:root{--color-background: #fbfbfb;--color-surface: #ffffff;--color-surface-card: #ffffff;--color-surface-hover: #f7f7f9;--color-border: #e2e2e6;--color-border-hover: #c4c4cb;--color-text-primary: #0a0a0c;--color-text-secondary: #60606a;--color-text-muted: #9696a2;--color-accent: #000000;--color-accent-hover: #1e1e21;--color-accent-foreground: #ffffff;--color-error: #e5484d;--color-error-bg: #fff0f0;--color-success: #30a46c;--color-skeleton: #ececee;--color-skeleton-shine: rgba(255, 255, 255, .6);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-md: 1.125rem;--font-size-lg: 1.25rem;--font-size-xl: 1.5rem;--font-size-xxl: 2rem;--font-size-hero: 2.5rem;--space-unit: 8px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-xxl: 48px;--space-section: 64px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .02);--shadow-md: 0 4px 16px -2px rgba(0, 0, 0, .04), 0 2px 6px -1px rgba(0, 0, 0, .02);--shadow-lg: 0 16px 36px -4px rgba(0, 0, 0, .06), 0 6px 16px -2px rgba(0, 0, 0, .03);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 20px;--transition-fast: .15s cubic-bezier(.16, 1, .3, 1);--transition-normal: .25s cubic-bezier(.16, 1, .3, 1);--transition-slow: .4s cubic-bezier(.16, 1, .3, 1);--max-width: 1400px;--app-header-height: 72px;--app-content-top-padding: var(--space-xl)}.dark-mode{--color-background: #09090b;--color-surface: #121215;--color-surface-card: #18181b;--color-surface-hover: #222227;--color-border: #242427;--color-border-hover: #36363f;--color-text-primary: #f4f4f5;--color-text-secondary: #a1a1aa;--color-text-muted: #5e5e67;--color-accent: #ffffff;--color-accent-hover: #e4e4e7;--color-accent-foreground: #09090b;--color-skeleton: #212124;--color-skeleton-shine: rgba(255, 255, 255, .03);--color-error-bg: #1f1315;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 6px 20px -2px rgba(0, 0, 0, .4), 0 2px 6px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 20px 40px -4px rgba(0, 0, 0, .5), 0 8px 16px -2px rgba(0, 0, 0, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background-color:var(--color-background);color:var(--color-text-primary);line-height:1.5;overflow-x:hidden;transition:background-color var(--transition-normal),color var(--transition-normal)}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}ul{list-style:none}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:var(--max-width);margin-left:auto;margin-right:auto;padding-left:var(--space-lg);padding-right:var(--space-lg)}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{position:sticky;top:0;z-index:100;background-color:#fbfbfbcc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:background-color var(--transition-normal),border-color var(--transition-normal)}.dark-mode .app-header{background-color:#09090bcc}.header-container{display:flex;align-items:center;justify-content:space-between;height:var(--app-header-height);max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.logo{font-size:var(--font-size-xl);font-weight:700;letter-spacing:-.05em;display:flex;align-items:center;color:var(--color-text-primary);-webkit-user-select:none;user-select:none}.logo-dot{color:var(--color-text-muted);margin-left:1px}.header-search-wrapper{position:relative;width:100%;max-width:420px;margin:0 var(--space-lg);display:flex;align-items:center;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0 var(--space-md);height:40px;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast),background-color var(--transition-normal)}.header-search-wrapper:focus-within{border-color:var(--color-text-primary);box-shadow:0 0 0 1px var(--color-text-primary)}.search-icon{width:16px;height:16px;color:var(--color-text-muted);margin-right:var(--space-sm);flex-shrink:0}.header-search-wrapper input{width:100%;font-size:var(--font-size-sm);font-weight:400;color:var(--color-text-primary)}.header-search-wrapper input::placeholder{color:var(--color-text-muted)}.search-clear-btn{background:none;cursor:pointer;padding:2px;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;border-radius:50%}.search-clear-btn:hover{color:var(--color-text-primary);background-color:var(--color-surface-hover)}.search-clear-btn svg{width:14px;height:14px}.header-actions{display:flex;align-items:center;gap:var(--space-sm)}.theme-toggle-btn,.mobile-filter-trigger-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-surface);color:var(--color-text-primary);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast);box-shadow:var(--shadow-sm);position:relative}.theme-toggle-btn:hover,.mobile-filter-trigger-btn:hover{background-color:var(--color-surface-hover);border-color:var(--color-border-hover)}.theme-toggle-btn svg,.mobile-filter-trigger-btn svg{width:18px;height:18px}.mobile-filter-badge{position:absolute;top:-4px;right:-4px;background-color:var(--color-text-primary);color:var(--color-background);font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px;box-shadow:0 0 0 2px var(--color-background)}.app-content-viewport{flex-grow:1;padding-top:var(--app-content-top-padding);padding-bottom:var(--space-xxl);display:flex;flex-direction:column}.catalog-view-container{display:grid;grid-template-columns:280px 1fr;gap:var(--space-xxl);align-items:start;width:100%}.catalog-sidebar-filters{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow-y:auto;padding-right:var(--space-sm)}.catalog-sidebar-filters::-webkit-scrollbar{width:4px}.catalog-sidebar-filters::-webkit-scrollbar-track{background:transparent}.catalog-sidebar-filters::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}.catalog-sidebar-filters::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.filter-sticky-wrapper{display:flex;flex-direction:column;gap:var(--space-xl)}.filter-header-desktop{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border);padding-bottom:var(--space-sm)}.filter-header-desktop h3{font-size:var(--font-size-md);font-weight:600;letter-spacing:-.01em}.clear-all-btn{font-size:var(--font-size-xs);font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:color var(--transition-fast)}.clear-all-btn:hover{color:var(--color-text-primary);text-decoration:underline}.filter-sections{display:flex;flex-direction:column;gap:var(--space-xl)}.filter-group{display:flex;flex-direction:column;gap:var(--space-sm)}.filter-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-xs)}.sidebar-input-wrapper{position:relative;display:flex;align-items:center;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0 var(--space-sm);height:38px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.sidebar-input-wrapper:focus-within{border-color:var(--color-text-primary);box-shadow:0 0 0 1px var(--color-text-primary)}.sidebar-input-wrapper input{width:100%;font-size:var(--font-size-sm);color:var(--color-text-primary)}.sidebar-input-wrapper input::placeholder{color:var(--color-text-muted)}.category-options-list{display:flex;flex-direction:column;gap:var(--space-xs)}.category-option-btn{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:400;color:var(--color-text-secondary);cursor:pointer;text-align:left;transition:background-color var(--transition-fast),color var(--transition-fast),font-weight var(--transition-fast)}.category-option-btn:hover{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.category-option-btn.active{background-color:var(--color-surface-hover);color:var(--color-text-primary);font-weight:600}.category-option-btn:after{content:"";width:5px;height:5px;border-radius:50%;background-color:var(--color-text-primary);opacity:0;transition:opacity var(--transition-fast)}.category-option-btn.active:after{opacity:1}.tags-options-grid{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.tag-checkbox-btn{display:inline-flex;align-items:center;padding:6px 12px;border-radius:var(--radius-xl);border:1px solid var(--color-border);background-color:var(--color-surface);font-size:var(--font-size-xs);font-weight:500;color:var(--color-text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:border-color var(--transition-fast),background-color var(--transition-fast),color var(--transition-fast)}.tag-checkbox-btn:hover{border-color:var(--color-border-hover);color:var(--color-text-primary)}.tag-checkbox-btn.active{background-color:var(--color-text-primary);border-color:var(--color-text-primary);color:var(--color-background)}.catalog-main{display:flex;flex-direction:column;gap:var(--space-lg);min-width:0}.active-filters-summary{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-md);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);animation:fadeIn var(--transition-normal)}.summary-text{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted)}.active-tags-container{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.active-filter-chip{display:inline-flex;align-items:center;gap:var(--space-xs);background-color:var(--color-surface-hover);border:1px solid var(--color-border);padding:4px 8px 4px 10px;border-radius:var(--radius-md);font-size:var(--font-size-xs);font-weight:500;color:var(--color-text-secondary)}.active-filter-chip button{display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text-muted);border-radius:50%;padding:1px}.active-filter-chip button:hover{color:var(--color-text-primary);background-color:var(--color-border)}.active-filter-chip svg{width:12px;height:12px}.clear-filters-chip-btn{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-primary);cursor:pointer;padding:4px var(--space-sm);border-radius:var(--radius-md)}.clear-filters-chip-btn:hover{text-decoration:underline}.catalog-status-bar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border);padding-bottom:var(--space-md);margin-bottom:var(--space-sm)}.results-count{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary)}.catalog-sort-wrapper{display:flex;align-items:center;gap:var(--space-sm)}.sort-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.sort-select{border:1px solid var(--color-border);background-color:var(--color-surface);border-radius:var(--radius-md);padding:6px var(--space-xl) 6px var(--space-sm);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary);cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2371717a' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' class='feather feather-chevron-down' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:14px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);box-shadow:var(--shadow-sm)}.sort-select:focus{border-color:var(--color-text-primary);box-shadow:0 0 0 1px var(--color-text-primary)}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg);animation:fadeIn var(--transition-normal)}.product-card{background-color:var(--color-surface-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;position:relative;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal);box-shadow:var(--shadow-sm)}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border-hover)}.product-card-link-overlay{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2}.product-card-image-box{width:100%;aspect-ratio:5 / 4;overflow:hidden;background-color:var(--color-surface-hover);position:relative;border-bottom:1px solid var(--color-border)}.product-card-img-bg,.product-card-img{display:block;position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.product-card-img-bg{object-fit:cover;filter:blur(18px);opacity:.62;transform:scale(1.12);transition:transform var(--transition-slow)}.product-card-img{z-index:1;object-fit:contain}.product-card:hover .product-card-img-bg{transform:scale(1.16)}.product-card-category-badge{position:absolute;top:var(--space-sm);left:var(--space-sm);pointer-events:none;background-color:#ffffffe6;color:#000;font-size:var(--font-size-xs);font-weight:600;padding:4px var(--space-sm);border-radius:var(--radius-sm);z-index:3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid rgba(0,0,0,.05);box-shadow:var(--shadow-sm)}.dark-mode .product-card-category-badge{background-color:#000000d9;color:#fff;border:1px solid rgba(255,255,255,.1)}.product-card-content{padding:var(--space-md);display:flex;flex-direction:column;flex-grow:1}.product-card-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xs)}.product-card-cat-number{font-size:11px;font-weight:600;font-family:monospace;color:var(--color-text-secondary);letter-spacing:.02em}.product-card-price{font-size:var(--font-size-sm);font-weight:700;color:var(--color-text-primary)}.product-card-name{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);line-height:1.3;margin-bottom:var(--space-sm);letter-spacing:-.01em}.product-card-desc{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.4;margin-bottom:var(--space-md);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:2.8em}.product-card-tags{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-bottom:var(--space-lg);margin-top:auto;height:24px;overflow:hidden}.product-card-tag{display:inline-block;font-size:10px;font-weight:500;color:var(--color-text-muted);background-color:var(--color-surface-hover);padding:2px 6px;border-radius:var(--radius-sm);border:1px solid var(--color-border)}.product-card-action{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:10px;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-surface);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary);cursor:pointer;position:relative;z-index:3;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.product-card-action:hover{background-color:var(--color-text-primary);border-color:var(--color-text-primary);color:var(--color-background)}.product-card-action svg{width:14px;height:14px;transition:transform var(--transition-fast)}.product-card-action:hover svg{transform:translate(2px)}.detail-view-container{display:flex;flex-direction:column;gap:var(--space-lg);animation:fadeIn var(--transition-normal)}.detail-navigation-bar{display:flex;align-items:center}.back-link-btn{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);padding:8px 12px;border-radius:var(--radius-md);border:1px solid transparent;transition:color var(--transition-fast),background-color var(--transition-fast)}.back-link-btn:hover{color:var(--color-text-primary);background-color:var(--color-surface-hover)}.back-link-btn svg{width:16px;height:16px;transition:transform var(--transition-fast)}.back-link-btn:hover svg{transform:translate(-2px)}.detail-content-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--space-xxl);align-items:start}.detail-gallery{display:grid;grid-template-columns:80px 1fr;gap:var(--space-md)}.gallery-thumbnails-dock{display:flex;flex-direction:column;gap:var(--space-sm)}.gallery-thumb-btn{aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border);background-color:var(--color-surface);cursor:pointer;padding:0;transition:border-color var(--transition-fast),opacity var(--transition-fast),transform var(--transition-fast)}.gallery-thumb-btn:hover{border-color:var(--color-border-hover);transform:scale(1.02)}.gallery-thumb-btn.active{border-color:var(--color-text-primary);box-shadow:0 0 0 1px var(--color-text-primary)}.gallery-thumb-btn img{width:100%;height:100%;object-fit:cover}.gallery-viewport{aspect-ratio:var(--gallery-image-ratio, 5 / 4);width:min(100%,var(--gallery-fit-width, 100%));max-width:100%;max-height:var( --gallery-max-height, calc(100vh - var(--app-header-height) - var(--app-content-top-padding) - var(--space-lg)) );border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);background-color:var(--color-surface-hover);position:relative;display:flex;align-items:center;justify-content:center;justify-self:center;margin-inline:auto;transition:aspect-ratio var(--transition-normal)}.gallery-display-img{width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity var(--transition-normal)}.gallery-display-img.loaded{opacity:1}.detail-info-pane{display:flex;flex-direction:column}.detail-meta-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xs);border-bottom:1px solid var(--color-border);padding-bottom:var(--space-md)}.detail-category-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.detail-catalog-no{font-size:var(--font-size-sm);font-weight:600;font-family:monospace;color:var(--color-text-secondary);background-color:var(--color-surface-hover);padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--color-border)}.detail-product-name{font-size:var(--font-size-hero);font-weight:700;letter-spacing:-.03em;color:var(--color-text-primary);line-height:1.15;margin:var(--space-md) 0 var(--space-sm) 0}.detail-price-tag{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-xl)}.detail-spec-section{border-top:1px solid var(--color-border);padding-top:var(--space-xl);margin-bottom:var(--space-xl)}.detail-section-title{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-md)}.detail-description-text{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6}.detail-tags-section{border-top:1px solid var(--color-border);padding-top:var(--space-xl);margin-bottom:var(--space-xxl)}.detail-tags-dock{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.detail-tag-badge{display:inline-flex;align-items:center;background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);font-size:var(--font-size-xs);font-weight:500;padding:6px 14px;border-radius:var(--radius-xl)}.detail-actions-panel{display:flex;align-items:center;gap:var(--space-md);border-top:1px solid var(--color-border);padding-top:var(--space-xl);margin-top:auto}.action-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);height:48px;padding:0 var(--space-xl);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.action-button.primary{background-color:var(--color-accent);color:var(--color-accent-foreground)}.action-button.primary:hover{background-color:var(--color-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.action-button.secondary{background-color:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.action-button.secondary:hover{background-color:var(--color-surface-hover);border-color:var(--color-border-hover);transform:translateY(-1px)}.action-button svg{width:16px;height:16px}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--color-skeleton) 25%,var(--color-surface-hover) 50%,var(--color-skeleton) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite linear}.product-card-skeleton{border-radius:var(--radius-lg);border:1px solid var(--color-border);background-color:var(--color-surface-card);overflow:hidden;height:380px;display:flex;flex-direction:column}.card-skeleton-img{aspect-ratio:5 / 4}.card-skeleton-content{padding:var(--space-md);display:flex;flex-direction:column;gap:var(--space-sm);flex-grow:1}.card-skeleton-line{height:var(--space-md);border-radius:var(--radius-sm)}.sidebar-category-skeleton{height:32px;border-radius:var(--radius-md);background-color:var(--color-skeleton);margin-bottom:var(--space-xs)}.sidebar-tag-skeleton{display:inline-block;height:26px;border-radius:var(--radius-xl);background-color:var(--color-skeleton);margin-bottom:var(--space-xs);width:80px}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.empty-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--space-section) var(--space-lg);border:1px dashed var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);max-width:580px;margin:var(--space-xl) auto;animation:fadeIn var(--transition-normal)}.empty-state-visual,.error-state-visual{width:56px;height:56px;border-radius:50%;background-color:var(--color-surface-hover);color:var(--color-text-secondary);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-lg)}.error-state-visual{background-color:var(--color-error-bg);color:var(--color-error)}.empty-state-visual svg,.error-state-visual svg{width:28px;height:28px}.empty-state h3,.error-state h3{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--space-sm);letter-spacing:-.01em}.empty-state p,.error-state p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5;margin-bottom:var(--space-xl);max-width:420px}.error-message-text{font-family:monospace;background-color:var(--color-surface-hover);padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border)}.mobile-drawer-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:200;background-color:#0006;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;justify-content:flex-end;animation:fadeInOverlay var(--transition-normal)}@keyframes fadeInOverlay{0%{opacity:0}to{opacity:1}}.mobile-drawer-content{width:100%;max-width:380px;height:100%;background-color:var(--color-background);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;animation:slideInDrawer var(--transition-normal)}@keyframes slideInDrawer{0%{transform:translate(100%)}to{transform:translate(0)}}.mobile-drawer-header{padding:var(--space-lg);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--color-border)}.mobile-drawer-header h3{font-size:var(--font-size-md);font-weight:600}.close-drawer-btn{width:36px;height:36px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary);cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast)}.close-drawer-btn:hover{background-color:var(--color-surface-hover);color:var(--color-text-primary)}.close-drawer-btn svg{width:20px;height:20px}.mobile-drawer-body{flex-grow:1;overflow-y:auto;padding:var(--space-lg)}.mobile-drawer-footer{padding:var(--space-lg);border-top:1px solid var(--color-border);display:flex;gap:var(--space-md);background-color:var(--color-surface)}.mobile-drawer-footer .action-button{flex-grow:1}@media (min-width: 1440px){.product-grid{grid-template-columns:repeat(4,1fr)}}@media (max-width: 1100px){.catalog-view-container{grid-template-columns:240px 1fr;gap:var(--space-lg)}.product-grid{grid-template-columns:repeat(3,1fr)}.detail-content-grid{gap:var(--space-xl)}}@media (max-width: 900px){.catalog-view-container{grid-template-columns:1fr}.catalog-sidebar-filters{display:none}.product-grid{grid-template-columns:repeat(2,1fr)}.detail-content-grid{grid-template-columns:1fr;gap:var(--space-xxl)}.detail-gallery{grid-template-columns:1fr;display:flex;flex-direction:column-reverse;align-items:center}.gallery-thumbnails-dock{flex-direction:row;justify-content:flex-start;overflow-x:auto;padding-bottom:var(--space-xs);width:100%}.gallery-thumb-btn{width:60px;height:60px;flex-shrink:0}}@media (max-width: 600px){:root{--space-lg: 16px;--space-xl: 24px;--space-xxl: 32px;--app-header-height: 64px}.header-container{height:var(--app-header-height)}.header-search-wrapper{margin:0 var(--space-sm)}.product-grid{grid-template-columns:1fr;gap:var(--space-md)}.product-card-image-box{aspect-ratio:4 / 3}.detail-product-name{font-size:var(--font-size-xl)}.detail-actions-panel{flex-direction:column;align-items:stretch}.detail-actions-panel .action-button{width:100%}}@media print{body{background-color:#fff!important;color:#000!important;font-size:11pt!important;line-height:1.4!important}.app-shell,.app-header,.detail-navigation-bar,.detail-actions-panel,.mobile-drawer-overlay{display:none!important}.print-only{display:block!important}@page{size:A4 portrait;margin:15mm}.print-spec-sheet{display:flex;flex-direction:column;font-family:Inter,system-ui,sans-serif;color:#000}.print-header{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #000000;padding-bottom:15px;margin-bottom:25px}.print-brand{font-size:20pt;font-weight:700;letter-spacing:-.04em}.print-brand-dot{color:#888}.print-doc-title{font-size:10pt;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#555}.print-body{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;margin-bottom:25px}.print-gallery-box{border:1px solid #e2e2e6;border-radius:8px;overflow:hidden;aspect-ratio:5 / 4;background:#f7f7f9}.print-gallery-box img{width:100%;height:100%;object-fit:contain}.print-info-box{display:flex;flex-direction:column}.print-category{font-size:8pt;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#666;margin-bottom:5px}.print-title{font-size:18pt;font-weight:700;line-height:1.2;margin-bottom:10px}.print-cat-num{font-family:monospace;font-size:9pt;font-weight:600;color:#444;background-color:#f5f5f7;padding:3px 8px;border-radius:4px;border:1px solid #e2e2e6;align-self:flex-start;margin-bottom:15px}.print-price{font-size:14pt;font-weight:700;margin-bottom:20px}.print-divider{border-top:1px solid #e2e2e6;margin-bottom:15px}.print-section-lbl{font-size:8pt;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#666;margin-bottom:8px}.print-desc{font-size:10pt;color:#222;line-height:1.5;margin-bottom:20px}.print-tags-dock{display:flex;flex-wrap:wrap;gap:6px}.print-tag-chip{font-size:8pt;border:1px solid #d2d2d6;padding:3px 8px;border-radius:20px;color:#333;font-weight:500}.print-footer{border-top:1px solid #000000;padding-top:15px;margin-top:auto;display:flex;justify-content:space-between;font-size:8pt;color:#666}.print-footer-brand{font-weight:600}}@media screen{.print-only{display:none!important}}