/* Spinner styles for loading states */
.fa-spin {
    animation: fa-spin 1.5s infinite linear;
    display: inline-block;
}

/* Standard circular spinner styling */
.fa-spinner.fa-spin {
    color: #007bff;
    animation: fa-spin 1s infinite linear;
    display: inline-block;
}

.btn .fa-spin {
    margin-right: 8px;
}

.btn:disabled {
    opacity: 0.9;
    cursor: wait;
    position: relative;
    overflow: hidden;
}

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

/* Button with loading state */
.btn-loading {
    position: relative;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: btn-loading-shine 1.5s infinite;
    z-index: -1;
}

@keyframes btn-loading-shine {
    0% {
        transform: translateX(-100%);
    }
    60% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(100%);
    }
}