:root{--bg:#FBFBF9;--ink:#1E2023;--grey:#6F7377;--rule:#1E2023;--soft:#EFEEEA;--accent:#1E2023}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;font-size:17px;line-height:1.55;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4,.cond{font-family:'Barlow Condensed','Arial Narrow',Arial,sans-serif;font-weight:600;line-height:1.1;letter-spacing:.01em}
h1{font-size:clamp(34px,6vw,64px);margin:.2em 0 .3em}h2{font-size:clamp(26px,4vw,38px);margin:1.6em 0 .5em;padding-top:.5em;border-top:2px solid var(--rule)}h3{font-size:clamp(20px,3vw,26px);margin:1.3em 0 .4em;color:var(--ink)}
p{margin:.6em 0}a{color:var(--ink)}
.wrap{max-width:900px;margin:0 auto;padding-block:24px 80px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding:16px 0 12px;border-bottom:2px solid var(--rule);flex-wrap:wrap}
.head .proj{display:grid;grid-template-columns:auto auto;gap:2px 12px;font-family:'Barlow Condensed',Arial,sans-serif;font-size:16px}.head .proj b{color:var(--grey);font-weight:600}
.nav{display:flex;gap:18px;flex-wrap:wrap;font-family:'Barlow Condensed',Arial,sans-serif;font-size:19px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.nav a{text-decoration:none;color:var(--grey)}.nav a.on,.nav a:hover{color:var(--ink)}
.lead{font-size:clamp(18px,2.4vw,22px);color:#4E5357}
table{border-collapse:collapse;width:100%;margin:1em 0;font-size:15px}th{text-align:left;font-family:'Barlow Condensed',Arial,sans-serif;font-weight:600;color:var(--grey);letter-spacing:.04em;text-transform:uppercase;font-size:14px;border-bottom:2px solid var(--rule);padding:8px 10px 6px}td{border-bottom:1px solid #C9C9C4;padding:7px 10px;vertical-align:top}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
pre,code{font-family:'IBM Plex Mono',ui-monospace,Menlo,monospace;font-size:.92em}pre{background:var(--soft);padding:12px 14px;overflow-x:auto;border-left:3px solid var(--rule)}code{background:var(--soft);padding:1px 4px}
blockquote{margin:1em 0;padding:.2em 1em;border-left:3px solid var(--rule);color:#4E5357}
img{max-width:100%;height:auto}
figure{margin:1.2em 0}figcaption{font-family:'Barlow Condensed',Arial,sans-serif;color:var(--grey);font-size:15px;letter-spacing:.04em;text-transform:uppercase;margin-top:6px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:1.5em 0}
.card{border:1px solid var(--rule);padding:16px 18px;text-decoration:none;color:var(--ink);display:block}.card h3{margin:0 0 .3em;font-size:26px}.card p{margin:0;color:#4E5357;font-size:16px}.card.dark{background:var(--ink);color:#FBFBF9}.card.dark p{color:#C9C9C4}
.foot{margin-top:60px;padding-top:14px;border-top:2px solid var(--rule);font-family:'Barlow Condensed',Arial,sans-serif;color:var(--grey);letter-spacing:.04em;font-size:15px;text-transform:uppercase;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.math{font-family:'IBM Plex Sans',Arial,sans-serif;background:var(--soft);padding:10px 14px;overflow-x:auto;border-left:3px solid var(--rule);margin:1em 0}
/* deck viewer */
.deck{max-width:1200px;margin:0 auto;padding-block:16px 60px}
.sheet{border:1px solid var(--rule);background:#fff;aspect-ratio:16/9;width:100%;display:block}
.sheetnav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0;font-family:'Barlow Condensed',Arial,sans-serif;font-size:18px}
.sheetnav button{font:600 18px 'Barlow Condensed',Arial,sans-serif;background:var(--ink);color:#FBFBF9;border:0;padding:8px 16px;cursor:pointer;letter-spacing:.04em}.sheetnav button:disabled{opacity:.35}
.notes{border-top:2px solid var(--rule);padding-top:12px;margin-top:8px}.notes h3{margin:0 0 .3em;font-size:16px;color:var(--grey);letter-spacing:.06em;text-transform:uppercase}.notes p{font-size:17px}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:24px}.thumbs img{width:100%;border:1px solid #C9C9C4;cursor:pointer;display:block}.thumbs img.on{outline:3px solid var(--ink)}
@media (max-width:640px){body{font-size:16px}.head{padding-top:8px}.thumbs{grid-template-columns:repeat(3,1fr)}}
@media (prefers-color-scheme:dark){:root{--bg:#121416;--ink:#ECEAE4;--grey:#9AA0A4;--rule:#ECEAE4;--soft:#1E2225}.sheet{background:#fff}.card.dark{background:#ECEAE4;color:#121416}.card.dark p{color:#4E5357}.lead,blockquote,.card p{color:#B8BDC0}td{border-color:#3A4044}}
.card.dark h3{color:#FBFBF9}
.wrap>*{min-width:0}
p,li,td,h1,h2,h3{overflow-wrap:anywhere}
mjx-assistive-mml{display:none!important}
.math mjx-container{max-width:100%;overflow-x:auto;overflow-y:hidden;display:block}
mjx-container[display="true"]{position:relative!important;display:block!important;max-width:100%!important;overflow-x:auto!important;overflow-y:hidden!important;margin:1em 0!important}
mjx-container svg{max-width:none}

.wrap>table{display:block;overflow-x:auto;width:100%}