.thfg-gallery{display:grid;grid-template-columns:repeat(var(--thfg-columns,4),minmax(0,1fr));gap:16px;width:100%}.thfg-gallery .thfg-item{display:block;overflow:hidden;aspect-ratio:4/3;background:#f2f2f2;border-radius:3px}.thfg-gallery .thfg-item img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.thfg-gallery .thfg-item:hover img{transform:scale(1.035)}.thfg-error,.thfg-empty{padding:12px;border:1px solid #ddd;background:#fff}
.thfg-lightbox{position:fixed;inset:0;z-index:999999;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}.thfg-lightbox img{max-width:95vw;max-height:90vh;width:auto;height:auto;object-fit:contain}.thfg-lightbox button{position:absolute;top:12px;right:18px;color:#fff;background:transparent;border:0;font-size:36px;cursor:pointer}
.thfg-pdf-grid{display:grid;grid-template-columns:repeat(var(--thfg-columns,3),minmax(0,1fr));gap:18px;width:100%}.thfg-pdf-card{min-width:0;border:1px solid #e2e2e2;border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:box-shadow .2s,transform .2s}.thfg-pdf-card:hover{box-shadow:0 7px 20px rgba(0,0,0,.1);transform:translateY(-2px)}.thfg-pdf-open{display:flex;flex-direction:column;height:100%;padding:16px;color:inherit;text-decoration:none!important}.thfg-pdf-icon,.thfg-pdf-preview{height:150px;display:flex;align-items:center;justify-content:center;background:#f7f7f7;border-radius:5px;margin-bottom:14px;position:relative;overflow:hidden;color:#c73535}.thfg-pdf-icon svg{height:96px;width:86px;color:#c73535}.thfg-pdf-icon span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#c73535;color:#fff;font-size:13px;font-weight:800;padding:5px 9px;border-radius:3px}.thfg-pdf-preview img{width:100%;height:100%;object-fit:cover}.thfg-pdf-title{font-size:16px;line-height:1.4;font-weight:600;margin:0 0 8px;color:inherit;overflow-wrap:anywhere}.thfg-pdf-meta{font-size:12px;color:#777;margin-bottom:14px}.thfg-pdf-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:auto;padding:10px 14px;background:#333;color:#fff;border-radius:4px;font-size:14px;font-weight:600}.thfg-pdf-open:hover .thfg-pdf-button{background:#555;color:#fff}
@media(max-width:980px){.thfg-gallery{grid-template-columns:repeat(var(--thfg-tablet,3),minmax(0,1fr));gap:12px}.thfg-pdf-grid{grid-template-columns:repeat(var(--thfg-tablet,2),minmax(0,1fr));gap:12px}}@media(max-width:600px){.thfg-gallery{grid-template-columns:repeat(var(--thfg-mobile,2),minmax(0,1fr));gap:8px}.thfg-pdf-grid{grid-template-columns:repeat(var(--thfg-mobile,1),minmax(0,1fr));gap:10px}.thfg-pdf-open{padding:12px}.thfg-pdf-icon,.thfg-pdf-preview{height:120px}}
.thfg-pdf-canvas-wrap{background:#f5f5f5;color:#777;min-height:120px}.thfg-pdf-canvas-wrap canvas{display:block;max-width:100%;height:auto!important;object-fit:contain;background:#fff;box-shadow:0 1px 5px rgba(0,0,0,.12)}.thfg-pdf-canvas-wrap.thfg-pdf-preview-ready{height:auto;min-height:150px;padding:8px;box-sizing:border-box}.thfg-pdf-loading{position:absolute;inset:auto 8px 8px;text-align:center;font-size:11px;color:#666;background:rgba(255,255,255,.88);padding:4px;border-radius:3px}.thfg-pdf-preview-error:after{content:'PDF';font-weight:800;color:#c73535;font-size:26px}.thfg-pdf-preview-error canvas,.thfg-pdf-preview-error .thfg-pdf-loading{display:none}
/* Navegación por subcarpetas */
.thfg-folder-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 14px;padding:10px 12px;background:#f7f7f7;border:1px solid #e5e5e5;border-radius:5px;font-size:13px;color:#555}.thfg-folder-up{font-weight:600;text-decoration:none}.thfg-folder-grid{margin-bottom:18px}.thfg-folder-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-width:0;min-height:145px;padding:14px;box-sizing:border-box;border:1px solid #e2e2e2;border-radius:7px;background:#fff;color:inherit;text-align:center;text-decoration:none!important;transition:transform .2s,box-shadow .2s,border-color .2s}.thfg-folder-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.09);border-color:#c8c8c8;color:inherit}.thfg-folder-icon{display:flex;width:68px;height:56px;align-items:center;justify-content:center;color:#e5ad35}.thfg-folder-icon svg{display:block;width:64px;height:52px}.thfg-folder-name{font-size:15px;font-weight:650;line-height:1.35;overflow-wrap:anywhere}.thfg-folder-hint{font-size:12px;color:#777}.thfg-folder-grid .thfg-folder-card{aspect-ratio:auto!important;height:auto!important}