/* Health library hubs — builds on patient-guide.css tokens (.dmx). Prefix: lib- */
.lib{background:#fff}
.lib .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.lib-crumbs{font-size:.86rem;color:var(--muted);padding-top:18px;padding-bottom:6px}
.lib-crumbs a{color:var(--blue)}
.lib-crumbs span{margin:0 4px}
.lib-crumbs span[aria-current]{margin:0}
.lib-hero{background:linear-gradient(135deg,var(--soft) 0%,#fff 65%);border-bottom:1px solid var(--line);padding:18px 0 30px}
.lib-kicker{display:inline-flex;gap:8px;align-items:center;font-weight:700;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin:0 0 .5em}
.lib-hero h1{font-size:clamp(1.9rem,4vw,2.7rem);margin:0 0 .35em}
.lib-lead{max-width:760px;font-size:1.05rem}
.lib-search{position:relative;max-width:640px;margin:20px 0 18px}
.lib-search i{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted)}
.lib-search input{width:100%;padding:15px 18px 15px 48px;border:1px solid var(--line);border-radius:999px;font-size:1rem;background:#fff;box-shadow:var(--shadow)}
.lib-search input:focus{outline:2px solid var(--sky);border-color:var(--blue)}
.lib-tabs{display:flex;flex-wrap:wrap;gap:8px}
.lib-tabs a{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;font-size:.92rem}
.lib-tabs a span{background:var(--soft);border-radius:999px;padding:1px 8px;font-size:.78rem;color:var(--muted)}
.lib-tabs a.on{background:var(--navy);border-color:var(--navy);color:#fff}
.lib-tabs a.on span{background:rgba(255,255,255,.15);color:#fff}
.lib-sec{padding:34px 0 48px}
.lib-sec.alt{background:var(--soft2);border-top:1px solid var(--line)}
.lib-filter{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.lib-filter button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 13px;font-size:.84rem;color:var(--ink);cursor:pointer}
.lib-filter button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.lib-az{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 20px;position:sticky;top:0;background:#fff;padding:8px 0;z-index:2}
.lib-az a,.lib-az span{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;font-weight:700;font-size:.85rem}
.lib-az a{background:var(--soft);color:var(--blue)}
.lib-az a:hover{background:var(--blue);color:#fff}
.lib-az span{color:#c3d2de}
.lib-group{scroll-margin-top:70px;margin-bottom:22px}
.lib-group h2{font-size:1.35rem;border-bottom:2px solid var(--line);padding-bottom:6px;margin:0 0 12px}
.lib-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.lib-card{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.lib-card:hover{border-color:var(--blue);box-shadow:var(--shadow);transform:translateY(-1px)}
.lib-card b{font-family:"Plus Jakarta Sans","Open Sans",sans-serif;font-size:1rem;color:var(--ink)}
.lib-meta{font-size:.74rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--blue)}
.lib-desc{font-size:.86rem;color:var(--muted);line-height:1.45}
.lib-none{background:var(--soft);border-radius:12px;padding:16px}
.lib-help{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.lib-help h2{margin:0 0 .3em;font-size:1.4rem}
.lib-help-btns{display:flex;flex-wrap:wrap;gap:8px}
.lib-btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff!important;border:2px solid var(--blue);border-radius:999px;padding:11px 20px;font-weight:700}
.lib-btn.ghost{background:#fff;color:var(--blue)!important}
.lib-disclaimer{font-size:.84rem;margin-top:22px}
@media(max-width:700px){.lib-filter{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}.lib-filter button{flex:none}.lib-az{overflow-x:auto;flex-wrap:nowrap}.lib-az a,.lib-az span{flex:none}}