:root { --bg:#f7f4ec; --fg:#1d2433; --muted:#5b6475; --accent:#1f3a8a; --card:#fffdf7; --line:#e4dfd2; }
@media (prefers-color-scheme: dark) { :root { --bg:#11151f; --fg:#e8e6df; --muted:#9aa3b5; --accent:#8fb0ff; --card:#181d2a; --line:#2a3142; } }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif; }
a { color:var(--accent); }
.site-nav { border-bottom:1px solid var(--line); background:var(--card); }
.site-nav .inner { max-width:760px; margin:0 auto; padding:12px 22px; display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.site-nav .brand { display:flex; align-items:center; gap:8px; font-weight:700; color:var(--fg); text-decoration:none; margin-right:auto; }
.site-nav .brand img { width:28px; height:28px; }
.site-nav a.cur { font-weight:700; text-decoration:none; }
main { max-width:760px; margin:0 auto; padding:40px 22px 64px; }
header h1 { margin:0 0 4px; font-size:2rem; letter-spacing:-.01em; }
header p { margin:0; color:var(--muted); }
nav.toc { margin:18px 0 28px; font-size:.95rem; }
nav.toc a { margin-right:14px; }
section { margin:0 0 26px; }
section.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:22px 26px; }
h2 { font-size:1.35rem; margin:0 0 10px; }
h3 { font-size:1.05rem; margin:20px 0 6px; }
.tldr { border-left:4px solid var(--accent); padding:8px 14px; background:rgba(31,58,138,.06); border-radius:6px; }
details { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:14px 18px; margin:0 0 10px; }
summary { cursor:pointer; font-weight:600; }
details[open] summary { margin-bottom:8px; }
ol, ul { padding-left:22px; margin:6px 0; }
kbd { font:.9em ui-monospace, SFMono-Regular, Menlo, monospace; border:1px solid var(--line); border-bottom-width:2px; border-radius:5px; padding:0 5px; background:var(--card); }
code { font:.9em ui-monospace, SFMono-Regular, Menlo, monospace; background:rgba(127,127,127,.12); padding:1px 5px; border-radius:4px; word-break:break-all; }
.contact { background:var(--card); border:1px solid var(--line); border-left:4px solid var(--accent); border-radius:12px; padding:16px 20px; }
.hero { text-align:center; padding:30px 0 10px; }
.hero img { width:128px; height:128px; }
.hero h1 { font-size:2.6rem; margin:10px 0 6px; }
.hero p { font-size:1.15rem; color:var(--muted); margin:0 auto; max-width:520px; }
.links { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:14px; margin:34px 0; }
.links a { display:block; background:var(--card); border:1px solid var(--line); border-radius:14px; padding:18px 20px; text-decoration:none; color:var(--fg); }
.links a strong { color:var(--accent); display:block; font-size:1.1rem; }
.links a span { color:var(--muted); font-size:.92rem; }
footer { color:var(--muted); font-size:.85rem; text-align:center; margin-top:30px; }
footer a { margin:0 6px; }