:root{
  --ink:#171717;--muted:#5f625d;--paper:#f7f3e8;--panel:#fffdf7;
  --line:#20201e;--accent:#155eef;--accent-soft:#e8efff;--good:#0f6b43;
  --warn:#8a4b00;--danger:#a32626;--shadow:5px 5px 0 #20201e;
  --radius:14px;--max:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}
a{color:inherit;text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}
button,input,select{font:inherit}
button{cursor:pointer}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:.7rem;z-index:99}.skip-link:focus{left:.7rem;top:.7rem}
.site-header{border-bottom:2px solid var(--line);background:rgba(247,243,232,.96);position:sticky;top:0;z-index:40;backdrop-filter:blur(12px)}
.header-inner{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;font-weight:900;letter-spacing:-.03em}
.brand-mark{display:grid;place-items:center;width:2.1rem;height:2.1rem;background:var(--ink);color:white;border-radius:7px;font-size:.86rem}
.nav{display:flex;flex-wrap:wrap;gap:.35rem}.nav a{padding:.45rem .65rem;text-decoration:none;border-radius:8px;font-weight:700;font-size:.9rem}.nav a[aria-current="page"],.nav a:hover{background:var(--ink);color:#fff}
.container{max-width:var(--max);margin:auto;padding:0 1rem}.narrow{max-width:800px}
.hero{padding:4.7rem 0 3.6rem;border-bottom:2px solid var(--line)}
.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--accent)}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin-top:0}h1{font-size:clamp(2.5rem,7vw,5.8rem);max-width:950px;margin-bottom:1.2rem}h2{font-size:clamp(1.8rem,4vw,3.15rem)}h3{font-size:1.25rem}
.lede{font-size:clamp(1.05rem,2vw,1.35rem);max-width:780px;color:#333;margin:0 0 1.6rem}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
.button,.button-secondary{border:2px solid var(--line);border-radius:9px;padding:.72rem 1rem;font-weight:850;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:46px}
.button{background:var(--ink);color:#fff;box-shadow:3px 3px 0 var(--accent)}.button:hover{color:#fff;transform:translate(1px,1px);box-shadow:2px 2px 0 var(--accent)}
.button-secondary{background:var(--panel);color:var(--ink)}.button-secondary:hover{background:var(--accent-soft)}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);border:2px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:2.2rem;background:var(--panel);box-shadow:var(--shadow)}
.trust-strip div{padding:1rem;border-right:1px solid var(--line)}.trust-strip div:last-child{border-right:0}.trust-strip strong{display:block;font-size:.95rem}.trust-strip span{font-size:.82rem;color:var(--muted)}
.section{padding:4rem 0}.section-tight{padding:2.5rem 0}.section-border{border-top:2px solid var(--line)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}
.card{background:var(--panel);border:2px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}
.card p:last-child{margin-bottom:0}.card-kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--accent)}
.callout{border-left:6px solid var(--accent);background:var(--accent-soft);padding:1rem 1.15rem;border-radius:0 10px 10px 0}.callout.warn{border-color:#e69400;background:#fff4d8}.callout.good{border-color:var(--good);background:#eaf8f1}.callout.danger{border-color:var(--danger);background:#fff0f0}
.tool-shell{background:#fff;border:2px solid var(--line);border-radius:18px;box-shadow:8px 8px 0 var(--line);overflow:hidden}
.tool-head{padding:1.2rem 1.3rem;border-bottom:2px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;background:#f5f7ff}.tool-head h2{font-size:1.65rem;margin-bottom:.35rem}.status-pill{white-space:nowrap;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.35rem .65rem;font-weight:800;font-size:.8rem}
.tool-controls{padding:1.2rem 1.3rem;border-bottom:2px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:.7rem;background:var(--panel)}
.file-label{position:relative;overflow:hidden}.file-label input{position:absolute;inset:0;opacity:0;cursor:pointer}
.privacy-note{font-size:.88rem;color:var(--muted);margin-left:auto;max-width:410px}
.summary-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.8rem;padding:1.2rem 1.3rem;background:#f8f8f5;border-bottom:2px solid var(--line)}
.metric{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:.85rem;min-width:0}.metric span{display:block;color:var(--muted);font-size:.75rem;font-weight:750;text-transform:uppercase;letter-spacing:.06em}.metric strong{display:block;font-size:1.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:.2rem}
.tool-section{padding:1.35rem;border-bottom:2px solid var(--line)}.tool-section:last-child{border-bottom:0}.tool-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1rem}.tool-section-head h3{margin:0}.tool-section-head p{margin:0;color:var(--muted);font-size:.9rem}
.controls-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:.7rem;margin-bottom:.9rem}.field{display:flex;flex-direction:column;gap:.3rem}.field label{font-size:.78rem;font-weight:850}.field input,.field select{border:1.5px solid var(--line);border-radius:8px;padding:.62rem .7rem;background:#fff;min-width:0}
.checkbox-row{display:flex;flex-wrap:wrap;gap:.75rem 1rem;margin:.5rem 0 1rem}.checkbox-row label{display:flex;gap:.42rem;align-items:center;font-size:.9rem;font-weight:700}
.table-wrap{overflow:auto;border:1.5px solid var(--line);border-radius:10px;background:#fff}.data-table{width:100%;border-collapse:collapse;min-width:760px}.data-table th,.data-table td{padding:.62rem .72rem;text-align:left;border-bottom:1px solid #d8d8d2;vertical-align:top}.data-table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;background:#efefe9;position:sticky;top:0;z-index:1}.data-table tr:last-child td{border-bottom:0}.data-table td.path{max-width:420px;word-break:break-word}.data-table .danger-text{color:var(--danger);font-weight:850}.data-table .ok-text{color:var(--good);font-weight:850}
.table-footer{display:flex;justify-content:space-between;align-items:center;gap:.8rem;margin-top:.8rem;font-size:.85rem}.pager{display:flex;gap:.4rem}.pager button{border:1.5px solid var(--line);background:#fff;border-radius:7px;padding:.35rem .65rem}.pager button:disabled{opacity:.45;cursor:not-allowed}
.bar-list{display:grid;gap:.6rem}.bar-row{display:grid;grid-template-columns:minmax(100px,1fr) 3fr auto;gap:.7rem;align-items:center;font-size:.88rem}.bar-track{height:10px;background:#e0e0da;border-radius:999px;overflow:hidden}.bar-fill{height:100%;background:var(--accent)}
.group-list{display:grid;gap:.8rem}.group-card{border:1.5px solid var(--line);border-radius:10px;padding:.9rem;background:#fff}.group-card summary{cursor:pointer;font-weight:850}.group-meta{color:var(--muted);font-size:.84rem}.group-files{margin:.65rem 0 0;padding-left:1.2rem;font-size:.86rem;word-break:break-all}
.progress{width:100%;height:12px;background:#e4e4df;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:.7rem 0}.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.note{font-size:.86rem;color:var(--muted)}
.definition{display:grid;grid-template-columns:180px 1fr;gap:.5rem 1rem;border-top:1px solid #c9c9c2;padding:.75rem 0}.definition:first-child{border-top:0}.definition dt{font-weight:850}.definition dd{margin:0}
.article-head{padding:4.2rem 0 2.6rem;border-bottom:2px solid var(--line)}.article-head h1{font-size:clamp(2.35rem,6vw,4.5rem);max-width:900px}.meta-line{display:flex;flex-wrap:wrap;gap:.55rem 1rem;color:var(--muted);font-size:.87rem}.article{padding:3rem 0}.article h2{font-size:2rem;margin-top:2.8rem}.article h3{margin-top:2rem}.article p,.article li{font-size:1.04rem}.article table{width:100%;border-collapse:collapse;margin:1.4rem 0;display:block;overflow-x:auto;max-width:100%}.article th,.article td{border:1px solid var(--line);padding:.7rem;vertical-align:top}.article th{background:#ecebe5;text-align:left}.article pre{overflow:auto;background:#171717;color:#f7f3e8;padding:1rem;border-radius:10px}.article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.article .toc{background:var(--panel);border:1.5px solid var(--line);border-radius:12px;padding:1rem 1.2rem}.article .toc ol{margin-bottom:0}.article figure{margin:2rem 0}.article figcaption{font-size:.84rem;color:var(--muted);margin-top:.5rem}
.guide-card{display:flex;flex-direction:column}.guide-card .button-secondary{margin-top:auto;align-self:flex-start}
.faq details{border-top:1.5px solid var(--line);padding:1rem 0}.faq details:last-child{border-bottom:1.5px solid var(--line)}.faq summary{cursor:pointer;font-weight:900}
.site-footer{border-top:2px solid var(--line);padding:2.5rem 0 3rem;background:#efeadc}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1.5rem}.footer-links{display:grid;gap:.4rem}.footer-small{margin-top:1.5rem;color:var(--muted);font-size:.82rem}
.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}
#live-message{min-height:1.4em;font-weight:750;font-size:.88rem}
@media(max-width:900px){.summary-grid{grid-template-columns:repeat(2,1fr)}.summary-grid .metric:last-child{grid-column:1/-1}.grid-3{grid-template-columns:1fr 1fr}.trust-strip{grid-template-columns:1fr 1fr}.trust-strip div:nth-child(2){border-right:0}.trust-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.privacy-note{margin-left:0}.controls-grid{grid-template-columns:1fr 1fr}.controls-grid .field:first-child{grid-column:1/-1}}
@media(max-width:640px){.site-header{position:static}.header-inner{align-items:flex-start;flex-direction:column}.nav{width:100%;overflow:auto;flex-wrap:nowrap;padding-bottom:.2rem}.nav a{white-space:nowrap}.hero{padding:3.2rem 0 2.8rem}h1{font-size:2.65rem}.grid-2,.grid-3{grid-template-columns:1fr}.trust-strip{grid-template-columns:1fr}.trust-strip div{border-right:0!important;border-bottom:1px solid var(--line)}.trust-strip div:last-child{border-bottom:0}.summary-grid{grid-template-columns:1fr 1fr;padding:.9rem}.tool-head{flex-direction:column}.tool-controls{align-items:stretch}.tool-controls .button,.tool-controls .button-secondary,.tool-controls .file-label{width:100%}.controls-grid{grid-template-columns:1fr}.controls-grid .field:first-child{grid-column:auto}.tool-section{padding:1rem}.bar-row{grid-template-columns:90px 1fr auto}.definition{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.article-head{padding:3rem 0 2rem}.article{padding:2rem 0}.article h2{font-size:1.7rem}.hero-actions .button,.hero-actions .button-secondary{width:100%}.table-footer{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Hub navigation: expose every link on narrow screens. */
@media(max-width:640px){.nav{flex-wrap:wrap;overflow:visible}.nav a{white-space:normal}.brand{max-width:100%}}
:focus-visible{outline:3px solid #176b58;outline-offset:4px}.card{padding:1.3rem;border:1px solid var(--line);border-radius:12px}.article table{width:100%;border-collapse:collapse}.article th,.article td{padding:.7rem;border:1px solid var(--line);text-align:left;overflow-wrap:anywhere}