:root{--bg: #faf7f2;--panel: #ffffff;--ink: #2b2b2b;--muted: #8a8a8a;--primary: #e8590c;--primary-dark: #c44a06;--border: #ece7df;--ok: #2e7d32;--warn: #c62828;--shadow: 0 2px 8px rgba(0, 0, 0, .06)}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}h1{font-size:1.6rem;margin:0 0 1rem}h2{font-size:1.1rem;margin:0 0 .75rem}.muted{color:var(--muted)}.small{font-size:.85rem}.center{min-height:100vh;display:grid;place-items:center;padding:1rem}.shop-header{display:flex;align-items:center;gap:2rem;padding:.85rem 1.75rem;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.shop-brand{font-size:1.5rem;font-weight:800;color:var(--primary)}.shop-nav{display:flex;gap:1.25rem;flex:1}.shop-nav a{font-weight:600;padding:.35rem 0;border-bottom:2px solid transparent}.shop-nav a.active{border-color:var(--primary);color:var(--primary)}.cart-badge{background:var(--primary);color:#fff;border-radius:999px;padding:0 .45rem;margin-left:.35rem;font-size:.75rem}.shop-user{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.shop-main{max-width:1100px;margin:0 auto;padding:1.75rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:1.25rem;margin-bottom:1.25rem}.login-card{width:340px;display:flex;flex-direction:column;gap:.75rem}.login-card h1{margin:0;color:var(--primary)}label{display:flex;flex-direction:column;gap:.3rem;font-size:.9rem}input,select{padding:.55rem .65rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:inherit}input:focus,select:focus{outline:2px solid var(--primary);border-color:var(--primary)}button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:.55rem 1rem;font-size:.95rem;font-weight:600;cursor:pointer}button:hover{background:var(--primary-dark)}button:disabled{opacity:.55;cursor:not-allowed}.btn-link{background:none;color:var(--primary);padding:0;font-weight:600}.btn-link:hover{background:none;text-decoration:underline}.btn-link.danger{color:var(--warn)}.catalogue-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.search{min-width:260px}.filter-bar{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;margin-top:.75rem;margin-bottom:.25rem}.filter-bar select{min-width:180px;flex:1 1 180px}.filter-reset{white-space:nowrap;color:var(--muted)!important;font-size:.85rem}.filter-reset:hover{color:var(--warn)!important}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem;margin-top:1rem}.product-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.product-image{height:150px;background:#f1ece4;display:grid;place-items:center}.product-image img{width:100%;height:100%;object-fit:cover}.image-placeholder{font-size:3rem;font-weight:700;color:var(--primary);opacity:.5}.product-body{padding:.9rem;display:flex;flex-direction:column;gap:.5rem;flex:1}.product-body h3{margin:0;font-size:1rem}.chip{align-self:flex-start;background:#f1ece4;color:var(--muted);border-radius:999px;padding:.1rem .55rem;font-size:.75rem}.chip-family{background:#e8f4e8;color:#2e7d32}.chip-brand{background:#e8eaf6;color:#3949ab}.product-chips{display:flex;flex-wrap:wrap;gap:.3rem}.price{font-size:1.15rem;font-weight:700;color:var(--primary);margin:.25rem 0 .5rem}.product-body button{margin-top:auto}.cart-layout{display:grid;grid-template-columns:2fr 1fr;gap:1.25rem;align-items:start}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-size:.8rem;text-transform:uppercase}.qty{width:64px}.checkout{position:sticky;top:90px}.checkout-total{display:flex;justify-content:space-between;font-size:1.2rem;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.checkout label{margin-bottom:1rem}.checkout button{width:100%}.confirmation{max-width:520px}.confirmation h1{color:var(--ok)}.error{background:#fdecea;color:var(--warn);padding:.65rem .85rem;border-radius:8px;margin-bottom:1rem}@media (max-width: 720px){.cart-layout{grid-template-columns:1fr}}