/* 骨架屏基础样式 */
.skeleton-line {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    border-radius: 4px;
    animation: shimmer 1.5s infinite;
}

.skeleton-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.skeleton-avatar {
    width: 64px;
    height: 64px;
    border-radius: 8px;
}

.skeleton-title {
    height: 24px;
    margin-bottom: 12px;
}

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

.skeleton-text-short {
    width: 60%;
}

.skeleton-chart {
    height: 400px;
    border-radius: 8px;
}

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

/* 隐藏骨架屏 */
.skeleton-hidden {
    display: none;
}