/* Layout: search-led home with a live syringe as the one bold element; compound pages use a sticky left contents rail + stacked cards. */
:root{
  color-scheme:light;
  --navy:#0D132A; --ink:#0D132A; --ink-2:#4A5370; --ink-3:#5F677D;
  --bg:#FDFCFA; --surface:#F4F1EC; --surface-2:#EAE6DE; --line:#E4E0D8; --mist:#EAF5F5;
  --teal:#18A3A3; --teal-ink:#0D7375; --teal-wash:#E3F4F4;
  --orange:#FF8A00; --orange-wash:#FFF1E0; --orange-ink:#9E5400;
  --white-tile:#FFFFFF; --hero-wash:#EAF5F5;
  --ok:#17754C; --warn:#9E5400; --bad:#B63D37; --bad-wash:#FCEBEA;
  --shadow:0 2px 6px rgba(13,19,42,.04),0 10px 30px rgba(24,163,163,.10);
  --f-display:"Plus Jakarta Sans","Satoshi",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --measure:68ch; --r-s:12px; --r-m:20px; --r-l:28px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
.cmp .bd .tag,.res .tag{justify-self:start}
.hero h1{isolation:isolate}
html,body{overflow-x:clip}
body{background:var(--bg);color:var(--ink);font:400 17px/1.7 var(--f-body);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
h1,h2,h3,h4{font-family:var(--f-display);color:var(--ink);text-wrap:balance;margin:0;letter-spacing:-.015em}
h1{font-size:clamp(2.2rem,5.4vw,3.6rem);line-height:1.05;font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.15;font-weight:700}
h3{font-size:1.125rem;line-height:1.3;font-weight:700}
p{margin:0}
a{color:var(--teal-ink);text-underline-offset:3px}
button{font:inherit;color:inherit}
img{height:auto}
.news-row-h{font:700 .78rem var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:22px 0 10px}
.post{max-width:var(--measure)}
.news-list{display:grid;gap:14px;max-width:var(--measure)}
.news-item{border-bottom:1px solid var(--line);padding-bottom:16px}
.news-item h3{margin-top:6px;font-size:1.2rem}
.news-item h3 a{color:var(--ink);text-decoration:none}
.news-item h3 a:hover{text-decoration:underline}
.news-item p{margin-top:8px}
.news-item .more{display:inline-block;margin-top:8px;font-weight:600}
.post-meta{margin-top:8px;font-size:.9rem}
.post-body{margin-top:18px}
.post-body p,.post-body li{max-width:var(--measure)}
.post-body p{margin-top:12px}
.post-body h2,.post h2{margin-top:30px;font-size:1.35rem}
.post-body ul{margin:12px 0 0 1.2em;display:grid;gap:6px}
.post-body .tbl-wrap{margin-top:14px}
.post-body .evc{vertical-align:middle}
.post-src{margin:10px 0 0 1.2em;display:grid;gap:8px;font-size:.92rem}
.post-src a{overflow-wrap:anywhere}
.mix-more{margin-top:34px}
.prose p{margin-top:10px;max-width:var(--measure)}
.bns{display:grid;gap:10px;margin-top:12px}
.bn{display:flex;gap:14px;justify-content:space-between;align-items:flex-start;border:1px solid var(--line);border-radius:var(--r-m);padding:14px 16px;background:var(--bg)}
.bn h3{font-size:1rem}.bn p{margin-top:4px;color:var(--ink-2);max-width:var(--measure)}
.bn .ev{flex:none}
.srcl{font-size:.85rem;white-space:nowrap}
.tls{display:grid;gap:10px;margin-top:10px}
.tl{display:grid;grid-template-columns:150px 1fr auto;gap:12px;align-items:start;border-left:3px solid var(--teal);padding:4px 0 4px 12px}
@media (max-width:640px){.tl{grid-template-columns:1fr}}
.scis{display:grid;gap:12px;margin-top:12px}
.sci{border:1px solid var(--line);border-radius:var(--r-m);padding:14px 16px}
.sci-h{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.sci h3{font-size:1rem}
.sci p{margin-top:6px;color:var(--ink-2);max-width:var(--measure)}
.protos{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin-top:16px}
.proto{border:1px solid var(--line);border-radius:var(--r-m);padding:14px 16px;background:var(--surface)}
.proto h3{font-size:1.02rem}.proto dl{margin-top:8px;display:grid;gap:4px}
.proto dl div{display:grid;grid-template-columns:96px 1fr;gap:8px;font-size:.92rem}
.proto dt{color:var(--ink-3);font-weight:600}.proto dd{margin:0}
.recon{margin-top:14px;font-size:.95rem}
.watch ul{margin:6px 0 0 1.1em;display:grid;gap:4px;color:var(--ink-2)}
.bn>div,.sci,.sci-h>h3,.proto{min-width:0}.bn p,.sci p,.proto dd{overflow-wrap:anywhere}
@media (max-width:640px){.bn{flex-direction:column;gap:8px}.sci-h{flex-direction:column;gap:6px}}
.dose-note{margin:4px 0 14px;padding:10px 12px;border-left:3px solid var(--orange);background:var(--surface);font-size:.92rem;max-width:var(--measure)}
.reg{margin-top:16px;padding:12px 14px;border-left:3px solid var(--teal);background:var(--surface);border-radius:0 var(--r-s,8px) var(--r-s,8px) 0;font-size:.95rem;max-width:var(--measure)}
.post-rel{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px}
[tabindex="-1"]:focus,[tabindex="-1"]:focus-visible{outline:none}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font:600 1rem/1.4 var(--f-display);letter-spacing:-.01em;color:var(--teal-ink)}
.eyebrow.label{font:600 .75rem/1 var(--f-body);letter-spacing:.09em;text-transform:uppercase}
.muted{color:var(--ink-2)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:11px 18px;font-weight:600;cursor:pointer;text-decoration:none;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-ghost{background:var(--surface);color:var(--ink)}
.btn-ghost:hover{background:var(--surface-2)}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 14px;font-size:.9rem;font-weight:500;cursor:pointer;color:var(--ink);text-decoration:none}
.chip:hover{border-color:var(--teal);color:var(--teal-ink)}
.chip.on{background:var(--teal-wash);border-color:var(--teal);color:var(--teal-ink)}
.tag{display:inline-block;font:600 .7rem/1 var(--f-body);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:6px;background:var(--teal-wash);color:var(--teal-ink)}
.tag.orange{background:var(--orange-wash);color:var(--orange-ink)}
.tag.gray{background:var(--surface);color:var(--ink-2)}

/* header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;color:var(--ink);text-decoration:none}
.logo svg{height:34px;width:auto}
nav.main{display:flex;gap:4px;margin-left:12px}
nav.main a{padding:8px 12px;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
nav.main a:hover,nav.main a.cur{background:var(--surface)}
nav.main a.cur{color:var(--teal-ink)}
.hdr-r{margin-left:auto;display:flex;gap:8px;align-items:center}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.menu-btn{display:none}
@media (max-width:860px){nav.main{display:none}.menu-btn{display:grid}}
.mobile-nav{border-top:1px solid var(--line);padding-block:8px 14px;display:grid;gap:2px}
.mobile-nav a{padding:10px 4px;color:var(--ink);text-decoration:none;font-weight:500;border-bottom:1px solid var(--line)}


/* ===== v2: blueprint components ===== */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.door{display:flex;gap:14px;align-items:flex-start;padding:20px 22px;border:0;border-radius:var(--r-m);background:var(--mist);text-decoration:none;color:var(--ink);transition:transform .25s cubic-bezier(.2,.8,.3,1),box-shadow .25s}
.door.vet{background:var(--surface)}
.door:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.door .ic{width:40px;height:40px;border-radius:14px;display:grid;place-items:center;flex:none;background:#fff;color:var(--teal-ink)}
.door.vet .ic{background:#fff;color:var(--ink)}
.door b{display:block;font-family:var(--f-display);font-size:1.02rem}
.door small{color:var(--ink-2);display:block;margin-top:2px;line-height:1.4}
@media (max-width:640px){.doors{grid-template-columns:1fr}}
.mguide{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:center;margin-top:22px;padding:20px 24px;border-radius:var(--r-l);background:var(--mist)}
.mguide img{width:124px;height:auto;display:block;max-width:none;aspect-ratio:auto}
.mguide p{color:var(--ink-2);font-size:1rem;margin:0;max-width:var(--measure)}
.mguide p b{color:var(--ink);font-family:var(--f-display)}
@media (max-width:620px){.mguide{grid-template-columns:84px minmax(0,1fr);gap:12px;padding:16px 18px;align-items:start}.mguide img{width:84px;margin-top:-6px}}
.newhere .nh p,.art .card p,.stepc p,.sec-note p,section>.wrap>p{max-width:var(--measure)}
table.dose p,td p,th p{max-width:none}
@media (max-width:900px){:root{--jump:148px}}
.note-edu{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start;margin-top:12px;padding:12px 14px;border-radius:var(--r-m);background:var(--surface);color:var(--ink-2);font-size:.88rem;line-height:1.5}
.note-edu svg{flex:none;margin-top:2px;color:var(--teal-ink)}
.note-edu .rev{margin-left:auto;white-space:nowrap;color:var(--ink-3)}
@media (max-width:640px){.note-edu .rev{margin-left:28px;white-space:normal}}
.ev{display:inline-flex;align-items:center;gap:6px;font:600 .72rem/1 var(--f-body);letter-spacing:.03em;padding:5px 9px;border-radius:999px;border:1px solid transparent;white-space:nowrap;cursor:help}
.ev::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}
.ev-H{background:#E3F4F4;color:#0E7C7E;border-color:#B6E2E2}
.ev-A{background:#EEF1F8;color:#3B4A7A;border-color:#CDD5EA}
.ev-A::before{border-radius:2px}
.ev-U{background:var(--orange-wash);color:var(--orange-ink);border-color:#FFD9AE}
.ev-U::before{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:9px solid currentColor;background:none;border-radius:0}
.ev-\?{background:var(--surface);color:var(--ink-2);border-color:var(--line)}
.ev-\?::before{background:none;border:2px dashed currentColor;width:7px;height:7px}
.ev-badge{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ev-badge .muted{font-size:.85rem}
.uses{display:grid;gap:10px;margin-top:14px}
.use{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-m)}
.use p{font-weight:500}
.use a{font-size:.85rem;margin-left:8px}
@media (max-width:560px){.use{grid-template-columns:1fr}}
.evkey{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center;font-size:.85rem;color:var(--ink-2)}
.newhere{margin-top:16px;border:1px dashed var(--line);border-radius:var(--r-m);background:var(--hero-wash)}
.newhere summary{display:flex;gap:12px;align-items:center;padding:12px 14px;cursor:pointer;list-style:none;font-weight:600}
.newhere summary::-webkit-details-marker{display:none}
.newhere summary img{width:40px;height:40px;border-radius:50%;object-fit:cover;object-position:center;background:#fff;flex:none}
.newhere summary .arrow{margin-left:auto;color:var(--ink-3);transition:transform .2s}
.newhere[open] summary .arrow{transform:rotate(180deg)}
.newhere .nh{padding:0 14px 14px 62px;color:var(--ink-2);display:grid;gap:8px;font-size:.95rem}
.newhere .nh b{color:var(--ink)}
.watch{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.watch .boxed h3{display:flex;align-items:center;gap:8px}
.watch .boxed h3::before{content:"";width:10px;height:10px;border-radius:50%;flex:none}
.watch .w-common h3::before{background:var(--teal)}
.watch .w-rare h3::before{background:#3B4A7A}
.watch .w-avoid h3::before{background:var(--orange)}
.watch .w-stop{background:var(--bad-wash)}
.watch .w-stop h3::before{background:var(--bad)}
@media (max-width:640px){.watch{grid-template-columns:1fr}}
.term{text-decoration:underline dotted var(--teal);text-decoration-thickness:1.5px;text-underline-offset:3px;cursor:help;position:relative;color:inherit}
.term:hover,.term:focus-visible,.term.open{background:var(--teal-wash);border-radius:3px}
.term .def{position:absolute;left:0;top:calc(100% + 8px);z-index:30;width:min(300px,80vw);background:var(--navy);color:#fff;padding:10px 12px;border-radius:10px;font:400 .85rem/1.45 var(--f-body);box-shadow:var(--shadow);display:none;text-decoration:none}
.term .def b{color:#7FE0E0;display:block;margin-bottom:2px;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.term:hover .def,.term:focus-visible .def,.term.open .def{display:block}
.term .def::before{content:"";position:absolute;top:-6px;left:14px;border:6px solid transparent;border-top:0;border-bottom-color:var(--navy)}
.sources{margin-top:14px;display:grid;gap:6px;font-size:.9rem;min-width:0}
.sources div{overflow-wrap:anywhere}
.sources a{overflow-wrap:anywhere;display:inline-block;padding-block:4px}
.placeholder{display:inline-flex;gap:6px;align-items:center;font:600 .72rem/1 var(--f-body);letter-spacing:.04em;text-transform:uppercase;color:var(--orange-ink);background:var(--orange-wash);padding:5px 8px;border-radius:6px}
.steps{display:grid;gap:14px;margin-top:22px}
.stepc{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:var(--r-l);background:var(--bg)}
.stepc .n{width:48px;height:48px;border-radius:14px;background:var(--navy);color:#fff;display:grid;place-items:center;font:800 1.2rem var(--f-display)}
.stepc h2{font-size:1.125rem;line-height:1.3;font-weight:700;margin-bottom:6px}
.boxed h2{font-size:1.125rem;line-height:1.3;font-weight:700;margin-bottom:8px}
.stepc h3{margin-bottom:6px}
.gloss-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:22px}
.gloss-grid .boxed{background:var(--surface);border:0;border-radius:var(--r-m);padding:18px 20px}
.gloss-grid .boxed h3{font-size:1.02rem;margin-bottom:6px}
.gloss-grid .boxed h3{font-size:1rem}
.commission{font-size:.82rem;color:var(--ink-2);margin-top:6px}

.evrow{display:grid;gap:10px;margin-bottom:8px}
.evi{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;padding:16px 20px;border-radius:var(--r-m);background:var(--surface)}
.evi p{font-size:.96rem;color:var(--ink-2)}
.evc{font:600 .74rem/1 var(--f-body);padding:7px 12px;border-radius:999px;white-space:nowrap}
.evc.h{background:var(--mist);color:var(--teal-ink)}
.evc.a{background:#EEF1F8;color:#3B4A7A}
.evc.u{background:var(--orange-wash);color:var(--orange-ink)}
.evc.q{background:#EFEDE9;color:var(--ink-2)}
@media (max-width:560px){.evi{grid-template-columns:1fr;gap:8px}}
.cgroups{display:grid;gap:26px;margin-top:22px}
.cgroup h2{font-size:1.25rem;display:flex;align-items:baseline;gap:10px;padding-bottom:10px;border-bottom:1.5px solid var(--line)}
.cgroup h2 span{font:500 .8rem var(--f-body);color:var(--ink-3);font-variant-numeric:tabular-nums}
.crows{display:grid;gap:8px;margin-top:12px}
.crow{display:grid;grid-template-columns:minmax(0,1.4fr) auto minmax(0,.8fr) minmax(0,auto);gap:14px;align-items:center;padding:14px 18px;border-radius:var(--r-m);background:var(--bg);border:1.5px solid var(--line);text-decoration:none;color:var(--ink);transition:border-color .2s,transform .25s cubic-bezier(.2,.8,.3,1)}
.crow:hover{border-color:var(--teal);transform:translateX(4px)}
.crow .cn b{font-family:var(--f-display);display:block;line-height:1.25}
.crow .cn small{color:var(--ink-2);font-size:.86rem;display:block;margin-top:1px}
.crow .cd{font-size:.9rem;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.crow .cf{font-size:.86rem;color:var(--ink-3);line-height:1.35}
.crow .cev{font-size:.82rem;color:var(--ink-3);white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right}
@media (max-width:760px){.crow{grid-template-columns:minmax(0,1fr) auto;gap:6px 14px}.crow .cf{grid-column:1;font-size:.82rem}.crow .cev{grid-column:2;justify-self:end}}
/* views */
.view{display:none}
.view.on{display:block}
@keyframes fade{from{opacity:.4;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.view.on{animation:none}}
section{padding-block:56px}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.sec-head p{max-width:56ch}

/* HOME hero */
.hero{background:linear-gradient(180deg,var(--hero-wash),var(--bg));padding-block:48px 24px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.hero-grid>*{min-width:0}
.hero h1 .hl{color:var(--teal-ink);background-image:linear-gradient(var(--orange),var(--orange));background-repeat:no-repeat;background-size:100% .14em;background-position:0 92%;-webkit-box-decoration-break:clone;box-decoration-break:clone}
@media (max-width:620px){.hero h1 .hl{white-space:normal}.hero h1 .hl::after{display:none}}
.hero h1 .hl::after{display:none}
.tagline{max-width:46ch;font-size:1.08rem;font:600 1.05rem/1.4 var(--f-display);color:var(--ink-2);margin-top:14px}
.search{position:relative;margin-top:26px;max-width:560px}
.search input{width:100%;height:60px;border-radius:999px;border:1.5px solid var(--line);background:var(--bg);padding:0 64px 0 54px;font:500 1.05rem var(--f-body);color:var(--ink);box-shadow:var(--shadow)}
.search input:focus{outline:none;border-color:var(--teal)}
.search .s-ic{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.search .s-go{background:var(--teal-ink);position:absolute;right:7px;top:7px;width:46px;height:46px;border-radius:999px;border:0;background:var(--teal);color:#fff;display:grid;place-items:center;cursor:pointer}
.suggest{position:absolute;left:0;right:0;top:66px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--shadow);padding:6px;z-index:20}
.suggest button{display:flex;width:100%;justify-content:space-between;gap:12px;align-items:center;border:0;background:none;text-align:left;padding:10px 12px;border-radius:10px;cursor:pointer}
.suggest button:hover,.suggest button.act{background:var(--surface)}
.suggest small{color:var(--ink-3);font-size:.78rem}
.popular{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px}
.popular span{font-size:.85rem;color:var(--ink-3);margin-right:4px}
.hero-art{position:relative}
.hero-art img{width:100%;height:auto;display:block;margin:0 auto;filter:drop-shadow(0 20px 30px rgba(13,19,42,.12))}
.bubble{position:absolute;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);font-size:.85rem;max-width:220px}
.bubble b{font-family:var(--f-display);display:block;font-size:.95rem}
.hero-art{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.b2{position:static;margin-left:4%;border-bottom-left-radius:4px}
@media (max-width:860px){.hero-grid{grid-template-columns:minmax(0,1fr)}.hero-art{max-width:460px;margin:0 auto}.b1{left:0}}

/* quick mix band */
.mix-band{background:var(--teal-wash);color:var(--ink);border:1px solid #CFE9E9;border-radius:var(--r-l);padding:28px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:center}
.mix-band p{color:var(--ink-2)}
@media (max-width:860px){.mix-band{grid-template-columns:minmax(0,1fr);padding:22px}}

/* calculator */
.calc{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-l);padding:22px;box-shadow:var(--shadow);color:var(--ink)}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.calc .row>*{min-width:0}
@media (max-width:560px){.calc .row{grid-template-columns:1fr}}
.field label{display:block;font:700 .95rem/1.3 var(--f-display);margin-bottom:2px}
.field .hint{font-size:.8rem;color:var(--ink-2);margin-bottom:8px;line-height:1.4;min-height:2.2em}
.inp{display:flex;border:1.5px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg)}
.inp:focus-within{border-color:var(--teal)}
.inp input{flex:1;min-width:0;border:0;background:none;padding:12px 14px;font:600 1.15rem var(--f-mono);color:var(--ink)}
.inp input:focus{outline:none}
.search input:focus-visible,.inp input:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.seg{display:flex;background:var(--surface);padding:4px;gap:2px}
.seg button{border:0;background:none;padding:6px 10px;border-radius:8px;font:600 .82rem var(--f-mono);cursor:pointer;color:var(--ink-2)}
.seg button.on{background:var(--bg);color:var(--teal-ink);box-shadow:0 1px 2px rgba(13,19,42,.12)}
.inp.bad{border-color:var(--bad)}
.vials{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.vials .lab{font-size:.8rem;color:var(--ink-3);margin-right:2px}
.vials .chip{padding:5px 10px;font-size:.8rem;font-variant-numeric:tabular-nums}
.filled a{display:inline-block;padding-block:5px}
.filled{font-size:.78rem;color:var(--ok);margin-top:6px;min-height:1.2em}
.water{margin-top:18px;background:var(--surface);border-radius:var(--r-m);padding:14px 16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.water .wl{flex:1;min-width:180px}
.water .wl b{font-family:var(--f-display);display:block}
.water .wl small{color:var(--ink-2);font-size:.8rem}
.stepper{display:flex;align-items:center;background:var(--bg);border:1.5px solid var(--line);border-radius:12px}
.stepper button{width:40px;height:44px;border:0;background:none;font-size:1.3rem;cursor:pointer;color:var(--ink)}
.stepper output{min-width:78px;text-align:center;font:700 1.15rem var(--f-mono)}
.auto-pill{font:600 .72rem var(--f-body);letter-spacing:.05em;text-transform:uppercase;padding:4px 8px;border-radius:999px;background:var(--teal-wash);color:var(--teal-ink)}
.auto-pill.manual{background:var(--orange-wash);color:var(--orange-ink)}
.linkbtn{border:0;background:none;color:var(--teal-ink);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px;font-size:.85rem;padding:0}
.result{margin-top:18px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.result>*{min-width:0}
.big{font:800 3.2rem/1 var(--f-display);color:var(--ink);letter-spacing:-.03em}
.big small{font-size:1.1rem;font-weight:700;color:var(--ink-2);letter-spacing:0;margin-left:4px}
.result .say{font-size:1rem}
.result .say b{color:var(--teal-ink)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.stat{background:var(--surface);border-radius:12px;padding:10px 12px}
.stat span{display:block;font-size:.72rem;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.stat b{font:700 1.05rem var(--f-mono)}
@media (max-width:480px){.stats{grid-template-columns:1fr 1fr}.result{grid-template-columns:1fr}}
.syr-wrap{margin-top:18px;overflow-x:auto;overscroll-behavior-x:contain}
.syr-wrap svg{display:block;width:100%;min-width:520px;height:auto}
.syr-tabs{display:flex;gap:6px;align-items:center;margin-top:12px;flex-wrap:wrap}
.syr-tabs .lab{font-size:.8rem;color:var(--ink-3)}
.msg{margin-top:14px;border-radius:12px;padding:12px 14px;font-size:.9rem;display:flex;gap:10px;align-items:flex-start}
.msg.warn{background:var(--orange-wash);color:var(--ink)}
.msg.warn b{color:var(--orange-ink)}
.msg.bad{background:var(--bad-wash);color:var(--ink)}
.msg.bad b{color:var(--bad)}
.msg.info{background:var(--surface);color:var(--ink-2)}
.calc-empty{margin-top:18px;border:1.5px dashed var(--line);border-radius:var(--r-m);padding:22px;text-align:center;color:var(--ink-2)}
.calc.compact .syr-tabs{display:none}

/* topics */
.topics{display:grid;gap:10px}
@media (max-width:860px){.topics{grid-template-columns:repeat(2,minmax(0,1fr))}.topic{padding:12px;gap:10px}.topic svg{width:30px;height:30px}}
.topic{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center;padding:18px 22px;border-radius:var(--r-m);background:var(--bg);border:1.5px solid var(--line);text-decoration:none;color:var(--ink);transition:border-color .2s,transform .25s cubic-bezier(.2,.8,.3,1);cursor:pointer;text-align:left;width:100%}
.topic:hover{border-color:var(--teal);transform:translateX(4px)}
.topic svg{flex:none;width:24px;height:24px;color:var(--teal-ink)}
.topic .ring{width:46px;height:46px;border-radius:50%;background:var(--mist);display:grid;place-items:center;flex:none}
.topic .n{color:var(--ink-3);font-size:.88rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.topic span{min-width:0}.topic.on{background:var(--teal-wash);outline:2px solid var(--teal)}
.topic-panel{margin-top:12px;border:1px solid var(--line);border-radius:var(--r-m);padding:16px 18px;display:grid;gap:10px}
.topic-panel h3{font-size:1rem}
.sq-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.sq{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;text-align:left;gap:4px;padding:18px;border:1.5px solid var(--line);border-radius:var(--r-m);background:var(--bg);text-decoration:none;color:var(--ink);cursor:pointer;transition:transform .25s cubic-bezier(.2,.8,.3,1),border-color .2s;max-width:100%}
.sq:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--teal);background:linear-gradient(160deg,var(--teal-wash),var(--bg))}
.sq .wm{position:absolute;right:-6px;top:-18px;font:800 5.2rem/1 var(--f-display);letter-spacing:-.06em;color:var(--teal);opacity:.1;pointer-events:none}
.sq:hover .wm{opacity:.18}
.sq b{font-family:var(--f-display);font-size:1.05rem;line-height:1.15;text-wrap:balance}
.sq small{color:var(--ink-3);font-size:.75rem}
.pc{aspect-ratio:auto;min-height:170px;gap:4px}
.pc .tag{position:relative;z-index:1;margin-bottom:auto}
.pc .line{font:500 .8rem var(--f-mono);color:var(--teal-ink)}
.pc .q{font-size:.85rem;color:var(--ink-2)}
.topic b{font-family:var(--f-display);display:block;line-height:1.25}
.topic small{color:var(--ink-2);font-size:.92rem;line-height:1.45;display:block;margin-top:2px}

/* compounds */
.cmp-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:960px){.cmp-row{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.cmp-row{grid-template-columns:1fr}}
.cmp{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:var(--bg);display:flex;flex-direction:column;text-decoration:none;color:var(--ink);cursor:pointer;transition:transform .15s,box-shadow .15s}
.cmp:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.cmp .ph{aspect-ratio:3/2;background:var(--white-tile);display:grid;place-items:center;overflow:hidden;max-width:100%}
.cmp .ph img{width:100%;height:100%;object-fit:cover}
.cmp .ph .mono-tile{font:800 2rem var(--f-display);color:var(--navy);letter-spacing:-.03em}
.cmp .bd{padding:14px 16px 16px;display:grid;gap:6px}
.cmp .bd small{color:var(--ink-3);font-size:.8rem}
.cmp .q{font-size:.85rem;color:var(--ink-2)}
.cmp .q b{color:var(--ink)}

/* guides */
.guides{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:14px}
.guides>*{min-width:0}
@media (max-width:960px){.guides{grid-template-columns:1fr 1fr}.guide.feature{grid-column:1/-1}}
@media (max-width:560px){.guides{grid-template-columns:1fr}}
.guide{border-radius:var(--r-m);background:var(--surface);padding:18px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink);cursor:pointer;transition:transform .15s}
.guide:hover{transform:translateY(-3px)}
.guide img{width:100%;aspect-ratio:4/3;object-fit:contain;max-width:100%}
.guide.feature{background:var(--teal-wash)}
.guide.feature .steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.guide.feature .steps4 img{aspect-ratio:1;background:var(--bg);border-radius:12px}
.guide p{font-size:.9rem;color:var(--ink-2)}

/* research cards */
.res-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:860px){.res-row{grid-template-columns:1fr}}
.res{border:1px solid var(--line);border-radius:var(--r-m);padding:18px;display:grid;gap:10px;background:var(--bg);text-decoration:none;color:var(--ink);cursor:pointer;transition:transform .15s,box-shadow .15s;align-content:start}
.res:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.res .num{font:800 2.2rem/1 var(--f-display);color:var(--teal-ink);letter-spacing:-.03em}
.res p{font-size:.9rem;color:var(--ink-2)}
.res .src{font-size:.78rem;color:var(--ink-3)}

/* supplier strip */
.supplier{display:grid;grid-template-columns:180px 1fr auto;gap:28px;align-items:center;border:0;border-radius:var(--r-l);padding:clamp(22px,4vw,34px);background:var(--mist)}
.supplier>*{min-width:0}
.supplier img{width:100%;border-radius:18px;background:var(--white-tile);max-width:100%}
.supplier ul{margin:10px 0 0;padding:0;list-style:none;display:flex;gap:16px;flex-wrap:wrap;font-size:.88rem;color:var(--ink-2)}
.supplier li::before{content:"✓ ";color:var(--ok);font-weight:700}
@media (max-width:760px){.supplier{grid-template-columns:1fr}.supplier img{max-width:240px}}

footer{background:var(--surface);margin-top:40px}
.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:24px;padding-block:44px 20px}
.foot h2{font-size:.9rem;margin-bottom:10px;font-weight:700;line-height:1.3}
.foot a{display:block;color:var(--ink-2);text-decoration:none;font-size:.9rem;padding:3px 0}
.foot a:hover{color:var(--teal-ink)}
.fine{border-top:1px solid var(--line);padding-block:16px 28px;font-size:.8rem;color:var(--ink-3);display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap}
@media (max-width:760px){.foot{grid-template-columns:1fr 1fr}}

/* COMPOUND page */
.crumbs{font-size:.85rem;color:var(--ink-3);padding-block:18px 0}
.cta-inline{display:inline-block;padding-block:3px}
.skip{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;left:0;top:0;z-index:100;background:var(--navy);color:#fff;border-radius:0 0 8px 0}
.skip:focus{width:auto;height:auto;clip-path:none;padding:10px 16px}
.crumbs a{color:var(--ink-2);text-decoration:none;display:inline-block;padding-block:4px}
.cover{margin-top:14px;border-radius:var(--r-l);overflow:hidden;background:#F3F5F8;border:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;max-width:100%}
.cover img{width:100%;height:100%;max-height:420px;object-fit:cover;object-position:center;display:block}
.cover .cv-txt{padding:clamp(22px,4vw,48px);display:flex;flex-direction:column;gap:12px;color:var(--ink)}
.cover .cv-txt p{color:var(--ink-2);max-width:44ch}
.cover .aka{display:flex;gap:6px;flex-wrap:wrap}
.cover .aka span{font:600 .75rem var(--f-mono);background:var(--bg);border:1px solid var(--line);color:var(--teal-ink);border-radius:6px;padding:4px 8px}
@media (max-width:760px){.cover{grid-template-columns:minmax(0,1fr)}.cover img{max-height:260px;order:-1}}
.cover-plain{background:linear-gradient(160deg,var(--teal-wash),var(--surface));aspect-ratio:auto;min-height:260px}
.cover-plain .cv-art{position:relative;overflow:hidden;min-height:200px}
.cover-plain .cv-art .wm{position:absolute;right:-4%;top:50%;transform:translateY(-50%);font:800 clamp(7rem,20vw,15rem)/1 var(--f-display);letter-spacing:-.06em;color:var(--teal);opacity:.14;white-space:nowrap}
@media (max-width:760px){.cover-plain .cv-art{min-height:90px;order:1}.cover-plain .cv-art .wm{font-size:5rem;top:40%}.cover-plain .cv-txt{background:transparent}}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
@media (max-width:860px){.facts{grid-template-columns:repeat(2,1fr)}}
.fact{background:var(--surface);border-radius:var(--r-m);padding:14px}
.fact span{display:block;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.fact b{font:700 1.1rem/1.3 var(--f-display);display:block;margin-top:4px;font-variant-numeric:tabular-nums}
.fact small{color:var(--ink-2);font-size:.8rem}
.sizes{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}.sizes .chip{padding:5px 10px;font-size:.82rem}
.fact.key{background:var(--navy);color:#fff}
.fact.key span{color:#7FE0E0}.fact.key b{color:#fff}.fact.key small{color:#C3CAE0}
.page{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;margin-top:36px}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 88px);align-self:start;display:grid;gap:2px}
.toc b{font:700 .75rem var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.toc a{padding:7px 12px;border-left:2px solid var(--line);color:var(--ink-2);text-decoration:none;font-size:.9rem}
.toc a.cur,.toc a:hover{border-color:var(--teal);color:var(--teal-ink);background:var(--teal-wash);border-radius:0 8px 8px 0}
@media (max-width:900px){.page{grid-template-columns:minmax(0,1fr)}.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 68px);z-index:30;background:var(--bg);display:flex;overflow-x:auto;gap:6px;padding-block:10px;border-bottom:1px solid var(--line)}.toc b{display:none}.toc a{border:1px solid var(--line);border-radius:999px;white-space:nowrap}.toc a.cur,.toc a:hover{border-radius:999px}}
.art{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
.card{border:1.5px solid var(--line);border-radius:var(--r-l);padding:clamp(20px,3.4vw,32px);background:var(--bg);scroll-margin-top:var(--jump,96px)}
.card>h2{margin-bottom:12px}
.card p+p{margin-top:12px}
.card .lead{font-size:1.08rem;max-width:62ch}
.recv{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.recv>*{min-width:0}
@media (max-width:760px){.recv{grid-template-columns:1fr 1fr}}
.rstep{background:var(--surface);border-radius:var(--r-m);padding:12px;display:grid;gap:6px}
.rstep img{width:100%;aspect-ratio:1;object-fit:contain;max-width:100%}
.rstep .n{font:700 .75rem var(--f-mono);color:var(--orange-ink)}
.rstep b{font-family:var(--f-display);line-height:1.25}
.rstep small{color:var(--ink-2);font-size:.82rem;line-height:1.4}
.ptabs{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 10px}
.srcbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:.8rem;color:var(--ink-3);margin:6px 0 14px}
.srcbar a{font-weight:600;display:inline-block;padding-block:2px}
.tbl-wrap{overflow-x:auto}
table.dose{width:100%;border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums}
table.dose th{font:600 .72rem var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
table.dose td{padding:12px;border-bottom:1px solid var(--line)}
table.dose tr.pick{cursor:pointer}
@media (max-width:640px){
  table.dose thead{display:none}
  table.dose,table.dose tbody,table.dose tr,table.dose td{display:block;width:auto}
  table.dose tr{border:1px solid var(--line);border-radius:var(--r-s);padding:13px 15px;margin-bottom:10px;background:var(--bg)}
  table.dose tr.pick:hover td,table.dose tr.sel td{background:none}
  table.dose tr.sel{background:var(--teal-wash);border-color:var(--teal-ink)}
  table.dose td{border:0;padding:0}
  table.dose td:nth-child(1),table.dose td:nth-child(2){display:inline;font-size:.82rem;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase}
  table.dose td:nth-child(1)::before{content:"Step "}
  table.dose td:nth-child(2)::before{content:"\00a0\00b7\00a0"}
  table.dose td:nth-child(3){margin-top:9px;font-size:1.1rem}
  table.dose td:nth-child(3) small{display:block;margin-top:5px;font-size:.84rem;line-height:1.5}
  table.dose td:nth-child(4){margin-top:8px}
  table.dose td:nth-child(4)::before{content:"Draw to ";font-size:.82rem;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase}
  table.dose td:nth-child(4) .unitbar{display:none}
}
table.dose tr.pick:hover td{background:var(--surface)}
table.dose tr.sel td{background:var(--teal-wash)}
table.dose .u{font:700 1rem var(--f-mono);color:var(--teal-ink)}
.unitbar{display:inline-block;height:8px;border-radius:4px;background:var(--teal);vertical-align:middle;margin-left:8px}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
.twocol>*{min-width:0}
@media (max-width:760px){.twocol{grid-template-columns:1fr}}
.boxed{background:var(--surface);border-radius:var(--r-m);padding:16px}
.boxed h3{margin-bottom:8px}
.chart{margin-top:14px}
.chart svg{width:100%;height:auto;display:block}
.supplies-top{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0 16px}
.sup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.sup-grid>*{min-width:0}
@media (max-width:860px){.sup-grid{grid-template-columns:1fr 1fr}}
.sup{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;display:flex;flex-direction:column}
.sup .im{background:var(--white-tile);aspect-ratio:1;display:grid;place-items:center;max-width:100%}
.sup .im img{width:100%;height:100%;object-fit:contain}
.sup .bd{padding:12px;display:grid;gap:4px;flex:1}
.sup .qty{font:700 1.4rem var(--f-mono);color:var(--ink)}
.sup .who{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--ink-3)}
.sup .who.ps{color:var(--teal-ink)}
.sup a.go{margin-top:auto;padding-top:8px;font-weight:600;font-size:.88rem}
.sup.featured{border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-wash)}
.sup .im .wm-sm{display:none}
.disclose{font-size:.8rem;color:var(--ink-3);margin-top:12px}
details.faq{border-bottom:1px solid var(--line)}
details.faq summary{padding-block:14px;cursor:pointer;font:700 1rem var(--f-display);list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::after{content:"+";font-size:1.3rem;color:var(--teal-ink);line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq p{margin-top:8px;color:var(--ink-2);max-width:64ch}
.related{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.verify{display:inline-flex;align-items:center;gap:6px;font:600 .72rem var(--f-body);padding:4px 8px;border-radius:6px;background:var(--orange-wash);color:var(--orange-ink)}

/* GUIDE page */
.g-steps{display:grid;gap:16px;margin-top:20px}
.g-step{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;border:1px solid var(--line);border-radius:var(--r-l);padding:18px}
.g-step>*{min-width:0}
.g-step img{width:100%;aspect-ratio:1;object-fit:contain;background:var(--surface);border-radius:var(--r-m);max-width:100%}
.g-step .n{font:700 .8rem var(--f-mono);color:var(--orange-ink)}
.g-step ul{margin:8px 0 0;padding-left:18px;color:var(--ink-2)}
@media (max-width:640px){.g-step{grid-template-columns:1fr}.g-step img{max-width:220px}}

/* mockup navigator */
body{padding-bottom:0}
.mocknav{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:70;background:var(--navy);color:#fff;border-radius:999px;padding:6px;display:flex;gap:4px;box-shadow:0 10px 30px rgba(13,19,42,.35);max-width:calc(100vw - 24px);overflow-x:auto}
.mocknav span{font:600 .7rem var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:#7FE0E0;padding:8px 10px 8px 12px;white-space:nowrap;align-self:center}
.mocknav a{color:#fff;text-decoration:none;padding:8px 14px;border-radius:999px;font-size:.85rem;font-weight:500;white-space:nowrap}
.mocknav a.cur{background:#18A3A3}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:.88rem;z-index:80;max-width:calc(100vw - 32px)}
.spacer-b{height:70px}