/* 图片懒加载动画 */
.lazy-image {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.lazy-image.loaded {
    opacity: 1;
    transform: scale(1);
}

/* 渐进式图片加载容器 */
.progressive-image-wrapper {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border-radius: 4px;
}

.progressive-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progressive-image {
    width: 100%;
    height: auto;
    opacity: 0;
    filter: blur(10px);
    transform: scale(1.05);
    transition: opacity 0.5s ease-out, filter 0.5s ease-out, transform 0.5s ease-out;
}

.progressive-image.loaded {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
}

.progressive-image-wrapper.loaded::before {
    animation: none;
}

/* 加载占位符 */
.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    position: relative;
    overflow: hidden;
}

.image-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: loading 1.5s infinite;
}

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

/* 头像加载效果 */
.avatar-container {
    position: relative;
    width: 120px;
    height: 120px;
    aspect-ratio: 1;
}

.avatar-container .lazy-image {
    border-radius: 50%;
}

.avatar-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.4;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.avatar-container.loaded::before {
    animation: none;
    opacity: 0;
}