* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    color: #333;
    margin-bottom: 10px;
}

header p {
    color: #666;
}

.wallet-section {
    text-align: center;
    margin-bottom: 30px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #4CAF50;
    color: white;
}

.btn-primary:hover {
    background: #45a049;
}

.btn-success {
    background: #2196F3;
    color: white;
}

.btn-success:hover {
    background: #0b7dda;
}

.btn-warning {
    background: #ff9800;
    color: white;
}

.btn-warning:hover {
    background: #e68900;
}

.btn-secondary {
    background: #9e9e9e;
    color: white;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.wallet-info {
    margin-top: 15px;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 8px;
}

.migration-section {
    margin-bottom: 30px;
}

.balance-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.balance-card h3 {
    margin-bottom: 10px;
    color: #333;
}

.balance {
    font-size: 24px;
    font-weight: bold;
    color: #2196F3;
    margin-bottom: 15px;
}

.migration-form {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.approval-section {
    margin: 20px 0;
    padding: 15px;
    background: #fff3cd;
    border-radius: 8px;
    text-align: center;
}

.info-section {
    background: #e7f3ff;
    padding: 20px;
    border-radius: 10px;
}

.info-section h3 {
    margin-bottom: 15px;
    color: #333;
}

.info-section ul {
    list-style-position: inside;
}

.info-section li {
    margin-bottom: 8px;
    color: #555;
}

.status-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    width: 90%;
}

.transaction-hash {
    word-break: break-all;
    margin: 15px 0;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 5px;
    font-family: monospace;
}

.hidden {
    display: none !important;
}

.success {
    color: #4CAF50;
}

.error {
    color: #f44336;
}

.loading {
    color: #2196F3;
}