:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--border: #e5e4e7;--code-bg: #f4f3ec;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--accent-border: rgba(170, 59, 255, .5);--social-bg: rgba(244, 243, 236, .5);--shadow: rgba(0, 0, 0, .1) 0 10px 15px -3px, rgba(0, 0, 0, .05) 0 4px 6px -2px;--sans: system-ui, "Segoe UI", Roboto, sans-serif;--heading: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (max-width: 1024px){:root{font-size:16px}}@media (prefers-color-scheme: dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #16171d;--border: #2e303a;--code-bg: #1f2028;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--accent-border: rgba(192, 132, 252, .5);--social-bg: rgba(47, 48, 58, .5);--shadow: rgba(0, 0, 0, .4) 0 10px 15px -3px, rgba(0, 0, 0, .25) 0 4px 6px -2px}#social .button-icon{filter:invert(1) brightness(2)}}body{margin:0}#root{width:1126px;max-width:100%;margin:0 auto;text-align:center;border-inline:1px solid var(--border);min-height:100svh;display:flex;flex-direction:column;box-sizing:border-box}h1,h2{font-family:var(--heading);font-weight:500;color:var(--text-h)}h1{font-size:56px;letter-spacing:-1.68px;margin:32px 0}@media (max-width: 1024px){h1{font-size:36px;margin:20px 0}}h2{font-size:24px;line-height:118%;letter-spacing:-.24px;margin:0 0 8px}@media (max-width: 1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);display:inline-flex;border-radius:4px;color:var(--text-h)}code{font-size:15px;line-height:135%;padding:4px 8px;background:var(--code-bg)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f7fa;color:#1a202c;line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 6px #0000001a}.header-left .logo{font-size:1.8rem;font-weight:700}.header-left .tagline{font-size:.95rem;opacity:.9}.cart-indicator{font-size:1.05rem;font-weight:500;padding:.5rem 1rem;background:#fff3;border-radius:8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.cart-count{font-weight:700}.main-grid{flex:1;display:grid;grid-template-columns:1fr 380px;gap:2rem;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.products-section h2{font-size:1.5rem;margin-bottom:1.5rem;color:#2d3748}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.product-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 2px 8px #00000014;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;gap:.75rem}.product-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001f}.product-category{font-size:.8rem;color:#667eea;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.product-name{font-size:1.15rem;font-weight:600;color:#1a202c}.product-desc{font-size:.9rem;color:#718096;flex:1}.product-meta{display:flex;justify-content:space-between;align-items:center;gap:1rem}.product-price{font-size:1.3rem;font-weight:700;color:#2d3748}.stock-badge{font-size:.85rem;color:#4a5568}.stock-badge.low{color:#ed8936;font-weight:500}.add-to-cart-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.8rem 1rem;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .2s}.add-to-cart-btn:hover:not(:disabled){opacity:.92}.add-to-cart-btn:disabled{background:#cbd5e0;cursor:not-allowed}.cart-sidebar{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 2px 8px #00000014;height:fit-content;position:sticky;top:2rem}.cart-sidebar h2{font-size:1.4rem;margin-bottom:1.25rem;color:#2d3748}.empty-cart{padding:2rem 1rem;text-align:center;color:#718096}.empty-hint{font-size:.85rem;margin-top:.5rem}.cart-items{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem;max-height:400px;overflow-y:auto}.cart-item{display:flex;justify-content:space-between;align-items:flex-start;padding:.75rem;background:#f7fafc;border-radius:10px}.item-name{font-weight:600;color:#2d3748}.item-details{font-size:.85rem;color:#718096;margin-top:.25rem}.remove-item-btn{background:transparent;border:none;font-size:1.5rem;color:#e53e3e;cursor:pointer;padding:0 .5rem;line-height:1}.cart-summary{border-top:1px solid #e2e8f0;padding-top:1rem}.total-row{display:flex;justify-content:space-between;font-size:1.15rem;font-weight:600;color:#2d3748;margin-bottom:1.25rem}.total-price{color:#667eea;font-size:1.3rem}.checkout-btn{width:100%;background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;border:none;padding:1rem;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:opacity .2s}.checkout-btn:hover:not(:disabled){opacity:.92}.checkout-btn:disabled{background:#9ae6b4;cursor:not-allowed}.status-msg{margin-top:1rem;padding:.75rem;border-radius:8px;font-size:.9rem;font-weight:500;text-align:center}.status-msg.success{background:#f0fff4;color:#276749}.status-msg.error{background:#fff5f5;color:#c53030}.loading-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:1.2rem;color:#4a5568}@media (max-width: 1024px){.main-grid{grid-template-columns:1fr;grid-template-rows:auto auto}.cart-sidebar{position:static}}@media (max-width: 640px){.app-header{flex-direction:column;gap:1rem;text-align:center}}