.loading-modal-spinner {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

.spinner-bg {
    background: rgba(0, 0, 0, 0.3);
    padding: 10px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
}


.spinner-button {
    padding: 10px;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: default;
    user-select: none;
    width: 50px;
    height: 50px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}


.button-blue {
    background: #d8e7f4; /* claro y suave azul */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15), 0 0 6px rgba(33, 150, 243, 0.7);
}


.button-gray {
    background: #e0e0e0; /* gris claro */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15), 0 0 6px rgba(0, 0, 0, 0.4);
}


.button-orange {
    background: #f7ecd0; /* naranja claro suave */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15), 0 0 6px rgba(242, 176, 1, 0.7);
}


.button-dark {
    background: #888; /* gris oscuro */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.6), 0 0 6px rgba(255, 255, 255, 0.5);
}


.button-success {
    background: #d8efd0; /* verde claro */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15), 0 0 6px rgba(76, 175, 80, 0.7);
}

.spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
    border-style: solid;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-gray {
    border-color: #ccc;
    border-top-color: #000;
}

.spinner-blue {
    border-color: #b3d4fc;
    border-top-color: #2196f3;
}

.spinner-orange {
    border-color: #ecd79a;
    border-top-color: #f2b001;
}

.spinner-dark {
    border-color: #666;
    border-top-color: #fff;
}

.spinner-success {
    border-color: #c8e6c9;
    border-top-color: #4caf50;
}

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