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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 5px;
    color: #2c3e50;
}

.subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 30px;
    font-size: 0.9rem;
}

.translation-panel {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.language-selector {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.select-container {
    flex: 1;
    min-width: 120px;
    margin: 5px;
}

.select-container label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #7f8c8d;
}

select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #f9f9f9;
    font-size: 1rem;
}

#swapLanguages {
    background-color: #e8f4fc;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s;
    margin: 0 10px;
}

#swapLanguages:hover {
    background-color: #d1e9f9;
}

.text-panels {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.text-panel {
    flex: 1;
}

textarea {
    width: 100%;
    height: 120px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    resize: none;
    margin-bottom: 10px;
}

.controls {
    display: flex;
    gap: 10px;
}

button {
    padding: 10px 15px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s, transform 0.1s;
}

button:active {
    transform: translateY(1px);
}

.record-button, .speak-button {
    background-color: #e8f4fc;
    color: #3498db;
    display: flex;
    align-items: center;
    gap: 5px;
}

.record-button:hover, .speak-button:hover {
    background-color: #d1e9f9;
}

.record-button.recording {
    background-color: #ffe9e9;
    color: #e74c3c;
    animation: pulse 1.5s infinite;
}

.clear-button, .copy-button {
    background-color: #f5f5f5;
    color: #7f8c8d;
}

.clear-button:hover, .copy-button:hover {
    background-color: #e9e9e9;
}

.primary-button {
    width: 100%;
    padding: 15px;
    background-color: #3498db;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
}

.primary-button:hover {
    background-color: #2980b9;
}

.status-message {
    text-align: center;
    min-height: 24px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.status-message.error {
    color: #e74c3c;
}

.status-message.success {
    color: #2ecc71;
}

/* Animation for recording */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
    100% {
        opacity: 1;
    }
}

/* Media queries for responsiveness */
@media (min-width: 768px) {
    .text-panels {
        flex-direction: row;
    }
    
    textarea {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .translation-panel {
        padding: 15px;
    }
    
    textarea {
        height: 100px;
    }
    
    .button-text {
        display: none;
    }
    
    .record-button, .speak-button, .clear-button, .copy-button {
        padding: 10px;
        flex: 1;
        justify-content: center;
    }
}