:root{--bg:#fff;--bg2:#f5f6f8;--ink:#15191e;--mute:#4a5360;--line:#d5d9e0;--link:#1a5a96;--acc:#0b3d6b;--fav:#0f6b5c;--favbg:#e2f3ef;--adv:#9b3a12;--advbg:#fbeae2;--note:#fff8e1;--noteline:#e0c870}
@media (prefers-color-scheme:dark){:root{--bg:#101318;--bg2:#181c23;--ink:#e7eaef;--mute:#a4adba;--line:#2c333d;--link:#7db4ea;--acc:#9cc8f2;--fav:#6fd0bd;--favbg:#14302b;--adv:#f0a27c;--advbg:#3a2218;--note:#2a2514;--noteline:#6b5a1c}}
*{box-sizing:border-box}
html{font-size:15px}
body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif}
a{color:var(--link);text-underline-offset:2px}a:hover{color:var(--acc)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--acc);color:#fff;padding:6px 10px;z-index:20}
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding:8px 16px;background:var(--acc);color:#fff}
.top a{color:#fff;text-decoration:none}
.brand{display:flex;flex-direction:column;line-height:1.15}.brand b{font-size:1.15rem}.brand span{font-size:.78rem;opacity:.85}
.topnav a{margin-left:16px;font-size:.88rem;padding:4px 0;display:inline-block}.topnav a:hover{text-decoration:underline}
.wrap{display:grid;grid-template-columns:230px minmax(0,1fr);max-width:1400px;margin:0 auto}
.side{border-right:1px solid var(--line);padding:12px 10px 24px;font-size:.84rem;position:sticky;top:0;align-self:start;max-height:100vh;overflow:auto}
.grp{margin-bottom:12px}.gh{display:block;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);padding:2px 6px}
.side a{display:block;padding:3px 6px;color:var(--ink);text-decoration:none;border-radius:3px;line-height:1.3}
.side a:hover{background:var(--bg2)}
.side a[aria-current=page]{background:var(--acc);color:#fff;font-weight:600}
.side .n{display:inline-block;width:1.7em;color:var(--mute);font-variant-numeric:tabular-nums}
.side a[aria-current=page] .n{color:#cfe2f5}
main{padding:14px 22px 40px;min-width:0}
h1{font-size:1.65rem;line-height:1.15;margin:.2em 0 .4em;color:var(--acc)}
h2{font-size:1.12rem;margin:0 0 6px;padding-bottom:3px;border-bottom:2px solid var(--line);color:var(--acc)}
h3{font-size:.98rem;margin:12px 0 4px}
p{margin:.4em 0 .6em}
.lead{font-size:1.02rem;max-width:88ch}
.kicker{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--mute)}
.mini{font-size:.82rem;color:var(--mute);margin:.3em 0}.mini strong{color:var(--ink)}
.sec{margin:18px 0 22px}
.toc{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.84rem;background:var(--bg2);border:1px solid var(--line);padding:6px 10px;margin:10px 0}
.toc span{font-weight:700;color:var(--mute)}
.note{background:var(--note);border:1px solid var(--noteline);padding:6px 10px;margin:10px 0;font-size:.9rem}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:12px 0}
@media (max-width:640px){.stats{grid-template-columns:1fr}}
.stat{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--bg2);padding:7px 10px;text-decoration:none;color:var(--ink);line-height:1.3}
.stat b{font-size:1.35rem;color:var(--acc);font-variant-numeric:tabular-nums}
.stat span{font-size:.82rem}.stat i{font-size:.72rem;color:var(--mute);font-style:normal;margin-top:2px}
.stat:hover{border-color:var(--link)}
.tbl{width:100%;border-collapse:collapse;font-size:.86rem;margin:6px 0 10px}
.tbl caption{text-align:left;font-weight:700;padding:4px 0;color:var(--mute)}
.tbl th,.tbl td{border:1px solid var(--line);padding:4px 7px;vertical-align:top;text-align:left}
.tbl thead th{background:var(--bg2);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--mute);white-space:nowrap}
.tbl tbody tr:nth-child(even){background:var(--bg2)}
.tbl small{color:var(--mute)}
.tbl.compact{min-width:min(100%,560px)}
.tbl.ent td:first-child{width:24%}
.matrix td,.matrix th{text-align:center}.matrix td:first-child,.matrix th:first-child{text-align:left}
.items{margin:4px 0 8px;padding-left:1.15em}.items li{margin:2px 0}
.items.num{list-style:decimal}
.rate{display:inline-block;min-width:1.5em;text-align:center;font-weight:700;font-size:.74rem;line-height:1.3;padding:0 5px;border-radius:3px;border:1px solid}
.rA{background:var(--favbg);color:var(--fav);border-color:var(--fav)}.rB{background:var(--bg2);color:var(--link);border-color:var(--link)}
.rH1{background:var(--favbg);color:var(--fav);border-color:var(--fav)}.rH2{background:var(--bg2);color:var(--link);border-color:var(--link)}.rH3{background:var(--note);color:var(--ink);border-color:var(--noteline)}
.rC{background:var(--note);color:var(--ink);border-color:var(--noteline)}.rD{background:var(--advbg);color:var(--adv);border-color:var(--adv)}
.rt{white-space:nowrap}.rt>span:last-child{white-space:normal;color:var(--mute);font-size:.78rem}
.refs{margin:4px 0 8px;padding-left:1.6em;font-size:.84rem}.refs li{margin:3px 0;overflow-wrap:anywhere}
.defs{margin:4px 0;display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:0}
.defs dt{font-weight:700;padding:4px 8px 4px 0;border-top:1px solid var(--line)}
.defs dd{margin:0;padding:4px 0;border-top:1px solid var(--line)}
.flist{list-style:none;margin:6px 0 10px;padding:0;border-top:1px solid var(--line)}
.flist>li{border-bottom:1px solid var(--line)}
.flist .fhead{display:grid;grid-template-columns:2.2em minmax(120px,170px) 1fr;gap:4px 10px;align-items:baseline;padding:8px 6px 0}
.flist .n{color:var(--mute);font-variant-numeric:tabular-nums}
.flist .fname{font-weight:700}
.flist .fscope{color:var(--mute);font-size:.88rem}
.fdet{padding:0 8px 8px 3.4em}
.fdet dl{margin:4px 0;display:grid;grid-template-columns:minmax(110px,150px) 1fr;gap:2px 12px}
.fdet dt{font-weight:700;font-size:.82rem;color:var(--mute);text-transform:uppercase;letter-spacing:.03em;padding-top:2px}
.fdet dd{margin:0}.fdet dd .items{margin:0 0 0 1.15em}
.items.cols{columns:2 240px}
.chain{margin:4px 0 8px;padding-left:1.3em}.chain li{margin:2px 0}.chain .lbl{font-weight:700}
.sup{margin:0 0 5px}
.plist .scroll{max-height:none;overflow:visible}
.cat summary{display:flex;gap:.45em;align-items:baseline;list-style:none;cursor:pointer;font-size:.72rem;font-weight:600;font-style:italic;color:var(--mute);padding:6px 6px 3px;border-radius:3px}
.cat summary::-webkit-details-marker{display:none}
.cat summary::before{content:"\25B8";font-style:normal;flex:none}
.cat[open]>summary::before{content:"\25BE"}
.cat summary:hover{background:var(--bg2)}
.tw.tall{max-height:min(75vh,720px)}
.tall thead th{position:sticky;top:0;z-index:2}
.tall td:first-child,.tall th:first-child{position:sticky;left:0;z-index:1;background:var(--bg)}
.tall tbody tr:nth-child(even) td:first-child{background:var(--bg2)}
.tall thead th:first-child{z-index:3;background:var(--bg2)}
.tall tbody tr:last-child td{border-top:2px solid var(--line)}
.cmp td{min-width:130px}
.tag{display:inline-block;font-size:.72rem;font-weight:600;line-height:1.2;padding:1px 6px;margin:1px 2px 1px 0;border:1px solid;border-radius:3px;text-decoration:none;white-space:nowrap}
.t-biological{color:#a3324a;border-color:#a3324a}.t-psychological{color:#7a3fa0;border-color:#7a3fa0}.t-economic{color:#8a6100;border-color:#8a6100}
.t-societal{color:#1a5a96;border-color:#1a5a96}.t-cultural{color:#b0481e;border-color:#b0481e}.t-social{color:#0f6b5c;border-color:#0f6b5c}
.t-environmental{color:#3f7a1f;border-color:#3f7a1f}.t-educational{color:#2d57c4;border-color:#2d57c4}.t-technological{color:#4f5a66;border-color:#4f5a66}
@media (prefers-color-scheme:dark){.t-biological{color:#f08ba0;border-color:#f08ba0}.t-psychological{color:#c9a0ea;border-color:#c9a0ea}.t-economic{color:#e3b84a;border-color:#e3b84a}.t-societal{color:#7db4ea;border-color:#7db4ea}.t-cultural{color:#f0a27c;border-color:#f0a27c}.t-social{color:#6fd0bd;border-color:#6fd0bd}.t-environmental{color:#95d36a;border-color:#95d36a}.t-educational{color:#8fb0f5;border-color:#8fb0f5}.t-technological{color:#b5bfcb;border-color:#b5bfcb}}
.pill{display:inline-block;font-size:.72rem;font-weight:700;padding:1px 7px;border-radius:9px;white-space:nowrap}
.pill.fav{background:var(--favbg);color:var(--fav)}.pill.adv{background:var(--advbg);color:var(--adv)}.pill.note{background:var(--bg2);color:var(--mute);border:1px solid var(--line)}
.mx{display:inline-flex;gap:3px;align-items:center;font-variant-numeric:tabular-nums}
.mx .f{background:var(--favbg);color:var(--fav);padding:0 6px;border-radius:3px;font-weight:700}
.mx .a{background:var(--advbg);color:var(--adv);padding:0 6px;border-radius:3px;font-weight:700}
.mx.none{color:var(--mute)}
.covrow{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:4px}
.cov{display:flex;flex-wrap:wrap;gap:2px;border:1px solid var(--line);padding:3px 4px;text-decoration:none;color:var(--ink);font-size:.72rem;line-height:1.2;align-content:flex-start}
.cov span{flex:1 0 100%;font-weight:600}
.cov b{padding:0 5px;border-radius:3px;font-size:.78rem}.cov .f{background:var(--favbg);color:var(--fav)}.cov .a{background:var(--advbg);color:var(--adv)}
.cond{border-top:1px solid var(--line);padding:4px 0 6px}
.two{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.pager{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:8px;margin-top:20px;font-size:.9rem}
.foot{border-top:1px solid var(--line);padding:12px 16px;font-size:.78rem;color:var(--mute);text-align:center}
.tw{overflow-x:auto}.tw .tbl{min-width:560px}
/* barrier navigation and pages */
.blist{margin:2px 0 6px 12px;border-left:2px solid var(--line);padding-left:4px}
.blist a{font-size:.8rem;padding:2px 6px}
.bcards{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:10px}
.bcards li{border:1px solid var(--line);border-radius:4px;padding:8px 12px}
.bcards p{margin:.3em 0}
.bcards .bt{font-weight:700;text-decoration:none;color:var(--acc);font-size:1rem}
.bcards .bt:hover{text-decoration:underline}
.bcards .n{display:inline-block;min-width:1.5em;color:var(--mute);font-variant-numeric:tabular-nums}
.crumbs{font-size:.84rem;color:var(--mute);margin:0 0 4px}
.bbody{margin:8px 0 14px}
.items.plain{list-style:none;padding-left:0}
.rsub{border:1px solid var(--line);border-radius:4px;margin:6px 0}
.rsub>summary{cursor:pointer;padding:6px 10px;font-weight:600;background:var(--bg2);list-style:none}
.rsub>summary::-webkit-details-marker{display:none}
.rsub>summary::before{content:"\25B8";display:inline-block;width:1.1em;color:var(--mute)}
.rsub[open]>summary::before{content:"\25BE"}
.rsub[open]>summary{border-bottom:1px solid var(--line)}
.rsub .cnt{font-weight:400;color:var(--mute)}
.rsub .refs{margin:6px 10px 8px}
@media (max-width:980px){
 .blist{display:none}
 .plist .scroll{max-height:none;overflow:visible;display:flex;align-items:flex-start}
 .cat{flex:none;min-width:11rem}
 .wrap{grid-template-columns:minmax(0,1fr)}
 .side{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:4px 10px;overflow:visible}
 .grp{display:flex;align-items:center;gap:0;margin:0;overflow-x:auto;white-space:nowrap;border-bottom:1px solid var(--line);padding:2px 0}
 .grp:last-child{border-bottom:0}
 .gh{flex:none;padding:3px 8px 3px 0;min-width:0}
 .side a{flex:none;padding:5px 8px}
 main{padding:12px 14px 32px}
 .covrow{grid-template-columns:repeat(3,minmax(0,1fr))}
 .two{grid-template-columns:1fr}
 .defs{grid-template-columns:1fr}.defs dt{border-bottom:0;padding-bottom:0}.defs dd{border-top:0}
}
@media (max-width:560px){.topnav a{margin:0 12px 0 0}h1{font-size:1.4rem}.tw .tbl{min-width:480px}.flist .fhead{grid-template-columns:2.2em 1fr}.flist .fscope{grid-column:2 / -1}.fdet{padding-left:6px}.fdet dl{grid-template-columns:1fr}}
@media print{.side,.top,.toc{display:none}.wrap{display:block}}