/* The public pages of eBay Research (nichlist.com): plain, readable, light and dark. Colours are the extension's own tokens. */
:root{--primary:#1E40AF;--bg:#F8FAFC;--card:#FFFFFF;--fg:#0F172A;--muted-fg:#475569;--border:#DBEAFE;--border-strong:#C3D6F5;--font:-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
@media (prefers-color-scheme:dark){:root{--primary:#60A5FA;--bg:#0F172A;--card:#1B2336;--fg:#E2E8F0;--muted-fg:#94A3B8;--border:#334155;--border-strong:#475569}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font:16px/1.6 var(--font)}
a{color:var(--primary)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--border);background:var(--card)}
header.top .wrap{display:flex;align-items:center;gap:20px;padding-top:14px;padding-bottom:14px}
header.top b{font-size:17px}
header.top nav{margin-left:auto;display:flex;gap:16px;font-size:15px}
main{padding:36px 0 56px}
h1{font-size:30px;line-height:1.2;margin:0 0 12px}
h2{font-size:20px;line-height:1.3;margin:36px 0 8px}
p,li{max-width:68ch}
p{margin:0 0 14px}
ul{margin:0 0 14px;padding-left:22px}
li{margin:4px 0}
.lede{font-size:18px;color:var(--muted-fg)}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin:16px 0}
.card h2{margin-top:0}
.meta{color:var(--muted-fg);font-size:14px}
footer{border-top:1px solid var(--border);padding:20px 0;color:var(--muted-fg);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 20px}
@media (max-width:520px){h1{font-size:25px}header.top .wrap{flex-wrap:wrap}header.top nav{margin-left:0}}