:root[data-theme=light]{--product-grid-padding: .8rem;--product-grid-gap: 1.2rem;--product-part-width: 120px;--bg-primary: #e8e2c9;--bg-secondary: #ddd5b6;--bg-tertiary: #d4c8a3;--bg-gradient-start: #e8e2c9;--bg-gradient-end: #e8e2c9;--text-primary: #1a1a14;--text-secondary: #3a3a2e;--text-tertiary: #6a6a56;--border-color: #5c5c4a;--border-color-light: #b8ac85;--accent-primary: #9c7a16;--accent-secondary: #7d6112;--accent-gradient-start: #9c7a16;--accent-gradient-end: #9c7a16;--card-bg: #efead2;--card-border: #b8ac85;--header-bg-start: #3a2c1c;--header-bg-end: #3a2c1c;--header-text: #e8e2c9;--nav-bg: #ddd5b6;--nav-border: #b8ac85;--shadow-sm: rgba(26, 26, 20, .06);--shadow-md: rgba(26, 26, 20, .1);--shadow-lg: rgba(26, 26, 20, .14);--shadow-xl: rgba(26, 26, 20, .18);--glow-accent: rgba(156, 122, 22, .2);--success: #5c5c4a;--warning: #c8941a;--danger: #7a1f1f}:root[data-theme=dark],:root{--product-grid-padding: .8rem;--product-grid-gap: 1.2rem;--product-part-width: 120px;--font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Courier New", monospace;--font-headline: "Oswald", "Roboto Condensed", "Arial Narrow", sans-serif;--bg-primary: #1f1810;--bg-secondary: #2a2218;--bg-tertiary: #36281c;--bg-gradient-start: #1f1810;--bg-gradient-end: #1f1810;--text-primary: #e8e2c9;--text-secondary: #b8ac85;--text-tertiary: #a09c80;--border-color: #5c5c4a;--border-color-light: #3a3a2e;--accent-primary: #d4a52a;--accent-secondary: #e8b840;--accent-gradient-start: #d4a52a;--accent-gradient-end: #d4a52a;--card-bg: #2a2218;--card-border: #5c5c4a;--header-bg-start: #1a1209;--header-bg-end: #1a1209;--header-text: #e8e2c9;--nav-bg: #25241b;--nav-border: #5c5c4a;--shadow-sm: rgba(0, 0, 0, .18);--shadow-md: rgba(0, 0, 0, .22);--shadow-lg: rgba(0, 0, 0, .28);--shadow-xl: rgba(0, 0, 0, .32);--glow-accent: rgba(212, 165, 42, .18);--success: #a09c80;--warning: #c8941a;--danger: #a03525}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-mono);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);letter-spacing:0;font-weight:400;text-rendering:optimizeLegibility;font-size:15px;line-height:1.5}.app{min-height:100vh;display:flex;flex-direction:column}.header{background-color:var(--header-bg-start);color:var(--header-text);padding:.6rem 1.5rem;border-bottom:2px solid var(--text-primary);box-shadow:0 2px 6px var(--shadow-md);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:1.2rem}.header h1{font-family:var(--font-headline);font-size:1.5rem;font-weight:700;color:var(--header-text);text-transform:uppercase;letter-spacing:.18em;margin:0;line-height:1}.header-wordmark-link{color:inherit;text-decoration:none}.header-wordmark-link:hover,.header-wordmark-link:focus-visible{color:var(--accent-primary);outline:none}.theme-toggle{background:var(--accent-primary);border:none;border-radius:4px;padding:.5rem;color:var(--bg-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px var(--shadow-sm);width:44px;height:44px}.theme-toggle:hover{background:var(--accent-secondary);color:var(--bg-primary);transform:translateY(-1px);box-shadow:0 4px 12px var(--shadow-md),0 0 0 3px var(--glow-accent)}.theme-toggle svg{display:block;width:22px;height:22px}.icon-link{background:transparent;border:1px solid color-mix(in srgb,var(--header-text) 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.85rem;text-decoration:none;color:var(--header-text);background:transparent;border:1px solid rgba(232,226,201,.35);border-radius:2px;font-family:var(--font-headline);font-weight:500;font-size:.85rem;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;transition:background-color .12s linear,color .12s linear,border-color .12s linear}.nav-btn:hover{background:var(--header-text);color:var(--header-bg-start);border-color:var(--header-text)}.nav-btn.active{background:var(--accent-primary);color:var(--header-text);border-color:var(--accent-primary);font-weight:600}.container{max-width:1200px;margin:0 auto;padding:1.2rem 1.5rem;flex:1}.card{background:linear-gradient(135deg,var(--card-bg) 0%,var(--bg-secondary) 100%);border-radius:12px;padding:1rem;margin-bottom:1rem;box-shadow:0 4px 12px var(--shadow-md);border:1px solid var(--card-border)}.card h2{margin-bottom:.6rem;color:var(--text-primary)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.2rem}.stat-card{background:linear-gradient(135deg,var(--card-bg) 0%,var(--bg-secondary) 100%);border-radius:12px;padding:1rem;box-shadow:0 4px 12px var(--shadow-md);border:1px solid var(--card-border);transition:all .3s ease;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent-gradient-start) 0%,var(--accent-gradient-end) 100%)}.stat-card:hover{box-shadow:0 8px 24px var(--shadow-lg);transform:translateY(-4px)}.stat-card h3{font-size:.85rem;color:var(--text-secondary);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.5px}.stat-card .value{font-size:1.6rem;font-weight:700;background:linear-gradient(135deg,var(--accent-gradient-start) 0%,var(--accent-gradient-end) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.product-list{background:var(--card-bg);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.product-item{padding:1rem 1.5rem;border-bottom:1px solid #e0e0e0;transition:background-color .2s;cursor:pointer}.product-item:hover{background-color:#f8f9fa}.product-item:last-child{border-bottom:none}.product-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.product-title{font-weight:600;color:#333;font-size:1.25rem}.product-type{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.85rem;font-weight:600;text-transform:uppercase}.product-type.motor{background-color:#e3f2fd;color:#1976d2}.product-type.drive{background-color:#f3e5f5;color:#7b1fa2}.product-meta{color:#666;font-size:1rem}.filter-bar{margin-bottom:1.5rem;padding:1.5rem;background:var(--card-bg);border-radius:8px;box-shadow:0 1px 3px var(--shadow-sm)}.filter-bar-header{margin-bottom:1rem}.filter-bar-controls{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.filter-bar-controls label{font-weight:600;color:#333}.filter-bar-button{padding:.35rem .8rem;border:none;border-radius:4px;font-size:.85rem;cursor:pointer;transition:all .2s;font-weight:500}.filter-bar-button.primary{background-color:var(--accent-primary);color:var(--bg-primary)}.filter-bar-button.primary:hover{background-color:var(--accent-secondary);transform:translateY(-1px);box-shadow:0 2px 4px var(--shadow-md)}.filter-bar-button.secondary{background-color:var(--accent-primary);color:var(--bg-primary)}.filter-bar-button.secondary:hover{background-color:var(--accent-secondary)}.filter-bar-button.tertiary{background-color:var(--accent-primary);color:var(--bg-primary)}.filter-bar-button.tertiary:hover{background-color:var(--accent-secondary)}.filter-bar-chips{margin-top:1rem;padding-top:1rem;border-top:1px solid #e0e0e0}.filter-bar-chips-label{display:block;font-size:.85rem;font-weight:600;color:#666;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.5px}.filter-bar-chips-container{display:flex;flex-wrap:wrap;gap:.5rem}.filter-bar-help{margin-top:1rem;padding:.75rem;background-color:#f8f9fa;border-radius:4px;font-size:.85rem;color:#666}.filter-bar-help-text strong{color:#333;font-weight:600}.filter-bar-shortcuts{margin-top:.75rem;font-size:.85rem;color:#999;display:flex;align-items:center;gap:.25rem}.filter-bar-shortcuts kbd{padding:.1rem .4rem;background-color:#e9ecef;border:1px solid #ced4da;border-radius:3px;font-family:monospace;font-size:.85rem}.action-btn{padding:.2rem .6rem;background:transparent;border:1px solid var(--border-color);border-radius:4px;cursor:pointer;font-size:.85rem;font-weight:500;transition:all 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var(--border));background:transparent;color:var(--text-primary);cursor:pointer;text-transform:uppercase}.account-menu-signin:hover{background:var(--surface-hover, rgba(0, 0, 0, .05))}.account-menu{position:relative}.account-menu-trigger{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border:1px solid var(--border);background:transparent;color:var(--text-primary);cursor:pointer;font:inherit;font-size:.85rem;max-width:18rem}.account-menu-trigger:hover{background:var(--surface-hover, rgba(0, 0, 0, .05))}.account-menu-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:14rem}.account-menu-admin-pill{font-size:.65rem;letter-spacing:.08em;padding:.1rem .35rem;background:var(--accent-primary);color:var(--bg-primary);font-weight:700}.account-menu-dropdown{position:absolute;right:0;top:calc(100% + .3rem);min-width:14rem;background:var(--bg-primary);border:1px solid var(--border);box-shadow:0 6px 20px #0000002e;z-index:30}.account-menu-dropdown-header{padding:.6rem .8rem;font-size:.8rem;color:var(--text-secondary);border-bottom:1px solid var(--border);overflow:hidden;text-overflow:ellipsis}.account-menu-dropdown-item{width:100%;text-align:left;padding:.6rem .8rem;border:0;background:transparent;cursor:pointer;font:inherit;font-size:.9rem;color:var(--text-primary)}.account-menu-dropdown-item:hover{background:var(--surface-hover, rgba(0, 0, 0, .05))}.auth-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-modal{width:min(440px,100%);background:var(--bg-primary);border:1px solid var(--border);box-shadow:0 20px 60px #0006;padding:1.5rem 1.5rem 1.25rem;color:var(--text-primary)}.auth-modal-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1rem}.auth-modal-header 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