body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    text-align: center;
    padding: 20px;
}

/* Dark mode styles */
body.dark-mode {
    background-color: #333;
    color: #f4f4f4;
}

body.dark-mode header {
    background-color: #FF0000; /* Red color for header in dark mode */
}

body.dark-mode button {
    background-color: #FF0000; /* Red color for buttons in dark mode */
}

body.dark-mode button:hover {
    background-color: #b30000; /* Darker red for button hover in dark mode */
}

header {
    background-color: #007BFF;
    color: #fff;
    padding: 20px 0;
    margin-bottom: 20px;
}

button {
    background-color: #007BFF;
    color: #fff;
    border: none;
    margin: 10px;
    cursor: pointer;
    border-radius: 5px;
    padding: 15px 30px; /* Increased padding for larger buttons */
    font-size: 1.2em; /* Increased font size */
}

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

.custom-range {
    margin: 20px 0;
}

.display-area {
    font-size: 2em;
    margin-top: 20px;
}


/* Added generation animation */
@keyframes scaleUp {
    0% { transform: scale(1); }
    50% { transform: scale(1.5); }
    100% { transform: scale(1); }
}

.display-area span {
    display: inline-block; /* Required for transform */
    animation: scaleUp 0.5s; /* Apply the scale animation */
}


/* Dark Mode Switch */
.toggle-switch {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px;
    background-color: rgba(255, 255, 255, 0.5); /* Semi-transparent white background */
    border-radius: 15px; /* Rounded corners */
}

.toggle-input {
    display: none;
}

.toggle-label {
    position: relative;
    width: 50px;
    height: 24px;
    background-color: #ccc;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.toggle-label::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
}

.toggle-input:checked + .toggle-label {
    background-color: #007BFF;
}

.toggle-input:checked + .toggle-label::before {
    transform: translateX(26px);
}