/* Zona de arrastre */
.drop-zone {
    border: 2px dashed #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drop-zone:hover,
.drop-zone.active {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

/* Etiquetas de estado (solo colores personalizados) */
.status-uploading {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.status-completed {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Spinner de carga - mantener porque Bootstrap spinner es diferente */
.loading-spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary-color);
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 0.5rem;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Advertencia de cierre - mantener layout específico */
.unload-warning {
    display: none;
    position: fixed;
    inset: 0;
    /* Equivalente a top:0, right:0, bottom:0, left:0 */
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    color: white;
    flex-direction: column;
    padding: 2rem;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}