/* Browse hub — nested category/coin cards */
.browse-hero{max-width:900px;margin:0 auto;padding:48px 20px 32px;text-align:center;}
.browse-breadcrumb{font-size:0.8rem;color:var(--tm);margin-bottom:16px;text-align:left;max-width:1280px;margin-left:auto;margin-right:auto;padding:0 20px;}
.browse-breadcrumb a{color:var(--tm);}
.browse-hero h1{font-family:var(--fd);font-size:2.1rem;font-weight:800;margin-bottom:12px;}
.browse-sub{color:var(--ts);font-size:1.05rem;margin-bottom:28px;line-height:1.6;}
.browse-search{max-width:640px;margin:0 auto 20px;position:relative;}
.browse-search input{width:100%;box-sizing:border-box;background:var(--card);border:1.5px solid var(--bd);border-radius:14px;padding:16px 20px;color:var(--tp);font-family:var(--f);font-size:1rem;outline:none;transition:border-color .2s,box-shadow .2s;}
.browse-search input:focus{border-color:var(--ac);box-shadow:0 0 0 4px rgba(0,212,170,.12);}
.browse-search input::placeholder{color:var(--tm);}
.browse-stats{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;font-size:.85rem;color:var(--ts);}
.browse-stats strong{color:var(--ac);font-family:var(--fd);}

.cat-cards-section{max-width:1280px;margin:0 auto;padding:0 20px 64px;}
.cat-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;}

.cat-card{background:var(--card);border:1.5px solid var(--bd);border-radius:16px;overflow:hidden;transition:border-color .2s;}
.cat-card.is-open{border-color:var(--cc,var(--ac));grid-column:1/-1;}
.cat-card__head{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--f);}
.cat-card__icon{font-size:1.7rem;flex-shrink:0;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--cc,var(--ac)) 15%,transparent);}
.cat-card__info{flex:1;min-width:0;}
.cat-card__name{display:block;font-family:var(--fd);font-weight:700;font-size:1.02rem;color:var(--tp);}
.cat-card__count{display:block;font-size:.8rem;color:var(--tm);margin-top:2px;}
.cat-card__chevron{font-size:1.4rem;color:var(--tm);transition:transform .25s;flex-shrink:0;}
.cat-card.is-open .cat-card__chevron{transform:rotate(90deg);color:var(--cc,var(--ac));}
.cat-card__head:hover .cat-card__name{color:var(--cc,var(--ac));}

.cat-card__panel{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;padding:0 20px 20px;animation:panelIn .25s ease;}
.cat-card__panel[hidden]{display:none;}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

.coin-mini-card{display:flex;flex-direction:column;gap:4px;padding:12px 14px;border-radius:10px;background:var(--surf);border:1px solid var(--bd);text-decoration:none;transition:border-color .2s,background .2s;}
.coin-mini-card:hover{border-color:var(--ac);background:rgba(0,212,170,.06);text-decoration:none;}
.coin-mini-card__name{font-family:var(--fd);font-weight:600;font-size:.92rem;color:var(--tp);}
.coin-mini-card__ticker{font-size:.72rem;color:var(--tm);font-weight:500;font-family:var(--f);}
.coin-mini-card__desc{font-size:.78rem;color:var(--ts);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

@media(max-width:640px){
  .browse-hero h1{font-size:1.6rem;}
  .cat-cards-grid{grid-template-columns:1fr;}
  .cat-card__panel{grid-template-columns:1fr;}
  .browse-stats{gap:14px;font-size:.8rem;}
}