/* Only Cells site look (25 Oct 2026 uplift): the header, menus, display settings, background and footer
   on every page. Everything is scoped to .ocx- classes so the tools, the Library and the Morphology Monthly
   cases inside the page are not touched. Header and footer are always navy; menus follow light/dark. */
@font-face{font-family:"Manrope";font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/Manrope.woff2) format("woff2")}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:200 800;font-display:swap;src:url(/assets/fonts/PlusJakartaSans.woff2) format("woff2")}
:root{
  --ocx-navy:#001a4e; --ocx-navy-2:#000d2b; --ocx-cyan:#22d3ee; --ocx-on:#ffffff; --ocx-on-muted:#cdd7ea;
  --ocx-surface:#ffffff; --ocx-surface-2:#eef2f8; --ocx-ink:#001a4e; --ocx-text:#24304a; --ocx-muted:#4f5b75; --ocx-line:#d9e0ec; --ocx-accent:#0b6b85;
  --ocx-font:"Manrope",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif; --ocx-display:"Plus Jakarta Sans","Manrope",ui-sans-serif,system-ui,sans-serif;
  scroll-padding-top:84px;
}
:root[data-theme="dark"]{
  --ocx-surface:#0f1730; --ocx-surface-2:#141e3b; --ocx-ink:#f1f5ff; --ocx-text:#d3dbec; --ocx-muted:#a3afc8; --ocx-line:#26314f; --ocx-accent:#67e8f9;
}
/* the page colours the old header used to set (body classes are fixed in the static pages) */
:root[data-theme="dark"] body.ocx-body{background-color:#484848;color:#f5f5f5}
[hidden].ocx-h,.ocx-top [hidden],.ocx-foot [hidden]{display:none!important}
.ocx-top{display:contents}
.ocx-top,.ocx-top *,.ocx-foot,.ocx-foot *{box-sizing:border-box}
.ocx-head,.ocx-sheet,.ocx-foot,.ocx-skip{font-family:var(--ocx-font);-webkit-font-smoothing:antialiased;line-height:1.5;letter-spacing:0}
.ocx-head svg,.ocx-sheet svg,.ocx-foot svg{display:block;flex:none}
.ocx-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;padding:0;margin:-1px}
.ocx-skip{position:fixed;left:12px;top:-80px;z-index:200;background:#fff;color:var(--ocx-navy);padding:10px 16px;border-radius:10px;font-weight:800;font-size:16px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.ocx-skip:focus{top:12px;outline:3px solid var(--ocx-cyan);outline-offset:2px}
#ocxMain{display:block;height:0;outline:none}

/* background: wavy contours and floating lab gear (both themes) */
.ocx-bg{pointer-events:none;position:fixed;inset:0;z-index:0;overflow:hidden}
.ocx-bg svg,.ocx-bg canvas{position:absolute;inset:0;width:100%;height:100%;user-select:none}
#ocxWaves{color:#001a4e}
:root[data-theme="dark"] #ocxWaves{color:#fff}
html.ocx-nowaves #ocxWaves,html.ocx-nofloat #ocxFloat{display:none}

/* header */
.ocx-head{position:sticky;top:0;z-index:110;width:100%;background:rgba(0,26,78,.96);color:#fff;border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 6px 18px -12px rgba(0,0,0,.5)}
@supports (backdrop-filter:blur(1px)){.ocx-head{background:rgba(0,26,78,.9);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px)}}
:root[data-theme="dark"] .ocx-head{background:rgba(2,8,33,.94)}
.ocx-wrap{position:relative;max-width:1280px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:640px){.ocx-wrap{padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}}
.ocx-bar{display:flex;align-items:center;gap:16px;height:68px}
.ocx-head a,.ocx-sheet a,.ocx-foot a{color:inherit}
.ocx-head :focus-visible,.ocx-sheet :focus-visible,.ocx-foot :focus-visible{outline:3px solid var(--ocx-cyan);outline-offset:2px;border-radius:8px}
.ocx-pop :focus-visible{outline-color:var(--ocx-accent)}
.ocx-logo{display:flex;align-items:center;flex:none;border-radius:8px}
.ocx-logo img{display:block;height:38px;width:auto}
.ocx-nav{display:flex;gap:2px;margin-left:6px}
.ocx-nav a{position:relative;text-decoration:none;color:#dbe4f5;font-weight:700;font-size:15px;padding:10px 12px;border-radius:10px;white-space:nowrap}
.ocx-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.ocx-nav a[aria-current="page"]{color:#fff}
.ocx-nav a[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;border-radius:3px;background:var(--ocx-cyan)}
.ocx-act{margin-left:auto;display:flex;align-items:center;gap:8px}
.ocx-ib{position:relative;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;cursor:pointer;padding:0;font:inherit;text-decoration:none}
.ocx-ib:hover,.ocx-ib[aria-expanded="true"]{background:rgba(255,255,255,.16)}
.ocx-ib svg{width:20px;height:20px}
.ocx-badge{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--ocx-cyan);color:var(--ocx-navy);font:800 12px/20px var(--ocx-font);text-align:center;box-shadow:0 0 0 2px var(--ocx-navy)}
.ocx-theme .ocx-sun{display:none} :root[data-theme="dark"] .ocx-theme .ocx-sun{display:block} :root[data-theme="dark"] .ocx-theme .ocx-moon{display:none}
.ocx-signin{display:inline-flex;align-items:center;height:44px;padding:0 18px;border-radius:999px;background:#fff;color:var(--ocx-navy)!important;font-weight:800;text-decoration:none;font-size:15px;white-space:nowrap}
.ocx-signin:hover{background:#e6fbff}
.ocx-me{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 12px 0 4px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#fff;font:inherit;font-weight:700;font-size:15px;cursor:pointer;max-width:240px}
.ocx-me:hover,.ocx-me[aria-expanded="true"]{background:rgba(255,255,255,.18)}
.ocx-av{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--ocx-navy);background:linear-gradient(135deg,#67e8f9,#a5b4fc);flex:none;font-family:var(--ocx-display)}
.ocx-av svg{width:20px;height:20px}
.ocx-hi{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ocx-me>svg{width:16px;height:16px}
.ocx-burger{display:none}
@media (max-width:1023px){.ocx-nav{display:none}.ocx-burger{display:grid}.ocx-act .ocx-wide{display:none}}
@media (max-width:640px){.ocx-hi{display:none}.ocx-me{padding:0 4px;gap:0}.ocx-me>svg{display:none}.ocx-signin{padding:0 14px}.ocx-bar{gap:10px}.ocx-act{gap:6px}.ocx-logo img{height:34px}}
@media (max-width:359px){.ocx-logo img{height:28px}}

/* pop-up panels: search, display settings, account */
.ocx-pop{position:absolute;right:max(16px,env(safe-area-inset-right,0px));top:64px;width:320px;max-width:calc(100vw - 24px);background:var(--ocx-surface);color:var(--ocx-text);border:1px solid var(--ocx-line);border-radius:18px;box-shadow:0 30px 60px -20px rgba(0,0,0,.45);padding:10px;z-index:120}
.ocx-pop h2{font-family:var(--ocx-display);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ocx-accent);margin:6px 10px 6px}
.ocx-pop-hello{padding:10px 12px 12px;border-bottom:1px solid var(--ocx-line);margin-bottom:6px}
.ocx-pop-hello b{display:block;font-family:var(--ocx-display);font-size:19px;font-weight:800;color:var(--ocx-ink);line-height:1.25}
.ocx-pop-hello span{font-size:14px;color:var(--ocx-muted)}
.ocx-pop ul{list-style:none;margin:0;padding:0}
.ocx-pop li a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:10px;text-decoration:none;font-weight:600;font-size:15px;color:var(--ocx-ink)}
.ocx-pop li a:hover{background:var(--ocx-surface-2)}
.ocx-pop hr{border:0;border-top:1px solid var(--ocx-line);margin:6px 0}
.ocx-find{display:flex;gap:8px;padding:4px}
.ocx-find input{flex:1;min-width:0;height:46px;border-radius:999px;border:1px solid var(--ocx-line);background:var(--ocx-surface);color:var(--ocx-ink);padding:0 16px;font:inherit;font-size:16px}
.ocx-find input::placeholder{color:var(--ocx-muted);opacity:1}
.ocx-find button{height:46px;border:0;border-radius:999px;background:var(--ocx-navy);color:#fff;font:inherit;font-weight:800;padding:0 18px;cursor:pointer}
:root[data-theme="dark"] .ocx-find button{background:var(--ocx-cyan);color:var(--ocx-navy)}
.ocx-pop .ocx-note{font-size:13px;color:var(--ocx-muted);margin:6px 10px 4px}

/* display settings rows (in the pop-up and in the phone menu) */
.ocx-set{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:6px 10px;border-top:1px solid var(--ocx-line);font-size:15px}
.ocx-set:first-of-type{border-top:0}
.ocx-set b{display:block;font-weight:700;color:var(--ocx-ink)}
.ocx-set small{display:block;font-size:13px;color:var(--ocx-muted);line-height:1.35}
.ocx-sw{position:relative;flex:none;width:52px;height:30px;border-radius:999px;border:2px solid var(--ocx-muted);background:transparent;cursor:pointer;padding:0}
.ocx-sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--ocx-muted);transition:transform .15s}
.ocx-sw[aria-checked="true"]{background:var(--ocx-accent);border-color:var(--ocx-accent)}
.ocx-sw[aria-checked="true"]::after{transform:translateX(22px);background:#fff}
:root[data-theme="dark"] .ocx-sw[aria-checked="true"]::after{background:var(--ocx-navy)}
.ocx-size{display:flex;align-items:center;gap:6px}
.ocx-size button{width:44px;height:44px;border-radius:12px;border:1px solid var(--ocx-line);background:var(--ocx-surface-2);color:var(--ocx-ink);font:inherit;font-weight:800;cursor:pointer}
.ocx-size button:disabled{opacity:.45;cursor:default}
.ocx-size output{min-width:48px;text-align:center;font-weight:700;color:var(--ocx-ink);font-variant-numeric:tabular-nums}

/* phone menu */
.ocx-sheet{position:fixed;inset:0;z-index:130;background:rgba(0,8,30,.6);display:flex;justify-content:flex-end}
.ocx-sheet-in{width:min(420px,100%);height:100%;background:linear-gradient(180deg,#001a4e,#000d2b);color:#fff;padding:14px max(16px,env(safe-area-inset-right,0px)) 24px 16px;display:flex;flex-direction:column;gap:14px;overflow:auto;overscroll-behavior:contain}
.ocx-sheet-top{display:flex;justify-content:space-between;align-items:center}
.ocx-sheet-top img{height:34px;width:auto}
.ocx-sheet-hello{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:12px 14px;display:flex;gap:12px;align-items:center}
.ocx-sheet-hello .ocx-av{width:44px;height:44px;font-size:18px}
.ocx-sheet-hello b{display:block;font-family:var(--ocx-display);font-size:18px;font-weight:800;line-height:1.25}
.ocx-sheet-hello div span{font-size:14px;color:var(--ocx-on-muted)}
.ocx-sheet .ocx-find{padding:0;background:#fff;border-radius:999px;padding:4px}
.ocx-sheet .ocx-find input{border:0;height:42px;background:transparent;color:var(--ocx-navy)}
.ocx-sheet .ocx-find input::placeholder{color:#4f5b75}
.ocx-sheet .ocx-find button{height:42px;background:var(--ocx-navy);color:#fff}
.ocx-sheet nav ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.ocx-sheet nav a{display:flex;gap:14px;align-items:center;padding:10px;border-radius:14px;text-decoration:none}
.ocx-sheet nav a:hover,.ocx-sheet nav a[aria-current="page"]{background:rgba(255,255,255,.09)}
.ocx-sheet nav i{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.2);flex:none;font-style:normal}
.ocx-sheet nav i svg{width:22px;height:22px}
.ocx-sheet nav b{display:block;font-size:17px;font-weight:700;line-height:1.3}
.ocx-sheet nav span{display:block;font-size:14px;color:var(--ocx-on-muted);line-height:1.35}
.ocx-sheet details{border:1px solid rgba(255,255,255,.16);border-radius:16px;background:rgba(255,255,255,.04)}
.ocx-sheet summary{cursor:pointer;min-height:48px;display:flex;align-items:center;padding:0 14px;font-weight:700;font-size:16px;list-style:none}
.ocx-sheet summary::-webkit-details-marker{display:none}
.ocx-sheet summary::after{content:"+";margin-left:auto;font-size:22px;font-weight:400}
.ocx-sheet details[open] summary::after{content:"−"}
.ocx-sheet .ocx-sets{--ocx-ink:#fff;--ocx-muted:#cdd7ea;--ocx-line:rgba(255,255,255,.14);--ocx-accent:#22d3ee;--ocx-surface-2:rgba(255,255,255,.08);padding:0 4px 6px}
.ocx-sheet .ocx-sw[aria-checked="true"]::after{background:var(--ocx-navy)}
.ocx-sheet-foot{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap}
.ocx-sheet-foot a{flex:1;display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:999px;padding:0 16px;font-weight:800;text-decoration:none;border:1px solid rgba(255,255,255,.3);color:#fff}
.ocx-sheet-foot a.ocx-solid{background:#fff;color:var(--ocx-navy)!important;border-color:#fff}

/* slim title band above each tool: breadcrumb, icon and lab area */
.ocx-band{position:relative;z-index:10;background:rgba(255,255,255,.92);border-bottom:1px solid var(--ocx-line);font-family:var(--ocx-font);color:var(--ocx-text)}
:root[data-theme="dark"] .ocx-band{background:rgba(15,23,48,.94)}
.ocx-band-in{display:flex;align-items:center;gap:12px;min-height:56px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.ocx-a-h{--ocx-c:#7c3aed}.ocx-a-t{--ocx-c:#dc2626}.ocx-a-m{--ocx-c:#0d9488}.ocx-a-b{--ocx-c:#2563eb}
:root[data-theme="dark"] .ocx-a-h{--ocx-c:#a78bfa}:root[data-theme="dark"] .ocx-a-t{--ocx-c:#f87171}:root[data-theme="dark"] .ocx-a-m{--ocx-c:#2dd4bf}:root[data-theme="dark"] .ocx-a-b{--ocx-c:#60a5fa}
.ocx-band-ic{flex:none;width:38px;height:38px;border:2px solid var(--ocx-c);border-radius:10px;display:grid;place-items:center;color:var(--ocx-ink)}
.ocx-band-ic svg{display:block;width:22px;height:22px}
.ocx-crumbs{min-width:0;flex:1 1 260px}
.ocx-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:2px 0;font-size:15px}
.ocx-crumbs li{display:flex;align-items:center;min-width:0}
.ocx-crumbs li+li::before{content:"/";margin:0 10px;color:var(--ocx-muted)}
.ocx-crumbs a{color:var(--ocx-muted);text-decoration:none;font-weight:600;min-height:32px;display:inline-flex;align-items:center}
.ocx-crumbs a:hover{color:var(--ocx-ink);text-decoration:underline}
.ocx-crumbs a:focus-visible{outline:3px solid var(--ocx-accent);outline-offset:2px;border-radius:6px}
.ocx-crumbs [aria-current]{color:var(--ocx-ink);font-weight:800}
.ocx-band-area{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ocx-muted);white-space:nowrap}
.ocx-band-dot{width:10px;height:10px;border-radius:50%;background:var(--ocx-c)}
@media (max-width:640px){.ocx-band-area{display:none}.ocx-crumbs ol{font-size:14px}}

/* footer */
.ocx-foot{position:relative;z-index:10;margin-top:64px;background:var(--ocx-navy);color:var(--ocx-on-muted);font-size:15px}
:root[data-theme="dark"] .ocx-foot{background:#020821;border-top:1px solid #26314f}
.ocx-fgrid{padding-top:44px;padding-bottom:24px;display:grid;grid-template-columns:minmax(0,1.6fr) repeat(4,minmax(0,1fr));gap:28px}
.ocx-foot img{display:block;height:38px;width:auto;margin-bottom:12px}
.ocx-foot p{margin:0;max-width:34ch;line-height:1.55}
.ocx-foot h2{font-family:var(--ocx-display);color:#fff;font-size:15px;font-weight:800;letter-spacing:0;margin:0 0 10px;line-height:1.3}
.ocx-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.ocx-foot li a{display:inline-flex;align-items:center;min-height:32px;color:#e7edf9;text-decoration:none}
.ocx-foot a:hover{text-decoration:underline;color:#fff}
.ocx-legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;display:flex;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;font-size:14px}
.ocx-legal>span:last-child{display:flex;gap:8px 20px;flex-wrap:wrap}
.ocx-legal a{color:#e7edf9;min-height:32px;display:inline-flex;align-items:center}
@media (max-width:900px){.ocx-fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.ocx-fbrand{grid-column:1/-1}}
@media (max-width:380px){.ocx-fgrid{grid-template-columns:minmax(0,1fr)}}

@media (prefers-reduced-motion:reduce){.ocx-top *,.ocx-foot *{transition:none!important;animation:none!important}}
@media print{.ocx-top,.ocx-foot{display:none!important}}
@media (forced-colors:active){.ocx-sw[aria-checked="true"]::after{background:CanvasText}.ocx-sw::after{background:CanvasText}.ocx-badge{border:1px solid CanvasText}}