:root{--primary-color: #1fb5ad;--secondary-color: #c9a961;--dark-bg: #0f1419;--card-bg: #1a1f26;--text-primary: #ffffff;--text-secondary: #a0aec0;--border-color: #2d3748;--success: #48bb78;--danger: #f56565;--warning: #ed8936}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#0f1419,#1a1f26);color:var(--text-primary);min-height:100vh}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.login-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;padding:40px;max-width:400px;width:100%;text-align:center;box-shadow:0 20px 60px #00000080;animation:fadeInUp .5s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.logo{width:120px;height:120px;margin-bottom:20px;border-radius:50%;border:3px solid var(--primary-color);box-shadow:0 0 30px #1fb5ad4d}.login-card h1{font-size:28px;margin-bottom:10px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:var(--text-secondary);margin-bottom:30px;font-size:14px}.login-form{display:flex;flex-direction:column;gap:20px}.form-group input{width:100%;padding:15px;background:var(--dark-bg);border:1px solid var(--border-color);border-radius:10px;color:var(--text-primary);font-size:16px;transition:all .3s ease}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #1fb5ad1a}.btn-primary{padding:15px;background:linear-gradient(135deg,var(--primary-color),#159a93);border:none;border-radius:10px;color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #1fb5ad4d}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.error-message{background:#f565651a;border:1px solid var(--danger);color:var(--danger);padding:12px;border-radius:8px;font-size:14px}.app{min-height:100vh}.header{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:20px 0;box-shadow:0 4px 20px #0000004d}.header-content{max-width:1400px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:15px}.header-logo{width:50px;height:50px;border-radius:50%;border:2px solid var(--primary-color)}.header h1{font-size:24px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-logout{padding:10px 20px;background:#f565651a;border:1px solid var(--danger);border-radius:8px;color:var(--danger);cursor:pointer;transition:all .3s ease;font-weight:500}.btn-logout:hover{background:var(--danger);color:#fff}.container{max-width:1400px;margin:0 auto;padding:30px 20px}.platform-selector{display:flex;gap:15px;margin-bottom:30px;background:var(--card-bg);padding:10px;border-radius:15px;border:1px solid var(--border-color)}.platform-tab{flex:1;padding:15px 30px;background:transparent;border:2px solid transparent;border-radius:10px;color:var(--text-secondary);font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:10px}.platform-tab:hover:not(:disabled){background:#1fb5ad1a;color:var(--primary-color)}.platform-tab.active{background:linear-gradient(135deg,var(--primary-color),#159a93);color:#fff;border-color:var(--primary-color);box-shadow:0 5px 20px #1fb5ad4d}.platform-tab:disabled{opacity:.5;cursor:not-allowed}.platform-icon{font-size:24px}.products-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.products-header h2{font-size:24px;display:flex;align-items:center;gap:10px}.product-count{color:var(--text-secondary);font-size:18px;font-weight:400}.btn-refresh{padding:10px 20px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);cursor:pointer;transition:all .3s ease;font-weight:500}.btn-refresh:hover:not(:disabled){background:var(--primary-color);border-color:var(--primary-color);transform:translateY(-2px)}.btn-refresh:disabled{opacity:.6;cursor:not-allowed}.error-banner{background:#f565651a;border:1px solid var(--danger);color:var(--danger);padding:15px;border-radius:10px;margin-bottom:20px;font-weight:500}.loading{text-align:center;padding:60px 20px}.spinner{width:50px;height:50px;margin:0 auto 20px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.product-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:15px;overflow:hidden;transition:all .3s ease;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #1fb5ad33;border-color:var(--primary-color)}.product-image{width:100%;height:200px;background:var(--dark-bg);display:flex;align-items:center;justify-content:center;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover}.product-info{padding:20px}.product-name{font-size:18px;margin-bottom:10px;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-sku{color:var(--text-secondary);font-size:13px;margin-bottom:15px;font-family:monospace}.product-details{display:flex;flex-direction:column;gap:10px;margin-bottom:15px}.detail-item{display:flex;justify-content:space-between;align-items:center}.label{color:var(--text-secondary);font-size:14px}.value{color:var(--secondary-color);font-weight:600;font-size:16px}.stock-badge{padding:5px 12px;border-radius:20px;font-weight:600;font-size:14px}.stock-badge.in-stock{background:#48bb7833;color:var(--success);border:1px solid var(--success)}.stock-badge.out-of-stock{background:#f5656533;color:var(--danger);border:1px solid var(--danger)}.btn-update{width:100%;padding:12px;background:linear-gradient(135deg,var(--primary-color),#159a93);border:none;border-radius:8px;color:#fff;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-update:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #1fb5ad66}.btn-update:disabled{opacity:.6;cursor:not-allowed}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:18px}@media (max-width: 768px){.header-content{flex-direction:column;gap:15px}.platform-selector{flex-direction:column}.products-grid{grid-template-columns:1fr}.products-header{flex-direction:column;align-items:flex-start;gap:15px}}