/* Estilos simplificados para o chat da TAU */
#tau-chat-iframe {
    width: 100%;
    height: 500px;
    border: none;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    background-color: #fff;
}

.tau-chat-container {
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius-xl);
    background-color: #fff;
}

/* Estilo para o container de carregamento */
.tau-chat-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    border-radius: var(--border-radius-md);
    z-index: 5;
}

.tau-chat-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(72, 52, 212, 0.1);
    border-radius: 50%;
    border-top-color: var(--tau-primary);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}