/* File: assets/css/bca-public.css */
/* UI KIT tokens (Master Book) — Palette sable beige & arbre marron */
:root{
  --bca-brown:#39322c; /* Arbre marron */
  --bca-beige:#ddc5a7; /* Sable beige */
  --bca-bg:#ffffff;
  --bca-text:#1b1b1b;
  --bca-muted:#666;
  --bca-radius:16px;
  --bca-shadow:0 8px 24px rgba(0,0,0,.08);
  --bca-font:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
@media (prefers-color-scheme: dark){
  :root{
    --bca-bg:#0f0f0f;
    --bca-text:#eaeaea;
    --bca-muted:#bbb;
    --bca-shadow:0 8px 24px rgba(0,0,0,.3);
  }
}
*,*::before,*::after{box-sizing:border-box}
.bca-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8rem 1.1rem;border-radius:999px;text-decoration:none;font-weight:700;border:2px solid var(--bca-brown);
  transition:.2s ease;cursor:pointer
}
.bca-btn--solid{background:var(--bca-brown);color:var(--bca-beige)}
.bca-btn--solid:hover{filter:brightness(1.05)}
.bca-btn--ghost{background:transparent;color:var(--bca-brown)}
.bca-btn--ghost:hover{background:color-mix(in oklab, var(--bca-brown) 8%, transparent)}

.bca-hero{isolation:isolate;background:linear-gradient(160deg,var(--bca-beige),#fff);border-radius:var(--bca-radius);padding:6rem 1rem;margin:1rem auto;box-shadow:var(--bca-shadow)}
.bca-hero__inner{max-width:1100px;margin-inline:auto;text-align:center}
.bca-hero__logo{width:84px;height:84px;border-radius:50%;object-fit:cover;box-shadow:var(--bca-shadow);margin-bottom:1rem}
.bca-hero h1{font-size:clamp(2rem,4vw,3rem);color:var(--bca-brown);margin:.25rem 0}
.bca-hero__sub{color:var(--bca-text);opacity:.8;margin:.5rem 0 1.25rem}
.bca-hero__cta{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}

.bca-map-platform{display:grid;grid-template-columns:320px 360px 1fr;gap:16px;align-items:stretch}
.bca-map-platform__filters,.bca-map-platform__list{background:var(--bca-bg);border-radius:var(--bca-radius);box-shadow:var(--bca-shadow);padding:1rem;overflow:auto;max-height:80vh}
.bca-filter{display:grid;gap:.35rem;margin:.6rem 0}
.bca-filter label{font-weight:700;color:var(--bca-brown)}
.bca-filter input,.bca-filter select{padding:.65rem .8rem;border-radius:12px;border:1px solid color-mix(in oklab, var(--bca-brown) 25%, #fff);background:transparent;color:inherit;outline:none}
.bca-list-empty{padding:1rem;color:var(--bca-muted)}
.bca-card{display:grid;grid-template-columns:84px 1fr;gap:.8rem;padding:.6rem;border-radius:12px;transition:.2s;background:color-mix(in oklab, #000 4%, transparent)}
.bca-card:hover{background:color-mix(in oklab, #000 8%, transparent)}
.bca-card__img{width:84px;height:84px;object-fit:cover;border-radius:10px}
.bca-card__title{margin:.1rem 0;font-size:1rem;color:var(--bca-brown)}
.bca-card__meta{margin:0;color:var(--bca-muted);font-size:.9rem}
.bca-map-platform__map{border-radius:var(--bca-radius);box-shadow:var(--bca-shadow);overflow:hidden}

@media (max-width: 1100px){
  .bca-map-platform{grid-template-columns:1fr;grid-auto-rows:auto}
  .bca-map-platform__filters,.bca-map-platform__list{max-height:unset}
  .bca-map-platform__map{height:70vh}
}

/* Docs */
.bca-docs{max-width:1100px;margin:2rem auto;padding:1rem}
.bca-docs__header h2{margin:.5rem 0;color:var(--bca-brown)}
.bca-tabs{display:flex;gap:.5rem;margin:1rem 0}
.bca-tab{padding:.6rem 1rem;border-radius:999px;border:1px solid var(--bca-brown);background:transparent;cursor:pointer}
.bca-tab.is-active{background:var(--bca-brown);color:var(--bca-beige)}
.bca-panel{display:none;background:var(--bca-bg);border-radius:var(--bca-radius);box-shadow:var(--bca-shadow);padding:1rem}
.bca-panel.is-active{display:block}
.bca-doc{padding:1rem;border-bottom:1px solid color-mix(in oklab, var(--bca-brown) 20%, transparent)}
.bca-doc:last-child{border-bottom:none}
.bca-doc__title{margin:.25rem 0;color:var(--bca-brown);font-size:1.05rem}
.bca-empty{color:var(--bca-muted)}