body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 800px;
    max-width: 90%;
    text-align: center;
}

h1 {
    color: #333;
}

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

.tab-button {
    flex: 1;
    padding: 10px;
    background-color: #e9ecef;
    border: none;
    cursor: pointer;
    border-radius: 4px 4px 0 0;
}

.tab-button.active {
    background-color: white;
    border-bottom: 2px solid #007bff;
}

.tab-content {
    display: none;
}

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

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

input, textarea {
    width: 95%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#outputUrlEncode, #outputUrlDecode {
    width: 95%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #f8f9fa;
    min-height: 20px;
    word-wrap: break-word;
    display: none;
}

label[for="outputUrlEncode"], label[for="outputUrlDecode"] {
    display: none;
}

#copyEncodeBtn, #copyDecodeBtn {
    display: none;
}

button {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.tab-button{
    color: black;
}

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

textarea {
    height: 100px;
    resize: vertical;
}

@media (max-width: 600px) {
    .container {
        width: 100%;
        padding: 10px;
    }
}