/* Shared look for Cart & Card's info pages (how-to guide, privacy policy). Matches the app. */
:root{
  --bg:#f6f1e7; --surface:#fffdf8; --surface2:#efe8da; --ink:#22251f; --muted:#5f5e55;
  --line:#e2d9c7; --brand:#2f6b4f; --brand-ink:#fff; --accent:#c8692b;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#171a16; --surface:#21251f; --surface2:#2a2f27; --ink:#ecebe4; --muted:#a8a89b;
    --line:#353a31; --brand:#5fae86; --brand-ink:#0f1a13; --accent:#e08a50; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#171a16; --surface:#21251f; --surface2:#2a2f27; --ink:#ecebe4; --muted:#a8a89b;
  --line:#353a31; --brand:#5fae86; --brand-ink:#0f1a13; --accent:#e08a50; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
a{color:var(--brand);font-weight:600}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:calc(10px + env(safe-area-inset-top)) 16px 10px}
.top .in{max-width:760px;margin:0 auto;display:flex;align-items:center;gap:10px}
.top img{width:34px;height:34px}
.top b{flex:1;font-size:17px}
.top .open{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:10px;background:var(--brand);color:var(--brand-ink);text-decoration:none;font-size:15px}
main{max-width:760px;margin:0 auto;padding:24px 16px calc(64px + env(safe-area-inset-bottom))}
h1{font-size:34px;line-height:1.15;margin:8px 0 6px;text-wrap:balance}
.lede{font-size:19px;color:var(--muted);margin:0 0 22px;max-width:62ch}
.meta{font-size:14px;color:var(--muted);margin:0 0 20px}
h2{font-size:24px;line-height:1.25;margin:44px 0 10px;padding-top:18px;border-top:1px solid var(--line);text-wrap:balance}
h3{font-size:18px;margin:26px 0 6px}
p,li{max-width:66ch}
ul,ol{padding-left:22px}
li{margin:6px 0}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px;padding:0;list-style:none}
.toc a{display:inline-block;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);font-size:15px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:14px 0}
.box h3{margin-top:2px}
.box.tip{border-left:4px solid var(--brand)}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.two .box{margin:0}
.k{display:inline-block;padding:1px 7px;border:1px solid var(--line);border-radius:6px;background:var(--surface2);font-size:.9em;font-weight:600;white-space:nowrap}
.summary{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.summary li{display:flex;gap:10px;align-items:flex-start;max-width:none}
.summary li::before{content:"";flex:none;width:8px;height:8px;margin-top:10px;border-radius:50%;background:var(--brand)}
table{border-collapse:collapse;width:100%;font-size:15px}
.tw{overflow-x:auto;margin:12px 0}
th,td{text-align:left;vertical-align:top;padding:9px 10px;border-bottom:1px solid var(--line)}
th{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
footer{max-width:760px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:14px}
.madeby{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.madeby img{height:48px;width:auto}