:root{font-family:system-ui,-apple-system,sans-serif}body{margin:0;min-height:100vh;display:flex;flex-direction:column}#root{flex-grow:1;display:flex;flex-direction:column}*{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-color:#f5f7fa}.app{min-height:100vh;width:100%;display:flex;flex-direction:column}html,body,#root{margin:0;padding:0;height:100%}#root{display:flex;flex-direction:column;max-width:100%;margin:0 auto;padding:0}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.main-content{margin-top:70px;padding:2rem;max-width:1200px;margin-left:auto;margin-right:auto;width:100%;flex:1}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:#fff;box-shadow:0 2px 4px #0000001a;position:fixed;top:0;left:0;right:0;z-index:1000}.navbar-brand h1{margin:0;font-size:1.5rem;color:#333}.navbar-actions{display:flex;gap:1rem;align-items:center}.nav-button{padding:.5rem 1rem;border:1px solid #ddd;border-radius:4px;background-color:#fff;color:#333;cursor:pointer;font-size:.9rem;transition:all .3s ease}.nav-button:hover{background-color:#f5f5f5}.login-button{background-color:#4a90e2;color:#fff;border:none}.login-button:hover{background-color:#357abd}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1100}.modal-content{position:relative;background-color:#fff;border-radius:8px;padding:2rem;width:100%;max-width:400px}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#666}.user-menu-container{position:relative}.user-menu{position:absolute;top:100%;right:0;margin-top:.5rem;background-color:#fff;border:1px solid #ddd;border-radius:4px;box-shadow:0 2px 8px #0000001a;min-width:120px}.user-menu button{width:100%;padding:.5rem 1rem;text-align:left;border:none;background:none;cursor:pointer}.user-menu button:hover{background-color:#f5f5f5}._productList_dw0dx_1{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px;max-width:800px;margin:0 auto;height:100%;overflow-y:auto;box-sizing:border-box}._productCard_dw0dx_13{border:1px solid #ddd;border-radius:8px;padding:15px;text-align:center;display:flex;flex-direction:column;height:fit-content;background-color:#fff}._productImage_dw0dx_24{width:100%;height:200px;object-fit:cover;border-radius:4px;margin-bottom:10px}._productName_dw0dx_32{font-size:1.2em;margin:8px 0}._productPrice_dw0dx_37{margin:8px 0}._buttonGroup_dw0dx_41{display:flex;gap:10px;justify-content:center;margin-top:auto}._buyButton_dw0dx_48,._shareButton_dw0dx_48{padding:10px 15px;border-radius:5px;cursor:pointer;text-decoration:none;display:inline-block;font-size:14px;border:none}._buyButton_dw0dx_48{background-color:#007bff;color:#fff}._buyButton_dw0dx_48:hover{background-color:#0056b3}._shareButton_dw0dx_48{background-color:#28a745;color:#fff}._shareButton_dw0dx_48:hover{background-color:#218838}@media (max-width: 600px){._productList_dw0dx_1{grid-template-columns:1fr}}.payment-page{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px;display:flex;align-items:center;justify-content:center}.payment-container{background:#fff;border-radius:16px;box-shadow:0 20px 40px #0000001a;padding:40px;max-width:600px;width:100%;margin:20px}.payment-header{text-align:center;margin-bottom:40px}.payment-header h1{color:#333;font-size:2.5rem;font-weight:700;margin-bottom:20px}.order-summary{background:#f8f9fa;border-radius:12px;padding:24px;margin-top:20px}.order-summary h2{color:#555;font-size:1.2rem;margin-bottom:16px;font-weight:600}.order-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e9ecef}.order-item:last-child{border-bottom:none}.product-name{font-size:1.1rem;color:#333;font-weight:500}.product-price{font-size:1.3rem;color:#e74c3c;font-weight:700}.payment-form{display:flex;flex-direction:column;gap:24px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;color:#333;font-size:1rem}.form-group input,.form-group textarea{padding:16px;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;transition:all .3s ease;background:#fff}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:16px;margin-top:20px}.btn-primary,.btn-secondary{flex:1;padding:16px 24px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:flex;align-items:center;justify-content:center}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #667eea4d}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#f8f9fa;color:#666;border:2px solid #e9ecef}.btn-secondary:hover{background:#e9ecef;color:#333}@media (max-width: 768px){.payment-container{padding:24px;margin:10px}.payment-header h1{font-size:2rem}.form-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%}}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.btn-primary:disabled{animation:pulse 1.5s infinite}.footer{width:100%;padding:1rem;background-color:#fff;text-align:center;border-top:1px solid #eee;margin-top:auto}.footer p{margin:0;color:#666;font-size:.9rem}