/* DocumentTaskLab — blueprint theme: pale drafting paper, indigo ink */
:root{
  --dt-bg:#e9edf7; --dt-paper:#fcfdff; --dt-panel:#f2f5fc; --dt-line:#c3cde6;
  --dt-ink:#26306b; --dt-text:#232838; --dt-muted:#5a6480; --dt-accent:#3450c8;
  --dt-accent-deep:#22357f; --dt-code-bg:#eef1fa; --dt-ok:#1d7a4f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--dt-text);
  background-color:var(--dt-bg);
  background-image:
    linear-gradient(rgba(52,80,200,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(52,80,200,.055) 1px,transparent 1px);
  background-size:26px 26px;
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.65}
a{color:var(--dt-accent);text-decoration:none}
a:hover{text-decoration:underline}
.dt-skip{position:absolute;left:-999px;top:0;background:var(--dt-accent);color:#fff;padding:.5rem 1rem;z-index:20}
.dt-skip:focus{left:0}
.dt-topbar{position:sticky;top:0;z-index:10;background:rgba(252,253,255,.97);border-bottom:2px solid var(--dt-ink)}
.dt-topbar-in{max-width:64rem;margin:0 auto;padding:.85rem 1.25rem;display:flex;align-items:center;gap:2rem;flex-wrap:wrap}
.dt-brand{font-weight:700;font-size:1.2rem;color:var(--dt-ink);letter-spacing:.01em}
.dt-brand:hover{text-decoration:none}
.dt-brand .dt-mark{color:var(--dt-accent);border-bottom:3px solid var(--dt-accent)}
.dt-nav{display:flex;gap:1.4rem;margin-left:auto;flex-wrap:wrap}
.dt-nav a{color:var(--dt-muted);font-size:.95rem}
.dt-nav a:hover{color:var(--dt-accent);text-decoration:none}
.dt-wrap{max-width:64rem;margin:0 auto;padding:2.2rem 1.25rem 3.5rem}
.dt-sheet{background:var(--dt-paper);border:1px solid var(--dt-line);box-shadow:6px 6px 0 rgba(38,48,107,.12);padding:2.2rem 2.4rem 2.6rem;margin-top:1.6rem}
.dt-hero{padding:.4rem 0 1.4rem;border-bottom:1px dashed var(--dt-line);margin-bottom:2rem}
.dt-kicker{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dt-accent);margin:0 0 .8rem}
.dt-h1{font-size:2.3rem;line-height:1.2;margin:.2rem 0 1rem;font-weight:700;color:var(--dt-ink)}
.dt-lede{font-size:1.13rem;color:var(--dt-muted);max-width:42rem;margin:0}
.dt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(18rem,1fr));gap:1.1rem;margin:1.6rem 0}
.dt-card{background:var(--dt-panel);border:1px solid var(--dt-line);border-radius:4px;padding:1.25rem 1.35rem}
.dt-card:hover{border-color:var(--dt-accent)}
.dt-card h3{margin:.1rem 0 .5rem;font-size:1.1rem}
.dt-card h3 a{color:var(--dt-ink)}
.dt-card h3 a:hover{color:var(--dt-accent);text-decoration:none}
.dt-card p{margin:0;color:var(--dt-muted);font-size:.97rem}
.dt-card .dt-tag{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dt-accent-deep);border:1px dashed var(--dt-accent);border-radius:3px;padding:.12rem .5rem;margin-bottom:.7rem}
.dt-h2{font-size:1.4rem;margin:2.3rem 0 .8rem;padding-top:1.1rem;border-top:1px dashed var(--dt-line);color:var(--dt-ink)}
.dt-h2:first-of-type{border-top:none;padding-top:0}
.dt-main p{margin:.9rem 0}
.dt-main ul,.dt-main ol{margin:.8rem 0;padding-left:1.4rem}
.dt-main li{margin:.45rem 0}
.dt-meta{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem;color:var(--dt-muted);margin:.4rem 0 1.4rem}
.dt-eyebrow{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dt-accent);margin:0}
.dt-dek{font-size:1.12rem;color:var(--dt-muted);margin:.6rem 0 1.6rem;max-width:42rem}
.dt-panel{background:var(--dt-panel);border:1px solid var(--dt-line);border-left:3px solid var(--dt-accent);border-radius:4px;padding:1rem 1.3rem;margin:1.4rem 0}
.dt-panel p{margin:.3rem 0}
.dt-panel .dt-panel-label{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--dt-accent-deep);display:block;margin-bottom:.4rem}
ol.dt-steps{list-style:none;counter-reset:dtstep;padding:0;margin:1.2rem 0}
ol.dt-steps>li{counter-increment:dtstep;position:relative;background:var(--dt-panel);border:1px solid var(--dt-line);border-radius:4px;padding:1.05rem 1.3rem 1.05rem 3.7rem;margin:.8rem 0}
ol.dt-steps>li::before{content:counter(dtstep);position:absolute;left:1.1rem;top:1rem;width:1.75rem;height:1.75rem;border-radius:50%;border:1.5px solid var(--dt-accent);color:var(--dt-accent-deep);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;display:flex;align-items:center;justify-content:center}
ol.dt-steps>li strong.dt-step-title{display:block;margin-bottom:.25rem}
pre.dt-code{background:var(--dt-code-bg);border:1px solid var(--dt-line);border-radius:4px;padding:1rem 1.2rem;overflow-x:auto;margin:1.1rem 0}
pre.dt-code code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;line-height:1.55;color:var(--dt-ink)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--dt-code-bg);padding:.08em .35em;border-radius:3px}
pre.dt-code code{background:none;padding:0}
.dt-check{list-style:none;padding:0}
.dt-check li{padding-left:1.6rem;position:relative}
.dt-check li::before{content:"✓";position:absolute;left:.2rem;color:var(--dt-ok);font-weight:700}
nav.dt-toc{background:var(--dt-panel);border:1px dashed var(--dt-accent);border-radius:4px;padding:1rem 1.4rem;margin:1.6rem 0}
nav.dt-toc h2{font-size:.93rem;margin:0 0 .5rem;font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--dt-muted)}
nav.dt-toc ul{margin:0;padding-left:1.1rem}
nav.dt-toc li{margin:.3rem 0}
.dt-sources{border-top:1px dashed var(--dt-line);margin-top:2.6rem;padding-top:1.2rem}
.dt-sources h2{font-size:1.15rem;margin:0 0 .6rem;color:var(--dt-ink)}
.dt-sources ul{margin:0;padding-left:1.2rem}
.dt-sources li{margin:.35rem 0;color:var(--dt-muted)}
.dt-foot{border-top:2px solid var(--dt-ink);background:var(--dt-paper);margin-top:2.5rem}
.dt-foot-in{max-width:64rem;margin:0 auto;padding:1.6rem 1.25rem;display:flex;gap:1.6rem;align-items:baseline;flex-wrap:wrap}
.dt-foot .dt-foot-brand{font-weight:700;color:var(--dt-ink)}
.dt-foot p{margin:0;color:var(--dt-muted);font-size:.9rem}
.dt-foot nav{display:flex;gap:1.2rem;margin-left:auto}
.dt-foot nav a{color:var(--dt-muted);font-size:.9rem}
.dt-list{list-style:none;padding:0;margin:1.2rem 0}
.dt-list li{background:var(--dt-panel);border:1px solid var(--dt-line);border-radius:4px;padding:1.1rem 1.3rem;margin:.7rem 0}
.dt-list h3{margin:.1rem 0 .35rem;font-size:1.08rem}
.dt-list h3 a{color:var(--dt-ink)}
.dt-list p{margin:0;color:var(--dt-muted);font-size:.95rem}
@media (max-width:640px){.dt-h1{font-size:1.8rem}.dt-topbar-in{gap:1rem}.dt-nav{margin-left:0}.dt-sheet{padding:1.4rem 1.1rem 1.8rem}}

/* Search: label + input at the top of the page, results as a ruled list. */
.dt-search{position:relative;max-width:64rem;margin:16px auto 0;padding:0 1.25rem}
.dt-search-label{display:block;font-weight:700;font-size:.95rem;margin:0 0 5px;color:var(--dt-ink)}
.dt-search-input{
  width:100%;padding:9px 12px;font:inherit;color:var(--dt-text);
  background:var(--dt-paper);border:1px solid var(--dt-line);border-radius:4px;
}
.dt-search-input:focus{outline:3px solid var(--dt-accent);outline-offset:1px;border-color:var(--dt-accent)}
.dt-search-results{
  list-style:none;margin:6px 0 0;padding:0;position:absolute;left:0;right:0;z-index:20;
  background:var(--dt-paper);border:1px solid var(--dt-accent);border-radius:4px;
  box-shadow:0 8px 24px rgba(38,48,107,.25);
}
.dt-search-results li{margin:0;border-top:1px solid var(--dt-line)}
.dt-search-results li:first-child{border-top:0}
.dt-search-results a{display:block;padding:8px 12px;text-decoration:none;color:var(--dt-ink);font-weight:600}
.dt-search-results a:hover,.dt-search-results a:focus{background:var(--dt-panel);color:var(--dt-accent)}
.dt-search-excerpt{display:block;font-weight:400;color:var(--dt-muted);font-size:.9rem}
.dt-search-empty{padding:8px 12px;color:var(--dt-muted)}