/* =========================================================
   MedTracker v3.0 — Editorial Medical Data Platform
   ========================================================= */
:root {
    --bg:#f6f5f2;--bg-warm:#faf9f6;--surface:#fff;
    --accent:#1a6b5a;--accent-h:#145548;--accent-l:#edf7f4;
    --text:#1c1c1e;--text2:#48484a;--text3:#8e8e93;
    --border:#e5e5ea;--border2:#f2f2f7;
    --hdr:#1c1c1e;--hdr-t:#f5f5f7;
    --b510k:#0d6e6e;--btrial:#5856d6;
    --sh1:0 1px 3px rgba(0,0,0,.06);--sh2:0 4px 12px rgba(0,0,0,.08);--sh3:0 8px 30px rgba(0,0,0,.12);
    --r1:6px;--r2:10px;--r3:16px;
    --fd:'Playfair Display',Georgia,serif;
    --fb:'Source Serif 4',Georgia,serif;
    --fm:'DM Mono','Courier New',monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.grain{position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container.narrow{max-width:800px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Skip to content link — accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent);
    color: #fff;
    padding: 8px 16px;
    z-index: 1001;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

/* Focus — accessibility */
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
    *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
    .anim{opacity:1!important;transform:none!important}
    .grain{display:none!important}
}

/* ---- Header ---- */
.site-header{background:var(--hdr);color:var(--hdr-t);position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--hdr-t)}
.logo-icon{font-size:24px;color:var(--accent)}
.logo-text{font-family:var(--fd);font-size:1.3rem;font-weight:700;letter-spacing:.02em}
.nav-links{display:flex;list-style:none;gap:4px}
.nav-links a{color:var(--hdr-t);text-decoration:none;padding:8px 16px;border-radius:var(--r1);font-size:.9rem;opacity:.85;transition:background .2s,opacity .2s}
.nav-links a:hover{background:rgba(255,255,255,.1);opacity:1;text-decoration:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--hdr-t);border-radius:1px;transition:transform .3s,opacity .3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---- Breadcrumb ---- */
.crumb{background:var(--bg-warm);border-bottom:1px solid var(--border);padding:12px 0;font-size:.85rem}
.crumb ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:'/';color:var(--text3)}
.crumb li:last-child{color:var(--text3)}

/* ---- Hero ---- */
.hero{background:linear-gradient(135deg,#141926,#163040 50%,#164038);color:#fff;padding:80px 0 60px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.035) 1px,transparent 1px);background-size:20px 20px;pointer-events:none}
.hero-content{position:relative;z-index:1}
.hero h1{font-family:var(--fd);font-size:3rem;font-weight:700;line-height:1.15;margin-bottom:20px}
.hero-sub{font-size:1.15rem;opacity:.85;max-width:600px;margin-bottom:40px}
.hero-stats{display:flex;gap:48px}
.stat-num{display:block;font-family:var(--fm);font-size:2.2rem;font-weight:500;color:var(--accent);line-height:1;margin-bottom:6px}
.stat-lbl{font-size:.85rem;opacity:.7;text-transform:uppercase;letter-spacing:.08em}

/* ---- Trend ---- */
.trend-sec{padding:32px 0 0}
.trend-card{background:var(--accent-l);border:1px solid rgba(26,107,90,.2);border-radius:var(--r2);padding:24px 32px}
.trend-card h2{font-family:var(--fd);font-size:1.1rem;color:var(--accent);margin-bottom:8px}
.trend-card p{color:var(--text2);font-size:.95rem}

/* ---- Section headers ---- */
.latest-sec,.page-wrap{padding:60px 0 80px}
.sec-hd{margin-bottom:40px}
.sec-hd h2{font-family:var(--fd);font-size:2rem;margin-bottom:8px}
.sec-hd p{color:var(--text3);font-size:1rem}
.page-hd{margin-bottom:40px}
.page-hd h1{font-family:var(--fd);font-size:2.2rem;margin-bottom:8px}
.page-sub{color:var(--text3);font-size:1rem}

/* ---- Search ---- */
.search-wrap{margin-bottom:32px}
.search-input{width:100%;max-width:480px;padding:12px 16px;font-family:var(--fb);font-size:.95rem;border:1.5px solid var(--border);border-radius:var(--r1);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s}
.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,107,90,.15);outline:none}
.search-input::placeholder{color:var(--text3)}
.search-empty{padding:40px 20px;text-align:center;color:var(--text3)}

/* ---- Device Grid ---- */
.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.device-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:28px;transition:box-shadow .25s,transform .25s,border-color .25s;position:relative;overflow:hidden}
.device-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:0;background:var(--accent);transition:height .3s ease}
.device-card:hover{box-shadow:var(--sh3);transform:translateY(-2px);border-color:rgba(26,107,90,.3)}
.device-card:hover::before{height:100%}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.code-tag{background:var(--accent-l);color:var(--accent);font-family:var(--fm);font-size:.75rem;font-weight:500;padding:4px 10px;border-radius:4px;letter-spacing:.05em}
.date-tag{font-family:var(--fm);font-size:.8rem;color:var(--text3)}
.device-card h3{font-family:var(--fd);font-size:1.15rem;font-weight:600;margin-bottom:12px;line-height:1.35}
.device-card h3 a{color:var(--text)}
.device-card h3 a:hover{color:var(--accent);text-decoration:none}
.card-meta{font-size:.88rem;color:var(--text2);margin-bottom:6px}
.lbl{color:var(--text3);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;margin-right:6px}
.mono{font-family:var(--fm);font-size:.9em}
.card-link{display:inline-block;margin-top:12px;color:var(--accent);font-size:.88rem;font-weight:500;transition:letter-spacing .2s}
.card-link:hover{letter-spacing:.04em;text-decoration:none}

/* ---- Animations ---- */
.anim{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease;transition-delay:var(--delay,0s)}
.anim.visible{opacity:1;transform:translateY(0)}

/* ---- Detail Page ---- */
.detail-page{padding:48px 0 80px}
.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:48px}
.detail-hd{margin-bottom:36px}
.badge{display:inline-block;font-family:var(--fm);font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.1em;padding:5px 12px;border-radius:4px;margin-bottom:12px}
.badge-510k{background:var(--b510k);color:#fff}
.badge-trial{background:var(--btrial);color:#fff}
.detail-hd h1{font-family:var(--fd);font-size:2rem;font-weight:700;line-height:1.25;margin-bottom:10px}
.detail-sub{color:var(--text3);font-size:.95rem}
.status-tag{background:var(--accent-l);color:var(--accent);padding:2px 8px;border-radius:4px;font-size:.85rem}

/* Info Grid */
.info-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:40px}
.info-item{background:var(--bg-warm);border:1px solid var(--border2);border-radius:var(--r1);padding:16px 20px}
.info-lbl{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);margin-bottom:4px}
.info-val{font-size:1rem;font-weight:600;color:var(--text)}

/* Sections */
.sec{margin-bottom:40px}
.sec h2{font-family:var(--fd);font-size:1.4rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--border)}
.summary-text{font-size:1rem;line-height:1.8;color:var(--text2)}
.pred-box{background:var(--accent-l);border:1px solid rgba(26,107,90,.2);border-radius:var(--r1);padding:16px 20px}
.pred-name{font-family:var(--fd);font-weight:600;color:var(--accent)}

/* FAQ — <details> based */
.faq-item{border:1px solid var(--border);border-radius:var(--r1);margin-bottom:12px;background:var(--surface);overflow:hidden}
.faq-item summary{font-family:var(--fd);font-size:1.05rem;font-weight:600;padding:20px 24px;cursor:pointer;list-style:none;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:'▸';display:inline-block;margin-right:10px;color:var(--accent);transition:transform .2s;font-size:.9rem}
.faq-item[open] summary::before{transform:rotate(90deg)}
.faq-item summary:hover{background:var(--bg-warm)}
.faq-item div{padding:0 24px 20px}
.faq-item p{color:var(--text2);font-size:.95rem;line-height:1.7}

/* Related */
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.rel-card{display:block;background:var(--bg-warm);border:1px solid var(--border2);border-radius:var(--r1);padding:14px 18px;text-decoration:none;transition:border-color .2s,box-shadow .2s}
.rel-card:hover{border-color:var(--accent);box-shadow:var(--sh1);text-decoration:none}
.rel-k{display:block;font-size:.8rem;color:var(--accent);margin-bottom:4px}
.rel-name{display:block;font-size:.9rem;color:var(--text);font-weight:500}
.rel-app{display:block;font-size:.8rem;color:var(--text3);margin-top:2px}

/* Source */
.src-sec{background:var(--bg-warm);border:1px solid var(--border);border-radius:var(--r2);padding:28px 32px}
.src-link{display:inline-block;font-weight:600;font-size:1.05rem;margin-bottom:8px;transition:letter-spacing .2s}
.src-link:hover{letter-spacing:.02em;text-decoration:none}
.src-note{font-size:.85rem;color:var(--text3)}

/* Sidebar */
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:24px;margin-bottom:24px}
.side-card h3{font-family:var(--fd);font-size:1.05rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--border)}
.sticky-side{position:sticky;top:80px}
.qf dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);margin-top:12px}
.qf dt:first-child{margin-top:0}
.qf dd{font-size:.95rem;font-weight:500;margin-top:2px}
.share-btns{display:flex;gap:12px}
.share-btns a{color:var(--accent);font-size:.9rem;padding:6px 12px;border:1px solid var(--accent);border-radius:var(--r1);transition:background .2s,color .2s}
.share-btns a:hover{background:var(--accent);color:#fff;text-decoration:none}

/* ---- Data Table ---- */
.tbl-wrap{margin-top:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;position:relative}
.data-tbl{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--r2);overflow:hidden;box-shadow:var(--sh1)}
.data-tbl thead{background:var(--hdr);color:var(--hdr-t)}
.data-tbl th{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:14px 20px;text-align:left;white-space:nowrap}
.data-tbl td{padding:14px 20px;border-bottom:1px solid var(--border2);font-size:.9rem}
.data-tbl tbody tr{transition:background .15s}
.data-tbl tbody tr:hover{background:var(--accent-l)}
.data-tbl tbody tr.hidden{display:none}

/* ---- Button ---- */
.btn-primary{display:inline-block;background:var(--accent);color:#fff;padding:12px 28px;border-radius:var(--r1);font-weight:600;font-size:.95rem;transition:background .2s,transform .2s}
.btn-primary:hover{background:var(--accent-h);color:#fff;text-decoration:none;transform:translateY(-1px)}

/* ---- Static Pages ---- */
.static-page{padding:48px 0 80px}
.static-page h1{font-family:var(--fd);font-size:2.2rem;margin-bottom:32px}
.static-page h2{font-family:var(--fd);font-size:1.35rem;margin-top:36px;margin-bottom:12px}
.static-page p{margin-bottom:16px;color:var(--text2);line-height:1.8}
.static-page ul{margin-bottom:16px;padding-left:24px}
.static-page li{margin-bottom:8px;color:var(--text2);line-height:1.7}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin:32px 0}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:28px}
.contact-card h3{font-family:var(--fd);font-size:1.1rem;margin-bottom:8px}
.empty{text-align:center;padding:60px 20px;color:var(--text3)}

/* ---- Back to Top ---- */
.back-to-top{position:fixed;bottom:32px;right:32px;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s;font-size:1.2rem;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;text-decoration:none}
.back-to-top:hover{transform:translateY(-3px);color:#fff;text-decoration:none}
.back-to-top.show{opacity:1;visibility:visible}

/* ---- Footer ---- */
.site-footer{background:var(--hdr);color:var(--hdr-t);padding:60px 0 32px;margin-top:40px}
.disclaimer{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r2);padding:24px 28px;margin-bottom:48px;font-size:.82rem;line-height:1.7;opacity:.85}
.disclaimer strong{display:block;margin-bottom:8px;font-size:.9rem;opacity:1}
.disclaimer p{margin-bottom:8px}
.disclaimer p:last-child{margin-bottom:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-col h4{font-family:var(--fd);font-size:1.05rem;margin-bottom:16px}
.footer-col p{font-size:.88rem;opacity:.75;margin-bottom:8px;line-height:1.6}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--hdr-t);text-decoration:none;opacity:.75;font-size:.88rem;transition:opacity .2s}
.footer-col a:hover{opacity:1;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;font-size:.8rem;opacity:.6}

/* ---- Responsive ---- */
@media(max-width:1024px){
    .detail-layout{grid-template-columns:1fr}
    .sticky-side{position:static}
    .side-card{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
    .side-card h3{grid-column:1/-1}
}
@media(max-width:768px){
    .nav-toggle{display:flex}
    .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--hdr);flex-direction:column;padding:16px 24px;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 8px 16px rgba(0,0,0,.2)}
    .nav-links.open{display:flex}
    .nav-links a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
    .hero h1{font-size:2rem}
    .hero-stats{flex-direction:column;gap:24px}
    .device-grid{grid-template-columns:1fr}
    .info-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .footer-bottom{flex-direction:column;gap:8px}
    .side-card{grid-template-columns:1fr}
    .detail-hd h1{font-size:1.5rem}
    .page-hd h1,.static-page h1{font-size:1.6rem}
    .rel-grid{grid-template-columns:1fr}

    /* Mobile table → card layout */
    .data-tbl thead{display:none}
    .data-tbl,.data-tbl tbody,.data-tbl tr,.data-tbl td{display:block;width:100%}
    .data-tbl tr{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:16px 20px;margin-bottom:12px;box-shadow:var(--sh1)}
    .data-tbl td{padding:4px 0;border:none;text-align:left;white-space:normal}
    .data-tbl td::before{content:attr(data-label);display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);margin-bottom:2px;font-weight:600}
    .data-tbl td:last-child{text-align:right}
    .tbl-wrap{overflow-x:visible}
}
@media(max-width:480px){
    .info-grid{grid-template-columns:1fr}
    .hero{padding:48px 0 40px}
    .hero h1{font-size:1.6rem}
    .container{padding:0 16px}
    .search-input{max-width:100%}
}

/* ---- Print ---- */
@media print{
    .site-header,.site-footer,.grain,.side-card,.back-to-top,.nav-toggle,.search-wrap,.share-btns{display:none!important}
    .detail-layout{grid-template-columns:1fr}
    body{background:#fff;color:#000;font-size:11pt}
    .device-card{break-inside:avoid;border:1px solid #ccc}
    a{color:#000;text-decoration:underline}
    a[href]::after{content:" (" attr(href) ")";font-size:.8em;color:#666}
    .card-link::after,.src-link::after{content:none}
}

/* ---- Top Disclaimer ---- */
.top-disclaimer{background:var(--accent-l);border-bottom:1px solid rgba(26,107,90,.2);padding:10px 0;font-size:.82rem;line-height:1.6;color:var(--text2);text-align:center}
.top-disclaimer strong{color:var(--accent)}
.top-disclaimer p{margin:0}
@media(max-width:768px){
    .top-disclaimer{font-size:.78rem;padding:8px 0}
}

/* ---- PMA Badge & Tag ---- */
.badge-pma{background:#b71c1c;color:#fff}
.tag-pma{background:#fce4ec;color:#b71c1c}
.pma-sec{padding:60px 0 0}
.pma-card{border-top:3px solid #b71c1c}
.pma-card::before{background:#b71c1c}
.pma-card:hover{border-color:rgba(183,28,28,.3)}

/* ---- Archive PMA ---- */
.archive-pma-hd{border-left:4px solid #b71c1c;padding-left:16px}

/* ---- PubMed Badge ---- */
.badge-pubmed{background:#326599;color:#fff}

/* ---- AdSense CLS ---- */
.adsbygoogle {
    display: block;
    min-height: 90px;
}
@media(max-width:768px){
    .adsbygoogle {
        min-height: 60px;
    }
}