* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2rem;
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
    margin-bottom: 0.5rem;
}

.creator {
    font-size: 0.9rem;
    color: #888;
    font-style: italic;
}

main {
    display: grid;
    gap: 1.5rem;
    background-color: #2a2a2a;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.input-section {
    text-align: center;
}

#audioSource {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: #3a3a3a;
    color: #e0e0e0;
    border: 2px solid #ffd700;
    border-radius: 5px;
    margin: 1rem 0;
    cursor: pointer;
}

.input-indicator {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #3a3a3a;
    border-radius: 5px;
    margin-top: 1rem;
}

.input-indicator.active {
    background-color: #4CAF50;
    color: white;
}

.controls-section {
    display: grid;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: #333;
    border-radius: 8px;
}

.control-group {
    display: grid;
    gap: 0.5rem;
}

label {
    font-size: 1.1rem;
    color: #ffd700;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 10px;
    background: #4a4a4a;
    border-radius: 5px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #ffd700;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.slider::-webkit-slider-thumb:hover {
    background: #ffed4a;
}

.value-display {
    text-align: right;
    font-family: monospace;
    color: #ffd700;
}

.visualizer-section {
    margin-top: 2rem;
}

#visualizer {
    width: 100%;
    height: 150px;
    background-color: #1a1a1a;
    border: 2px solid #333;
    border-radius: 4px;
}

footer {
    text-align: center;
    margin-top: 2rem;
    color: #666;
}

@media (min-width: 768px) {
    .controls-section {
        grid-template-columns: repeat(2, 1fr);
    }
}
.clear-button {
    padding: 0.5rem 1rem;
    background-color: #3a3a3a;
    color: #e0e0e0;
    border: 2px solid #ffd700;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background-color 0.2s;
}

.clear-button:hover {
    background-color: #4a4a4a;
}