/* ============================================================================
   LMS / FORMATIONS - Styles
   Permatheque.org - Design System Integration
   ============================================================================ */

/* --------------------------------------------------------------------------
   INDEX PAGE - Course Grid & Cards
   -------------------------------------------------------------------------- */

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin: 2rem 0 3rem;
}

.course-card {
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,0,0,0.06);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md, 0 8px 24px rgba(0,0,0,0.1));
}

/* Card Image */
.course-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-sand-light, #f5f0eb);
}

.course-image a {
    display: block;
    width: 100%;
    height: 100%;
}

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

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

.course-image .badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
}

/* Card Body */
.course-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}

.course-level {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.course-level.level-beginner,
.course-level.level-debutant {
    background: #e8f5e9;
    color: #2e7d32;
}

.course-level.level-intermediate,
.course-level.level-intermediaire {
    background: #fff3e0;
    color: #ef6c00;
}

.course-level.level-advanced,
.course-level.level-avance {
    background: #fce4ec;
    color: #c62828;
}

.course-level.level-all_levels {
    background: var(--color-sand-light, #f5f0eb);
    color: var(--color-text-muted, #777);
}

.course-duration {
    color: var(--color-text-muted, #777);
    font-size: 0.8rem;
}

.course-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    line-height: 1.35;
}

.course-body h3 a {
    color: var(--color-text, #2d2d2d);
    text-decoration: none;
    transition: color 0.15s;
}

.course-body h3 a:hover {
    color: var(--color-sage-dark, #4a6741);
}

.course-body > p {
    font-size: 0.9rem;
    color: var(--color-text-muted, #777);
    line-height: 1.5;
    flex: 1;
    margin: 0 0 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card Footer */
.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin-top: auto;
}

.course-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-text, #2d2d2d);
}

.price-free {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-success, #4caf50);
}

.price-original {
    font-size: 0.85rem;
    color: var(--color-text-muted, #999);
    text-decoration: line-through;
}

.price-sale {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-terracotta, #b87c4c);
}

.price-big {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text, #2d2d2d);
}

.price-big.price-free,
.course-price-box .price-free {
    color: var(--color-success, #4caf50);
}

/* Badge */
.badge-free {
    background: var(--color-success, #4caf50);
    color: #fff;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin: 2rem 0;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.9rem;
    color: var(--color-text, #2d2d2d);
    text-decoration: none;
    border: 1px solid rgba(0,0,0,0.1);
    transition: all 0.15s;
}

.page-link:hover {
    background: var(--color-sand-light, #f5f0eb);
    border-color: var(--color-sage, #A8BBA3);
}

.page-link.active {
    background: var(--color-sage-dark, #4a6741);
    color: #fff;
    border-color: var(--color-sage-dark, #4a6741);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted, #777);
    background: var(--color-sand-light, #f5f0eb);
    border-radius: var(--radius-lg, 12px);
    margin: 2rem 0;
}

.empty-state p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   SHOW PAGE - Course Detail
   -------------------------------------------------------------------------- */

/* Hero Section */
.course-hero {
    background: linear-gradient(135deg, var(--color-sage-dark, #4a6741) 0%, var(--color-primary-darker, #3d5236) 100%);
    color: #fff;
    padding: 3rem 0;
    background-size: cover;
    background-position: center;
}

.course-hero-content {
    max-width: 720px;
}

.course-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-sm, 4px);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
    backdrop-filter: blur(4px);
}

.course-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0 0 0.75rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.course-tagline {
    font-size: 1.1rem;
    opacity: 0.92;
    margin: 0 0 1.25rem;
    line-height: 1.5;
}

.course-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    opacity: 0.88;
}

.course-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* Detail Layout */
.course-detail {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    margin: 2.5rem 0;
    align-items: start;
}

.course-main {
    min-width: 0;
}

.course-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

/* Sidebar Card */
.course-sidebar-card {
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    border: 1px solid rgba(0,0,0,0.06);
}

.course-price-box {
    margin-bottom: 1.25rem;
    text-align: center;
}

.course-price-box .price-big {
    display: block;
    margin-bottom: 0.25rem;
}

.course-sidebar-card .btn-block {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 0.75rem;
}

.course-info-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    border-top: 1px solid rgba(0,0,0,0.06);
    padding-top: 1rem;
}

.course-info-list li {
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: var(--color-text-muted, #666);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-info-list li strong {
    color: var(--color-text, #2d2d2d);
}

/* Enrollment Progress (in sidebar) */
.enrollment-progress {
    margin-bottom: 1rem;
    text-align: center;
}

.enrollment-progress span {
    font-size: 0.85rem;
    color: var(--color-text-muted, #666);
    margin-top: 0.25rem;
    display: inline-block;
}

/* Course Sections */
.course-section {
    margin-bottom: 2.5rem;
}

.course-section h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-sage, #A8BBA3);
    color: var(--color-text, #2d2d2d);
}

.course-description {
    line-height: 1.7;
    font-size: 1rem;
    color: var(--color-text, #2d2d2d);
}

.course-description h2,
.course-description h3 {
    border-bottom: none;
    margin-top: 1.5rem;
}

.course-objectives {
    line-height: 1.7;
    color: var(--color-text, #2d2d2d);
}

/* Curriculum / Modules */
.course-curriculum {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.curriculum-module {
    background: #fff;
    border-radius: var(--radius-md, 8px);
    border: 1px solid rgba(0,0,0,0.08);
    overflow: hidden;
}

.module-header {
    padding: 1rem 1.25rem;
    background: var(--color-sand-light, #f5f0eb);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.module-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text, #2d2d2d);
}

.module-lessons-count {
    font-size: 0.8rem;
    color: var(--color-text-muted, #777);
    white-space: nowrap;
}

.lesson-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lesson-item {
    padding: 0.7rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    font-size: 0.9rem;
    color: var(--color-text, #2d2d2d);
}

.lesson-item a {
    color: var(--color-sage-dark, #4a6741);
    text-decoration: none;
    flex: 1;
}

.lesson-item a:hover {
    text-decoration: underline;
}

.lesson-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.lesson-duration {
    font-size: 0.78rem;
    color: var(--color-text-muted, #999);
    margin-left: auto;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   LESSON PAGE - Lesson Viewer
   -------------------------------------------------------------------------- */

.lesson-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 0;
    min-height: calc(100vh - 80px);
}

/* Lesson Sidebar */
.lesson-sidebar {
    background: #fff;
    border-right: 1px solid rgba(0,0,0,0.08);
    overflow-y: auto;
    max-height: calc(100vh - 80px);
    position: sticky;
    top: 80px;
}

.lesson-sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    background: var(--color-sand-light, #f5f0eb);
}

.back-to-course {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.82rem;
    color: var(--color-sage-dark, #4a6741);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.15s;
}

.back-to-course:hover {
    color: var(--color-primary-hover, #5a7f4e);
    text-decoration: underline;
}

.lesson-sidebar-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    line-height: 1.3;
    color: var(--color-text, #2d2d2d);
}

.lesson-sidebar-header .progress-bar {
    margin-top: 0.5rem;
}

.lesson-sidebar-header .progress-bar.small {
    height: 5px;
}

/* Lesson Nav */
.lesson-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lesson-nav li {
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.lesson-nav li a {
    display: block;
    padding: 0.7rem 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text, #333);
    text-decoration: none;
    transition: all 0.15s;
    line-height: 1.4;
}

.lesson-nav li a:hover {
    background: var(--color-sand-light, #f5f0eb);
}

.lesson-nav li.active a {
    background: rgba(168, 187, 163, 0.15);
    color: var(--color-sage-dark, #4a6741);
    font-weight: 600;
    border-left: 3px solid var(--color-sage-dark, #4a6741);
}

/* Lesson Content */
.lesson-content {
    padding: 2.5rem 3rem;
    max-width: 900px;
}

.lesson-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
    color: var(--color-text, #2d2d2d);
}

.lesson-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    margin-bottom: 2rem;
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
    background: #000;
}

.lesson-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.lesson-text {
    line-height: 1.8;
    font-size: 1rem;
    color: var(--color-text, #2d2d2d);
}

.lesson-text img {
    max-width: 100%;
    border-radius: var(--radius-md, 8px);
    margin: 1.25rem 0;
}

.lesson-text pre {
    background: var(--color-sand-light, #f5f0eb);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md, 8px);
    overflow-x: auto;
    font-size: 0.9rem;
}

.lesson-pdf {
    margin: 1.5rem 0;
}

/* Lesson Actions */
.lesson-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.mark-complete {
    cursor: pointer;
}

.lesson-completed {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--color-success, #4caf50);
    font-size: 0.95rem;
}

.lesson-nav-buttons {
    display: flex;
    gap: 0.75rem;
    margin-left: auto;
}

/* --------------------------------------------------------------------------
   MY ENROLLMENTS PAGE
   -------------------------------------------------------------------------- */

.enrollments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.enrollment-card {
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.06));
    border: 1px solid rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.enrollment-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.enrollment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.enrollment-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.enrollment-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.enrollment-body h3 a {
    color: var(--color-text, #2d2d2d);
    text-decoration: none;
}

.enrollment-body h3 a:hover {
    color: var(--color-sage-dark, #4a6741);
}

.enrollment-body .enrollment-progress {
    margin-bottom: 0.75rem;
    text-align: left;
}

.enrollment-body .enrollment-progress span {
    font-size: 0.82rem;
}

.enrollment-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-muted, #666);
    margin-bottom: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.status-active {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-badge.status-completed {
    background: var(--color-sage, #A8BBA3);
    color: #fff;
}

.status-badge.status-paused {
    background: #fff3e0;
    color: #ef6c00;
}

/* --------------------------------------------------------------------------
   PROGRESS BAR (shared)
   -------------------------------------------------------------------------- */

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(0,0,0,0.06);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar.small {
    height: 5px;
}

.progress-fill {
    height: 100%;
    background: var(--color-sage, #A8BBA3);
    border-radius: 4px;
    transition: width 0.4s ease;
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .course-detail {
        grid-template-columns: 1fr 280px;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .course-detail {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .course-sidebar {
        position: static;
        order: -1;
    }

    .course-hero h1 {
        font-size: 1.6rem;
    }

    .course-hero {
        padding: 2rem 0;
    }

    .course-hero-meta {
        flex-direction: column;
        gap: 0.4rem;
    }

    .lesson-layout {
        grid-template-columns: 1fr;
    }

    .lesson-sidebar {
        position: static;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid rgba(0,0,0,0.08);
    }

    .lesson-content {
        padding: 1.5rem;
    }

    .lesson-content h1 {
        font-size: 1.35rem;
    }

    .lesson-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .lesson-nav-buttons {
        margin-left: 0;
        justify-content: space-between;
    }

    .enrollments-grid {
        grid-template-columns: 1fr;
    }

    .course-section h2 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .course-image {
        height: 180px;
    }

    .course-body {
        padding: 1rem;
    }

    .course-footer {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }

    .course-footer .btn {
        text-align: center;
    }
}


/* =============================================
   LMS ENHANCED - Layout, Sidebar, Sort, Cards
   ============================================= */

/* Formations page layout - Grid with sidebar */
.formations-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .formations-layout {
        grid-template-columns: 1fr;
    }
}

/* LMS Header Actions */
.lms-header-section {
    margin-bottom: 1.5rem;
}

.lms-header-section h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.lms-header-section .lms-subtitle {
    color: var(--secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.lms-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.lms-header-actions .search-form {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.lms-header-actions .search-form input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: 8px;
    font-size: 0.9rem;
    background: var(--bg-card, #fff);
}

.lms-header-actions .search-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 76, 175, 80), 0.1);
}

.lms-header-btns {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lms-info-link {
    color: var(--primary);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: underline;
    background: none;
    border: none;
    padding: 0;
}

.lms-info-link:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .lms-header-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .lms-header-actions .search-form {
        max-width: none;
    }
    .lms-header-btns {
        flex-direction: column;
    }
}

/* Sidebar filters */
.filters-sidebar {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    position: sticky;
    top: 80px;
    align-self: start;
}

.filter-section {
    margin-bottom: 1.5rem;
}

.filter-section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary);
    margin-bottom: 0.75rem;
}

.filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-list li {
    margin-bottom: 0.25rem;
}

.filter-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background 0.15s;
}

.filter-list a:hover {
    background: rgba(0,0,0,0.04);
}

.filter-list a.active {
    background: var(--primary);
    color: #fff;
    font-weight: 500;
}

.filter-list .filter-count {
    font-size: 0.75rem;
    color: var(--secondary);
    background: rgba(0,0,0,0.04);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
}

.filter-list a.active .filter-count {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

@media (max-width: 768px) {
    .filters-sidebar {
        display: none;
    }
}

/* Sort bar */
.sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.results-count {
    font-size: 0.875rem;
    color: var(--secondary);
}

/* Course cards enhanced */
.course-rating {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: #f59e0b;
    font-weight: 500;
}

.course-rating .rating-count {
    color: var(--secondary);
    font-weight: 400;
}

.course-views {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--secondary);
}

.course-type-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: rgba(var(--primary-rgb, 76, 175, 80), 0.1);
    color: var(--primary);
}

.course-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

/* =============================================
   Trainers section
   ============================================= */

.trainers-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.trainer-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card, #fff);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 10px;
}

.trainer-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.trainer-initial {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 600;
    flex-shrink: 0;
}

.trainer-info strong {
    display: block;
    font-size: 0.95rem;
}

.trainer-info .trainer-role {
    font-size: 0.8rem;
    color: var(--secondary);
    text-transform: capitalize;
}

.trainer-info p {
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    color: var(--secondary);
    line-height: 1.4;
}

/* =============================================
   Sessions
   ============================================= */

.course-sessions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.session-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-card, #fff);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 10px;
    gap: 1rem;
}

.session-card .session-info {
    flex: 1;
}

.session-card .session-info h4 {
    margin: 0 0 0.25rem;
    font-size: 0.95rem;
}

.session-card .session-info .session-meta {
    font-size: 0.8rem;
    color: var(--secondary);
}

.session-status {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.session-status.scheduled {
    background: #dbeafe;
    color: #1d4ed8;
}

.session-status.live {
    background: #dcfce7;
    color: #15803d;
    animation: pulse-live 2s infinite;
}

.session-status.completed {
    background: #f3f4f6;
    color: #6b7280;
}

.session-status.cancelled {
    background: #fee2e2;
    color: #dc2626;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.join-session-btn {
    padding: 0.4rem 1rem;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.join-session-btn:hover {
    opacity: 0.9;
    color: #fff;
}

/* =============================================
   Reviews
   ============================================= */

.reviews-section {
    margin-top: 1rem;
}

.reviews-summary {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(var(--primary-rgb, 76, 175, 80), 0.04);
    border-radius: 10px;
}

.reviews-summary .avg-rating {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
}

.reviews-summary .star-display {
    color: #f59e0b;
    font-size: 1.1rem;
}

.reviews-summary .review-total {
    font-size: 0.85rem;
    color: var(--secondary);
}

.review-card {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.review-card:last-child {
    border-bottom: none;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.review-header .review-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.review-header .review-initial {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
}

.review-header .review-author {
    font-weight: 600;
    font-size: 0.9rem;
}

.review-header .review-date {
    font-size: 0.75rem;
    color: var(--secondary);
    margin-left: auto;
}

.review-stars {
    color: #f59e0b;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.review-comment {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-color);
}

/* Star rating input (interactive) */
.star-rating-input {
    display: flex;
    gap: 0.25rem;
    direction: rtl;
    justify-content: flex-end;
}

.star-rating-input input[type="radio"] {
    display: none;
}

.star-rating-input label {
    font-size: 1.6rem;
    color: #d1d5db;
    cursor: pointer;
    transition: color 0.15s;
}

.star-rating-input label:hover,
.star-rating-input label:hover ~ label,
.star-rating-input input:checked ~ label {
    color: #f59e0b;
}

/* Review form */
.review-form {
    background: var(--bg-card, #fff);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    padding: 1.25rem;
    margin-top: 1rem;
}

.review-form .form-group {
    margin-bottom: 1rem;
}

.review-form label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.35rem;
}

.review-form textarea {
    width: 100%;
    min-height: 80px;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: 8px;
    font-size: 0.9rem;
    resize: vertical;
    font-family: inherit;
}

.review-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* =============================================
   Messages / Discussion
   ============================================= */

.course-messages {
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-card, #fff);
}

.messages-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
}

.message-item {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.message-avatar-initial {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
}

.message-content .message-sender {
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.15rem;
}

.message-content .message-text {
    font-size: 0.875rem;
    line-height: 1.4;
}

.message-content .message-time {
    font-size: 0.7rem;
    color: var(--secondary);
    margin-top: 0.15rem;
}

.message-item.announcement {
    background: rgba(var(--primary-rgb, 76, 175, 80), 0.04);
    padding: 0.75rem;
    border-radius: 8px;
}

.message-form {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid rgba(0,0,0,0.06);
}

.message-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(0,0,0,0.12);
    border-radius: 8px;
    font-size: 0.875rem;
}

.message-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.message-form button {
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    white-space: nowrap;
}

.message-form button:hover {
    opacity: 0.9;
}

/* =============================================
   Jitsi Session Page
   ============================================= */

.jitsi-container {
    width: 100%;
    height: 600px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.08);
}

.jitsi-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.back-to-course {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.back-to-course:hover {
    text-decoration: underline;
}

/* =============================================
   Course hero enhancements
   ============================================= */

.course-hero-meta .course-rating {
    font-size: 0.85rem;
}

.course-hero-meta .course-views {
    font-size: 0.85rem;
}

/* Responsive for sessions */
@media (max-width: 640px) {
    .session-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .session-card .join-session-btn {
        align-self: stretch;
        text-align: center;
    }
    .trainers-list {
        grid-template-columns: 1fr;
    }
    .jitsi-container {
        height: 400px;
    }
}