.catalog-browser{width:100%;max-width:100%;margin:0 auto;padding:2rem}.catalog-header{text-align:center;margin-bottom:3rem}.catalog-title{font-size:3.5rem;font-weight:900;margin-bottom:.5rem;letter-spacing:-.02em}.gradient-text{background:var(--niche-gradient, linear-gradient(135deg, #10b981 0%, #3b82f6 100%));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;transition:background .5s ease}.catalog-subtitle{font-size:1.25rem;color:#94a3b8;font-weight:400}.catalog-loading,.products-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.1);border-top:4px solid var(--niche-primary, #10b981);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.niches-container{margin-bottom:3rem;padding:10px 0}.niches-grid{display:grid;gap:24px}@media(max-width:768px){.niches-grid{grid-template-columns:1fr;gap:16px}}@media(min-width:769px)and (max-width:1024px){.niches-grid{grid-template-columns:repeat(2,1fr);gap:20px}}@media(min-width:1025px){.niches-grid{grid-template-columns:repeat(3,1fr);gap:24px}}.niche-card{padding:24px;background:#fff;border-radius:16px;border:2px solid #f0f0f0;cursor:pointer;transition:all .3s;display:flex;flex-direction:column;justify-content:space-between;min-height:140px}.niche-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.niche-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.niche-icon{font-size:32px}.niche-name{font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em}.niche-count{font-size:15px;color:#94a3b8;display:flex;align-items:center;justify-content:space-between;width:100%;font-weight:500}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:#64748b;margin-bottom:24px}.breadcrumb-link{color:#3b82f6;cursor:pointer;transition:color .2s}.breadcrumb-link:hover{color:#2563eb;text-decoration:underline}.breadcrumb-separator{color:#94a3b8}.breadcrumb-current{color:#f8fafc;font-weight:500}.back-button{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#f8fafc;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;margin-bottom:24px}.back-button:hover{background:#ffffff1a;transform:translate(-4px)}.products-section{background:var(--section-bg, #0f172a);border-radius:32px;padding:3rem;min-height:600px;transition:background .5s ease;border:1px solid rgba(255,255,255,.05)}.products-header{margin-bottom:3rem;display:flex;justify-content:space-between;align-items:center}.products-header h2{font-size:2.25rem;font-weight:900;letter-spacing:-.02em}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}.product-card{background:#1e293b;border-radius:16px;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a;transition:all .3s cubic-bezier(.175,.885,.32,1.275);position:relative;border:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column}.product-card:hover{transform:scale(1.02);box-shadow:0 20px 25px -5px #0003;border-color:var(--card-accent)}.product-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-accent);z-index:10}.product-image-container{position:relative;width:100%;height:300px;overflow:hidden;background:#0f172a}.product-image{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.165,.84,.44,1)}.product-card:hover .product-image{transform:scale(1.1)}.no-image{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.badges-container{position:absolute;top:20px;right:20px;display:flex;flex-direction:column;gap:.75rem;z-index:5}.badge{padding:.6rem 1rem;border-radius:12px;font-size:.75rem;font-weight:800;color:#fff;box-shadow:0 10px 15px -3px #0000004d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-transform:uppercase;letter-spacing:.05em}.supplier-badge{position:absolute;bottom:20px;left:20px;background:#0f172acc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:.6rem 1rem;border-radius:12px;font-size:.75rem;font-weight:700;color:#fff;border:1px solid rgba(255,255,255,.1);z-index:5}.product-info{padding:1.5rem;flex:1;display:flex;flex-direction:column}.product-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:#fff;line-height:1.3;letter-spacing:-.01em}.product-description{font-size:.875rem;color:#94a3b8;margin-bottom:1rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-metrics{display:flex;gap:1rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.05)}.metric{display:flex;align-items:center;gap:.25rem;font-size:.875rem;font-weight:600;color:#cbd5e1}.metric-icon{font-size:1rem}.product-pricing{background:transparent;padding:0;border-radius:0;margin-bottom:1.5rem;border:none}.price-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.price-label{font-size:.875rem;color:#64748b;font-weight:500}.price-value{font-size:1.125rem;font-weight:700}.price-value.cost{color:#64748b;text-decoration:none;font-size:.875rem}.price-value.suggested{font-size:1.5rem}.profit-badge{margin-top:.5rem;padding:.5rem;border-radius:8px;text-align:center;color:#10b981;font-weight:700;font-size:.875rem;background:#10b9811a;border:1px solid rgba(16,185,129,.2);box-shadow:none}.product-actions{display:flex;flex-direction:column;gap:.5rem;margin-top:auto}.btn-add,.btn-details{flex:1;padding:.75rem 1rem;border-radius:8px;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .3s ease;text-align:center;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:.5rem;text-transform:none;letter-spacing:normal}.btn-add{border:none;color:#fff;box-shadow:0 10px 15px -3px #0003}.btn-add:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000004d;filter:brightness(1.1)}.btn-details{background:transparent;border:2px solid;color:#fff}.btn-details:hover{background:#ffffff0d}.empty-state{text-align:center;padding:6rem 2rem;border-radius:32px;display:flex;flex-direction:column;align-items:center}.empty-icon{margin-bottom:2rem;opacity:.3;filter:grayscale(1)}.empty-state h3{font-size:2rem;margin-bottom:1rem;color:#fff;font-weight:800}.empty-state p{color:#94a3b8;font-size:1.125rem;max-width:400px}@media(max-width:768px){.catalog-browser{padding:1rem}.catalog-title{font-size:2.5rem}.products-section{padding:1.5rem}.products-grid{grid-template-columns:1fr;gap:2rem}.niches-tabs{flex-wrap:nowrap}.niche-tab{padding:.875rem 1.25rem;font-size:.875rem}.product-actions{flex-direction:column}.product-image-container{height:240px}}