/* ==============================
   CUSTOM POST LISTS PLUGIN STYLES
   Modern Udemy-style layout
============================== */

/* ==============================
   NEW UDEMY-STYLE LAYOUT
   Modern 2-column course layout
============================== */

/* Main container layout */
.course-layout {
    display: grid !important;
    grid-template-columns: 1fr 400px !important;
    gap: 32px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 24px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* Left column: Main content */
.course-main-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 32px !important;
    width: 100% !important;
    min-width: 0 !important;
}

/* Section titles */
.section-title {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid #e5e7eb;
}

/* Description section */
.course-description-section {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.description-content {
    font-size: 16px;
    line-height: 1.7;
    color: #374151;
}

/* Curriculum section */
.course-curriculum-section {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.lesson-count-info {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: #f3f4f6;
    border-radius: 8px;
}

.lesson-count {
    font-size: 16px;
    font-weight: 600;
    color: #374151;
}

/* Lesson list styling */
.lesson-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lesson-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.lesson-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.lesson-item a {
    display: flex;
    align-items: center;
    padding: 16px;
    text-decoration: none;
    color: inherit;
    gap: 16px;
}

.lesson-number {
    width: 32px;
    height: 32px;
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.lesson-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.lesson-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-placeholder {
    width: 100%;
    height: 100%;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    font-size: 12px;
}

.lesson-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lesson-title {
    font-size: 16px;
    font-weight: 500;
    color: #1f2937;
    line-height: 1.4;
}

.lesson-duration {
    font-size: 14px;
    color: #6b7280;
}

.lesson-status {
    display: flex;
    align-items: center;
}

.play-icon {
    color: #3b82f6;
    font-size: 18px;
}

/* Right sidebar */
.course-sidebar {
    position: static !important;
    top: auto !important;
    height: fit-content !important;
    width: 400px !important;
    min-width: 400px !important;
    max-width: 400px !important;
}

.course-info-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* Thumbnail wrapper */
.course-thumbnail-wrapper {
    position: relative;
    background: #f3f4f6;
}

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

.course-thumbnail-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: #f3f4f6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 48px;
    color: #9ca3af;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.course-thumbnail-wrapper:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

/* Course basic info */
.course-basic-info {
    padding: 24px;
}

.course-title {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 20px 0;
    line-height: 1.3;
}

/* Course stats */
.course-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    font-size: 20px;
}

.stat-value {
    font-size: 16px;
    color: #374151;
    font-weight: 500;
}

/* Course actions */
.course-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-enroll, .btn-preview {
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-enroll {
    background: #3b82f6;
    color: white;
}

.btn-enroll:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.btn-preview {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-preview:hover {
    background: #e5e7eb;
}

/* Course features */
.course-features h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 16px 0;
}

.features-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #374151;
}

.feature-icon {
    color: #10b981;
    font-weight: bold;
}

/* No lessons message */
.no-lessons {
    text-align: center;
    color: #6b7280;
    font-style: italic;
    padding: 40px 20px;
}

/* ==============================
   COURSE SECTIONS STYLING
   Styling for course sections and modules
============================== */

/* Course section container */
.course-section {
    margin-bottom: 32px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.course-section:last-child {
    margin-bottom: 0;
}

/* Section header */
.section-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
}

.section-header .section-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 8px 0;
    line-height: 1.3;
}

.section-description {
    font-size: 14px;
    color: #64748b;
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.section-meta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-lesson-count {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    background: #e2e8f0;
    padding: 4px 12px;
    border-radius: 20px;
}

/* Section lessons list */
.section-lessons {
    padding: 0;
    margin: 0;
}

.section-lessons .lesson-item {
    border: none;
    border-radius: 0;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 0;
}

.section-lessons .lesson-item:last-child {
    border-bottom: none;
}

.section-lessons .lesson-item:hover {
    background: #f8fafc;
    border-color: transparent;
}

/* Section lessons with different styling */
.section-lessons .lesson-item a {
    padding: 16px 24px;
    gap: 16px;
}

.section-lessons .lesson-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.section-lessons .lesson-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.section-lessons .lesson-title {
    font-size: 16px;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.4;
}

.section-lessons .lesson-duration {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

.section-lessons .lesson-status {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f1f5f9;
    border-radius: 50%;
    flex-shrink: 0;
}

.section-lessons .play-icon {
    color: #3b82f6;
    font-size: 16px;
}

/* Section collapse/expand functionality */
.section-header {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.section-header:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

.section-header::after {
    content: '▼';
    float: right;
    font-size: 12px;
    color: #64748b;
    transition: transform 0.2s ease;
}

.section-header.collapsed::after {
    transform: rotate(-90deg);
}

.section-content {
    transition: max-height 0.3s ease, opacity 0.3s ease;
    overflow: hidden;
}

.section-content.collapsed {
    max-height: 0;
    opacity: 0;
}

/* Responsive design for sections */
@media (max-width: 768px) {
    .course-section {
        margin-bottom: 24px;
    }
    
    .section-header {
        padding: 16px 20px;
    }
    
    .section-header .section-title {
        font-size: 16px;
    }
    
    .section-lessons .lesson-item a {
        padding: 12px 20px;
        gap: 12px;
    }
    
    .section-lessons .lesson-thumbnail {
        width: 60px;
        height: 45px;
    }
    
    .section-lessons .lesson-title {
        font-size: 15px;
    }
    
    .section-lessons .lesson-duration {
        font-size: 12px;
    }
    
    .section-lessons .lesson-status {
        width: 32px;
        height: 32px;
    }
    
    .section-lessons .play-icon {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .section-header {
        padding: 14px 16px;
    }
    
    .section-header .section-title {
        font-size: 15px;
    }
    
    .section-description {
        font-size: 13px;
    }
    
    .section-lesson-count {
        font-size: 12px;
        padding: 3px 8px;
    }
    
    .section-lessons .lesson-item a {
        padding: 10px 16px;
        gap: 10px;
    }
    
    .section-lessons .lesson-thumbnail {
        width: 50px;
        height: 38px;
    }
    
    .section-lessons .lesson-title {
        font-size: 14px;
    }
    
    .section-lessons .lesson-duration {
        font-size: 11px;
    }
}

/* ==============================
   ARCHIVE PAGE STYLING
   Course grid layout (scoped with high specificity)
============================== */

.otth-cpl-archive {
    padding: 40px 20px 60px !important;
    background: #ffffff !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
}

.otth-cpl-archive * {
    box-sizing: border-box !important;
}

.otth-cpl-archive .archive-hero {
    text-align: center !important;
    max-width: 900px !important;
    margin: 0 auto 56px !important;
    padding: 0 20px !important;
}

.otth-cpl-archive .archive-hero__eyebrow {
    display: inline-block !important;
    padding: 8px 16px !important;
    border-radius: 6px !important;
    background: #f0f4ff !important;
    color: #2563eb !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    margin-bottom: 20px !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}

.otth-cpl-archive .archive-hero__title {
    font-size: clamp(32px, 5vw, 48px) !important;
    margin: 0 0 16px 0 !important;
    color: #111827 !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
}

.otth-cpl-archive .archive-hero__desc {
    font-size: 18px !important;
    color: #4b5563 !important;
    margin: 0 !important;
    line-height: 1.7 !important;
    max-width: 700px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.otth-cpl-archive .otth-course-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)) !important;
    gap: 32px !important;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
}

.otth-cpl-archive .otth-course-card {
    background: #ffffff !important;
    border-radius: 16px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
    border: 1px solid #e5e7eb !important;
    display: flex !important;
    flex-direction: column !important;
    transition: all 0.3s ease !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .otth-course-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
    border-color: #d1d5db !important;
}

.otth-cpl-archive .course-card__media {
    position: relative !important;
    width: 100% !important;
    min-height: 350px !important;
    overflow: hidden !important;
    background: #f3f4f6 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .course-card__media-link {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    text-decoration: none !important;
}

.otth-cpl-archive .course-card__thumbnail {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .course-card__thumbnail--placeholder {
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 64px !important;
    color: #9ca3af !important;
    background: #f3f4f6 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .course-card__pill {
    position: absolute !important;
    top: 12px !important;
    left: 12px !important;
    padding: 6px 12px !important;
    background: rgba(37, 99, 235, 0.9) !important;
    color: #ffffff !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    z-index: 2 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.otth-cpl-archive .course-card__media-icon {
    position: absolute !important;
    bottom: 12px !important;
    right: 12px !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.95) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 16px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
    z-index: 2 !important;
}

.otth-cpl-archive .course-card__body {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    padding: 20px !important;
    flex: 1 !important;
}

.otth-cpl-archive .course-card__rating {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    font-size: 14px !important;
    color: #4b5563 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .rating-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 4px 10px !important;
    border-radius: 6px !important;
    background: #fef3c7 !important;
    color: #92400e !important;
    font-weight: 600 !important;
    font-size: 13px !important;
}

.otth-cpl-archive .rating-count {
    color: #6b7280 !important;
    font-size: 13px !important;
}

.otth-cpl-archive .course-card__title {
    margin: 0 !important;
    padding: 0 !important;
    font-size: 20px !important;
    line-height: 1.4 !important;
    color: #111827 !important;
    font-weight: 600 !important;
}

.otth-cpl-archive .course-card__title a {
    text-decoration: none !important;
    color: inherit !important;
    display: block !important;
}

.otth-cpl-archive .course-card__title a:hover {
    color: #2563eb !important;
}

.otth-cpl-archive .course-card__excerpt {
    margin: 0 !important;
    padding: 0 !important;
    font-size: 14px !important;
    color: #6b7280 !important;
    line-height: 1.6 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.otth-cpl-archive .course-card__meta {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
    flex-wrap: wrap !important;
    font-size: 13px !important;
    color: #4b5563 !important;
}

.otth-cpl-archive .course-card__meta li {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .meta-icon {
    font-size: 16px !important;
    line-height: 1 !important;
}

.otth-cpl-archive .course-card__footer {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    border-top: 1px solid #f3f4f6 !important;
    padding-top: 16px !important;
}

.otth-cpl-archive .course-card__mentor {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    margin: 0 !important;
    padding: 0 !important;
}

.otth-cpl-archive .mentor-avatar {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    background: #e0e7ff !important;
    color: #1d4ed8 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    flex-shrink: 0 !important;
}

.otth-cpl-archive .mentor-name {
    font-weight: 500 !important;
    color: #374151 !important;
    font-size: 13px !important;
}

.otth-cpl-archive .course-card__status {
    font-size: 12px !important;
    color: #10b981 !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.otth-cpl-archive .course-card__button {
    display: block !important;
    width: 100% !important;
    margin-top: 16px !important;
    padding: 12px 20px !important;
    border-radius: 8px !important;
    background: #2563eb !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    text-decoration: none !important;
    text-align: center !important;
    transition: background-color 0.2s ease !important;
    border: none !important;
    cursor: pointer !important;
}

.otth-cpl-archive .course-card__button:hover {
    background: #1d4ed8 !important;
    color: #ffffff !important;
}

.otth-cpl-archive .no-courses {
    text-align: center !important;
    padding: 80px 24px !important;
    color: #6b7280 !important;
}

.otth-cpl-archive .no-courses-icon {
    font-size: 64px !important;
    margin-bottom: 16px !important;
    opacity: 0.5 !important;
}

.otth-cpl-archive .no-courses h3 {
    font-size: 24px !important;
    font-weight: 600 !important;
    margin: 0 0 8px 0 !important;
    color: #374151 !important;
}

.otth-cpl-archive .no-courses p {
    font-size: 16px !important;
    margin: 0 !important;
    opacity: 0.8 !important;
}

@media (max-width: 768px) {
    .otth-cpl-archive {
        padding: 32px 16px 48px !important;
    }
    
    .otth-cpl-archive .archive-hero {
        margin-bottom: 40px !important;
        padding: 0 !important;
    }
    
    .otth-cpl-archive .archive-hero__title {
        font-size: 28px !important;
    }
    
    .otth-cpl-archive .archive-hero__desc {
        font-size: 16px !important;
    }
    
    .otth-cpl-archive .otth-course-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    
    .otth-cpl-archive .course-card__media {
        height: 180px !important;
    }
    
    .otth-cpl-archive .course-card__body {
        padding: 16px !important;
    }
    
    .otth-cpl-archive .course-card__meta {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }
}

@media (max-width: 480px) {
    .otth-cpl-archive {
        padding: 24px 12px 40px !important;
    }
    
    .otth-cpl-archive .otth-course-grid {
        gap: 20px !important;
    }
    
    .otth-cpl-archive .course-card__media {
        height: 160px !important;
    }
}

/* No courses message */
.no-courses {
    text-align: center;
    padding: 80px 24px;
    color: #6b7280;
}

.no-courses-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.no-courses h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: #374151;
}

.no-courses p {
    font-size: 16px;
    margin: 0;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 1024px) {
    .course-layout {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    
    /* Reorder for mobile: info first, description next, lessons last */
    .course-sidebar { position: static !important; width: 100% !important; min-width: 100% !important; max-width: 100% !important; grid-row: 1; }
    .course-main-content { grid-row: 2; }
    
    .course-info-card {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 24px;
        padding: 0 20px 40px;
    }
    
    .archive-header {
        padding: 40px 20px;
        margin-bottom: 32px;
    }
    
    .archive-title {
        font-size: 28px;
    }
    
    .archive-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .course-layout {
        padding: 16px !important;
        gap: 20px !important;
    }
    /* Fix clipping: ensure full-width hero and visible titles on mobile */
    .course-thumbnail-wrapper { width: 100% !important; }
    .course-title { font-size: 22px; line-height: 1.35; }
    .course-stats { gap: 10px; }
    /* Ensure visibility and order on small screens (grid rows) */
    .course-sidebar { grid-row: 1; width: 100% !important; min-width: 100% !important; max-width: 100% !important; }
    .course-main-content { grid-row: 2; }
    
    .course-main-content {
        gap: 24px !important;
    }
    
    .course-description-section,
    .course-curriculum-section {
        padding: 20px;
    }
    
    .section-title {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .lesson-item a {
        padding: 12px;
        gap: 12px;
    }
    
    .lesson-thumbnail {
        width: 60px;
        height: 45px;
    }
    
    .lesson-number {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .course-basic-info {
        padding: 20px;
    }
    
    .course-title {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .btn-enroll, .btn-preview {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 16px 32px;
    }
    
    .archive-header {
        padding: 32px 16px;
        margin-bottom: 24px;
    }
    
    .archive-title {
        font-size: 24px;
    }
    
    .archive-subtitle {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .course-layout {
        padding: 12px !important;
    }
    
    .course-description-section,
    .course-curriculum-section {
        padding: 16px;
    }
    
    .lesson-item a {
        padding: 10px;
        gap: 10px;
    }
    
    .lesson-thumbnail {
        width: 50px;
        height: 38px;
    }
    
    .lesson-number {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }
    
    .course-basic-info {
        padding: 16px;
    }
    
    .courses-grid {
        padding: 0 12px 24px;
    }
    
    .archive-header {
        padding: 24px 12px;
    }
    
    .archive-title {
        font-size: 20px;
    }
    
    .archive-subtitle {
        font-size: 13px;
    }
}

/* ==============================
   FORCE LAYOUT OVERRIDES
   Ensure new layout works correctly
============================== */

/* Force container to use new layout */
.course-layout {
    display: grid !important;
    grid-template-columns: 1fr 400px !important;
    gap: 32px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 24px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* Force left column */
.course-main-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 32px !important;
    width: 100% !important;
    min-width: 0 !important;
}

/* Force right column */
.course-sidebar {
    position: static !important;
    top: auto !important;
    height: fit-content !important;
    width: 400px !important;
    min-width: 400px !important;
    max-width: 400px !important;
}

/* Override any theme CSS that might interfere */
.course-layout * {
    box-sizing: border-box !important;
}

/* Ensure grid works on all browsers */
@supports (display: grid) {
    .course-layout {
        display: grid !important;
    }
}

/* Fallback for older browsers */
@supports not (display: grid) {
    .course-layout {
        display: flex !important;
        flex-wrap: wrap !important;
    }
    
    .course-main-content {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .course-sidebar {
        width: 400px !important;
        flex-shrink: 0 !important;
    }
}

/* Enforce 4:3 thumbnail ratio and make wrapper clickable */
.course-thumbnail-wrapper {
    display: block;
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.course-thumbnail-wrapper .course-thumbnail,
.course-thumbnail-wrapper .course-thumbnail-placeholder { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-thumbnail-wrapper .course-thumbnail,
.course-thumbnail-wrapper .course-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ==============================
   ARCHIVE HORIZONTAL LIST (SCOPED)
   Flat UI for course rows on archive page only
============================== */

.otth-cpl-archive .courses-list-flat {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px 48px;
}

.otth-cpl-archive .course-card.horizontal {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.otth-cpl-archive .course-card.horizontal:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: #dbeafe;
}

.otth-cpl-archive .course-card.horizontal .course-card-inner {
    display: flex !important;
    flex-direction: row !important;
    gap: 20px !important;
    align-items: stretch !important;
    width: 100% !important;
}

.otth-cpl-archive .course-card.horizontal .course-thumb-col {
    width: 320px !important;
    max-width: 40% !important;
    flex-shrink: 0 !important;
}

.otth-cpl-archive .course-card.horizontal .course-thumbnail-link,
.otth-cpl-archive .course-card.horizontal .course-thumbnail-placeholder {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f3f4f6;
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
}

/* Hard override common theme image rules */
.otth-cpl-archive .course-card.horizontal .course-thumb-col img.course-thumbnail {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: none !important;
    object-fit: cover !important;
    display: block !important;
}

.otth-cpl-archive .course-card.horizontal .course-thumbnail {
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    display: block;
}

.otth-cpl-archive .course-card.horizontal .course-info-col {
    flex: 1 1 auto !important;
    padding: 18px 18px 16px 0 !important;
    display: flex !important;
    flex-direction: column !important;
}

/* Ensure rows take full width and align content */
.otth-cpl-archive .course-card.horizontal .course-actions-inline { align-items: center; }
.otth-cpl-archive .course-card.horizontal.desc-open { border-color: #bfdbfe; box-shadow: 0 8px 24px rgba(29,78,216,0.06); }

.otth-cpl-archive .course-card.horizontal .course-title {
    margin: 16px 16px 10px 0;
    font-size: 20px;
    line-height: 1.3;
    color: #111827;
}

.otth-cpl-archive .course-card.horizontal .course-title a {
    color: inherit;
    text-decoration: none;
}

.otth-cpl-archive .course-card.horizontal .course-title a:hover {
    color: #2563eb;
}

.otth-cpl-archive .course-card.horizontal .course-stats {
    display: flex;
    gap: 12px;
    margin: 6px 0 12px 0;
}

.otth-cpl-archive .course-card.horizontal .stat-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: #f3f4f6;
    border-radius: 999px;
    font-size: 13px;
    color: #374151;
}

.otth-cpl-archive .course-card.horizontal .course-actions-inline {
    display: flex;
    gap: 10px;
    margin: 4px 0 8px 0;
}

.otth-cpl-archive .course-card.horizontal .btn-view-course {
    flex: 0 0 auto;
    padding: 10px 14px;
    background: #3b82f6;
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.otth-cpl-archive .course-card.horizontal .btn-view-course:hover { background: #2563eb; transform: translateY(-1px); }

.otth-cpl-archive .course-card.horizontal .btn-toggle-desc {
    flex: 0 0 auto;
    padding: 10px 14px;
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.otth-cpl-archive .course-card.horizontal .btn-toggle-desc[aria-expanded="true"] {
    background: #e5f0ff;
    border-color: #bfdbfe;
    color: #1d4ed8;
}

.otth-cpl-archive .course-card.horizontal .course-desc-collapsible {
    border-top: 1px dashed #e5e7eb;
    margin-top: 8px;
    padding-top: 12px;
}

.otth-cpl-archive .course-card.horizontal .course-excerpt {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.65;
    margin: 0 0 10px 0;
}

.otth-cpl-archive .course-card.horizontal .lessons-preview-title {
    font-size: 13px;
    font-weight: 700;
    color: #374151;
    margin: 0 0 6px 0;
}

.otth-cpl-archive .course-card.horizontal .lessons-preview-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.otth-cpl-archive .course-card.horizontal .lesson-preview-item {
    font-size: 13px;
    color: #6b7280;
}

@media (max-width: 992px) {
    .otth-cpl-archive .course-card.horizontal .course-thumb-col { width: 280px; }
}

@media (max-width: 768px) {
    .otth-cpl-archive .courses-list-flat { padding: 0 12px 36px; }
    .otth-cpl-archive .course-card.horizontal .course-card-inner { flex-direction: column !important; }
    .otth-cpl-archive .course-card.horizontal .course-thumbnail-link,
    .otth-cpl-archive .course-card.horizontal .course-thumbnail-placeholder { border-radius: 12px 12px 0 0; }
    .otth-cpl-archive .course-card.horizontal .course-thumb-col { width: 100% !important; max-width: 100% !important; }
    .otth-cpl-archive .course-card.horizontal .course-info-col { padding: 12px 16px 16px 16px !important; }
    .otth-cpl-archive .course-card.horizontal .course-actions-inline { flex-wrap: wrap; }
}

/* ==============================
   SHORTCODE: [custom_post_list]
   Horizontal lesson cards slider (scoped)
============================== */

.featured-articles {
    width: 100%;
}

.featured-articles .featured-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 16px 0;
}

.featured-articles .featured-title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
}

.featured-articles .featured-subtitle {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

.featured-articles .articles-slider {
    position: relative;
    overflow: hidden;
}

.featured-articles .articles-wrapper {
    display: flex;
    align-items: stretch;
    gap: 16px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    padding: 4px 2px 10px 2px;
    -webkit-overflow-scrolling: touch;
}

.featured-articles .articles-wrapper::-webkit-scrollbar {
    height: 8px;
}

.featured-articles .articles-wrapper::-webkit-scrollbar-thumb {
    background: #e5e7eb;
    border-radius: 8px;
}

.featured-articles .article-item {
    flex: 0 0 auto;
    width: 320px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
}

.featured-articles .article-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f3f4f6;
}

.featured-articles .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.featured-articles .article-title {
    font-size: 16px;
    font-weight: 600;
    margin: 12px 14px 8px 14px;
    line-height: 1.4;
}

.featured-articles .article-title a {
    color: #1f2937;
    text-decoration: none;
}

.featured-articles .article-title a:hover {
    color: #3b82f6;
}

.featured-articles .article-headings {
    margin: 0 14px 12px 14px;
    max-height: 110px;
    overflow-y: auto;
}

.featured-articles .article-headings ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.featured-articles .article-headings li {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.5;
}

.featured-articles .article-footer {
    padding: 12px 14px 16px 14px;
    margin-top: auto;
    display: flex;
    justify-content: center;
}

.featured-articles .learn-button {
    display: inline-block;
    padding: 10px 14px;
    background: #3b82f6;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.featured-articles .learn-button:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

/* Remove date overlay styles as not used anymore */

/* Sidebar course nav enhancements (scoped to plugin classes) */
.course-nav {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.course-nav .sidebar-course-header {
    padding: 8px;
    border-bottom: 1px solid #eef2f7;
}

.course-nav .course-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #f3f4f6;
    border-radius: 6px;
    overflow: hidden;
}

.course-nav .course-thumb .course-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.course-nav .course-basic { padding-top: 8px; }

.course-nav .course-title { margin: 0 0 4px 0; font-size: 16px; line-height: 1.35; }

.course-nav .course-title a { color: #1f2937; text-decoration: none; }
.course-nav .course-title a:hover { color: #3b82f6; }

.course-nav .course-meta { display: flex; gap: 8px; color: #6b7280; font-size: 12px; }
.course-nav .course-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }


.course-nav .lesson-list { display: block; }

.course-nav .lesson-item + .lesson-item { border-top: 1px solid #eef2f7; }

.course-nav .lesson-item { border: none; border-radius: 0; }
.course-nav .lesson-item a { display: grid; grid-template-columns: 72px 1fr; gap: 10px; padding: 8px 10px; align-items: center; text-decoration: none; color: inherit; }
/* Reduce text size for lesson titles in sidebar only */
.course-nav .lesson-title { font-size: 14px; line-height: 1.4; }

.course-nav .lesson-item:hover { background: #fafbff; }

.course-nav .lesson-item.active { background: #f0f7ff; box-shadow: inset 0 1px 0 #dbeafe, inset 0 -1px 0 #dbeafe; }

@media (max-width: 768px) {
    .featured-articles .article-item {
        width: 260px;
    }
}

/* =========================================
   SHORTCODE: [custom_post_list_layout]
   Flat two-column layout (desktop & mobile)
========================================= */
/* Stats styling aligned with archive cards */
.otth-course-showcase .cpl-card-stats { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    gap: 12px; 
    flex-wrap: wrap; 
    margin: 6px 0 4px 0;
}
.otth-course-showcase .course-card__rating { 
    display: inline-flex; 
    align-items: center; 
    gap: 12px; 
    font-size: 14px; 
    color: #4b5563; 
}
.otth-course-showcase .rating-badge { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
    padding: 4px 10px; 
    border-radius: 6px; 
    background: #fef3c7; 
    color: #92400e; 
    font-weight: 600; 
    font-size: 13px; 
}
.otth-course-showcase .rating-count { 
    color: #6b7280; 
    font-size: 13px; 
}
.otth-course-showcase .course-card__meta { 
    list-style: none; 
    padding: 0; 
    margin: 0; 
    display: inline-flex; 
    align-items: center; 
    gap: 16px; 
    flex-wrap: wrap; 
    font-size: 13px; 
    color: #4b5563; 
}
.otth-course-showcase .course-card__meta li { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
}
.otth-course-showcase .meta-icon { 
    font-size: 16px; 
    line-height: 1; 
}
@media (max-width: 640px) {
    .otth-course-showcase .cpl-card-stats { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: 8px; 
    }
}

/* ===== THEME VARIATIONS ===== */
.otth-course-showcase.theme-soft {
    background: linear-gradient(135deg, #f3fbff 0%, #ffffff 60%) !important;
    border-color: #e6f3ff !important;
    box-shadow: 0 12px 36px rgba(23, 162, 184, 0.08) !important;
}
.otth-course-showcase.theme-soft .otth-course-showcase__left,
.otth-course-showcase.theme-soft .otth-split-info {
    border-color: #e6f1fb !important;
}
.otth-course-showcase.theme-soft .rating-badge { background: #fff6db !important; color: #8a5a00 !important; }
.otth-course-showcase.theme-soft .course-card__meta li { color: #425466 !important; }

/* ===== SPLIT LAYOUT ===== */
.otth-course-showcase.is-split {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
}

.otth-split-header {
    display: grid !important;
    grid-template-columns: minmax(280px, 420px) 1fr !important;
    gap: 20px !important;
    align-items: stretch !important;
}

.otth-split-thumb {
    border-radius: 16px !important;
    border: 1px solid var(--cpl-border) !important;
    background: #f1f5f9 !important;
    overflow: hidden !important;
}

.otth-split-info {
    background: #fff !important;
    border: 1px solid var(--cpl-border) !important;
    border-radius: 16px !important;
    padding: 20px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
}

.otth-split-lessons-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 16px !important;
}

@media (max-width: 1100px) {
    .otth-split-header { grid-template-columns: 1fr !important; }
    .otth-split-lessons-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 640px) {
    .otth-split-lessons-grid { grid-template-columns: 1fr !important; }
}
.otth-course-showcase {
    --cpl-muted: #64748b;
    --cpl-heading: #111827;
    --cpl-border: #e5e7eb;
    width: 100%;
    margin: 36px 0;
    padding: clamp(20px, 3vw, 32px);
    background: #f8fafc;
    border-radius: 18px;
    border: 1px solid #e2e8f0;
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: clamp(20px, 4vw, 40px);
    box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08);
    font-family: inherit;
    color: var(--cpl-heading);
}

/* Default layout: cột phải (danh sách bài học) rộng hơn */
.otth-course-showcase .otth-course-showcase__left {
    grid-column: 1;
    grid-row: 1;
}

.otth-course-showcase .otth-course-showcase__right {
    grid-column: 2;
    grid-row: 1;
}

/* Reversed layout: cột trái (danh sách bài học) rộng hơn */
.otth-course-showcase.is-reversed-columns {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
}

/* Desktop: đảo vị trí 2 cột khi reverse */
.otth-course-showcase.is-reversed .otth-course-showcase__left { grid-column: 2; grid-row: 1; }
.otth-course-showcase.is-reversed .otth-course-showcase__right { grid-column: 1; grid-row: 1; }

.otth-course-showcase *,
.otth-course-showcase *::before,
.otth-course-showcase *::after {
    box-sizing: border-box;
}

.otth-course-showcase__left {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--cpl-border);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.otth-course-showcase__thumb {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--cpl-border);
    background: #f1f5f9;
}

.otth-course-showcase__thumb-img,
.otth-course-showcase__thumb-placeholder {
    width: 100%;
    display: block;
}

.otth-course-showcase__thumb-placeholder {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 600;
    font-size: 17px;
    letter-spacing: 0.04em;
    color: var(--cpl-heading);
}

.otth-course-showcase__title {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.35;
    letter-spacing: 0.06em;
}

.otth-course-showcase__excerpt {
    font-size: 15px;
    line-height: 1.6;
    color: var(--cpl-muted);
}

.otth-course-showcase__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.otth-course-showcase__stats .stat-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
}

.stat-icon {
    font-size: 20px;
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--cpl-muted);
    letter-spacing: 0.08em;
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--cpl-heading);
}

.otth-course-showcase__cta {
    align-self: flex-start;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 999px;
    text-decoration: none;
    background: #2563eb;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: background 0.2s ease;
}

.otth-course-showcase__cta:hover {
    background: #1d4ed8;
}

.otth-course-showcase__right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.otth-course-lesson-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.otth-course-lesson-section {
    padding-bottom: 8px;
    border-bottom: 1px solid #dbeafe;
    margin-top: 16px;
}

.otth-course-lesson-section .section-name {
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #2563eb;
    font-size: unset;
}

.otth-course-lesson-section .section-description {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--cpl-muted);
    letter-spacing: 0;
    text-transform: none;
}

.otth-course-lesson-card {
    display: flex;
    gap: 0;
    border-radius: 14px;
    border: 1px solid var(--cpl-border);
    background: #fff;
    overflow: hidden;
    max-height: 110px;
}

.otth-course-lesson-body {
    flex: 1;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.otth-course-lesson-body .lesson-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.35;
}

.otth-course-lesson-body .lesson-title-link {
    text-decoration: none;
    color: var(--cpl-heading);
    display: inline-block;
    width: 100%;
}

.otth-course-lesson-body .lesson-title-link:hover {
    color: #2563eb;
}

.otth-course-lesson-body .lesson-meta {
    font-size: 13px;
    color: var(--cpl-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.otth-course-lesson-body .lesson-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.otth-course-lesson-thumb {
    width: 120px;
    border-right: 1px solid var(--cpl-border);
    display: block;
    background: #f1f5f9;
    text-decoration: none;
    flex-shrink: 0;
}

.otth-course-lesson-thumb::after {
    content: "";
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
}

.otth-course-lesson-thumb img.otth-course-lesson-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
    display: block;
}

.otth-course-lesson-thumb .thumb-placeholder {
    font-size: 12px;
    padding: 12px;
    letter-spacing: 0.1em;
    color: var(--cpl-muted);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 4 / 3;
}

@media (max-width: 1100px) {
    .otth-course-showcase,
    .otth-course-showcase.is-reversed-columns {
        grid-template-columns: 1fr;
    }
    /* Mobile/Tablet: luôn hiển thị thông tin khóa học trước, danh sách sau */
    .otth-course-showcase .otth-course-showcase__left { grid-column: 1; grid-row: 1; }
    .otth-course-showcase .otth-course-showcase__right { grid-column: 1; grid-row: 2; }
    .otth-course-showcase.is-reversed .otth-course-showcase__left { grid-column: 1; grid-row: 1; }
    .otth-course-showcase.is-reversed .otth-course-showcase__right { grid-column: 1; grid-row: 2; }
}

@media (max-width: 640px) {
    .otth-course-showcase {
        padding: 18px;
        border-radius: 16px;
        gap: 16px;
    }

    .otth-course-showcase__title {
        font-size: 20px;
    }

    .otth-course-lesson-thumb {
        width: 100px;
    }
}

.entry-content img {
    border-radius: 0px !important;
}