:root{color:#1f2933;background:#f5f7f2;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px}button{font:inherit}.app-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:32px 0 48px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;padding:28px;color:#fff;background:linear-gradient(135deg,#1f3d2b,#385f43 55%,#d48037);border-radius:8px;box-shadow:0 18px 40px #1f3d2b2e}.eyebrow{margin:0 0 8px;color:#f6d8a7;font-size:13px;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:640px;margin-bottom:0;font-size:34px;line-height:1.12}.cart-pill{display:flex;align-items:center;gap:8px;white-space:nowrap;padding:10px 14px;color:#1f3d2b;background:#fff8e8;border-radius:999px;font-weight:700}.cart-pill span{display:grid;place-items:center;min-width:28px;height:28px;color:#fff;background:#d48037;border-radius:999px}.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}.panel{background:#fff;border:1px solid #dce3d4;border-radius:8px;box-shadow:0 12px 28px #1f293314}.products-panel{padding:22px}.cart-panel{position:sticky;top:20px;padding:18px}.panel-header,.section-heading,.cart-total{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-header{margin-bottom:18px}.panel-header h2{margin:0;font-size:22px}.panel-header span,.section-heading span,.cart-meta{color:#6b7280;font-size:13px}.category-stack{display:grid;gap:24px}.section-heading{margin-bottom:10px}.section-heading h3{margin:0;font-size:16px}.product-grid,.cart-list{list-style:none;margin:0;padding:0}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.product-card,.cart-item{border:1px solid #e3e8dd;border-radius:8px;background:#fbfcf8}.product-card{display:flex;min-height:172px;flex-direction:column;justify-content:space-between;gap:16px;padding:16px}.product-name,.cart-name{margin-bottom:6px;font-weight:700}.product-description{margin-bottom:0;color:#5b6470;font-size:14px;line-height:1.45}.product-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.product-price{font-size:18px;font-weight:800}.primary-button{min-height:40px;padding:0 14px;cursor:pointer;color:#fff;background:#1f3d2b;border:0;border-radius:6px;font-weight:700}.primary-button:disabled{cursor:wait;opacity:.7}.cart-list{display:grid;gap:10px}.cart-item{display:flex;justify-content:space-between;gap:12px;padding:12px}.cart-name{margin-bottom:4px}.cart-values{display:grid;justify-items:end;gap:4px;white-space:nowrap}.cart-total{margin-top:14px;padding-top:14px;border-top:1px solid #e3e8dd;font-size:18px}.empty-state,.loading{margin:0;color:#5b6470}.loading{padding:24px;background:#fff;border:1px solid #dce3d4;border-radius:8px}.error{color:#8a1f17;background:#fff0ee;border:1px solid #ffc4bc;border-radius:8px;padding:12px 14px}@media (max-width: 860px){.topbar{align-items:flex-start;flex-direction:column}.layout-grid{grid-template-columns:1fr}.cart-panel{position:static}}@media (max-width: 520px){.app-shell{width:min(100% - 20px,1180px);padding-top:10px}.topbar,.products-panel,.cart-panel{padding:16px}h1{font-size:26px}.product-grid{grid-template-columns:1fr}}