:root{--ink:#1b3a2b;--muted:#5b6b62;--bg:#f6f8f4;--card:#fff;--acc:#f4a200;--ok:#2d8a4e;--line:#dfe6dc}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:#11698e}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.wrap{max-width:880px;margin:0 auto;padding:0 18px}header.site{background:var(--ink);color:#fff}header.site .wrap{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;flex-wrap:wrap}
header.site a{color:#fff;text-decoration:none}.logo{font-weight:800;font-size:1.25rem}.logo span{color:var(--acc)}nav a{margin-left:16px;font-size:.95rem}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2;margin:28px 0 8px}h2{margin-top:36px;font-size:1.35rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:16px 0}
.example{background:repeating-linear-gradient(45deg,#ffd60a,#ffd60a 12px,#ffc300 12px,#ffc300 24px);color:#000;font-weight:800;text-align:center;padding:10px;font-size:1.05rem;border-bottom:3px solid #000}
.tag{display:inline-block;background:#ffd60a;color:#000;font-weight:800;font-size:.72rem;padding:1px 6px;border-radius:4px;vertical-align:middle}
.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.stat{font-size:2rem;font-weight:800;line-height:1.1}.lbl{color:var(--muted);font-size:.9rem}
.bands{display:flex;height:26px;border-radius:6px;overflow:hidden;margin:8px 0}.bands i{display:grid;place-items:center;color:#fff;font-size:.75rem;font-style:normal;font-weight:700}
table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:.9rem}
.ctab{background:#fff8e6;border:2px solid var(--acc);border-radius:12px;padding:18px 20px;margin:20px 0}
.btn{display:inline-block;background:var(--acc);color:#1b1b1b;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:800;margin-top:8px;border:0;cursor:pointer;font-size:1rem}
.small{font-size:.84rem;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:10px 0}summary{cursor:pointer;font-weight:600}
label{display:block;margin:10px 0 2px;font-weight:600}input{font:inherit;padding:6px 8px;border:1px solid #bbb;border-radius:6px;width:180px}
.out{font-size:1.2rem;font-weight:700;margin-top:14px}.grid-links{columns:3 160px}
footer{margin-top:50px;padding:24px 0;background:#e6ece3;font-size:.9rem}footer a{margin-right:14px}