/**
 * LMS前台样式
 * 
 * @package WP_LMS
 */

/* 通用样式 */
.lms-btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.lms-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.lms-btn:hover::before {
    left: 100%;
}

.lms-btn-primary {
    background: linear-gradient(to bottom right, rgba(0, 0, 0, 0), #d8a10a);
    color: #fff;
    box-shadow: 0 4px 15px rgba(166, 33, 39, 0.4);
}

.lms-btn-primary:hover {
    background: linear-gradient(to bottom right, #8f1c21, #b89409);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(166, 33, 39, 0.5);
}

.lms-btn-primary:disabled {
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    color: #fff;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 移除标记完成按钮相关样式，因为已删除该功能 */

.lms-btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.lms-btn-secondary:hover {
    background: #e0e0e0;
    color: #333;
}

.lms-btn-warning {
    background: #ffb900;
    color: #fff;
}

.lms-btn-warning:hover {
    background: #e6a600;
    color: #fff;
}

.lms-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 进度条样式 */
.lms-progress-bar {
    width: 100%;
    height: 8px;
    background: #ffffff;
    border-radius: 4px;
    overflow: hidden;
    margin: 10px 0;
}

.lms-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4a90e2, #357abd);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.lms-progress-text {
    font-size: 14px;
    color: #666;
    margin-left: 10px;
}

/* 状态指示器 */
.lms-status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.lms-status-indicator.completed {
    background: #46b450;
}

.lms-status-indicator.in-progress {
    background: #ffb900;
}

.lms-status-indicator.not-started {
    background: #ddd;
}

/* Astra主题布局修复 - 强制全宽显示 */
@media (min-width: 922px) {
    /* 全局覆盖Astra的flex布局 */
    body.archive.post-type-archive-lms_course .site-content,
    body.single-lms_course .site-content,
    body.single-lms_lesson .site-content {
        display: block !important;
        flex-direction: unset !important;
    }
    
    body.archive.post-type-archive-lms_course .ast-container,
    body.single-lms_course .ast-container,
    body.single-lms_lesson .ast-container {
        display: block !important;
        flex-direction: unset !important;
        flex-wrap: unset !important;
        align-items: unset !important;
        justify-content: unset !important;
    }
    /* 课程列表页 */
    body.archive.post-type-archive-lms_course .site-content .ast-container {
        display: block !important;
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    body.archive.post-type-archive-lms_course #primary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    body.archive.post-type-archive-lms_course #secondary {
        display: none !important;
    }
    
    /* 单个课程页 */
    body.single-lms_course .site-content .ast-container {
        display: block !important;
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    body.single-lms_course #primary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    body.single-lms_course #secondary {
        display: none !important;
    }
    
    /* 单个课时页 */
    body.single-lms_lesson .site-content .ast-container {
        display: block !important;
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    body.single-lms_lesson #primary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    body.single-lms_lesson #secondary {
        display: none !important;
    }
}

/* 课程列表页样式 */
.lms-course-archive {
    min-height: calc(100vh - 200px);
    padding: 0;
    width: 100%;
    clear: both;
}

/* 页面头部 */
.lms-archive-hero {
    background: linear-gradient(135deg, #a62127 0%, #d8a10a 100%);
    color: #fff;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

/* 确保在Astra主题下hero区域正确显示 */
@media (min-width: 922px) {
    body.archive.post-type-archive-lms_course .lms-archive-hero {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 80px 0 !important;
        box-sizing: border-box !important;
    }
}

.lms-archive-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.lms-archive-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.lms-archive-hero-text {
    flex: 1;
}

.lms-archive-title {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 16px 0;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: #fff;
}

.lms-archive-subtitle {
    font-size: 20px;
    margin: 0;
    opacity: 0.9;
    line-height: 1.5;
}

.lms-archive-hero-stats {
    display: flex;
    gap: 40px;
}

.lms-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 16px 24px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lms-stat-icon {
    font-size: 24px;
}

.lms-stat-content {
    text-align: center;
}

.lms-stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.lms-stat-label {
    font-size: 14px;
    opacity: 0.8;
    font-weight: 500;
}

/* 课程容器 */
.lms-course-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    width: 100%;
    box-sizing: border-box;
}

/* 确保在Astra主题下容器正确显示 */
@media (min-width: 922px) {
    body.archive.post-type-archive-lms_course .lms-course-container,
    body.single-lms_course .lms-course-container,
    body.single-lms_lesson .lms-course-container {
        max-width: 1200px !important;
        margin: 0 auto !important;
        padding: 60px 20px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
}

/* 课程网格 */
.lms-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

/* 课程卡片样式 */
.lms-course-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    aspect-ratio: 1;
}

/* 我的班级部分的班级卡片不需要aspect-ratio */
.lms-my-classes-section .lms-course-card {
    aspect-ratio: unset !important;
}

.lms-course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.lms-course-card.hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 课程图片 */
.lms-course-image {
    position: relative;
    height: 60%;
    overflow: hidden;
    flex-shrink: 0;
}

.lms-course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.lms-course-card:hover .lms-course-image img {
    transform: scale(1.05);
}

.lms-course-image-link {
    display: block;
    height: 100%;
}

.lms-course-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: #64748b;
}

.lms-placeholder-icon {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.6;
}

.lms-placeholder-text {
    font-size: 10px;
    font-weight: 500;
}

/* 课程徽章 */
.lms-course-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 课程完成度圆环 */
.lms-course-progress-ring {
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    width: 58px !important;
    height: 58px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.39), rgba(166, 93, 33, 0.68) 37.82%, rgba(166, 33, 39, 0)) !important;
    box-shadow: 0 10px 28px rgba(214, 143, 0, 0.35), inset 0 0 12px rgba(255, 255, 255, 0.25) !important;
    backdrop-filter: blur(2px) !important;
    overflow: hidden !important;
    z-index: 6 !important;
}

.lms-course-progress-ring .lms-progress-ring-svg {
    width: 100% !important;
    height: 100% !important;
    transform: rotate(-90deg) !important;
    display: block !important;
}

.lms-course-progress-ring .lms-progress-ring-bg {
    fill: none !important;
    stroke: rgba(255, 255, 255, 0.32) !important;
    stroke-width: 6 !important;
}

.lms-course-progress-ring .lms-progress-ring-fill {
    fill: none !important;
    stroke-width: 6 !important;
    stroke-linecap: round !important;
    transition: stroke-dashoffset 0.35s ease !important;
    filter: drop-shadow(0 0 10px rgb(255, 247, 227)) !important;
}

.lms-course-progress-ring .lms-progress-ring-text {
    position: absolute !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    color: #fff8e1 !important;
    text-shadow: 0 2px 6px rgba(166, 33, 39, 0.45) !important;
    letter-spacing: 0.5px !important;
    z-index: 10 !important;
}

.lms-lesson-progress-ring {
    position: fixed !important;
    top: 160px !important;
    right: 18px !important;
    width: 74px !important;
    height: 74px !important;
    z-index: 1000 !important;
    background: radial-gradient(circle at 35% 35%, rgba(250, 222, 130, 0.92) 0%, rgba(247, 181, 60, 0.82) 42%, rgba(166, 33, 39, 0.62) 100%) !important;
    box-shadow: 0 12px 26px rgba(214, 143, 0, 0.35), inset 0 0 10px rgba(255, 255, 255, 0.22) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.lms-lesson-progress-ring .lms-progress-ring-bg {
    stroke: rgba(247, 181, 60, 0.55) !important; /* 柔和黄底环 */
}

.lms-lesson-progress-ring .lms-progress-ring-fill {
    stroke: #ffffff !important; /* 白色进度条 */
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6)) !important;
    transition: stroke-dashoffset 0.35s ease !important;
}

.lms-lesson-progress-ring .lms-progress-ring-text {
    color: #ffffff !important;
}

.lms-course-badge.enrolled {
    background: rgba(34, 197, 94, 0.9);
    color: #fff;
}

.lms-course-badge.pending {
    background: rgba(245, 158, 11, 0.9);
    color: #fff;
}

.lms-badge-icon {
    font-size: 14px;
}

/* 课程内容 - 课程列表页 */
.lms-course-content {
    padding: 12px;
    flex: 1;
    display: flex !important;
    flex-direction: column !important;
    min-height: 0;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.lms-course-content:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* 课程内容 - 单个课程页 */
.lms-course-single .lms-course-content {
    cursor: default;
    padding: 0;
    flex: none;
    display: grid !important;
    flex-direction: unset !important;
}

.lms-course-single .lms-course-content:hover {
    background-color: transparent;
}

/* 确保所有子元素都是块级显示 - 课程列表页 */
.lms-course-content > * {
    width: 100% !important;
    float: none !important;
}

/* 单个课程页内容区域 */
.lms-course-single .lms-course-content > * {
    width: auto !important;
    float: none !important;
}

.lms-course-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px 0;
    line-height: 1.2;
    display: block !important;
    width: 100% !important;
}

/* 课程标题 - 课程列表页 */
.lms-course-title {
    color: #1e293b;
    transition: color 0.3s ease;
}

.lms-course-content:hover .lms-course-title {
    color: #a62127;
}

/* 课程标题 - 单个课程页 */
.lms-course-single .lms-course-title {
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 20px 0;
    line-height: 1.2;
}

.lms-course-single .lms-course-title h1 {
    color: #fff;
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
}

.lms-course-single .lms-course-content:hover .lms-course-title {
    color: #fff;
}

/* 课程摘要 - 课程列表页 */
.lms-course-card .lms-course-excerpt,
.lms-course-content .lms-course-excerpt {
    color: #64748b !important;
    font-size: 12px !important;
    line-height: 1.4 !important;
    margin-bottom: 8px !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    flex-shrink: 0 !important;
    width: 100% !important;
    clear: both !important;
    word-wrap: break-word !important;
    word-break: break-word !important;
    /* 移除text-overflow，让-webkit-line-clamp自己处理 */
}

/* 课程摘要 - 单个课程页 */
.lms-course-single .lms-course-excerpt {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 16px !important;
    line-height: 1.6 !important;
    margin-bottom: 0 !important;
    display: block !important;
    -webkit-line-clamp: unset !important;
    line-clamp: unset !important;
    -webkit-box-orient: unset !important;
    overflow: visible !important;
    text-overflow: unset !important;
    flex-shrink: unset !important;
    width: auto !important;
    clear: none !important;
    max-height: none !important;
    word-wrap: normal !important;
    word-break: normal !important;
}

/* 课程统计 - 课程列表页，现在位于图片内部左下角 */
.lms-course-stats {
    position: absolute;
    bottom: 8px;
    left: 8px;
    display: flex;
    gap: 6px;
    flex-wrap: nowrap;
    flex-shrink: 0;
    z-index: 10;
}

/* 课程统计 - 单个课程页 */
.lms-course-single .lms-course-stats {
    display: flex;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
    margin-top: 0;
    z-index: auto;
}

/* 课程列表页统计项 */
.lms-course-stats .lms-stat-item {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    color: #1e293b;
    font-weight: 500;
}

/* 单个课程页统计项 */
.lms-course-single .lms-course-stats .lms-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 14px;
    color: #fff;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 课程列表页统计文字 */
.lms-course-stats .lms-stat-text {
    font-size: 11px;
    font-weight: 500;
    line-height: 1.2;
}

/* 课程分类特殊样式已移至 lms-course-category-colors.css */

/* 恢复卡片悬停效果，但确保统计项保持可见 */
.lms-course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.lms-course-card:hover .lms-course-image img {
    transform: scale(1.05);
}

/* 移除悬停保护CSS，因为统计项现在在图片内部，与进度环同层级 */

/* 单个课程页统计图标和文字 */
.lms-course-single .lms-course-stats .lms-stat-icon {
    font-size: 24px;
}

.lms-course-single .lms-course-stats .lms-stat-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lms-course-single .lms-course-stats .lms-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.lms-course-single .lms-course-stats .lms-stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

/* 课程操作 - 课程列表页 */
.lms-course-actions {
    margin-top: auto;
    flex-shrink: 0;
}

/* 图片区域内的课程操作按钮 */
.lms-course-image .lms-course-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    margin-top: 0;
    z-index: 10;
}

/* 课程操作 - 单个课程页 */
.lms-course-single .lms-course-actions {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* 当没有按钮时隐藏整个操作区域 */
.lms-course-actions:empty {
    display: none;
}

.lms-btn-full {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

/* 图片区域内的按钮样式 */
.lms-course-image .lms-btn-full {
    width: auto;
    min-width: 80px;
    padding: 6px 12px;
    font-size: 10px;
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 分页样式 */
.lms-pagination {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.lms-pagination-list {
    display: flex;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.lms-pagination-list li {
    margin: 0;
}

.lms-pagination-list a,
.lms-pagination-list span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 16px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    color: #475569;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lms-pagination-list a:hover {
    background: #a62127;
    border-color: #a62127;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(166, 33, 39, 0.3);
}

.lms-pagination-list .current {
    background: #a62127;
    border-color: #a62127;
    color: #fff;
}

.lms-pagination-icon {
    font-size: 16px;
    font-weight: 600;
}

/* 无课程状态 */
.lms-no-courses {
    text-align: center;
    padding: 80px 20px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.lms-no-courses-icon {
    font-size: 64px;
    margin-bottom: 24px;
    opacity: 0.6;
}

.lms-no-courses-title {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 12px 0;
}

.lms-no-courses-text {
    color: #64748b;
    font-size: 16px;
    margin: 0;
    line-height: 1.6;
}

/* 按钮样式增强 */
.lms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.lms-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.lms-btn:hover::before {
    left: 100%;
}

.lms-btn-primary {
    background: linear-gradient(135deg, #a6212800 0%, #d8a10a 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(166, 33, 39, 0.3);
}

.lms-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(166, 33, 39, 0.4);
}

.lms-btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(100, 116, 139, 0.3);
}

.lms-btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 116, 139, 0.4);
}

.lms-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1) !important;
}

.lms-btn-icon {
    font-size: 12px;
}

/* 图片区域内按钮的图标 */
.lms-course-image .lms-btn-icon {
    font-size: 10px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lms-course-card {
    animation: fadeInUp 0.6s ease-out;
}

.lms-course-card:nth-child(1) { animation-delay: 0.1s; }
.lms-course-card:nth-child(2) { animation-delay: 0.2s; }
.lms-course-card:nth-child(3) { animation-delay: 0.3s; }
.lms-course-card:nth-child(4) { animation-delay: 0.4s; }
.lms-course-card:nth-child(5) { animation-delay: 0.5s; }
.lms-course-card:nth-child(6) { animation-delay: 0.6s; }

/* 响应式设计 */
@media (max-width: 1024px) {
    .lms-archive-hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .lms-archive-title {
        font-size: 36px;
    }
    
    .lms-archive-subtitle {
        font-size: 18px;
    }
    
    .lms-archive-hero-stats {
        gap: 20px;
    }
    
    .lms-course-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .lms-archive-hero {
        padding: 60px 0;
    }
    
    .lms-archive-title {
        font-size: 28px;
    }
    
    .lms-archive-subtitle {
        font-size: 16px;
    }
    
    .lms-archive-hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .lms-stat-item {
        padding: 12px 20px;
    }
    
    .lms-course-container {
        padding: 40px 16px;
    }
    
    .lms-course-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
    }
    
    .lms-course-stats {
        gap: 12px;
    }
    
    .lms-course-stats .lms-stat-item {
        padding: 4px 8px;
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .lms-archive-hero {
        padding: 40px 0;
    }
    
    .lms-archive-title {
        font-size: 24px;
    }
    
    .lms-archive-subtitle {
        font-size: 14px;
    }
    
    .lms-course-content {
        padding: 8px;
    }
    
    .lms-course-title {
        font-size: 11px;
    }
    
    .lms-course-progress-ring {
        width: 30px !important;
        height: 30px !important;
        top: 3px !important;
        right: 3px !important;
        border: 2px solid rgba(255, 255, 255, 0.25) !important;
    }
    
    .lms-course-progress-ring .lms-progress-ring-bg,
    .lms-course-progress-ring .lms-progress-ring-fill {
        stroke-width: 5 !important;
    }
    
    .lms-course-progress-ring .lms-progress-ring-text {
        font-size: 6px !important;
    }
    
    /* 平板端按钮样式 */
    .lms-course-image .lms-btn-full {
        min-width: 70px;
        padding: 5px 10px;
        font-size: 9px;
    }
}

.lms-course-actions {
    display: flex;
    gap: 10px;
}

.lms-course-actions .lms-btn {
    flex: 1;
    text-align: center;
}

/* 课程详情页按钮样式 - 专门针对详情页 */
.lms-course-single .lms-course-actions {
    margin-top: 20px;
    width: 100%;
    justify-content: center;
}

/* 课时信息样式 */
.lms-lessons-info {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    margin-top: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Video.js播放器样式 - 隐藏YouTube控制栏 */
.lms-videojs-container {
    position: relative;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.lms-videojs-container .video-js {
    width: 100%;
    height: 400px;
}

/* 隐藏YouTube原生控制栏 */
.lms-videojs-container .video-js .vjs-tech {
    pointer-events: none;
}

/* 显示Video.js默认控制栏 */
.lms-videojs-container .video-js .vjs-control-bar {
    display: flex !important;
}

/* 隐藏YouTube播放器控制栏和推荐视频 */
.lms-videojs-container iframe[src*="youtube.com"] {
    pointer-events: none;
}

/* 隐藏YouTube推荐视频和结束画面 */
.lms-videojs-container .video-js .vjs-tech {
    pointer-events: none;
}

/* 强制隐藏YouTube的推荐视频覆盖层 */
.lms-videojs-container .video-js .vjs-tech::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1000;
    pointer-events: none;
}

/* 确保视频区域可点击播放 */
.lms-videojs-container .video-js .vjs-big-play-button {
    display: block !important;
    pointer-events: auto;
    background-color: rgba(96, 18, 10, 1) !important;
    border-radius: 50px !important;
}

/* 播放时隐藏大播放按钮 */
.lms-videojs-container .video-js.vjs-playing .vjs-big-play-button {
    display: none !important;
}

/* 暂停时显示大播放按钮 */
.lms-videojs-container .video-js.vjs-paused .vjs-big-play-button {
    display: block !important;
}

/*
 * videojs-youtube：首次播放前常保持 vjs-waiting，video-js.css 里
 * `.vjs-waiting .vjs-loading-spinner { display:block }` 会压过仅含 :not(.vjs-has-started) 的规则。
 * LoadingSpinner 的圆环（含静止灰圈）叠在大播放按钮后；首次播放后再允许显示缓冲动画。
 */
.lms-videojs-container .video-js.vjs-waiting:not(.vjs-has-started) .vjs-loading-spinner,
.lms-videojs-container .video-js:not(.vjs-has-started) .vjs-loading-spinner {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.lms-videojs-container .video-js:not(.vjs-has-started) .vjs-loading-spinner::before,
.lms-videojs-container .video-js:not(.vjs-has-started) .vjs-loading-spinner::after {
    opacity: 0 !important;
    visibility: hidden !important;
    animation: none !important;
}

.lms-lessons-info p {
    margin: 0;
    font-size: 18px;
    color: #374151;
    text-align: center;
}

.lms-lessons-info strong {
    color: #3b82f6;
    font-weight: 700;
}



.lms-course-single .lms-course-actions .lms-btn,
.lms-course-detail-btn {
    width: 100%;
    white-space: nowrap;
    background: linear-gradient(to bottom right, #27ae60, #2ecc71);
    color: #fff;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
}

.lms-course-single .lms-course-actions .lms-btn:hover,
.lms-course-detail-btn:hover {
    background: linear-gradient(to bottom right, #229954, #27ae60);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.5);
}

.lms-course-single .lms-course-actions .lms-btn:disabled,
.lms-course-detail-btn:disabled {
    background: linear-gradient(135deg, #bdc3c7 0%, #95a5a6 100%);
    color: #fff;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 侧边栏退出课程按钮样式 */
.lms-course-actions-sidebar {
    margin-top: 20px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.lms-course-actions-sidebar .lms-btn {
    width: 100%;
    justify-content: center;
    margin-bottom: 10px;
}

.lms-course-actions-sidebar .lms-btn:last-child {
    margin-bottom: 0;
}

/* 课程详情页样式 */
.lms-course-single {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.lms-course-hero {
    background: linear-gradient(to bottom right, #a62127, #d8a10a);
    color: #fff;
    border-radius: 20px;
    margin: 120px 0;
    overflow: hidden;
    position: relative;
}

.lms-course-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.lms-course-hero-content {
    display: flex;
    align-items: center;
    padding: 40px 40px;
    position: relative;
    z-index: 1;
}

.lms-course-hero-left {
    flex: 1;
    padding-right: 40px;
}

.lms-course-hero-right {
    flex: 0 0 300px;
}

.lms-course-breadcrumb {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.lms-course-breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.lms-course-breadcrumb a:hover {
    opacity: 0.7;
}

.lms-breadcrumb-separator {
    margin: 0 8px;
    opacity: 0.6;
}

.lms-course-title h1 {
    font-size: 48px;
    font-weight: 800;
    margin: 0 0 10px 0;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.lms-course-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin: 0;
    font-weight: 400;
}


.lms-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.lms-stat-icon {
    font-size: 24px;
    opacity: 0.9;
}

.lms-stat-content {
    display: flex;
    flex-direction: column;
}

.lms-stat-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.lms-stat-label {
    font-size: 12px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lms-course-actions {
    margin-top: 30px;
}

.lms-btn-icon {
    margin-right: 8px;
    font-size: 16px;
}

.lms-course-thumbnail {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    background: #fff;
}

.lms-course-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

.lms-course-thumbnail-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 60px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.lms-placeholder-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.7;
}

.lms-placeholder-text {
    font-size: 14px;
    opacity: 0.7;
}

/* 单个课程页内容布局 */
.lms-course-single .lms-course-content {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    margin: 40px 0;
}

.lms-course-main {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    min-height: 600px;
}

.lms-course-sidebar {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.lms-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.lms-section-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: #333;
}

.lms-section-icon {
    font-size: 24px;
    opacity: 0.7;
}

.lms-lessons-count {
    margin-left: auto;
    font-size: 14px;
    color: #666;
    background: #f8f9fa;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.lms-course-description-content {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
}

/* Hero 内的课程介绍 —— 深色背景 → 白色文字适配 */
.lms-course-hero-description {
    position: relative;
    z-index: 1;
    margin: 0 40px;
    padding: 26px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.lms-course-hero-description-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.lms-course-hero-description-header h2 {
    margin: 0;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.lms-course-hero-description-icon {
    font-size: 22px;
    opacity: 0.95;
    line-height: 1;
}

.lms-course-hero-description-content,
.lms-course-hero-description-content p,
.lms-course-hero-description-content li,
.lms-course-hero-description-content span,
.lms-course-hero-description-content blockquote {
    color: rgba(255, 255, 255, 0.94);
    font-size: 15.5px;
    line-height: 1.85;
}

.lms-course-hero-description-content h2,
.lms-course-hero-description-content h3,
.lms-course-hero-description-content h4,
.lms-course-hero-description-content h5 {
    color: #fff;
    margin: 22px 0 10px;
}

.lms-course-hero-description-content a {
    color: #ffe4a8;
    text-decoration: underline;
}

.lms-course-hero-description-content a:hover {
    color: #fff;
}

.lms-course-hero-description-content strong {
    color: #fff;
}

.lms-course-hero-description-content blockquote {
    border-left: 3px solid rgba(255, 255, 255, 0.45);
    padding: 4px 14px;
    margin: 12px 0;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
}

.lms-course-hero-description-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 14px 0;
}

@media (max-width: 768px) {
    .lms-course-hero-description {
        margin: 0 20px;
        padding: 22px 0 30px;
    }
    .lms-course-hero-description-header h2 {
        font-size: 18px;
    }
}

.lms-course-description-content p {
    margin-bottom: 20px;
}

.lms-course-description-content h3,
.lms-course-description-content h4 {
    color: #333;
    margin: 30px 0 15px 0;
}

.lms-course-progress-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #f0f0f0;
}

.lms-progress-overview {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid #e9ecef;
}

.lms-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.lms-progress-label {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.lms-progress-percentage {
    font-size: 24px;
    font-weight: 700;
    color: #a62127;
}

.lms-progress-bar {
    width: 100%;
    height: 12px;
    background: #ffffff;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
}

.lms-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #a62127 0%, #d8a10a 100%);
    border-radius: 6px;
    transition: width 0.5s ease;
}

.lms-progress-stats {
    display: flex;
    gap: 30px;
}

.lms-progress-stat {
    text-align: center;
}

.lms-progress-stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #a62127;
    line-height: 1;
}

.lms-progress-stat-label {
    display: block;
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 5px;
}

.lms-lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    padding: 10px;
}

/* 章节容器样式 */
.lms-chapters-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.lms-chapter-section {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.lms-chapter-section:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.lms-chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f8f9fa;
}

.lms-chapter-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lms-chapter-icon {
    font-size: 24px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.lms-chapter-title h3 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #2c3e50;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.lms-chapter-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lms-chapter-count {
    font-size: 14px;
    color: #666;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid #dee2e6;
    font-weight: 600;
}

/* 章节内的课时网格 */
.lms-chapter-section .lms-lesson-grid {
    background: #fafbfc;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e9ecef;
    margin: 0;
}

.lms-lesson-number-button {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    background: #f8f9fa;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lms-lesson-number-button:hover,
.lms-lesson-number-button.hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.lms-lesson-number-button.completed:hover,
.lms-lesson-number-button.completed.hover {
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.5);
}

.lms-lesson-number-button.in-progress:hover,
.lms-lesson-number-button.in-progress.hover {
    box-shadow: 0 10px 24px rgba(214, 143, 0, 0.45);
}

.lms-lesson-number-button.not-started {
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 50%, #95a5a6 100%);
    border-color: #d5dbdb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lms-lesson-number-button .lms-progress-ring {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 50% !important;
    overflow: hidden !important;
    z-index: 1 !important;
}

.lms-lesson-number-button .lms-progress-svg {
    width: 100% !important;
    height: 100% !important;
    transform: rotate(-90deg) !important;
    display: block !important;
}

/* 苹果运动风格 - 底层背景圆环 */
.lms-lesson-number-button .lms-progress-bg {
    fill: none !important;
    stroke: rgba(255, 255, 255, 0.32) !important;
    stroke-width: 10 !important;
    stroke-linecap: round !important;
}

/* 苹果运动风格 - 顶层进度圆环 */
.lms-lesson-number-button .lms-progress-fill {
    fill: none !important;
    stroke-width: 10 !important;
    stroke-linecap: round !important;
    transition: stroke-dashoffset 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
    filter: drop-shadow(0 8px 18px rgba(214, 143, 0, 0.35)) !important;
}

/* 未开始状态 - 只显示背景环 */
.lms-lesson-number-button.not-started .lms-progress-fill {
    stroke-opacity: 0 !important;
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
    filter: none !important;
}

/* 进行中状态 - 金色渐变 */
.lms-lesson-number-button.in-progress .lms-progress-fill {
    stroke-opacity: 1 !important;
    filter: drop-shadow(0 12px 22px rgba(214, 143, 0, 0.45)) !important;
}

/* 已完成状态 - 金色高亮 */
.lms-lesson-number-button.completed .lms-progress-fill {
    stroke-opacity: 1 !important;
    filter: drop-shadow(0 14px 26px rgba(214, 143, 0, 0.55)) !important;
}

/* 为不同状态的按钮背景添加统一的金色氛围 */
.lms-lesson-number-button.in-progress {
    background: linear-gradient(145deg, rgba(247, 216, 134, 0.2), rgba(166, 33, 39, 0.12)) !important;
    border-color: rgba(247, 181, 60, 0.45) !important;
    box-shadow: 0 8px 20px rgba(214, 143, 0, 0.35) !important;
}

.lms-lesson-number-button.completed {
    background: linear-gradient(145deg, rgba(255, 230, 162, 0.26), rgba(166, 33, 39, 0.15)) !important;
    border-color: rgba(255, 215, 99, 0.55) !important;
    box-shadow: 0 10px 24px rgba(214, 143, 0, 0.4) !important;
}

.lms-lesson-number-button .lms-lesson-number-text {
    position: relative !important;
    z-index: 10 !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    color: #fff !important;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7) !important;
}

.lms-lesson-number-button.not-started .lms-lesson-number-text {
    color: #666;
    text-shadow: none;
}

.lms-lesson-number-button .progress-dot {
    filter: drop-shadow(0 0 6px rgba(255, 210, 90, 0.6)) !important;
    z-index: 5 !important;
    pointer-events: none !important;
    opacity: 1 !important;
    fill: #fbbf24 !important;
}

.lms-lesson-tooltip {
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.lms-lesson-tooltip::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid rgba(0, 0, 0, 0.9);
}

.lms-lesson-number-button:hover .lms-lesson-tooltip {
    opacity: 1;
    visibility: visible;
    top: -50px;
}

/* 课时卡片样式 - 显示标题 */
.lms-lesson-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fff;
    border: 2px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.lms-lesson-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #d8a10a;
}

.lms-lesson-card.completed {
    border-color: rgba(255, 215, 99, 0.6);
    background: linear-gradient(145deg, rgba(255, 250, 240, 0.5), #fff);
}

.lms-lesson-card.in-progress {
    border-color: rgba(247, 181, 60, 0.5);
    background: linear-gradient(145deg, rgba(255, 248, 230, 0.5), #fff);
}

.lms-lesson-card.not-started {
    border-color: #e9ecef;
    background: #fff;
}

.lms-lesson-card-circle {
    position: relative;
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lms-lesson-card .lms-progress-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.lms-lesson-card .lms-progress-svg {
    width: 100% !important;
    height: 100% !important;
    transform: rotate(-90deg) !important;
    display: block !important;
    overflow: visible !important;
}

.lms-lesson-card .lms-progress-bg {
    fill: none !important;
    stroke: rgba(255, 255, 255, 0.7) !important;
    stroke-width: 10 !important;
    stroke-linecap: round !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2)) !important;
}

.lms-lesson-card .lms-progress-fill {
    fill: none !important;
    stroke-width: 10 !important;
    stroke-linecap: round !important;
    transition: stroke-dashoffset 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
    filter: drop-shadow(0 8px 18px rgba(214, 143, 0, 0.35)) !important;
}

.lms-lesson-card.not-started .lms-progress-fill {
    stroke-opacity: 0 !important;
    stroke-dasharray: none !important;
    stroke-dashoffset: 0 !important;
    filter: none !important;
}

.lms-lesson-card.in-progress .lms-progress-fill {
    stroke-opacity: 1 !important;
    filter: drop-shadow(0 12px 22px rgba(214, 143, 0, 0.45)) !important;
}

.lms-lesson-card.completed .lms-progress-fill {
    stroke-opacity: 1 !important;
    filter: drop-shadow(0 14px 26px rgba(214, 143, 0, 0.55)) !important;
}

.lms-lesson-card.in-progress {
    background: linear-gradient(145deg, rgba(247, 216, 134, 0.2), rgba(166, 33, 39, 0.12)) !important;
    border-color: rgba(247, 181, 60, 0.45) !important;
    box-shadow: 0 8px 20px rgba(214, 143, 0, 0.35) !important;
}

.lms-lesson-card.completed {
    background: linear-gradient(145deg, rgba(255, 230, 162, 0.26), rgba(166, 33, 39, 0.15)) !important;
    border-color: rgba(255, 215, 99, 0.55) !important;
    box-shadow: 0 10px 24px rgba(214, 143, 0, 0.4) !important;
}

.lms-lesson-card .lms-lesson-number-text {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 10 !important;
    font-size: 16px !important;
    font-weight: 700 !important;
    color: #fff !important;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7) !important;
    pointer-events: none !important;
}

.lms-lesson-card.not-started .lms-lesson-number-text {
    color: #666;
    text-shadow: none;
}

.lms-lesson-card .progress-dot {
    filter: drop-shadow(0 0 6px rgba(255, 210, 90, 0.6)) !important;
    z-index: 5 !important;
    pointer-events: none !important;
    opacity: 1 !important;
    fill: #fbbf24 !important;
}

.lms-lesson-card-title {
    font-size: 13px;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
    line-height: 1.4;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-word;
    padding: 0 4px;
    min-height: 36px;
}

.lms-lesson-card.completed .lms-lesson-card-title {
    color: #09873c;
}

.lms-lesson-card.in-progress .lms-lesson-card-title {
    color: #b8860b;
}

.lms-lesson-card.not-started .lms-lesson-card-title {
    color: #6c757d;
}

/* 移除卡片中的 tooltip */
.lms-lesson-card .lms-lesson-tooltip {
    display: none;
}

/* 课时卡片分类背景色 - 基于课程分类的淡化背景 */
/* 注意：类名需要与模板中生成的类名完全匹配，包括中文字符 */

/* 五论系列 */
.lms-lesson-card.lms-lesson-card-category-五论-中观,
.lms-lesson-card[class*="lms-lesson-card-category-五论-中观"] {
    background: linear-gradient(145deg, rgba(30, 64, 175, 0.08), rgba(59, 130, 246, 0.05)) !important;
    border-color: rgba(30, 64, 175, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-俱舍,
.lms-lesson-card[class*="lms-lesson-card-category-五论-俱舍"] {
    background: linear-gradient(145deg, rgba(22, 101, 52, 0.08), rgba(34, 197, 94, 0.05)) !important;
    border-color: rgba(22, 101, 52, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-因明,
.lms-lesson-card[class*="lms-lesson-card-category-五论-因明"] {
    background: linear-gradient(145deg, rgba(124, 58, 237, 0.08), rgba(168, 85, 247, 0.05)) !important;
    border-color: rgba(124, 58, 237, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-戒律,
.lms-lesson-card[class*="lms-lesson-card-category-五论-戒律"] {
    background: linear-gradient(145deg, rgba(220, 38, 38, 0.08), rgba(248, 113, 113, 0.05)) !important;
    border-color: rgba(220, 38, 38, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-般若,
.lms-lesson-card[class*="lms-lesson-card-category-五论-般若"] {
    background: linear-gradient(145deg, rgba(217, 119, 6, 0.08), rgba(251, 191, 36, 0.05)) !important;
    border-color: rgba(217, 119, 6, 0.2) !important;
}

/* 实修系列 */
.lms-lesson-card.lms-lesson-card-category-实修,
.lms-lesson-card[class*="lms-lesson-card-category-实修"] {
    background: linear-gradient(145deg, rgba(234, 88, 12, 0.08), rgba(251, 146, 60, 0.05)) !important;
    border-color: rgba(234, 88, 12, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-开示,
.lms-lesson-card[class*="lms-lesson-card-category-开示"] {
    background: linear-gradient(145deg, rgba(190, 18, 60, 0.08), rgba(244, 63, 94, 0.05)) !important;
    border-color: rgba(190, 18, 60, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-念修,
.lms-lesson-card[class*="lms-lesson-card-category-念修"] {
    background: linear-gradient(145deg, rgba(5, 150, 105, 0.08), rgba(16, 185, 129, 0.05)) !important;
    border-color: rgba(5, 150, 105, 0.2) !important;
}

/* 经典系列 */
.lms-lesson-card.lms-lesson-card-category-佛经讲解,
.lms-lesson-card[class*="lms-lesson-card-category-佛经讲解"] {
    background: linear-gradient(145deg, rgba(15, 118, 110, 0.08), rgba(20, 184, 166, 0.05)) !important;
    border-color: rgba(15, 118, 110, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-净土,
.lms-lesson-card[class*="lms-lesson-card-category-净土"] {
    background: linear-gradient(145deg, rgba(118, 15, 15, 0.08), rgba(184, 20, 20, 0.05)) !important;
    border-color: rgba(118, 15, 15, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-入门,
.lms-lesson-card[class*="lms-lesson-card-category-入门"] {
    background: linear-gradient(145deg, rgba(96, 15, 118, 0.08), rgba(184, 20, 181, 0.05)) !important;
    border-color: rgba(96, 15, 118, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-论典讲解,
.lms-lesson-card[class*="lms-lesson-card-category-论典讲解"] {
    background: linear-gradient(145deg, rgba(55, 65, 81, 0.08), rgba(107, 114, 128, 0.05)) !important;
    border-color: rgba(55, 65, 81, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-经论原文,
.lms-lesson-card[class*="lms-lesson-card-category-经论原文"] {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.08), rgba(59, 130, 246, 0.05)) !important;
    border-color: rgba(30, 58, 138, 0.2) !important;
}

/* 传记与历史 */
.lms-lesson-card.lms-lesson-card-category-传记,
.lms-lesson-card[class*="lms-lesson-card-category-传记"] {
    background: linear-gradient(145deg, rgba(146, 64, 14, 0.08), rgba(217, 119, 6, 0.05)) !important;
    border-color: rgba(146, 64, 14, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-法王教言,
.lms-lesson-card[class*="lms-lesson-card-category-法王教言"] {
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.05)) !important;
    border-color: rgba(99, 102, 241, 0.2) !important;
}

/* 文化与现代 */
.lms-lesson-card.lms-lesson-card-category-传统文化,
.lms-lesson-card[class*="lms-lesson-card-category-传统文化"] {
    background: linear-gradient(145deg, rgba(6, 95, 70, 0.08), rgba(5, 150, 105, 0.05)) !important;
    border-color: rgba(6, 95, 70, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-著作,
.lms-lesson-card[class*="lms-lesson-card-category-著作"] {
    background: linear-gradient(145deg, rgba(67, 56, 202, 0.08), rgba(99, 102, 241, 0.05)) !important;
    border-color: rgba(67, 56, 202, 0.2) !important;
}

.lms-lesson-card.lms-lesson-card-category-其他,
.lms-lesson-card[class*="lms-lesson-card-category-其他"] {
    background: linear-gradient(145deg, rgba(75, 85, 99, 0.08), rgba(156, 163, 175, 0.05)) !important;
    border-color: rgba(75, 85, 99, 0.2) !important;
}

/* 悬停时加深分类背景色 */
.lms-lesson-card.lms-lesson-card-category-五论-中观:hover,
.lms-lesson-card[class*="lms-lesson-card-category-五论-中观"]:hover {
    background: linear-gradient(145deg, rgba(30, 64, 175, 0.12), rgba(59, 130, 246, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-俱舍:hover,
.lms-lesson-card[class*="lms-lesson-card-category-五论-俱舍"]:hover {
    background: linear-gradient(145deg, rgba(22, 101, 52, 0.12), rgba(34, 197, 94, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-因明:hover,
.lms-lesson-card[class*="lms-lesson-card-category-五论-因明"]:hover {
    background: linear-gradient(145deg, rgba(124, 58, 237, 0.12), rgba(168, 85, 247, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-戒律:hover,
.lms-lesson-card[class*="lms-lesson-card-category-五论-戒律"]:hover {
    background: linear-gradient(145deg, rgba(220, 38, 38, 0.12), rgba(248, 113, 113, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-五论-般若:hover,
.lms-lesson-card[class*="lms-lesson-card-category-五论-般若"]:hover {
    background: linear-gradient(145deg, rgba(217, 119, 6, 0.12), rgba(251, 191, 36, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-实修:hover,
.lms-lesson-card[class*="lms-lesson-card-category-实修"]:hover {
    background: linear-gradient(145deg, rgba(234, 88, 12, 0.12), rgba(251, 146, 60, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-开示:hover,
.lms-lesson-card[class*="lms-lesson-card-category-开示"]:hover {
    background: linear-gradient(145deg, rgba(190, 18, 60, 0.12), rgba(244, 63, 94, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-念修:hover,
.lms-lesson-card[class*="lms-lesson-card-category-念修"]:hover {
    background: linear-gradient(145deg, rgba(5, 150, 105, 0.12), rgba(16, 185, 129, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-佛经讲解:hover,
.lms-lesson-card[class*="lms-lesson-card-category-佛经讲解"]:hover {
    background: linear-gradient(145deg, rgba(15, 118, 110, 0.12), rgba(20, 184, 166, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-净土:hover,
.lms-lesson-card[class*="lms-lesson-card-category-净土"]:hover {
    background: linear-gradient(145deg, rgba(118, 15, 15, 0.12), rgba(184, 20, 20, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-入门:hover,
.lms-lesson-card[class*="lms-lesson-card-category-入门"]:hover {
    background: linear-gradient(145deg, rgba(96, 15, 118, 0.12), rgba(184, 20, 181, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-论典讲解:hover,
.lms-lesson-card[class*="lms-lesson-card-category-论典讲解"]:hover {
    background: linear-gradient(145deg, rgba(55, 65, 81, 0.12), rgba(107, 114, 128, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-经论原文:hover,
.lms-lesson-card[class*="lms-lesson-card-category-经论原文"]:hover {
    background: linear-gradient(145deg, rgba(30, 58, 138, 0.12), rgba(59, 130, 246, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-传记:hover,
.lms-lesson-card[class*="lms-lesson-card-category-传记"]:hover {
    background: linear-gradient(145deg, rgba(146, 64, 14, 0.12), rgba(217, 119, 6, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-法王教言:hover,
.lms-lesson-card[class*="lms-lesson-card-category-法王教言"]:hover {
    background: linear-gradient(145deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-传统文化:hover,
.lms-lesson-card[class*="lms-lesson-card-category-传统文化"]:hover {
    background: linear-gradient(145deg, rgba(6, 95, 70, 0.12), rgba(5, 150, 105, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-著作:hover,
.lms-lesson-card[class*="lms-lesson-card-category-著作"]:hover {
    background: linear-gradient(145deg, rgba(67, 56, 202, 0.12), rgba(99, 102, 241, 0.08)) !important;
}

.lms-lesson-card.lms-lesson-card-category-其他:hover,
.lms-lesson-card[class*="lms-lesson-card-category-其他"]:hover {
    background: linear-gradient(145deg, rgba(75, 85, 99, 0.12), rgba(156, 163, 175, 0.08)) !important;
}

.lms-no-lessons {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.lms-no-lessons-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.lms-no-lessons p {
    margin: 0;
    font-size: 16px;
}

/* 课时详情页样式 */
.lms-lesson-single {
    margin-top: 120px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: relative;
}

.lms-lesson-header {
    background: linear-gradient(to bottom right, #a62127, #d8a10a);
    padding: 30px;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

.lms-lesson-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* 头部顶部区域 */
.lms-lesson-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.lms-lesson-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lms-course-info {
    display: flex;
    align-items: center;
}

.lms-course-name {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 状态指示器圆形样式 */
.lms-lesson-status-indicator {
    display: flex;
    align-items: center;
}

.lms-status-circle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border-radius: 25px;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    min-width: 120px;
    justify-content: center;
}

.lms-status-circle.completed {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.lms-status-circle.in-progress {
    background: linear-gradient(135deg, #f39c12, #f1c40f);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.lms-status-circle.not-started {
    background: linear-gradient(135deg, #95a5a6, #bdc3c7);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.lms-status-circle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.lms-status-circle .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.lms-status-circle .lms-status-text {
    font-size: 14px;
    font-weight: 600;
}

/* 课时标题 */
.lms-lesson-title {
    text-align: center;
    position: relative;
    z-index: 1;
}

.lms-lesson-header h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
}

.lms-lesson-meta {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}

.lms-lesson-description {
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    line-height: 1.6;
    margin-top: 12px;
    margin-bottom: 0;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
}

.lms-schedule-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lms-schedule-status.status-scheduled {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.lms-schedule-status.status-active {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.lms-schedule-status.status-completed {
    background: rgba(107, 114, 128, 0.2);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

.lms-schedule-status.status-paused {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.lms-btn-report-practice:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: #9ca3af !important;
}

/* 学修进度容器 - 进度条和文本在同一行 */
.lms-lesson-progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 10px 0;
}

.lms-lesson-progress-bar {
    flex: 1;
    height: 25px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.lms-lesson-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #a62127 0%, #d8a10a 100%);
    border-radius: 12px;
    transition: width 0.3s ease;
}

.lms-lesson-progress-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    min-width: fit-content;
}

.lms-course-notes-hub {
    margin-top: 28px;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
}

/* 课程页侧边栏 · 共修回顾 */
.lms-course-review-hub {
    margin-top: 28px;
}

.lms-course-review-section + .lms-course-review-section {
    margin-top: 18px;
}

.lms-course-review-subtitle {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    margin: 12px 0 10px;
}

.lms-course-review-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lms-course-review-archive-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.lms-course-review-item {
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
}

.lms-course-review-res {
    font-size: 13px;
    color: #334155;
    line-height: 1.45;
    margin-bottom: 10px;
}

.lms-course-review-sep {
    color: #94a3b8;
    font-weight: 400;
}

.lms-course-review-go-lesson {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: #a62127;
    text-decoration: none;
}

.lms-course-review-go-lesson:hover {
    text-decoration: underline;
}

.lms-course-review-num-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #f1f5f9;
    color: #334155;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    line-height: 1;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.lms-course-review-num-btn:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
    color: #1e293b;
}

.lms-course-notes-header {
    align-items: center;
}

.lms-course-notes-title {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.lms-course-notes-count-wrap {
    font-size: 14px;
    font-weight: 500;
    color: #64748b;
}

.lms-btn-export-notes {
    margin-left: auto;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #334155;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.lms-btn-export-notes:hover:not(:disabled) {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #1e293b;
}

.lms-btn-export-notes:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.lms-btn-export-notes .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    line-height: 1;
}

.lms-course-notes-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.lms-course-note-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lms-course-note-item:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.lms-course-note-item-title {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.lms-course-note-item-time {
    font-size: 12px;
    color: #64748b;
    white-space: nowrap;
}

.lms-course-note-modal .lms-modal-body {
    max-height: 52vh;
}

.lms-course-note-content {
    color: #1e293b;
    line-height: 1.75;
    font-size: 15px;
    word-break: break-word;
}

.lms-course-note-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px 18px;
    border-top: 1px solid #e2e8f0;
}

.lms-btn-note-nav {
    min-width: 110px;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #334155;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.lms-btn-note-open-lesson {
    border-color: #a62127;
    color: #7f1d1d;
    background: #fff7ed;
}

.lms-btn-note-export {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.lms-btn-note-export .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    line-height: 1;
}

.lms-btn-note-nav:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* 返回课程按钮样式 */
.lms-back-to-course {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

.lms-back-to-course:hover {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.lms-back-to-course .dashicons {
    font-size: 16px;
}

.lms-lesson-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 30px;
    background: #fff;
}

.lms-lesson-media {
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.lms-lesson-text {
    font-size: 18px;
    line-height: 1.8;
    color: #2c3e50;
    padding: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 30px;
}

.lms-lesson-actions {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.lms-progress-tracker {
    text-align: center;
}

.lms-progress-tracker label {
    display: block;
    margin-bottom: 15px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 16px;
}

.lms-progress-display {
    margin-bottom: 25px;
}

/* 课时进度状态样式 - 已移除，使用新的圆形状态指示器 */

.lms-progress-bar-container {
    margin-bottom: 15px;
}

.lms-progress-bar {
    position: relative;
    width: 100%;
    height: 25px;
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    margin: 10px 0;
}

.lms-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #a62127 0%, #d8a10a 100%);
    border-radius: 12px;
    transition: width 0.3s ease;
}

.lms-progress-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 14px;
    font-weight: 600;
}

/* 确认完成阅读按钮 */
.lms-confirm-reading-complete {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 30px;
    margin: 40px auto;
    max-width: 600px;
    background: linear-gradient(135deg, rgba(166, 33, 39, 0.03) 0%, rgba(216, 161, 10, 0.05) 50%, rgba(166, 33, 39, 0.03) 100%);
    border-radius: 20px;
    border: 2px dashed rgba(166, 33, 39, 0.25);
    position: relative;
    overflow: hidden;
}

.lms-confirm-reading-complete::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.lms-confirm-reading-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #a62127 0%, #c94b50 100%) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 6px 25px rgba(166, 33, 39, 0.35);
    position: relative;
    overflow: hidden;
}

.lms-confirm-reading-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.lms-confirm-reading-btn:hover::before {
    left: 100%;
}

.lms-confirm-reading-btn .dashicons {
    font-size: 22px;
    width: 22px;
    height: 22px;
    line-height: 22px;
}

.lms-confirm-reading-btn:hover {
    background: linear-gradient(135deg, #8a1b20 0%, #a62127 100%) !important;
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(166, 33, 39, 0.45);
}

.lms-confirm-reading-btn:active {
    transform: translateY(-1px);
}

.lms-confirm-reading-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.lms-confirm-reading-btn.already-completed,
.lms-confirm-reading-btn.already-completed:hover,
.lms-confirm-reading-btn.already-completed:focus {
    background: linear-gradient(135deg, #28a745 0%, #34c759 100%) !important;
    box-shadow: 0 6px 25px rgba(40, 167, 69, 0.35) !important;
    cursor: default;
    transform: none !important;
}

.lms-confirm-reading-btn.already-completed .dashicons::before {
    content: '\f147'; /* dashicons-yes */
}

.lms-confirm-reading-hint {
    margin: 18px 0 0;
    color: #888;
    font-size: 14px;
    text-align: center;
    line-height: 1.6;
}

/* 课时笔记（悬浮） */
.lms-floating-notepad {
    z-index: 1200;
    pointer-events: none;
}

.lms-notepad-toggle-btn {
    position: fixed; /* fallback：未挂到 Aa 容器时 */
    right: 18px;
    bottom: 118px; /* 放在 Aa 按钮上方 */
    pointer-events: auto;
}

/* 挂入 Aa 工具容器后：与 Aa 同母容器并显示在其上方 */
.ausbia-lesson-tools.has-notepad-toggle .lms-notepad-toggle-btn {
    position: absolute;
    right: 0;
    bottom: 58px;
}

/* 新结构：笔记按钮挂在按钮组内时，取消 fixed/absolute，保证与字号/目录对齐 */
.ausbia-lesson-tools .ausbia-lesson-tools__actions .lms-notepad-toggle-btn {
    position: static;
    right: auto;
    bottom: auto;
}

.lms-lesson-notepad-card {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 10000;
    pointer-events: auto;
    width: min(760px, calc(100vw - 30px));
    margin: 0;
    padding: 20px;
    border: 1px solid var(--ausbia-lesson-panel-border, #d8d2c8);
    border-radius: 14px;
    background: var(--ausbia-lesson-panel-bg, rgba(255, 255, 255, 0.96));
    color: var(--ausbia-lesson-panel-text, #1b1b1b);
    box-shadow: var(--ausbia-lesson-panel-shadow, 0 12px 36px rgba(0, 0, 0, 0.2));
}

.lms-notepad-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.lms-notepad-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--ausbia-lesson-panel-text, #1f2937);
}

.lms-notepad-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lms-notepad-export-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border: 1px solid var(--ausbia-lesson-panel-border, #cbd5e1);
    background: var(--ausbia-lesson-button-bg, #fff);
    color: var(--ausbia-lesson-panel-text, #334155);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1;
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.lms-notepad-export-btn:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #1e293b;
}

.lms-notepad-export-btn .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    line-height: 1;
}

.lms-notepad-toolbar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.lms-notepad-tool-btn {
    border: 1px solid var(--ausbia-lesson-panel-border, #cbd5e1);
    background: var(--ausbia-lesson-button-bg, #fff);
    color: var(--ausbia-lesson-panel-text, #374151);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 13px;
    cursor: pointer;
}

.lms-notepad-tool-sep {
    font-size: 12px;
    color: var(--ausbia-lesson-panel-text, #6b7280);
    opacity: 0.75;
    align-self: center;
    padding: 0 2px;
}

.lms-notepad-color-btn,
.lms-notepad-highlight-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--ausbia-lesson-panel-border, #cbd5e1);
    cursor: pointer;
    padding: 0;
}

.lms-notepad-color-btn[data-color="#a62127"] { background: #a62127; }
.lms-notepad-color-btn[data-color="#d97706"] { background: #d97706; }
.lms-notepad-color-btn[data-color="#1d4ed8"] { background: #1d4ed8; }
.lms-notepad-color-btn[data-color="#047857"] { background: #047857; }

.lms-notepad-highlight-btn[data-highlight="#fef08a"] { background: #fef08a; }
.lms-notepad-highlight-btn[data-highlight="#bfdbfe"] { background: #bfdbfe; }

.lms-notepad-status {
    font-size: 13px;
    color: var(--ausbia-lesson-panel-text, #64748b);
    opacity: 0.75;
}

.lms-notepad-status.is-saving {
    color: #2563eb;
}

.lms-notepad-status.is-success {
    color: #047857;
}

.lms-notepad-status.is-error {
    color: #b91c1c;
}

.lms-notepad-editor {
    width: 100%;
    min-height: 180px;
    border: 1px solid var(--ausbia-lesson-panel-border, #cbd5e1);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--ausbia-lesson-panel-text, #1f2937);
    background: var(--ausbia-lesson-text-bg, #fff);
    overflow-y: auto;
    max-height: min(45vh, 420px);
}

.lms-notepad-editor h2,
.lms-notepad-editor h3,
.lms-notepad-editor h4 {
    margin: 0.6em 0 0.4em;
    color: var(--ausbia-lesson-panel-text, #1f2937);
}

.lms-notepad-editor strong {
    font-weight: 700;
}

.lms-notepad-editor .lms-note-color-red,
.lms-course-note-content .lms-note-color-red { color: #a62127 !important; }
.lms-notepad-editor .lms-note-color-amber,
.lms-course-note-content .lms-note-color-amber { color: #d97706 !important; }
.lms-notepad-editor .lms-note-color-blue,
.lms-course-note-content .lms-note-color-blue { color: #1d4ed8 !important; }
.lms-notepad-editor .lms-note-color-green,
.lms-course-note-content .lms-note-color-green { color: #047857 !important; }

.lms-notepad-editor .lms-note-hl-yellow,
.lms-course-note-content .lms-note-hl-yellow { background-color: #fef08a !important; }
.lms-notepad-editor .lms-note-hl-blue,
.lms-course-note-content .lms-note-hl-blue { background-color: #bfdbfe !important; }

.lms-notepad-editor:focus {
    outline: none;
    border-color: var(--ausbia-lesson-panel-text, #f59e0b);
    box-shadow: 0 0 0 2px var(--ausbia-lesson-panel-border, rgba(0, 0, 0, 0.2));
}

.lms-notepad-editor:empty::before {
    content: attr(data-placeholder);
    color: var(--ausbia-lesson-panel-text, #64748b);
    opacity: 0.55;
}

.lms-notepad-actions {
    margin-top: 12px;
    display: flex;
    justify-content: flex-end;
}

.lms-notepad-close-btn {
    border: 1px solid var(--ausbia-lesson-panel-border, #cbd5e1);
    background: var(--ausbia-lesson-button-bg, #fff);
    color: var(--ausbia-lesson-panel-text, #374151);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
}

.lms-note-selection-action {
    z-index: 10050;
    border: 2px solid #a62127;
    background: linear-gradient(135deg, #fff7ed 0%, #ffe4c7 100%);
    color: #7c1d1d;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(124, 29, 29, 0.32);
    cursor: pointer;
    letter-spacing: 0.2px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.lms-note-selection-action:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 14px 28px rgba(124, 29, 29, 0.42);
    color: #450a0a;
    border-color: #7f1d1d;
}

/* 导航样式 */
.lms-lesson-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    background: linear-gradient(to bottom right, #a62127, #d8a10a);
    border-radius: 16px;
    margin-top: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.lms-nav-prev,
.lms-nav-next {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.lms-nav-prev::before, .lms-nav-next::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .lms-course-hero-content {
        flex-direction: column;
        text-align: center;
        padding: 40px 20px;
    }
    
    .lms-course-hero-left {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .lms-course-hero-right {
        flex: none;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .lms-course-stats {
        justify-content: left;
    }
    
    .lms-course-single .lms-course-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .lms-course-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
    }
    
    .lms-lesson-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 10px;
    }
    
    /* 课时卡片响应式 */
    .lms-lesson-card {
        padding: 12px 10px;
        gap: 10px;
    }
    
    .lms-lesson-card-circle {
        width: 65px;
        height: 65px;
    }
    
    .lms-lesson-card-title {
        font-size: 12px;
        min-height: 32px;
    }
}

@media (max-width: 768px) {
    .lms-course-single {
        padding: 0 15px;
        margin: 20px 0;
    }
    
    .lms-course-hero {
        border-radius: 16px;
    }
    
    .lms-course-hero-content {
        padding: 30px 20px;
    }
    
    .lms-course-title h1 {
        font-size: 32px;
    }
    
    .lms-course-subtitle {
        font-size: 16px;
    }
    
    
    .lms-stat-item {
        padding: 12px 15px;
    }
    
    .lms-stat-value {
        font-size: 20px;
    }
    
    .lms-course-main {
        padding: 25px 20px;
    }
    
    .lms-course-sidebar {
        padding: 25px 20px;
    }
    
    .lms-section-header h2 {
        font-size: 20px;
    }
    
    .lms-progress-overview {
        padding: 20px;
    }
    
    .lms-progress-stats {
        gap: 20px;
    }
    
    .lms-progress-stat-value {
        font-size: 24px;
    }
    
    .lms-lesson-number-button {
        width: 70px;
        height: 70px;
    }
    
    .lms-lesson-number-text {
        font-size: 14px;
    }
    
    /* 课程详情页按钮响应式 */
    .lms-course-single .lms-course-actions .lms-btn,
    .lms-course-detail-btn {
        width: 100%;
        font-size: 14px;
        padding: 12px 20px;
    }
    
    /* 章节响应式 */
    .lms-chapters-container {
        gap: 20px;
    }
    
    .lms-chapter-section {
        padding: 15px;
        border-radius: 12px;
    }
    
    .lms-chapter-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 15px;
        padding-bottom: 12px;
    }
    
    .lms-chapter-title h3 {
        font-size: 18px;
    }
    
    .lms-chapter-section .lms-lesson-grid {
        padding: 15px;
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 12px;
    }
    
    /* 课时卡片平板端优化 */
    .lms-lesson-card {
        padding: 14px 10px;
        gap: 10px;
    }
    
    .lms-lesson-card-circle {
        width: 70px;
        height: 70px;
    }
    
    .lms-lesson-card-title {
        font-size: 12px;
        min-height: 32px;
    }
}

@media (max-width: 480px) {
    .lms-course-title h1 {
        font-size: 28px;
    }
    
    .lms-course-progress-ring {
        width: 44px !important;
        height: 44px !important;
        border: 2px solid rgba(255, 255, 255, 0.25) !important;
    }
    
    .lms-course-progress-ring .lms-progress-ring-bg,
    .lms-course-progress-ring .lms-progress-ring-fill {
        stroke-width: 4.5px !important;
    }
    
    .lms-course-progress-ring .lms-progress-ring-text {
        font-size: 10px !important;
    }
    
    /* 手机端按钮样式 */
    .lms-course-image .lms-btn-full {
        min-width: 60px;
        padding: 4px 8px;
        font-size: 8px;
    }

    
    .lms-progress-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .lms-lesson-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
    }
    
    .lms-lesson-number-button {
        width: 60px;
        height: 60px;
    }
    
    .lms-lesson-number-text {
        font-size: 13px;
    }
    
    /* 课时卡片移动端优化 */
    .lms-lesson-card {
        padding: 12px 8px;
        gap: 8px;
        min-width: 120px;
    }
    
    .lms-lesson-card-circle {
        width: 60px;
        height: 60px;
    }
    
    .lms-lesson-card-title {
        font-size: 11px;
        line-height: 1.3;
        min-height: 28px;
        -webkit-line-clamp: 2;
    }
    
    .lms-lesson-card .lms-lesson-number-text {
        font-size: 14px !important;
    }
    
    /* 章节响应式 - 移动端 */
    .lms-chapters-container {
        gap: 15px;
    }
    
    .lms-chapter-section {
        padding: 12px;
        border-radius: 10px;
    }
    
    .lms-chapter-title h3 {
        font-size: 16px;
    }
    
    .lms-chapter-count {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .lms-chapter-section .lms-lesson-grid {
        padding: 12px;
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
}

.lms-nav-prev:hover::before, .lms-nav-next:hover::before {
    left: 100%;
}

.lms-nav-prev:hover,
.lms-nav-next:hover {
    background: linear-gradient(to bottom right, #a62127, #d8a10a);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(166, 33, 39, 0.4);
}

.lms-nav-prev .dashicons,
.lms-nav-next .dashicons {
    font-size: 18px;
}

/* 环形进度图样式 */
.lms-circular-progress {
    position: fixed;
    top: 200px;
    right: 30px;
    width: 100px;
    height: 100px;
    z-index: 1000;
    background: radial-gradient(circle, #a62127, #d8a10a);
    border-radius: 50%;
    box-shadow: 0 8px 32px rgba(166, 33, 39, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 1 !important;
    visibility: visible !important;
}

.lms-circular-progress:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(166, 33, 39, 0.4);
}

.lms-circular-progress-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.lms-circular-progress-circle {
    position: relative;
    width: 100%;
    height: 100%;
}

.lms-circular-progress-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.lms-circular-progress-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 12;
}

.lms-circular-progress-fill {
    fill: none;
    stroke: url(#circularProgressGradient);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: 326.726;
    stroke-dashoffset: 326.726;
    transition: stroke-dashoffset 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

.lms-circular-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 加载动画 */
@keyframes lms-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 页面加载动画 */
@keyframes lms-fade-in-up {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lms-fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* 应用动画 */
.lms-lesson-single {
    animation: lms-fade-in-up 0.6s ease-out;
}

.lms-lesson-header {
    animation: lms-fade-in 0.8s ease-out;
}

.lms-lesson-content {
    animation: lms-fade-in-up 0.8s ease-out 0.2s both;
}

.lms-lesson-navigation {
    animation: lms-fade-in-up 0.8s ease-out 0.4s both;
}

/* 隐藏元素 */
.lms-progress-data-hidden {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .lms-lesson-single {
        margin-top: 70px;
        border-radius: 12px;
    }
    
    .lms-lesson-header {
        padding: 30px 20px;
    }
    
    .lms-lesson-header h1 {
        font-size: 24px;
    }
    
    .lms-lesson-content {
        padding: 30px 20px;
    }
    
    .lms-lesson-media {
        margin-bottom: 20px;
    }
    
    .lms-lesson-text {
        font-size: 16px;
        padding: 20px;
    }
    
    .lms-lesson-header-top {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .lms-lesson-header-left {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .lms-course-name {
        font-size: 14px;
        padding: 6px 12px;
    }
    
    .lms-status-circle {
        min-width: 100px;
        padding: 6px 12px;
    }
    
    .lms-status-circle .dashicons {
        font-size: 16px;
        width: 16px;
        height: 16px;
    }
    
    .lms-status-circle .lms-status-text {
        font-size: 12px;
    }
    
    .lms-confirm-reading-complete {
        padding: 30px 20px;
        margin: 30px 15px;
        max-width: 100%;
    }
    
    .lms-confirm-reading-btn {
        padding: 16px 28px;
        font-size: 15px;
        width: 100%;
        max-width: 320px;
    }
    
    .lms-confirm-reading-hint {
        font-size: 13px;
        padding: 0 10px;
    }

    .lms-floating-notepad {
        z-index: 1200;
    }

    .lms-notepad-toggle-btn {
        right: 14px;
        bottom: 104px;
        width: 44px;
        height: 44px;
        font-size: 12px;
    }

    .ausbia-lesson-tools.has-notepad-toggle .lms-notepad-toggle-btn {
        right: 0;
        bottom: 54px;
    }

    .ausbia-lesson-tools .ausbia-lesson-tools__actions .lms-notepad-toggle-btn {
        right: auto;
        bottom: auto;
    }

    .lms-lesson-notepad-card {
        width: calc(100vw - 18px);
        left: 50%;
        bottom: 16px;
        padding: 16px;
    }

    .lms-notepad-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .lms-notepad-editor {
        min-height: 150px;
        font-size: 14px;
    }
    
    .lms-lesson-navigation {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    
    .lms-nav-prev, .lms-nav-next {
        width: 100%;
        justify-content: center;
    }
    
    .lms-circular-progress {
        top: 40px;
        right: 15px;
        width: 70px;
        height: 70px;
    }
    
    .lms-circular-progress-text {
        font-size: 14px;
    }
    
    .lms-status-completed,
    .lms-status-in-progress {
        padding: 10px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .lms-lesson-header h1 {
        font-size: 20px;
    }
    
    .lms-lesson-text {
        font-size: 15px;
        padding: 15px;
    }
    
    .lms-lesson-media {
        margin-bottom: 15px;
    }

    .lms-floating-notepad {
        z-index: 1200;
    }

    .lms-lesson-notepad-card {
        width: calc(100vw - 14px);
        bottom: 10px;
        padding: 14px;
    }

    .lms-notepad-header h3 {
        font-size: 16px;
    }

    .lms-notepad-status {
        font-size: 12px;
    }
    
    .lms-status-circle {
        min-width: 80px;
        padding: 4px 8px;
    }
    
    .lms-status-circle .dashicons {
        font-size: 14px;
        width: 14px;
        height: 14px;
    }
    
    .lms-status-circle .lms-status-text {
        font-size: 11px;
    }
    
    .lms-course-name {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .lms-circular-progress {
        top: 30px;
        right: 10px;
        width: 60px;
        height: 60px;
    }
    
    .lms-circular-progress-text {
        font-size: 12px;
    }
}

/* ===== 我的课程页面样式 ===== */
.lms-my-courses {
    min-height: calc(100vh - 200px);
    width: 100%;
    max-width: 100%;
    clear: both;
    overflow-x: hidden;
    box-sizing: border-box;
}

.lms-my-courses .lms-archive-hero {
    background: linear-gradient(135deg, #a62127 0%, #d8a10a 100%);
}

.lms-my-courses .lms-archive-title {
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.lms-my-courses .lms-archive-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

/* 我的课程特有的元数据样式 */
.lms-course-meta {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
}

.lms-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lms-meta-label {
    color: #64748b;
    font-weight: 500;
}

.lms-meta-value {
    color: #1e293b;
    font-weight: 600;
}

.lms-meta-value.lms-progress-not_started {
    color: #64748b;
}

.lms-meta-value.lms-progress-in_progress {
    color: #fbbf24;
}

.lms-meta-value.lms-progress-completed {
    color: #f59e0b;
}

/* 进度状态过滤器指示 */
.lms-filter-group.lms-filter-active .lms-filter-label {
    color: #a62127;
    font-weight: 600;
}

.lms-filter-group.lms-filter-active .lms-filter-icon {
    transform: scale(1.1);
}

/* 我的课程特有的进度圆环样式 */
.lms-my-courses .lms-course-progress-ring {
    box-shadow: 0 12px 28px rgba(214, 143, 0, 0.4), inset 0 0 14px rgba(255, 255, 255, 0.28) !important;
}

/* 继续学习按钮特殊样式 */
.lms-continue-course {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    border: none;
}

.lms-continue-course:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* 消息样式 */
.lms-message {
    padding: 16px 20px;
    border-radius: 8px;
    margin: 20px 0;
    font-size: 15px;
    line-height: 1.5;
}

.lms-message-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

.lms-message a {
    color: #1e40af;
    text-decoration: underline;
    font-weight: 600;
}

.lms-message a:hover {
    color: #1d4ed8;
}

/* 确保网格容器不超出页面宽度 */
.lms-my-courses .lms-course-grid,
.lms-my-courses .lms-course-container {
    max-width: 1200px !important;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .lms-my-courses .lms-course-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 10px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .lms-my-courses .lms-course-card {
        margin: 0;
    }
    
    .lms-course-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .lms-meta-item {
        font-size: 12px;
    }
    
    .lms-my-courses .lms-course-actions {
        bottom: 12px;
        left: 12px;
        right: 12px;
    }
    
    .lms-my-courses .lms-course-progress-ring {
        width: 44px !important;
        height: 44px !important;
        top: 12px !important;
    }
    
    .lms-my-courses .lms-course-progress-ring .lms-progress-ring-bg,
    .lms-my-courses .lms-course-progress-ring .lms-progress-ring-fill {
        stroke-width: 4.5px !important;
    }
    
    .lms-my-courses .lms-progress-ring-text {
        font-size: 9px !important;
    }
    
    .lms-course-excerpt {
        display: none; /* 移动端隐藏摘要，节省空间 */
    }
}

@media (max-width: 480px) {
    .lms-my-courses .lms-filters-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .lms-my-courses .lms-filter-actions-container {
        grid-column: 1;
        justify-content: space-between;
    }
    
    .lms-course-stats {
        flex-direction: column;
        gap: 4px;
    }
    
    .lms-course-stats .lms-stat-item {
        font-size: 11px;
    }
} 

/* ===== Ultimate Member 个人资料页面美化（强制覆盖，不改插件模板） ===== */
.um.um-profile.um-viewing {
    background: radial-gradient(circle at top, #111827 0, #020617 45%, #020617 100%) !important;
    padding: 40px 0 60px !important;
    min-height: 100vh;
}

.um.um-profile.um-viewing .um-form {
    max-width: 980px !important;
    margin: 0 auto !important;
    background: transparent !important;
    padding: 0 20px !important;
}

/* 封面图区域 */
.um.um-profile.um-viewing .um-cover {
    margin-bottom: 0 !important;
    border-radius: 20px !important;
    overflow: hidden !important;
    position: relative !important;
    box-shadow: 0 18px 40px rgba(15,23,42,0.85) !important;
}

.um.um-profile.um-viewing .um-cover-e {
    overflow: hidden !important;
    border-radius: 20px !important;
    position: relative !important;
    height: auto !important;
}

.um.um-profile.um-viewing .um-cover-e picture,
.um.um-profile.um-viewing .um-cover-e picture img {
    width: 100% !important;
    height: 320px !important;
    object-fit: cover !important;
    display: block !important;
    filter: saturate(1.05) contrast(1.05) !important;
    border-radius: 20px !important;
}

.um.um-profile.um-viewing .um-cover-e::after {
    content: '' !important;
    position: absolute !important;
    inset: 0 !important;
    background: linear-gradient(to bottom, rgba(15,23,42,0.0) 0%, rgba(15,23,42,0.65) 70%, rgba(15,23,42,0.95) 100%) !important;
    pointer-events: none !important;
    z-index: 1 !important;
}

/* 隐藏默认的编辑按钮（如果需要保留可以注释掉） */
.um.um-profile.um-viewing .um-profile-edit {
    z-index: 10 !important;
}

/* 头像与基本信息卡片 */
.um.um-profile.um-viewing .um-header {
    position: relative !important;
    margin-top: -80px !important;
    padding: 0 28px !important;
    z-index: 2 !important;
    background: transparent !important;
    display: flex !important;
    align-items: flex-end !important;
    justify-content: flex-start !important;
    gap: 32px !important;
}

.um.um-profile.um-viewing .um-profile-photo {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    margin-top: -80px !important;
    z-index: 3 !important;
}

.um.um-profile.um-viewing .um-profile-photo .um-profile-photo-img {
    display: block !important;
    width: 190px !important;
    height: 190px !important;
    border-radius: 999px !important;
    overflow: hidden !important;
}

.um.um-profile.um-viewing .um-profile-photo .um-profile-photo-img img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    border-radius: 999px !important;
    border: 4px solid rgba(15,23,42,0.95) !important;
    box-shadow: 0 0 0 3px rgba(249,250,251,0.95), 0 14px 35px rgba(15,23,42,0.95) !important;
    background: transparent !important;
}

.um.um-profile.um-viewing .um-profile-meta {
    margin: 0 !important;
    background: linear-gradient(135deg, rgba(15,23,42,0.96), rgba(15,23,42,0.96)) !important;
    border-radius: 18px !important;
    padding: 22px 24px 18px !important;
    box-shadow: 0 14px 40px rgba(15,23,42,0.95), inset 0 0 0 1px rgba(148,163,184,0.15) !important;
    border: none !important;
}

.um.um-profile.um-viewing .um-main-meta {
    margin: 0 !important;
    padding: 0 !important;
}

.um.um-profile.um-viewing .um-main-meta .um-name,
.um.um-profile.um-viewing .um-main-meta .um-name a {
    font-size: 22px !important;
    font-weight: 700 !important;
    color: #E5E7EB !important;
    text-decoration: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.um.um-profile.um-viewing .um-main-meta .um-name a:hover {
    color: #FACC15 !important;
}

.um.um-profile.um-viewing .um-meta-text {
    margin-top: 6px !important;
    font-size: 14px !important;
    color: #9CA3AF !important;
    line-height: 1.5 !important;
}

.um.um-profile.um-viewing .um-profile-status {
    margin-top: 10px !important;
    font-size: 12px !important;
    color: #6B7280 !important;
    padding: 0 !important;
}

.um.um-profile.um-viewing .um-profile-status span {
    padding: 4px 10px !important;
    border-radius: 999px !important;
    background: rgba(22,163,74,0.08) !important;
    color: #22C55E !important;
    border: 1px solid rgba(34,197,94,0.35) !important;
    display: inline-block !important;
}

/* 顶部导航美化 */
.um.um-profile.um-viewing .um-profile-navbar {
    display: none !important;
}

.um.um-profile.um-viewing .um-profile-nav {
    margin-top: 22px !important;
    margin-left: 0 !important;
    border-radius: 999px !important;
    background: rgba(15,23,42,0.9) !important;
    padding: 4px !important;
    display: inline-flex !important;
    box-shadow: 0 12px 30px rgba(15,23,42,0.85), inset 0 0 0 1px rgba(148,163,184,0.16) !important;
    border: none !important;
    width: auto !important;
}

.um.um-profile.um-viewing .um-profile-nav-item {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a {
    border-radius: 999px !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
    color: #9CA3AF !important;
    text-decoration: none !important;
    transition: all 0.2s ease !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a.uimob800-show,
.um.um-profile.um-viewing .um-profile-nav-item a.uimob500-show,
.um.um-profile.um-viewing .um-profile-nav-item a.uimob340-show {
    display: none !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a.uimob800-hide,
.um.um-profile.um-viewing .um-profile-nav-item a.uimob500-hide,
.um.um-profile.um-viewing .um-profile-nav-item a.uimob340-hide {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a:hover {
    color: #E5E7EB !important;
    background: rgba(148,163,184,0.1) !important;
}

.um.um-profile.um-viewing .um-profile-nav-item.active a,
.um.um-profile.um-viewing .um-profile-nav-item.active a:hover {
    background: radial-gradient(circle at top, #FACC15, #F97316) !important;
    color: #111827 !important;
    box-shadow: 0 6px 18px rgba(248,250,252,0.35) !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a .title {
    font-weight: 600 !important;
}

.um.um-profile.um-viewing .um-profile-nav-item a i {
    font-size: 14px !important;
}

/* 主体信息卡片 */
.um.um-profile.um-viewing .um-profile-body.main {
    margin-top: 26px !important;
    background: rgba(15,23,42,0.96) !important;
    border-radius: 20px !important;
    padding: 22px 24px 26px !important;
    box-shadow: 0 18px 48px rgba(15,23,42,0.98), inset 0 0 0 1px rgba(148,163,184,0.16) !important;
    color: #E5E7EB !important;
    border: none !important;
}

.um.um-profile.um-viewing .um-profile-note {
    padding: 14px 16px !important;
    border-radius: 12px !important;
    background: rgba(30,64,175,0.35) !important;
    border: 1px solid rgba(147,197,253,0.45) !important;
    color: #E0F2FE !important;
    font-size: 13px !important;
    margin-bottom: 20px !important;
}

.um.um-profile.um-viewing .um-profile-note i {
    margin-right: 6px !important;
}

.um.um-profile.um-viewing .um-profile-note a {
    color: #93C5FD !important;
    text-decoration: underline !important;
}

/* 字段样式 */
.um.um-profile.um-viewing .um-row {
    margin: 0 0 30px 0 !important;
}

.um.um-profile.um-viewing .um-field {
    margin-bottom: 20px !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
}

.um.um-profile.um-viewing .um-field-label {
    color: #9CA3AF !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    margin-bottom: 6px !important;
}

.um.um-profile.um-viewing .um-field-label label {
    color: #9CA3AF !important;
}

.um.um-profile.um-viewing .um-field-label-icon {
    color: #6B7280 !important;
}

.um.um-profile.um-viewing .um-field-value {
    color: #F9FAFB !important;
    font-weight: 500 !important;
    font-size: 15px !important;
}

.um.um-profile.um-viewing .um-field-area {
    padding: 0 !important;
    background: transparent !important;
}

/* 清理不必要的边框和背景 */
.um.um-profile.um-viewing .um-form * {
    box-sizing: border-box;
}

.um.um-profile.um-viewing .um-col-1 {
    padding: 0 !important;
}

/* 课时额外资源（课堂回顾） */
.lms-extra-resources-section {
    --lms-extra-text: var(--ausbia-lesson-text, #1b1b1b);
    --lms-extra-muted: #64748b;
    --lms-extra-card-bg: var(--ausbia-lesson-panel-bg, #f8fafc);
    --lms-extra-card-border: var(--ausbia-lesson-panel-border, #d8d2c8);
    --lms-extra-type-bg: rgba(148, 163, 184, 0.18);
    --lms-extra-link: var(--ausbia-lesson-link, #7a2f1f);
    margin: 28px 0;
    padding: 18px;
    border: 1px solid var(--lms-extra-card-border);
    border-radius: 12px;
    background: var(--ausbia-lesson-text-bg, #ffffff);
    color: var(--lms-extra-text);
}

.lms-extra-resources-section.is-empty {
    display: none !important;
}

.lms-extra-resources-title {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--lms-extra-text);
}

body.single-lms_lesson[data-lesson-theme="white"] .lms-extra-resources-section,
body.single-lms_lesson[data-lesson-theme="warm"] .lms-extra-resources-section {
    --lms-extra-muted: #64748b;
}

body.single-lms_lesson[data-lesson-theme="gray"] .lms-extra-resources-section {
    --lms-extra-muted: #b8beca;
    --lms-extra-type-bg: rgba(255, 255, 255, 0.1);
}

body.single-lms_lesson[data-lesson-theme="dark"] .lms-extra-resources-section {
    --lms-extra-muted: #9ca3af;
    --lms-extra-type-bg: rgba(255, 255, 255, 0.12);
}

.lms-remedial-alert {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid transparent;
    font-size: 14px;
}

.lms-remedial-alert strong {
    display: block;
    margin-bottom: 4px;
}

.lms-remedial-alert p {
    margin: 0;
}

.lms-remedial-alert.is-required {
    background: #fff7ed;
    border-color: #fdba74;
    color: #9a3412;
}

.lms-remedial-alert.is-completed {
    background: #ecfdf5;
    border-color: #6ee7b7;
    color: #065f46;
}

.lms-extra-resource-list {
    display: grid;
    gap: 14px;
}

.lms-extra-resource-item {
    border: 1px solid var(--lms-extra-card-border);
    border-radius: 10px;
    padding: 12px;
    background: var(--lms-extra-card-bg);
    color: var(--lms-extra-text);
}

.lms-extra-resource-item.is-completed {
    border-color: #10b981;
}

.lms-extra-resource-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.lms-extra-resource-head h4 {
    margin: 0;
    font-size: 15px;
    color: var(--lms-extra-text);
}

.lms-extra-resource-type {
    display: inline-flex;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--lms-extra-type-bg);
    color: var(--lms-extra-text);
    font-size: 12px;
}

.lms-extra-resource-link {
    display: inline-flex;
    align-items: center;
    color: var(--lms-extra-link);
    text-decoration: none;
    font-weight: 600;
}

.lms-extra-resource-progress-wrap {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.lms-extra-resource-progress-track {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 999px;
    overflow: hidden;
}

.lms-extra-resource-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #2563eb);
}

.lms-extra-resource-progress-text {
    min-width: 42px;
    font-size: 12px;
    color: var(--lms-extra-muted);
}

.lms-extra-seek-notice {
    margin-top: 8px;
    font-size: 12px;
    color: #b91c1c;
}

.lms-extra-resource-loading,
.lms-extra-resource-empty,
.lms-extra-resource-error {
    margin: 0;
    color: var(--lms-extra-muted);
}

/* 响应式：移动端头像和meta卡片调整 */
@media (max-width: 768px) {
    .um.um-profile.um-viewing .um-header {
        padding: 0 16px !important;
        margin-top: -60px !important;
    }
    
    .um.um-profile.um-viewing .um-profile-photo {
        left: 16px !important;
        top: -30px !important;
    }
    
    .um.um-profile.um-viewing .um-profile-photo .um-profile-photo-img img {
        width: 120px !important;
        height: 120px !important;
    }
    
    .um.um-profile.um-viewing .um-profile-meta {
        margin-left: 0 !important;
        margin-top: 100px !important;
        padding: 18px 20px !important;
    }
    
    .um.um-profile.um-viewing .um-profile-nav {
        flex-wrap: wrap !important;
        gap: 4px !important;
    }
    
    .um.um-profile.um-viewing .um-profile-body.main {
        padding: 18px 20px !important;
    }
}