/* Shared styles of the guide pages (claude-code-codex/, wake-up/, compare/).
   Same tokens, fonts and shapes as index.html; dusk is the default theme and a
   visitor's saved choice (localStorage "murmur-theme") is applied by a tiny inline
   script in each page's <head>. Nothing here requires JavaScript. */
:root,
[data-theme="sand"] {
  --field: #f7f3ea;
  --raise: #efe9dc;
  --ink: #2a2521;
  --soft: #5d554c;
  --dim: #8b8177;
  --hair: #e0d8c8;
  --accent: #b5480d;
  --accent-ink: #ffffff;
  --accent-soft: rgba(181,72,13,.13);
}
[data-theme="dusk"] {
  --field: #141824;
  --raise: #1b2030;
  --ink: #e8eaf2;
  --soft: #aab0c4;
  --dim: #79819a;
  --hair: #2a3042;
  --accent: #f0a868;
  --accent-ink: #1a1508;
  --accent-soft: rgba(240,168,104,.14);
}
[data-theme="mint"] {
  --field: #f0f6f3;
  --raise: #e4ede8;
  --ink: #17302a;
  --soft: #4a6159;
  --dim: #7d938b;
  --hair: #d3e2da;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: rgba(15,118,110,.12);
}
:root {
  --gutter: clamp(20px, 4vw, 56px);
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--field);
  color: var(--ink);
  font-family: 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ——— header ——— */
header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--field) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hair);
}
.bar {
  max-width: 1280px; margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; justify-content: flex-start; gap: 28px;
}
.logo { font-size: 15px; letter-spacing: 3px; text-transform: uppercase; color: var(--ink); text-decoration: none; }
.bar nav { display: flex; gap: 18px; align-items: center; }
.topnav a { color: var(--soft); text-decoration: none; font-size: 14px; padding: 4px 0; border-bottom: 1px solid transparent; transition: color .16s ease, border-color .16s ease; }
.topnav a:hover, .topnav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
.controls { display: flex; gap: 10px; align-items: center; margin-left: auto; }
.controls .github { color: var(--soft); text-decoration: none; font-size: 14px; padding: 0 4px; }
.controls .github:hover { color: var(--ink); }
.language {
  display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
  min-width: 44px; height: 30px; border: 1px solid var(--hair); border-radius: 999px;
  color: var(--soft); background: transparent; font-size: 12px; font-weight: 700; letter-spacing: 1px; line-height: 1;
  transition: color .16s ease, border-color .16s ease, transform .16s ease;
}
.language:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
@media (max-width: 960px) { .bar nav.topnav { display: none; } }
/* Sections menu and back-to-top, the same controls as on the home page. */
.menu-button {
  width: 36px; height: 30px; padding: 0; border: 1px solid var(--hair); border-radius: 8px; background: transparent;
  display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; cursor: pointer;
  transition: border-color .16s ease, transform .16s ease;
}
.menu-button span { display: block; width: 16px; height: 2px; border-radius: 1px; background: var(--ink); transition: transform .16s ease, opacity .16s ease; }
.menu-button:hover { border-color: var(--accent); transform: translateY(-2px); }
.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.sections {
  position: absolute; top: calc(100% + 8px); right: max(var(--gutter), calc((100% - 1280px) / 2 + var(--gutter)));
  min-width: 280px; max-width: calc(100vw - 24px); display: flex; flex-direction: column; padding: 10px;
  background: var(--field); border: 1px solid var(--hair); border-radius: 14px; box-shadow: 0 18px 50px rgba(0,0,0,.28); z-index: 45;
}
.sections[hidden] { display: none; }
.sections a { color: var(--ink); text-decoration: none; padding: 9px 12px; border-radius: 8px; font-size: 14px; }
.sections a:hover { background: var(--raise); color: var(--accent); }
.sections a.sep { margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--hair); border-radius: 0 0 8px 8px; }
.totop {
  position: fixed; right: 18px; bottom: 18px; width: 44px; height: 44px; border-radius: 50%; z-index: 30;
  display: inline-flex; align-items: center; justify-content: center; text-decoration: none; font-size: 18px;
  background: var(--field); color: var(--ink); border: 1px solid var(--hair); box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: transform .16s ease, border-color .16s ease, color .16s ease;
}
.totop:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.totop[hidden] { display: none; }
.menu-button:focus-visible, .totop:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.bar nav a { color: var(--soft); text-decoration: none; font-size: 14px; }
.bar nav a:hover, .logo:hover { color: var(--accent); }

/* ——— zones ——— */
main { max-width: 1400px; margin: 0 auto; padding: 0 clamp(8px, 2vw, 24px); }
.zone { padding: clamp(48px, 7vw, 104px) 0; }
.zone.alt { background: var(--raise); border-radius: var(--r-lg); }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.tag { font-size: 14px; letter-spacing: 2px; color: var(--dim); display: block; margin-bottom: 16px; }
h1 { font-size: clamp(30px, 5vw, 64px); line-height: 1.04; font-weight: 700; letter-spacing: -1.6px; max-width: 22ch; }
h2 { font-size: clamp(24px, 3.2vw, 40px); font-weight: 700; letter-spacing: -1px; line-height: 1.1; max-width: 30ch; }
h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.lead { color: var(--soft); max-width: 68ch; margin-top: 22px; font-size: 17px; }
.updated { color: var(--dim); font-size: 14px; margin-top: 18px; }
.prose { max-width: 72ch; margin-top: clamp(20px, 2.6vw, 32px); }
.prose p, .prose ul, .prose ol { color: var(--soft); }
.prose p + p, .prose p + ul, .prose ul + p, .prose p + pre, .prose pre + p, .prose p + ol { margin-top: 14px; }
.prose ul { padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.prose b, .prose strong { color: var(--ink); }
.more { margin-top: 22px; color: var(--soft); font-size: 15px; max-width: 72ch; }

/* ——— cards ——— */
.facts { display: grid; gap: 16px; margin-top: clamp(22px, 3vw, 38px); }
@media (min-width: 820px) { .facts { grid-template-columns: 1fr 1fr; } }
.fact { padding: 22px; border: 1px solid var(--hair); border-radius: var(--r-md); background: var(--field); }
.zone:not(.alt) .fact { background: var(--raise); }
.fact p { font-size: 15px; color: var(--soft); }
.fact p + p { margin-top: 10px; }

/* ——— numbered steps ——— */
.steps { list-style: none; counter-reset: step; display: grid; gap: 24px; max-width: 72ch; margin-top: clamp(22px, 3vw, 38px); }
.steps li { counter-increment: step; position: relative; padding-left: 40px; }
.steps li::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-size: 13px; letter-spacing: 1px; line-height: 1.9; color: var(--dim);
}
.steps p { color: var(--soft); font-size: 15px; }
.steps p + p, .steps p + pre, .steps pre + p { margin-top: 10px; }

/* ——— code ——— */
code {
  font-family: inherit; font-size: 14px; background: var(--raise); border: 1px solid var(--hair);
  border-radius: 6px; padding: 1px 5px; overflow-wrap: anywhere;
}
.zone.alt code { background: var(--field); }
pre {
  margin-top: 12px; padding: 14px 16px; border: 1px solid var(--hair); border-radius: var(--r-sm);
  background: var(--raise); color: var(--soft); font-family: inherit; font-size: 13.5px; line-height: 1.65;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.zone.alt pre { background: var(--field); }
pre code { border: 0; background: transparent; padding: 0; font-size: inherit; }

/* ——— tables: a real table on wide screens, one card per row on phones ——— */
.table { margin-top: clamp(22px, 3vw, 38px); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 12px 12px; border-bottom: 1px solid var(--hair); }
thead th { font-size: 13px; letter-spacing: 1px; color: var(--dim); font-weight: 400; }
tbody th { color: var(--ink); }
th .dim { display: block; color: var(--dim); font-weight: 400; font-size: 13px; }
td { color: var(--soft); }
caption { caption-side: bottom; text-align: left; color: var(--dim); font-size: 13px; padding-top: 12px; }
@media (max-width: 640px) { .logo { letter-spacing: 2px; } .bar nav { gap: 10px; } .controls .github { display: none; } .sections { right: 12px; } .totop { right: 12px; bottom: 12px; width: 40px; height: 40px; } }
@media (max-width: 960px) {
  table, thead, tbody, tr, th, td, caption { display: block; width: 100%; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  tbody tr { border: 1px solid var(--hair); border-radius: var(--r-md); padding: 6px 16px 10px; margin-bottom: 14px; background: var(--field); }
  .zone:not(.alt) tbody tr { background: var(--raise); }
  tbody th { font-size: 16px; padding: 10px 0 6px; border-bottom: 1px solid var(--hair); }
  td { padding: 8px 0; border-bottom: 0; }
  td[data-label]::before { content: attr(data-label); display: block; font-size: 12px; letter-spacing: 1px; color: var(--dim); }
}

/* ——— questions ——— */
.qa { display: grid; gap: 16px; margin-top: clamp(22px, 3vw, 38px); }
@media (min-width: 820px) { .qa { grid-template-columns: 1fr 1fr; } }

/* ——— related guides ——— */
.related { display: grid; gap: 16px; margin-top: clamp(22px, 3vw, 38px); }
@media (min-width: 820px) { .related { grid-template-columns: repeat(3, 1fr); } }
.related a { display: block; padding: 20px 22px; border: 1px solid var(--hair); border-radius: var(--r-md); text-decoration: none; color: var(--ink); background: var(--raise); transition: .18s; }
.related a:hover { border-color: var(--accent); transform: translate(-2px,-2px); box-shadow: 3px 3px 0 var(--accent-soft); }
.related span { display: block; color: var(--soft); font-size: 14px; margin-top: 6px; }

footer { border-top: 1px solid var(--hair); }
footer .wrap { padding-top: 26px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: space-between; font-size: 14px; color: var(--soft); }
footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--hair); }

/* Phones: 16px side gutter, no horizontal scroll. */
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  main { padding: 0; }
  .zone { padding: 40px 0; }
  .zone.alt { border-radius: 0; }
  .bar nav { gap: 14px; }
  .logo { letter-spacing: 2px; }
  .steps li { padding-left: 34px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .related a { transition: none; } }