@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:rgba(17,24,39,0.8);--bg-glass:rgba(255,255,255,0.05);--border-glass:rgba(255,255,255,0.1);--text-primary:#f9fafb;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-blue:#3b82f6;--accent-blue-glow:rgba(59,130,246,0.3);--accent-purple:#8b5cf6;--accent-emerald:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--gradient-primary:linear-gradient(135deg,#3b82f6,#8b5cf6);--gradient-card:linear-gradient(135deg,rgba(59,130,246,0.1),rgba(139,92,246,0.05));--shadow-glow:0 0 40px rgba(59,130,246,0.15);--cat-cao-cap:#f59e0b;--cat-trung-cap:#8b5cf6;--cat-pho-thong:#10b981;--radius:12px;--radius-lg:16px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}[data-theme=light]{--bg-primary:#f0f2f5;--bg-secondary:#ffffff;--bg-card:rgba(255,255,255,0.9);--bg-glass:rgba(0,0,0,0.03);--border-glass:rgba(0,0,0,0.12);--text-primary:#1a1a2e;--text-secondary:#4b5563;--text-muted:#6b7280;--accent-blue:#2563eb;--accent-blue-glow:rgba(37,99,235,0.15);--accent-purple:#7c3aed;--accent-emerald:#059669;--accent-amber:#d97706;--accent-rose:#e11d48;--gradient-primary:linear-gradient(135deg,#2563eb,#7c3aed);--gradient-card:linear-gradient(135deg,rgba(37,99,235,0.05),rgba(124,58,237,0.03));--shadow-glow:0 4px 24px rgba(0,0,0,0.08)}[data-theme=light] body{background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(37,99,235,.06),transparent),radial-gradient(ellipse 60% 40% at 80% 100%,rgba(124,58,237,.04),transparent)}[data-theme=light] .navbar{background:rgba(255,255,255,.85);border-bottom:1px solid rgba(0,0,0,.08)}[data-theme=light] .detail-pricing,[data-theme=light] .detail-specs,[data-theme=light] .panel,[data-theme=light] .stat-card{background:var(--bg-card);box-shadow:0 1px 4px rgba(0,0,0,.06)}[data-theme=light] .product-list-item:hover{background:rgba(37,99,235,.04)}[data-theme=light] .search-box{background:rgba(255,255,255,.9);border-color:rgba(0,0,0,.15);color:var(--text-primary)}[data-theme=light] .form-input,[data-theme=light] .form-select{background:rgba(255,255,255,.95);border-color:rgba(0,0,0,.15);color:var(--text-primary)}[data-theme=light] ::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2)}.theme-toggle{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-primary);width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:var(--transition)}.theme-toggle:hover{background:var(--accent-blue-glow);border-color:var(--accent-blue)}*{margin:0;padding:0;box-sizing:border-box}body,html{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}body{background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(59,130,246,.15),transparent),radial-gradient(ellipse 60% 40% at 80% 100%,rgba(139,92,246,.1),transparent)}.container{max-width:1280px;margin:0 auto;padding:0 24px}.navbar{position:-webkit-sticky;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:rgba(10,14,26,.85);border-bottom:1px solid var(--border-glass);padding:0 24px}.navbar-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}.logo{gap:10px;text-decoration:none;font-size:1.25rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo,.logo-icon{display:flex;align-items:center}.logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:10px;justify-content:center;font-size:1.1rem;-webkit-text-fill-color:white}.nav-links{display:flex;gap:8px;align-items:center}.nav-link{padding:8px 16px;border-radius:8px;text-decoration:none;color:var(--text-secondary);font-size:.875rem;font-weight:500;transition:var(--transition)}.nav-link.active,.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}.hero{padding:60px 0 40px;text-align:center}.hero h1{font-size:2.5rem;font-weight:800;margin-bottom:12px;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{color:var(--text-secondary);font-size:1.1rem;margin-bottom:32px}.search-container{max-width:600px;margin:0 auto;position:relative}.search-input{width:100%;padding:16px 20px 16px 52px;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:var(--transition);outline:none}.search-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-glow)}.search-input::placeholder{color:var(--text-muted)}.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:1.1rem;pointer-events:none}.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);padding:20px;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:var(--transition)}.stat-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.15)}.stat-value{font-size:1.75rem;font-weight:700;margin-bottom:4px}.stat-label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px;align-items:center}.filter-group{display:flex;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);overflow:hidden}.filter-btn{padding:8px 16px;background:none;border:none;color:var(--text-secondary);font-family:inherit;font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition);white-space:nowrap}.filter-btn:hover{color:var(--text-primary);background:var(--bg-glass)}.filter-btn.active{background:var(--gradient-primary);color:white}.filter-select{padding:8px 16px;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);color:var(--text-primary);font-family:inherit;font-size:.85rem;cursor:pointer;outline:none}.filter-select option{background:var(--bg-secondary)}.results-count{margin-left:auto;color:var(--text-muted);font-size:.85rem}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:16px;gap:16px;margin-bottom:40px}.product-card{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:var(--transition);position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:var(--transition)}.product-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.15);box-shadow:var(--shadow-glow)}.product-card:hover:before{opacity:1}.product-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.product-code{font-size:1.1rem;font-weight:700;letter-spacing:.5px}.product-badge{padding:4px 10px;border-radius:20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-cao_cap{background:rgba(245,158,11,.15);color:var(--cat-cao-cap);border:1px solid rgba(245,158,11,.3)}.badge-trung_cap{background:rgba(139,92,246,.15);color:var(--cat-trung-cap);border:1px solid rgba(139,92,246,.3)}.badge-pho_thong{background:rgba(16,185,129,.15);color:var(--cat-pho-thong);border:1px solid rgba(16,185,129,.3)}.product-info{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px;margin-bottom:16px}.info-item{display:flex;flex-direction:column;gap:2px}.info-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.info-value{font-size:.9rem;font-weight:500}.product-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--border-glass)}.product-price{font-size:1.25rem;font-weight:700;color:var(--accent-blue)}.product-price-original{font-size:.8rem;color:var(--text-muted);text-decoration:line-through;margin-left:8px}.product-stock{font-size:.85rem;font-weight:500}.stock-high{color:var(--accent-emerald)}.stock-medium{color:var(--accent-amber)}.stock-low{color:var(--accent-rose)}.stock-zero{color:var(--text-muted)}.view-toggle{display:flex;background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);overflow:hidden}.view-btn{padding:6px 12px;background:none;border:none;color:var(--text-muted);font-size:1rem;cursor:pointer;transition:var(--transition);line-height:1}.view-btn:hover{color:var(--text-primary);background:var(--bg-glass)}.view-btn.active{background:var(--gradient-primary);color:white}.products-list{margin-bottom:40px;border:1px solid var(--border-glass);border-radius:var(--radius);overflow:hidden}.list-header{background:rgba(59,130,246,.08);border-bottom:1px solid var(--border-glass);font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.list-header,.product-list-item{display:grid;grid-template-columns:2fr 1.2fr 1fr 2fr 1.2fr 1.2fr 1fr;grid-gap:8px;gap:8px;padding:12px 20px}.product-list-item{align-items:center;border-bottom:1px solid rgba(255,255,255,.03);font-size:.875rem;transition:var(--transition)}.product-list-item:last-child{border-bottom:none}.product-list-item:hover{background:rgba(255,255,255,.03)}.product-list-item .product-code{font-size:.95rem}.product-list-item .product-price{font-size:1rem}.product-list-item .product-price-original{font-size:.75rem;display:block}.list-col-code{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-col-cat{min-width:0}.list-col-size,.list-col-type{color:var(--text-secondary)}.list-col-type{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-col-price,.list-col-promo{font-weight:600}.list-col-stock{text-align:right;font-weight:500}.promo-price{color:var(--accent-emerald)!important}.product-price-struck{font-size:.9rem;font-weight:600;color:var(--text-muted);text-decoration:line-through}.price-base-hint{display:block;font-size:.7rem;color:var(--text-muted);font-weight:400;margin-top:1px}.price-chain{display:flex;flex-direction:column;gap:0}.price-pct-badge{font-size:.65rem;font-weight:600;padding:1px 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16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sidebar-nav{display:flex;flex-direction:column;gap:4px}.sidebar-link{padding:10px 16px;border-radius:8px;text-decoration:none;color:var(--text-secondary);font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:10px;transition:var(--transition);cursor:pointer;border:none;background:none;font-family:inherit;width:100%;text-align:left}.sidebar-link.active,.sidebar-link:hover{background:var(--bg-glass);color:var(--text-primary)}.sidebar-link.active{background:rgba(59,130,246,.15);color:var(--accent-blue)}.admin-content{padding:32px;overflow-y:auto}.admin-title{font-size:1.5rem;font-weight:700;margin-bottom:24px}.panel{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.panel-title{font-size:1.1rem;font-weight:600;display:flex;align-items:center;gap:8px}.form-group,.panel-title{margin-bottom:16px}.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:8px;color:var(--text-primary);font-family:inherit;font-size:.9rem;transition:var(--transition);outline:none}.form-input:focus,.form-select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-glow)}.form-select option{background:var(--bg-secondary)}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:16px;gap:16px}.btn{padding:10px 20px;border:none;border-radius:8px;font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}.btn-primary{background:var(--gradient-primary);color:white}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-blue-glow)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-glass)}.btn-secondary:hover{background:rgba(255,255,255,.1)}.btn-danger{background:rgba(244,63,94,.15);color:var(--accent-rose);border:1px solid rgba(244,63,94,.3)}.btn-danger:hover{background:rgba(244,63,94,.25)}.btn-success{background:rgba(16,185,129,.15);color:var(--accent-emerald);border:1px solid rgba(16,185,129,.3)}.btn-success:hover{background:rgba(16,185,129,.25)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-group{display:flex;gap:8px;flex-wrap:wrap}.table-container{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border-glass)}.data-table{width:100%;border-collapse:collapse;font-size:.85rem}.data-table th{background:rgba(59,130,246,.1);padding:12px 16px;text-align:left;font-weight:600;color:var(--text-secondary);text-transform:uppercase;font-size:.75rem;letter-spacing:.5px;border-bottom:1px solid var(--border-glass);white-space:nowrap}.data-table td{padding:10px 16px;border-bottom:1px solid rgba(255,255,255,.03);vertical-align:middle}.data-table tr:hover td{background:rgba(255,255,255,.02)}.data-table .checkbox-cell{width:40px}.data-table input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent-blue);cursor:pointer}.data-table input[type=number]{width:100px;padding:4px 8px;background:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:6px;color:var(--text-primary);font-family:inherit;font-size:.85rem}.upload-area{border:2px dashed var(--border-glass);border-radius:var(--radius-lg);padding:40px;text-align:center;transition:var(--transition);cursor:pointer}.upload-area.dragover,.upload-area:hover{border-color:var(--accent-blue);background:rgba(59,130,246,.05)}.upload-icon{font-size:2.5rem;margin-bottom:12px}.upload-text{color:var(--text-secondary);margin-bottom:8px}.upload-hint{font-size:.8rem;color:var(--text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:400px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.login-card h1{text-align:center;font-size:1.5rem;margin-bottom:8px}.login-card p{text-align:center;color:var(--text-secondary);margin-bottom:24px;font-size:.9rem}.login-error{padding:10px 14px;background:rgba(244,63,94,.1);border:1px solid rgba(244,63,94,.3);border-radius:8px;color:var(--accent-rose);font-size:.85rem;margin-bottom:16px}.toast{position:fixed;bottom:24px;right:24px;padding:14px 20px;border-radius:var(--radius);font-size:.9rem;font-weight:500;z-index:1000;animation:slideIn .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.toast-success{background:rgba(16,185,129,.9);color:white}.toast-error{background:rgba(244,63,94,.9);color:white}@keyframes slideIn{0%{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.preview-changes{max-height:400px;overflow-y:auto}.change-row{display:grid;grid-template-columns:1fr 1fr 1fr;grid-gap:8px;gap:8px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.03);font-size:.85rem}.change-old{color:var(--accent-rose)}.change-new{color:var(--accent-emerald)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:16px}.empty-state-text{font-size:1.1rem;margin-bottom:8px}@media (max-width:768px){.hero{padding:20px 0 16px}.hero h1{font-size:1.3rem;margin-bottom:4px}.hero p{font-size:.8rem;margin-bottom:12px}.container{padding:0 12px}.stats-bar{display:flex;gap:8px;margin-bottom:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}.stats-bar::-webkit-scrollbar{display:none}.stat-card{min-width:90px;padding:10px 12px;flex-shrink:0}.stat-value{font-size:1.1rem}.stat-label{font-size:.65rem}.admin-layout,.products-grid{grid-template-columns:1fr}.admin-sidebar{display:none}.filters{flex-direction:column;align-items:stretch;gap:8px;margin-bottom:16px}.filters .view-toggle{align-self:flex-end}.results-count{margin-left:0;font-size:.8rem}.navbar-inner{padding:0}.form-row{grid-template-columns:1fr}.list-header{display:none}.product-list-item{grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto;gap:4px 12px;padding:12px 14px}.product-list-item .list-col-code{grid-column:1;font-weight:700}.product-list-item .list-col-cat{grid-column:2;text-align:right}.product-list-item .list-col-size{grid-column:1}.product-list-item .list-col-type{grid-column:2;text-align:right}.product-list-item .list-col-price{grid-column:1}.product-list-item .list-col-promo{grid-column:2;text-align:right}.product-list-item .list-col-stock{grid-column:1/-1}.search-box{padding:10px 16px 10px 44px;font-size:.9rem}.search-icon{left:14px;font-size:.9rem}.pagination{gap:4px}.pagination button{padding:6px 10px;font-size:.8rem}}.site-footer{border-top:1px solid var(--border-glass);padding:24px;text-align:center;color:var(--text-muted);font-size:.8rem;margin-top:32px}.site-footer a{color:var(--accent-blue);text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-row{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:6px}.footer-row span{white-space:nowrap}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease forwards}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(255,255,255,.05) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.mobile-admin-nav{display:none;overflow-x:auto;gap:4px;padding:12px 24px;background:var(--bg-card);border-bottom:1px solid var(--border-glass)}@media (max-width:768px){.mobile-admin-nav{display:flex}}.detail-layout{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;align-items:start}.detail-gallery{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-lg);overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.gallery-tabs{display:flex;border-bottom:1px solid var(--border-glass)}.gallery-tab{flex:1 1;padding:14px 16px;background:none;border:none;color:var(--text-secondary);font-family:inherit;font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition)}.gallery-tab:hover{color:var(--text-primary);background:var(--bg-glass)}.gallery-tab.active{color:var(--accent-blue);background:rgba(59,130,246,.1);border-bottom:2px solid var(--accent-blue)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:8px;gap:8px;padding:16px}.gallery-item{position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;border:1px solid var(--border-glass);transition:var(--transition)}.gallery-item:hover{border-color:var(--accent-blue);transform:scale(1.02)}.gallery-item img{width:100%;height:100%;object-fit:cover}.gallery-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;color:white;font-size:.85rem;opacity:0;transition:var(--transition)}.gallery-item:hover .gallery-overlay{opacity:1}.gallery-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 20px;color:var(--text-muted);text-align:center;min-height:200px}.detail-info{position:-webkit-sticky;position:sticky;top:88px}.detail-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.detail-code{font-size:1.75rem;font-weight:800}.detail-pricing,.detail-specs{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius);padding:4px 16px;margin-bottom:16px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.spec-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.04)}.spec-row:last-child{border-bottom:none}.spec-label{font-size:.85rem;color:var(--text-secondary)}.spec-value{font-weight:500}.detail-stock-badge{display:inline-block;padding:10px 20px;border-radius:8px;font-weight:600}.detail-stock-badge.in-stock{background:rgba(16,185,129,.1);color:var(--accent-emerald);border:1px solid rgba(16,185,129,.3)}.detail-stock-badge.out-stock{background:rgba(244,63,94,.1);color:var(--accent-rose);border:1px solid rgba(244,63,94,.3)}.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;padding:40px;cursor:pointer}.lightbox img{max-width:90vw;max-height:85vh;object-fit:contain;border-radius:8px;cursor:default}.lightbox-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;border:none;background:rgba(255,255,255,.15);color:white;font-size:1.2rem;cursor:pointer}.lightbox-close:hover{background:rgba(255,255,255,.3)}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:none;background:rgba(255,255,255,.15);color:white;font-size:2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10002;line-height:1}.lightbox-nav:hover{background:rgba(255,255,255,.35)}.lightbox-prev{left:16px}.lightbox-next{right:16px}.lightbox-counter{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.6);color:white;padding:6px 16px;border-radius:20px;font-size:.85rem;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10002}@media (max-width:768px){.lightbox-nav{width:36px;height:36px;font-size:1.5rem}.lightbox-prev{left:8px}.lightbox-next{right:8px}.lightbox-counter{font-size:.75rem;padding:4px 12px;bottom:12px}}.image-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));grid-gap:8px;gap:8px;margin-bottom:12px}.image-preview-item{position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;border:1px solid var(--border-glass)}.image-preview-item img{width:100%;height:100%;object-fit:cover}.image-preview-remove{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;border:none;background:rgba(244,63,94,.9);color:white;font-size:.7rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.image-add-row{display:flex;gap:8px;align-items:center}.product-list-item{cursor:pointer}@media (max-width:768px){.detail-layout{grid-template-columns:1fr;gap:24px}.detail-info{position:static}.detail-code{font-size:1.3rem}}