body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
}

h2 {
    color: #2c3e50;
    font-size: 1.8em;
    margin-bottom: 25px;
    text-align: center;
}

textarea {
    width: calc(100% - 24px);
    height: 120px;
    padding: 12px;
    margin-bottom: 25px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

textarea:focus {
    border-color: #3498db;
    outline: none;
}

.file-upload {
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input[type="file"] {
    padding: 10px;
    background-color: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    width: calc(100% - 24px);
}

button {
    padding: 12px 25px;
    border-radius: 25px;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.send-btn {
    background-color: #3498db;
    color: white;
    width: 100%;
    margin-top: 20px;
}

.send-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.remove-btn {
    background-color: #e74c3c;
    color: white;
    padding: 8px 15px;
    font-size: 14px;
}

.remove-btn:hover {
    background-color: #c0392b;
}

.audio-recording {
    margin: 25px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

#recordButton {
    background-color: #2ecc71;
    color: white;
}

#recordButton:hover {
    background-color: #27ae60;
}

audio {
    width: 100%;
    margin: 10px 0;
    border-radius: 12px;
}

@media (max-width: 480px) {
    .container {
        padding: 20px;
    }
    
    h2 {
        font-size: 1.5em;
    }
    
    button {
        padding: 10px 20px;
        font-size: 14px;
    }
}