/* Virgule library — catalogue layer.
   The catalogue is a learning launchpad, not a generic card wall. */

.bib-main { counter-reset: chapter; }
/* Literal visual mapping: the library scene is a page-level orientation cue, not a generic decorative background. */
.bib-hero { position:relative; overflow:hidden; }
.page-hero > .bib-hero-art { position:absolute; inset-inline-end:0; inset-block-start:0; width:clamp(150px,24vw,240px); height:100%; opacity:.24; pointer-events:none; }
.bib-hero-art img { display:block; width:100%; height:100%; object-fit:cover; object-position:center; }
.bib-hero > :not(.bib-hero-art) { position:relative; z-index:1; }
@media(max-width:767px){ .bib-hero-art{width:170px;opacity:.2;} }
@media(prefers-reduced-motion:reduce){ .bib-hero-art img{transition:none;} }
.bib-section { position:relative; }
.bib-section-head { position:relative; padding-block:4px 12px; }
.bib-section-head::after { content:''; position:absolute; inset-inline:0; inset-block-end:0; height:1px; background:var(--craie-doree-border); }
.bib-section-icon { color:var(--craie-doree); }
.bib-section-name { letter-spacing:-.01em; }
.bib-compteurs { font-variant-numeric:tabular-nums; }
.bib-num { color:var(--craie-doree); font-weight:500; }

.bib-grid { counter-reset:chapter; }
.bib-card { min-height:150px; display:flex; flex-direction:column; justify-content:space-between; overflow:hidden; }
.bib-card::before {
  counter-increment:chapter; content:counter(chapter,decimal-leading-zero);
  position:absolute; inset-block-start:18px; inset-inline-end:18px;
  color:var(--craie-doree-border); font-family:var(--font-head); font-size:11px; letter-spacing:.08em;
}
.bib-card::after { top:auto; bottom:18px; inset-inline-end:18px; }
.bib-card-line1 { margin-top:4px; padding-inline-end:28px; }
.bib-card-title { transition:color .18s ease; }
.bib-card-line2 { margin-top:auto; padding-top:14px; }
.bib-card:hover { background:rgba(217,168,87,.055); }
.bib-card:hover::before { color:var(--craie-doree); }
.bib-card:focus-visible { outline:2px solid var(--craie-doree); outline-offset:3px; }

.bib-next { position:relative; overflow:hidden; }
.bib-next::before { content:''; position:absolute; inset-block:0; inset-inline-start:0; width:3px; background:var(--craie-doree); }
.bib-next-kicker { letter-spacing:.14em; }
.bib-next-action { transition:transform .18s ease,background-color .18s ease; }
.bib-next-action:hover { transform:translateY(-1px); }

.bib-invite { color:var(--craie-pale-vive); }
.bib-invite::before { opacity:.8; }

.bib-toggle { position:relative; }
.bib-toggle-btn { transition:background-color .18s ease,color .18s ease; }
.bib-toggle-btn:not(.active):hover { color:var(--craie); background:rgba(255,255,255,.035); }

.vgl-empty { border-block:1px solid var(--card-border); padding:24px 4px; }
.vgl-empty-text { color:var(--craie-pale-vive); }

@media (min-width:768px) {
  .bib-main { max-width:1000px; }
  .bib-grid { gap:14px; }
  .bib-card { padding:22px; }
  .bib-section { padding-block:44px; }
  .bib-next { max-width:1000px; margin-inline:auto; }
}

@media (max-width:767px) {
  .bib-card { min-height:138px; }
  .bib-card-line2 { padding-top:12px; }
  .bib-next { border-radius:var(--radius-lg); }
}

@media (prefers-reduced-motion:reduce) {
  .bib-card-title,.bib-next-action,.bib-toggle-btn { transition:none; }
}


/* Library convergence — catalogue as an editorial instrument, not a card wall. */
.bib-hero {
  min-height: clamp(280px, 34vw, 420px);
  display: grid;
  align-content: end;
  padding: clamp(28px, 6vw, 72px) clamp(18px, 5vw, 56px);
  border-bottom: 1px solid var(--craie-doree-border);
  background-color: var(--ardoise, #101d19);
}
.bib-hero-art::after { content:''; position:absolute; inset:0; background:rgba(8,20,12,.68); pointer-events:none; }
.bib-hero h1 { max-width: 12ch; font-size: clamp(42px, 7vw, 78px); line-height: .98; letter-spacing: -.045em; }
.bib-hero h1 em { color: var(--craie-doree); font-style: normal; }
.bib-hero-sub { max-width: 620px; font-size: clamp(14px, 1.5vw, 17px); line-height: 1.7; }
.bib-toolbar {
  position: sticky;
  top: 72px;
  z-index: 8;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  width: min(100% - 32px, 1000px);
  margin: 0 auto;
  padding: 14px 0;
  background: var(--ardoise);
  border-bottom: 1px solid var(--vgl-v3-line);
}
.bib-toggle { display:flex; gap:4px; padding:3px; border:1px solid var(--vgl-v3-line); border-radius:var(--radius-pill); }
.bib-toggle-btn { min-height:38px; padding:0 14px; border:0; border-radius:var(--radius-pill); background:transparent; color:var(--craie-pale); font:500 12px var(--font-body,'DM Sans',sans-serif); }
.bib-toggle-btn.active { background:var(--craie-doree); color:var(--ardoise); }
.bib-help { margin:0; color:var(--craie-pale-vive); font-size:12px; line-height:1.5; }
.bib-main { padding-bottom:80px; }
.bib-invite { padding:28px 0 4px; font-size:12px; letter-spacing:.1em; text-transform:uppercase; }
.bib-section-head { display:grid; grid-template-columns:auto 1fr auto; gap:10px; align-items:center; }
.bib-section-name { font-family:var(--font-head,'Syne',sans-serif); font-size:clamp(24px,3vw,34px); }
.bib-section-name-ar { display:none; }
.bib-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
.bib-card { position:relative; border:1px solid var(--vgl-v3-line); border-radius:var(--radius-md); background:var(--vgl-v3-surface); transition:transform .2s var(--vgl-ease), border-color .2s ease, background-color .2s ease; }
.bib-card::after { content:'↗'; color:var(--craie-doree-border); font-size:14px; }
.bib-card:hover { transform:translateY(-3px); border-color:var(--craie-doree-border); }
.bib-card-icon { color:var(--craie-doree); }
.bib-card-title { font-family:var(--font-head,'Syne',sans-serif); font-size:18px; line-height:1.2; }
.bib-chip { border-color:var(--vgl-v3-line); background:transparent; }
.bib-next { margin-top:24px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.bib-next-title { max-width:24ch; }
.bib-next-action { white-space:nowrap; min-height:46px; display:inline-flex; align-items:center; padding:0 20px; border-radius:var(--radius-pill); background:var(--craie-doree); color:var(--ardoise); }
@media(max-width:767px){
  .bib-hero { min-height:360px; padding:24px 16px 32px; background:rgba(8,20,12,.72); }
  .bib-hero h1 { font-size:clamp(40px,13vw,58px); }
  .bib-toolbar { top:64px; width:100%; padding:10px 16px; grid-template-columns:1fr; gap:8px; }
  .bib-toggle { width:max-content; max-width:100%; overflow:auto; }
  .bib-help { display:none; }
  .bib-main { width:calc(100% - 32px); }
  .bib-section { padding-block:32px; }
  .bib-section-head { grid-template-columns:auto 1fr; }
  .bib-compteurs { grid-column:2; }
  .bib-grid { grid-template-columns:1fr; gap:10px; }
  .bib-card { min-height:132px; }
  .bib-card-title { font-size:17px; }
  .bib-next { flex-direction:column; align-items:stretch; }
  .bib-next-action { justify-content:center; }
}
@media(prefers-reduced-motion:reduce){ .bib-card,.bib-card-title,.bib-next-action { transition:none; } .bib-card:hover,.bib-next-action:hover { transform:none; } }