/* ============================================================
   Botones, Tarjetas, Filtros, Detalle de material
   ============================================================ */

/* ---------- BOTONES ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--r-sm); font-weight: 600; font-size: 0.92rem;
  border: 1px solid transparent; transition: all var(--ease); white-space: nowrap;
}
.btn-lg { padding: 13px 26px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow-blue); }
.btn-primary:hover { background: var(--blue-600); transform: translateY(-1px); }
.btn-outline { border-color: var(--border-2); color: var(--text); background: var(--surface); }
.btn-outline:hover { border-color: var(--blue-400); color: var(--blue-300); }
.btn-ghost { color: var(--text-muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); background: var(--surface); }

/* ---------- CATEGORÍAS (home) ---------- */
.category-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.cat-card {
  display: flex; flex-direction: column; gap: 10px; padding: 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  transition: all var(--ease); position: relative; overflow: hidden;
}
.cat-card:hover { border-color: var(--blue-600); transform: translateY(-3px); }
.cat-thumb { height: 64px; border-radius: var(--r-sm); }
.cat-card h3 { font-size: 0.95rem; }
.cat-card span { font-size: 0.78rem; color: var(--text-dim); }

/* ---------- SEG TABS ---------- */
.seg-tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-pill); padding: 4px; gap: 2px; }
.seg-tabs button { padding: 7px 16px; border-radius: var(--r-pill); font-size: 0.86rem; font-weight: 600; color: var(--text-muted); }
.seg-tabs button.active { background: var(--blue); color: #fff; }

/* ---------- GRID DE MATERIALES ---------- */
.material-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.mat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  overflow: hidden; transition: all var(--ease); display: flex; flex-direction: column;
}
.mat-card:hover { border-color: var(--blue-600); transform: translateY(-4px); box-shadow: var(--shadow-md); }

.mat-thumb { position: relative; aspect-ratio: 1 / 1; overflow: hidden; }
.mat-thumb .swatch { width: 100%; height: 100%; transition: transform 0.4s ease; }
.mat-card:hover .swatch { transform: scale(1.06); }

.mat-badges { position: absolute; top: 8px; left: 8px; display: flex; gap: 6px; }
.badge { font-size: 0.68rem; font-weight: 700; padding: 3px 8px; border-radius: var(--r-pill); letter-spacing: 0.03em; backdrop-filter: blur(6px); }
.badge-res { background: rgba(6,8,13,0.7); color: var(--blue-300); border: 1px solid var(--border-2); }
.badge-free { background: var(--green); color: #04241a; }
.badge-pro { background: var(--amber); color: #3a2a00; }

.mat-fav { position: absolute; top: 8px; right: 8px; width: 30px; height: 30px; border-radius: 50%; background: rgba(6,8,13,0.6); display: grid; place-items: center; color: var(--text-muted); font-size: 0.95rem; opacity: 0; transition: all var(--ease); }
.mat-card:hover .mat-fav { opacity: 1; }
.mat-fav:hover { color: var(--blue-300); }
.mat-fav.on { color: #ff5b8a; opacity: 1; }

.mat-body { padding: 12px 14px 14px; }
.mat-name { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.mat-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--text-dim); }
.mat-cat { color: var(--blue-300); }
.mat-maps { display: flex; gap: 4px; margin-top: 10px; flex-wrap: wrap; }
.map-tag { font-size: 0.64rem; font-weight: 600; color: var(--text-muted); border: 1px solid var(--border); padding: 2px 6px; border-radius: 4px; }

/* ---------- FILTROS (sidebar) ---------- */
.filters { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; position: sticky; top: calc(var(--header-h) + 16px); }
.filters-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.filters-head h2 { font-size: 1.05rem; }
.link-clear { color: var(--blue-300); font-size: 0.82rem; font-weight: 600; }
.link-clear:hover { color: var(--blue); }
.filter-group { padding: 16px 0; border-top: 1px solid var(--border); }
.filter-group h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 12px; }
.filter-list { display: flex; flex-direction: column; gap: 9px; }

.check { display: flex; align-items: center; gap: 9px; font-size: 0.9rem; color: var(--text-muted); cursor: pointer; transition: color var(--ease); }
.check:hover { color: var(--text); }
.check input { width: 16px; height: 16px; accent-color: var(--blue); cursor: pointer; }
.check .count { margin-left: auto; font-size: 0.78rem; color: var(--text-dim); }

.chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font-size: 0.8rem; padding: 5px 12px; border-radius: var(--r-pill); border: 1px solid var(--border-2); color: var(--text-muted); transition: all var(--ease); }
.chip:hover { border-color: var(--blue-400); color: var(--text); }
.chip.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ---------- TOOLBAR DE RESULTADOS ---------- */
.results-toolbar { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.filters-toggle { display: none; padding: 9px 16px; border: 1px solid var(--border-2); border-radius: var(--r-sm); color: var(--text); font-weight: 600; }
.active-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-right: auto; }
.active-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; padding: 4px 10px; background: var(--blue-soft); border: 1px solid var(--border-2); border-radius: var(--r-pill); color: var(--blue-300); }
.active-chip button { color: inherit; font-size: 0.95rem; line-height: 1; }
.sort-wrap { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.sort-wrap select { background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--r-sm); padding: 8px 12px; font-size: 0.85rem; }

/* ---------- EMPTY ---------- */
.empty-state { text-align: center; padding: 70px 20px; }
.empty-emoji { font-size: 3rem; }
.empty-state h3 { margin: 12px 0 6px; }
.empty-state .btn { margin-top: 20px; }
.load-more-wrap { text-align: center; margin-top: 36px; }
.loading { padding: 80px 0; text-align: center; color: var(--text-muted); }

/* ============================================================
   DETALLE DE MATERIAL
   ============================================================ */
.mat-detail { display: grid; grid-template-columns: 1.3fr 1fr; gap: 36px; padding: 32px 0 50px; }
.breadcrumb { display: flex; gap: 8px; font-size: 0.85rem; color: var(--text-dim); padding-top: 24px; }
.breadcrumb a:hover { color: var(--blue-300); }

.detail-preview { position: sticky; top: calc(var(--header-h) + 20px); align-self: start; }
.detail-hero { aspect-ratio: 1 / 1; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); }
.detail-hero .swatch { width: 100%; height: 100%; }
.detail-maps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 12px; }
.map-thumb { aspect-ratio: 1; border-radius: var(--r-sm); border: 1px solid var(--border); overflow: hidden; cursor: pointer; position: relative; }
.map-thumb span { position: absolute; bottom: 2px; left: 0; right: 0; text-align: center; font-size: 0.6rem; color: var(--text); background: rgba(6,8,13,0.65); padding: 1px; }
.map-thumb.active { border-color: var(--blue); }

.detail-info h1 { font-size: 2rem; margin-bottom: 8px; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }
.detail-tags .chip { cursor: default; }
.detail-desc { color: var(--text-muted); margin-bottom: 26px; }

.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 26px; }
.spec-table td { padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.spec-table td:first-child { color: var(--text-dim); width: 42%; }
.spec-table td:last-child { color: var(--text); font-weight: 500; }

.download-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; }
.download-box h3 { margin-bottom: 14px; font-size: 1.05rem; }
.res-options { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.res-opt { padding: 9px 16px; border: 1px solid var(--border-2); border-radius: var(--r-sm); font-size: 0.88rem; font-weight: 600; color: var(--text-muted); }
.res-opt.active { background: var(--blue-soft); border-color: var(--blue); color: var(--blue-300); }
.res-opt:hover { border-color: var(--blue-400); }
.download-meta { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--text-dim); margin-bottom: 16px; }

@media (max-width: 980px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .material-grid { grid-template-columns: repeat(3, 1fr); }
  .mat-detail { grid-template-columns: 1fr; }
  .detail-preview { position: static; }
}
@media (max-width: 860px) {
  .filters { display: none; position: fixed; inset: 0; z-index: 60; border-radius: 0; overflow-y: auto; }
  .filters.open { display: block; }
  .filters-toggle { display: inline-flex; align-items: center; gap: 6px; }
}
@media (max-width: 680px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .material-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-maps { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 420px) {
  .material-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}

/* ============================================================
   AÑADIDOS: rating, colecciones, selección, 3D, reseñas
   ============================================================ */

/* ---------- Estrellas / rating ---------- */
.stars { display: inline-flex; gap: 1px; vertical-align: middle; }
.star { color: #394764; font-size: 0.92rem; line-height: 1; }
.star.on { color: var(--amber); }
.stars.sm .star { font-size: 0.78rem; }
.mat-rating { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.rating-n { font-size: 0.74rem; color: var(--text-dim); }

/* ---------- Casilla de selección en tarjeta ---------- */
.mat-card { position: relative; }
.mat-select { display: none; position: absolute; top: 8px; right: 8px; z-index: 3;
  width: 26px; height: 26px; border-radius: 7px; background: rgba(6,8,13,0.7);
  border: 1px solid var(--border-2); cursor: pointer; }
.mat-select input { width: 100%; height: 100%; margin: 0; cursor: pointer; accent-color: var(--blue); }
.material-grid.selecting .mat-select { display: grid; place-items: center; }
.material-grid.selecting .mat-fav { display: none; }
.mat-card.selected { border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue-soft); }

.select-toggle { padding: 8px 14px; border: 1px solid var(--border-2); border-radius: var(--r-sm);
  color: var(--text-muted); font-size: 0.85rem; font-weight: 600; }
.select-toggle:hover { border-color: var(--blue-400); color: var(--text); }
.select-toggle.active { background: var(--blue-soft); border-color: var(--blue); color: var(--blue-300); }

/* ---------- Barra flotante de descarga en lote ---------- */
.batch-bar { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 70;
  display: flex; align-items: center; gap: 20px; padding: 12px 16px 12px 22px;
  background: var(--surface-2); border: 1px solid var(--border-2); border-radius: var(--r-pill);
  box-shadow: var(--shadow-md); }
.batch-bar #batch-count { font-weight: 600; font-size: 0.9rem; }
.batch-actions { display: flex; gap: 8px; }

/* ---------- Colecciones ---------- */
.collections-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.collection-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; transition: transform var(--ease), border-color var(--ease); display: flex; flex-direction: column; }
.collection-card:hover { transform: translateY(-4px); border-color: var(--accent, var(--blue-600)); }
.col-mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; aspect-ratio: 2 / 1; background: var(--border); }
.col-tile { overflow: hidden; }
.col-tile .swatch { width: 100%; height: 100%; }
.col-body { padding: 18px 20px 20px; }
.col-title { display: flex; align-items: center; gap: 10px; }
.col-ico { font-size: 1.3rem; }
.col-title h3 { font-size: 1.1rem; }
.col-body .muted { font-size: 0.88rem; margin: 8px 0 14px; }
.col-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px solid var(--border); }
.col-count { font-size: 0.82rem; color: var(--text-dim); }
.col-go { font-size: 0.85rem; font-weight: 600; color: var(--accent, var(--blue-300)); }

/* ---------- Vista previa 3D ---------- */
.detail-hero { position: relative; }
.hero-surface { width: 100%; height: 100%; }
.hero-surface .swatch { width: 100%; height: 100%; }
.canvas3d { width: 100%; height: 100%; display: block; background:
  radial-gradient(circle at 50% 40%, #131c2e, #06080d 80%); }
.btn-3d { position: absolute; bottom: 12px; right: 12px; z-index: 4;
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px;
  background: rgba(6,8,13,0.72); backdrop-filter: blur(8px);
  border: 1px solid var(--border-2); border-radius: var(--r-pill);
  color: var(--text); font-size: 0.82rem; font-weight: 600; transition: all var(--ease); }
.btn-3d:hover:not(:disabled) { border-color: var(--blue-400); color: var(--blue-300); }
.btn-3d.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-3d:disabled { opacity: 0.45; cursor: not-allowed; }

/* ---------- Detalle: subtítulo con rating ---------- */
.detail-sub { color: var(--text-muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.detail-sub a { color: var(--blue-300); }
.inline-rating { display: inline-flex; align-items: center; gap: 8px; }
.inline-rating span { font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Reseñas ---------- */
.reviews { padding: 20px 0 40px; }
.reviews-layout { display: grid; grid-template-columns: 200px 1fr; gap: 30px; align-items: start; }
.reviews-summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 24px; text-align: center; }
.big-rating { font-size: 3rem; font-weight: 800; line-height: 1; margin-bottom: 8px; }
.reviews-summary .stars { font-size: 1.1rem; margin-bottom: 6px; }

.review-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 20px; margin-bottom: 22px; }
.review-form h3 { font-size: 1rem; margin-bottom: 12px; }
.star-input { display: flex; gap: 4px; margin-bottom: 12px; }
.star-btn { font-size: 1.6rem; color: #394764; line-height: 1; transition: color var(--ease); }
.star-btn.on, .star-btn:hover { color: var(--amber); }
.review-form textarea { width: 100%; padding: 12px 14px; background: var(--bg-2);
  border: 1px solid var(--border-2); border-radius: var(--r-sm); color: var(--text);
  font: inherit; font-size: 0.92rem; resize: vertical; margin-bottom: 12px; }
.review-form textarea:focus { border-color: var(--blue); outline: none; }
.review-login { background: var(--surface); border: 1px dashed var(--border-2); border-radius: var(--r-md);
  padding: 18px; text-align: center; color: var(--text-muted); margin-bottom: 22px; }
.review-login a { color: var(--blue-300); font-weight: 600; }

.review-list { display: flex; flex-direction: column; gap: 16px; }
.review { display: flex; gap: 14px; }
.review-avatar { flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--blue-600)); color: #fff; font-weight: 700; }
.review-body { flex: 1; }
.review-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.review-date { font-size: 0.78rem; color: var(--text-dim); margin-left: auto; }
.review-body p { color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Historial de descargas ---------- */
.history-table { width: 100%; border-collapse: collapse; }
.history-table th { text-align: left; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); padding: 8px 10px; border-bottom: 1px solid var(--border); }
.history-table td { padding: 10px; border-bottom: 1px solid var(--border); font-size: 0.88rem; vertical-align: middle; }
.history-table .row-thumb { width: 46px; }
.history-table .row-thumb svg { width: 38px; height: 38px; border-radius: 6px; }
.history-table a:hover { color: var(--blue-300); }

@media (max-width: 860px) {
  .collections-grid { grid-template-columns: 1fr; }
  .reviews-layout { grid-template-columns: 1fr; }
  .reviews-summary { display: flex; align-items: center; gap: 16px; text-align: left; }
  .big-rating { margin: 0; }
}