:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#162640;background:#f5f8fc}*{box-sizing:border-box}body{margin:0}.site-header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:20px max(24px,calc((100vw - 1100px)/2));border-bottom:1px solid #e7edf3}.brand{display:flex;gap:12px;align-items:center}.brand-icon{display:grid;place-items:center;background:#dcf8f3;color:#008d7e;width:44px;height:44px;border-radius:14px;font-size:24px}.brand strong{font-size:21px;letter-spacing:-.7px}.brand strong span{color:#009c8a}.brand small{display:block;color:#70829a;font-size:11px;letter-spacing:.2px;margin-top:3px}.header-link,a{color:#067c77;text-decoration:none}.header-link{font-weight:650;font-size:13px}main{max-width:1050px;margin:auto;padding:0 24px}.hero{text-align:center;padding:68px 0 38px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:800;color:#15978d}.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.13;letter-spacing:-2px;margin:14px 0}.hero h1 span{color:#058e86}.hero p{color:#61748e;font-size:17px;max-width:690px;margin:0 auto;line-height:1.6}.search-panel{max-width:860px;margin:auto;background:#fff;border:1px solid #e0eaf0;border-radius:20px;box-shadow:0 16px 50px #10254511;padding:30px}.mode-switch{display:flex;background:#eff4f7;padding:5px;border-radius:12px;gap:4px;margin-bottom:26px}.mode{flex:1;border:0;background:transparent;padding:14px 8px;border-radius:9px;font-size:14px;color:#586c83;cursor:pointer;font-weight:700}.mode.active{background:#fff;color:#096f70;box-shadow:0 2px 10px #17334216}.search-panel label{display:block;font-size:13px;font-weight:750;margin-bottom:10px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid #cbdbe7;border-radius:10px;padding:16px;font:inherit;font-size:16px;outline-offset:2px}.search-row button{border:0;border-radius:10px;background:#087e78;color:white;font:inherit;font-weight:750;padding:0 28px;cursor:pointer}.search-row button:disabled{opacity:.5;cursor:wait}.hint{color:#7b8ba0;font-size:13px}.example{border:0;background:none;color:#087c79;padding:2px;cursor:pointer;text-decoration:underline}.privacy{border-top:1px solid #e9eff4;margin-top:24px;padding-top:18px;font-size:12px;color:#71839a;line-height:1.5}.results{max-width:860px;margin:38px auto}.results-header{display:flex;justify-content:space-between;align-items:center;gap:10px}.results-header h2{margin:8px 0 0;font-size:25px;letter-spacing:-.5px}.source-pill{border:1px solid #bddfd8;background:#e8f7f3;color:#08786b;border-radius:30px;font-size:11px;font-weight:800;padding:7px 11px;white-space:nowrap}#status{color:#75859a;font-size:14px}.result-list{display:grid;gap:12px;margin-top:20px}.result{background:#fff;border:1px solid #e4eaf1;border-radius:14px;padding:20px;display:flex;justify-content:space-between;gap:20px}.result-title{font-size:16px;font-weight:760;margin:0 0 8px}.description{font-size:13px;color:#63748a;line-height:1.6;margin:0}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:800;color:#116b6c;background:#e8f8f3;padding:8px 11px;border-radius:8px;display:inline-block;white-space:nowrap}.mini-label{font-size:11px;font-weight:750;color:#8998aa;margin-bottom:7px}.result button{background:white;border:1px solid #c9dadf;border-radius:7px;padding:7px 11px;margin-top:8px;cursor:pointer;color:#186766}.code-side{min-width:95px;text-align:right}.info-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px;font-size:12px;color:#74859b}.info-grid span{background:#f3f6fa;border-radius:6px;padding:5px 8px}.source-info{font-size:12px;color:#657a91;margin-top:16px;line-height:1.6}.source-info a{font-weight:700}.about{padding:40px 0 70px}.about h2{text-align:center;margin-bottom:24px}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.feature-grid article{border:1px solid #e2eaf1;background:#fff;border-radius:14px;padding:24px}.feature-icon{font-size:24px}.feature-grid h3{margin:10px 0}.feature-grid p{font-size:14px;color:#657890;line-height:1.6}.disclaimer{margin-top:22px;padding:20px;border-radius:12px;background:#eaf0f6;color:#566c84;font-size:12px;line-height:1.7}footer{text-align:center;border-top:1px solid #e3eaf2;padding:25px;font-size:12px;color:#758399}@media(max-width:620px){.site-header{padding:14px 18px}.header-link{font-size:12px}.brand strong{font-size:17px}.brand small{font-size:9px}.hero{padding:45px 0 28px}.hero h1{letter-spacing:-1px}.hero p{font-size:14px}.search-panel{padding:18px}.search-row button{padding:0 15px}.mode{font-size:12px}.result{flex-direction:column;gap:12px}.code-side{text-align:left}.feature-grid{grid-template-columns:1fr}.results-header h2{font-size:22px}}
.localization{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:18px}.localization label{margin-bottom:7px}.localization select{width:100%;border:1px solid #cadbe5;background:#fff;border-radius:10px;padding:11px;font:inherit;color:#172a3e}.country-notice{padding:12px 15px;border-radius:10px;margin-bottom:18px;font-size:13px;line-height:1.5}.country-notice.live{background:#e6f8ef;color:#17633c}.country-notice.pending{background:#fff5df;color:#704d00}.search-row input:disabled{background:#f1f4f7;color:#738298}.hint[hidden]{display:none}@media(max-width:620px){.localization{grid-template-columns:1fr}.localization select{font-size:16px}}
/* Authentication: fail-closed gate, only opens on verified Firebase client session. */
[hidden]{display:none!important}.header-actions{display:flex;gap:14px;align-items:center}.account-email{max-width:180px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;font-size:12px;color:#55697f}.signout{border:0;background:none;cursor:pointer}.auth-gate{max-width:480px;margin:48px auto;padding:0 18px}.auth-card{background:#fff;border:1px solid #dfe9f0;border-radius:20px;padding:32px;box-shadow:0 18px 50px #10254518}.auth-card h1{font-size:25px;margin:20px 0 9px}.auth-card p{font-size:14px;color:#62748c;line-height:1.6}.auth-message{padding:12px;background:#eef5fb;color:#34526c;border-radius:9px;font-size:13px;margin:18px 0}.auth-card label{display:block;font-weight:650;font-size:13px;margin:14px 0 6px}.auth-card input:not([type="checkbox"]){width:100%;padding:13px;border:1px solid #bacbd9;border-radius:10px;font:inherit}.auth-primary,.auth-secondary{width:100%;padding:13px 10px;border-radius:9px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;margin-top:11px}.auth-primary{border:0;background:#07847b;color:white}.auth-secondary{border:1px solid #cbd9e4;background:white;color:#173a50}.auth-secondary:disabled{opacity:.55;cursor:not-allowed}.auth-link{border:0;background:none;color:#087c79;cursor:pointer;padding:10px 0}.auth-divider{text-align:center;color:#8594a6;font-size:12px;margin:14px 0 0}.auth-note{font-size:11px!important}.auth-card .brand-icon{width:48px;height:48px}@media(max-width:620px){.header-actions{gap:7px}.account-email{max-width:80px}.auth-card{padding:24px}}

/* Account and admin controls */
.verification-panel{border:1px solid #f1d491;background:#fff9ec;border-radius:12px;padding:15px;margin-top:15px}.verification-panel p{font-size:13px}.settings-panel{padding-top:18px;font-size:13px;color:#52677a}.settings-panel details{border:1px solid #dce8ef;border-radius:10px;padding:12px 16px;background:#fff}.settings-panel summary{cursor:pointer;font-weight:700}.danger-button{border:1px solid #b91c1c;border-radius:8px;color:#991b1b;background:#fff;padding:10px 15px;cursor:pointer}.admin-panel{margin:15px 0;border:1px solid #9ed8d0;border-radius:12px;background:#f2fffc;padding:20px}.admin-panel h2{margin-top:0}.admin-panel p{color:#52677a;font-size:13px}#accountStatus{overflow-wrap:anywhere}

/* Responsive release: compact phones, tablets, laptops and large desktops. */
html{min-width:0;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{min-width:0;overflow-x:clip}
img,svg,video,canvas{max-width:100%;height:auto}
button,input,select{max-width:100%}
button,select{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #087e78;outline-offset:3px}
#appMain,.search-panel,.results,.result-list,.result,.auth-card,.feature-grid,.admin-panel{min-width:0}
.result>div:first-child{min-width:0;overflow-wrap:anywhere}
.result-title,.description,.source-info,.admin-panel,footer{overflow-wrap:anywhere}
.code{max-width:100%;white-space:normal;overflow-wrap:anywhere}
.search-panel,.auth-card{width:100%}
@media (min-width:1440px){main{max-width:1160px}.search-panel,.results{max-width:930px}.hero{padding-top:78px}}
@media (min-width:621px) and (max-width:900px){
 .site-header{padding:18px 28px}
 .header-actions{gap:10px;flex-wrap:wrap;justify-content:flex-end}
 .account-email{max-width:130px}
 .search-panel{padding:25px}
 .hero{padding:55px 0 32px}
}
@media (max-width:620px){
 main{padding-inline:16px}
 .site-header{padding:12px 16px;gap:10px;align-items:flex-start;flex-wrap:wrap}
 .brand{min-width:0;gap:9px}
 .brand-icon{width:38px;height:38px;flex-shrink:0}
 .brand strong{font-size:17px}
 .header-actions{width:100%;justify-content:flex-start;flex-wrap:wrap;gap:10px 16px}
 .account-email{max-width:min(55vw,220px)}
 .header-link{min-height:40px;display:inline-flex;align-items:center}
 .hero{padding:32px 0 24px}
 .hero h1{font-size:clamp(27px,8vw,38px);line-height:1.2;overflow-wrap:anywhere}
 .hero p{font-size:14px}
 .search-panel{padding:16px;border-radius:15px}
 .mode-switch{gap:4px;margin-bottom:18px}
 .mode{min-height:48px;padding:10px 8px;font-size:12px;line-height:1.35}
 .search-row{flex-direction:column;gap:10px}
 .search-row input{width:100%;min-height:48px}
 .search-row button{min-height:48px;width:100%;padding:12px 18px}
 .localization{gap:12px}
 .localization select{min-height:46px}
 .result{padding:16px}
 .result button{min-height:44px}
 .results{margin:28px auto}
 .results-header{align-items:flex-start;flex-wrap:wrap}
 .source-pill{white-space:normal}
 .feature-grid article{padding:18px}
 .auth-gate{margin:24px auto;padding:0 16px}
 .auth-card{padding:20px;border-radius:16px}
 .auth-card h1{font-size:23px}
 .auth-card input:not([type="checkbox"]){font-size:16px;min-height:48px}
 .auth-primary,.auth-secondary{min-height:46px}
 .auth-link{min-height:44px}
 .settings-panel details{padding:12px}
 .danger-button{min-height:44px}
 .admin-panel{padding:14px}
}
@media (max-width:360px){
 .site-header{padding-inline:12px}
 main{padding-inline:12px}
 .auth-gate{padding-inline:12px}
 .hero h1{font-size:26px}
 .brand strong{font-size:16px}
 .mode{font-size:11px;padding-inline:4px}
 .search-panel{padding:13px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Optional, explicit local email convenience setting; password is never persisted by the app. */
.auth-card .remember-email-row{display:flex;align-items:center;gap:10px;margin:14px 0 10px;cursor:pointer;font-size:13px;font-weight:650;line-height:1.4;color:#425971}
.auth-card .remember-email-row input[type="checkbox"]{appearance:auto;display:block;width:18px;height:18px;min-width:18px;min-height:18px;margin:0;padding:0;border:0;box-shadow:none;flex:0 0 18px;accent-color:#07847b}
.auth-card .remember-email-row span{flex:1;min-width:0}

/* Consistent provider branding, visually centered text, accessible buttons. */
.auth-card .auth-provider{display:grid;grid-template-columns:22px minmax(0,1fr) 22px;align-items:center;column-gap:10px;text-align:center;min-height:46px}
.auth-provider .provider-icon{width:20px;height:20px;display:block;justify-self:start}
.auth-provider .provider-icon-spacer{width:20px;height:20px;display:block}
.auth-provider span:not(.provider-icon-spacer){min-width:0}
@media(max-width:360px){.auth-card .auth-provider{column-gap:7px}}

/* Search results: visible exact-code match, readable code metadata, mobile-safe actions. */
.exact-code-badge{display:inline-block;margin:0 0 9px;padding:5px 9px;border:1px solid #b8dfd4;border-radius:999px;background:#e8f7f3;color:#096b62;font-size:11px;font-weight:750}
.code-side .copy-details{display:block;margin-left:auto;white-space:normal;max-width:190px}
@media(max-width:620px){.code-side .copy-details{margin-left:0;max-width:100%}}

/* Scoped terminology system choice. */
.system-select-row{margin:0 0 20px}
.system-select-row label{display:block;font-size:13px;font-weight:750;margin-bottom:8px}
.system-select-row select{width:100%;min-height:46px;border:1px solid #cadbe5;background:#fff;color:#172a3e;border-radius:10px;padding:11px;font:inherit;font-size:15px}
@media(max-width:620px){.system-select-row select{font-size:16px}}
.license-note{margin-top:16px;font-size:12px;color:#64748b;line-height:1.6}

/* LOINC metadata is rendered only when supplied by the authoritative NLM source. */
.loinc-details{display:grid;grid-template-columns:minmax(90px,120px) minmax(0,1fr);gap:7px 12px;margin:13px 0 4px;font-size:12px;line-height:1.55}
.loinc-details dt{font-weight:750;color:#51677d}
.loinc-details dd{margin:0;color:#263d50;overflow-wrap:anywhere}
@media(max-width:440px){.loinc-details{grid-template-columns:1fr;gap:2px}.loinc-details dd{margin-bottom:7px}}