/* Shared styles for privacy.html and terms.html (same tokens as index.html: the Multivariable Calculus Lab look, light only). */
:root{
  --bg:#F4F6F8; --surface:#FFFFFF; --sunk:#F6F8FA; --ink:#18202B; --muted:#5A6676; --line:#DEE3EA;
  --brand:#2457A6; --focus:#2457A6;
  --f-display:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--f-body);overflow-x:hidden}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font:700 17px/1 var(--f-display);text-decoration:none;color:inherit;min-height:44px}
.back{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:500 14px/1 var(--f-body);text-decoration:none}
.back:hover{border-color:var(--brand)}
main{padding:32px 0 64px}
.eyebrow{font:700 .74rem/1.4 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
h1{font:600 clamp(28px,4vw,36px)/1.15 var(--f-display);letter-spacing:-.01em;margin:0 0 12px}
h2{font:600 20px/1.25 var(--f-display);margin:40px 0 8px}
.updated{color:var(--muted);margin:0 0 28px}
.summary{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 24px;margin:0 0 8px}
.summary ul{margin:8px 0 0;padding-left:20px}
p,li{max-width:68ch}
li{margin:4px 0}
a{color:var(--brand)}
code{font:14px var(--f-mono);background:var(--sunk);padding:1px 6px;border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:15px;margin:8px 0}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600}
.tw{overflow-x:auto}
footer{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:14px}
footer a{display:inline-flex;align-items:center;min-height:44px;margin-right:16px}
@media (max-width:560px){.wrap{padding:0 16px}.back span{display:none}}