:root{--bg:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--border:#e2e8f0;--border-soft:#f1f5f9;--accent:#2563eb;--accent-light:#eff6ff;--accent-hover:#1d4ed8;--success:#16a34a;--warning:#d97706;--purple:#7c3aed;--teal:#0891b2;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--font-sans:"Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 16px #00000014;--shadow-lg:0 8px 32px #0000001a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}.site-header{background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1100px;height:60px;margin:0 auto;padding:0 24px;display:flex}.site-logo{letter-spacing:-.5px;color:var(--text-primary);font-size:17px;font-weight:800;text-decoration:none}.site-logo span{color:var(--accent)}.site-logo .badge{background:var(--accent-light);color:var(--accent);vertical-align:middle;border-radius:20px;margin-left:8px;padding:2px 7px;font-size:10px;font-weight:600}.site-nav{gap:4px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);padding:7px 14px;font-size:13px;font-weight:500;text-decoration:none;transition:all .15s}.nav-link:hover,.nav-link.active{background:var(--accent-light);color:var(--accent)}.hero{border-bottom:1px solid var(--border);text-align:center;background:linear-gradient(135deg,#eff6ff 0%,#f8fafc 60%);padding:56px 24px 48px}.hero-eyebrow{letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-size:11px;font-weight:700}.hero h1{letter-spacing:-1px;max-width:640px;margin:0 auto 16px;font-size:36px;font-weight:800;line-height:1.15}.hero h1 em{color:var(--accent);font-style:normal}.hero-sub{color:var(--text-secondary);max-width:520px;margin:0 auto;font-size:16px;line-height:1.6}.hero-stats{flex-wrap:wrap;justify-content:center;gap:40px;margin-top:36px;display:flex}.hero-stat{text-align:center}.hero-stat-value{letter-spacing:-1px;color:var(--text-primary);font-size:28px;font-weight:800}.hero-stat-label{color:var(--text-muted);margin-top:2px;font-size:12px}.page-wrap{max-width:1100px;margin:0 auto;padding:40px 24px 80px}.section-head{margin-bottom:24px}.section-title{letter-spacing:-.4px;font-size:20px;font-weight:700}.section-sub{color:var(--text-secondary);margin-top:4px;font-size:13px}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;display:flex}.search-box{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);min-width:200px;max-width:320px;font-size:13px;font-family:var(--font-sans);color:var(--text-primary);outline:none;flex:1;padding:8px 12px;transition:border-color .15s,box-shadow .15s}.search-box:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.filter-btn{cursor:pointer;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);white-space:nowrap;border-radius:20px;padding:7px 14px;font-size:12px;font-weight:500;transition:all .15s}.filter-btn:hover{border-color:var(--accent);color:var(--accent)}.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.sources-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;display:grid}.source-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 22px;transition:transform .2s,box-shadow .2s,border-color .2s}.source-card:hover{box-shadow:var(--shadow-md);border-color:#bfdbfe;transform:translateY(-2px)}.source-domain{letter-spacing:1px;text-transform:uppercase;border-radius:20px;margin-bottom:10px;padding:3px 8px;font-size:10px;font-weight:700;display:inline-block}.domain-Cardiovascular{color:#dc2626;background:#fef2f2}.domain-Metabolic{color:#ca8a04;background:#fefce8}.domain-Renal{color:#16a34a;background:#f0fdf4}.domain-Fitness{color:#2563eb;background:#eff6ff}.domain-Sleep{color:#7c3aed;background:#f5f3ff}.domain-Lifestyle{color:#ea580c;background:#fff7ed}.domain-General{color:#64748b;background:#f8fafc}.source-name{color:var(--text-primary);margin-bottom:8px;font-size:13px;font-weight:600;line-height:1.45}.source-meta{flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;display:flex}.source-year{font-family:var(--font-mono);color:var(--text-muted);background:var(--bg-elevated);border-radius:4px;padding:2px 7px;font-size:11px}.source-priority{border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}.priority-primary{color:var(--accent);background:#eff6ff}.priority-secondary{background:var(--bg-elevated);color:var(--text-muted)}.source-locale{color:var(--text-muted);font-size:11px}.source-link{color:var(--accent);align-items:center;gap:4px;margin-top:10px;font-size:12px;text-decoration:none;transition:opacity .15s;display:inline-flex}.source-link:hover{opacity:.75;text-decoration:underline}.timeline{padding-left:28px;position:relative}.timeline:before{content:"";background:var(--border);border-radius:2px;width:2px;position:absolute;top:8px;bottom:8px;left:8px}.timeline-item{margin-bottom:28px;position:relative}.timeline-dot{background:var(--bg-surface);border:3px solid var(--border);border-radius:50%;width:14px;height:14px;transition:border-color .2s;position:absolute;top:14px;left:-24px}.timeline-item.active .timeline-dot{border-color:var(--accent);background:var(--accent)}.timeline-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 22px;transition:box-shadow .2s,border-color .2s}.timeline-item.active .timeline-card{border-color:#bfdbfe;box-shadow:0 0 0 3px #2563eb0f}.timeline-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.timeline-ver{font-family:var(--font-mono);color:var(--text-primary);letter-spacing:-.5px;font-size:16px;font-weight:700}.timeline-desc{color:var(--text-secondary);margin-top:6px;font-size:13px;line-height:1.5}.timeline-footer{flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px;display:flex}.timeline-date{color:var(--text-muted);font-size:11px}.badge{border-radius:20px;align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:600;display:inline-flex}.badge-blue{color:var(--accent);background:#eff6ff;border:1px solid #bfdbfe}.badge-green{color:var(--success);background:#f0fdf4;border:1px solid #bbf7d0}.badge-purple{color:var(--purple);background:#f5f3ff;border:1px solid #ddd6fe}.badge-amber{color:var(--warning);background:#fffbeb;border:1px solid #fde68a}.badge-teal{color:var(--teal);background:#ecfeff;border:1px solid #a5f3fc}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-box{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:80px 24px;font-size:13px;display:flex}.empty-state{text-align:center;color:var(--text-muted);padding:60px 24px;font-size:13px}.empty-state .icon{margin-bottom:12px;font-size:36px}.site-footer{border-top:1px solid var(--border);background:var(--bg-surface);text-align:center;color:var(--text-muted);padding:24px;font-size:12px;line-height:1.6}.site-footer a{color:var(--accent);text-decoration:none}.site-footer a:hover{text-decoration:underline}.count-chip{font-family:var(--font-mono);color:var(--text-muted);background:var(--bg-elevated);border-radius:20px;align-items:center;margin-left:8px;padding:2px 8px;font-size:11px;display:inline-flex}