/* assets/square_full.css — квадратные плитки 2–5 колонок, тёмная тема */
.square-shelf{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;list-style:none;padding:0;margin:20px 0}
@media(min-width:480px){.square-shelf{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}}
@media(min-width:960px){.square-shelf{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}
.square-book{background:#0f0f0f;border:1px solid #1a1a1a;border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.45);display:flex;flex-direction:column;transition:transform .1s ease}
.square-book:hover{transform:translateY(-2px)}
.square-cover{width:100%;aspect-ratio:1/1;object-fit:cover;background:#111;display:block}
.square-body{padding:10px 12px}
.square-title{font-size:15px;font-weight:800;line-height:1.2}
.square-author{font-size:12px;opacity:.85}
.square-actions{margin-top:6px;display:flex;gap:8px;flex-wrap:wrap}
.square-btn{display:inline-block;padding:6px 9px;border-radius:10px;border:1px solid #1a1a1a;background:#111;font-weight:700}
.square-price{margin-left:auto;font-size:12px;color:#d9d9d9}