/* VideoHub Player - 现代视频播放器样式 */

/* 全局变量 */
:root {
    --videohub-primary-color: #0073aa;
    --videohub-secondary-color: #23282d;
    --videohub-text-color: #333;
    --videohub-bg-color: #f8f9fa;
    --videohub-border-color: #dee2e6;
    --videohub-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --videohub-border-radius: 8px;
    --videohub-transition: all 0.3s ease;
}

/* 播放器容器 */
.videohub-player-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 20px 0;
    background: #000;
    border-radius: var(--videohub-border-radius);
    overflow: hidden;
    box-shadow: var(--videohub-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.videohub-player-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    background: #000;
}

.videohub-player-wrapper.ratio-4-3 {
    padding-bottom: 75%; /* 4:3 宽高比 */
}

.videohub-player-wrapper.ratio-21-9 {
    padding-bottom: 42.86%; /* 21:9 宽高比 */
}

/* 视频元素 */
.videohub-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
}

/* 选项卡系统 */
.videohub-tabs-container {
    background: var(--videohub-bg-color);
    border-bottom: 1px solid var(--videohub-border-color);
}

.videohub-tabs-nav {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: #fff;
    border-radius: var(--videohub-border-radius) var(--videohub-border-radius) 0 0;
}

.videohub-tabs-nav::-webkit-scrollbar {
    display: none;
}

.videohub-tab-button {
    flex: none;
    padding: 12px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--videohub-text-color);
    transition: var(--videohub-transition);
    white-space: nowrap;
    position: relative;
}

.videohub-tab-button:hover {
    color: var(--videohub-primary-color);
    background: rgba(0, 115, 170, 0.05);
}

.videohub-tab-button.active {
    color: var(--videohub-primary-color);
    background: #fff;
}

.videohub-tab-button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--videohub-primary-color);
}

/* 视频列表 */
.videohub-video-list {
    padding: 20px;
    max-height: 300px;
    overflow-y: auto;
    background: #fff;
}

.videohub-video-list.horizontal-scroll {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    -ms-overflow-style: none;
    padding: 15px 20px;
    gap: 15px;
}

.videohub-video-list.horizontal-scroll::-webkit-scrollbar {
    height: 6px;
}

.videohub-video-list.horizontal-scroll::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.videohub-video-list.horizontal-scroll::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.videohub-video-list.horizontal-scroll::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* 视频项目 */
.videohub-video-item {
    display: flex;
    align-items: center;
    padding: 10px;
    cursor: pointer;
    transition: var(--videohub-transition);
    border-radius: 6px;
    margin-bottom: 8px;
}

.videohub-video-item:last-child {
    margin-bottom: 0;
}

.videohub-video-item:hover {
    background: rgba(0, 115, 170, 0.05);
}

.videohub-video-item.active {
    background: rgba(0, 115, 170, 0.1);
    border-left: 3px solid var(--videohub-primary-color);
}

.videohub-video-list.horizontal-scroll .videohub-video-item {
    flex: none;
    flex-direction: column;
    width: 150px;
    margin-bottom: 0;
    padding: 8px;
    text-align: center;
}

/* 视频封面 */
.videohub-video-cover {
    width: 80px;
    height: 45px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
    margin-right: 12px;
    flex-shrink: 0;
    position: relative;
}

.videohub-video-list.horizontal-scroll .videohub-video-cover {
    width: 100%;
    height: 84px;
    margin-right: 0;
    margin-bottom: 8px;
}

.videohub-video-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.videohub-video-cover .videohub-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 10px;
}

/* 视频信息 */
.videohub-video-info {
    flex: 1;
    min-width: 0;
}

.videohub-video-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--videohub-text-color);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.videohub-video-duration {
    font-size: 12px;
    color: #666;
}

.videohub-video-list.horizontal-scroll .videohub-video-title {
    font-size: 12px;
    white-space: normal;
    line-height: 1.3;
    height: 32px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 控制栏 */
.videohub-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 20px 15px 15px;
    transition: var(--videohub-transition);
    opacity: 1;
}

.videohub-player-container:hover .videohub-controls {
    opacity: 1;
}

.videohub-controls.hidden {
    opacity: 0;
    pointer-events: none;
}

.videohub-controls-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.videohub-controls-main {
    display: flex;
    align-items: center;
    gap: 15px;
}

.videohub-controls-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 控制按钮 */
.videohub-control-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--videohub-transition);
    font-size: 14px;
}

.videohub-control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.videohub-control-btn.play-pause {
    width: 44px;
    height: 44px;
    background: var(--videohub-primary-color);
}

.videohub-control-btn.play-pause:hover {
    background: #005a87;
}

/* 进度条 */
.videohub-progress-container {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    margin: 0 15px;
    position: relative;
}

.videohub-progress-bar {
    height: 100%;
    background: var(--videohub-primary-color);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.videohub-progress-buffered {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    width: 0%;
}

.videohub-progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
    left: 0%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: var(--videohub-transition);
}

.videohub-progress-container:hover .videohub-progress-handle {
    opacity: 1;
}

/* 时间显示 */
.videohub-time {
    color: #fff;
    font-size: 12px;
    white-space: nowrap;
    margin: 0 10px;
}

/* 音量控制 */
.videohub-volume-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.videohub-volume-slider {
    width: 80px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.videohub-volume-level {
    height: 100%;
    background: var(--videohub-primary-color);
    border-radius: 2px;
    width: 70%;
}

/* 加载状态 */
.videohub-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 14px;
    text-align: center;
    z-index: 10;
}

.videohub-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid #fff;
    border-radius: 50%;
    animation: videohub-spin 1s linear infinite;
    margin: 0 auto 10px;
}

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

/* 错误状态 */
.videohub-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    text-align: center;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 8px;
}

.videohub-error-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .videohub-player-container {
        margin: 10px 0;
        border-radius: 0;
    }
    
    .videohub-tabs-nav {
        border-radius: 0;
    }
    
    .videohub-tab-button {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .videohub-video-list {
        padding: 15px;
        max-height: 250px;
    }
    
    .videohub-video-list.horizontal-scroll {
        padding: 10px 15px;
        gap: 10px;
    }
    
    .videohub-video-list.horizontal-scroll .videohub-video-item {
        width: 120px;
    }
    
    .videohub-video-item {
        padding: 8px;
    }
    
    .videohub-video-cover {
        width: 60px;
        height: 34px;
    }
    
    .videohub-controls {
        padding: 15px 10px 10px;
    }
    
    .videohub-controls-main {
        gap: 10px;
    }
    
    .videohub-control-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .videohub-control-btn.play-pause {
        width: 38px;
        height: 38px;
    }
    
    .videohub-volume-container {
        display: none;
    }
    
    .videohub-time {
        font-size: 11px;
        margin: 0 5px;
    }
}

@media (max-width: 480px) {
    .videohub-video-list.horizontal-scroll .videohub-video-item {
        width: 100px;
    }
    
    .videohub-video-cover {
        width: 50px;
        height: 28px;
    }
    
    .videohub-controls-right .videohub-control-btn:not(.fullscreen) {
        display: none;
    }
}

/* 全屏模式 */
.videohub-player-container:fullscreen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    border-radius: 0;
}

.videohub-player-container:-webkit-full-screen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    border-radius: 0;
}

.videohub-player-container:-moz-full-screen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    border-radius: 0;
}

.videohub-player-container:-ms-fullscreen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    border-radius: 0;
}

/* 画中画模式 */
.videohub-player-container.pip-mode {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    height: 169px;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 隐藏控制栏的自动隐藏 */
.videohub-player-container.autohide .videohub-controls {
    opacity: 0;
    transition: opacity 0.3s ease 2s;
}

.videohub-player-container.autohide:hover .videohub-controls {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* 自定义主题颜色支持 */
.videohub-player-container.theme-blue {
    --videohub-primary-color: #0073aa;
}

.videohub-player-container.theme-red {
    --videohub-primary-color: #dc3545;
}

.videohub-player-container.theme-green {
    --videohub-primary-color: #28a745;
}

.videohub-player-container.theme-purple {
    --videohub-primary-color: #6f42c1;
}

.videohub-player-container.theme-orange {
    --videohub-primary-color: #fd7e14;
}

/* 夜间模式 */
.videohub-player-container.dark-mode {
    --videohub-bg-color: #1a1a1a;
    --videohub-text-color: #fff;
    --videohub-border-color: #333;
}

.videohub-player-container.dark-mode .videohub-tabs-container {
    background: #2a2a2a;
}

.videohub-player-container.dark-mode .videohub-tab-button {
    color: #ccc;
}

.videohub-player-container.dark-mode .videohub-tab-button:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.videohub-player-container.dark-mode .videohub-tab-button.active {
    color: #fff;
    background: #2a2a2a;
}

.videohub-player-container.dark-mode .videohub-video-list {
    background: #2a2a2a;
}

.videohub-player-container.dark-mode .videohub-video-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.videohub-player-container.dark-mode .videohub-video-item.active {
    background: rgba(255, 255, 255, 0.1);
}

.videohub-player-container.dark-mode .videohub-video-title {
    color: #fff;
}

.videohub-player-container.dark-mode .videohub-video-duration {
    color: #ccc;
}