:root{--bg:#fff;--fg:#1a1a1a;--muted:#666;--accent:#0b5fff;--border:#e5e5e5}@media (prefers-color-scheme:dark){:root{--bg:#111;--fg:#ededed;--muted:#9a9a9a;--accent:#6ea0ff;--border:#2a2a2a}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--accent)}.site-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;max-width:720px;margin:0 auto;padding:1rem 16px;display:flex}.brand{color:var(--fg);font-size:1.25rem;font-weight:700;text-decoration:none}main{max-width:720px;margin:0 auto;padding:1.5rem 16px 4rem}.hero{padding:2rem 0}.section-title{margin-top:0}time{color:var(--muted);font-size:.9rem}.card{border-bottom:1px solid var(--border);padding:1rem 0 1.25rem}.card h2{margin:0 0 .25rem}.card-cover{border-radius:8px;width:100%;height:auto;margin:.75rem 0}.post h1{margin-bottom:.25rem}