    <style>
        body { 
            background-color: #87CEFA; /* Light sky blue */ 
        }
        header { background-color: #4682B4; color: white; text-align: center; padding: 10px; font-size: 18px; }
        footer { background-color: #2F4F4F; color: white; text-align: center; padding: 10px; font-size: 12px; }
        
        [data-role="header"] {
          background-color: #4682B4;
          color: white;
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding: 0 10px 10px 10px; /* top: 0, right/left/bottom: 10px */
          font-size: 18px;
        }
      
        [data-role="header"] h1 {
          margin: 0;
          font-size: 1.2em;
        }
      
        .language-selector {
          padding: 5px;
          border-radius: 4px;
          border: none;
          font-size: 14px;
        }
  
        .input-box { width: 90%; height: 50px; margin: 10px auto; display: block; }

        .radio-buttons {
            width: 100%; /* 가득 차도록 */
            max-width: 500px;
            margin: 15px auto;
            display: flex;
            justify-content: center;
            flex-wrap: wrap; /* 화면 줄어들면 자동 줄바꿈 */
            gap: 8px; /* 버튼 사이 간격 */
        }
        
        .radio-buttons input[type="radio"] {
            display: none;
        }
        
        .radio-buttons label {
            background-color: #f0f4ff;
            color: #333;
            border-radius: 8px;
            padding: 8px 12px;
            font-weight: bold;
            border: 1px solid #ccc;
            cursor: pointer;
            transition: all 0.2s ease-in-out;
            white-space: nowrap; /* 한 줄 유지 */
        }
        
        .radio-buttons input[type="radio"]:checked + label {
            background-color: #4a90e2;
            color: #fff;
            border-color: #357ABD;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
        }
                
        .button-group { text-align: center; margin-top: 10px; }
        .button-group .ui-btn { display: inline-block; }
        .seed-input-box { width: 22%; display: inline-block; margin: 5px 1%; }
        .tab { width: 25%; display: inline-block; text-align: center; padding: 10px; cursor: pointer; }
        .tab.active { font-weight: bold; border-bottom: 3px solid #4682B4; }
        .ui-page {
          max-width: 500px;
          margin: 0 auto !important;
          background: white;
          min-height: 100vh;
          box-shadow: 0 0 10px rgba(0,0,0,0.1);
          position: relative !important;
        }

        .ui-disabled {
            pointer-events: none; /* 클릭 및 상호작용 비활성화 */
            opacity: 0.5; /* 흐릿하게 표시 */
            cursor: not-allowed; /* 비활성화 상태 커서 */
            color: #999; /* 비활성화된 텍스트 색상 */
            background-color: #ddd; /* 비활성화된 배경색 */
            text-decoration: none; /* 링크 스타일 제거 */
        }
        
        .ui-disabled:active, 
        .ui-disabled:focus, 
        .ui-disabled:hover {
            background-color: #ddd; /* 비활성화 상태에서 색상 유지 */
            color: #999; /* 텍스트 색상 유지 */
            box-shadow: none; /* 클릭 시 그림자 효과 제거 */
            outline: none; /* 포커스 테두리 제거 */
        }        
       .seed-input-container {
            display: flex;
            flex-wrap: wrap;  
            justify-content: space-between;
            gap: 4px;
            margin-bottom: 10px;
        }
        .seed-input-container input {
            width: 90px;
            height: 36px;
            font-size: 14px;
            padding: 5px;
            border: 1px solid #ccc;
            border-radius: 3px;
            text-align: center;
        }
        .tabs {
            display: flex;
            justify-content: space-evenly;
            background-color: #f1f1f1;
            border-bottom: 1px solid #ddd;
            margin: 0;
        }
        
        .tab-button {
            flex: 1;
            padding: 10px 0;
            text-align: center;
            background: none;
            border: none;
            font-size: 16px;
            cursor: pointer;
        }
        
        .tab-button.active {
            background-color: #007bff;
            color: white;
            font-weight: bold;
        }
        
        .tab-content {
            padding: 20px;
        }
        .receive-address {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .receive-address .left {
            flex: 1;
            width: 50%;
            margin-right: 10px;
        }
        
        .receive-address .right {
            flex: 1;
            width: 50%;
            text-align: center;
        }

        .small-text {
            font-size: 12px;
            margin: 2px 0;
        }
        
        .balance-display h2 {
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            margin: 20px 0;
        }
        .scan-btn {
            background-color: #ffc107;
            color: black;
        }
        
        .receive-btn {
            background-color: #28a745;
            color: white;
        }
        .seed-container {
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }
        .seed-container input {
            width: 90px;         /* 각 input의 너비를 90px로 설정 */
            margin: 5px;         /* 입력 필드 간 간격을 약간 추가 */
            display: inline-block; /* 입력 필드를 가로로 나열 */
        }
        .warning {
            color: red;
            font-weight: bold;
            margin: 20px 0;
        }
        .backup-instructions {
            margin: 20px 0;
        }

    .balance-box {
      background: #f5f7fa;
      border: 1px solid #e0e0e0;
      padding: 20px;
      border-radius: 16px;
      text-align: center;
      margin-bottom: 16px;
    }
    
    .balance-box h2 {
      margin: 0;
      font-size: 1.2rem;
      font-weight: normal;
      color: #333333;
    }

    .balance-box .amount {
      font-size: 2rem;
      font-weight: bold;
      margin-top: 8px;
      color: #111111;
    }
        
    .actions {
      display: flex;
      justify-content: space-between;
      margin-bottom: 24px;
    }
        
    .action-btn {
      flex: 1;
      background-color: #1e1e1e;
      margin: 0 4px;
      border-radius: 12px;
      text-align: center;
      padding: 12px 0;
      font-size: 0.9rem;
      cursor: pointer;
      transition: background 0.3s;
    }

    .action-btn:hover {
      background-color: #333;
    }

    .wallet-list {
      background-color: #1a1a1a;
      border-radius: 12px;
      overflow: hidden;
    }
    
    .wallet-item {
      display: flex;
      color: #ffffff;
      align-items: center;
      padding: 12px 16px;
      border-bottom: 1px solid #444;
      cursor: pointer;
    }
    
    .wallet-item:last-child {
      border-bottom: none;
    }
    
    .wallet-icon {
      width: 36px;
      height: 36px;
      margin-right: 12px;
      border-radius: 50%;
      background-color: #444;
      object-fit: contain;
    }
    
    .wallet-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
      flex-grow: 1;
      text-align: left; /* 왼쪽 정렬로 변경 */
    }
    
    .wallet-info .wallet-name-row {
      display: flex;
      align-items: center;
      gap: 8px; /* 이름과 네트워크 사이 간격 */
      font-size: 16px;
      font-weight: bold;
      color: #ffffff;
    }
    
    .wallet-info .wallet-price {
      color: #00ff88; /* 상승 시 색상, 필요시 JS로 class 변경 */
      font-size: 14px;
      margin-top: 4px;
    }
    
    .wallet-stats {
      display: flex;
      flex-direction: column;
      align-items: flex-end; /* 오른쪽 정렬 */
      justify-content: center;
      min-width: 100px; /* 기존보다 살짝 넓게 */
    }
    
    .wallet-stats .amount {
      font-size: 16px;
      font-weight: bold;
      color: #ffffff;
    }
    
    .wallet-stats .value {
      font-size: 14px;
      color: #cccccc;
      margin-top: 4px;
    }
#history-content {
  padding: 0;
  margin: 0;
  overflow: hidden;
}
#explorer-frame-container {
  width: 100%;
  margin: 0;
  padding: 0;
}

#confirm-send-btn:disabled {
  background-color: #ccc;
  color: #888;
}
    #quick-wallet-page .content-box {
        text-align: center;
        padding: 20px;
    }
    #quick-wallet-page input[type="text"] {
        width: 80%;
        margin: 10px auto;
        padding: 10px;
        border-radius: 8px;
        border: 1px solid #ccc;
        font-size: 1em;
        text-align: center;
    }
    #quick-wallet-page .ui-btn {
        margin: 10px auto;
        width: 80%;
        background-color: #4a90e2 !important;
        color: #fff !important;
        border-radius: 8px;
        font-weight: bold;
        padding: 10px;
    }
    #password-guide {
        font-size: 0.8em;
        color: #444;
        margin-top: -5px;
        margin-bottom: 10px;
    }
    </style>