/* Layout: a working reference desk — finder first, library as a filterable shelf, policy and perspective as a quiet back matter */
:root{
  --bg:#f6f8f7; --surface:#ffffff; --ink:#132522; --mut:#55665f; --line:#d9e2de;
  --brand:#0d5e57; --brand-soft:#e1efec; --accent:#c4572f;
  --ok:#2e7a4f; --ok-soft:#e2f2e8; --warn:#9a6a12; --warn-soft:#f8eed8; --stop:#a33a2c; --stop-soft:#f7e2de;
  --f-display:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;
  --f-body:'Atkinson Hyperlegible','Segoe UI',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f1716; --surface:#16211f; --ink:#e4ece9; --mut:#9fb0aa; --line:#2a3835;
  --brand:#5cc2b5; --brand-soft:#173532; --accent:#ef8a63;
  --ok:#74c995; --ok-soft:#163323; --warn:#e3b45a; --warn-soft:#352a12; --stop:#f08b7c; --stop-soft:#3a1d19; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1716; --surface:#16211f; --ink:#e4ece9; --mut:#9fb0aa; --line:#2a3835;
  --brand:#5cc2b5; --brand-soft:#173532; --accent:#ef8a63;
  --ok:#74c995; --ok-soft:#163323; --warn:#e3b45a; --warn-soft:#352a12; --stop:#f08b7c; --stop-soft:#3a1d19; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);line-height:1.15;text-wrap:balance;margin:0}
h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800}
h3{font-size:1.1rem;font-weight:700}
p{margin:0}
a{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2e9e6a;margin-right:8px;vertical-align:middle;animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,158,106,.6)}70%{box-shadow:0 0 0 8px rgba(46,158,106,0)}100%{box-shadow:0 0 0 0 rgba(46,158,106,0)}}@media (prefers-reduced-motion:reduce){.live-dot{animation:none}}
.news{margin-top:18px;border-left:3px solid var(--brand);padding:4px 0 4px 12px;font-size:.88rem}.news b{display:block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin-bottom:4px}.news div{margin:3px 0}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}
.proto{background:var(--warn-soft);color:var(--warn);font-size:.85rem}
.proto .wrap{padding-block:8px}
/* header */
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:14px;flex-wrap:wrap}
.brand{font-family:var(--f-display);font-weight:800;font-size:1.05rem}
.brand span{color:var(--brand)}
nav.sec{display:flex;gap:16px;flex-wrap:wrap;font-size:.92rem}
nav.sec a{color:var(--mut);text-decoration:none}
nav.sec a:hover{color:var(--brand)}
/* hero + finder */
.hero .wrap{padding-block:44px 28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:40px;align-items:start}
.hero h1{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:800;margin:10px 0 14px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero .lede{color:var(--mut);font-size:1.08rem;max-width:34rem}
.facts{display:flex;gap:22px;margin-top:22px;flex-wrap:wrap}
.facts div{font-family:var(--f-mono);font-size:.8rem;color:var(--mut)}
.facts b{display:block;font-family:var(--f-display);font-size:1.6rem;color:var(--ink)}
.finder{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:20px}
.finder h3{margin-bottom:4px}
.finder .hint{color:var(--mut);font-size:.9rem;margin-bottom:12px}
.tasks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.task{display:block;width:100%;text-align:left;font:inherit;font-size:.93rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 11px;cursor:pointer;line-height:1.35}
.task:hover{border-color:var(--brand)}
.task[aria-pressed="true"]{background:var(--brand-soft);border-color:var(--brand);font-weight:700}
.answer{margin-top:14px;border-top:1px dashed var(--line);padding-top:12px}
.answer .lead{font-weight:700;margin-bottom:8px}
.answer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.answer li{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.answer li a{font-weight:700}
.answer .why{color:var(--mut);font-size:.9rem;flex-basis:100%}
/* about */
section.band{padding-block:48px}
section.band.alt{background:var(--surface);border-block:1px solid var(--line)}
.about{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:22px}
.about p{color:var(--ink)}
.about p+p{margin-top:10px}
.about h3{margin-bottom:8px}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.sec-head p{color:var(--mut);max-width:40rem}
/* library */
.controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:22px 0 16px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.seg button{font:inherit;font-size:.88rem;border:0;background:transparent;color:var(--mut);padding:6px 14px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--brand);color:var(--surface)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:inherit;font-size:.85rem;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:4px 11px;cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--brand);background:var(--brand-soft);font-weight:700}
#q{font:inherit;font-size:.92rem;border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:var(--surface);color:var(--ink);min-width:0;flex:1 1 200px;max-width:280px}
.group{margin-top:26px}
.group>h3{font-size:1rem;color:var(--mut);font-family:var(--f-mono);font-weight:500;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:9px;min-width:0}
.card .head{display:flex;justify-content:space-between;gap:8px;align-items:start}
.card h4{font-family:var(--f-display);font-size:1.12rem;margin:0}
.card .by{font-size:.84rem;color:var(--mut)}
.card .what{font-size:.94rem}
.card .nurse{font-size:.88rem;background:var(--bg);border-radius:6px;padding:7px 9px}
.card .nurse b{color:var(--brand)}
.card .use{font-size:.85rem;color:var(--mut)}
.card .foot{display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto;padding-top:8px;border-top:1px solid var(--line);font-size:.82rem}
.card .foot .chk{font-family:var(--f-mono);color:var(--mut)}
.lic{font-family:var(--f-mono);font-size:.72rem;font-weight:500;border-radius:4px;padding:2px 7px;white-space:nowrap}
.lic.A{background:var(--ok-soft);color:var(--ok)}
.lic.B{background:var(--warn-soft);color:var(--warn)}
.lic.C{background:var(--stop-soft);color:var(--stop)}
.gap{border:1px dashed var(--accent);border-radius:10px;padding:16px;color:var(--ink);background:transparent}
.gap h4{font-family:var(--f-display);font-size:1.05rem;margin:0 0 6px;color:var(--accent)}
.empty{color:var(--mut);padding:20px 0}
/* perspective */
.persp{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:36px;margin-top:20px}
.persp .lab{font-size:.9rem;color:var(--mut)}
.persp .lab b{display:block;color:var(--ink);font-family:var(--f-display);font-size:1.1rem;margin-bottom:6px}
.persp article p{max-width:42rem}
.persp article p+p{margin-top:12px}
.persp article h3{margin:20px 0 6px}
.persp ol{margin:6px 0 0;padding-left:20px;max-width:42rem}
.persp li{margin-bottom:6px}
/* policy */
.policy{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:20px}
.rules{display:grid;gap:10px;margin-top:10px}
.rule{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;font-size:.93rem}
.watch{columns:2;column-gap:20px;font-size:.9rem;margin:8px 0 0;padding-left:18px}
.watch li{break-inside:avoid;margin-bottom:4px}
.log{font-family:var(--f-mono);font-size:.82rem;margin-top:10px;border-left:2px solid var(--line);padding-left:12px;display:grid;gap:6px}
.next{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--brand);color:var(--surface);border-radius:10px;padding:20px 22px;margin-top:8px}
.next h3{color:var(--surface)}
.next p{opacity:.9;font-size:.95rem;max-width:40rem}
.next .tag{font-family:var(--f-mono);font-size:.75rem;border:1px solid currentColor;border-radius:999px;padding:3px 10px}
footer{padding-block:28px;color:var(--mut);font-size:.85rem}
footer .wrap{display:grid;gap:6px}

.areas{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.area{font:inherit;font-size:.9rem;font-weight:700;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 13px;cursor:pointer}
.area[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--surface)}
.mapwrap{overflow-x:auto;margin-top:18px}
table.map{border-collapse:separate;border-spacing:4px;min-width:760px;width:100%;font-size:.85rem}
.map th{font-weight:700;text-align:left;padding:6px 8px;vertical-align:bottom}
.map thead th{font-family:var(--f-mono);font-weight:500;font-size:.72rem;letter-spacing:.03em;color:var(--mut);text-transform:uppercase}
.map td button{width:100%;font:inherit;font-family:var(--f-display);font-weight:700;font-size:1.05rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);padding:8px 0;cursor:pointer;font-variant-numeric:tabular-nums}
.map td button:hover{border-color:var(--brand)}
.map td button.z{color:var(--line);font-weight:500;cursor:default}
.map td button.h2{background:var(--brand-soft)}
.map td button.h3{background:var(--brand);color:var(--surface)}
.facet{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:18px 0 6px}
.facet label{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--mut);display:grid;gap:4px}
.facet select{font:inherit;font-size:.9rem;text-transform:none;letter-spacing:0;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px 8px;min-width:0}
.tagline{font-family:var(--f-mono);font-size:.72rem;color:var(--mut);display:flex;flex-wrap:wrap;gap:4px 10px}
.bind{font-family:var(--f-mono);font-size:.72rem;background:var(--stop-soft);color:var(--stop);border-radius:4px;padding:2px 7px}
.nur{font-family:var(--f-mono);font-size:.72rem;background:var(--brand-soft);color:var(--brand);border-radius:4px;padding:2px 7px}
.nlens{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;margin-top:20px}
.nlist{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}
.nlist li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:7px;font-size:.93rem}
.nlist li span{color:var(--mut);font-family:var(--f-mono);font-size:.75rem;white-space:nowrap}
.toggle{display:flex;align-items:center;gap:8px;font-size:.9rem}
@media (max-width:860px){.facet{grid-template-columns:repeat(2,minmax(0,1fr))}.nlens{grid-template-columns:minmax(0,1fr)}}

.mods{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px;margin-top:20px}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.mod .num{font-family:var(--f-mono);font-size:.75rem;color:var(--brand)}
.mod h4{font-family:var(--f-display);font-size:1.12rem;margin:0}
.mod ul{margin:0;padding-left:18px;font-size:.92rem}
.mod .lv{font-family:var(--f-mono);font-size:.7rem;color:var(--mut);text-transform:uppercase;letter-spacing:.05em}
.mod details summary{cursor:pointer;font-weight:700;font-size:.9rem;color:var(--brand)}
.mod .g{font-size:.85rem;color:var(--mut)}
.mod:target,.card:target{outline:3px solid var(--accent);outline-offset:2px}
.path h4{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--mut);margin:12px 0 6px;font-weight:500}
.path ol{margin:0;padding-left:20px;display:grid;gap:3px}
.path .risks{display:flex;flex-wrap:wrap;gap:6px}
.path .risks span{font-size:.82rem;background:var(--stop-soft);color:var(--stop);border-radius:4px;padding:2px 8px}
.tl-year{display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;padding:10px 0;border-top:1px solid var(--line)}
.tl-year>b{font-family:var(--f-display);font-size:1.4rem;color:var(--brand);font-variant-numeric:tabular-nums}
.tl-items{display:grid;gap:6px}
.tl-item{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;font-size:.94rem}
.tl-item .t{font-family:var(--f-mono);font-size:.7rem;border:1px solid var(--line);border-radius:999px;padding:1px 8px;color:var(--mut)}
.tl-item .f{color:var(--mut);font-size:.86rem;flex-basis:100%}
.tl-item.found a,.tl-item.found>span:first-child{color:var(--mut)}

.pulse{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;margin-top:22px}
.pulse h3{font-size:1rem;margin-bottom:12px}
.bars{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:6px;height:220px;align-items:end;border-bottom:1px solid var(--line)}
.bar{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:0}
.bar i{display:block;width:100%;background:var(--brand);border-radius:3px 3px 0 0}
.bar .v{font-family:var(--f-mono);font-size:.7rem;color:var(--mut);margin-bottom:3px;font-variant-numeric:tabular-nums}
.bar .m{font-family:var(--f-mono);font-size:.62rem;color:var(--mut);margin-top:4px;position:relative;top:18px;white-space:nowrap}
.bars{margin-bottom:24px}
.tops{display:grid;gap:9px}
.tp{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) auto;gap:10px;align-items:center;font-size:.88rem}
.tr{height:10px;background:var(--brand-soft);border-radius:5px;overflow:hidden}
.tr i{display:block;height:100%;background:var(--brand)}
.tp b{font-family:var(--f-mono);font-size:.8rem;font-variant-numeric:tabular-nums}
.note{color:var(--mut);font-size:.85rem}
.arts{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:10px}
.arts li{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:grid;gap:4px;min-width:0}
.arts a{font-weight:700;font-size:.93rem}
.arts span{font-size:.8rem;color:var(--mut)}
.method{margin-top:18px;font-size:.88rem;color:var(--mut)}
.method summary{cursor:pointer;color:var(--brand);font-weight:700}
.method code{font-family:var(--f-mono);font-size:.76rem;word-break:break-word}
@media (max-width:860px){.pulse{grid-template-columns:minmax(0,1fr)}.bar .v{font-size:.6rem}.bar .m{font-size:.5rem}}

.hero{background:linear-gradient(180deg,var(--brand-soft) 0%,var(--bg) 100%)}
.hero h1{letter-spacing:-.01em}
.pillars-band{padding-block:6px 34px}
.pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.pillar{display:grid;gap:4px;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 16px 18px;border-top:3px solid var(--brand);transition:border-color .15s,transform .15s}
.pillar:hover{transform:translateY(-2px);border-color:var(--brand)}
.pillar .pk{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brand)}
.pillar b{font-family:var(--f-display);font-size:1.15rem}
.pillar span:last-child{font-size:.88rem;color:var(--mut)}
.lvl{margin-top:22px}
.lvl>h3{display:flex;align-items:center;gap:10px;font-size:1rem;margin-bottom:10px}
.lvl>h3 .chip-l{font-family:var(--f-mono);font-size:.7rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;border-radius:999px;padding:3px 10px;background:var(--brand-soft);color:var(--brand)}
.lvl>h3 span.d{font-family:var(--f-body);font-weight:400;color:var(--mut);font-size:.9rem}
.lvl .mods{margin-top:0}
.card,.mod{transition:border-color .15s,box-shadow .15s}
.card:hover,.mod:hover{border-color:var(--brand);box-shadow:0 6px 18px -12px var(--brand)}
.more{display:flex;justify-content:center;margin-top:18px}
.more button{font:inherit;font-weight:700;border:1px solid var(--brand);color:var(--brand);background:var(--surface);border-radius:999px;padding:8px 18px;cursor:pointer}
.more button:hover{background:var(--brand-soft)}
#tl{position:relative}
.tl-year{position:relative;border-top:none;padding-left:4px}
.tl-items{border-left:2px solid var(--line);padding-left:16px}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-22px;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--surface);border:2px solid var(--brand)}
footer{background:var(--surface);border-top:1px solid var(--line);margin-top:24px}
footer .cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-block:28px 10px}
footer h4{font-family:var(--f-display);font-size:.95rem;color:var(--ink);margin:0 0 6px}
@media (max-width:860px){.pillars{grid-template-columns:repeat(2,minmax(0,1fr))}footer .cols{grid-template-columns:minmax(0,1fr)}}
@media (max-width:520px){.pillars{grid-template-columns:minmax(0,1fr)}}

.reader{position:fixed;inset:0;z-index:50;background:color-mix(in srgb,var(--ink) 45%,transparent);display:flex;justify-content:center;align-items:flex-start;overflow-y:auto;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px))}
.reader[hidden],[hidden]{display:none!important}
.rd-panel{background:var(--surface);color:var(--ink);border-radius:14px;max-width:820px;width:100%;padding:22px 26px 26px;box-shadow:0 20px 60px -20px rgba(0,0,0,.4);margin-block:12px}
.rd-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px}
.rd-x,.rd-nav button{font:inherit;font-size:.9rem;font-weight:700;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:6px 14px;cursor:pointer}
.rd-x:hover,.rd-nav button:hover{border-color:var(--brand)}
#rd-body h2{font-size:clamp(1.5rem,3.4vw,2rem);margin:4px 0 10px}
#rd-body .rd-intro{font-size:1.08rem;color:var(--mut);margin-bottom:14px}
#rd-body h3{font-size:1.1rem;margin:20px 0 6px}
#rd-body p,#rd-body li{line-height:1.65}
#rd-body ul{padding-left:20px;margin:6px 0}
.rd-goals{background:var(--brand-soft);border-radius:10px;padding:12px 16px;margin:10px 0}
.rd-goals b{display:block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin-bottom:4px}
.rd-box{border-radius:10px;padding:12px 16px;margin-top:16px;border:1px solid var(--line)}
.rd-box.ex{border-left:4px solid var(--brand)}
.rd-box.mi{border-left:4px solid var(--stop)}
.rd-box.tz{border-left:4px solid var(--accent)}
.rd-box.ck{border-left:4px solid var(--brand);background:var(--brand-soft)}
.rd-box.rm{border-left:4px solid var(--ink);background:color-mix(in srgb,var(--accent) 10%,transparent)}
.rd-box details{border-top:1px solid var(--line);padding:8px 0}
.rd-box details:first-of-type{border-top:0}
.rd-box summary{cursor:pointer;font-weight:600}
.rd-box details p{margin:6px 0 0 18px}
.rd-time{font-family:var(--f-mono);font-size:.75rem;color:var(--muted,#667);margin:-4px 0 8px}
.rd-terms{margin:14px 0}
.rd-terms dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin:8px 0 0}
.rd-terms dl>div{border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.rd-terms dt{font-weight:700;color:var(--brand)}
.rd-terms dd{margin:4px 0 0;font-size:.93rem}
.rd-terms .eg{display:block;margin-top:4px;font-size:.85rem;font-style:italic;opacity:.85}
.review-badge{display:inline-block;margin-top:8px;border:1px dashed var(--accent);color:var(--ink);border-radius:8px;padding:6px 12px;font-size:.88rem}
#rd-body ol.ladder5{padding-left:22px}#rd-body ol.ladder5 li{margin:4px 0;padding:4px 8px;border-radius:6px;background:var(--brand-soft)}#rd-body ol.ladder5 li:nth-child(n+4){background:transparent;border:1px solid var(--line)}
.rd-note{font-size:.8rem;opacity:.8;margin-top:8px}
.rd-box h4{margin:0 0 6px;font-family:var(--f-display);font-size:1rem}
.rd-refs{font-size:.88rem;margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.rd-refs ol{padding-left:20px}
.rd-nav{display:flex;justify-content:space-between;gap:10px;margin-top:20px;flex-wrap:wrap}
.mod .open{font:inherit;font-weight:700;font-size:.9rem;align-self:flex-start;border:0;background:var(--brand);color:var(--surface);border-radius:999px;padding:7px 16px;cursor:pointer;margin-top:auto}
.mod .open:hover{filter:brightness(1.1)}
/* figures */
.fx{margin:16px 0;padding:16px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.fx figcaption{font-size:.85rem;color:var(--mut);margin-top:12px}
.rings .ring{border-radius:18px;padding:12px 14px 14px;border:2px solid var(--brand)}
.rings .ring>span{display:block;font-size:.88rem;margin-bottom:10px}
.rings .r1{background:var(--surface)}.rings .r2{background:var(--brand-soft)}.rings .r3{background:var(--surface)}.rings .r4{background:var(--brand);color:var(--surface);border-color:var(--brand)}
.rings .r4>span{margin:0}
.pipe{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.pipe span:not(.fx-arrow){background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.86rem;font-weight:700}
.pipe span.hi{background:var(--brand);color:var(--surface);border-color:var(--brand)}
.fx-arrow{color:var(--mut)}
.cm{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr);gap:4px;margin-top:14px;max-width:460px;font-size:.85rem}
.cm-h{font-weight:700;padding:6px;color:var(--mut)}
.cm-c{padding:12px 8px;border-radius:6px;text-align:center;font-weight:700}
.cm-c.good{background:var(--ok-soft);color:var(--ok)}.cm-c.bad{background:var(--stop-soft);color:var(--stop)}
.ladder{display:grid;gap:6px}
.rung{display:grid;grid-template-columns:120px minmax(0,1fr);gap:12px;align-items:center;border-radius:8px;padding:10px 12px;font-size:.88rem}
.r-low{background:var(--ok-soft)}.r-mid{background:var(--warn-soft)}.r-high{background:var(--stop-soft)}.r-top{background:var(--stop);color:var(--surface)}
.loop{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
.loop span{background:var(--brand);color:var(--surface);border-radius:8px;padding:10px;font-weight:700;font-size:.86rem;text-align:center}
.lights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}
.lt{border-radius:8px;padding:10px 12px;font-size:.84rem;display:grid;gap:4px}
.lt.red{background:var(--stop-soft)}.lt.red b{color:var(--stop)}.lt.amber{background:var(--warn-soft)}.lt.amber b{color:var(--warn)}.lt.green{background:var(--ok-soft)}.lt.green b{color:var(--ok)}
.six{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.six div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px;display:grid;gap:4px;font-size:.88rem}
.six b{font-family:var(--f-display);font-size:1.4rem;color:var(--brand)}
.layers{display:grid;gap:6px}
.ly{display:grid;grid-template-columns:130px minmax(0,1fr);gap:12px;border-radius:8px;padding:10px 12px;font-size:.88rem;background:var(--surface);border:1px solid var(--line)}
.ly:nth-child(1){margin-inline:0}.ly:nth-child(2){margin-inline:4%}.ly:nth-child(3){margin-inline:8%}.ly:nth-child(4){margin-inline:12%}.ly:nth-child(5){margin-inline:16%;background:var(--brand);color:var(--surface)}
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.tc{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;display:grid;gap:6px;font-size:.9rem}
.tc b{font-family:var(--f-display);font-size:1.05rem}.tc em{font-style:normal;font-size:.84rem;color:var(--brand);font-weight:700}
.tc.hi2{background:var(--brand);color:var(--surface)}
.lanes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.ln{border-radius:10px;padding:12px;display:grid;gap:6px;font-size:.88rem}
.ln.no{background:var(--stop-soft)}.ln.no b{color:var(--stop)}.ln.dis{background:var(--warn-soft)}.ln.dis b{color:var(--warn)}.ln.req{background:var(--ok-soft)}.ln.req b{color:var(--ok)}
.warn2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}
.warn2 div{background:var(--stop-soft);border-radius:8px;padding:10px 12px;display:grid;gap:4px;font-size:.86rem}.warn2 b{color:var(--stop)}
.ten{columns:2;column-gap:24px;margin:0;padding-left:22px;font-size:.92rem}.ten li{break-inside:avoid;margin-bottom:6px}
.card .short{font-weight:700;font-size:.95rem}
.card .when{font-size:.9rem}
.card .when b{color:var(--brand)}
.card details{font-size:.88rem;color:var(--mut)}
.card details summary{cursor:pointer;color:var(--brand);font-weight:700}
@media (max-width:640px){.six,.lanes,.lights,.loop{grid-template-columns:minmax(0,1fr)}.two-col,.warn2{grid-template-columns:minmax(0,1fr)}.ten{columns:1}.rung,.ly{grid-template-columns:minmax(0,1fr)}.ly{margin-inline:0!important}.rd-panel{padding:18px}}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:24px;padding-block:28px 20px}
  .about,.persp,.policy{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){.tasks{grid-template-columns:minmax(0,1fr)}.watch{columns:1}nav.sec{display:none}}
@media (prefers-reduced-motion:no-preference){.card,.task{transition:border-color .15s}}

/* ---- v2 multi-page additions ---- */
header.top .wrap{gap:18px}
nav.sec a[aria-current="page"]{color:var(--brand);font-weight:700;border-bottom:2px solid var(--brand);padding-bottom:2px}
@media (max-width:860px){header.top .wrap{flex-wrap:wrap}nav.sec{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}nav.sec a{white-space:nowrap}}
@media (max-width:520px){nav.sec{display:flex!important}}
.crumbs{font-size:.85rem;color:var(--mut);padding-block:12px 0}
.crumbs a{color:var(--mut)}
h1.ph{font-family:var(--f-display);font-size:clamp(1.6rem,3.4vw,2.2rem);margin:4px 0 0;line-height:1.15}
.h3{font-size:1.1rem;margin:22px 0 8px;font-family:var(--f-display)}
.h4{margin:0 0 6px;font-family:var(--f-display);font-size:1rem}
.mod .mh{font-family:var(--f-display);font-size:1.05rem;margin:4px 0 6px}
.mod a.open{font-weight:700;font-size:.9rem;align-self:flex-start;background:var(--brand);color:var(--surface);border-radius:999px;padding:7px 16px;margin-top:auto;text-decoration:none}
.lvl-h{display:flex;gap:10px;align-items:center;font-size:1rem;margin:26px 0 12px}
.lvl-h .d{font-weight:400;color:var(--mut);font-size:.95rem}
.home-more{margin-top:16px;font-size:.92rem;color:var(--mut)}
/* lesson page */
.lesson-wrap{max-width:860px}
article.lesson{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 30px 30px}
article.lesson h1{font-family:var(--f-display);font-size:clamp(1.5rem,3.4vw,2.1rem);margin:4px 0 6px;line-height:1.15}
article.lesson p,article.lesson li{line-height:1.65}
article.lesson ul{padding-left:20px}
.lnav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:.92rem}
.lnav a{font-weight:700}
@media (max-width:640px){article.lesson{padding:18px}}
/* nursing */
.ncards{list-style:none;padding:0;margin:18px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.ncard{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:grid;gap:6px}
.ncard a{font-weight:700;font-family:var(--f-display)}
.ncard span{font-size:.82rem;color:var(--mut)}
.ncard p{margin:0;font-size:.92rem}
/* timeline v2 */
.tl-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0 6px}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--brand);flex:none}
.chip .dot{margin-right:6px;vertical-align:-1px}
[data-topic="Ethics and policy"]{--tc:#7a4fb3}
[data-topic="Law and regulation"]{--tc:#b3412c}
[data-topic="Standards and devices"]{--tc:#2a6fb0}
[data-topic="Research reporting"]{--tc:#0d7a6a}
[data-topic="Evidence synthesis"]{--tc:#8a6a12}
[data-topic="Education"]{--tc:#c26a1e}
[data-topic="Publishing"]{--tc:#5c6b73}
[data-topic="Nursing"]{--tc:#c0306b}
.dot[data-topic]{background:var(--tc)}
.tl2 .ty{display:grid;grid-template-columns:110px minmax(0,1fr);gap:18px;margin-top:22px}
.ty-h{position:sticky;top:10px;align-self:start;margin:0;font-family:var(--f-display)}
.ty-h span{display:block;font-size:2rem;color:var(--brand);line-height:1}
.ty-h small{display:block;font-family:var(--f-mono);font-size:.7rem;color:var(--mut);font-weight:500;margin-top:4px}
.ty-list{list-style:none;margin:0;padding:0 0 0 18px;border-left:2px solid var(--line);display:grid;gap:10px}
.te{position:relative;display:grid;grid-template-columns:58px minmax(0,1fr);gap:12px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--tc,var(--brand));border-radius:10px;padding:10px 14px}
.te::before{content:"";position:absolute;left:-27px;top:16px;width:12px;height:12px;border-radius:50%;background:var(--surface);border:3px solid var(--tc,var(--brand))}
.te-date{text-align:center;font-family:var(--f-mono);line-height:1.1}
.te-date b{display:block;font-size:1rem;color:var(--ink)}
.te-date b.nm{color:var(--mut)}
.te-date span{font-size:.7rem;color:var(--mut)}
.te-top{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:.75rem}
.te-topic{font-family:var(--f-mono);color:var(--tc,var(--mut))}
.te .upd{font-family:var(--f-mono);font-size:.7rem;background:var(--warn-soft);color:var(--warn);border-radius:4px;padding:1px 6px}
.te-title{display:block;font-weight:700;font-size:1rem;margin:3px 0 2px;font-family:var(--f-display)}
.te-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.82rem;color:var(--mut)}
.te-meta span+span::before{content:"·";margin-right:12px;color:var(--line)}
.te-note{margin:4px 0 0;font-size:.85rem;color:var(--mut)}
@media (max-width:640px){.tl2 .ty{grid-template-columns:minmax(0,1fr);gap:8px}.ty-h{position:static}.ty-h span{display:inline;font-size:1.6rem;margin-right:8px}.ty-h small{display:inline}.te{grid-template-columns:46px minmax(0,1fr);padding:10px}}
/* coming soon */
.cs-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.cs-item{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 16px;border:1px dashed var(--line,#cfd8d6);border-radius:12px;background:var(--card,#fff)}
.cs-when{font-weight:700;font-size:.92rem;color:var(--accent,#0b5d4f)}
.cs-name{font-weight:650}
.cs-name a{color:inherit}
.cs-meta{font-size:.85rem;opacity:.75;margin:2px 0 6px}
.cs-item p{margin:4px 0;font-size:.93rem}
.cs-status{font-size:.85rem;opacity:.8}
.cs-tag{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:99px;font-size:.72rem;font-weight:600;vertical-align:middle;background:#eef3f2}
.cs-delayed{background:#fbecd9;color:#8a4b08}
.cs-nursing{background:#f8e1ea;color:#9b2350}
.cs-binding{background:#e6e3f5;color:#4a3a9a}
@media (max-width:640px){.cs-item{grid-template-columns:1fr;gap:4px}}
/* courses */
.co-g{margin:26px 0 10px}.co-g span{opacity:.6;font-weight:500}
.co-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.co{padding:14px 16px;border:1px solid var(--line,#dde5e3);border-radius:12px;background:var(--card,#fff)}
.co-h{font-weight:650}.co-h a{color:inherit}
.co p{margin:6px 0;font-size:.93rem}
.co-f{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.co-f span{font-size:.78rem;padding:2px 8px;border-radius:99px;background:#eef3f2}
@media (max-width:640px){.co-list{grid-template-columns:1fr}}
/* research pulse panels */
.pp-wide{margin-top:22px}
.pp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:26px 34px;margin-top:26px}
.pp h3{margin:0 0 10px}
.pp .tp span{font-size:.9rem}
@media (max-width:640px){.pp-grid{grid-template-columns:1fr}}
.pp-sec{margin:38px 0 6px;font-size:1.25rem}
.sp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:12px}
.sp{border:1px solid var(--line,#dde5e3);border-radius:12px;padding:12px 14px;background:var(--card,#fff);color:#0b5d4f}
.sp-h{display:flex;justify-content:space-between;gap:10px;font-size:.88rem;color:var(--ink,#1a2b28)}
.sp svg{width:100%;height:56px;margin:6px 0 2px}
.sp-f{display:flex;justify-content:space-between;font-size:.74rem;color:var(--muted,#5b6b68)}
ol.cited{padding-left:22px}ol.cited li{margin:0 0 10px}ol.cited li a{font-weight:600}ol.cited li span{display:block;font-size:.85rem;opacity:.8}
/* ===== research pulse v3 ===== */
.fcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:22px}
.fc{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--c);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.fc b{font-family:var(--f-display);font-size:1.9rem;line-height:1.1;color:var(--c)}
.fc span{font-size:.9rem;color:var(--ink);font-weight:600}
.fc em{font-style:normal;font-size:.78rem;color:var(--mut)}
.pblock{margin-top:34px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.pblock .h3{font-size:1.25rem;margin:0}
.ptab-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.ptab-h h3{margin:0;font-size:1.12rem}
.stamp{font-family:var(--f-mono);font-size:.72rem;color:var(--mut);background:var(--brand-soft);border-radius:999px;padding:3px 10px;white-space:nowrap}
.ptab-d{color:var(--mut);margin:6px 0 14px;font-size:.93rem;max-width:760px}
.pblock .bars{margin:8px 0 30px}
.ptabs{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 16px}
.ptabs [role=tab]{font:inherit;font-size:.88rem;font-weight:600;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:6px 14px;cursor:pointer}
.ptabs [role=tab]:hover{border-color:var(--c)}
.ptabs [role=tab][aria-selected=true]{background:var(--c);border-color:var(--c);color:#fff}
.ptab{border-top:3px solid var(--c);padding-top:14px}
.ptab-n{margin-top:12px}
.hbars{display:grid;gap:9px}
.hb{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1.6fr) 56px 56px;gap:12px;align-items:center;font-size:.92rem}
.hb-head{font-size:.72rem;color:var(--mut);font-family:var(--f-mono)}
.hb-head b,.hb-head em{font-weight:500}
.hb-t{height:12px;background:var(--brand-soft);border-radius:6px;overflow:hidden}
.hb-t i{display:block;height:100%;border-radius:6px}
.hb b{font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
.hb em{font-style:normal;font-family:var(--f-mono);font-size:.78rem;color:var(--mut);text-align:right}
.minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:16px}
.minis div{background:var(--bg);border-radius:10px;padding:10px 12px;border-left:4px solid var(--c)}
.minis b{display:block;font-family:var(--f-display);font-size:1.5rem;color:var(--c)}
.minis span{display:block;font-size:.85rem}.minis em{font-style:normal;font-size:.75rem;color:var(--mut)}
.sub{margin:4px 0 10px;font-size:.98rem}
ol.cited{padding-left:22px;margin:0;display:grid;gap:12px}
ol.cited a{font-weight:600}
.ci-m{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:4px;font-size:.82rem}
.ci-j{color:var(--mut)}
.pill{background:var(--brand-soft);border-radius:999px;padding:1px 9px;font-weight:600}
.pill-r{background:#f3e7d9;color:#8a5a2b}
.tchips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tchip{font:inherit;font-size:.84rem;border:1.5px solid var(--line);background:var(--bg);color:var(--mut);border-radius:999px;padding:5px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.tchip .dot,.tsum .dot{width:10px;height:10px;border-radius:50%;background:var(--c);display:inline-block;opacity:.35}
.tchip[aria-pressed=true]{border-color:var(--c);color:var(--ink);background:var(--surface);font-weight:600}
.tchip[aria-pressed=true] .dot{opacity:1}
.tchart svg{width:100%;height:auto;display:block}
.tchart .grid{stroke:var(--line);stroke-width:1}
.tchart .ax{font-family:var(--f-mono);font-size:11px;fill:var(--mut)}
.tsum ul{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:4px;font-size:.88rem}
.tsum .dot{opacity:1;margin-right:6px}
.chg{font-family:var(--f-mono);font-size:.78rem;padding:0 6px;border-radius:6px}
.chg.up{background:#e3f3ea;color:#1f7a4a}.chg.down{background:#fbe6e6;color:#a33}
.ttable{margin-top:12px;font-size:.85rem}
.tscroll{overflow-x:auto}.ttable table{border-collapse:collapse;min-width:640px}
.ttable th,.ttable td{border-bottom:1px solid var(--line);padding:4px 8px;text-align:right;font-variant-numeric:tabular-nums}
.ttable th[scope=row]{text-align:left;font-weight:500}
.gloss{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:10px 0 0}
.gloss div{background:var(--bg);border-radius:10px;padding:10px 12px}
.gloss dt{font-weight:700;font-size:.92rem}.gloss dd{margin:2px 0 0;font-size:.86rem;color:var(--mut)}
#pulse .method{margin-top:26px}
@media (max-width:640px){
 .pblock{padding:16px 14px}
 .hb{grid-template-columns:minmax(0,1fr) 46px 46px;row-gap:3px}
 .hb .hb-t{grid-column:1/-1;grid-row:2}
 .hb-head{display:none}
 .stamp{white-space:normal}
}
@media (max-width:640px){.fcards{grid-template-columns:1fr 1fr}.fc b{font-size:1.5rem}.fc:first-child{grid-column:1/-1}}
.rtable{width:100%;border-collapse:collapse;font-size:.9rem}
.rtable th{font-family:var(--f-mono);font-size:.72rem;color:var(--mut);font-weight:500;text-align:left;border-bottom:1px solid var(--line);padding:6px 8px}
.rtable td{border-bottom:1px solid var(--line);padding:7px 8px;vertical-align:top}
.rtable .num{text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.rtable .rk{color:var(--mut);font-family:var(--f-mono);width:28px}
.orcid{font-size:.7rem;font-weight:700;color:#4a7f12;border:1px solid #a6ce39;border-radius:6px;padding:0 5px;margin-left:4px;text-decoration:none}
.pnav{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.pnav a{font-size:.88rem;font-weight:600;text-decoration:none;color:var(--ink);border:1.5px solid var(--line);background:var(--surface);border-radius:10px;padding:7px 14px}
.pnav a:hover{border-color:var(--brand)}
.pnav a[aria-current=page]{background:var(--brand);border-color:var(--brand);color:#fff}