body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f0f2f5;margin:0;padding:20px;display:flex;justify-content:center;align-items:center;min-height:100vh}.container{width:600px;max-width:100%}h1{text-align:center;color:#333;margin-bottom:30px}h2{color:#444;border-bottom:2px solid #eee;padding-bottom:10px;margin-top:0}.card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 4px 15px #0000001a;margin-bottom:20px}.input-group{margin-bottom:15px}label{display:block;margin-bottom:5px;font-weight:600;color:#555}input[type=text],input[type=number]{width:100%;padding:10px;border:1px solid #ddd;border-radius:6px;box-sizing:border-box;font-size:14px}button{cursor:pointer;font-size:16px;padding:10px 20px;border:none;border-radius:6px;transition:opacity .2s}button:hover{opacity:.9}.primary-btn{background-color:#3b82f6;color:#fff;width:100%}.action-btn{background-color:#10b981;color:#fff;width:100%;margin-top:10px}.secondary-btn{background-color:#6b7280;color:#fff;margin-top:5px;width:auto}.success-btn{background-color:#10b981;color:#fff}.warning-btn{background-color:#f59e0b;color:#fff}.action-buttons{display:flex;gap:10px;margin-top:15px}.action-buttons button{flex:1}.status{margin-top:15px;font-size:14px;color:#666;font-style:italic;word-break:break-all}.hidden{display:none}#walletAddress{text-align:center;margin-top:10px;font-weight:700;color:#3b82f6}