/**
 * Crime Simulator - 媒体优化CSS样式
 * 处理图片懒加载、视频优化、占位符样式等
 */

/* 懒加载图片样式 */
.lazy-image {
    transition: opacity 0.3s ease;
}

.lazy-image.loading {
    opacity: 0.7;
    background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    background-size: 400% 400%;
    animation: loadingShimmer 1.5s ease-in-out infinite;
}

.lazy-image.loaded {
    opacity: 1;
}

.lazy-image.error {
    opacity: 0.5;
    filter: grayscale(100%);
}

/* 加载动画 */
@keyframes loadingShimmer {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 图片占位符样式 */
.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    color: var(--text-muted);
    font-family: var(--font-secondary);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 视频优化样式 */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 比例 */
    overflow: hidden;
    border-radius: 12px;
    background: var(--dark-bg);
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 12px;
}

.video-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--neon-blue);
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: videoLoading 1s linear infinite;
}

@keyframes videoLoading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 视频占位符样式 */
.video-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.video-placeholder:hover {
    background: linear-gradient(135deg, var(--darker-bg), var(--dark-bg));
    transform: scale(1.02);
}

.video-placeholder .play-button {
    font-size: 4rem;
    color: var(--neon-blue);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.video-placeholder:hover .play-button {
    color: var(--neon-pink);
    transform: scale(1.1);
}

/* 视频错误状态 */
.video-error-content {
    text-align: center;
    color: var(--text-muted);
}

.video-error-content i {
    font-size: 2rem;
    color: var(--error-color);
    margin-bottom: 0.5rem;
}

/* WebP支持检测样式 */
.webp-supported .webp-fallback {
    display: none;
}

.webp-not-supported .webp-image {
    display: none;
}

/* 图片错误状态 */
.image-error {
    position: relative;
}

.image-error::after {
    content: '🖼️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    opacity: 0.5;
}

/* 响应式图片优化 */
.responsive-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: cover;
    border-radius: 8px;
}

/* 图片画廊优化 */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background: var(--dark-bg);
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
}

.screenshot-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.screenshot-item.loading img {
    opacity: 0.7;
}

/* 自适应图片大小 */
@media (max-width: 768px) {
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .screenshot-item img {
        height: 180px;
    }
    
    .video-placeholder .play-button {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .screenshot-item img {
        height: 160px;
    }
    
    .video-placeholder .play-button {
        font-size: 2.5rem;
    }
}

/* 图片预加载优化 */
.preload-image {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* 性能优化：减少重绘 */
.optimized-image {
    will-change: transform, opacity;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* 模糊加载效果 */
.blur-load {
    filter: blur(5px);
    transition: filter 0.3s ease;
}

.blur-load.loaded {
    filter: blur(0);
}

/* 渐进式JPEG支持 */
.progressive-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 图片比例保持 */
.aspect-ratio-16-9 {
    aspect-ratio: 16 / 9;
}

.aspect-ratio-4-3 {
    aspect-ratio: 4 / 3;
}

.aspect-ratio-1-1 {
    aspect-ratio: 1 / 1;
}

/* 图片加载状态指示器 */
.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--neon-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* 图片质量优化 */
.high-quality {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.smooth-image {
    image-rendering: auto;
    image-rendering: smooth;
}

/* 暗色模式优化 */
@media (prefers-color-scheme: dark) {
    .image-placeholder {
        background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    }
    
    .video-placeholder {
        background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .lazy-image.loading {
        background: #000000;
        border: 2px solid #ffffff;
    }
    
    .image-placeholder {
        background: #000000;
        border: 2px solid #ffffff;
        color: #ffffff;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .lazy-image,
    .screenshot-item,
    .video-placeholder,
    .loading-indicator {
        transition: none !important;
        animation: none !important;
    }
    
    .image-placeholder::before {
        animation: none !important;
    }
}

/* 打印样式优化 */
@media print {
    .video-placeholder,
    .loading-indicator {
        display: none;
    }
    
    .lazy-image {
        opacity: 1 !important;
        filter: none !important;
    }
}