/* Estilos para o overlay de carregamento */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
    font-family: Arial, sans-serif;
}

.loading-spinner {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin-bottom: 20px;
}

.loading-message {
    font-size: 18px;
    text-align: center;
    max-width: 80%;
    line-height: 1.5;
}

.loading-progress {
    width: 300px;
    background-color: #444;
    height: 20px;
    border-radius: 10px;
    margin-top: 20px;
    overflow: hidden;
}

.loading-progress-bar {
    height: 100%;
    background-color: #3498db;
    width: 0%;
    transition: width 0.3s ease;
}

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