.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.spinner-large {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(79, 70, 229, 0.2);
    border-top-color: #4F46E5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-loading {
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-loading .spinner {
    margin-left: 8px;
}

.loading-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.loading-spinner {
    text-align: center;
}

.loading-spinner p {
    margin-top: 16px;
    color: #666;
    font-size: 14px;
}

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #e0e0e0 50%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 16px;
    margin: 8px 0;
}

.skeleton-title {
    height: 24px;
    margin: 12px 0;
    width: 60%;
}

.skeleton-card {
    height: 200px;
    margin: 16px 0;
}