*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #2a7ae2;--color-primary-dark: #1d5db8;--color-secondary: #f5f5f5;--color-accent: #ff9800;--color-text: #333;--color-muted: #777;--color-background: #ffffff;--border-color: #ddd;--font-family: "Roboto", Arial, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.25rem;--font-size-xl: 1.75rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 6px;--radius-md: 10px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 3px 8px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 20px rgba(0, 0, 0, .18)}html,body{height:100%;font-family:var(--font-family);font-size:var(--font-size-base);background:var(--color-background);color:var(--color-text);line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-md)}h1{font-size:var(--font-size-xl)}h2{font-size:var(--font-size-lg)}p{margin-bottom:var(--spacing-md)}.container{width:92%;max-width:1200px;margin:0 auto}.text-center{text-align:center}.text-muted{color:var(--color-muted)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.grid{display:grid;gap:var(--spacing-md)}.grid-2col{grid-template-columns:repeat(2,1fr)}.grid-3col{grid-template-columns:repeat(3,1fr)}.grid-4col{grid-template-columns:repeat(4,1fr)}.btn{display:inline-block;padding:8px 16px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:var(--font-size-base);transition:all .2s ease}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{opacity:.9}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}header.header{position:fixed;top:0;left:0;width:100%;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.category-nav-wrapper{position:sticky;top:70px;z-index:999;background:#fff;padding:var(--spacing-sm) 0}.category-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:var(--spacing-sm)}.btn-category{padding:.55rem 1.1rem;border:1px solid var(--border-color);border-radius:20px;background:var(--color-secondary);color:var(--color-text);font-size:var(--font-size-base);font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s ease}.btn-category:hover{background:var(--color-primary);color:#fff}.btn-category.active{background:var(--color-primary);color:#fff;font-weight:600}.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer}.hamburger span{width:24px;height:3px;background:#fff;border-radius:2px}.item-name{font-size:1rem;font-weight:600;color:#222}.item-quantity{font-size:.9rem;color:#444}.attributes{font-size:.9rem;color:#666;margin:2px 0 4px}.attributes .attr-key{font-weight:600;color:#333}.attributes .attr-value{color:#555}.price{font-size:.95rem}.price-final{font-weight:600;color:#222}.price-original{margin-left:6px;text-decoration:line-through;color:#999;font-size:.9rem}.price-discount{margin-left:6px;color:#d32f2f;font-size:.85rem;font-weight:600}.btn:disabled{background:#ccc;cursor:not-allowed;opacity:.7}@media (max-width: 768px){.category-nav{display:none;flex-direction:column;align-items:flex-start;margin-top:var(--spacing-sm)}.category-nav.open,.hamburger{display:flex}}