styles.css

/* styles.css - Aesthetic & Interactive Styling for Audio Visualizer */

body {
    font-family: 'Arial', sans-serif;
    background-color: #121212;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background: #1e1e1e;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.3);
}

h1 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #00ffcc;
}

.start-button {
    background: #00ffcc;
    color: #121212;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

.start-button:hover {
    background: #009977;
}

.error-message {
    color: red;
    margin-top: 10px;
}

.visualizer {
    display: block;
    width: 100%;
    max-width: 600px;
    height: 300px;
    background: #000;
    border-radius: 5px;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0, 255, 204, 0.3);
}