.app{width:100%;max-width:1200px;margin:0 auto}.container{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;overflow:hidden}.header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px;text-align:center}.header h1{font-size:2.5rem;margin-bottom:10px}.header p{font-size:1.1rem;opacity:.9}.nav{display:flex;background:#f7f7f7;border-bottom:2px solid #e0e0e0}.nav button{flex:1;padding:20px;background:transparent;font-size:1.1rem;font-weight:600;color:#666;transition:all .3s}.nav button.active{background:#fff;color:#667eea;border-bottom:3px solid #667eea}.nav button:hover:not(.active){background:#efefef}.alert{padding:15px 20px;margin:20px;border-radius:10px;font-weight:500}.alert.error{background:#fee;color:#c33;border-left:4px solid #c33}.products-section,.verify-section{padding:40px}.products-section h2,.verify-section h2{font-size:1.8rem;margin-bottom:30px;color:#333}.form-group{margin-bottom:20px}.form-group input{width:100%;padding:15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border .3s}.form-group input:focus{border-color:#667eea}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin-top:30px}.product-card{background:#f9f9f9;border:2px solid #e0e0e0;border-radius:15px;padding:30px;text-align:center;transition:transform .3s,box-shadow .3s}.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #667eea33;border-color:#667eea}.product-card h3{font-size:1.5rem;margin-bottom:15px;color:#333}.product-card .description{color:#666;margin-bottom:20px;line-height:1.5}.product-card .price{font-size:2rem;font-weight:700;color:#667eea;margin-bottom:10px}.product-card .duration{color:#888;margin-bottom:20px;font-size:.9rem}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:15px 30px;border-radius:10px;font-size:1rem;font-weight:600;transition:transform .2s,box-shadow .2s;width:100%}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 20px #667eea66}.verify-form{display:flex;gap:15px;margin-bottom:30px}.verify-input{flex:1;padding:15px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;font-family:monospace}.verify-input:focus{border-color:#667eea}.license-result{border-radius:15px;padding:30px;margin-top:20px}.license-result.valid{background:#e8f5e9;border:2px solid #4caf50}.license-result.invalid{background:#ffebee;border:2px solid #f44336}.status-badge{font-size:1.3rem;font-weight:700;margin-bottom:20px;padding:10px;border-radius:8px;text-align:center}.valid .status-badge{background:#4caf50;color:#fff}.invalid .status-badge{background:#f44336;color:#fff}.license-details{background:#fff;padding:20px;border-radius:10px}.detail-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eee}.detail-row:last-child{border-bottom:none}.detail-row .label{font-weight:600;color:#666}.detail-row .value{color:#333;font-family:monospace}.detail-row .value.status{text-transform:uppercase;font-weight:700}.footer{background:#f7f7f7;padding:30px;text-align:center;color:#666;border-top:2px solid #e0e0e0}.footer p{margin:5px 0}.loading{text-align:center;padding:40px;color:#666;font-size:1.1rem}@media (max-width: 768px){.header h1{font-size:2rem}.products-grid{grid-template-columns:1fr}.verify-form{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:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}button{cursor:pointer;border:none;outline:none;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.6}input{font-family:inherit;outline:none}