:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#f5f5f5;--foreground:#111;--muted:#666;--surface:#fff;--border:#d6d6d6}*{box-sizing:border-box}body{background:var(--background);color:var(--foreground);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px}a{color:inherit;text-decoration:none}main{max-width:780px;margin:0 auto;padding:2rem}.header{border-bottom:1px solid var(--border);align-items:center;gap:1rem;padding:1rem 2rem;display:flex}.nav{align-items:center;gap:1rem;display:flex}.stack{gap:1rem;display:grid}.post-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.5rem}.post-card{transition:border-color .15s,transform .15s}.post-card:hover{border-color:var(--foreground);transform:translateY(-1px)}.meta{color:var(--muted);font-size:.875rem}