:root{--ink:#0f172a;--ink2:#334155;--mut:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--acc:#f59e0b;--acc2:#b45309;--blue:#1d4ed8;--r:14px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.25;letter-spacing:-.01em}h1{font-size:clamp(1.7rem,4vw,2.5rem);margin:.2em 0 .4em}h2{font-size:1.4rem;margin:1.8em 0 .6em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}.narrow{max-width:860px}.page{padding-top:18px;padding-bottom:60px}
.top{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;gap:20px;min-height:62px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}.logo:hover{text-decoration:none}.logo-mark{background:var(--acc);color:var(--ink);font:800 13px/1 ui-monospace,monospace;padding:7px 8px;border-radius:7px}
.top nav{display:flex;gap:16px;flex-wrap:wrap}.top nav a{color:#cbd5e1;font-size:.93rem}.top nav a:hover{color:#fff}
.nav-search{margin-left:auto}.nav-search input{background:#1e293b;border:1px solid #334155;color:#fff;border-radius:10px;padding:8px 12px;width:180px;font:inherit;font-size:.9rem}
@media(max-width:860px){.top nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:10px}.top nav a{white-space:nowrap}.nav-search input{width:130px}.top{position:static}}
.hero{background:radial-gradient(1200px 400px at 80% -10%,#334155,transparent),var(--ink);color:#fff;padding:56px 0 64px}.hero .lede{color:#cbd5e1;max-width:680px;font-size:1.12rem}
.eyebrow{color:var(--acc);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin:0}
.search{position:relative;max-width:640px}.search input{width:100%;font:inherit;font-size:1.15rem;padding:16px 18px;border-radius:12px;border:2px solid var(--line);background:#fff;color:var(--ink)}.search input:focus{outline:none;border-color:var(--acc)}
.hero-search input{border-color:transparent;box-shadow:0 10px 30px rgba(0,0,0,.25)}
#results{position:absolute;left:0;right:0;top:100%;margin-top:6px;z-index:30;background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(15,23,42,.18);max-height:420px;overflow:auto;display:none}#results.on{display:block}
.tries{color:#94a3b8;margin-top:16px}.tries a{color:#fde68a;margin-right:10px;font-family:ui-monospace,monospace}
.clist{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}#results.clist{display:none;grid-template-columns:1fr;gap:0}#results.on{display:grid}
.clist a{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;color:var(--ink)}.clist a:hover{border-color:var(--acc);text-decoration:none}
#results a{border:0;border-bottom:1px solid var(--line);border-radius:0}.clist b{font-family:ui-monospace,monospace;color:var(--acc2);min-width:54px}.clist span{flex:1;font-size:.92rem;color:var(--ink2)}
.sev-dot{width:9px;height:9px;border-radius:50%;flex:none}.sev-low{background:#16a34a}.sev-moderate{background:#eab308}.sev-high{background:#ea580c}.sev-severe{background:#dc2626}
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:4px;color:var(--ink);transition:.15s}.ccard:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,23,42,.08);text-decoration:none}
.ccard b{font:800 1.25rem ui-monospace,monospace;color:var(--acc2)}.ccard span{font-size:.92rem;color:var(--ink2)}.ccard em{font-style:normal;font-size:.85rem;color:var(--mut);margin-top:auto}
.tools3{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:40px}.tool{background:var(--ink);color:#e2e8f0;border-radius:var(--r);padding:22px}.tool h3{color:#fff;margin:0 0 6px}.tool:hover{text-decoration:none;background:#1e293b}.tool p{margin:0;color:#cbd5e1}
.catgrid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}.catgrid a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;color:var(--ink);display:flex;flex-direction:column}.catgrid span{color:var(--mut);font-size:.88rem}
.crumbs{font-size:.86rem;color:var(--mut);margin-bottom:10px}.crumbs a{color:var(--mut)}
.code-hero{display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;margin-bottom:22px}
.code-tag{font:800 1.6rem ui-monospace,monospace;background:var(--ink);color:var(--acc);padding:16px 18px;border-radius:12px;flex:none}
.code-hero h1{font-size:clamp(1.4rem,3vw,2rem);margin-top:0}.lede{font-size:1.08rem;color:var(--ink2)}
.meta{display:flex;gap:8px;flex-wrap:wrap}.pill,.sev{display:inline-block;font-size:.8rem;font-weight:600;padding:4px 10px;border-radius:99px;background:#f1f5f9;color:var(--ink2)}.pill.diesel{background:#1e293b;color:#fde68a}
.sev.sev-low{background:#dcfce7;color:#166534}.sev.sev-moderate{background:#fef9c3;color:#854d0e}.sev.sev-high{background:#ffedd5;color:#9a3412}.sev.sev-severe{background:#fee2e2;color:#991b1b}
@media(max-width:640px){.code-hero{flex-direction:column;padding:18px}.code-tag{font-size:1.2rem;padding:10px 12px}}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px}@media(max-width:960px){.layout{grid-template-columns:1fr}.side{display:none}}
.content section{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:4px 24px 14px;margin-bottom:16px}.content section h2{margin-top:18px}
.content li{margin:.3em 0}.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-bottom:16px}.quick div{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:12px 14px}.quick span{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--acc2);font-weight:700}.quick b{font-weight:600;font-size:.95rem}
.note{background:#f1f5f9;border-left:4px solid var(--acc);padding:10px 14px;border-radius:6px;font-size:.94rem}.small{font-size:.86rem;color:var(--mut)}
table.cost{width:100%;border-collapse:collapse;margin:8px 0}.cost td,.cost th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}.cost th{font-size:.82rem;text-transform:uppercase;color:var(--mut)}.cost td:last-child{white-space:nowrap;font-weight:600}
.make{border-left:3px solid var(--blue);padding:2px 14px;margin:10px 0}.make h3{margin:6px 0 2px;font-size:1rem}.make p{margin:0 0 6px}
details{border-bottom:1px solid var(--line);padding:10px 0}summary{cursor:pointer;font-weight:600}details p{margin:.5em 0 0}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:10px}.chip{background:#f1f5f9;border-radius:99px;padding:6px 12px;font-size:.88rem;color:var(--ink2)}.chip b{font-family:ui-monospace,monospace;color:var(--acc2)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px}.sticky{position:sticky;top:84px}.side a{display:block;padding:4px 0;color:var(--ink2);font-size:.94rem}.side h3{margin:0 0 6px;font-size:.9rem;text-transform:uppercase;color:var(--mut)}
.btn,.side a.btn{display:inline-block;background:var(--acc);color:var(--ink);font-weight:700;padding:10px 14px;border-radius:10px;text-align:center}.btn:hover{text-decoration:none;filter:brightness(.95)}
hr{border:0;border-top:1px solid var(--line);margin:12px 0}.ad-slot{margin:16px 0;min-height:0}
.catnav{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.catnav a{background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:99px;font-size:.88rem}
.callout{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:14px 16px;margin:16px 0}
.est label{display:block;font-weight:600;font-size:.9rem;margin-bottom:12px}.est input,.est select{display:block;width:100%;margin-top:4px;font:inherit;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}
.est .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.eout{background:var(--ink);color:#fff;border-radius:12px;padding:18px 20px;margin-top:6px}.eout .big{font:800 2rem ui-monospace,monospace;color:var(--acc)}
#elist{margin-top:12px}#elist button{all:unset;cursor:pointer;display:block;padding:8px 10px;border-bottom:1px solid var(--line);width:100%;box-sizing:border-box}#elist button:hover{background:#fffbeb}
.lights{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.light{background:#fff;border:1px solid var(--line);border-top:5px solid #f59e0b;border-radius:12px;padding:14px 16px}.light.red{border-top-color:#dc2626}.light h3{margin:4px 0}.lc{font-size:.8rem;text-transform:uppercase;font-weight:700;color:var(--mut);margin:0}.light.hide{display:none}
.filters{display:flex;gap:8px;margin:14px 0}.filters button{font:inherit;border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 14px;cursor:pointer}.filters button.on{background:var(--ink);color:#fff}
.toc{display:flex;flex-wrap:wrap;gap:6px 16px;margin:16px 0}
.foot{background:var(--ink);color:#94a3b8;padding:40px 0 20px;margin-top:40px}.fgrid{display:grid;gap:24px;grid-template-columns:2fr 1fr 1fr 1fr}.foot h4{color:#fff;margin:0 0 8px}.foot a{display:block;color:#cbd5e1;font-size:.92rem;padding:2px 0}.flogo{color:#fff;font-weight:700}.fbot{border-top:1px solid #1e293b;margin-top:24px;padding-top:14px;font-size:.84rem}
@media(max-width:760px){.fgrid{grid-template-columns:1fr 1fr}}
.how{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:6px 24px 14px;margin-top:40px}
.fbadges{border-top:1px solid #1e293b;margin-top:24px;padding-top:16px}.fbadges-label{margin:0 0 10px;font-size:.78rem;color:#64748b;text-transform:uppercase;letter-spacing:.04em}.badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;opacity:.75;transition:opacity .2s}.badges:hover{opacity:.95}.foot .badges a{display:inline-flex;line-height:0;padding:0;font-size:0;color:inherit}.badges img{height:36px!important;width:auto!important;max-width:none}