/* Shared styling for the mutsu site (landing, tutorial, playground). */

:root {
  --purple: #7B2D8B;
  --pink: #E91E8C;
  --dark-bg: #1a0a20;
  --panel-bg: #2a1235;
  --panel-bg-2: #33163f;
  --console-bg: #0d0514;
  --border: #4a2555;
  --text: #f0e6f6;
  --dim: #9a7fa8;
  --green: #7deba0;
  --red: #ff6b8a;
  --mono: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', ui-monospace, monospace;
  --sans: system-ui, -apple-system, 'Hiragino Sans', 'Noto Sans JP', sans-serif;

  /* syntax colors */
  --syn-comment: #7a5f88;
  --syn-string: #ffc48a;
  --syn-number: #9fd6ff;
  --syn-var: #7deba0;
  --syn-keyword: #ff86c8;
  --syn-type: #e6a3ff;
  --syn-op: #c8b0d4;
}

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

body {
  font-family: var(--sans);
  background: linear-gradient(135deg, var(--dark-bg) 0%, #2d1040 50%, #1a0a30 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a { color: #e6a3ff; }

/* ------------------------------------------------------------------ *
 * Site chrome
 * ------------------------------------------------------------------ */

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 5, 20, 0.6);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  flex-wrap: wrap;
}
.site-nav .brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-nav .nav-links { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.site-nav .nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0.6rem;
  border-radius: 0.35rem;
}
.site-nav .nav-links a:hover { color: var(--text); background: var(--panel-bg); }
.site-nav .nav-links a[aria-current="page"] { color: var(--text); background: var(--panel-bg-2); }
.site-nav .spacer { flex: 1; }

.lang-switch { display: flex; border: 1px solid var(--border); border-radius: 0.4rem; overflow: hidden; }
.lang-switch button {
  background: transparent;
  border: 0;
  color: var(--dim);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.25rem 0.65rem;
  cursor: pointer;
}
.lang-switch button[aria-pressed="true"] { background: var(--panel-bg-2); color: var(--text); }
.lang-switch button:hover { color: var(--text); }

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 1.2rem 2rem;
  color: var(--dim);
  font-size: 0.82rem;
  text-align: center;
  margin-top: auto;
}
footer.site-footer p + p { margin-top: 0.4rem; }
footer.site-footer a { color: var(--pink); text-decoration: none; }
footer.site-footer a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ *
 * Buttons
 * ------------------------------------------------------------------ */

.btn {
  background: linear-gradient(135deg, var(--purple), var(--pink));
  border: none;
  color: white;
  padding: 0.5rem 1.3rem;
  border-radius: 0.4rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: wait; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.45rem 0.9rem;
  border-radius: 0.4rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.15s;
}
.btn-ghost:hover { border-color: var(--pink); color: var(--text); }

/* ------------------------------------------------------------------ *
 * Editor widget (textarea + highlight overlay, pixel-aligned)
 * ------------------------------------------------------------------ */

.editor-wrap {
  position: relative;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  overflow: hidden;
}
.editor-wrap:focus-within {
  border-color: var(--pink);
  box-shadow: 0 0 0 2px rgba(233, 30, 140, 0.15);
}
/* The overlay and the textarea must render text identically and overlap
   pixel-for-pixel: same font, size, padding, line-height, borders. */
.editor-wrap textarea,
.editor-wrap pre {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.55;
  padding: 0.9rem;
  margin: 0;
  border: 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  tab-size: 4;
}
.editor-wrap pre {
  position: absolute;
  inset: 0;
  overflow: auto;
  pointer-events: none;
  color: var(--text);
}
.editor-wrap textarea {
  position: relative;
  display: block;
  width: 100%;
  background: transparent;
  color: transparent;
  caret-color: var(--pink);
  resize: vertical;
  outline: none;
  overflow: auto;
}
.editor-wrap textarea::selection { background: rgba(233, 30, 140, 0.35); }

.tok-comment { color: var(--syn-comment); font-style: italic; }
.tok-string  { color: var(--syn-string); }
.tok-number  { color: var(--syn-number); }
.tok-var     { color: var(--syn-var); }
.tok-keyword { color: var(--syn-keyword); font-weight: 600; }
.tok-type    { color: var(--syn-type); }
.tok-op      { color: var(--syn-op); }

/* ------------------------------------------------------------------ *
 * Output pane
 * ------------------------------------------------------------------ */

.output {
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 0.7rem 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  color: var(--green);
  min-height: 2.6rem;
}
.output.error { color: var(--red); }
.output.muted { color: var(--dim); font-style: italic; font-family: var(--sans); }

.run-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.6rem 0;
}
.hint { color: var(--dim); font-size: 0.78rem; }
.grow { flex: 1; }
.snippet-note {
  color: var(--syn-string);
  background: rgba(255, 196, 138, 0.08);
  border-left: 2px solid var(--syn-string);
  font-size: 0.82rem;
  padding: 0.5rem 0.7rem;
  border-radius: 0 0.3rem 0.3rem 0;
  margin-bottom: 0.6rem;
}
.verdict { font-size: 0.82rem; font-weight: 600; }
.verdict.ok { color: var(--green); }
.verdict.differs { color: var(--syn-string); }

/* ------------------------------------------------------------------ *
 * Landing page
 * ------------------------------------------------------------------ */

.hero {
  text-align: center;
  padding: 3rem 1.2rem 2rem;
  max-width: 52rem;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1.15;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero .tagline { color: var(--text); font-size: 1.15rem; margin-top: 0.9rem; }
.hero .sub { color: var(--dim); margin-top: 0.7rem; font-size: 0.95rem; }
.hero .cta { margin-top: 1.6rem; display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap; }

.section {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.5rem 1.2rem;
  width: 100%;
}
.section > h2 {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}
.section > .lede { color: var(--dim); margin-bottom: 1.4rem; }

.card {
  background: rgba(42, 18, 53, 0.55);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.1rem;
}
.card h3 { font-size: 1.12rem; margin-bottom: 0.35rem; }
.card .card-body { color: var(--dim); font-size: 0.92rem; margin-bottom: 0.8rem; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1.1rem;
  align-items: start;
}
.card-grid .card { margin-bottom: 0; }
.card-grid .card .card-body { margin-bottom: 0; }
.card a { color: var(--pink); }

/* Headline numbers */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}
.stat {
  background: rgba(42, 18, 53, 0.55);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.stat-value {
  font-size: 1.75rem;
  line-height: 1.2;
  font-weight: 700;
  background: linear-gradient(90deg, var(--purple), var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text); font-size: 0.92rem; }
.stat-note { color: var(--dim); font-size: 0.8rem; }

/* Install recipes */

.tabs { display: flex; gap: 0.35rem; flex-wrap: wrap; margin-bottom: 0.7rem; }
.tabs button {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.3rem 0.85rem;
  border-radius: 1rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.tabs button:hover, .tabs button:focus-visible { color: var(--text); border-color: var(--pink); outline: none; }
.tabs button[aria-selected="true"] { border-color: var(--pink); color: var(--text); background: #3a1a48; }

.shell {
  position: relative;
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}
.shell pre {
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 0.9rem 1rem;
  padding-right: 5.5rem;
  overflow-x: auto;
  color: var(--text);
}
.copy-btn {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  color: var(--dim);
  font: inherit;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 0.3rem;
  cursor: pointer;
}
.copy-btn:hover { color: var(--text); border-color: var(--pink); }
.install-note { color: var(--dim); font-size: 0.85rem; margin-top: 0.7rem; }

.card .card-body code,
.stat-note code,
.install-note code,
.lesson-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(13, 5, 20, 0.6);
  padding: 0.08em 0.35em;
  border-radius: 0.25rem;
  color: var(--syn-type);
}

/* ------------------------------------------------------------------ *
 * Tutorial page
 * ------------------------------------------------------------------ */

.tutorial-layout {
  display: grid;
  grid-template-columns: 17rem 1fr;
  gap: 1.4rem;
  max-width: 78rem;
  width: 100%;
  margin: 0 auto;
  padding: 1.2rem;
  align-items: start;
  flex: 1;
}

.toc {
  position: sticky;
  top: 4.2rem;
  max-height: calc(100vh - 5.5rem);
  overflow-y: auto;
  background: rgba(42, 18, 53, 0.45);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.8rem;
}
.toc h2 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--dim); margin-bottom: 0.6rem; }
.toc .toc-intro { font-size: 0.82rem; color: var(--dim); margin-bottom: 0.9rem; }
.toc .toc-source {
  font-size: 0.72rem;
  color: var(--dim);
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
}
.toc ol { list-style: none; }
.toc .chapter { margin-bottom: 0.7rem; }
.toc .chapter > .chapter-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
  display: flex;
  gap: 0.4rem;
}
.toc .chapter > .chapter-title .num { color: var(--pink); }
.toc .lesson-link {
  display: block;
  padding: 0.22rem 0.5rem;
  font-size: 0.85rem;
  color: var(--dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 0.25rem 0.25rem 0;
}
.toc .lesson-link:hover { color: var(--text); background: var(--panel-bg); }
.toc .lesson-link[aria-current="true"] {
  color: var(--text);
  background: var(--panel-bg-2);
  border-left-color: var(--pink);
}
.toc .lesson-link.done::after { content: " ✓"; color: var(--green); }

.lesson { min-width: 0; }
.lesson .crumb { color: var(--dim); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; }
.lesson h1 { font-size: 1.7rem; margin: 0.25rem 0 0.9rem; }
.lesson-body { margin-bottom: 1.1rem; }
.lesson-body p + p,
.lesson-body p + ul,
.lesson-body ul + p { margin-top: 0.7rem; }
.lesson-body ul { padding-left: 1.2rem; }
.lesson-body li { margin-top: 0.25rem; }
.lesson-body strong { color: var(--text); }

.pane-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.pane-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.lesson-nav {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.lesson-nav button:disabled { opacity: 0.4; cursor: default; }

.toc-actions { margin-top: 0.8rem; }

details.expected { margin-top: 0.7rem; }
details.expected summary {
  cursor: pointer;
  color: var(--dim);
  font-size: 0.82rem;
}
details.expected pre {
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  color: var(--dim);
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.6rem 0.8rem;
  margin-top: 0.4rem;
  overflow-x: auto;
}

/* ------------------------------------------------------------------ *
 * Playground and REPL
 * ------------------------------------------------------------------ */

.container {
  max-width: 62rem;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1.2rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.page-head { margin-top: 0.6rem; }
.page-head h1 { font-size: 1.6rem; }
.page-intro { color: var(--dim); font-size: 0.92rem; margin-top: 0.35rem; max-width: 46rem; }
.page-cta { margin-top: 0.2rem; font-size: 0.85rem; }
.page-cta a { color: var(--pink); text-decoration: none; }
.page-cta a:hover { text-decoration: underline; }

/* The playground's output is the point of the page, so it keeps a visible
   height even when a program printed nothing. */
.output-pane { min-height: 9rem; max-height: 26rem; overflow-y: auto; }

.examples { display: flex; flex-direction: column; gap: 0.4rem; }
.example-group { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.example-group .group-label {
  color: var(--dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 5.5rem;
}
.examples button {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.25rem 0.65rem;
  border-radius: 1rem;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}
.examples button:hover, .examples button:focus-visible {
  border-color: var(--pink);
  color: var(--text);
  outline: none;
}
.examples button.active { border-color: var(--pink); color: var(--text); background: #3a1a48; }
#example-desc { color: var(--dim); font-size: 0.82rem; min-height: 1.2em; padding-left: 0.2rem; }

/* One-liners on the REPL page: the code itself is the label, so these are
   monospaced and may wrap, unlike the pill-shaped example names. */
#try-buttons { display: contents; }
.chip-code {
  background: var(--console-bg);
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.2rem 0.55rem;
  border-radius: 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s;
}
.chip-code:hover, .chip-code:focus-visible {
  border-color: var(--pink);
  color: var(--text);
  outline: none;
}

.repl {
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  max-height: 460px;
}
/* On the page that is only a REPL, the console takes the room the editor and
   the output pane take on the playground. */
.repl-container { min-height: calc(100vh - 4rem); }
.repl-full { flex: 1; min-height: 24rem; max-height: none; }
.repl:focus-within { border-color: var(--pink); }
#repl-log {
  flex: 1;
  overflow-y: auto;
  padding: 0.8rem 0.8rem 0;
  white-space: pre-wrap;
  word-break: break-word;
}
#repl-log .echo { color: var(--text); }
#repl-log .echo .prompt { color: var(--pink); user-select: none; }
#repl-log .out { color: var(--green); }
#repl-log .out.error { color: var(--red); }
#repl-log .note { color: var(--dim); font-style: italic; }
.repl-input-line { display: flex; align-items: baseline; gap: 0.4rem; padding: 0.4rem 0.8rem 0.8rem; }
#repl-prompt { color: var(--pink); user-select: none; }
#repl-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: inherit;
}
#repl-input:disabled { opacity: 0.5; }

#toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(1rem);
  background: var(--panel-bg);
  border: 1px solid var(--pink);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 0.4rem;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 40;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ------------------------------------------------------------------ *
 * Responsive
 * ------------------------------------------------------------------ */

@media (max-width: 860px) {
  .tutorial-layout { grid-template-columns: 1fr; }
  /* Stacked above the lesson, 36 links would be a long scroll before the
     reader reaches any content, so cap it and let it scroll internally. */
  .toc { position: static; max-height: 45vh; }
}
@media (max-width: 640px) {
  .example-group .group-label { min-width: 100%; }
  .hero { padding-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ------------------------------------------------------------------ *
 * Batteries page
 * ------------------------------------------------------------------ */

.bat-count { color: var(--dim); font-size: 0.85rem; margin-top: 0.8rem; }
.bat-list { margin-top: 1.4rem; }

.bat-card { margin-bottom: 1.4rem; }
.bat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.8rem;
}
.bat-head h2 { font-size: 1.3rem; }
.bat-chips { display: inline-flex; flex-wrap: wrap; gap: 0.4rem; }
.bat-chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.1rem 0.45rem;
  white-space: nowrap;
}
.bat-chip-license { color: var(--green); border-color: rgba(125, 235, 160, 0.4); }
.bat-desc { color: var(--text); font-size: 0.95rem; margin-top: 0.5rem; }

.bat-meta { margin-top: 0.9rem; display: grid; gap: 0.3rem; }
.bat-meta-row { display: flex; flex-wrap: wrap; gap: 0.4rem 0.7rem; font-size: 0.85rem; }
.bat-meta-key { color: var(--dim); min-width: 8rem; flex: 0 0 auto; }
.bat-meta-val { color: var(--text); word-break: break-word; }
.bat-meta-val a, .bat-provides a { color: var(--pink); }

.bat-provides { margin-top: 0.9rem; }
.bat-provides-grid {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.bat-mod {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--syn-type);
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  padding: 0.12rem 0.45rem;
}

.bat-readme { margin-top: 1.1rem; border-top: 1px solid var(--border); padding-top: 0.6rem; }
.bat-readme > summary {
  cursor: pointer;
  color: var(--pink);
  font-size: 0.9rem;
  font-weight: 600;
  list-style-position: inside;
}
.bat-readme > summary:hover { color: var(--syn-type); }
.bat-readme-body { margin-top: 0.8rem; }
.bat-readme-body h1,
.bat-readme-body h2,
.bat-readme-body h3 { margin: 1.1rem 0 0.5rem; line-height: 1.3; }
.bat-readme-body h2 { font-size: 1.05rem; color: var(--syn-type); }
.bat-readme-body h3 { font-size: 0.95rem; color: var(--text); }
.bat-readme-body p { color: var(--text); font-size: 0.9rem; margin: 0.5rem 0; line-height: 1.6; }
.bat-readme-body ul { margin: 0.5rem 0 0.5rem 1.2rem; }
.bat-readme-body li { color: var(--text); font-size: 0.9rem; margin: 0.25rem 0; line-height: 1.55; }
.bat-readme-body a { color: var(--pink); }
.bat-readme-body code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--syn-string);
  background: var(--console-bg);
  border-radius: 0.3rem;
  padding: 0.05rem 0.3rem;
}
.bat-readme-body pre {
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.8rem 0.9rem;
  overflow-x: auto;
  margin: 0.7rem 0;
}
.bat-readme-body pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.5;
}
.bat-readme-body blockquote {
  border-left: 3px solid var(--border);
  padding-left: 0.8rem;
  color: var(--dim);
  margin: 0.6rem 0;
}

.bat-empty { color: var(--dim); font-size: 0.9rem; margin-top: 1rem; }

@media (max-width: 640px) {
  .bat-meta-key { min-width: 100%; }
}

/* ------------------------------------------------------------------ *
 * Manual page
 * ------------------------------------------------------------------ */

.manual { min-width: 0; }
.manual > h1 { font-size: 1.7rem; margin: 0.25rem 0 0.6rem; }
.manual > .page-intro { max-width: 52rem; margin-bottom: 1.6rem; }

.manual-section { scroll-margin-top: 4.2rem; margin-bottom: 2.2rem; }
.manual-section > h2 {
  font-size: 1.25rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.8rem;
}
.manual-section > h2 a { color: var(--text); text-decoration: none; }
.manual-section > h2 a:hover { color: var(--pink); }

.manual-body { max-width: 52rem; }
.manual-body h3 {
  font-size: 1rem;
  color: var(--syn-type);
  margin: 1.3rem 0 0.5rem;
}
.manual-body p { margin: 0.6rem 0; }
.manual-body ul, .manual-body ol { margin: 0.6rem 0 0.6rem 1.4rem; }
.manual-body li { margin: 0.3rem 0; }
.manual-body strong { color: var(--text); }
.manual-body code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.05rem 0.3rem;
  color: var(--syn-string);
}
.manual-body pre {
  background: var(--console-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.7rem 0.9rem;
  margin: 0.7rem 0;
  overflow-x: auto;
}
.manual-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.55;
  white-space: pre;
}
.manual-body .manual-note {
  border-left: 2px solid var(--pink);
  padding-left: 0.8rem;
  color: var(--dim);
  font-size: 0.9rem;
}

/* Option / environment-variable reference tables. The first column is the
   flag, so it must not wrap mid-token; the description takes the rest. */
.opt-table { width: 100%; border-collapse: collapse; margin: 0.8rem 0; display: block; overflow-x: auto; }
.opt-table td {
  border-top: 1px solid var(--border);
  padding: 0.45rem 0.7rem 0.45rem 0;
  font-size: 0.9rem;
  vertical-align: baseline;
}
.opt-table td:first-child { white-space: nowrap; padding-right: 1.1rem; }