/* Reset some default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Global Styles */
body {
    font-family: 'Arial', sans-serif;
    background-color: #F4F7FC; /* Light background color */
    color: #333333; /* Dark gray text for good contrast */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

/* Container to center content and add spacing */
.container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    text-align: center;
}

/* Header styles */
h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #4A90E2; /* Primary blue for header */
}

/* Textarea for input */
textarea {
    width: 100%;
    height: 150px;
    padding: 15px;
    font-size: 16px;
    color: #333;
    background-color: #F7F8FA; /* Light background for text area */
    border: 1px solid #ddd;
    border-radius: 8px;
    resize: none;
    transition: border 0.3s ease-in-out;
}

textarea:focus {
    border-color: #50C4B6; /* Teal focus border */
    outline: none;
}

/* Label styling */
label {
    font-size: 1rem;
    margin-top: 15px;
    display: block;
    text-align: left;
    color: #666; /* Soft gray for labels */
    font-weight: 600;
}

/* Select dropdown */
select {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #F7F8FA; /* Light background for dropdown */
    color: #333;
    transition: border-color 0.3s ease-in-out;
}

select:focus {
    border-color: #50C4B6; /* Teal focus border */
    outline: none;
}

/* Range sliders */
input[type="range"] {
    width: 100%;
    margin: 15px 0;
    -webkit-appearance: none;
    appearance: none;
    height: 5px;
    border-radius: 5px;
    background: #ddd; /* Neutral gray for sliders */
    transition: background 0.3s ease-in-out;
}

input[type="range"]:focus {
    background: #4A90E2; /* Blue for focused sliders */
}

/* Span to display rate and pitch values */
span {
    font-size: 1rem;
    margin-left: 10px;
    color: #4A90E2; /* Blue text for rate and pitch value */
}

/* Button styles */
button {
    background-color: #4A90E2; /* Primary blue for buttons */
    color: #fff;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    margin: 10px 5px;
    transition: background-color 0.3s ease-in-out;
}

button:hover {
    background-color: #357AB7; /* Slightly darker blue on hover */
}

button:disabled {
    background-color: #d1e0e8;
    cursor: not-allowed;
}

/* Focused Button with a subtle purple border */
button:focus {
    border: 2px solid #9B87F6; /* Soft lavender border on focus */
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 30px;
    }

    h1 {
        font-size: 1.8rem;
    }

    textarea {
        height: 120px;
    }

    button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}