body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #333;
    text-align: center;
}

.section {
    margin: 30px 0;
}

.input-group {
    margin: 15px 0;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #666;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    margin: 10px 0;
}

button:hover {
    background-color: #45a049;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.error {
    color: #d32f2f;
    margin: 10px 0;
}

.success {
    color: #388e3c;
    margin: 10px 0;
}

.info {
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.balance {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
    margin: 5px 0;
}

.tab-container {
    display: flex;
    margin-bottom: 20px;
}

.tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    background-color: #f5f5f5;
    cursor: pointer;
    border: 1px solid #ddd;
}

.tab.active {
    background-color: #4CAF50;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.network-selector {
    display: flex;
    justify-content: center;
    margin: 20px 0;
    gap: 10px;
}

.network-btn {
    padding: 8px 16px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.network-btn:hover {
    background-color: #e0e0e0;
}

.network-btn.active {
    background-color: #2196F3;
    color: white;
    border-color: #2196F3;
}

.import-btn-small {
    width: auto;
    padding: 4px 10px;
    margin-left: 10px;
    font-size: 14px;
    background-color: #f0f0f0;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s;
}

.import-btn-small:hover {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
}