:root{--bg:#f7f8fb;--card:#fff;--ink:#0f172a;--mut:#64748b;--line:#e5e7eb;--acc:#4f46e5;--acc2:#eef2ff;--ok:#16a34a;--warn:#d97706;--bad:#dc2626;--r:16px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.in{max-width:1100px;margin:auto;padding:0 1rem}
.top{background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top .in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:58px;flex-wrap:wrap}
.logo{font-weight:800;color:var(--ink);letter-spacing:-.01em}.logo span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--acc);color:#fff;margin-right:.3rem}
nav{display:flex;gap:.2rem;overflow-x:auto}nav a{color:var(--mut);padding:.4rem .7rem;border-radius:8px;white-space:nowrap;font-size:.95rem}nav a:hover{background:var(--acc2);color:var(--acc);text-decoration:none}
main{max-width:1100px;margin:auto;padding:1.2rem 1rem 2rem}
h1{font-size:clamp(1.6rem,4.5vw,2.4rem);letter-spacing:-.02em;line-height:1.15;margin:.3em 0 .4em}h2{font-size:1.25rem;margin:.2em 0 .6em}h3{margin:.2em 0 .5em}
.on{color:var(--mut);font-weight:500}.muted{color:var(--mut)}.small{font-size:.88rem}.center{text-align:center}.crumb{color:var(--mut);margin:0;font-size:.92rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem;margin:1rem 0;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.7rem;margin:1rem 0}.stats div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:.8rem 1rem;color:var(--mut);font-size:.85rem}
.stats b{display:block;font-size:1.6rem;color:var(--ink);letter-spacing:-.02em}.stats.big b{font-size:2rem;color:var(--acc)}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -.2rem}table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{padding:.6rem .6rem;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{color:var(--mut);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
tr:hover td{background:#fafbff}.num{font-size:1.05rem}.chip{background:#f1f5f9;border-radius:6px;padding:.1rem .45rem;font-size:.82rem}.src{font-size:.85rem;white-space:nowrap}
details{margin-top:.8rem}summary{cursor:pointer;color:var(--mut);font-size:.9rem}
.tag{display:inline-block;font-size:.75rem;font-weight:700;padding:.2rem .6rem;border-radius:99px;text-transform:uppercase;letter-spacing:.04em}
.tag.measured{background:#dcfce7;color:#166534}.tag.estimate{background:#fef3c7;color:#92400e}
.attr{font-size:.85rem;color:var(--mut);background:#f8fafc;border-left:3px solid var(--acc);padding:.6rem .8rem;border-radius:8px}
.btn{display:inline-block;background:var(--acc);color:#fff;font-weight:600;padding:.75rem 1.2rem;border-radius:12px;border:0;cursor:pointer;font:inherit;font-weight:600;margin:.2rem}
.btn:hover{text-decoration:none;filter:brightness(1.08)}.btn.ghost{background:var(--acc2);color:var(--acc)}.btn.big{width:100%;font-size:1.1rem;padding:1rem;text-align:center;margin-top:1rem}.btn.dis{opacity:.4;pointer-events:none}
.warn{background:#fffbeb;border:1px solid #fcd34d;padding:.8rem 1rem;border-radius:12px}
form{display:grid;gap:.9rem}label{display:grid;gap:.3rem;font-weight:600;font-size:.92rem}
input,select,textarea{padding:.75rem .9rem;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:400}input:focus,textarea:focus{outline:2px solid var(--acc);border-color:transparent}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:#f1f5f9;border-radius:6px}code{padding:.1rem .35rem}pre{padding:.8rem;overflow-x:auto}kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 .3rem;font-size:.85em;background:#fff}
.filter{width:100%;margin:.5rem 0 1rem}.filter.big{font-size:1.1rem;padding:.95rem 1.1rem}
.list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.6rem}.list a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.75rem .9rem;color:var(--ink);font-weight:600}
.list a:hover{border-color:var(--acc);text-decoration:none}.list small,.tcard small,.gcard small{display:block;color:var(--mut);font-weight:400;font-size:.82rem}
footer{border-top:1px solid var(--line);background:#fff;color:var(--mut);font-size:.86rem;padding:1.2rem 0;margin-top:2rem}
/* wizard */
main.wide{max-width:1100px}.wiz{min-height:70vh}
.steps{display:flex;gap:.4rem;margin:.2rem 0 1rem;overflow-x:auto}.steps span{flex:1;text-align:center;font-size:.8rem;font-weight:600;color:var(--mut);padding:.5rem;border-radius:99px;background:#eef0f4;white-space:nowrap}
.steps .on{background:var(--acc);color:#fff}.steps .done{background:var(--acc2);color:var(--acc)}
.hero{text-align:center;font-size:clamp(2rem,7vw,3.2rem);margin-top:.6em}.hero em{font-style:normal;background:linear-gradient(90deg,#4f46e5,#db2777);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{text-align:center;color:var(--mut);font-size:1.1rem;max-width:560px;margin:0 auto 1.5rem}.q{font-size:1.15rem;margin:1.2rem 0 .7rem}
.cards6{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}@media(min-width:760px){.cards6{grid-template-columns:repeat(3,1fr)}}.cards6.small{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.tcard{display:flex;flex-direction:column;gap:.25rem;background:var(--card);border:1.5px solid var(--line);border-radius:18px;padding:1.1rem;min-height:130px;color:var(--ink);transition:.15s;box-shadow:0 1px 3px rgba(15,23,42,.05)}
.cards6.small .tcard{min-height:auto;text-align:center}.tcard:hover,.tcard:focus{border-color:var(--acc);transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,70,229,.12);text-decoration:none}
.tcard b{font-size:1.08rem}.ic{font-size:1.8rem;line-height:1}
.back{display:inline-block;color:var(--mut);margin-bottom:.3rem;font-weight:600}
.helpgrid{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.helpgrid .card{margin:0}.helpgrid ol{padding-left:1.2rem;margin:0}.helpgrid li{margin:.35rem 0}
.gpugrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.6rem;max-height:52vh;overflow-y:auto;padding:.2rem}
.gcard{text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:14px;padding:.85rem;font:inherit;color:var(--ink);cursor:pointer;min-height:64px}
.gcard:hover{border-color:var(--acc)}.gcard.sel,.mchip.sel{border-color:var(--acc);background:var(--acc2);box-shadow:0 0 0 2px var(--acc) inset}
.memsel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1rem;margin-top:1rem;position:sticky;bottom:.5rem;box-shadow:0 -6px 30px rgba(15,23,42,.08)}
.memsel .q{margin-top:0}.mems{display:flex;flex-wrap:wrap;gap:.45rem}.mchip{font:inherit;font-weight:600;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:.6rem .85rem;cursor:pointer;min-width:68px}
.rhead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}.eyebrow{margin:0;color:var(--acc);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.memtag{font-size:.55em;background:var(--acc2);color:var(--acc);padding:.15rem .6rem;border-radius:99px;vertical-align:middle}
.bigstat{display:flex;align-items:center;gap:.7rem;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border-radius:18px;padding:.9rem 1.2rem}.bigstat b{font-size:2.4rem;letter-spacing:-.03em}.bigstat span{font-size:.85rem;line-height:1.3}.bigstat small{opacity:.85}
.ctitle{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem}.ctitle h2{margin:0}
.fit{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.6rem}
.fit li{border:1px solid var(--line);border-radius:14px;padding:.8rem;border-top:4px solid var(--line)}.fit li small{display:block;color:var(--mut);font-size:.78rem}.fit li span{display:block;font-weight:700;margin-top:.3rem}.fit li em{display:block;font-style:normal;color:var(--mut);font-size:.78rem}
.fit .ok{border-top-color:var(--ok)}.fit .ok span{color:var(--ok)}.fit .mid{border-top-color:var(--warn)}.fit .mid span{color:var(--warn)}.fit .no{border-top-color:var(--bad);opacity:.7}.fit .no span{color:var(--bad)}
.est{background:#fffdf5;border-color:#fde68a}.rule{font-size:.85rem;color:#78350f;background:#fef9e7;border-radius:10px;padding:.7rem .8rem;margin-bottom:0}
.swgrid{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.sw{margin:0;display:flex;flex-direction:column}.sw ol{padding-left:1.1rem;font-size:.92rem;flex:1}.sw li{margin:.3rem 0}.sw.first{border:2px solid var(--acc)}
@media(max-width:600px){main{padding:.8rem .8rem 2rem}.card{padding:.9rem}th,td{padding:.5rem .45rem}.top nav a{padding:.35rem .5rem;font-size:.88rem}}