:root{color-scheme:dark;--bg:#08090c;--bg2:#0d0f14;--card:#11141a;--card2:#161a22;--fg:#eceef3;--mut:#9ba3b4;--bd:#222833;--bd2:#2d3442;--acc:#7c8cff;--acc2:#4cc9f0;--accfg:#0a0b10;--ok:#4ade80;--okbg:rgba(74,222,128,.1);--sc:#fbbf24;--scbg:rgba(251,191,36,.1);--es:#fb923c;--esbg:rgba(251,146,60,.1);--code:#0a0c10;--shadow:0 10px 40px -12px rgba(0,0,0,.6);--glow:rgba(124,140,255,.18);--r:14px;--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
[data-theme=light]{color-scheme:light;--bg:#fafbfc;--bg2:#f3f4f7;--card:#fff;--card2:#f7f8fa;--fg:#0f1219;--mut:#576074;--bd:#e3e6ec;--bd2:#cfd4de;--acc:#4f46e5;--acc2:#0284c7;--accfg:#fff;--ok:#15803d;--okbg:rgba(21,128,61,.09);--sc:#a16207;--scbg:rgba(202,138,4,.1);--es:#c2410c;--esbg:rgba(234,88,12,.08);--code:#f3f4f8;--shadow:0 10px 30px -14px rgba(20,25,50,.18);--glow:rgba(79,70,229,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 var(--sans);background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;transition:background .25s,color .25s;min-height:100vh;display:flex;flex-direction:column}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(700px 360px at 80% -5%,var(--glow),transparent 70%),radial-gradient(600px 300px at 5% 0,rgba(76,201,240,.07),transparent 70%);pointer-events:none}
.wrap{width:100%;max-width:1040px;margin:0 auto;padding:0 20px}main.wrap{flex:1;padding-bottom:40px}
a{color:var(--acc);text-decoration:none;text-underline-offset:3px}a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0}h2{font-size:1.25rem}h3{font-size:1.05rem}
code{font-family:var(--mono);font-size:.88em;background:var(--code);border:1px solid var(--bd);padding:1px 6px;border-radius:6px}
/* nav */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--bd)}
.nav .wrap{display:flex;align-items:center;gap:6px;height:58px}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;color:var(--fg);letter-spacing:-.01em;margin-right:auto}.brand:hover{text-decoration:none}
.logo{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:grid;place-items:center;color:#fff;font:700 13px var(--mono);box-shadow:0 4px 14px -4px var(--acc)}
.nav a.l{color:var(--mut);font-size:.9rem;padding:6px 10px;border-radius:8px;transition:.15s}.nav a.l:hover{color:var(--fg);background:var(--card2);text-decoration:none}
.nav a.l[aria-current=page]{color:var(--fg)}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--bd);background:var(--card);color:var(--fg);cursor:pointer;display:grid;place-items:center;transition:.15s}.icon-btn:hover{border-color:var(--bd2);background:var(--card2)}
.icon-btn svg{width:18px;height:18px}[data-theme=dark] .i-sun{display:block}[data-theme=dark] .i-moon{display:none}[data-theme=light] .i-sun{display:none}[data-theme=light] .i-moon{display:block}
@media(max-width:560px){.nav a.l.opt{display:none}}
/* hero */
.hero{padding:64px 0 28px;text-align:center;animation:rise .6s both}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;color:var(--mut);border:1px solid var(--bd);background:var(--card);padding:5px 12px;border-radius:99px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px var(--okbg)}
.hero h1{font-size:clamp(2rem,5.6vw,3.6rem);font-weight:750;letter-spacing:-.035em;margin:18px auto 14px;max-width:16em}
.grad{background:linear-gradient(100deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--mut);font-size:clamp(1rem,2.2vw,1.18rem);max-width:40em;margin:0 auto}
.pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:22px}.pills span{font-size:.8rem;color:var(--mut);padding:4px 11px;border:1px solid var(--bd);border-radius:99px;background:var(--card)}
.page-hero{padding:40px 0 18px;animation:rise .5s both}.page-hero h1{font-size:clamp(1.7rem,4vw,2.5rem);letter-spacing:-.03em;margin:10px 0}.page-hero p{color:var(--mut);margin:0;max-width:50em}
.crumbs{font-size:.85rem;color:var(--mut)}.crumbs a{color:var(--mut)}.crumbs a:hover{color:var(--fg)}
/* surfaces */
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:20px;margin:16px 0;box-shadow:var(--shadow);transition:border-color .2s,transform .2s}
.card.hov:hover{border-color:var(--bd2);transform:translateY(-2px)}
.card>h2{margin-bottom:12px}
/* picker */
.picker{padding:22px;display:grid;gap:20px}
.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.seg>.opt{-webkit-appearance:none;appearance:none;font:inherit;color:inherit;text-align:left;margin:0;width:100%;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.seg .opt{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--bd);border-radius:12px;background:var(--card2);cursor:pointer;transition:.15s;height:100%}
.seg .opt b{font-size:.92rem;font-weight:600;color:var(--fg)}.seg .opt small{font-size:.76rem;color:var(--mut)}
.seg .opt:hover{border-color:var(--bd2)}
.seg .opt.on{border-color:var(--acc);background:color-mix(in srgb,var(--acc) 12%,var(--card2));box-shadow:0 0 0 3px var(--glow)}
.seg .opt:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.seg.small{grid-template-columns:repeat(auto-fit,minmax(86px,1fr))}.seg.small .opt{align-items:center;padding:9px 8px;text-align:center}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.lbl,label.f{display:flex;flex-direction:column;gap:6px;font-size:.78rem;font-weight:550;color:var(--mut);text-transform:uppercase;letter-spacing:.05em}
.lbl .t{font-size:.78rem}
[hidden]{display:none!important}
select,input[type=number],input[type=text],input[type=search],input:not([type]),textarea{font:inherit;font-size:.95rem;text-transform:none;letter-spacing:0;font-weight:450;background:var(--card2);color:var(--fg);border:1px solid var(--bd);border-radius:10px;padding:10px 12px;width:100%;transition:border-color .15s,box-shadow .15s}
select{appearance:none;-webkit-appearance:none;padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%239ba3b4' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
select:hover,input:hover,textarea:hover{border-color:var(--bd2)}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px var(--glow)}
input[type=checkbox]{width:auto;accent-color:var(--acc)}
textarea{resize:vertical;font-family:var(--mono);font-size:.85rem}
/* badges */
.badges{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:550;padding:2px 9px;border-radius:99px;border:1px solid var(--bd);color:var(--mut);background:var(--card2);white-space:nowrap}
.badge.ok,.badge.measured{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent);background:var(--okbg)}
.badge.scaled{color:var(--sc);border-color:color-mix(in srgb,var(--sc) 40%,transparent);background:var(--scbg)}
.badge.est,.badge.estimated{color:var(--es);border-color:color-mix(in srgb,var(--es) 40%,transparent);background:var(--esbg)}
.badge.ok::before,.badge.measured::before,.badge.scaled::before,.badge.est::before,.badge.estimated::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.plain::before{display:none}
/* results */
#results{display:grid;gap:14px;margin-top:8px}
.res{animation:rise .45s both}
.res-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.res-h .n{font:600 .8rem var(--mono);color:var(--mut);border:1px solid var(--bd);border-radius:8px;padding:2px 8px}
.res-h h3{font-size:1.2rem}.res-h .q{color:var(--mut);font-size:.9rem;font-family:var(--mono)}
.tps{margin-left:auto;text-align:right;line-height:1}.tps b{font-size:1.7rem;letter-spacing:-.03em}.tps span{display:block;font-size:.72rem;color:var(--mut);margin-top:4px}
.meter{margin:12px 0 4px}.meter .row{display:flex;justify-content:space-between;font-size:.78rem;color:var(--mut);margin-bottom:6px}.meter .row b{color:var(--fg);font-weight:600}
.bar{height:8px;background:var(--bg2);border:1px solid var(--bd);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--acc),var(--acc2));transform-origin:left;animation:grow .8s cubic-bezier(.2,.8,.2,1) both}
.bar i.warn{background:linear-gradient(90deg,var(--sc),var(--es))}.bar i.ram{background:linear-gradient(90deg,#a78bfa,#f472b6)}
.mut{color:var(--mut);font-size:.88rem}p.mut{margin:8px 0}
.cmd{margin-top:14px;display:grid;gap:10px}
.code{border:1px solid var(--bd);border-radius:12px;background:var(--code);overflow:hidden}
.code .top{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 6px 14px;border-bottom:1px solid var(--bd);font-size:.74rem;color:var(--mut);font-family:var(--mono)}
.code pre{margin:0;padding:12px 14px;overflow-x:auto;font:.82rem/1.55 var(--mono);white-space:pre-wrap;word-break:break-word}
button{font:inherit;cursor:pointer}
button.copy{font-size:.74rem;font-weight:550;color:var(--fg);background:var(--card2);border:1px solid var(--bd);border-radius:8px;padding:4px 11px;transition:.15s}
button.copy:hover{border-color:var(--acc);color:var(--acc)}button.copy.done{color:var(--ok);border-color:var(--ok)}
.btn,button.btn,button[type=submit]{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--acc),color-mix(in srgb,var(--acc) 60%,var(--acc2)));color:var(--accfg);font-weight:600;border:0;border-radius:10px;padding:11px 20px;box-shadow:0 6px 20px -8px var(--acc);transition:transform .15s,box-shadow .15s}
.btn:hover,button[type=submit]:hover{transform:translateY(-1px);text-decoration:none;box-shadow:0 10px 24px -8px var(--acc)}
.btn.ghost{background:var(--card);color:var(--fg);border:1px solid var(--bd);box-shadow:none}.btn.ghost:hover{border-color:var(--bd2)}
.src{font-size:.8rem;color:var(--mut);border-top:1px solid var(--bd);margin-top:14px;padding-top:12px}
/* slots */
.slot{display:flex;align-items:center;gap:14px;border:1.5px dashed var(--bd2);border-radius:var(--r);padding:16px 18px;margin:16px 0;color:var(--mut);font-size:.85rem;background:repeating-linear-gradient(135deg,transparent 0 10px,color-mix(in srgb,var(--fg) 3%,transparent) 10px 20px)}
.slot::before{content:"Placeholder";font:600 .68rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--sc);border:1px solid color-mix(in srgb,var(--sc) 45%,transparent);background:var(--scbg);border-radius:6px;padding:3px 8px;flex:none}
/* tables */
.tw{overflow-x:auto;margin:0 -4px;padding:0 4px}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);font-weight:600;text-align:left;padding:8px 10px;border-bottom:1px solid var(--bd2);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid var(--bd);vertical-align:top}tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--card2)}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
/* index grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin:18px 0}
.hw{display:flex;flex-direction:column;gap:10px;color:var(--fg);padding:18px;border:1px solid var(--bd);background:var(--card);border-radius:var(--r);transition:.2s;box-shadow:var(--shadow);animation:rise .45s both}
.hw:hover{text-decoration:none;border-color:var(--acc);transform:translateY(-3px);box-shadow:0 14px 34px -14px var(--acc)}
.hw .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:color-mix(in srgb,var(--acc) 14%,var(--card2));color:var(--acc);border:1px solid var(--bd)}.hw .ic svg{width:20px;height:20px}
.hw b{font-size:1.02rem;letter-spacing:-.01em}.hw .go{margin-top:auto;font-size:.82rem;color:var(--acc)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:18px 0}
.stat{border:1px solid var(--bd);background:var(--card);border-radius:12px;padding:14px 16px}.stat b{display:block;font-size:1.5rem;letter-spacing:-.03em}.stat span{font-size:.78rem;color:var(--mut)}
.callout{border-left:3px solid var(--acc);background:var(--card);border-radius:0 12px 12px 0;padding:14px 18px;margin:16px 0;color:var(--mut);font-size:.9rem}
.explain{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.explain div{background:var(--card2);border:1px solid var(--bd);border-radius:12px;padding:14px}.explain h3{font-size:.95rem;margin-bottom:6px}
.err{color:#ff8585;font-size:.78rem;min-height:1em;text-transform:none;letter-spacing:0;font-weight:450}
label.row{flex-direction:row;align-items:center;gap:10px;text-transform:none;letter-spacing:0;font-size:.9rem;color:var(--fg);font-weight:450}
.hp{position:absolute;left:-9999px}
.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.formgrid .wide{grid-column:1/-1}
#status{margin-top:12px;font-size:.9rem}
/* footer */
footer.site{border-top:1px solid var(--bd);margin-top:40px;padding:32px 0 40px;color:var(--mut);font-size:.85rem;background:var(--bg2)}
footer.site .cols{display:flex;flex-wrap:wrap;gap:28px 56px;justify-content:space-between}footer.site a{color:var(--mut)}footer.site a:hover{color:var(--fg)}
footer.site ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}footer.site h4{margin:0;color:var(--fg);font-size:.82rem}
footer.site p{max-width:34em;margin:8px 0 0}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:600px){.hero{padding:40px 0 16px}.card{padding:16px}.tps{margin-left:0;text-align:left;width:100%;order:3}.tps b{font-size:1.4rem}}
pre{margin:0;padding:12px 14px;background:var(--code);border:1px solid var(--bd);border-radius:12px;overflow-x:auto;font:.82rem/1.55 var(--mono);white-space:pre-wrap;word-break:break-word}.code pre{border:0;border-radius:0}
.seg,.seg .opt{text-transform:none;letter-spacing:0}.seg.small{grid-template-columns:repeat(auto-fit,minmax(64px,1fr))}
/* sort & filter bar */
.viewbar .vb-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px;margin-bottom:12px}.viewbar h2{margin:0;font-size:1.05rem}.viewbar .vb-top p{margin:0}
.viewbar .vb-fields{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.viewbar input[type=search]{min-height:44px}.viewbar input[type=range]{width:100%;min-height:44px;accent-color:var(--acc)}
.viewbar .dirbtn{min-height:44px;justify-content:center;width:100%}
.viewbar .vb-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.viewbar .vb-actions .btn{padding:9px 16px;min-height:40px}
.viewbar output{color:var(--fg);text-transform:none;letter-spacing:0}
.q-line{margin:2px 0 0;font-size:.85rem}
.tw th button.sortbtn{all:unset;cursor:pointer;font:inherit;color:inherit;display:inline-flex;gap:4px;align-items:center}.tw th button.sortbtn:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:4px}
.tw th[aria-sort=ascending] button::after{content:"\25B2";font-size:.7em}.tw th[aria-sort=descending] button::after{content:"\25BC";font-size:.7em}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ctxnote{margin:8px 0 0;max-width:62ch}.ctxnote:empty{display:none}.ctxwarn,.depthline{line-height:1.5}
.lbl .seg.small{grid-template-columns:repeat(auto-fit,minmax(72px,1fr))}
@media (max-width:520px){.lbl .seg.small{grid-template-columns:repeat(3,1fr)}}
.ctxnote{text-transform:none;letter-spacing:0;font-weight:400}