:root{--color-primary: #111827;--color-primary-hover: #1f2937;--color-secondary: #6b7280;--color-accent: #3b82f6;--color-background: #ffffff;--color-surface: #f9fafb;--color-surface-alt: #f3f4f6;--color-text: #111827;--color-text-light: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif: var(--ui-font-display, "Roboto", "Helvetica Neue", Arial, sans-serif);--container-max: 1280px;--container-padding: 24px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--header-height: 70px;--header-bg: var(--color-background);--header-border: var(--color-border);--safe-top: env(safe-area-inset-top);--safe-right: env(safe-area-inset-right);--safe-bottom: env(safe-area-inset-bottom);--safe-left: env(safe-area-inset-left)}[data-theme=theme-2]{--color-primary: #0f172a}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-padding-bottom:calc(24px + var(--safe-bottom))}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-background);line-height:1.6;overflow-x:hidden}body.no-scroll{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.site-header{background:var(--header-bg);border-bottom:1px solid var(--header-border);position:relative;z-index:100;height:calc(var(--header-height) + 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auto;gap:16px}.nav-toggle{display:flex}.site-nav{position:fixed;top:0;left:-100%;width:85%;max-width:380px;height:100vh;height:100dvh;background:var(--color-background);padding:20px;padding-top:calc(20px + var(--safe-top));padding-bottom:calc(20px + var(--safe-bottom));padding-left:calc(20px + var(--safe-left));padding-right:calc(20px + var(--safe-right));overflow-y:auto;transition:left var(--transition-slow);box-shadow:var(--shadow-xl);z-index:9999}.site-nav.open{left:0}.site-nav:before{content:"\d7";position:absolute;top:calc(16px + var(--safe-top));right:calc(16px + var(--safe-right));width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--color-text-light);cursor:pointer}.nav-root{flex-direction:column;align-items:stretch;gap:0;margin-top:60px}.nav-link{padding:14px 16px;border-radius:0;border-bottom:1px solid 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img{width:100%;height:100%;object-fit:cover}.title{font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:8px;line-height:1.2}.subtitle{font-size:18px;color:var(--color-text-light);margin-bottom:20px}.price-row{display:flex;align-items:center;gap:12px;margin-bottom:20px}.price{font-size:28px;font-weight:700;color:var(--color-text)}.compare{font-size:20px;color:var(--color-text-muted);text-decoration:line-through}.badge-note{font-size:13px;padding:4px 12px;background:var(--color-surface);color:var(--color-text-light);border-radius:var(--radius-pill)}.stock{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:600;margin-bottom:24px}.stock.ok{background:#d1fae5;color:var(--color-success)}.stock.low{background:#fef3c7;color:var(--color-warning)}.stock.oos{background:#fee2e2;color:var(--color-error)}.field{margin-bottom:24px}.field 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var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-surface);border-color:var(--color-text)}.btn-secondary.hidden{display:none}.accordion{margin-top:32px}.accordion details{border-top:1px solid var(--color-border);padding:20px 0}.accordion summary{font-size:16px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:color var(--transition-fast)}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:"+";font-size:20px;font-weight:400;transition:transform var(--transition-fast)}.accordion details[open] summary:after{transform:rotate(45deg)}.accordion summary:hover{color:var(--color-primary)}.accordion details>div{margin-top:16px;color:var(--color-text-light);line-height:1.7}@media(max-width:768px){:root{--header-height: 60px;--container-padding: 16px}.title,.price{font-size:24px}.buy{flex-direction:column}.buy 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img{width:100%;height:100%;object-fit:cover}.cart-item__details{display:flex;flex-direction:column;gap:6px}.cart-item__title{font-weight:600;font-size:14px;color:var(--color-text);line-height:1.3;margin:0}.cart-item__variant{font-size:13px;color:var(--color-text-light)}.cart-item__footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}.cart-item__price{font-weight:600;font-size:15px;color:var(--color-text)}.cart-qty{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px;background:var(--color-surface)}.cart-qty button{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;color:var(--color-text);cursor:pointer;transition:all var(--transition-fast)}.cart-qty button:hover:not(:disabled){background:var(--color-surface-alt)}.cart-qty button:disabled{opacity:.4;cursor:not-allowed}.cart-qty span{min-width:32px;text-align:center;font-size:14px;font-weight:600;color:var(--color-text)}.cart-item__remove{background:transparent;border:none;color:var(--color-text-muted);font-size:12px;text-decoration:underline;cursor:pointer;padding:4px 8px;transition:color var(--transition-fast)}.cart-item__remove:hover{color:var(--color-error)}.cart-summary{margin-bottom:16px}.cart-summary-row{display:flex;justify-content:space-between;align-items:center;font-size:18px;font-weight:600;margin-bottom:8px}.cart-note{text-align:center;color:var(--color-text-light);font-size:13px;margin:0}.cart-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cart-actions .btn{text-align:center;padding:12px 16px}.cart-empty{text-align:center;padding:40px 20px;color:var(--color-text-muted)}.cart-empty svg{width:48px;height:48px;margin:0 auto 16px;opacity:.3}.cart-empty p{margin:0 0 20px;font-size:15px}.cart-empty .btn{display:inline-block}.cart-loading{text-align:center;padding:40px 20px;color:var(--color-text-muted)}.cart-loading:after{content:"";display:block;width:24px;height:24px;margin:20px auto 0;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.cart-item{grid-template-columns:60px 1fr;gap:10px;padding:12px 0}.cart-item__image{width:60px;height:60px}.cart-item__title{font-size:13px}.cart-item__variant{font-size:12px}.cart-qty{gap:2px}.cart-qty button{width:26px;height:26px;font-size:13px}.cart-qty span{min-width:28px;font-size:13px}}