/* ponytail: one small stylesheet for the static guides; the app stylesheet carries interactive screens. */
:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#173d39;background:#f5f3ee;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:#176b4c}a:focus-visible{outline:3px solid #e87554;outline-offset:3px}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:white;padding:.7rem;z-index:2}.site-header,.site-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.1rem max(1.25rem,calc((100vw - 900px)/2));background:#e7f2e7}.site-header a,.site-footer a{font-weight:700}.site-header nav,.site-footer nav{display:flex;gap:1rem;flex-wrap:wrap}.brand{font-size:1.35rem;text-decoration:none;color:#173d39}main{max-width:900px;margin:auto;padding:2rem 1.25rem 4rem}.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#32785c}h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1.1;letter-spacing:-.04em;margin:.5rem 0 1rem}h2{font-size:1.65rem;margin:2.2rem 0 .7rem}h3{font-size:1.15rem;margin:1.4rem 0 .4rem}p,li{line-height:1.7;font-size:1.06rem}li{margin:.35rem 0}.lead{font-size:1.25rem;max-width:740px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin:2rem 0}.card{display:block;padding:1.25rem;border:1px solid #c9ded1;border-radius:16px;background:white;text-decoration:none;color:#173d39}.card strong{font-size:1.2rem}.card p{margin:.5rem 0 0}.callout{padding:1.25rem 1.5rem;border-radius:16px;background:#e7f2e7;margin:2rem 0}.sources{border-top:1px solid #c9ded1;margin-top:3rem;padding-top:1rem}.sources li{font-size:.95rem}.updated{font-size:.85rem;color:#536d61}.button{display:inline-block;padding:.85rem 1.2rem;background:#173d39;color:white;border-radius:10px;text-decoration:none;font-weight:700}.button:hover{background:#245d4c}details{padding:1rem 0;border-bottom:1px solid #c9ded1}summary{cursor:pointer;font-size:1.1rem;font-weight:700}summary:focus-visible{outline:3px solid #e87554}details p{margin-bottom:0}
html[data-theme=dark]{color-scheme:dark;background:#0b171b;color:#e8f3ec}html[data-theme=dark] a{color:#99d9b2}html[data-theme=dark] .site-header,html[data-theme=dark] .site-footer,html[data-theme=dark] .callout{background:#1c3937}html[data-theme=dark] .brand,html[data-theme=dark] .card{color:#e8f3ec}html[data-theme=dark] .card{background:#152b2c;border-color:#527364}html[data-theme=dark] .eyebrow{color:#a4e2b7}html[data-theme=dark] .sources,html[data-theme=dark] details{border-color:#527364}html[data-theme=dark] .updated{color:#b6cdc0}html[data-theme=dark] .button{background:#a4e2b7;color:#102b2c}html[data-theme=dark] .button:hover{background:#c0f2ce}html[data-theme=dark] .skip:focus{background:#152b2c;color:#e8f3ec}
.topic-nav{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.5rem 0 2rem}.topic-nav a{padding:.6rem .85rem;border:1px solid #c9ded1;border-radius:99px;background:#fff;text-decoration:none;font-weight:700}.topic-nav a:hover{background:#e7f2e7}.guide-group .card-grid{margin-top:1rem}html[data-theme=dark] .topic-nav a{background:#152b2c;border-color:#527364;color:#99d9b2}html[data-theme=dark] .topic-nav a:hover{background:#1c3937}
.rule-diagram{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;margin:2rem 0}.rule-diagram div{padding:1rem;border-radius:12px;background:#e7f2e7}.rule-diagram div:first-child,.rule-diagram div:nth-child(2){border-top:4px solid #c45036}.rule-diagram div:last-of-type{border-top:4px solid #32785c}.rule-diagram span,.rule-diagram strong{display:block;line-height:1.35}.rule-diagram span{font-size:.8rem}.rule-diagram strong{margin-top:.35rem}.rule-diagram figcaption{grid-column:1/-1;font-size:.85rem;color:#536d61}html[data-theme=dark] .rule-diagram div{background:#1c3937}html[data-theme=dark] .rule-diagram figcaption{color:#b6cdc0}@media(max-width:520px){.rule-diagram{grid-template-columns:1fr}.rule-diagram figcaption{grid-column:1}}