:root{--bg:#f7f8fa;--card:#fff;--ink:#18222d;--muted:#5f6b76;--line:#d8dee5;--accent:#315f78;--accent2:#e8f0f4;--warn:#8a5a18;--warnbg:#fff6df;--focus:#1d70b8;--zero:#455a64;--score:#7a3e65}*{box-sizing:border-box}html{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}body{margin:0;line-height:1.5}a{color:#1a5875}a:focus,button:focus,input:focus{outline:3px solid var(--focus);outline-offset:2px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{max-width:1120px;margin:auto;display:flex;gap:18px;align-items:center;padding:14px 22px;flex-wrap:wrap}.brand{font-weight:750;text-decoration:none;color:var(--ink);margin-right:auto}.nav a{font-weight:600;text-decoration:none}.badge{font-size:.78rem;background:var(--warnbg);color:var(--warn);border:1px solid #e8c785;border-radius:999px;padding:3px 8px}.wrap{max-width:1120px;margin:auto;padding:38px 22px 70px}.hero{padding:30px 0 20px;max-width:850px}.hero h1{font-size:clamp(2rem,5vw,3.7rem);line-height:1.03;margin:0 0 16px}.hero p{font-size:1.16rem;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.03)}h1,h2,h3{line-height:1.2}h2{margin-top:36px}.notice{background:var(--warnbg);border-left:4px solid #b47820;padding:14px 16px;margin:18px 0;border-radius:4px}.searchbox{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.searchbox input{min-width:min(100%,520px);flex:1;padding:13px;border:1px solid #9ea9b3;border-radius:8px;font-size:1rem}.searchbox button,.btn{padding:11px 15px;border:0;border-radius:8px;background:var(--accent);color:white;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}.secondary{background:#e9eef1;color:#24343e}.result{margin:12px 0}.small{font-size:.9rem;color:var(--muted)}.scoretable{width:100%;border-collapse:collapse;margin:12px 0;background:#fff}.scoretable th,.scoretable td{text-align:left;border-bottom:1px solid var(--line);padding:10px;vertical-align:top}.scoretable th{background:#f0f3f5}.scorepill{display:inline-block;padding:2px 8px;border-radius:999px;background:#f3e8ef;color:var(--score);font-weight:800}.zeropill{background:#eef1f2;color:var(--zero)}.gated{background:#f5f5f5;color:#5a6168;padding:3px 7px;border-radius:5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.compare-list{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);border-radius:999px;padding:5px 10px;background:white}.footer{border-top:1px solid var(--line);padding:28px 22px;color:var(--muted);background:#fff}.footer>div{max-width:1120px;margin:auto}@media(max-width:620px){.nav{gap:10px}.nav a:not(.brand){font-size:.9rem}.wrap{padding-top:24px}.scoretable{font-size:.88rem}.scoretable th,.scoretable td{padding:7px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.site-header,.no-print,.footer{display:none!important}.wrap{max-width:none;padding:0}.card{box-shadow:none;break-inside:avoid}.scoretable{font-size:9pt}.notice{border:1px solid #aaa}body{background:white}}
textarea:focus{outline:3px solid var(--focus);outline-offset:2px}

.skip{position:absolute;left:-9999px;top:auto}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px;border-radius:6px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:22px 0}.metric{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.metric strong{display:block;font-size:1.55rem}.status-ok{background:#eaf4ed;color:#285b36;border:1px solid #b9d7c1}.article-list{list-style:none;padding:0}.article-list li{padding:9px 0;border-bottom:1px solid var(--line)}.article-filter{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.article-filter input,.article-filter select{padding:10px;border:1px solid #9ea9b3;border-radius:8px;font:inherit}.source-table td:first-child{font-weight:650}.nowrap{white-space:nowrap}@media(max-width:620px){.site-header{position:static}.nav{align-items:flex-start}.badge{order:2}.scoretable{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.article-filter>*{width:100%}}/* RC10 homepage density reduction */
.home .hero{max-width:820px;padding-top:34px;padding-bottom:14px}.home .hero p{max-width:720px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.trustbar{display:flex;gap:10px 24px;flex-wrap:wrap;align-items:center;padding:12px 0 16px;border-bottom:1px solid var(--line);color:var(--muted)}.trustbar span{white-space:nowrap}.trustbar strong{color:var(--ink);font-size:1.05rem}.tool-grid{margin-top:18px}.tool-grid .card h2{margin:0 0 8px}.tool-grid .card p{margin:8px 0}.home-more{margin-top:18px;font-size:.95rem}@media(max-width:620px){.home .hero{padding-top:20px}.home .hero h1{font-size:2.1rem}.home .hero p{font-size:1rem}.hero-actions .btn{width:100%;text-align:center}.trustbar{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}.trustbar span{white-space:normal}.tool-grid{grid-template-columns:1fr}.home-more{margin-top:14px}}

/* RC11 keyboard focus refinement */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #1d70b8;outline-offset:2px}
.skip:focus-visible{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px;border-radius:6px}

/* RC13 public UX + SEO */
.hero-search{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.hero-search input,.followup input,.library-tools input,.ask-card textarea{flex:1;min-width:min(100%,520px);padding:13px;border:1px solid #9ea9b3;border-radius:8px;font:inherit}.page-intro{max-width:800px;margin-bottom:22px}.page-intro>p{font-size:1.05rem;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:750;color:var(--accent)}.ask-card textarea{width:100%;margin-top:8px}.ask-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:10px}.plain-note{max-width:760px}.quick-results{display:flex;gap:8px;flex-wrap:wrap}.quick-results button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 10px;cursor:pointer}.notlisted{color:var(--muted)}.compact{max-width:660px}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:28px}.profile-head h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:.15em 0}.profile-actions{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.answer-first{max-width:820px}.answer-first h2{margin-top:0}.references li{margin:.75em 0;max-width:85ch}.followup{margin-top:28px}.followup h2{margin-top:0}.followup form{display:flex;gap:8px;flex-wrap:wrap}.library-tools{margin-bottom:24px}.library-tools input{width:100%;margin:8px 0 12px}.alpha-nav{display:flex;gap:8px;flex-wrap:wrap}.alpha-nav a{padding:3px 7px;border-radius:5px;text-decoration:none;background:#f0f3f5}.med-letter{margin:28px 0}.med-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:7px 18px}.med-list li{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding:8px 0}.med-list li span{font-size:.85rem;color:var(--muted);white-space:nowrap}.link-card{text-decoration:none;color:inherit}.link-card:hover{border-color:#aab8c2}.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.footer-grid h2{font-size:1rem;margin:0 0 8px;color:var(--ink)}.footer-grid a{display:block;margin:6px 0}.footer-note{max-width:1120px!important;margin:28px auto 0!important;padding-top:18px;border-top:1px solid var(--line);font-size:.9rem}.timeline{display:grid;gap:14px}.timeline .card h2{margin-top:0}@media(max-width:700px){.footer-grid{grid-template-columns:1fr}.hero-search .btn,.hero-search input{width:100%}.profile-actions .btn{flex:1;text-align:center}.followup form>*{width:100%}.med-list{grid-template-columns:1fr}}

.footer-credit{max-width:1120px!important;margin:8px auto 0!important;font-size:.85rem;color:var(--muted)}