:root{--bg:#f6f8f7;--surface:#ffffff;--text:#15171c;--muted:#5d6270;--accent:#0f7b5f;--line:#dfe7e3;--code:#e9f0ec;--font:'JetBrains Sans', system-ui, -apple-system, Segoe UI, sans-serif;--width:1180px;--prose:740px;}
/* themes/base.css — shared layout; every color/font comes from theme TOML vars (outputs/style.mjs). */
/* NEVER DELETE COMMENTS — explain every non-obvious line. Update comments with the code; do not strip them. */
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 var(--font)}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
.wrap{max-width:var(--width);margin:0 auto;padding:0 20px}
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;gap:24px;min-height:60px;flex-wrap:wrap}
.brand{font-weight:800;font-size:20px;color:var(--text)}
.nav{display:flex;gap:16px;flex-wrap:wrap;font-size:15px} .nav a{color:var(--muted)}
.nav a[aria-current]{color:var(--accent);font-weight:700}               /* current section highlighted */
.hero{padding:56px 0 24px} .hero h1{font-size:44px;line-height:1.1;margin:0 0 8px} .hero p{color:var(--muted);font-size:20px;margin:0}
.hero.small{padding:40px 0 16px} .hero.small h1{font-size:34px}
.block{margin:40px 0} .block h2{font-size:26px;margin:0} .blurb{color:var(--muted);margin:4px 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}   /* fluid card columns */
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;color:var(--text)}
.card:hover{border-color:var(--accent);text-decoration:none}
.card h3{margin:6px 0;font-size:19px;line-height:1.3} .card p{margin:0 0 12px;color:var(--muted);font-size:15px;flex:1}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700}
.meta{font-size:13px;color:var(--muted)}
.post{max-width:var(--prose);margin:0 auto;padding:32px 0} .post h1{font-size:38px;line-height:1.15;margin:8px 0}
.lede{font-size:20px;color:var(--muted);margin:0 0 8px} .crumbs{font-size:14px;color:var(--muted)}
.prose h2{font-size:26px;margin:36px 0 8px} .prose h3{font-size:20px;margin:24px 0 6px}
.prose table{border-collapse:collapse;width:100%;font-size:15px} .prose td,.prose th{border:1px solid var(--line);padding:6px 10px;text-align:left}
.prose code{background:var(--code);padding:1px 5px;border-radius:4px} .prose blockquote{border-left:3px solid var(--accent);margin:0;padding-left:16px;color:var(--muted)}
.more{max-width:var(--prose);margin:24px auto 12px}
.ad{margin:28px 0;min-height:90px}                                       /* reserve height → no layout shift (CLS) */
.ad-ph{border:2px dashed var(--line);border-radius:8px;color:var(--muted);text-align:center;padding:30px;font-size:14px}
.foot{border-top:1px solid var(--line);margin-top:56px;padding:24px 0;color:var(--muted);font-size:14px}