:root{--primary-color: rgba(31, 52, 101, 1);--accent-color: rgba(192, 142, 45, 1);--primary-hover: #1d4ed8;--success-color: #10b981;--bg-color: #f3f4f6;--card-bg: #ffffff;--text-main: #111827;--text-muted: #6b7280;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%}#root{min-height:100%;display:flex;flex-direction:column;background-color:var(--bg-color)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text-main);line-height:1.5}button{cursor:pointer;padding:.75rem 1.5rem;border-radius:6px;border:none;font-weight:600;transition:all .2s ease;font-size:.95rem}button.primary-btn{background-color:var(--primary-color);color:#fff;width:100%}button.primary-btn:hover{background-color:var(--primary-hover)}button.secondary-btn{background-color:#fff;border:1px solid var(--border-color);color:var(--text-main)}button.secondary-btn:hover{background-color:#f9fafb}button.add-btn{background-color:var(--text-main);color:#fff;width:100%;margin-top:10px}button.add-btn:hover{opacity:.9}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--card-bg);padding:2.5rem;border-radius:12px;box-shadow:var(--shadow-md);width:100%;max-width:420px}.auth-header{margin-bottom:2rem;text-align:center}.auth-header h2{font-size:1.5rem;margin-bottom:.5rem}.form-group{display:flex;flex-direction:column;gap:1rem}input,textarea,select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:6px;font-size:1rem;transition:border-color .2s;background-color:#fff}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:80px}.toggle-link{margin-top:1.5rem;text-align:center;font-size:.9rem;color:var(--primary-color);cursor:pointer}.toggle-link:hover{text-decoration:underline}.dashboard-nav{background:#fff;padding:1rem 2rem;box-shadow:var(--shadow-sm);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.nav-logo{font-weight:700;font-size:1.25rem;color:var(--primary-color)}.logotextaccent{color:var(--accent-color);display:inline-block}.nav-user span{margin-right:1rem;color:var(--text-muted);font-size:.9rem}.main-content{max-width:1400px;margin:2rem auto;padding:0 1rem;display:grid;grid-template-columns:200px 1fr 300px;gap:2rem;align-items:start}.products-section h3{margin-bottom:1rem;font-size:1.25rem}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.5rem}.product-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);display:flex;flex-direction:column;justify-content:space-between}.product-name{font-weight:600;font-size:1.1rem;margin-bottom:.5rem}.price-tag{display:flex;justify-content:space-between;align-items:center;margin:1rem 0}.price-original{text-decoration:line-through;color:var(--text-muted);font-size:.9rem}.price-final{color:var(--success-color);font-weight:700;font-size:1.2rem}.cart-card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:var(--shadow-md);position:sticky;top:90px;height:fit-content}.cart-item{display:flex;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border-color)}.cart-total{margin-top:1.5rem;padding-top:1rem;border-top:2px solid var(--border-color);display:flex;justify-content:space-between;font-weight:700;font-size:1.1rem}.empty-cart-msg{color:var(--text-muted);text-align:center;padding:2rem 0;font-style:italic}@media(max-width:768px){.main-content{grid-template-columns:1fr}.cart-card{position:relative;top:0;order:-1;margin-bottom:2rem}}.product-actions{display:flex;gap:10px;margin-top:10px}.quantity-input{width:80px;padding:.75rem;border:1px solid var(--border-color);border-radius:6px;text-align:center;font-weight:600}.remove-btn{background:none;border:none;color:#ef4444;font-size:.8rem;padding:0;margin-left:10px;cursor:pointer;text-decoration:underline}.remove-btn:hover{color:#dc2626;background:none}.config-row{display:flex;gap:10px;margin-bottom:10px}.config-input{flex:1;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;font-size:.9rem}.config-label{font-size:.8rem;color:var(--text-muted);margin-bottom:4px;display:block}.cart-item-details{font-size:.85rem;color:#555;margin-top:4px;padding-left:10px;border-left:2px solid var(--border-color)}.filter-sidebar{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);position:sticky;top:90px}.filter-sidebar h3{font-size:1.1rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--border-color)}.category-btn{display:block;width:100%;text-align:left;background:none;border:none;padding:.5rem .75rem;margin-bottom:.25rem;border-radius:4px;cursor:pointer;color:var(--text-muted);font-size:.95rem}.category-btn:hover{background-color:var(--bg-color);color:var(--text-main)}.category-btn.active{background-color:#eff6ff;color:var(--primary-color);font-weight:600}@media(max-width:1024px){.main-content{grid-template-columns:1fr}.filter-sidebar,.cart-card{position:relative;top:0;width:100%}}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite;margin-right:10px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}button:disabled{opacity:.7;cursor:not-allowed}