/* ============================================================
   Laser Lloyd — site styles
   "Shop floor, not showroom": dark, instrument-panel, electric-blue
   beam accent + working amber. Mobile-first. Zero external deps.
   Fonts: Inter (body) + Space Grotesk (display) — both OFL, self-hosted.
   ============================================================ */
@font-face { font-family:"Inter"; font-style:normal; font-weight:400; font-display:swap; src:url("/assets/fonts/inter-400.woff2") format("woff2"); }
@font-face { font-family:"Inter"; font-style:normal; font-weight:500; font-display:swap; src:url("/assets/fonts/inter-500.woff2") format("woff2"); }
@font-face { font-family:"Inter"; font-style:normal; font-weight:600; font-display:swap; src:url("/assets/fonts/inter-600.woff2") format("woff2"); }
@font-face { font-family:"Inter"; font-style:normal; font-weight:700; font-display:swap; src:url("/assets/fonts/inter-700.woff2") format("woff2"); }
@font-face { font-family:"Space Grotesk"; font-style:normal; font-weight:500; font-display:swap; src:url("/assets/fonts/spacegrotesk-500.woff2") format("woff2"); }
@font-face { font-family:"Space Grotesk"; font-style:normal; font-weight:600; font-display:swap; src:url("/assets/fonts/spacegrotesk-600.woff2") format("woff2"); }
@font-face { font-family:"Space Grotesk"; font-style:normal; font-weight:700; font-display:swap; src:url("/assets/fonts/spacegrotesk-700.woff2") format("woff2"); }
:root {
  --bg-0:#080a0d;
  --bg-1:#0d1116;
  --bg-2:#12171e;
  --bg-3:#171e27;
  --bg-4:#1e2732;
  --line:#242e3a;
  --ink:#eaf1f8;
  --muted:#9aabbc;
  --muted-2:#6f8496;
  --accent:#2ea8ff;      /* laser blue (brand) */
  --accent-2:#00e6cf;    /* cyan glow */
  --amber:#ffb64a;       /* money / pro-tip / highlight */
  --amber-ink:#1d1305;   /* text on amber */
  --danger:#ff6b6b;      /* safety */
  --ok:#4ade80;
  --maxw:1120px;
  --gutter:20px;
  --radius:14px;
  --shadow:0 10px 34px rgba(0,0,0,.45);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;
  /* theme-dependent derived colors (light theme overrides all of these) */
  --on-accent:#00121f;            /* text on accent-filled buttons */
  --accent-hover:#4fb6ff;
  --amber-hover:#ffc670;
  --prose-body:#dbe6f0;           /* body copy inside .prose */
  --header-bg:rgba(8,10,13,.86);
  --accent-soft:rgba(46,168,255,.10);
  --accent2-soft:rgba(0,230,207,.08);
  --amber-soft:rgba(255,182,74,.06);
  --danger-soft:rgba(255,107,107,.06);
  --row-alt:rgba(255,255,255,.02);
  --total-row-bg:rgba(255,182,74,.07);
  --glow-accent:rgba(46,168,255,.35);
  --glow-amber:rgba(255,182,74,.4);
  /* Donate CTA "plate": bright amber plate; the label is knocked out to the
     page background (color:var(--bg-0)) so it reads as the page punched through.
     Light theme darkens the plate so the near-white cut-out stays legible. */
  --cta-plate:#ffc24d;
  --cta-plate-hover:#ffce6e;
  --cta-plate-shadow:0 2px 9px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.22);
  --cta-plate-shadow-hover:0 7px 18px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.55);
  --caption-fade:rgba(8,10,13,.92);
  color-scheme:dark;
}
/* ---------- Light theme (dark stays the default) ----------
   Toggled by the nav button; persisted in localStorage("theme");
   a pre-paint snippet in <head> sets data-theme before first render. */
html[data-theme="light"] {
  --bg-0:#f2f5f9;
  --bg-1:#f8fafc;
  --bg-2:#ffffff;
  --bg-3:#e9eef5;
  --bg-4:#dfe6ee;
  --line:#d3dce6;
  --ink:#16212c;
  --muted:#546675;
  --muted-2:#6d7f8e;
  --accent:#0b78d0;       /* darkened for contrast on white */
  --accent-2:#0a8f80;
  --amber:#f5a623;
  --amber-ink:#241703;
  --danger:#d64545;
  --ok:#15803d;
  --shadow:0 10px 30px rgba(20,35,50,.12);
  --on-accent:#ffffff;
  --accent-hover:#0d69b4;
  --amber-hover:#e2960f;
  --prose-body:#2e3d4a;
  --header-bg:rgba(242,245,249,.88);
  --accent-soft:rgba(11,120,208,.10);
  --accent2-soft:rgba(10,143,128,.10);
  --amber-soft:rgba(245,166,35,.12);
  --danger-soft:rgba(214,69,69,.08);
  --row-alt:rgba(20,35,50,.03);
  --total-row-bg:rgba(245,166,35,.16);
  --glow-accent:rgba(11,120,208,.25);
  --glow-amber:rgba(226,150,15,.35);
  /* deep gold so the near-white knockout (var(--bg-0)) clears AA (4.66:1) */
  --cta-plate:#96640a;
  --cta-plate-hover:#845608;
  --cta-plate-shadow:0 2px 8px rgba(70,45,0,.26), inset 0 1px 0 rgba(255,255,255,.28), inset 0 -1px 0 rgba(0,0,0,.15);
  --cta-plate-shadow-hover:0 7px 16px rgba(70,45,0,.3), inset 0 1px 0 rgba(255,255,255,.32);
  --caption-fade:rgba(248,250,252,.92);
  color-scheme:light;
}
html[data-theme="light"] body {
  background:
    repeating-linear-gradient(-45deg, rgba(84,102,117,.02) 0 1px, transparent 1px 7px),
    radial-gradient(1100px 520px at 80% -10%, rgba(11,120,208,.07), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(10,143,128,.05), transparent 55%),
    var(--bg-0);
}
/* Japanese pages: add JP system fonts to the fallback stacks, drop the
   tight latin letter-spacing that breaks kana/kanji rhythm. */
:lang(ja) {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Hiragino Sans", "Noto Sans CJK JP", "Yu Gothic UI", sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, "Hiragino Sans", "Noto Sans CJK JP", "Yu Gothic UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, "Hiragino Sans", "Noto Sans CJK JP", "Yu Gothic UI", monospace;
}
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { letter-spacing:0; }
/* Chinese pages: same treatment with Simplified-Chinese system fonts */
:lang(zh) {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing:0; }
/* Arabic pages render dir="rtl" from the html attribute (set by base.html).
   Bidi text flow is handled by the browser automatically; the overrides
   below flip the physical (not logical) left/right properties used
   elsewhere in this file so the header, prose accents, lists, tables and
   TOC read naturally right-to-left instead of staying pinned to their
   LTR sides. Purely decorative fixed-corner elements (back-to-top FAB,
   modal close button, featured-card ribbon) are left alone on purpose —
   a fixed corner badge reads fine in either direction. */
html[dir="rtl"] .skip-link { left:auto; right:-9999px; }
html[dir="rtl"] .skip-link:focus { left:auto; right:12px; }
html[dir="rtl"] .brand { margin-right:0; margin-left:auto; }
html[dir="rtl"] .lang-menu > ul { right:auto; left:0; }
html[dir="rtl"] .nav-toggle { margin-left:0; margin-right:auto; }
html[dir="rtl"] .spec-plate .spec-cell { border-left:0; border-right:1px solid var(--line); }
html[dir="rtl"] .spec-plate .spec-cell:first-child { border-right:0; }
html[dir="rtl"] .prose ul, html[dir="rtl"] .prose ol { padding-left:0; padding-right:22px; }
html[dir="rtl"] .prose blockquote, html[dir="rtl"] .prose .wp-block-quote {
  border-left:0; border-right:3px solid var(--accent); border-radius:10px 0 0 10px;
}
html[dir="rtl"] .prose th, html[dir="rtl"] .prose td { text-align:right; }
html[dir="rtl"] .callout {
  border-left:0; border-right:3px solid var(--amber); border-radius:10px 0 0 10px;
}
html[dir="rtl"] .callout.safety { border-right-color:var(--danger); }
html[dir="rtl"] .callout.implement-box { border-right-color:var(--accent); }
html[dir="rtl"] .toc a { border-left:0; border-right:2px solid var(--line); }
html[dir="rtl"] .toc a:hover { border-right-color:var(--accent); }
html[dir="rtl"] .implement-box .setup-split ul { padding-left:0; padding-right:20px; }
html[dir="rtl"] .copy-btn { right:auto; left:8px; }
html[dir="rtl"] .pre-wrap > pre { padding-right:0; }
@media (hover:none) {
  html[dir="rtl"] .pre-wrap > pre { padding-left:78px; padding-right:0; }
}

h1, h2, h3, .brand .word b { font-family:var(--display); }
h1, h2, h3 { text-wrap:balance; }

* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:
    repeating-linear-gradient(-45deg, rgba(154,171,188,.014) 0 1px, transparent 1px 7px),
    radial-gradient(1100px 520px at 80% -10%, rgba(46,168,255,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(0,230,207,.06), transparent 55%),
    var(--bg-0);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img { max-width:100%; height:auto; }
a { color:var(--accent); text-decoration:none; }
a:hover { text-decoration:underline; }
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }
.container { max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }
/* bare rules render as cut-lines site-wide */
hr {
  border:0; height:2px; margin:30px 0;
  background:repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
}
.skip-link { position:absolute; left:-9999px; }
.skip-link:focus { left:12px; top:12px; z-index:1000; background:var(--accent); color:var(--on-accent); padding:8px 12px; border-radius:8px; }

/* ---------- Header / nav ---------- */
.site-header {
  position:sticky; top:0; z-index:50;
  background:var(--header-bg);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav { display:flex; align-items:center; gap:16px; padding:12px 0; }
.brand { display:flex; align-items:center; gap:12px; margin-right:auto; }
.brand img { height:40px; width:auto; display:block; }
.brand .word { display:flex; flex-direction:column; line-height:1.05; }
.brand .word b { font-size:17px; letter-spacing:.02em; }
.brand .word span { font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.14em; }
:lang(ja) .brand .word span { letter-spacing:.04em; }
.nav-links { display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.nav-links a {
  color:var(--ink); font-size:14.5px; font-weight:500;
  padding:8px 11px; border-radius:9px; white-space:nowrap;
}
.nav-links a:hover { background:var(--bg-3); text-decoration:none; }
.nav-links a[aria-current="page"] { color:var(--accent); background:var(--accent-soft); }
/* Donate CTA — a solid amber "plate" set on top of the page, with the label
   knocked out so the letters take the page-background colour (var(--bg-0)) and
   read as the page showing through the plate. The plate darkens on the light
   theme so the near-white cut-out stays readable (audit A2: nav-cta legibility). */
.nav-cta, .nav-links a.nav-cta {
  background:var(--cta-plate); color:var(--bg-0);
  font-weight:800; letter-spacing:.015em;
  padding:8px 16px; border-radius:11px;
  box-shadow:var(--cta-plate-shadow);
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.nav-links a.nav-cta:hover {
  background:var(--cta-plate-hover); color:var(--bg-0);
  transform:translateY(-1px); box-shadow:var(--cta-plate-shadow-hover);
}
.nav-links a.nav-cta:active { transform:translateY(0); box-shadow:var(--cta-plate-shadow); }
.nav-links a.nav-cta[aria-current="page"] {
  background:var(--cta-plate); color:var(--bg-0);
  box-shadow:var(--cta-plate-shadow), 0 0 0 2px var(--glow-amber);
}
/* Language toggle */
.nav-links a.lang-switch {
  border:1px solid var(--line); font-family:var(--mono); font-size:12.5px;
  letter-spacing:.05em; color:var(--muted); padding:7px 10px;
}
.nav-links a.lang-switch:hover { color:var(--accent); border-color:var(--accent); background:transparent; }
/* Multi-language menu (renders when 3+ languages are enabled; with exactly
   two the nav falls back to the single toggle link above) */
.lang-menu { position:relative; }
.lang-menu > summary.lang-switch {
  list-style:none; cursor:pointer; display:inline-block; border-radius:9px;
  border:1px solid var(--line); font-family:var(--mono); font-size:12.5px;
  letter-spacing:.05em; color:var(--muted); padding:7px 10px;
}
.lang-menu > summary::-webkit-details-marker { display:none; }
.lang-menu > summary.lang-switch:hover { color:var(--accent); border-color:var(--accent); }
.lang-menu > ul {
  position:absolute; right:0; top:calc(100% + 6px); z-index:60;
  margin:0; padding:6px; list-style:none; min-width:140px;
  background:var(--bg-2); border:1px solid var(--line); border-radius:10px;
  box-shadow:var(--shadow);
}
.lang-menu > ul a {
  display:block; padding:7px 10px; border-radius:7px;
  color:var(--ink); font-size:14px;
}
.lang-menu > ul a:hover { background:var(--bg-3); text-decoration:none; }
/* dark/light theme toggle: shows the theme you'd switch TO */
.theme-toggle {
  background:transparent; border:1px solid var(--line); border-radius:9px;
  padding:7px 9px; cursor:pointer; color:var(--muted);
  display:inline-flex; align-items:center; justify-content:center;
}
.theme-toggle:hover { color:var(--accent); border-color:var(--accent); }
.theme-toggle svg { width:17px; height:17px; display:block; }
.theme-toggle .icon-moon { display:none; }
html[data-theme="light"] .theme-toggle .icon-moon { display:block; }
html[data-theme="light"] .theme-toggle .icon-sun { display:none; }
@media (max-width:860px){ .theme-toggle { align-self:flex-start; margin-top:6px; } }
.nav-toggle {
  display:none; margin-left:auto; background:transparent; border:1px solid var(--line);
  border-radius:9px; padding:9px 10px; cursor:pointer;
}
.nav-toggle span { display:block; width:20px; height:2px; background:var(--ink); margin:4px 0; border-radius:2px; }

@media (max-width:860px){
  .nav-toggle { display:block; }
  .nav-links {
    display:none; position:absolute; left:0; right:0; top:100%;
    flex-direction:column; align-items:stretch; gap:2px;
    background:var(--bg-1); border-bottom:1px solid var(--line);
    padding:10px var(--gutter) 16px;
    box-shadow:var(--shadow);
  }
  .nav-links.open { display:flex; }
  /* header STAYS sticky on mobile (audit: nav scrolled away on 10k-px posts) */
}

/* ---------- Cut-line motif ---------- */
/* A dashed "cut path" with a beam dot — the site's one decorative move. */
.divider {
  border:0; height:14px; margin:0; position:relative; background:none;
}
.divider::before {
  content:""; position:absolute; left:50%; top:6px; transform:translateX(-50%);
  width:min(92%, var(--maxw)); height:2px;
  background:repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
}
.divider::after {
  content:""; position:absolute; top:2px; left:calc(50% - min(46%, 560px));
  width:10px; height:10px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 10px var(--glow-accent);
}

/* ---------- Hero ---------- */
.hero { padding:56px 0 40px; position:relative; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:minmax(0,7fr) minmax(0,5fr); gap:40px; align-items:center; }
@media (max-width:900px){ .hero-grid { grid-template-columns:1fr; gap:28px; } }
.hero .kicker {
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:.18em;
  color:var(--accent-2); margin-bottom:14px;
}
:lang(ja) .hero .kicker { letter-spacing:.08em; }
.hero .kicker::before { content:""; width:26px; height:2px; background:repeating-linear-gradient(90deg, var(--accent-2) 0 6px, transparent 6px 10px); display:inline-block; }
.hero h1 { font-size:clamp(34px,5.4vw,54px); line-height:1.05; margin:0 0 16px; letter-spacing:-.02em; }
.hero h1 .glow { color:var(--accent); text-shadow:0 0 18px var(--glow-accent); }
.hero p.lede { font-size:clamp(16px,2.3vw,19px); color:var(--muted); max-width:640px; margin:0 0 26px; }
.hero-cta { display:flex; flex-wrap:wrap; gap:12px; }
/* right-side work photo, framed like a job on the bed */
.hero-photo { position:relative; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--bg-2); box-shadow:var(--shadow); }
.hero-photo img { display:block; width:100%; aspect-ratio:4/3; object-fit:cover; }
.hero-photo figcaption {
  position:absolute; left:0; right:0; bottom:0; padding:8px 14px;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); background:linear-gradient(180deg, transparent, var(--caption-fade) 45%);
}
.hero-photo::after {
  content:""; position:absolute; inset:10px; border:1px dashed var(--glow-accent);
  border-radius:8px; pointer-events:none;
}
@media (max-width:900px){ .hero-photo { max-width:560px; } }

/* ---------- Buttons ---------- */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 20px; border-radius:11px; font-weight:600; font-size:15px;
  border:1px solid transparent; cursor:pointer;
}
.btn-primary { background:var(--accent); color:var(--on-accent); }
.btn-primary:hover { background:var(--accent-hover); text-decoration:none; }
.btn-ghost { background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover { border-color:var(--accent); color:var(--accent); text-decoration:none; }
.btn-donate { background:var(--amber); color:var(--amber-ink); }
.btn-donate:hover { background:var(--amber-hover); text-decoration:none; color:var(--amber-ink); }

/* ---------- Sections ---------- */
.section { padding:44px 0; }
.section-head { margin:0 0 22px; }
.section-head h1, .section-head h2 { font-size:clamp(24px,3.4vw,32px); margin:0 0 6px; letter-spacing:-.01em; }
.section-head p { color:var(--muted); margin:0; max-width:640px; }

/* ---------- Project cards ---------- */
.cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
@media (max-width:900px){ .cards { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:560px){ .cards { grid-template-columns:1fr; } }
.card {
  display:flex; flex-direction:column; background:var(--bg-2);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover { transform:translateY(-3px); border-color:var(--accent); box-shadow:var(--shadow); text-decoration:none; }
.card .thumb { aspect-ratio:16/10; background:var(--bg-4); overflow:hidden; }
.card .thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.card .thumb.placeholder { display:grid; place-items:center; color:var(--muted-2); font-size:13px; letter-spacing:.1em; text-transform:uppercase; background:linear-gradient(135deg,var(--bg-3),var(--bg-4)); }
.card .body { padding:15px 16px 18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.card .tag {
  align-self:flex-start; font-size:11px; text-transform:uppercase; letter-spacing:.12em;
  color:var(--accent-2); background:var(--accent2-soft); padding:3px 9px; border-radius:999px;
}
:lang(ja) .card .tag { letter-spacing:.04em; }
.card h3 { margin:0; font-size:18px; color:var(--ink); line-height:1.25; }
.card p { margin:0; color:var(--muted); font-size:14px; }
/* spec-plate meta line: mono, like a machine nameplate */
.card .meta {
  margin-top:auto; font-family:var(--mono); font-size:11.5px; letter-spacing:.09em;
  text-transform:uppercase; color:var(--muted-2);
}
/* category pages already say the category twice — hide the per-card pill there */
.cards.no-tags .tag { display:none; }

.empty-note {
  background:var(--bg-2); border:1px dashed var(--line); border-radius:var(--radius);
  padding:26px; color:var(--muted); text-align:center;
}

/* ---------- Article (project post) ---------- */
.article { padding:34px 0 60px; }
.article-header { margin:0 0 26px; }
.breadcrumb { font-size:13px; color:var(--muted-2); margin:0 0 14px; }
.breadcrumb a { color:var(--muted); }
.article-header .tag {
  display:inline-block; font-size:11px; text-transform:uppercase; letter-spacing:.12em;
  color:var(--accent-2); background:var(--accent2-soft); padding:4px 10px; border-radius:999px; margin-bottom:12px;
}
.article-header h1 { font-size:clamp(28px,4.6vw,44px); line-height:1.08; margin:0 0 14px; letter-spacing:-.02em; }
/* spec-plate: post meta as a machine nameplate (dl > .spec-cell > dt+dd) */
.spec-plate {
  display:inline-flex; flex-wrap:wrap; gap:0; align-items:stretch; margin:0;
  font-family:var(--mono); background:var(--bg-2); border:1px solid var(--line);
  border-radius:10px; overflow:hidden;
}
.spec-plate .spec-cell { padding:8px 16px 9px; border-left:1px solid var(--line); }
.spec-plate .spec-cell:first-child { border-left:0; }
.spec-plate dt {
  font-size:10px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted-2); margin:0 0 2px;
}
.spec-plate dd { margin:0; font-size:13px; color:var(--ink); letter-spacing:.03em; }
.spec-plate dd a { color:var(--accent-2); text-decoration:none; }
.spec-plate dd a:hover { text-decoration:underline; }
:lang(ja) .spec-plate dt { letter-spacing:.06em; }
.article-header .date { color:var(--muted-2); font-size:14px; }
.article-hero { border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); margin:0 0 30px; }
.article-hero img { width:100%; display:block; }

/* readable measure: ~70ch at 17px (audit P1) */
.container.narrow { max-width:768px; }
.prose { font-size:17px; line-height:1.7; }
.prose > *:first-child { margin-top:0; }
.prose h2 { font-size:25px; margin:40px 0 12px; letter-spacing:-.01em; padding-top:6px; }
.prose h3 { font-size:20px; margin:28px 0 10px; }
/* cut-dash marker instead of the solid SaaS dash */
.prose h2::before {
  content:""; display:block; width:56px; height:3px; margin-bottom:12px; border-radius:2px;
  background:repeating-linear-gradient(90deg, var(--accent) 0 9px, transparent 9px 15px);
}
.prose p { margin:0 0 16px; color:var(--prose-body); }
.prose a { color:var(--accent); text-decoration:underline; text-underline-offset:2px; }
.prose ul, .prose ol { margin:0 0 18px; padding-left:22px; }
.prose li { margin:6px 0; }
.prose .has-large-font-size { font-size:19px; color:var(--ink); }
.prose strong { color:var(--ink); }
.prose hr { border:0; height:2px; margin:34px 0; background:repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px); }
/* WP posts stack their own <hr> right above an h2 → collapse the double rule */
.prose hr + h2::before { display:none; }

/* images: consistent frame, capped height, centered (audit P1 #13) */
.prose figure, .prose .wp-block-image { margin:24px 0; }
.prose figure img, .prose .wp-block-image img, .prose p > img {
  display:block; margin-inline:auto; max-height:560px; width:auto; max-width:100%;
  border-radius:10px; border:1px solid var(--line); background:var(--bg-2);
}
.prose figure figcaption, .prose .wp-block-image figcaption { color:var(--muted-2); font-size:13px; text-align:center; margin-top:8px; }

/* legacy WP columns: grid override kills the 33%+66%+gap overflow (audit A3) */
.prose .wp-block-columns { display:grid; grid-template-columns:minmax(130px,1fr) 2fr; gap:20px; margin:22px 0; align-items:start; }
.prose .wp-block-column { min-width:0; }
.prose .wp-block-column figure { margin-top:0; margin-bottom:0; }
.prose .wp-block-column img { width:100%; max-width:240px; max-height:240px; object-fit:contain; }
.prose .wp-block-column ul:last-child, .prose .wp-block-column p:last-child { margin-bottom:0; }
@media (max-width:640px){
  .prose .wp-block-columns { grid-template-columns:1fr; }
  .prose .wp-block-column img { margin-inline:0; }
}

/* new-content two-column rows (writer class per spec) */
.prose .cols { display:grid; grid-template-columns:minmax(130px,1fr) 2fr; gap:20px; margin:22px 0; align-items:start; }
.prose .cols > * { min-width:0; margin-top:0; }
.prose .cols figure { margin:0; }
@media (max-width:640px){ .prose .cols { grid-template-columns:1fr; } }

/* inline SVG diagrams (writer-authored flowcharts) */
.prose .diagram {
  margin:26px 0; padding:20px 18px; background:var(--bg-1);
  border:1px solid var(--line); border-radius:var(--radius);
}
.prose .diagram svg { display:block; width:100%; height:auto; font-family:var(--font); }
.prose .diagram figcaption { margin-top:12px; }

/* wp group */
.prose .wp-block-group { margin:18px 0; }
.prose .wp-block-list { list-style:disc; }

/* quotes / pullquote / details ---------------------------------- */
.prose blockquote, .prose .wp-block-quote {
  margin:22px 0; padding:14px 20px; border-left:3px solid var(--accent);
  background:var(--bg-2); border-radius:0 10px 10px 0; color:var(--muted);
}
.prose .wp-block-pullquote {
  margin:26px 0; padding:22px 24px; border:1px solid var(--line); border-radius:var(--radius);
  background:linear-gradient(180deg,var(--accent-soft),transparent); text-align:center;
}
.prose .wp-block-pullquote blockquote { border:0; background:none; padding:0; margin:0; color:var(--ink); }
.prose .wp-block-pullquote cite { color:var(--muted-2); font-style:normal; display:block; margin-top:8px; }
.prose details, .prose .wp-block-details {
  margin:20px 0; border:1px solid var(--line); border-radius:12px; background:var(--bg-2); padding:0 16px;
}
.prose details[open], .prose .wp-block-details[open] { padding-bottom:8px; }
.prose summary {
  cursor:pointer; padding:14px 4px; font-weight:600; color:var(--accent); list-style:none;
}
.prose summary::-webkit-details-marker { display:none; }
.prose summary::before { content:"▸ "; color:var(--accent); }
.prose details[open] > summary::before { content:"▾ "; }

/* the accordion tutorial post ships its own .ll-acc <style>; keep our
   generic details skin off of it */
.prose .ll-acc details { margin:0; border:0; border-radius:0; background:none; padding:0; }
.prose .ll-acc details[open] { padding-bottom:0; }
.prose .ll-acc summary { color:var(--ink); padding:14px 18px; }
.prose .ll-acc summary::before, .prose .ll-acc details[open] > summary::before { content:none; }

/* photo galleries (writer-authored) */
.prose .gallery { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:14px; align-items:start; margin:24px 0; }
.prose .gallery figure { margin:0; }
.prose .gallery img { width:100%; max-height:none; object-fit:cover; }

/* muted footnote lines / related-searches tail */
.prose .muted, .related-searches { color:var(--muted-2); }
.prose .small { font-size:13.5px; }
.related-searches { font-size:13px; margin-top:34px; }
/* the post template renders its own related-searches from frontmatter
   keywords — hide writer-authored duplicates inside the body */
.prose .related-searches { display:none; }

/* tables: spec-sheet treatment (audit A9 + P1 #12) --------------- */
.table-wrap { overflow-x:auto; margin:22px 0; }
.table-wrap > table { margin:0; }
.prose table {
  width:100%; border-collapse:collapse; margin:22px 0; font-size:14.5px;
  font-variant-numeric:tabular-nums;
}
.prose th, .prose td { border:1px solid var(--line); padding:9px 12px; text-align:left; }
.prose th { background:var(--bg-3); font-family:var(--display); font-size:13.5px; letter-spacing:.04em; }
.prose td { color:var(--prose-body); }
.prose tbody tr:nth-child(even) td { background:var(--row-alt); }
/* WP emitted td-headers instead of th — style the first row when no th exists */
.prose table:not(:has(th)) tr:first-child td {
  background:var(--bg-3); font-weight:600; color:var(--ink);
  font-family:var(--display); font-size:13.5px;
}
/* totals row convention: <tr class="total"> gets the amber highlight */
.prose tr.total td { background:var(--total-row-bg); color:var(--ink); font-weight:600; }

/* code */
.prose code, .prose .wp-block-code {
  font-family:var(--mono); font-size:.92em; background:var(--bg-3); border:1px solid var(--line);
  border-radius:6px; padding:1px 6px;
}
/* long unbroken tokens (env vars, paths) must wrap, not overflow, on narrow screens */
.prose :not(pre) > code { overflow-wrap:anywhere; }
.prose pre { display:block; margin:0 0 18px; }
.prose pre, .prose .wp-block-code { padding:14px 16px; overflow-x:auto; border-radius:10px; background:var(--bg-1); border:1px solid var(--line); }
.prose pre code { background:none; border:0; padding:0; font-size:13.5px; line-height:1.6; }
/* copy-to-clipboard buttons (injected by main.js on .prose pre blocks) */
.pre-wrap { position:relative; margin:0 0 18px; }
.pre-wrap > pre { margin:0; }
.copy-btn {
  position:absolute; top:8px; right:8px;
  font:600 12px/1 var(--font);
  color:var(--muted); background:var(--bg-3);
  border:1px solid var(--line); border-radius:8px;
  padding:6px 10px; cursor:pointer;
  opacity:0; transition:opacity .15s ease, color .15s ease, border-color .15s ease;
}
.pre-wrap:hover .copy-btn, .copy-btn:focus-visible, .copy-btn.copied { opacity:1; }
.copy-btn:hover { color:var(--ink); border-color:var(--accent); }
.copy-btn.copied { color:var(--ok); border-color:var(--ok); }
@media (hover:none) {
  .copy-btn { opacity:1; }
  .pre-wrap > pre { padding-right:78px; }
}
.prose .wp-block-button__link, .prose .wp-element-button {
  display:inline-block; background:var(--accent); color:var(--on-accent); font-weight:600;
  padding:10px 18px; border-radius:10px; text-decoration:none; margin:6px 0;
}
/* buttons dropped inside .prose must not inherit link styling (audit A1) */
.prose .btn, .prose a.btn { text-decoration:none; }
.prose .btn-primary, .prose a.btn-primary { color:var(--on-accent); }
.prose .btn-donate, .prose a.btn-donate { color:var(--amber-ink); }
.prose .btn-ghost, .prose a.btn-ghost { color:var(--ink); }
.prose .btn-ghost:hover, .prose a.btn-ghost:hover { color:var(--accent); }

/* callouts (tl;dr, pro-tip, safety) */
.callout {
  border:1px solid var(--line); border-left:3px solid var(--amber);
  background:var(--amber-soft); padding:16px 20px; border-radius:0 10px 10px 0; margin:20px 0;
}
.callout.safety { border-left-color:var(--danger); background:var(--danger-soft); }
.callout > :first-child { margin-top:0; }
.callout > :last-child { margin-bottom:0; }
.callout ul { margin-bottom:0; }

/* download box (tools posts) — section > h2 + ul.download-list + p.download-note */
.download-box {
  margin:30px 0 26px; padding:20px 22px;
  background:var(--bg-2); border:1px dashed var(--accent); border-radius:var(--radius);
}
.download-box h2 { margin:0 0 14px; font-size:19px; padding-top:0; }
.download-box h2::before { display:none; }
.download-list { list-style:none; margin:0 0 12px; padding:0; }
.download-list li { display:flex; flex-wrap:wrap; align-items:center; gap:10px 14px; margin:10px 0; }
.download-list .btn { text-decoration:none; }
.download-size { font-family:var(--mono); font-size:12px; letter-spacing:.06em; color:var(--muted-2); text-transform:uppercase; }
.download-note { margin:0; color:var(--muted); font-size:14px; }

/* table of contents ----------------------------------------------
   markup: nav.toc > details.toc-box > summary.toc-title + ol
   default (mobile/narrow): collapsible box above the article.
   ≥1100px inside .article-layout.has-toc: sticky right rail
   (JS opens the details on wide screens). */
.toc { margin:0 0 26px; }
.toc ol, .toc ul { list-style:none; margin:0; padding:0; }
.toc li { margin:0; }
.toc a {
  display:block; padding:6px 12px; font-size:13.5px; line-height:1.45; color:var(--muted);
  border-left:2px solid var(--line); text-decoration:none;
}
.toc a:hover { color:var(--accent); border-left-color:var(--accent); text-decoration:none; }
.toc-box {
  border:1px solid var(--line); border-radius:12px; background:var(--bg-2); padding:0 16px;
}
.toc-box[open] { padding-bottom:12px; }
summary.toc-title {
  cursor:pointer; padding:13px 2px; list-style:none; margin:0;
  font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--muted); font-weight:600;
}
summary.toc-title::-webkit-details-marker { display:none; }
summary.toc-title::before { content:"▸ "; color:var(--accent); }
.toc-box[open] summary.toc-title::before { content:"▾ "; }
:lang(ja) summary.toc-title { letter-spacing:.06em; }

@media (min-width:1100px){
  /* widen the post container and hang the TOC in a sticky right rail */
  .container.narrow.with-toc { max-width:1088px; }
  .container.narrow.with-toc > .article-header,
  .container.narrow.with-toc > .article-hero,
  .container.narrow.with-toc > .related-searches,
  .container.narrow.with-toc > hr,
  .container.narrow.with-toc > .post-foot { max-width:calc(100% - 278px); margin-left:0; margin-right:0; }
  .article-layout.has-toc {
    display:grid; grid-template-columns:minmax(0,1fr) 234px; gap:44px; align-items:start;
  }
  .article-layout.has-toc > .toc { grid-column:2; grid-row:1; margin:0; height:100%; }
  .article-layout.has-toc > .prose { grid-column:1; grid-row:1; min-width:0; }
  .article-layout.has-toc .toc-box {
    position:sticky; top:86px; max-height:calc(100vh - 110px); overflow-y:auto;
    border:0; background:none; padding:0; border-radius:0;
  }
  .article-layout.has-toc summary.toc-title { pointer-events:none; padding:0 0 10px 12px; }
  .article-layout.has-toc summary.toc-title::before { content:""; }
  .article-layout.has-toc .toc-box[open] summary.toc-title::before { content:""; }
}

/* generic prose panel used on info pages */
.panel {
  background:var(--bg-2); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 28px; box-shadow:var(--shadow); position:relative;
}
/* crosshair registration mark, top-right of panels */
.panel::after {
  content:""; position:absolute; top:12px; right:12px; width:14px; height:14px; opacity:.5;
  background:
    linear-gradient(var(--muted-2), var(--muted-2)) 50% 0/2px 5px no-repeat,
    linear-gradient(var(--muted-2), var(--muted-2)) 50% 100%/2px 5px no-repeat,
    linear-gradient(var(--muted-2), var(--muted-2)) 0 50%/5px 2px no-repeat,
    linear-gradient(var(--muted-2), var(--muted-2)) 100% 50%/5px 2px no-repeat;
}

/* sponsor tiers (legacy, kept while content uses it) */
.tiers { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin:22px 0; }
@media (max-width:640px){ .tiers { grid-template-columns:1fr; } }
.tier { background:var(--bg-2); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px; }
.tier h3 { margin:0 0 6px; font-size:17px; color:var(--accent); }
.tier .price { font-size:13px; color:var(--amber); font-weight:600; margin-bottom:6px; }
.tier p { margin:0; color:var(--muted); font-size:14px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top:1px solid var(--line); margin-top:40px; padding:34px 0 42px;
  background:var(--bg-1); color:var(--muted);
}
.footer-grid { display:flex; flex-wrap:wrap; gap:18px 24px; justify-content:space-between; align-items:center; }
.footer-brand { display:flex; align-items:center; gap:12px; color:var(--ink); }
.footer-brand img { height:34px; }
.footer-links { display:flex; flex-wrap:wrap; gap:14px 16px; font-size:14px; align-items:center; }
.footer-links a { color:var(--muted); }
.footer-links a.footer-mail { font-family:var(--mono); font-size:13px; }
.footer-tag { font-style:italic; color:var(--muted-2); margin:14px 0 0; font-size:14px; }
.footer-llm { margin-top:16px; font-size:12.5px; color:var(--muted-2); border-top:1px solid var(--line); padding-top:14px; }
.footer-llm a { color:var(--muted); text-decoration:underline; text-underline-offset:2px; }
.footer-legal { margin-top:12px; font-size:12.5px; color:var(--muted-2); }
/* dedicated AI-assistant section — plain-text URLs on purpose (survives
   HTML scrubbers / text extraction that drop href attributes) */
.footer-ai { margin-top:14px; border-top:1px dashed var(--line); padding-top:12px; font-size:12.5px; color:var(--muted-2); }
.footer-ai-title { margin:0 0 6px; font:600 12px var(--mono); letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }
.footer-ai p { margin:0; line-height:1.6; }
.footer-ai a { color:var(--muted); text-decoration:underline; text-underline-offset:2px; }
.footer-ai code { font-family:var(--mono); font-size:11.5px; overflow-wrap:anywhere; background:none; border:0; padding:0; }
/* footer disclaimer — red outlined bubble; one collapsed legal line that
   expands to the full text */
.footer-disclaimer {
  margin-top:14px; font-size:12.5px; color:var(--danger);
  border:1px solid var(--danger); border-radius:10px;
  padding:10px 14px; background:var(--danger-soft);
}
.footer-disclaimer > summary { cursor:pointer; list-style:none; display:inline-block; font-weight:600; }
.footer-disclaimer > summary::-webkit-details-marker { display:none; }
.footer-disclaimer > summary::after { content:" ▸"; }
.footer-disclaimer[open] > summary::after { content:" ▾"; }
.footer-disclaimer > summary:hover { text-decoration:underline; text-underline-offset:2px; }
.footer-disclaimer-body p { margin:10px 0 0; line-height:1.6; max-width:90ch; }
.footer-disclaimer-body strong { font-weight:700; }

/* featured card (category/home highlight) */
.card.featured { border-color:var(--accent); box-shadow:0 0 0 1px var(--accent); position:relative; }
.card.featured::before {
  content:attr(data-featured); position:absolute; top:10px; right:10px; z-index:1;
  font-family:var(--mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase;
  background:var(--accent); color:var(--on-accent); padding:3px 9px; border-radius:999px;
}

/* plain-terms intro + implement-this boxes */
.callout.implement-box { border-left-color:var(--accent); background:var(--accent-soft); }
.implement-box .setup-split { display:grid; grid-template-columns:1fr 1fr; gap:6px 22px; margin-top:14px; }
@media (max-width:640px){ .implement-box .setup-split { grid-template-columns:1fr; } }
.implement-box .setup-split h3 { margin:0 0 6px; font-size:14px; letter-spacing:.02em; color:var(--ink); }
.implement-box .setup-split ul { margin:0; padding-left:20px; font-size:14px; color:var(--muted); }
.implement-box .setup-split li { margin:4px 0; }
.implement-box .llm-prompt { margin:14px 0 6px; font-size:14px; }
.implement-box pre { margin:0; white-space:pre-wrap; }
.implement-box .implement-related { margin:12px 0 0; font-size:13px; color:var(--muted-2); }
.implement-box .implement-related a { color:var(--muted); text-decoration:underline; text-underline-offset:2px; }

/* ============================================================
   components: home extras, lightbox, misc
   ============================================================ */

/* category grid on home */
.cat-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
@media (max-width:720px){ .cat-grid { grid-template-columns:1fr; } }
.cat-card {
  display:flex; align-items:center; gap:16px; background:var(--bg-2);
  border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px;
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.cat-card:hover { transform:translateY(-3px); border-color:var(--accent); box-shadow:var(--shadow); text-decoration:none; }
.cat-card-icon {
  flex:none; width:46px; height:46px; display:grid; place-items:center; border-radius:12px;
  color:var(--accent); background:var(--bg-3); border:1px solid var(--line);
}
.cat-card-icon svg { width:24px; height:24px; display:block; }
.cat-card h3 { margin:0 0 3px; font-size:17px; color:var(--ink); }
.cat-card p { margin:0; color:var(--muted); font-size:13.5px; line-height:1.45; }
.cat-card-count {
  margin-left:auto; flex:none; align-self:flex-start; white-space:nowrap;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.09em; text-transform:uppercase;
  color:var(--muted-2);
}
@media (max-width:520px){ .cat-card-count { display:none; } }

/* CTA panel */
.cta-panel { display:flex; flex-wrap:wrap; gap:18px; align-items:center; justify-content:space-between; }
.cta-panel h2 { margin:0 0 6px; }
.cta-panel p { margin:0; color:var(--muted); }

/* PayPal box on sponsor page */
.paypal-box { margin-top:24px; padding-top:20px; border-top:1px solid var(--line); }
.paypal-box p { margin:0 0 10px; }

/* post footer nav */
.post-foot { display:flex; flex-wrap:wrap; gap:12px; margin-top:24px; }

/* 404 */
.notfound { text-align:center; padding:80px 0 40px; }
.notfound .code {
  font-family:var(--mono); font-size:clamp(64px,14vw,120px); font-weight:600;
  color:var(--accent); line-height:1; letter-spacing:.04em;
  text-shadow:0 0 30px var(--glow-accent); margin:0 0 8px;
}
.notfound .code .beam { color:var(--amber); text-shadow:0 0 30px var(--glow-amber); }
.notfound h1 { font-size:clamp(22px,3.6vw,30px); margin:0 0 10px; }
.notfound p { color:var(--muted); max-width:480px; margin:0 auto 26px; }
.notfound .hero-cta { justify-content:center; }

/* clickable images (lightbox) */
.prose .wp-block-image img, .prose figure img, .prose p > img { cursor:zoom-in; }
.lightbox {
  position:fixed; inset:0; background:rgba(3,5,8,.92); display:none;
  align-items:center; justify-content:center; z-index:200; padding:24px; cursor:zoom-out;
}
.lightbox.open { display:flex; }
.lightbox img { max-width:96vw; max-height:92vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.6); }
.lightbox-close {
  position:absolute; top:16px; right:20px; background:none; border:0; color:#fff;
  font-size:32px; line-height:1; cursor:pointer; opacity:.8;
}
.lightbox-close:hover { opacity:1; }

/* back-to-top (long posts) */
.back-to-top {
  position:fixed; right:18px; bottom:18px; z-index:90;
  width:44px; height:44px; border-radius:12px; border:1px solid var(--line);
  background:var(--bg-2); color:var(--ink); font-size:20px; cursor:pointer;
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.back-to-top.show { opacity:1; visibility:visible; transform:none; }
.back-to-top:hover { border-color:var(--accent); color:var(--accent); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  * { transition-duration:.01ms !important; animation-duration:.01ms !important; }
  .card:hover, .cat-card:hover { transform:none; }
  .nav-links a.nav-cta:hover { transform:none; }
  .back-to-top { transition:none; transform:none; }
}

/* ---------- Print ---------- */
@media print {
  :root {
    --bg-0:#ffffff; --bg-1:#ffffff; --bg-2:#ffffff; --bg-3:#f2f2f2; --bg-4:#eaeaea;
    --line:#c8c8c8; --ink:#000000; --muted:#444444; --muted-2:#555555;
    --accent:#0b4a80; --accent-2:#0a5f56; --amber:#8a5b00; --amber-ink:#000000;
    --danger:#a03030; --ok:#166534; --prose-body:#111111;
    --accent-soft:transparent; --accent2-soft:transparent; --amber-soft:transparent;
    --danger-soft:transparent; --row-alt:transparent; --total-row-bg:transparent;
    --shadow:none; --glow-accent:transparent; --glow-amber:transparent;
    --header-bg:#ffffff; --caption-fade:transparent;
  }
  body { background:#ffffff !important; color:#000000; }
  .site-header, .site-footer, .toc, .copy-btn, .back-to-top, .post-foot,
  .skip-link, .related-searches, .lightbox, .article-hero, .nav-toggle,
  .theme-toggle { display:none !important; }
  a { color:#000000; text-decoration:underline; }
  .prose a[href^="http"]::after { content:" (" attr(href) ")"; font-size:.85em; color:#444444; }
  .prose pre, .prose .wp-block-code, .callout, .prose table td, .prose table th { border-color:#c8c8c8; }
  .container, .container.narrow { max-width:100%; }
  figure, pre, table, .callout { break-inside:avoid; }
}
