:root{--navy:#123047;--teal:#007f6d;--teal-dark:#006454;--ink:#17202a;--muted:#687582;--line:#dbe3e8;--surface:#fff;--canvas:#f4f7f8;--accent:#f3a22b}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.4 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.terminal-shell{min-height:100vh}.topbar{height:70px;padding:0 32px;display:flex;align-items:center;gap:20px;color:#fff;background:var(--navy)}.brand{display:flex;align-items:center;gap:10px;color:inherit;font-weight:750;text-decoration:none}.brand-mark{display:grid;width:32px;height:32px;place-items:center;border-radius:9px;background:var(--teal);font-weight:800}.location{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:14px}.status-dot{width:9px;height:9px;border-radius:50%;background:#4dd7ab}.icon-button{border:0;background:transparent;color:#fff;font-size:20px;cursor:pointer}.terminal-content{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:24px;max-width:1500px;margin:0 auto;padding:28px}.catalog,.order-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px #1230470b}.catalog{padding:28px}.catalog-heading,.order-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.eyebrow{margin:0 0 4px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2{margin:0;letter-spacing:-.03em}h1{font-size:28px}h2{font-size:20px}.customer-button,.category,.link-button{font:inherit;cursor:pointer}.customer-button{padding:10px 14px;border:1px solid var(--teal);border-radius:9px;background:#effaf7;color:var(--teal-dark);font-weight:750}.categories{display:flex;gap:8px;overflow:auto;margin:30px 0 20px;padding-bottom:4px}.category{white-space:nowrap;padding:9px 14px;border:1px solid var(--line);border-radius:99px;background:#fff;color:var(--muted)}.category.is-active{border-color:var(--teal);background:var(--teal);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.product-card{min-height:130px;padding:18px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;transition:.15s transform,.15s border-color,.15s box-shadow}.product-card:hover{transform:translateY(-2px);border-color:var(--teal);box-shadow:0 8px 16px #00645418}.product-name{font-weight:700}.product-card strong{color:var(--teal-dark);font-size:18px}.order-panel{display:flex;flex-direction:column;min-height:600px;padding:24px}.link-button{border:0;background:transparent;color:#b23a3a;text-decoration:underline}.empty-order{padding:32px 0;text-align:center;color:var(--muted)}.order-lines{margin:8px 0;padding:0;list-style:none}.order-line{display:grid;grid-template-columns:1fr auto;gap:8px;padding:14px 0;border-bottom:1px solid var(--line)}.order-line small{display:block;color:var(--muted)}.line-controls{display:flex;align-items:center;gap:8px}.quantity-button{display:grid;width:28px;height:28px;place-items:center;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}.totals{display:flex;justify-content:space-between;margin-top:auto;padding:22px 0;font-size:18px;border-top:1px solid var(--line)}.totals strong{font-size:26px}.checkout-button{display:flex;justify-content:space-between;align-items:center;padding:16px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:17px;font-weight:800;cursor:pointer}.checkout-button:disabled{background:#d8e0e4;color:#7c8a94;cursor:not-allowed}.error-page{max-width:620px;margin:15vh auto;padding:30px}.button{display:inline-block;margin-top:18px;padding:12px 18px;border-radius:8px;text-decoration:none}.button-primary{background:var(--teal);color:#fff}@media (max-width:900px){.topbar{height:60px;padding:0 18px}.terminal-content{grid-template-columns:1fr;padding:14px}.catalog{padding:20px}.order-panel{min-height:300px;order:-1}.product-grid{grid-template-columns:repeat(2,1fr)}}