/*!
 * extract-text-2026.css — the extract-text site.
 *
 * Loads on top of ern-2026.css (the ERN design system) and adds only what
 * that sheet has no component for: the sub-site header, plain-markdown body
 * text, code blocks, numbered steps, operating-system groups, tables, the
 * notice box, video, and the author cards. Colours, type scale, buttons,
 * bands, and footer come from the design system and are not restated here.
 */

:root { --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* ─── Header ───
   The ERN logo goes to the main site; "/ extract-text" beside it is this
   site's home, so a visitor can see they are in a part of ERN. The current
   page is marked by an underline as well as the red, never by colour alone. */
.head-in > .brandline { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brandline > a { display: flex; align-items: center; text-decoration: none; }
.brandline .sep { color: var(--steel); font-size: 22px; font-weight: 200; line-height: 1; }
.brandline .tool-name {
  font-family: var(--mono); font-size: 15px; font-weight: 600; color: var(--ink);
  padding: 10px 0; white-space: nowrap;
}
.brandline .tool-name:hover { color: var(--accent-deep); }
.nav a[aria-current="page"],
.brandline .tool-name[aria-current="page"] {
  color: var(--accent-deep); text-decoration: underline;
  text-decoration-thickness: 2px; text-underline-offset: 7px;
}

/* ─── Hero ─── text left, drawn illustration right */
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.hero-grid > img { display: block; width: 100%; height: auto; background: var(--tint); border-radius: 8px; padding: 14px 10px; }
.sec-hero .badge { margin: 6px 0 0; }
.sec-hero .actions { margin-top: 26px; }
.page h1 code { font-family: var(--mono); font-size: 0.84em; font-weight: 500; letter-spacing: -0.03em; background: none; padding: 0; }

/* ─── Body text ───
   The pages are written in markdown, which gives bare <p>, <ul>, and <h3>
   tags. :where() keeps these rules weaker than any component rule in the
   design system, so a paragraph inside a card still takes the card's size. */
:where(.page) p, :where(.page) li {
  font-size: 16.5px; line-height: 1.7; color: var(--body);
  max-width: 72ch; text-wrap: pretty;
}
:where(.page) p { margin: 0 0 14px; }
:where(.page) ul, :where(.page) ol { margin: 0 0 16px; padding-left: 22px; }
:where(.page) li { margin-bottom: 6px; }
:where(.page) h3 { font-size: 20px; font-weight: 600; line-height: 1.35; color: var(--ink); margin: 28px 0 8px; text-wrap: pretty; }
:where(.page) strong { color: var(--ink); font-weight: 600; }
.page p a, .page li a, .page td a { text-decoration: underline; text-underline-offset: 2px; }
.page h2 + p, .page h2 + .sub { margin-top: 4px; }
/* Buttons and "read more" links written in markdown sit inside a <p>; they
   keep the design system's look, not the underlined body-link look. The
   "read more" link is padded so a finger can hit it. */
.page a.btn, .page a.more { text-decoration: none; }
.page a.more { display: inline-block; padding: 12px 0; }
.page a.more:hover { text-decoration: underline; }
.page p:has(> a.more) { margin: 6px 0 0; }
/* A pair of buttons written in markdown lands inside one <p>; give that
   <p> the same spacing the hero's pair has. */
.actions > p { display: flex; flex-wrap: wrap; gap: 14px; margin: 0; max-width: none; }
.sec > :last-child, .sec-sm > :last-child { margin-bottom: 0; }

/* Dark band: the same text, light on navy */
.band-dark p, .band-dark li { color: rgba(255, 255, 255, 0.86); }
.band-dark strong { color: #fff; }
.band-dark a { color: #fff; }
.band-dark a:hover { color: var(--red-on-dark); }

/* ─── Cards in a row ─── the design system's .cards is three across; .two is
   the same idea for a pair. Cards built from markdown are <div>s, not links. */
.cards, .two { margin-top: 30px; margin-bottom: 30px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.card h3 { margin: 0; }
.card p { max-width: none; }
.card p:has(.kicker) { margin: 0; }
/* Small red capitals are weakest on the tinted band, so there the kicker
   takes the muted ink instead. */
.band .kicker { color: var(--muted); }
/* A numbered card: the three stages on the home page */
.card .n {
  font-size: 34px; font-weight: 200; line-height: 1; color: var(--accent-deep);
  font-variant-numeric: tabular-nums;
}

/* ─── Article pages ─── a narrower measure for step-by-step reading. The
   section keeps the site's full width so its left edge lines up with the
   header; everything inside it stops at 820px. */
.article > * { max-width: 820px; }
.article h2 {
  font-size: 28px; font-weight: 300; line-height: 1.2; letter-spacing: -0.018em;
  margin: 52px 0 14px; padding-top: 30px;
  border-top: 1px solid var(--rule);
  /* a jump link must land with the heading below the pinned header */
  scroll-margin-top: 100px;
}
.article h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.article h2 em { font-weight: 600; }
/* Step number, set off from the heading text */
.article h2 .num {
  display: inline-block; min-width: 1.5em; margin-right: 6px;
  font-weight: 600; color: var(--accent-deep); font-variant-numeric: tabular-nums;
}

/* The numbered list of in-page links under an article's hero */
.jump { display: flex; flex-wrap: wrap; gap: 8px 10px; list-style: none; margin: 0 0 8px; padding: 0; }
.jump li { margin: 0; font-size: 14px; max-width: none; }
.page .jump a {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px;
  text-decoration: none; color: var(--body);
  border: 1px solid var(--rule); border-radius: 999px; padding: 6px 16px;
}
.page .jump a b { color: var(--accent-deep); font-weight: 600; font-variant-numeric: tabular-nums; }
.page .jump a:hover { border-color: var(--accent-deep); color: var(--accent-deep); }

/* ─── Operating-system groups ─── one bordered box per system, so a reader
   can see where the Mac instructions stop and the Windows ones start */
.os-group {
  border: 1px solid var(--rule); border-radius: 8px;
  padding: 20px 22px 6px; margin: 16px 0;
}
.os-group h3 { margin: 0 0 10px; font-size: 19px; }
.os-group p, .os-group li { font-size: 15.5px; }

/* ─── Code ─── */
.page code {
  font-family: var(--mono); font-size: 0.88em;
  background: rgba(232, 238, 244, 0.75); border-radius: 3px; padding: 1px 5px;
}
.page pre {
  margin: 0 0 18px; padding: 16px 20px;
  background: var(--ink); border-radius: 6px; overflow-x: auto;
}
.page pre code {
  display: block; background: none; padding: 0; border-radius: 0;
  font-size: 13.5px; line-height: 1.65; color: #E8EEF4; white-space: pre;
}
/* The page's script wraps each block in .code and adds a strip above it
   that names what the block is and holds the Copy button, so the button
   never sits on the code. */
.code { margin: 0 0 18px; background: var(--ink); border-radius: 6px; overflow: hidden; }
.code pre { margin: 0; border-radius: 0; }
.code-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 44px; padding: 5px 8px 5px 20px; border-bottom: 1px solid var(--rule-dark);
}
.code-bar .lang {
  font-family: var(--sans); font-size: 11.5px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--steel);
}
.code-bar .copy {
  font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: #fff;
  background: transparent; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: 4px;
  min-height: 34px; padding: 0 14px; cursor: pointer;
}
.code-bar .copy:hover { background: #fff; color: var(--ink); }
.code-bar .copy:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
/* What the reader should see after running a block: light, so it cannot be
   mistaken for something to type */
.code.out { background: #F4F6F9; border: 1px solid var(--rule); }
.code.out .code-bar { border-bottom-color: var(--rule); min-height: 36px; }
.code.out .lang { color: var(--muted); }
.page pre.output { background: #F4F6F9; }
.page pre.output code { color: var(--ink); }

/* ─── Video ─── each <video> carries its own width and height, so the frame
   keeps its shape as it shrinks */
.video { margin: 22px 0 26px; }
.video.wide { max-width: 960px; }
.video video {
  display: block; width: 100%; height: auto;
  background: var(--ink); border: 1px solid var(--rule); border-radius: 6px;
}
.video figcaption { font-size: 14px; line-height: 1.5; color: var(--muted); margin-top: 9px; }
/* The video's words, for anyone who cannot watch it */
.video details { margin-top: 6px; }
.video summary {
  display: inline-flex; align-items: center; min-height: 44px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--ink);
  text-decoration: underline; text-underline-offset: 3px;
}
.video details ol { margin: 6px 0 0; padding-left: 22px; }
.video details li { font-size: 15px; line-height: 1.6; }
/* The script line for the moment of the video now playing. It sits under
   the player, and its height is held at two lines (three on a phone) so
   the page below does not jump as the lines change. */
.video .narration {
  margin: 10px 0 0; padding: 12px 16px; min-height: calc(3.1em + 24px); box-sizing: border-box; max-width: none;
  font-size: 17px; line-height: 1.55; color: var(--ink);
  background: var(--tint); border-left: 3px solid var(--accent); border-radius: 0 4px 4px 0;
}
@media (max-width: 600px) { .video .narration { font-size: 16px; min-height: calc(4.65em + 24px); } }
/* In the full script, the line now playing is marked by a rule and weight */
.video .script li { padding-left: 8px; }
.video .script li.now { font-weight: 600; color: var(--ink); box-shadow: -3px 0 0 var(--accent); }

/* ─── Notice box ─── a rule on the left and a label, never colour alone */
.note {
  border-left: 3px solid var(--accent); background: var(--tint);
  border-radius: 0 4px 4px 0; padding: 16px 20px; margin: 22px 0;
}
.note p { font-size: 15.5px; margin: 0 0 8px; }
.note p:last-child { margin-bottom: 0; }

/* ─── Tables ─── */
.table-wrap { overflow-x: auto; margin: 18px 0 22px; }
.page table { border-collapse: collapse; width: 100%; font-size: 14.5px; line-height: 1.5; color: var(--body); }
.page th {
  text-align: left; vertical-align: bottom;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); padding: 0 16px 9px 0; border-bottom: 1px solid var(--ink);
}
.page td {
  vertical-align: top; padding: 11px 16px 11px 0;
  border-bottom: 1px solid var(--rule); font-variant-numeric: tabular-nums;
}
.page th:last-child, .page td:last-child { padding-right: 0; }

/* ─── Authors ─── three across, portrait over name, role, and a short bio.
   The role line is given room for three lines so the bios start level. */
.authors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px; margin-top: 36px; }
.author img {
  display: block; width: 148px; height: 148px;
  object-fit: cover; border-radius: 50%; background: var(--tint);
}
.author h3 { margin: 18px 0 2px; }
.author .role { font-size: 13.5px; line-height: 1.5; color: var(--muted); margin: 0 0 12px; min-height: 4.5em; }
.author p { font-size: 15px; line-height: 1.65; max-width: none; }
.author .links { font-size: 14px; margin: 0; }
.author .links a {
  display: inline-flex; align-items: center; min-height: 44px;
  color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px;
}
.author .links a:hover { color: var(--accent-press); }

/* ─── Citation block ─── */
.cite {
  border: 1px solid var(--rule); border-radius: 4px; background: var(--paper);
  padding: 18px 22px; margin: 14px 0 22px; max-width: 820px;
}
.cite p { font-size: 15px; line-height: 1.65; margin: 0; max-width: none; }

/* ─── Responsive ─── */
@media (max-width: 1000px) {
  /* The design system pins the header, and on a narrow screen it wraps to
     several rows. Here it scrolls away with the page, so instructions get
     the whole screen. Jump links then need no allowance for it. */
  .head { position: static; }
  section, .article h2 { scroll-margin-top: 12px; }
  .head-in { gap: 6px 24px; }
  .nav { gap: 4px 22px; padding-top: 0; }
  .nav a { font-size: 14px; padding: 12px 0; }
  .nav a.btn { padding: 10px 18px; }
  .foot-col a { padding: 7px 0; }
  .foot-col { gap: 0; }
  .foot-col span { margin-bottom: 6px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-grid > img { max-width: 560px; }
}
@media (max-width: 900px) {
  .two { grid-template-columns: 1fr; gap: 36px; }
  .authors { grid-template-columns: 1fr; gap: 40px; }
  .author .role { min-height: 0; }
  .article h2 { font-size: 24px; }
}
@media (max-width: 600px) {
  .head-in img { height: 34px; }
  .brandline { gap: 8px; }
  .brandline .tool-name { font-size: 14px; }
  /* On a phone the GitHub button becomes a plain link, so the three pages
     and GitHub fit on one row under the logo. */
  .nav { gap: 0 18px; }
  .nav a { font-size: 13.5px; }
  .nav a.btn, .nav a.btn:hover {
    background: none; border: none; color: var(--ink); padding: 12px 0;
    font-size: 13.5px; font-weight: 500; letter-spacing: 0; text-transform: none;
  }
  .os-group pre { padding: 14px 12px; }
  .os-group pre code { font-size: 12px; }
  /* One-line commands wrap on a phone, so nothing is hidden off the edge.
     R and Python keep their line breaks and scroll sideways. */
  .page pre.bash code, .page pre.powershell code { white-space: pre-wrap; overflow-wrap: anywhere; }
  .page pre code { font-size: 12.5px; }
  .page pre { padding: 14px 16px; }
  .code-bar { padding-left: 16px; }
  .code-bar .copy { min-height: 40px; }
  .page table { font-size: 13px; }
  .page th { font-size: 11px; letter-spacing: 0.04em; padding-right: 10px; }
  .page td { padding-right: 10px; }
  .os-group { padding: 16px 16px 4px; }
}

/* ─── Home page sub-heads inside a section ─── */
.sec > h3 { font-size: 24px; font-weight: 600; line-height: 1.3; color: var(--ink); margin: 44px 0 10px; }

/* ─── The badge as a link to the timeline ─── */
.badge a { color: inherit; text-decoration: none; }
.badge a:hover, .badge a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }

/* ─── Development timeline ─── three stages down a line. A finished stage
   has a filled mark with a tick and the word Done; an open one has an empty
   mark and the word Open, so the state never rests on colour alone. */
.timeline { list-style: none; margin: 30px 0 26px; padding: 0; max-width: 760px; }
.timeline li { position: relative; display: flex; gap: 20px; padding: 0 0 30px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: 14px; top: 30px; bottom: 0;
  width: 2px; background: var(--rule);
}
.timeline li:last-child::before { display: none; }
.timeline .mark {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%; box-sizing: border-box;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--muted); background: var(--paper); color: #fff;
}
.timeline .done .mark { background: var(--ink); border-color: var(--ink); }
.timeline .status {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin: 6px 0 4px;
}
.timeline .done .status { color: var(--ink); }
.timeline h3 { font-size: 20px; font-weight: 600; line-height: 1.35; color: var(--ink); margin: 0 0 6px; }
.timeline p { font-size: 15.5px; line-height: 1.6; margin: 0; }