/* OWASP OFFAT docs theme - "signal trace".
   Light tokens on :root, dark via prefers-color-scheme (unless the reader chose
   light) or an explicit [data-theme="dark"]. Code blocks stay dark in both. */

:root {
  --bg: #f6f5f0;
  --bg-elev: #ffffff;
  --bg-sunk: #eeece4;
  --ink: #12161c;
  --ink-2: #333c48;
  --muted: #687280;
  --line: #e3e0d6;
  --line-2: #d2cec1;
  --accent: #4f7d00;
  --accent-fill: #c4f547;
  --accent-ink: #0d1300;
  --accent-soft: rgba(124, 179, 0, 0.12);
  --cyan: #0a7488;
  --rose: #c8294a;
  --amber: #a65800;
  --grid: rgba(18, 22, 28, 0.07);
  --glow: rgba(160, 220, 30, 0.18);
  --shadow: 0 1px 2px rgba(20, 24, 30, 0.04), 0 12px 32px rgba(20, 24, 30, 0.07);
  --code-bg: #0b0f15;
  --code-ink: #e3e9f0;
  --code-line: #1c2430;
  --code-muted: #6f7c8d;
  --f-display: "Unbounded", "IBM Plex Sans", system-ui, sans-serif;
  --f-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --top-h: 60px;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07090c;
    --bg-elev: #0e1218;
    --bg-sunk: #0b0e13;
    --ink: #e8edf3;
    --ink-2: #b8c1cd;
    --muted: #8390a1;
    --line: #1a212b;
    --line-2: #273141;
    --accent: #c6ff3d;
    --accent-fill: #c6ff3d;
    --accent-ink: #0b1000;
    --accent-soft: rgba(198, 255, 61, 0.1);
    --cyan: #3fd9f2;
    --rose: #ff5a7a;
    --amber: #ffb454;
    --grid: rgba(255, 255, 255, 0.05);
    --glow: rgba(198, 255, 61, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 40px rgba(0, 0, 0, 0.45);
    --code-bg: #090c11;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #07090c;
  --bg-elev: #0e1218;
  --bg-sunk: #0b0e13;
  --ink: #e8edf3;
  --ink-2: #b8c1cd;
  --muted: #8390a1;
  --line: #1a212b;
  --line-2: #273141;
  --accent: #c6ff3d;
  --accent-fill: #c6ff3d;
  --accent-ink: #0b1000;
  --accent-soft: rgba(198, 255, 61, 0.1);
  --cyan: #3fd9f2;
  --rose: #ff5a7a;
  --amber: #ffb454;
  --grid: rgba(255, 255, 255, 0.05);
  --glow: rgba(198, 255, 61, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 18px 40px rgba(0, 0, 0, 0.45);
  --code-bg: #090c11;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--top-h) + 20px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.68 var(--f-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: inherit; }
::selection { background: var(--accent-fill); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 6px; }
.skip {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--accent-fill); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px;
}
.skip:focus { left: 12px; }

.backdrop {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 85% -10%, var(--glow), transparent 70%),
    radial-gradient(circle, var(--grid) 1px, transparent 1.2px) 0 0 / 22px 22px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 45%, transparent 95%);
          mask-image: linear-gradient(to bottom, #000 0%, #000 45%, transparent 95%);
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--top-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
          backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1440px; height: 100%; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.bm-bg { fill: var(--ink); }
.bm-path { fill: none; stroke: var(--accent-fill); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.bm-node { fill: var(--accent-fill); }
.bm-node.dim { fill: var(--bg-elev); stroke: var(--accent-fill); stroke-width: 1.4; }
.bm-sink { fill: var(--rose); }
.brand-name { font: 700 17px/1 var(--f-display); letter-spacing: 0.02em; }
.brand-tag {
  font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.14em; color: var(--muted);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 7px;
}
.top-links { display: flex; gap: 4px; margin-left: 12px; }
.top-links a {
  text-decoration: none; color: var(--ink-2); font-size: 14.5px; font-weight: 500;
  padding: 6px 10px; border-radius: 8px;
}
.top-links a:hover { color: var(--ink); background: var(--bg-sunk); }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 10px 0 12px; min-width: 220px;
  background: var(--bg-elev); color: var(--muted);
  border: 1px solid var(--line-2); border-radius: 10px;
  font: 400 14px var(--f-sans); cursor: pointer;
}
.search-btn span { flex: 1; text-align: left; }
.search-btn:hover { border-color: var(--muted); color: var(--ink-2); }
kbd {
  font: 500 11px/1 var(--f-mono); color: var(--muted);
  border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 6px; padding: 3px 6px;
  background: var(--bg-sunk);
}
.icon-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px; flex: none;
  border: 1px solid transparent; border-radius: 10px; background: transparent;
  color: var(--ink-2); cursor: pointer; text-decoration: none;
}
.icon-btn:hover { background: var(--bg-sunk); color: var(--ink); border-color: var(--line); }
.menu-btn { display: none; }
.i-sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display: block; }
  :root:not([data-theme="light"]) .i-moon { display: none; }
}
:root[data-theme="dark"] .i-sun { display: block; }
:root[data-theme="dark"] .i-moon { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 18px; border-radius: 11px;
  font: 600 15px/1 var(--f-sans); text-decoration: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.btn.primary { background: var(--accent-fill); color: var(--accent-ink); border: 1px solid transparent; }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 8px 28px var(--glow), 0 0 0 4px var(--accent-soft); }
.btn.ghost { color: var(--ink); border: 1px solid var(--line-2); background: var(--bg-elev); }
.btn.ghost:hover { border-color: var(--ink-2); transform: translateY(-1px); }

/* ---------- hero (home) ---------- */
.hero-inner {
  max-width: 1240px; margin: 0 auto; padding: 84px 24px 64px;
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: 64px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  font: 500 12px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2);
  border: 1px solid var(--line-2); background: var(--bg-elev); border-radius: 999px; padding: 8px 12px;
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent-fill);
  box-shadow: 0 0 0 0 var(--glow); animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(198, 255, 61, 0.55); }
  80%, 100% { box-shadow: 0 0 0 10px rgba(198, 255, 61, 0); }
}
.hero-title {
  font: 700 clamp(2.3rem, 5.2vw, 4.1rem)/1.04 var(--f-display);
  letter-spacing: -0.025em; margin: 0 0 22px; text-wrap: balance;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(transparent 62%, var(--accent-fill) 62%, var(--accent-fill) 92%, transparent 92%);
  padding: 0 0.06em; -webkit-box-decoration-break: clone; box-decoration-break: clone;
  color: var(--ink);
}
:root[data-theme="dark"] .hero-title em { color: var(--accent-ink); background: var(--accent-fill); border-radius: 6px; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero-title em { color: var(--accent-ink); background: var(--accent-fill); border-radius: 6px; }
}
.hero-lead { font-size: 1.16rem; color: var(--ink-2); max-width: 36rem; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.cmd {
  display: flex; align-items: center; gap: 10px; max-width: 30rem;
  background: var(--code-bg); color: var(--code-ink); border: 1px solid var(--code-line);
  border-radius: 12px; padding: 10px 10px 10px 14px; font: 13.5px/1.4 var(--f-mono);
}
.cmd code { flex: 1; overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.cmd-prompt { color: var(--code-muted); }
.cmd-copy, .code-copy {
  flex: none; font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.04em;
  color: var(--code-muted); background: transparent; border: 1px solid var(--code-line);
  border-radius: 7px; padding: 6px 9px; cursor: pointer;
}
.cmd-copy:hover, .code-copy:hover { color: #c6ff3d; border-color: #c6ff3d; }

/* pipeline card */
.flow {
  position: relative; margin: 0;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow); padding: 18px 22px 22px;
}
.flow::before {
  content: ""; position: absolute; inset: -1px; border-radius: 20px; padding: 1px; pointer-events: none;
  background: linear-gradient(140deg, var(--accent-fill), transparent 35%, transparent 65%, var(--cyan));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0.55;
}
.flow-head {
  display: flex; justify-content: space-between; align-items: center;
  font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
  padding-bottom: 14px; margin-bottom: 8px; border-bottom: 1px dashed var(--line-2);
}
.flow-file { text-transform: none; letter-spacing: 0; color: var(--ink-2); }
.flow-steps { list-style: none; margin: 0; padding: 0 0 0 30px; position: relative; }
.flow-steps::before {
  content: ""; position: absolute; left: 9px; top: 22px; bottom: 22px; width: 2px; border-radius: 2px;
  background: linear-gradient(var(--cyan), var(--accent-fill));
  opacity: 0.55;
}
.flow-steps li {
  position: relative; display: grid; grid-template-columns: 30px 88px minmax(0, 1fr); align-items: baseline;
  gap: 6px; padding: 12px 0; border-bottom: 1px solid var(--line);
}
.flow-steps li:last-child { border-bottom: 0; }
.flow-steps li::before {
  content: ""; position: absolute; left: -26px; top: 50%; width: 12px; height: 12px; margin-top: -6px;
  border-radius: 50%; background: var(--bg-elev); border: 2px solid var(--line-2);
  animation: step 6s infinite;
}
.flow-steps li:nth-child(1)::before { animation-delay: 0s; }
.flow-steps li:nth-child(2)::before { animation-delay: 1s; }
.flow-steps li:nth-child(3)::before { animation-delay: 2s; }
.flow-steps li:nth-child(4)::before { animation-delay: 3s; }
.flow-steps li:nth-child(5)::before { animation-delay: 4s; }
.flow-steps li:nth-child(6)::before { animation-delay: 5s; }
@keyframes step {
  0%, 12% { border-color: var(--accent-fill); background: var(--accent-fill); box-shadow: 0 0 0 5px var(--accent-soft); }
  22%, 100% { border-color: var(--line-2); background: var(--bg-elev); box-shadow: none; }
}
.fs-idx { font: 500 12px var(--f-mono); color: var(--muted); }
.fs-name { font: 600 15px var(--f-display); letter-spacing: 0.01em; }
.fs-out { font: 13px var(--f-mono); color: var(--ink-2); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-pulse {
  position: absolute; left: 30px; top: 70px; width: 6px; height: 6px; margin-left: -2px; border-radius: 50%;
  background: var(--accent-fill); box-shadow: 0 0 12px 3px var(--glow);
  animation: travel 6s linear infinite;
}
@keyframes travel {
  0% { transform: translateY(0); opacity: 0; }
  5% { opacity: 1; }
  92% { opacity: 1; }
  100% { transform: translateY(calc(var(--travel, 250px))); opacity: 0; }
}

/* stats */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg-elev) 55%, transparent); }
.stats-inner { max-width: 1240px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 28px 22px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat-n { display: block; font: 700 2.1rem/1.1 var(--f-display); letter-spacing: -0.02em; color: var(--accent); margin-bottom: 6px; }
.stat-l { display: block; font-size: 14px; color: var(--muted); line-height: 1.45; }

/* features */
.features-inner { max-width: 1240px; margin: 0 auto; padding: 80px 24px 24px; }
.sec-head { max-width: 46rem; margin-bottom: 34px; }
.sec-kicker { font: 500 12px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.sec-title { font: 700 clamp(1.6rem, 3vw, 2.3rem)/1.15 var(--f-display); letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  position: relative; display: block; text-decoration: none; overflow: hidden;
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px 22px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card::after {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--accent-fill), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--line-2); box-shadow: var(--shadow); }
.card:hover::after { transform: scaleX(1); }
.card-idx { font: 500 12px var(--f-mono); color: var(--muted); }
.card h3 { font: 600 1.12rem/1.3 var(--f-sans); margin: 14px 0 8px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; line-height: 1.6; }
.card code { font: 13px var(--f-mono); }

/* ---------- docs shell ---------- */
.shell {
  max-width: 1440px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 250px minmax(0, 1fr) 220px; gap: 56px;
}
.sidebar {
  position: sticky; top: var(--top-h); align-self: start;
  height: calc(100vh - var(--top-h)); overflow-y: auto; padding: 30px 4px 30px 0;
  scrollbar-width: thin;
}
.sidebar-head { display: none; }
.nav-group { margin-bottom: 24px; }
.nav-label {
  font: 500 11px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 10px 12px;
}
.nav-group ul { list-style: none; margin: 0; padding: 0; }
.nav-group a {
  position: relative; display: block; text-decoration: none; color: var(--ink-2);
  font-size: 14.5px; padding: 6px 12px; border-radius: 9px;
}
.nav-group a:hover { background: var(--bg-sunk); color: var(--ink); }
.nav-group a.active { color: var(--ink); background: var(--accent-soft); font-weight: 600; }
.nav-group a.active::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; border-radius: 3px;
  background: var(--accent-fill);
}
.sidebar-foot { border-top: 1px solid var(--line); padding: 16px 12px 0; font-size: 13.5px; }
.sidebar-foot a { color: var(--muted); text-decoration: none; }
.sidebar-foot a:hover { color: var(--ink); }

.content { padding: 44px 0 80px; min-width: 0; }
.prose { max-width: 760px; }

.toc { position: sticky; top: var(--top-h); align-self: start; padding: 44px 0 30px; font-size: 13.5px; max-height: calc(100vh - var(--top-h)); overflow-y: auto; }
.toc-title { font: 500 11px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc li a {
  display: block; text-decoration: none; color: var(--muted); padding: 4px 0 4px 14px; margin-left: -1px;
  border-left: 1px solid transparent; line-height: 1.4;
}
.toc li.l3 a { padding-left: 26px; font-size: 13px; }
.toc li a:hover { color: var(--ink); }
.toc li a.active { color: var(--ink); border-left-color: var(--accent-fill); }
.toc code { font-size: 12px; }

/* home: no sidebar / toc, centered body under the hero */
body.home .shell { display: block; max-width: 900px; }
body.home .sidebar, body.home .toc, body.home .pager, body.home .edit { display: none; }
body.home .content { padding-top: 24px; }
body.home .prose { max-width: none; }

/* ---------- prose ---------- */
.prose > :first-child { margin-top: 0; }
.prose h1 { font: 700 clamp(1.9rem, 3.4vw, 2.6rem)/1.15 var(--f-display); letter-spacing: -0.02em; margin: 0 0 18px; text-wrap: balance; }
.prose h1 + p { font-size: 1.12rem; color: var(--ink-2); }
.prose h2 {
  font: 600 1.55rem/1.3 var(--f-sans); letter-spacing: -0.012em;
  margin: 2.4em 0 0.7em; padding-top: 1.1em; border-top: 1px solid var(--line);
}
.prose h3 { font: 600 1.16rem/1.35 var(--f-sans); margin: 1.9em 0 0.5em; }
.prose h2 code, .prose h3 code { font-size: 0.85em; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.05em; }
.prose li { margin: 0.3em 0; }
.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { color: var(--muted); font-family: var(--f-mono); font-size: 0.9em; }
.prose strong { font-weight: 600; color: var(--ink); }
.prose a {
  color: var(--ink); text-decoration: underline; text-decoration-color: var(--cyan);
  text-decoration-thickness: 1.5px; text-underline-offset: 3px;
}
.prose a:hover { color: var(--cyan); }
.prose a.anchor {
  text-decoration: none; color: var(--muted); margin-left: 0.4em; opacity: 0; font-weight: 400;
  transition: opacity .15s;
}
.prose h2:hover a.anchor, .prose h3:hover a.anchor, .prose a.anchor:focus { opacity: 1; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.prose :not(pre) > code {
  font: 0.86em var(--f-mono); background: var(--bg-sunk); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.12em 0.38em; overflow-wrap: anywhere;
}
.prose img { border-radius: 12px; border: 1px solid var(--line); }

/* code blocks */
.codeblock {
  margin: 0 0 1.3em; background: var(--code-bg); border: 1px solid var(--code-line);
  border-radius: 12px; overflow: hidden;
}
.code-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 10px 8px 14px; border-bottom: 1px solid var(--code-line);
  font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--code-muted);
}
.code-head .dots { display: inline-flex; gap: 6px; margin-right: 10px; }
.code-head .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--code-line); display: block; }
.prose .hl, .prose pre { margin: 0 0 1.3em; }
.codeblock .hl, .codeblock pre { margin: 0; }
.prose pre {
  background: var(--code-bg); color: var(--code-ink); border-radius: 12px; border: 1px solid var(--code-line);
  padding: 16px 18px; overflow-x: auto; font: 13.5px/1.65 var(--f-mono); tab-size: 2;
}
.codeblock pre { border: 0; border-radius: 0; }
.prose pre code { font: inherit; background: none; border: 0; padding: 0; }

/* pygments tokens */
.hl .c, .hl .c1, .hl .cm, .hl .ch, .hl .cs, .hl .cp { color: #6f7c8d; font-style: italic; }
.hl .k, .hl .kd, .hl .kn, .hl .kr, .hl .kc, .hl .kt, .hl .ow { color: #ff7ab2; }
.hl .s, .hl .s1, .hl .s2, .hl .sb, .hl .sd, .hl .sh, .hl .si, .hl .sx, .hl .sa, .hl .dl { color: #b9f26b; }
.hl .se { color: #ffb454; }
.hl .nf, .hl .fm, .hl .nc, .hl .nn { color: #3fd9f2; }
.hl .nb, .hl .bp { color: #9fb6ff; }
.hl .nv, .hl .vi, .hl .vg { color: #ffcf7a; }
.hl .m, .hl .mi, .hl .mf, .hl .mh, .hl .il { color: #ffb454; }
.hl .nt, .hl .na, .hl .py { color: #3fd9f2; }
.hl .o, .hl .p { color: #c3ccd6; }
.hl .gp { color: #6f7c8d; user-select: none; }
.hl .err { color: inherit; background: none; }

/* tables */
.table-wrap { overflow-x: auto; margin: 0 0 1.4em; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-elev); }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
.prose th {
  text-align: left; font: 500 11.5px/1.3 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); background: var(--bg-sunk); padding: 11px 14px; border-bottom: 1px solid var(--line);
}
.prose td { padding: 10px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.prose tr:first-child td { border-top: 0; }
.prose tbody tr:hover td { background: color-mix(in srgb, var(--bg-sunk) 55%, transparent); }

/* callouts */
.callout {
  position: relative; margin: 0 0 1.4em; padding: 14px 18px 14px 18px;
  border: 1px solid var(--line); border-left: 3px solid var(--cyan); border-radius: 12px;
  background: color-mix(in srgb, var(--cyan) 7%, var(--bg-elev));
}
.callout::before {
  content: "Note"; display: block; margin-bottom: 4px;
  font: 500 11px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan);
}
.callout.warn { border-left-color: var(--rose); background: color-mix(in srgb, var(--rose) 7%, var(--bg-elev)); }
.callout.warn::before { content: "Heads up"; color: var(--rose); }
.callout p:last-child { margin-bottom: 0; }

/* pager + edit */
.pager { max-width: 760px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; }
.pn {
  display: block; text-decoration: none; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; background: var(--bg-elev); font-weight: 600; transition: border-color .2s, transform .2s;
}
.pn span { display: block; font: 500 11px/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; font-weight: 500; }
.pn.next { text-align: right; grid-column: 2; }
.pn:hover { border-color: var(--accent); transform: translateY(-1px); }
.edit { max-width: 760px; margin: 22px 0 0; font-size: 13.5px; }
.edit a { color: var(--muted); }
.edit a:hover { color: var(--ink); }

/* 404 */
.notfound { padding: 40px 0; }
.nf-code { font: 800 clamp(4rem, 12vw, 7rem)/1 var(--f-display); color: var(--accent); margin: 0 0 8px; letter-spacing: -0.04em; }

/* footer */
.site-foot { border-top: 1px solid var(--line); margin-top: 40px; }
.foot-inner {
  max-width: 1440px; margin: 0 auto; padding: 28px 24px 40px;
  display: flex; flex-wrap: wrap; gap: 18px 40px; justify-content: space-between; align-items: flex-start;
}
.foot-brand { font: 700 14px var(--f-display); margin: 0 0 6px; letter-spacing: 0.02em; }
.foot-note, .foot-warn { margin: 0; font-size: 13.5px; color: var(--muted); max-width: 36rem; }
.foot-warn { display: inline-flex; align-items: center; gap: 10px; }
.foot-warn .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rose); flex: none; }

/* ---------- search ---------- */
.search-modal {
  position: fixed; inset: 0; z-index: 60; display: flex; justify-content: center; align-items: flex-start;
  padding: 12vh 16px 16px; background: rgba(5, 7, 10, 0.55);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.search-modal[hidden] { display: none; }
.search-panel {
  width: min(640px, 100%); background: var(--bg-elev); border: 1px solid var(--line-2);
  border-radius: 16px; box-shadow: var(--shadow); overflow: hidden;
}
.search-field { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--muted); }
.search-field input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink);
  font: 400 17px var(--f-sans);
}
.search-field input::-webkit-search-cancel-button { display: none; }
.search-results { list-style: none; margin: 0; padding: 8px; max-height: min(60vh, 460px); overflow-y: auto; }
.search-results li a {
  display: block; text-decoration: none; padding: 10px 12px; border-radius: 10px; color: var(--ink);
}
.search-results li a:hover, .search-results li.sel a { background: var(--accent-soft); }
.sr-title { font-weight: 600; }
.sr-meta { font: 500 11px var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-left: 8px; }
.sr-snip { display: block; color: var(--muted); font-size: 13.5px; margin-top: 2px; line-height: 1.45; }
.sr-snip mark { background: var(--accent-fill); color: var(--accent-ink); border-radius: 3px; padding: 0 2px; }
.search-empty { padding: 18px 14px; color: var(--muted); font-size: 14px; }

.scrim { position: fixed; inset: 0; z-index: 44; background: rgba(5, 7, 10, 0.5); }
.scrim[hidden] { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .shell { grid-template-columns: 230px minmax(0, 1fr); gap: 44px; }
  .toc { display: none; }
}
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 40px; padding-top: 56px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .top-links { display: none; }
}
@media (max-width: 880px) {
  .menu-btn { display: inline-grid; }
  .shell { display: block; padding: 0 16px; }
  .sidebar {
    position: fixed; z-index: 50; top: 0; left: 0; bottom: 0; height: auto; width: min(300px, 86vw);
    background: var(--bg-elev); border-right: 1px solid var(--line); padding: 0 12px 24px;
    transform: translateX(-102%); transition: transform .25s ease;
  }
  body.nav-open .sidebar { transform: none; }
  .sidebar-head {
    display: flex; align-items: center; justify-content: space-between; height: var(--top-h);
    margin-bottom: 8px; padding-left: 12px; border-bottom: 1px solid var(--line);
    font: 600 15px var(--f-display);
  }
  body.home .sidebar { display: block; }
  .content { padding-top: 28px; }
  .topbar-inner { padding: 0 12px 0 8px; gap: 8px; }
  .search-btn { min-width: 0; width: 36px; padding: 0; justify-content: center; border-color: transparent; background: transparent; }
  .search-btn span, .search-btn kbd { display: none; }
}
@media (max-width: 640px) {
  .hero-inner { padding: 40px 16px 44px; }
  .stats-inner, .features-inner, .foot-inner { padding-left: 16px; padding-right: 16px; }
  .cards { grid-template-columns: minmax(0, 1fr); }
  .stats-inner { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .stat + .stat { border-top: 1px solid var(--line); }
  .flow-steps li { grid-template-columns: 26px 74px minmax(0, 1fr); }
  .fs-out { font-size: 12px; }
  .pager { grid-template-columns: 1fr; }
  .pn.next { grid-column: 1; }
  .brand-tag { display: none; }
  .prose h2 { font-size: 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .flow-pulse { display: none; }
}