/* YouTube Video Embed Responsive Styles */

/* 响应式视频容器 */
.video-container,
.post-content iframe[src*="youtube.com"],
.post-content iframe[src*="youtu.be"],
.inner-page-wrapper iframe[src*="youtube.com"],
.inner-page-wrapper iframe[src*="youtu.be"] {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 1.5rem 0;
}

/* 16:9 响应式比例容器 */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 比例 */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 8px;
}

/* TinyMCE 直接插入的 iframe 样式 */
.post-content iframe[src*="youtube"],
.post-content iframe[src*="youtu.be"],
.inner-page-wrapper iframe[src*="youtube"],
.inner-page-wrapper iframe[src*="youtu.be"],
.block-grid-row iframe[src*="youtube"],
.block-grid-row iframe[src*="youtu.be"] {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin: 1.5rem auto;
    display: block;
}

/* 确保视频在小屏幕上不会溢出 */
@media (max-width: 768px) {
    .video-wrapper {
        border-radius: 4px;
        margin: 1rem 0;
    }

    .post-content iframe[src*="youtube"],
    .post-content iframe[src*="youtu.be"],
    .inner-page-wrapper iframe[src*="youtube"],
    .inner-page-wrapper iframe[src*="youtu.be"] {
        width: 100% !important;
        height: auto;
        aspect-ratio: 16 / 9;
        margin: 1rem 0;
    }
}

/* 防止视频在编辑器中被选中 */
.mce-content-body iframe {
    pointer-events: none;
}

/* 视频加载占位符 */
.video-wrapper::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.video-wrapper.loading::before {
    opacity: 1;
}

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

/* 视频标题样式（可选） */
.video-caption {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    font-style: italic;
}