:root{
  --bg:#f3f1ea; --card:#fffefa; --ink:#18212b; --muted:#59636e; --line:#d9d4c7;
  --navy:#16324f; --gold:#a97c1c; --red:#b3261e; --green:#2d6a3e; --blue:#2a5d8f;
  --display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --body:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#11161c; --card:#19212b; --ink:#e9e6dd; --muted:#a2abb6; --line:#2f3946;
  --navy:#9cc0e6; --gold:#e0b45a; --red:#ff8a80; --green:#86c99a; --blue:#8fb8e0;}}
:root[data-theme="dark"]{--bg:#11161c; --card:#19212b; --ink:#e9e6dd; --muted:#a2abb6; --line:#2f3946;
  --navy:#9cc0e6; --gold:#e0b45a; --red:#ff8a80; --green:#86c99a; --blue:#8fb8e0;}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--body)}
a{color:var(--blue)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{background:var(--card);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:16px;padding:14px 0;flex-wrap:wrap}
.brand{font:700 1.3rem var(--display);color:var(--ink);text-decoration:none}
.brand b{color:var(--gold)}
nav.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
nav.tabs a{padding:6px 12px;border-radius:999px;text-decoration:none;color:var(--muted);font-size:.93rem}
nav.tabs a.on{background:var(--navy);color:var(--card)}
main{padding:28px 0 60px}
h1,h2,h3{font-family:var(--display);line-height:1.2;margin:0 0 .5em}
h1{font-size:2.2rem} h2{font-size:1.45rem;margin-top:1.5em} h3{font-size:1.08rem}
.lede{font-size:1.12rem;color:var(--muted);max-width:46em}
.pledge{display:inline-block;margin:8px 0 0;padding:6px 12px;border:1px solid var(--line);border-radius:6px;background:var(--card);font-size:.88rem}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin:16px 0}
.split{display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1.25fr);gap:20px;align-items:start}
@media (max-width:880px){.split{grid-template-columns:1fr}}
fieldset{border:1px solid var(--line);border-radius:8px;padding:12px 14px 6px;margin:0 0 14px}
legend{font:600 .85rem var(--body);color:var(--navy);padding:0 6px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}
label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:10px}
label.chk{display:flex;gap:6px;align-items:center;color:var(--ink);font-size:.85rem}
input,select{display:block;width:100%;margin-top:3px;padding:7px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit;font-size:.93rem}
label.chk input{width:auto;margin:0}
.btn{display:inline-block;border:0;border-radius:7px;padding:9px 15px;font:600 .93rem var(--body);cursor:pointer;background:var(--navy);color:var(--card);text-decoration:none}
.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}
.btn.small{padding:4px 9px;font-size:.8rem}
.hint{font-size:.78rem;color:var(--muted);margin:-4px 0 10px}
.examplebar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px;font-size:.86rem;color:var(--muted)}
.tag{background:var(--gold);color:#fff;border-radius:4px;padding:1px 7px;font-size:.74rem;font-weight:700}
.move{border:1px dashed var(--line);border-radius:8px;padding:10px 10px 0;margin-bottom:10px;position:relative}
.move .del{position:absolute;top:6px;right:6px}
.headline{border-radius:10px;padding:16px 18px;margin-bottom:14px;color:#fff;background:#24476b}
.headline.bad{background:#8f2a22}.headline.good{background:#2d6a3e}
.headline b{display:block;font:700 1.35rem var(--display)}
table{width:100%;border-collapse:collapse;font-size:.88rem;margin:8px 0}
th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
th:first-child,td:first-child{text-align:left}
td.neg{color:var(--red)} td.pos{color:var(--green)}
tr.you td{font-weight:700}
.chart{width:100%;height:auto;display:block;margin:6px 0}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}
.legend i{display:inline-block;width:14px;height:3px;vertical-align:middle;margin-right:5px}
.limits{border:1px dashed var(--line);border-radius:10px;padding:14px 18px;margin-top:22px;font-size:.9rem}
.limits h3{margin-top:0}
.limits li{margin:4px 0}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:14px 0}
.fact{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.fact .k{font:600 .72rem var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
.fact p{margin:6px 0 0;color:var(--muted);font-size:.93rem}
.status{font-size:.75rem;font-weight:700;padding:1px 6px;border-radius:4px;color:#fff}
.status.done{background:var(--green)}.status.blocked,.status.skipped{background:var(--red)}
footer{border-top:1px solid var(--line);padding:22px 0;font-size:.8rem;color:var(--muted)}
.hidden{display:none!important}
/* article pages */
.article{max-width:760px}
.article h2{margin-top:1.6em}
.answer{background:var(--card);border-left:4px solid var(--gold);border-radius:8px;padding:14px 16px;margin:14px 0;font-size:1.05rem}
.cta{background:var(--navy);color:var(--card);border-radius:10px;padding:16px 18px;margin:22px 0}
.cta a{color:var(--card);font-weight:700}
.article table{border-collapse:collapse;width:100%;margin:12px 0;background:var(--card);font-size:.95rem}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.article th{background:var(--bg)}
.meta{color:var(--muted);font-size:.88rem}
.neg{color:var(--red);font-weight:600}.pos{color:var(--green);font-weight:600}
.sources li{font-size:.85rem;margin:4px 0;word-break:break-word}
nav.guides{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto;font-size:.92rem}

/* email sign-up */
.sub{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:22px 0}
.sub h3{margin:0 0 6px}.sub p{margin:0 0 10px;font-size:.92rem}
.sub input[type=email]{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;min-width:240px;background:var(--card);color:inherit}
.sub button{padding:10px 16px;border:0;border-radius:8px;font:600 1rem inherit;cursor:pointer;margin-left:6px}
.sub .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.submsg{margin-top:8px;font-size:.9rem}
.sub button{background:var(--navy);color:var(--card)}