/* Custom scrollbar hide */
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
.scrollbar-hide::-webkit-scrollbar { display: none; }

/* Nav buttons */
.nav-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  font-size: 13px; font-weight: 500; color: #6b7280;
  white-space: nowrap; transition: all 0.2s;
  border: none; background: transparent; cursor: pointer;
}
.nav-btn:hover { background: #eff6ff; color: #2563eb; }
.nav-btn.active { background: #2563eb; color: white; }

/* Stat cards */
.stat-card {
  padding: 16px; border-radius: 12px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

/* Category filter */
.cat-filter-btn {
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 500;
  border: 1px solid #e5e7eb; background: white;
  color: #6b7280; white-space: nowrap; cursor: pointer;
  transition: all 0.2s;
}
.cat-filter-btn:hover { border-color: #3b82f6; color: #3b82f6; }
.cat-filter-btn.active { background: #3b82f6; color: white; border-color: #3b82f6; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease-out; }

/* Price tag */
.price-tag { 
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 6px;
  font-weight: 700; font-size: 14px;
}
.price-best { background: #dcfce7; color: #15803d; }
.price-worst { background: #fee2e2; color: #dc2626; }
.price-normal { background: #f3f4f6; color: #374151; }
.price-promo { background: #fef3c7; color: #d97706; }

/* Promo badge */
.promo-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 10px;
}

/* Alert card */
.alert-card { transition: all 0.2s; }
.alert-card:hover { transform: translateX(4px); }
.alert-unread { border-left: 4px solid #3b82f6; }
.alert-read { border-left: 4px solid #e5e7eb; opacity: 0.7; }

/* Lista item */
.lista-item.checked { opacity: 0.5; }
.lista-item.checked .item-name { text-decoration: line-through; }