.c27-papers-grid { display:grid; gap:12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.c27-paper-card { border:1px solid #ddd; border-radius:10px; padding:12px; background:#fff; }
.c27-paper-card.active { border-color:#1b6dc1; box-shadow:0 0 0 2px rgba(27,109,193,.15); }
.c27-paper-swatch { width:100%; max-height:140px; object-fit:cover; border-radius:8px; }