*{box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#f4f4f9;display:flex;justify-content:center;align-items:center;height:100vh;margin:0}.app-container{display:flex;flex-direction:column;align-items:center}.large-logo{max-width:256px;margin-bottom:26px}.app-layout{display:flex;gap:20px;align-items:flex-start}.app{text-align:center;max-width:512px;padding:26px;background:#fff;border-radius:13px;box-shadow:0 5px 10px #0000001a}.data-history-box{width:250px;padding:20px;background:#f9f9f9;border-radius:10px;box-shadow:0 5px 10px #0000001a}.data-history-box h2{font-size:1.4rem;margin-bottom:10px;text-align:center}.data-history-box ul{list-style-type:none;padding:0}.data-history-box li{font-size:1.1rem;margin-bottom:8px}.network-section{display:flex;justify-content:space-between;gap:26px;margin:26px 0}.network-select,.network-to{display:flex;flex-direction:column;align-items:flex-start}.network-select label,.network-to label{font-size:1.4rem;margin-bottom:6px}.network-select select{font-size:1.4rem;padding:10px;border:1px solid #ccc;border-radius:6px;width:192px}.network-to-text{font-size:1.4rem;font-weight:700}.network-to-text.sepolia{color:#6a0dad}.network-to-text.basesepolia{color:#007bff}.primary-button,.secondary-button{width:100%;padding:15px;margin-top:13px;border:none;border-radius:6px;font-size:1.28rem;cursor:pointer}.primary-button{background-color:#4caf50;color:#fff}.secondary-button{background-color:#007bff;color:#fff}.primary-button:hover,.secondary-button:hover{opacity:.9}.wallet-info,.transaction-info{margin-top:19px;color:#333;font-size:1.15rem}.data-history-section{margin-top:20px;padding:10px;border:1px solid #ddd;border-radius:5px;background-color:#f9f9f9;max-height:300px;overflow-y:auto}.data-history-list ul{list-style-type:none;padding:0;margin:0}.data-history-list li{padding:8px;border-bottom:1px solid #ddd}.data-history-list li:last-child{border-bottom:none}