:root{color-scheme:light;--bg: #ffffff;--fg: #0f172a;--muted: #475569;--border: #e2e8f0;--card: #f8fafc;--link: #2563eb}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Apple Color Emoji","Segoe UI Emoji"}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:960px;margin:0 auto;padding:24px 16px 56px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:color-mix(in srgb,var(--bg) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.brand{font-weight:650;letter-spacing:.2px}.nav{display:flex;gap:12px;align-items:center;color:var(--muted)}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}.muted{color:var(--muted)}.list{margin:0;padding-left:18px}