cat > public/styles.css << 'EOF'
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
    color: #333;
}
header {
    text-align: center;
    margin-bottom: 30px;
}
h1 {
    color: #1a73e8;
    margin-bottom: 10px;
}
.app-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.controls-container {
    flex: 1;
    min-width: 300px;
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.output-container {
    flex: 2;
    min-width: 300px;
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.control-group {
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}
select, button {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ddd;
    font-size: 16px;
}
button {
    background-color: #1a73e8;
    color: white;
    border: none;
    padding: 12px;
    cursor: pointer;
    font-weight: 500;
    margin-top: 10px;
    transition: background-color 0.2s;
}
button:hover {
    background-color: #155db5;
}
button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
.output-box {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    min-height: 150px;
    margin-bottom: 15px;
    background-color: #f8f9fa;
    overflow-y: auto;
    max-height: 300px;
}
.output-box h3 {
    margin-top: 0;
    color: #1a73e8;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}
.output-text {
    white-space: pre-wrap;
    line-height: 1.5;
}
.status {
    padding: 8px;
    margin: 10px 0;
    border-radius: 4px;
    text-align: center;
}
.recording {
    background-color: #ffebee;
    color: #c62828;
}
.idle {
    background-color: #e8f5e9;
    color: #2e7d32;
}
.error {
    background-color: #fff3e0;
    color: #e65100;
}
.initializing {
    background-color: #e3f2fd;
    color: #0277bd;
}
.metrics {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}
.metric-box {
    flex: 1;
    padding: 10px;
    border-radius: 4px;
    background-color: #e3f2fd;
    text-align: center;
    margin: 0 5px;
}
.metric-value {
    font-size: 18px;
    font-weight: bold;
    color: #1a73e8;
}
.visualization {
    margin: 20px 0;
    height: 60px;
    background-color: #f5f5f5;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}
#audio-visualizer {
    width: 100%;
    height: 100%;
}
.language-pair {
    display: flex;
    gap: 10px;
}
.language-pair select {
    flex: 1;
}
.info-section {
    margin-top: 30px;
    padding: 15px;
    background-color: #e8f0fe;
    border-radius: 8px;
    font-size: 0.9em;
}