/* Mobile: Masonry effect */
.mobile-masonry-container { width: 100%; max-width: 100vw; overflow: hidden; }
.mobile-masonry-col { 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
    flex: 1; 
    min-width: 0; 
    width: 50%; 
}

/* Default: Hide Desktop Grid on Mobile */
.pc-grid-view { display: none; }

/* Desktop: Forced Visibility */
@media (min-width: 768px) {
    .mobile-masonry-container { display: none !important; }
    .pc-grid-view { 
        display: grid !important; 
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important; 
        justify-items: center !important;
        align-items: stretch !important;
        gap: 24px !important;
    }
    .pc-grid-view > div { width: 100%; max-width: 300px; }
}
@media (min-width: 1024px) {
    .pc-grid-view { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}
@media (min-width: 1280px) {
    .pc-grid-view { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
}

/* Staggered Grid for Mobile (Carlos Fix: Performance Zig-Zag) */
@media (max-width: 767px) {
    #product-list > div:nth-child(even) { 
        transform: translateY(16px); 
        will-change: transform;
    }
    #product-list { padding-bottom: 24px; }
}

/* Pause on hover for PC, but still clickable */
.marquee-container:hover .marquee-content {
    animation-play-state: paused;
}

.discovery-card-min { 
    background: white;
    border-radius: 20px;
    border: 1px solid #f1f5f9;
    transition: transform 0.3s ease;
    width: 120px;
    height: 120px;
    min-width: 120px;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    flex-shrink: 0;
}
@media (min-width: 768px) {
    .discovery-card-min { width: 160px; height: 160px; padding: 20px; }
    .marquee-content { gap: 24px; }
}
.discovery-card-min:hover {
    transform: scale(1.05);
    border-color: #4f46e5;
}

/* Loading Overlay */
#catalog-loader {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
#catalog-loader.active { display: flex; opacity: 1; }

.premium-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f4f6;
    border-top: 3px solid #4f46e5;
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.marquee-track { display: flex; width: max-content; }
.marquee-to-right { animation: marqueeRight 40s linear infinite; }
.marquee-to-left { animation: marqueeLeft 40s linear infinite; }
@keyframes marqueeRight { 0% { transform: translateX(-50%); } 100% { transform: translateX(0); } }
@keyframes marqueeLeft { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { 
    -ms-overflow-style: none; 
    scrollbar-width: none; 
    contain: content; /* Optimize rendering for horizontally scrollable items */
}