
  margin-top: 28px;
}

.BodyStyle ul,
.BodyStyle ol {
  padding-left: 0;
  padding-right: 1.5em;
}

.BodyStyle li + li {
  margin-top: 6px;
}

/*
  The original opens a paragraph with a blackletter drop cap. Arabic letters
  join, so a floated first letter would break the word: the opening words
  carry the red instead.
*/
[dir="rtl"] .BodyStyle p.initial:first-letter {
  float: none;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  margin: 0;
}

[dir="rtl"] .BodyStyle p.initial > span:first-child {
  font-variant: normal;
  margin-left: 0;
  color: var(--colour-accent);
  font-size: 1.3em;
}

.StoryNote {
  max-width: 60ch;
  margin: 0 auto 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--colour-border);
}

.ProseStyle[dir="ltr"] {
  font-size: 14px;
}

.ErrorPage {
  min-height: 30vh;
}

.super {
  font-family: var(--font-mono);
}

/* book page */
.PageInfo {
  align-items: baseline;
}

.PageInfo p {
  font-family: var(--font-book);
  font-size: 15px;
  color: var(--colour-grey);
}

.PageActions button {
  font-size: 15px;
}

.PageContent {
  grid-template-columns: 30px max-content;
  column-gap: 8px;
  overflow: visible;
}

.PageContent .Lines {
  left: auto;
  right: 0;
  line-height: var(--book-line);
}

.PageContent pre {
  font-family: var(--font-book);
  font-size: 16px;
  line-height: var(--book-line);
  direction: rtl;
  text-align: right;
  overflow: visible;
}

.PageContent strong {
  background-color: #fff27a;
  box-shadow: 0 0 0 2px #fff27a;
  border-radius: 1px;
}

.PageContent mark {
  background-color: rgba(255, 0, 0, 0.12);
  outline: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: 2px;
  color: inherit;
  animation: mark-in 200ms ease-out;
}

@keyframes mark-in {
  from {
    background-color: rgba(255, 0, 0, 0.35);
  }
}

.PageNavigation a {
  white-space: nowrap;
}

.PageNavigation a:last-child {
  text-align: left;
}

.PageNavigation .PageSelector select {
  background-position: 0% 50%;
  margin-left: 0;
  margin-right: 5px;
  padding: 2px 5px 2px 16px;
}

/* forms */
button {
  font-size: 16px;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
}

.SearchForm textarea {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.8;
}

.SearchForm textarea,
.BrowseForm textarea,
.BrowseForm .Numbers input {
  background-color: #fffdf8;
  transition: border-color 75ms ease-in-out;
}

.SearchForm textarea:focus,
.BrowseForm textarea:focus,
.BrowseForm .Numbers input:focus {
  border-color: var(--colour-grey);
}

.SearchForm .ModeSelection {
  display: flex;
  flex-wrap: wrap;
  column-gap: 16px;
  row-gap: 4px;
}

.SearchForm .ModeSelection label {
  margin-right: 0;
  cursor: pointer;
}

.SearchForm .ModeSelection input {
  margin-right: 0;
  margin-left: 5px;
  accent-color: var(--colour-accent);
}

.SearchForm .Status {
  margin-top: 8px;
  font-size: 14px;
  color: var(--colour-light-grey);
}

.SearchForm .Status.Error {
  color: var(--colour-accent);
}

.BrowseForm label > p {
  margin-bottom: 4px;
}

.BrowseForm label span {
  font-size: 14px;
}

@media screen and (max-width: 480px) {
  .BrowseForm .Numbers {
    grid-template-columns: repeat(2, 1fr);
  }
}

.Librarian {
  @media screen and (min-width: 590px) {
    float: left;
    margin-left: 0;
    margin-right: 15px;
  }
}

.BrowseForm textarea::placeholder,
.SearchForm textarea::placeholder {
  font-family: var(--font-serif);
  font-size: 16px;
}

/* examples: each one a library catalogue card */
.Examples {
  margin-top: 30px;
}

.Example {
  position: relative;
  background-color: #fffcf5;
  border: 1px solid var(--colour-border-dark);
  border-radius: 3px;
  padding: 22px 24px 16px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08), 0 8px 24px -16px rgba(80, 50, 20, 0.35);
}

/* a thin inner rule, like the frame printed on an old index card */
.Example::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  pointer-events: none;
}

.Example + .Example {
  margin-top: 24px;
}

/* a nav, so undo the site menu's spread-out layout */
nav.Categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 8px;
  margin: 26px 0 6px;
}

.Categories a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 3px 12px;
  border: 1px solid var(--colour-border-dark);
  border-radius: 999px;
  background-color: #fffcf5;
  font-weight: normal;
  text-decoration: none;
}

.Categories a:hover {
  border-color: var(--colour-accent);
}

.Categories .Count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--colour-light-grey);
}

.Category {
  scroll-margin-top: 16px;
}

.CategoryTitle {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 36px 0 -12px;
  font-size: 20px;
  color: var(--colour-grey);
}

.CategoryTitle::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--colour-border-dark);
}

.Example h3 {
  font-size: 26px;
  line-height: 1.4;
  color: var(--colour-accent);
}

.ExampleLead {
  color: var(--colour-grey);
}

.Tiles {
  display: grid;
  grid-template-columns: 2.2fr repeat(3, 1fr) 1.6fr;
  gap: 8px;
  margin: 16px 0;

  @media screen and (max-width: 639px) {
    grid-template-columns: repeat(4, 1fr);
  }
}

.Tiles > div {
  text-align: center;
  padding: 8px 6px 6px;
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  background-color: var(--colour-bg);
}

@media screen and (max-width: 639px) {
  .Tiles .RoomTile {
    grid-column: 1 / -1;
  }
}

.Tiles dt {
  font-size: 13px;
  color: var(--colour-light-grey);
}

.Tiles dd {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.5;
  color: var(--colour-accent);
  white-space: nowrap;
}

.Tiles .RoomTile dd .code {
  font-size: 14px;
  color: var(--colour-fg);
  background: none;
  padding: 0;
}

.Tiles .RoomTile dd {
  line-height: 30px;
}

.Tiles .PagesTile dd {
  font-family: var(--font-serif);
  font-size: 18px;
}

.Tiles .PagesTile bdi {
  font-family: var(--font-mono);
  font-size: 20px;
}

.ExampleActions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;

  @media screen and (min-width: 640px) {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

/* books of several volumes fold their volumes away */
.Volumes {
  margin: 16px 0;
  border: 1px solid var(--colour-border);
  border-radius: 2px;
  background-color: var(--colour-bg);
}

.Volumes summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  list-style: none;
}

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

.Volumes summary:hover .Toggle {
  color: var(--colour-accent);
}

.VolumesCount {
  font-size: 15px;
}

.Toggle {
  font-size: 14px;
  font-weight: bold;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  white-space: nowrap;
}

.Toggle::before {
  content: "اعرض المجلدات";
}

.Volumes[open] .Toggle::before {
  content: "أخف المجلدات";
}

.Volumes[open] summary {
  border-bottom: 1px solid var(--colour-border);
}

.Volumes .Tiles {
  margin: 8px 14px 14px;
}

.Volumes .Tiles > div {
  background-color: #fffcf5;
}

.VolumeHead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 12px 14px 0;
  font-size: 15px;
  font-weight: bold;
}

.VolumeLinks {
  display: flex;
  gap: 14px;
  font-size: 14px;
}

.VolumeLinks a {
  font-weight: normal;
}

.ExampleActions.Multi {
  @media screen and (min-width: 640px) {
    grid-template-columns: 1.3fr 1fr;
  }
}

.ExampleActions button {
  font-weight: normal;
  font-size: 15px;
  padding: 7px 10px;
}

.ExampleActions button.Primary {
  font-weight: bold;
  color: var(--colour-bg);
  background-color: var(--colour-accent);
  border-color: #6d0000;
}

.ExampleActions button.Primary:hover {
  color: var(--colour-bg);
  background-color: #6d0000;
}

.ExampleFoot {
  margin-top: 12px;
  font-size: 13px;
  color: var(--colour-light-grey);
}

.ExampleFoot a {
  color: var(--colour-grey);
}

/* page.html: the page is computed in the browser */
.PageStatus {
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--colour-grey);
}

.PageStatus.Error {
  color: var(--colour-accent);
}

.PageContent pre.Loading {
  opacity: 0.35;
  min-height: calc(40 * var(--book-line));
  transition: opacity 150ms ease-in-out;
}

.PageActions .Button {
  font-weight: normal;
}

.ShareNote {
  margin-top: 24px;
  font-size: 14px;
  color: var(--colour-light-grey);
}