:root,:root[data-theme="light"]{
  --v-void:#05070D;--v-deep:#0A0F1E;--v-deep2:#0E1528;--v-glass:rgba(255,255,255,.045);--v-glass2:rgba(255,255,255,.08);
  --v-hair:rgba(148,163,184,.16);--v-hair2:rgba(148,163,184,.28);--v-text:#E7EDF7;--v-dim:#9AA8BD;--v-faint:#66748A;
  --v-cyan:#22D3EE;--v-teal:#2DD4BF;--v-violet:#8B5CF6;--v-lime:#A3E635;--v-amber:#FBBF24;
  --v-grad:linear-gradient(100deg,#22D3EE 0%,#2DD4BF 40%,#8B5CF6 100%);
  --ground:#F4F6FA;--surface:#fff;--surface-2:#EEF2F8;--line:#DDE3EE;--line-soft:#E8EDF5;
  --ink:#0B1220;--ink-2:#334155;--muted:#5B6B82;--accent:#0E7490;--accent-soft:#E0F5FA;
  --good:#15803D;--good-soft:#DCFCE7;--warn:#92400E;--warn-soft:#FEF3C7;--bad:#92400E;--bad-soft:#FEF3C7;
  --radius:12px;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
html.v3-lock{overflow:hidden}
body.smv3{font-family:var(--sans);background:var(--ground);color:var(--ink);font-feature-settings:"ss01","cv11";
  background-image:radial-gradient(1200px 380px at 50% -120px,rgba(34,211,238,.16),transparent 70%),linear-gradient(180deg,var(--v-void) 0,var(--v-deep) 300px,var(--ground) 300px);
  background-repeat:no-repeat}
body.smv3::before{content:"";position:absolute;inset:0 0 auto 0;height:300px;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--v-hair) 1px,transparent 1px),linear-gradient(90deg,var(--v-hair) 1px,transparent 1px);background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 95%);mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 95%)}
.smv3 main,.smv3 .crumbs,.smv3 section,.smv3 aside{position:relative;z-index:1}
.smv3 h1,.smv3 h2,.smv3 h3{font-family:var(--sans);letter-spacing:-.025em}
.smv3 h1{font-weight:700}.smv3 h2{font-weight:650}
.smv3 code,.smv3 time,.smv3 .ch time,.smv3 td.num{font-family:var(--mono)}
.smv3 ::selection{background:rgba(34,211,238,.28)}
.smv3 a:focus-visible,.smv3 button:focus-visible,.smv3 input:focus-visible,.smv3 select:focus-visible{outline:2px solid var(--v-cyan);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.smv3 .site-header{position:sticky;top:0;z-index:60;background:rgba(5,7,13,.72);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--v-hair);transition:background .2s}
.smv3 .site-header.v3-scrolled{background:rgba(5,7,13,.9)}
.smv3 .site-header .bar{max-width:1200px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:18px}
.smv3 .site-header .brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.05rem;letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.smv3 .site-header .brand::before{content:"";width:28px;height:28px;border-radius:8px;flex:none;
  background:conic-gradient(from 210deg,#22D3EE,#2DD4BF,#8B5CF6,#22D3EE);box-shadow:0 0 0 1px rgba(255,255,255,.18) inset,0 0 18px rgba(34,211,238,.35);
  -webkit-mask:radial-gradient(circle at 50% 50%,transparent 5px,#000 5.5px);mask:radial-gradient(circle at 50% 50%,transparent 5px,#000 5.5px)}
.smv3 .site-header nav{margin-left:auto}
.smv3 .site-header nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.smv3 .site-header nav a{display:block;color:var(--v-dim);font-size:.9rem;font-weight:500;text-decoration:none;padding:7px 11px;border-radius:8px;box-shadow:none}
.smv3 .site-header nav a:hover{color:#fff;background:var(--v-glass2);text-decoration:none}
.smv3 .site-header nav a[aria-current="page"]{color:#fff;background:var(--v-glass2);box-shadow:inset 0 -2px 0 var(--v-cyan)}
.smv3 .v3-find{display:inline-flex;align-items:center;gap:10px;background:var(--v-glass);border:1px solid var(--v-hair2);color:var(--v-dim);font:500 .86rem var(--sans);padding:7px 8px 7px 12px;border-radius:10px;cursor:pointer;white-space:nowrap}
.smv3 .v3-find:hover{color:#fff;border-color:rgba(34,211,238,.6)}
.smv3 .v3-find svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2}
.smv3 .v3-find kbd,.v3-pal kbd{font:600 .7rem var(--mono);color:var(--v-dim);background:rgba(255,255,255,.06);border:1px solid var(--v-hair2);border-radius:6px;padding:2px 6px}
.smv3 .nav-toggle{display:none;margin-left:auto;background:var(--v-glass);color:#fff;border:1px solid var(--v-hair2);border-radius:9px;padding:7px 12px;font:600 .86rem var(--sans)}
.smv3.sm-on-date .site-header,.smv3.sm-register-watch .site-header{background:rgba(5,7,13,.8)}
.smv3.sm-on-date .site-header .brand,.smv3.sm-register-watch .site-header .brand{color:#fff}
.smv3.sm-on-date .site-header nav a,.smv3.sm-register-watch .site-header nav a{color:var(--v-dim)}

/* ---------- ordinary pages: paper on the console ---------- */
.smv3 .crumbs{max-width:1200px;color:var(--v-dim);padding-top:18px}
.smv3 .crumbs a{color:var(--v-dim)}.smv3 .crumbs li:last-child a{color:#fff}
.smv3:not(.smv3-home) main.article,.smv3:not(.smv3-home) main.sm-main{max-width:920px;background:var(--surface);border:1px solid var(--line-soft);border-radius:18px;
  box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 24px 60px -20px rgba(5,7,13,.35),0 2px 8px rgba(5,7,13,.06);margin:36px auto 16px;padding:44px 56px 60px}
.smv3:not(.smv3-home) main.article.wide{max-width:1200px}
.smv3:not(.smv3-home) main:not(.article):not(.sm-main){max-width:1152px;background:var(--surface);border:1px solid var(--line-soft);border-radius:18px;box-shadow:0 24px 60px -20px rgba(5,7,13,.35),0 2px 8px rgba(5,7,13,.06);margin:24px auto 16px;padding:40px 48px 56px}
.smv3 main h1{color:var(--ink)}
.smv3 main.article h1,.smv3 main.sm-main h1{font-size:clamp(1.9rem,3.9vw,2.8rem);line-height:1.08;color:var(--ink);letter-spacing:-.035em}
.smv3 .entry h2{color:var(--ink);font-size:clamp(1.3rem,2.4vw,1.65rem);margin-top:2.1em}
.smv3 .entry h2::before{content:"";display:block;width:34px;height:3px;border-radius:3px;background:var(--v-grad);margin-bottom:14px}
.smv3 .entry a,.smv3 main.sm-main a{color:var(--accent);text-decoration-color:rgba(14,116,144,.35);text-underline-offset:3px}
.smv3 .entry a:hover{text-decoration-color:currentColor}
.smv3 .entry{font-size:1.03rem;line-height:1.72}
.smv3 .entry table,.smv3 .tablewrap{border-radius:12px}
.smv3 .entry img{border-radius:10px}
.smv3 .entry blockquote{border-left:3px solid var(--v-cyan);background:var(--surface-2);margin:1.4em 0;padding:14px 20px;border-radius:0 10px 10px 0}

/* page figure: a duotone strip rather than a stock photo */
.smv3-fig{margin:8px 0 30px;position:relative;border-radius:14px;overflow:hidden;background:var(--v-deep)}
.smv3-fig img{display:block;width:100%;aspect-ratio:16/5.4;max-height:300px;object-fit:cover;filter:saturate(.75) contrast(1.05);mix-blend-mode:luminosity;opacity:.9}
.smv3-fig::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(5,7,13,.55),rgba(14,116,144,.25) 55%,rgba(139,92,246,.35));pointer-events:none}
.smv3-fig figcaption{position:absolute;right:10px;bottom:6px;z-index:1;font-size:.7rem;color:rgba(255,255,255,.72)}

/* progress + toc */
.v3-progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:80;background:var(--v-grad);transform-origin:0 50%;transform:scaleX(0);pointer-events:none}
.v3-toc{margin:6px 0 26px;background:var(--surface-2);border:1px solid var(--line-soft);border-radius:12px;padding:12px 16px;font-size:.9rem}
.v3-toc summary{cursor:pointer;font:600 .74rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.v3-toc ol{margin:10px 0 2px;padding-left:1.2em;columns:2;column-gap:28px}
.v3-toc li{margin:0 0 6px;break-inside:avoid}
.v3-toc a{color:var(--ink-2)!important;text-decoration:none!important}
.v3-toc a:hover,.v3-toc a.on{color:var(--accent)!important}
@media (min-width:1400px){
  main.article:not(.wide) .v3-toc[open]{position:fixed;top:96px;left:max(16px,calc(50% - 460px - 250px));width:220px;max-height:calc(100vh - 130px);overflow:auto;margin:0;background:rgba(255,255,255,.96);border:1px solid var(--line-soft);border-radius:14px;padding:14px 14px 12px;box-shadow:0 16px 40px -20px rgba(5,7,13,.45)}
  main.article:not(.wide) .v3-toc[open] summary{color:var(--muted)}
  main.article:not(.wide) .v3-toc[open] ol{columns:1;list-style:none;padding:0;border-left:1px solid var(--line)}
  main.article:not(.wide) .v3-toc[open] li{margin:0}
  main.article:not(.wide) .v3-toc[open] a{display:block;padding:5px 0 5px 14px;margin-left:-1px;border-left:2px solid transparent;font-size:.84rem;line-height:1.35}
  main.article:not(.wide) .v3-toc[open] a.on{border-left-color:var(--v-cyan)}
}

/* ---------- data components ---------- */
.smv3 .stats{gap:12px}
.smv3 .stats div{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px;box-shadow:0 8px 24px -14px rgba(5,7,13,.25);position:relative;overflow:hidden}
.smv3 .stats div::before{content:"";position:absolute;left:0;top:0;right:0;height:2px;background:var(--v-grad);opacity:.8}
.smv3 .stats b{font-family:var(--mono);font-weight:600;color:var(--ink);font-size:1.7rem;letter-spacing:-.04em}
.smv3 .stats small{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em}
.smv3 ul.changes{gap:0;background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px -18px rgba(5,7,13,.3)}
.smv3 .ch{border:0;border-bottom:1px solid var(--line-soft);border-radius:0;padding:16px 20px 16px 44px;position:relative;background:transparent}
.smv3 .ch:last-child{border-bottom:0}
.smv3 .ch::before{content:"";position:absolute;left:20px;top:22px;width:9px;height:9px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 4px var(--surface-2)}
.smv3 .ch-added::before{background:#16A34A;box-shadow:0 0 0 4px #DCFCE7}
.smv3 .ch-removed::before{background:#D97706;box-shadow:0 0 0 4px #FEF3C7}
.smv3 .ch-modified::before,.smv3 .ch-renamed::before{background:#7C3AED;box-shadow:0 0 0 4px #EDE9FE}
.smv3 .tag{border-radius:999px;font-family:var(--mono);font-weight:600;letter-spacing:.06em;padding:3px 9px}
.smv3 .ch-modified .tag,.smv3 .ch-renamed .tag{background:#EDE9FE;color:#5B21B6}
.smv3 .card{border-radius:14px;border:1px solid var(--line-soft);transition:transform .15s,box-shadow .15s,border-color .15s}
.smv3 .card:hover{transform:translateY(-2px);border-color:rgba(14,116,144,.45);box-shadow:0 14px 30px -16px rgba(5,7,13,.35)}
.smv3 .status{border-radius:999px;font-family:var(--mono);font-size:.86rem;padding:8px 14px}
.smv3 .is-listed{background:#DCFCE7;color:#166534}
.smv3 .not-listed{background:#FEF3C7;color:#92400E}
.smv3 .searchbox input{border-radius:12px;border-color:var(--line)}
.smv3 .searchbox button,.smv3 .btn,.smv3 .sm-btn{border-radius:10px;background:var(--ink);color:#fff}
.smv3 aside.warning,.smv3 aside.note,.smv3 aside.correction,.smv3 .charter{border-radius:12px}
.smv3 dl.flags{border-radius:12px}

/* blog index as a grid */
.smv3 main.article:has(article.post){max-width:1200px}
.smv3 .entry:has(> article.post){display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.smv3 .entry > article.post{background:var(--surface);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;margin:0;padding:0;transition:transform .15s,box-shadow .15s}
.smv3 .entry > article.post:hover{transform:translateY(-3px);box-shadow:0 18px 36px -18px rgba(5,7,13,.4)}
.smv3 .entry > article.post > a{order:-1}
.smv3 .entry > article.post img{display:block;width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:0;margin:0}
.smv3 .entry > article.post .entry-title{font-size:1.1rem;line-height:1.3;margin:16px 20px 6px}
.smv3 .entry > article.post > p{font-size:.93rem;color:var(--ink-2);margin:0 20px 20px}
.smv3 .entry:has(> article.post) > :not(article.post){grid-column:1/-1}
.smv3 .entry:has(> article.post) h2::before{display:none}

/* ---------- home ---------- */
body.smv3.smv3-home{background:var(--v-void);background-image:none}
body.smv3.smv3-home::before{display:none}
.v3-hero{position:relative;overflow:hidden;color:var(--v-text);background:var(--v-void);border-bottom:1px solid var(--v-hair)}
.v3-hero::before{content:"";position:absolute;inset:-20% -10% auto;height:130%;pointer-events:none;
  background:radial-gradient(40% 50% at 18% 30%,rgba(34,211,238,.22),transparent 70%),radial-gradient(35% 45% at 80% 20%,rgba(139,92,246,.26),transparent 70%),radial-gradient(40% 40% at 60% 90%,rgba(45,212,191,.16),transparent 70%);
  filter:blur(10px);animation:v3-drift 22s ease-in-out infinite alternate}
.v3-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--v-hair) 1px,transparent 1px),linear-gradient(90deg,var(--v-hair) 1px,transparent 1px);background-size:56px 56px;
  -webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent);mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent)}
@keyframes v3-drift{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(3%,4%,0) scale(1.08)}}
.v3-hero-in{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:84px 24px 96px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.v3-eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;padding:6px 14px 6px 10px;border-radius:999px;background:var(--v-glass);border:1px solid var(--v-hair2);color:var(--v-dim);font:500 .8rem var(--mono);letter-spacing:.02em}
.v3-dot{width:8px;height:8px;border-radius:50%;background:var(--v-lime);box-shadow:0 0 0 0 rgba(163,230,53,.6);animation:v3-pulse 2.4s infinite}
@keyframes v3-pulse{0%{box-shadow:0 0 0 0 rgba(163,230,53,.55)}70%{box-shadow:0 0 0 9px rgba(163,230,53,0)}100%{box-shadow:0 0 0 0 rgba(163,230,53,0)}}
.v3-hero h1{color:#fff;font-size:clamp(2.3rem,5.2vw,4.1rem);line-height:1.02;letter-spacing:-.045em;margin:0 0 20px;max-width:15ch;font-weight:700}
.v3-hero h1 em{font-style:normal;background:var(--v-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.v3-lede{color:var(--v-dim);font-size:1.12rem;line-height:1.6;max-width:56ch;margin:0 0 30px}
.v3-search{max-width:640px;margin:0!important}
.v3-search label{position:absolute;left:-9999px}
.v3-row{display:flex;gap:8px;background:rgba(255,255,255,.06);border:1px solid var(--v-hair2);padding:7px;border-radius:16px;box-shadow:0 20px 60px -20px rgba(34,211,238,.35),0 0 0 1px rgba(255,255,255,.02) inset;transition:border-color .2s,box-shadow .2s}
.v3-row:focus-within{border-color:rgba(34,211,238,.7);box-shadow:0 20px 60px -16px rgba(34,211,238,.5)}
.v3-row input{flex:1;min-width:0;border:0!important;background:transparent!important;color:#fff!important;padding:12px 12px!important;font:500 1.05rem var(--sans)!important;margin:0!important}
.v3-row input::placeholder{color:var(--v-faint)}
.v3-row input:focus{outline:none}
.v3-row button{margin:0!important;border:0;background:var(--v-grad)!important;color:#04111A!important;font:700 .98rem var(--sans)!important;padding:12px 22px!important;border-radius:11px!important;cursor:pointer;white-space:nowrap}
.v3-search #sm-results{color:var(--ink);margin-top:10px}
.v3-search #sm-results ul{border-radius:14px;overflow:hidden;border:1px solid var(--v-hair2);background:#fff}
.v3-hint{margin:14px 0 0;color:var(--v-faint);font-size:.86rem}
.v3-hint a{color:var(--v-dim)}
.v3-hint kbd{font:600 .72rem var(--mono);border:1px solid var(--v-hair2);border-radius:5px;padding:1px 5px;color:var(--v-dim)}

.v3-console{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));border:1px solid var(--v-hair2);border-radius:18px;padding:6px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.03) inset;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.v3-console-top{display:flex;align-items:center;gap:8px;padding:10px 12px 12px;border-bottom:1px solid var(--v-hair);font:500 .74rem var(--mono);color:var(--v-faint);letter-spacing:.04em}
.v3-console-top i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.14)}
.v3-console-top span{margin-left:auto}
.v3-reg{display:grid;grid-template-columns:44px 1fr auto;gap:4px 14px;align-items:center;padding:14px 14px;border-radius:12px;text-decoration:none!important;color:var(--v-text)}
.v3-reg+.v3-reg{border-top:1px solid var(--v-hair)}
.v3-reg:hover{background:var(--v-glass)}
.v3-code{grid-row:span 2;display:grid;place-items:center;width:44px;height:44px;border-radius:11px;font:700 .86rem var(--mono);color:#fff;background:linear-gradient(135deg,rgba(34,211,238,.25),rgba(139,92,246,.25));border:1px solid var(--v-hair2)}
.v3-reg b{font-weight:600;font-size:.98rem}
.v3-reg small{color:var(--v-faint);font-size:.8rem}
.v3-reg .v3-ed{font:600 .86rem var(--mono);color:var(--v-text);text-align:right}
.v3-reg .v3-age{font:500 .74rem var(--mono);color:var(--v-faint);text-align:right}
.v3-reg.v3-fresh .v3-age{color:var(--v-lime)}
.v3-reg .v3-n{display:none}
.v3-console-foot{padding:10px 14px 8px;border-top:1px solid var(--v-hair);font:500 .74rem var(--mono);color:var(--v-faint);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.v3-console-foot a{color:var(--v-dim)}

.smv3-home main.article{max-width:1200px;margin:0 auto;padding:0 24px 40px;background:transparent;color:var(--v-text)}
.smv3-home .entry{color:var(--v-text)}
.smv3-home .stats{margin:-38px 0 8px;position:relative;z-index:2}
.smv3-home .stats div{background:rgba(14,21,40,.85);border-color:var(--v-hair2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 20px 50px -24px rgba(0,0,0,.9)}
.smv3-home .stats b{color:#fff}.smv3-home .stats small{color:var(--v-faint)}
.smv3-home .entry > h2,.v3-sec h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.035em;margin:2.4em 0 .35em}
.smv3-home .entry h2{color:#fff}
.smv3-home .entry h2::before{display:none}
.v3-sec{margin-top:72px}
.smv3-home .v3-sec h2,.v3-machines h2{margin-top:.15em!important}
.v3-kicker{display:block;font:600 .74rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--v-cyan);margin:0 0 10px}
.v3-sub{color:var(--v-dim);margin:0 0 26px;max-width:66ch}
.smv3-home .entry a{color:var(--v-cyan)}
.smv3-home .sm-week-link a{color:var(--v-dim)!important}
.smv3-home ul.changes{background:rgba(14,21,40,.7);border-color:var(--v-hair2)}
.smv3-home .ch{border-bottom-color:var(--v-hair)}
.smv3-home .ch::before{box-shadow:0 0 0 4px rgba(255,255,255,.05)}
.smv3-home .ch strong{color:#fff}.smv3-home .ch-statement{color:var(--v-dim)}.smv3-home .ch time{color:var(--v-faint)}
.smv3-home .ch-added .tag{background:rgba(22,163,74,.16);color:#86EFAC}
.smv3-home .ch-removed .tag{background:rgba(217,119,6,.16);color:#FCD34D}
.smv3-home .ch-modified .tag,.smv3-home .ch-renamed .tag{background:rgba(124,58,237,.2);color:#C4B5FD}
.smv3-home .sm-embed-note{color:var(--v-faint)}
.smv3-home .entry > ul:not(.changes){display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;list-style:none;padding:0}
.smv3-home .entry > ul:not(.changes) li{background:var(--v-glass);border:1px solid var(--v-hair);border-radius:14px;padding:16px 18px;margin:0;color:var(--v-dim)}
.smv3-home .entry > p{color:var(--v-dim)}
.smv3-home .cm-share,.smv3-home .sm-share{color:var(--v-dim)}

.v3-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.v3-grid-3{grid-template-columns:repeat(3,1fr)}
.v3-tile{position:relative;display:flex;flex-direction:column;gap:6px;padding:22px 22px 20px;border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));border:1px solid var(--v-hair);color:var(--v-text)!important;text-decoration:none!important;overflow:hidden;transition:transform .18s,border-color .18s,background .18s}
.v3-tile::after{content:"";position:absolute;inset:auto -30% -60% auto;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 70%);opacity:0;transition:opacity .25s}
.v3-tile:hover{transform:translateY(-3px);border-color:rgba(34,211,238,.45)}
.v3-tile:hover::after{opacity:1}
.v3-tile small{font:600 .7rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--v-faint)}
.v3-tile strong{font-size:1.2rem;color:#fff;letter-spacing:-.02em;line-height:1.25}
.v3-tile span{color:var(--v-dim);font-size:.93rem;line-height:1.5}
.v3-tile em{margin-top:auto;padding-top:12px;font-style:normal;font:600 .84rem var(--mono);color:var(--v-cyan)}
.v3-tile .v3-code{width:48px;height:48px;margin-bottom:8px}
.v3-tile .v3-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:10px;background:linear-gradient(135deg,rgba(34,211,238,.22),rgba(139,92,246,.22));border:1px solid var(--v-hair2)}
.v3-tile .v3-ico svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.v3-guide{padding:0}
.v3-guide img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.8);border-bottom:1px solid var(--v-hair)}
.v3-guide > div{display:flex;flex-direction:column;gap:6px;padding:18px 20px 20px;flex:1}
.v3-more{margin:16px 0 0}.v3-more a{color:var(--v-dim)!important;font:500 .9rem var(--mono)}

.v3-machines{margin:70px 0 10px;padding:34px;border-radius:22px;border:1px solid var(--v-hair2);background:radial-gradient(60% 120% at 100% 0,rgba(139,92,246,.18),transparent 60%),radial-gradient(60% 120% at 0 100%,rgba(34,211,238,.14),transparent 60%),rgba(255,255,255,.02);display:grid;grid-template-columns:1fr 1.2fr;gap:30px;align-items:center}
.v3-machines h2{margin:0 0 10px!important}
.v3-machines p{color:var(--v-dim);margin:0 0 8px}
.v3-term{font:500 .82rem/1.7 var(--mono);color:#CFFAFE;background:#03050A;border:1px solid var(--v-hair2);border-radius:14px;padding:16px 18px;overflow:auto;white-space:pre}
.v3-term b{color:var(--v-lime);font-weight:500}.v3-term i{color:var(--v-faint);font-style:normal}
.v3-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.v3-chips a{font:500 .8rem var(--mono);padding:6px 12px;border-radius:999px;border:1px solid var(--v-hair2);color:var(--v-text)!important;text-decoration:none!important;background:var(--v-glass)}
.v3-chips a:hover{border-color:var(--v-cyan)}

.smv3 #sm-follow{max-width:1152px!important;margin:40px auto 20px!important;background:linear-gradient(120deg,#0A1224,#0B2A38)!important;color:var(--v-dim)!important;border:1px solid var(--v-hair2)!important;border-radius:20px!important;padding:34px 36px!important}
.smv3 #sm-follow h2{color:#fff!important}
.smv3 #sm-follow a{color:var(--v-cyan)!important}
.v3-world{max-width:1200px;margin:40px auto 30px;padding:0 24px}
.v3-world .v3-chips a{font-family:var(--sans);font-size:.9rem}

/* ---------- search palette ---------- */
.v3-pal{position:fixed;inset:0;z-index:200;display:flex;justify-content:center;align-items:flex-start;padding:12vh 16px 16px}
.v3-pal[hidden]{display:none}
.v3-pal-scrim{position:absolute;inset:0;background:rgba(3,5,10,.62);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.v3-pal-box{position:relative;width:min(680px,100%);background:#0B1122;border:1px solid var(--v-hair2);border-radius:18px;box-shadow:0 40px 120px -20px rgba(0,0,0,.9),0 0 0 1px rgba(34,211,238,.08);overflow:hidden;color:var(--v-text);font-family:var(--sans);animation:v3-in .16s ease-out}
@keyframes v3-in{from{transform:translateY(-6px) scale(.985);opacity:0}}
.v3-pal-in{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--v-hair)}
.v3-pal-in svg{width:18px;height:18px;fill:none;stroke:var(--v-dim);stroke-width:2;flex:none}
.v3-pal-in input{flex:1;background:transparent;border:0;color:#fff;font:500 1.05rem var(--sans);outline:none;min-width:0}
.smv3 .v3-pal-in input:focus-visible{outline:none}
.v3-pal-in input::placeholder{color:var(--v-faint)}
.v3-pal-in input::-webkit-search-cancel-button{display:none}
.v3-pal kbd{cursor:pointer}
.v3-pal ul{list-style:none;margin:0;padding:6px;max-height:52vh;overflow:auto}
.v3-pal li a{display:grid;grid-template-columns:78px 1fr;gap:2px 12px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--v-text);text-decoration:none}
.v3-pal li[aria-selected="true"] a,.v3-pal li a:hover{background:rgba(34,211,238,.1)}
.v3-pal li a > span{grid-row:span 2;font:600 .68rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--v-faint);border:1px solid var(--v-hair2);border-radius:6px;padding:3px 6px;text-align:center}
.v3-pal li a > .v3-k-school{color:var(--v-cyan);border-color:rgba(34,211,238,.4)}
.v3-pal li a > .v3-k-tool{color:var(--v-lime);border-color:rgba(163,230,53,.35)}
.v3-pal li b{font-weight:500}
.v3-pal li small{color:var(--v-faint);font:500 .76rem var(--mono)}
.v3-pal-empty{padding:18px 14px;color:var(--v-dim)}
.v3-pal-foot{margin:0;padding:10px 16px;border-top:1px solid var(--v-hair);font-size:.76rem;color:var(--v-faint)}

/* ---------- tools (shared by /tools/ pages) ---------- */
.v3-tool{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:24px;margin:24px 0 10px;align-items:start}
.v3-panel{background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:22px}
.v3-panel h3{margin:0 0 14px;font-size:1rem}
.v3-field{display:block;margin:0 0 14px}
.v3-field[hidden],[data-sec][hidden]{display:none}
.v3-field > span{display:block;font:600 .72rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.v3-field select,.v3-field input{width:100%;font:500 1rem var(--sans);padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.v3-field input[type=checkbox]{width:auto;margin-right:8px}
.v3-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.v3-out{background:linear-gradient(160deg,#0A1022,#0D1A30);color:var(--v-text);border-radius:16px;padding:24px;border:1px solid #1C2640;position:sticky;top:84px}
.v3-out .v3-big{font:700 clamp(1.9rem,4vw,2.6rem)/1.05 var(--mono);letter-spacing:-.04em;color:#fff;margin:4px 0 4px}
.v3-out .v3-big small{font-size:.9rem;color:var(--v-dim);letter-spacing:0}
.v3-out .v3-lab{font:600 .7rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--v-cyan)}
.v3-out table{width:100%;min-width:0;border-collapse:collapse;margin:16px 0 8px;font-size:.9rem}
.v3-out td{padding:8px 0;border-bottom:1px solid rgba(148,163,184,.15);color:var(--v-dim)}
.v3-out td:last-child{text-align:right;font-family:var(--mono);color:#fff;white-space:nowrap}
.v3-out p{color:var(--v-dim);font-size:.88rem;margin:.6em 0 0}
.v3-out a{color:var(--v-cyan)!important}
.v3-out .v3-warn{border-left:3px solid var(--v-amber);padding:8px 12px;background:rgba(251,191,36,.08);border-radius:0 8px 8px 0;color:#FDE68A}
.v3-btn{display:inline-flex;align-items:center;gap:8px;font:600 .9rem var(--sans);padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink)!important;text-decoration:none!important;cursor:pointer}
.v3-btn.v3-primary{background:var(--ink);color:#fff!important;border-color:var(--ink)}
.v3-plan{list-style:none;padding:0;margin:14px 0 0;position:relative}
.v3-plan::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--v-cyan),var(--v-violet))}
.v3-plan li{position:relative;padding:0 0 18px 38px}
.v3-plan li::before{content:"";position:absolute;left:5px;top:5px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--v-cyan)}
.v3-plan li.v3-past::before{background:var(--v-cyan)}
.v3-plan li.v3-now::before{border-color:var(--v-amber);box-shadow:0 0 0 5px rgba(251,191,36,.2)}
.v3-plan time{display:block;font:600 .82rem var(--mono);color:var(--accent)}
.v3-plan b{display:block;margin:2px 0}
.v3-plan span{color:var(--ink-2);font-size:.93rem}
.v3-svc{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:16px 0 8px}
.v3-svc article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px}
.v3-svc article em{font:600 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-style:normal}
.v3-svc article strong{font-size:1.08rem}
.v3-svc article span{font-size:.92rem;color:var(--ink-2)}
.v3-svc article a{margin-top:auto;padding-top:8px;font-weight:600}
.v3-disc{font-size:.86rem;color:var(--muted);background:var(--surface-2);border-radius:10px;padding:10px 14px}
.v3-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 4px}
.v3-tabs button{font:600 .82rem var(--mono);padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.v3-tabs button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.v3-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:18px 0}
.v3-kpis div{background:linear-gradient(160deg,#0A1022,#0D1A30);border-radius:14px;padding:16px 18px;color:var(--v-dim);border:1px solid #1C2640}
.v3-kpis b{display:block;font:700 1.6rem var(--mono);color:#fff;letter-spacing:-.03em}
.v3-kpis small{font:600 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase}

/* ---------- footer ---------- */
.smv3 .site-footer{background:var(--v-void)!important;color:var(--v-dim)!important;border-top:1px solid var(--v-hair)!important;position:relative;overflow:hidden}
.smv3 .site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--v-grad);opacity:.7}
.smv3 .site-footer .wrap{max-width:1200px}
.smv3 .site-footer .brand{color:#fff}
.smv3 .foot-intro p,.smv3 .foot-pub{color:var(--v-faint)}
.smv3 .foot-cols h2{color:#fff;font:600 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase}
.smv3 .foot-cols a,.smv3 .foot-legal a,.smv3 .foot-pub a,.smv3 .site-footer a{color:var(--v-dim)!important}
.smv3 .site-footer a:hover{color:#fff!important}
.smv3 .foot-legal{border-top-color:var(--v-hair)}
.v3-foot-machine{max-width:1200px;margin:0 auto;padding:18px 24px 0;display:flex;flex-wrap:wrap;gap:8px 18px;font:500 .78rem var(--mono);color:var(--v-faint)}
.v3-foot-machine a{color:var(--v-dim)!important}

/* ---------- responsive + motion ---------- */
@media (max-width:1080px){.smv3 .site-header nav a{padding:7px 8px;font-size:.86rem}.v3-find span{display:none}}
@media (max-width:980px){
  .v3-hero-in{grid-template-columns:1fr;gap:36px;padding:56px 20px 80px}
  .v3-grid{grid-template-columns:repeat(2,1fr)}.v3-grid-3{grid-template-columns:1fr 1fr}
  .v3-machines{grid-template-columns:1fr}
  .v3-tool{grid-template-columns:1fr}.v3-out{position:static}
  .smv3 .nav-toggle{display:inline-block}
  .smv3 .site-header .bar{flex-wrap:wrap}
  .smv3 .site-header nav{order:5;flex-basis:100%;margin:0;display:none}
  .smv3 .site-header nav.open{display:block}
  .smv3 .site-header nav ul{flex-direction:column;padding:6px 0 10px;border:0}
  .smv3 .site-header nav li{border:0!important;margin:0}
  .smv3 .site-header nav a{padding:11px 10px;font-size:1rem}
  .smv3 .v3-find{margin-left:auto}
  .smv3 .nav-toggle{margin-left:0}
  .smv3 .site-header .bar{padding:10px 14px;gap:10px}
}
@media (max-width:420px){.smv3 .site-header .brand{font-size:.98rem}.smv3 .site-header .brand::before{width:24px;height:24px}}
@media (max-width:640px){
  body.smv3{font-size:16px}
  .v3-row{flex-direction:column}.v3-row button{width:100%}
  .v3-grid,.v3-grid-3{grid-template-columns:1fr}
  .smv3:not(.smv3-home) main{margin:14px 10px!important;padding:26px 18px 40px!important}
  .smv3:not(.smv3-home) main.article,.smv3:not(.smv3-home) main.sm-main{margin:14px 10px;padding:26px 18px 40px;border-radius:14px}
  .smv3 #sm-follow{margin:30px 12px!important;padding:24px 20px!important}
  .v3-machines{padding:22px}
  .v3-two{grid-template-columns:1fr}
  .v3-toc ol{columns:1}
  .smv3 .v3-find kbd{display:none}
}
@media (prefers-reduced-motion:reduce){
  .v3-hero::before,.v3-dot{animation:none}
  .v3-tile,.smv3 .card,.v3-pal-box,.smv3 .entry > article.post{transition:none;animation:none}
}
@media print{.smv3 .site-header,.v3-progress,.v3-toc,.smv3 .site-footer,.v3-pal{display:none!important}body.smv3{background:#fff}body.smv3::before{display:none}}