/* THP Readable CSS (minimal) */
:root{--fg:#111;--bg:#fff;--muted:#555;--link:#0b63ce;--accent:#0b63ce;--codebg:#f6f8fa;--border:#e5e7eb;--max:980px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
main{max-width:var(--max);margin:2rem auto;padding:0 1.25rem}
header,footer{border-bottom:1px solid var(--border)}header{background:#fff8}
.toc{background:#fafafa;border:1px solid var(--border);padding:1rem;border-radius:10px}
h1{font-size:2rem;margin:1.2rem 0 .6rem}h2{margin:1.2rem 0 .4rem}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
blockquote{margin:1rem 0;padding:.6rem 1rem;border-left:4px solid var(--accent);background:#fafcff}
pre,code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}pre{background:var(--codebg);padding:1rem;border-radius:8px;overflow:auto}
table{width:100%;border-collapse:collapse;margin:1rem 0}th,td{border:1px solid var(--border);padding:.5rem;text-align:left}
.hr{height:1px;background:var(--border);margin:1.5rem 0}
.navgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.75rem;margin:1rem 0}
.card{border:1px solid var(--border);border-radius:10px;padding:1rem;background:#fff}
small.muted{color:var(--muted)}