/* RouterLightsFix — "Obsidian Telemetry" design system (dark + light themes) */
@font-face{font-family:"Inter";font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/inter.woff2) format("woff2")}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:600 800;font-display:swap;src:url(/assets/fonts/plusjakartasans.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500 600;font-display:swap;src:url(/assets/fonts/jetbrainsmono.woff2) format("woff2")}

:root{
  --bg:#090d16;--bg-2:#0b1326;--surface:#0f172a;--surface-2:#131b2e;--surface-3:#1e293b;--surface-4:#222a3d;
  --text:#e2e8f0;--text-strong:#f8fafc;--muted:#94a3b8;--border:rgba(148,163,184,.16);--border-strong:rgba(148,163,184,.3);
  --primary:#4cd7f6;--primary-2:#06b6d4;--primary-ink:#001f26;--link:#4cd7f6;--action:#0284c7;
  --green:#10b981;--green-t:#34d399;--amber:#f59e0b;--amber-t:#fbbf24;--red:#ef4444;--red-t:#f87171;--blue:#38bdf8;--white-led:#f1f5f9;
  --shadow:0 16px 36px -12px rgba(0,0,0,.55);--glass:rgba(15,23,42,.8);
  --radius:.5rem;--radius-lg:1rem;--radius-xl:1.5rem;
  --font-head:"Plus Jakarta Sans",system-ui,sans-serif;--font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1320px;--header-h:68px;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f5f7fb;--bg-2:#eef2f8;--surface:#ffffff;--surface-2:#f8fafc;--surface-3:#eef2f7;--surface-4:#e2e8f0;
  --text:#1e293b;--text-strong:#0f172a;--muted:#526077;--border:rgba(15,23,42,.1);--border-strong:rgba(15,23,42,.2);
  --primary:#0e7490;--primary-2:#0891b2;--primary-ink:#ffffff;--link:#0e7490;--action:#0369a1;
  --green-t:#047857;--amber-t:#b45309;--red-t:#b91c1c;
  --shadow:0 16px 36px -16px rgba(15,23,42,.18);--glass:rgba(255,255,255,.85);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.7 var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--text-strong);line-height:1.25;letter-spacing:-.015em;margin:0 0 .6em}
h1{font-size:clamp(1.75rem,1.2rem + 2.2vw,2.5rem);font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(1.35rem,1.1rem + 1vw,1.75rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1.1em}
::selection{background:var(--primary-2);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 32px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--primary-2);color:#fff;padding:.5rem 1rem;border-radius:var(--radius);font-weight:600}
.skip-link:focus{top:12px}
.mono{font-family:var(--font-mono)}
.icon{width:1.25em;height:1.25em;flex:none;display:inline-block;vertical-align:middle}

/* ---------- Header / navigation ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:1rem;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--text-strong);font:800 1.15rem/1 var(--font-head);letter-spacing:-.02em;white-space:nowrap;margin-right:auto}
.brand img{width:34px;height:34px;border-radius:9px}
.brand .pulse{width:8px;height:8px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.main-nav{display:flex;align-items:center}
.nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:.15rem}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:.3rem;padding:.55rem .75rem;border-radius:var(--radius);color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem;background:none;border:0;cursor:pointer;font-family:inherit;line-height:1.2}
.nav-link:hover,.nav-item:focus-within>.nav-link,.nav-link[aria-current="page"],.nav-link.is-active{color:var(--text-strong);background:var(--surface-3)}
.nav-link.is-active{box-shadow:inset 0 -2px 0 var(--primary-2)}
.nav-link .chev{width:14px;height:14px;transition:transform .2s}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:280px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:.5rem;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s}
.dropdown::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.dropdown.wide{min-width:520px;display:grid;grid-template-columns:1fr 1fr;gap:.1rem}
.nav-item:hover>.dropdown,.nav-item:focus-within>.dropdown,.nav-item.open>.dropdown{opacity:1;visibility:visible;transform:none}
.nav-item:hover>.nav-link .chev,.nav-item.open>.nav-link .chev{transform:rotate(180deg)}
.dropdown a{display:flex;align-items:center;gap:.6rem;padding:.5rem .7rem;border-radius:var(--radius);color:var(--text);text-decoration:none;font-size:.92rem;line-height:1.35}
.dropdown a:hover,.dropdown a[aria-current="page"]{background:var(--surface-3);color:var(--text-strong)}
.dropdown .dd-head{font-weight:700;color:var(--text-strong)}
.dropdown .led{margin-left:2px}
.header-actions{display:flex;align-items:center;gap:.5rem}
.theme-toggle,.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius);border:1px solid var(--border-strong);background:var(--surface-3);color:var(--text-strong);cursor:pointer}
.theme-toggle:hover,.menu-toggle:hover{border-color:var(--primary-2);color:var(--primary)}
.theme-toggle .sun{display:none}
:root[data-theme="light"] .theme-toggle .sun{display:block}
:root[data-theme="light"] .theme-toggle .moon{display:none}
.menu-toggle{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.65rem 1.1rem;border-radius:var(--radius);font:600 .95rem/1.2 var(--font-head);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,box-shadow .15s,border-color .15s}
.btn-primary{background:var(--primary-2);color:#00222b}
.btn-primary:hover{background:var(--primary);box-shadow:0 0 18px rgba(6,182,212,.4)}
:root[data-theme="light"] .btn-primary{background:#0e7490;color:#fff}
:root[data-theme="light"] .btn-primary:hover{background:#155e75}
.btn-ghost{background:var(--surface-3);color:var(--text-strong);border-color:var(--border-strong)}
.btn-ghost:hover{border-color:var(--primary-2)}
.header-cta{white-space:nowrap}

@media (max-width:1180px){.header-cta{display:none}}
@media (max-width:1023px){
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--bg)}
  .menu-toggle{display:inline-flex}
  .main-nav{position:fixed;inset:var(--header-h) 0 0 0;background:var(--bg);padding:1rem 16px 2rem;overflow-y:auto;display:none;border-top:1px solid var(--border)}
  .main-nav.open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:.25rem}
  .nav-link{width:100%;justify-content:space-between;padding:.85rem 1rem;font-size:1rem;color:var(--text-strong);background:var(--surface);border:1px solid var(--border)}
  .dropdown,.dropdown.wide{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:none;min-width:0;display:none;grid-template-columns:1fr;padding:.25rem 0 .5rem .75rem}
  .nav-item.open>.dropdown{display:block}
  .nav-item:hover>.nav-link .chev{transform:none}
  .nav-item.open>.nav-link .chev{transform:rotate(180deg)}
  body.nav-open{overflow:hidden}
}

/* ---------- LEDs / chips ---------- */
.led{display:inline-block;width:9px;height:9px;border-radius:50%;flex:none;background:var(--muted)}
.led.red{background:var(--red);box-shadow:0 0 10px rgba(239,68,68,.7)}
.led.orange,.led.amber{background:var(--amber);box-shadow:0 0 10px rgba(245,158,11,.7)}
.led.green{background:var(--green);box-shadow:0 0 10px rgba(16,185,129,.7)}
.led.blue{background:var(--blue);box-shadow:0 0 10px rgba(56,189,248,.7)}
.led.cyan{background:var(--primary-2);box-shadow:0 0 10px rgba(6,182,212,.7)}
.led.white{background:var(--white-led);box-shadow:0 0 10px rgba(241,245,249,.6);outline:1px solid var(--border-strong)}
.led.purple{background:#a78bfa;box-shadow:0 0 10px rgba(167,139,250,.7)}
.led.off{background:transparent;outline:1.5px solid var(--muted)}
.led.blink{animation:blink 1.4s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.led.blink,.brand .pulse,.chip .led{animation:none}html{scroll-behavior:auto}}
.chip{display:inline-flex;align-items:center;gap:.5rem;padding:.3rem .75rem;border-radius:999px;border:1px solid var(--border-strong);background:var(--surface-3);font:600 .72rem/1.3 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.chip.green{color:var(--green-t);border-color:rgba(16,185,129,.35);background:rgba(16,185,129,.08)}
.chip.cyan{color:var(--primary);border-color:rgba(6,182,212,.35);background:rgba(6,182,212,.08)}
.eyebrow{font:600 .75rem/1.4 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin:0 0 .5rem}

/* ---------- Trust bar ---------- */
.trust-bar{background:var(--bg-2);border-bottom:1px solid var(--border);font-size:.85rem;color:var(--muted)}
.trust-bar .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding-top:.7rem;padding-bottom:.7rem}
.trust-bar strong{color:var(--text-strong);font-weight:600}
.trust-bar .t-item{display:flex;align-items:center;gap:.5rem}
.trust-bar svg{color:var(--primary)}

/* ---------- Hero (home) ---------- */
.hero{position:relative;overflow:hidden;padding:2.5rem 0 3.5rem;border-bottom:1px solid var(--border);background:radial-gradient(ellipse at top right,rgba(76,215,246,.1),transparent 60%),linear-gradient(180deg,var(--bg-2),var(--bg))}
.hero-grid{display:grid;gap:2.5rem;align-items:center}
@media(min-width:1024px){.hero{padding:4rem 0 5rem}.hero-grid{grid-template-columns:7fr 5fr;gap:3rem}}
.hero h1{font-size:clamp(1.9rem,1.2rem + 2.8vw,3rem);margin:1rem 0}
.hero .lead{font-size:1.1rem;color:var(--muted);max-width:44rem}
.hero-figure{position:relative;border-radius:var(--radius-xl);border:1px solid var(--border-strong);background:var(--surface);padding:.6rem;box-shadow:var(--shadow)}
.hero-figure img{border-radius:1rem;aspect-ratio:1200/630;object-fit:cover;width:100%}
.hero-badge{position:absolute;display:flex;align-items:center;gap:.6rem;padding:.55rem .85rem;border-radius:.7rem;background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--border-strong);font-size:.8rem;box-shadow:var(--shadow)}
.hero-badge small{display:block;font:600 .65rem/1.2 var(--font-mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.hero-badge b{font-family:var(--font-head);color:var(--text-strong)}
.hero-badge.tr{top:1.4rem;right:1.4rem}
.hero-badge.bl{bottom:4.4rem;left:1.4rem}
.hero-readout{display:flex;flex-wrap:wrap;gap:.4rem 1rem;justify-content:space-between;margin-top:.6rem;padding:.6rem .9rem;border-radius:.7rem;background:var(--surface-3);border:1px solid var(--border);font:600 .7rem/1.4 var(--font-mono);color:var(--muted);letter-spacing:.04em}
.hero-readout span{display:inline-flex;align-items:center;gap:.4rem}

/* Symptom selector */
.selector{margin-top:1.5rem;padding:1.25rem;border-radius:var(--radius-lg);background:var(--surface);border:1px solid rgba(6,182,212,.25);box-shadow:var(--shadow)}
.selector-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:.9rem;margin-bottom:1rem;border-bottom:1px solid var(--border)}
.selector-head strong{font-family:var(--font-head);color:var(--text-strong);display:flex;align-items:center;gap:.5rem}
.selector form{display:grid;gap:.9rem}
@media(min-width:640px){.selector form{grid-template-columns:repeat(3,1fr)}.selector .sel-actions{grid-column:1/-1}}
.selector label{display:block;font:600 .7rem/1.4 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.selector select{width:100%;padding:.6rem .75rem;border-radius:var(--radius);background:var(--surface-2);color:var(--text-strong);border:1px solid var(--border-strong);font:500 .9rem var(--font-body)}
.selector select:focus{border-color:var(--primary-2);outline:0;box-shadow:0 0 0 1px var(--primary-2)}
.sel-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;font-size:.82rem;color:var(--muted)}
.sel-result{margin-top:1rem;padding:1rem;border-radius:var(--radius);background:var(--surface-3);border:1px solid var(--border-strong);display:none}
.sel-result.show{display:flex;gap:.8rem;align-items:flex-start}
.sel-result p{margin:.2rem 0 .5rem;font-size:.92rem;color:var(--muted)}
.sel-result strong{color:var(--text-strong);font-family:var(--font-head)}

/* ---------- Sections ---------- */
.section{padding:3.5rem 0;border-bottom:1px solid var(--border)}
@media(min-width:1024px){.section{padding:5rem 0}}
.section.alt{background:var(--bg-2)}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:2rem}
.section-head p{color:var(--muted);max-width:46rem;margin:0}
.grid{display:grid;gap:1rem}
@media(min-width:640px){.grid.cols-2,.grid.cols-3,.grid.cols-4,.grid.cols-5{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid{gap:1.25rem}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-5{grid-template-columns:repeat(5,1fr)}}
.card{position:relative;display:flex;flex-direction:column;gap:.5rem;padding:1.4rem;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);transition:border-color .15s,transform .15s,box-shadow .15s;color:var(--text)}
a.card{text-decoration:none}
a.card:hover,.card.hoverable:hover{border-color:rgba(6,182,212,.45);box-shadow:var(--shadow);transform:translateY(-2px)}
.card h3{margin:0;font-size:1.08rem}
.card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.6}
.card .card-top{display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.card .more{margin-top:auto;padding-top:.6rem;font:600 .78rem/1.3 var(--font-mono);color:var(--primary);letter-spacing:.03em}
.card ul{list-style:none;padding:0;margin:.3rem 0 0;display:grid;gap:.35rem}
.card li a{display:flex;align-items:center;gap:.55rem;color:var(--text);text-decoration:none;font-size:.9rem}
.card li a:hover{color:var(--primary)}
.step-card .num{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--surface-3);border:1px solid var(--border-strong);color:var(--primary);font:700 .9rem var(--font-mono)}
.step-card.featured{border-color:rgba(6,182,212,.5);background:linear-gradient(180deg,rgba(6,182,212,.1),var(--surface))}
.callout{display:flex;gap:.8rem;align-items:flex-start;padding:1rem 1.2rem;border-radius:var(--radius-lg);border:1px solid rgba(6,182,212,.3);background:rgba(6,182,212,.07);color:var(--text);font-size:.95rem}
.callout.warn{border-color:rgba(245,158,11,.35);background:rgba(245,158,11,.08)}
.callout svg{color:var(--primary);margin-top:.15rem}
.callout.warn svg{color:var(--amber)}
.callout p:last-child{margin:0}

/* ---------- Page header / breadcrumbs ---------- */
.page-hero{padding:1.5rem 0 0;background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.breadcrumbs{font-size:.85rem;color:var(--muted)}
.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.breadcrumbs li{display:flex;align-items:center;gap:.35rem}
.breadcrumbs li+li::before{content:"/";color:var(--border-strong)}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--primary)}
.breadcrumbs [aria-current]{color:var(--text)}

/* ---------- Article layout ---------- */
.layout{display:grid;gap:2.5rem;padding-top:1.5rem;padding-bottom:4rem}
@media(min-width:1100px){.layout{grid-template-columns:minmax(0,1fr) 320px;gap:3.5rem}}
.article{min-width:0;max-width:780px}
.article-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin:.25rem 0 1.25rem}
.featured-figure{margin:1.25rem 0 2rem;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong);background:var(--surface)}
.featured-figure img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.prose{font-size:1.04rem}
.prose>p:first-of-type{font-size:1.1rem;color:var(--text-strong)}
.prose h2{margin-top:2.4rem;padding-top:.4rem}
.prose h3{margin-top:1.8rem}
.prose ul,.prose ol{padding-left:1.4rem;margin:0 0 1.3em}
.prose li{margin:.35em 0}
.prose ul li::marker{color:var(--primary-2)}
.prose ol{list-style:none;padding:0;counter-reset:step;position:relative}
.prose ol>li{counter-increment:step;position:relative;padding:.1rem 0 .9rem 3rem;margin:0}
.prose ol>li::before{content:counter(step);position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;background:var(--surface-3);border:1px solid rgba(6,182,212,.45);color:var(--primary);font:700 .85rem/1 var(--font-mono)}
.prose ol>li:not(:last-child)::after{content:"";position:absolute;left:calc(1rem - 1px);top:2.2rem;bottom:.1rem;width:2px;background:var(--border-strong)}
.prose ol[start]{counter-reset:none}
.prose blockquote{margin:1.5em 0;padding:1rem 1.25rem;border-left:3px solid var(--primary-2);background:var(--surface);border-radius:0 var(--radius) var(--radius) 0}
.prose figure.body-figure{margin:2rem 0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong)}
.prose figure figcaption{padding:.6rem 1rem;font-size:.85rem;color:var(--muted);background:var(--surface)}
.table-wrap{margin:1.4rem 0 1.8rem;overflow-x:auto;border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface)}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
.table-wrap th{text-align:left;padding:.8rem 1rem;background:var(--surface-3);color:var(--text-strong);font:600 .75rem/1.4 var(--font-mono);letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--border-strong)}
.table-wrap td{padding:.75rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap tbody tr:nth-child(even){background:rgba(148,163,184,.04)}
.table-wrap td:first-child{font-weight:600;color:var(--text-strong)}
.table-wrap td .led{margin-right:.5rem;vertical-align:1px}
.faq{display:grid;gap:.6rem;margin:1rem 0 2rem}
.faq details{border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.2rem;font:700 1rem/1.4 var(--font-head);color:var(--text-strong)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:600 1.3rem/1 var(--font-mono);color:var(--primary);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>div{padding:0 1.2rem 1.1rem;color:var(--text)}
.faq details>div p{margin:0}
.related{margin-top:1rem}
.related ul{list-style:none;padding:0;display:grid;gap:.6rem}
@media(min-width:640px){.related ul{grid-template-columns:1fr 1fr}}
.related li{margin:0}
.related li a{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.85rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);text-decoration:none;color:var(--text-strong);font-weight:500;line-height:1.4}
.related li a::after{content:"\2192";color:var(--primary);font-family:var(--font-mono)}
.related li a:hover{border-color:rgba(6,182,212,.45)}
.see-also{font-size:.92rem;color:var(--muted);padding-top:1rem;border-top:1px solid var(--border)}
.hub-children{margin:2rem 0}
.hub-children h2{margin-top:0}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:1.25rem}
@media(min-width:1100px){.sidebar-inner{position:sticky;top:calc(var(--header-h) + 1.25rem);display:flex;flex-direction:column;gap:1.25rem}}
.side-card{padding:1.2rem;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border)}
.side-card h2{font-size:.78rem;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 .8rem}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:.15rem;border-left:2px solid var(--border)}
.toc a{display:block;padding:.3rem .8rem;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:.88rem;line-height:1.4}
.toc a:hover,.toc a.active{color:var(--text-strong);border-left-color:var(--primary-2)}
.side-links{list-style:none;margin:0;padding:0;display:grid;gap:.1rem}
.side-links a{display:flex;align-items:center;gap:.55rem;padding:.4rem .5rem;border-radius:var(--radius);color:var(--text);text-decoration:none;font-size:.9rem}
.side-links a:hover,.side-links a[aria-current="page"]{background:var(--surface-3);color:var(--text-strong)}
.led-legend{list-style:none;margin:0;padding:0;display:grid;gap:.55rem;font-size:.86rem}
.led-legend li{display:flex;gap:.6rem;align-items:baseline}
.led-legend b{color:var(--text-strong);font-weight:600}
.ad-slot{min-height:280px;display:none}

/* ---------- Footer ---------- */
.site-footer{margin-top:auto;background:var(--bg-2);border-top:1px solid var(--border);font-size:.92rem}
.footer-grid{display:grid;gap:2rem;padding:3rem 0 2rem}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand p{color:var(--muted);margin:.8rem 0}
.footer-col h2{font:600 .75rem/1.4 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-strong);margin:0 0 .9rem}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.footer-col a{color:var(--muted);text-decoration:none}
.footer-col a:hover{color:var(--primary)}
.independence{display:flex;gap:.6rem;align-items:flex-start;padding:.9rem 1rem;border-radius:var(--radius);border:1px solid rgba(16,185,129,.3);background:rgba(16,185,129,.07);color:var(--text);font-size:.86rem}
.independence .led{margin-top:.45rem}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;padding:1.25rem 0 1.5rem;border-top:1px solid var(--border);color:var(--muted);font-size:.84rem}
.footer-bottom a{color:var(--muted)}

/* 404 */
.notfound{padding:4rem 0;text-align:center}
.notfound .code{font:800 5rem/1 var(--font-mono);color:var(--primary);text-shadow:0 0 24px rgba(6,182,212,.4)}
.notfound .grid{text-align:left;margin-top:2rem}

@media print{.site-header,.site-footer,.sidebar,.trust-bar{display:none}body{background:#fff;color:#000}}