/* RIVET library hero carousel + shopping filter sidebar */

/* ---- HERO CAROUSEL ---- */
.lib-hero { position:relative; border-radius:22px; overflow:hidden; min-height:clamp(280px,32vw,400px); box-shadow:0 22px 46px -26px rgba(0,0,0,.5); isolation:isolate; }
.lib-hero__slide { position:absolute; inset:0; display:flex; align-items:center; padding:clamp(26px,5vw,64px); opacity:0; visibility:hidden; transition:opacity .7s ease, visibility .7s; }
.lib-hero__slide.is-on { opacity:1; visibility:visible; }
.lib-hero__slide::after { content:""; position:absolute; inset:0; z-index:1; background:radial-gradient(130% 130% at 100% 0, transparent 52%, rgba(0,0,0,.30)); }
.lh-in { position:relative; z-index:2; max-width:60ch; }
.lh-eyebrow { font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(255,255,255,.9); }
.lh-eyebrow .ar { font-family:var(--font-ar,inherit); }
.lh-title { font-size:clamp(1.55rem,3.2vw,2.5rem); line-height:1.06; letter-spacing:-.02em; margin:10px 0 8px; color:#fff; text-wrap:balance; }
.lh-sub { color:rgba(255,255,255,.86); max-width:44ch; margin:0 0 20px; font-size:clamp(.92rem,1.4vw,1.05rem); }
.lh-cta { display:inline-flex; align-items:center; gap:8px; background:#fff; color:var(--ink,#0A0A0C); font-weight:600; font-size:.95rem; padding:12px 20px; border-radius:999px; text-decoration:none; transition:transform .18s ease, box-shadow .18s ease; }
.lh-cta:hover { transform:translateY(-2px); box-shadow:0 14px 30px -14px rgba(0,0,0,.5); }
.lh-cta .arr { transition:transform .18s ease; }
.lh-cta:hover .arr { transform:translateX(3px); }
.lib-hero__dots { position:absolute; z-index:3; bottom:22px; left:clamp(26px,5vw,64px); display:flex; gap:8px; }
.lib-hero__dot { width:8px; height:8px; border-radius:999px; border:0; padding:0; background:rgba(255,255,255,.45); cursor:pointer; transition:.2s; }
.lib-hero__dot.is-on { background:#fff; width:24px; }
.lib-hero__arrow { position:absolute; z-index:3; top:50%; transform:translateY(-50%); width:44px; height:44px; border-radius:50%; border:1px solid rgba(255,255,255,.4); background:rgba(0,0,0,.25); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); color:#fff; font-size:1.5rem; line-height:1; cursor:pointer; display:grid; place-items:center; transition:.18s; }
.lib-hero__arrow:hover { background:rgba(0,0,0,.45); border-color:#fff; }
.lib-hero__arrow--prev { left:16px; }
.lib-hero__arrow--next { right:16px; }
@media (max-width:640px) { .lib-hero__arrow { display:none; } .lib-hero__slide { padding:24px; } }
@media (prefers-reduced-motion: reduce) { .lib-hero__slide { transition:none; } }

/* ---- SHOPPING SIDEBAR (library pages) ---- */
.lib-shop { display:grid; grid-template-columns:236px 1fr; gap:clamp(20px,3vw,44px); align-items:start; }
.lib-side { position:sticky; top:120px; display:flex; flex-direction:column; gap:22px; }
.lib-side__group { display:flex; flex-direction:column; gap:10px; }
.lib-side__h { font-family:var(--font-mono); font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--fg-mute); margin:0; }
.lib-side .lib-search { max-width:none; width:100%; }
.lib-side__list { display:flex; flex-direction:column; gap:2px; }
.lib-opt { display:flex; align-items:center; justify-content:space-between; gap:8px; width:100%; text-align:left; font-family:inherit; font-size:.9rem; color:var(--fg-soft); background:none; border:0; border-radius:9px; padding:8px 10px; cursor:pointer; transition:.15s; }
.lib-opt:hover { background:var(--paper-2,#f3f1f8); color:var(--ink); }
.lib-opt[aria-pressed="true"] { background:var(--violet); color:#fff; font-weight:600; }
.lib-opt__c { font-family:var(--font-mono); font-size:.7rem; opacity:.7; }
.lib-sort { width:100%; font-family:inherit; font-size:.9rem; padding:10px 12px; border:1px solid var(--line); border-radius:10px; background:#fff; color:var(--ink); cursor:pointer; }
.lib-sort:focus { outline:2px solid var(--violet); outline-offset:1px; }
.lib-side .lib-filters, .lib-side .lib-roles { display:flex; flex-direction:column; align-items:stretch; gap:2px; }
.lib-side .lib-chip { width:100%; text-align:left; justify-content:flex-start; border:0; border-radius:9px; background:none; font-family:inherit; font-size:.9rem; letter-spacing:0; padding:8px 10px; color:var(--fg-soft); }
.lib-side .lib-chip:hover { background:var(--paper-2,#f3f1f8); color:var(--ink); }
.lib-side .lib-chip[aria-pressed="true"] { background:var(--violet); border-color:var(--violet); color:#fff; }
.lib-side .lib-chip--role[aria-pressed="true"] { background:var(--ink); border-color:var(--ink); }
.lib-side__reset { align-self:flex-start; font-family:var(--font-mono); font-size:.68rem; color:var(--violet); background:none; border:0; cursor:pointer; padding:4px 2px; text-decoration:underline; text-underline-offset:2px; }
.lib-shop .lib-count { margin:0 0 14px; display:block; }
.lib-shop__main { min-width:0; }
.lib-shopbar { display:none; }
@media (max-width:880px) {
  .lib-shop { grid-template-columns:1fr; }
  .lib-side { position:static; flex-direction:row; flex-wrap:wrap; gap:12px 18px; padding-bottom:8px; }
  .lib-side__group { flex:1; min-width:150px; }
  .lib-side__list { flex-direction:row; flex-wrap:wrap; gap:6px; }
  .lib-opt { width:auto; border:1px solid var(--line); border-radius:999px; padding:7px 12px; }
  .lib-side .lib-filters, .lib-side .lib-roles { flex-direction:row; flex-wrap:wrap; gap:6px; }
  .lib-side .lib-chip { width:auto; border:1px solid var(--line); border-radius:999px; padding:7px 12px; }
}

/* ---- CATALOGUE CATEGORY RAIL (curated /courses page) ---- */
.catbar { position:sticky; top:84px; z-index:30; display:flex; gap:6px; overflow-x:auto; scrollbar-width:none; padding:11px 0; margin-bottom:6px; background:color-mix(in oklab, var(--paper,#fff) 90%, transparent); -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px); border-bottom:1px solid var(--line); }
.catbar::-webkit-scrollbar { display:none; }
.catbar a { flex:none; font-family:var(--font-mono); font-size:.74rem; letter-spacing:.02em; color:var(--fg-soft); text-decoration:none; padding:8px 13px; border-radius:999px; border:1px solid var(--line); white-space:nowrap; transition:.15s; }
.catbar a:hover { border-color:var(--violet); color:var(--ink); }
.catbar a.is-active { background:var(--violet); border-color:var(--violet); color:#fff; }
html.has-notif .catbar { top:126px; }
html.has-notif .lib-side { top:162px; }