body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    font-size: 16px;
}

.container {
    width: 80%;
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 15px;
    font-weight: bold;
}

.form-input {
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

textarea.form-input {
    min-height: 100px;
}

.form-group {
    display: flex;
    align-items: center;
    margin-top: 15px;
}

.form-group label {
    flex: 1;
}

.form-group input[type="range"] {
    flex: 2;
}

.form-group span {
    flex: 0 0 40px;
    text-align: right;
}

.form-button {
    padding: 10px;
    margin-top: 20px;
    background-color: #5c6bc0;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.form-button:hover {
    background-color: #3f51b5;
}

#audio-history {
    margin-top: 20px;
}

.audio-item {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 15px;
}

.audio-item p {
    margin: 0 0 10px 0;
    font-size: 14px;
}

.audio-id {
    font-weight: bold;
    color: #666;
}

audio {
    width: 100%;
    margin-top: 10px;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

.replay-loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none;
}

.button-container {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.button-container button {
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.button-container button:hover {
    background-color: #45a049;
}

/* Aplicar o estilo azul ao segundo botão */
.button-container button:nth-child(2) {
    background-color: #2196F3; /* Azul */
}

.button-container button:nth-child(2):hover {
    background-color: #1976D2; /* Azul mais escuro ao passar o mouse */
}


.button-container button:last-child {
    background-color: #f44336;
}

.button-container button:last-child:hover {
    background-color: #da190b;
}

.button-container button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}