body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.tab-btn {
    padding: 10px 20px;
    margin-right: 10px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    transition: all 0.3s;
}

.tab-btn.active {
    color: #007bff;
    border-bottom: 2px solid #007bff;
    margin-bottom: -2px;
}

.tab-content {
    display: none;
    padding: 20px 0;
}

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

textarea {
    width: 100%;
    min-height: 100px;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    resize: vertical;
}

input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-bottom: 10px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}

.result {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 50px;
    word-break: break-all;
    background-color: #f8f9fa;
    font-size: 24px;
    line-height: 1.5;
}

.copy-btn {
    margin-top: 10px;
    background-color: #28a745;
}

.copy-btn:hover {
    background-color: #218838;
}