/* ============================================
   Cap Learning - LMS Dashboard Styles
   ============================================ */

/* --- Layout --- */
.lms-layout {
    display: flex;
    min-height: 100vh;
    background: var(--surface-secondary);
}

/* --- Sidebar --- */
.lms-sidebar {
    width: 270px;
    min-height: 100vh;
    background: var(--color-secondary);
    color: var(--text-inverse);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    padding: var(--space-6) 0;
    transition: transform 0.3s ease;
}

.lms-sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-6);
    margin-bottom: var(--space-10);
    text-decoration: none;
}

.lms-sidebar-logo .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-lg);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.lms-sidebar-logo .logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-inverse);
}

.lms-sidebar-logo .logo-accent {
    color: var(--color-accent-light);
}

/* Navigation */
.lms-sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.lms-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    margin: var(--space-1) var(--space-3);
    border-radius: var(--radius-lg);
    color: var(--color-gray-400);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.lms-sidebar-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-inverse);
}

.lms-sidebar-item.active {
    background: var(--color-primary);
    color: var(--text-inverse);
    font-weight: 600;
}

.lms-sidebar-item .nav-icon {
    font-size: var(--text-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* User section at bottom */
.lms-sidebar-user {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.lms-sidebar-user .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.lms-sidebar-user .user-info {
    flex: 1;
    min-width: 0;
}

.lms-sidebar-user .user-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--text-inverse);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lms-sidebar-user .user-email {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lms-logout-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--color-gray-400);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: var(--space-3);
    width: 100%;
    text-align: center;
}

.lms-logout-btn:hover {
    background: var(--color-error);
    color: #fff;
}

/* --- Main Content --- */
.lms-main {
    flex: 1;
    margin-left: 270px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Top Bar --- */
.lms-topbar {
    background: var(--surface-primary);
    padding: var(--space-5) var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 50;
}

.lms-welcome h1 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.lms-welcome p {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: var(--space-1) 0 0;
}

.lms-topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.lms-notif-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--color-gray-200);
    background: var(--surface-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    font-size: var(--text-lg);
    transition: all 0.2s ease;
}

.lms-notif-btn:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.lms-notif-btn .notif-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-error);
    border-radius: 50%;
    border: 2px solid var(--surface-primary);
}

/* --- Content Area --- */
.lms-content {
    padding: var(--space-8);
    flex: 1;
}

/* --- Stats Grid --- */
.lms-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.lms-stat-card {
    background: var(--surface-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--space-5);
    transition: all 0.3s ease;
}

.lms-stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.lms-stat-card .stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.lms-stat-card .stat-icon.icon-courses {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.lms-stat-card .stat-icon.icon-progress {
    background: #ECFDF5;
    color: var(--color-success);
}

.lms-stat-card .stat-icon.icon-certs {
    background: #FFF7ED;
    color: var(--color-warning);
}

.lms-stat-card .stat-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.lms-stat-card .stat-label {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

/* --- Section Header --- */
.lms-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.lms-section-header h2 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.lms-section-header .lms-filter-btn {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
}

/* --- Courses Grid --- */
.lms-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

/* --- Course Card --- */
.lms-course-card {
    background: var(--surface-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.lms-course-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.lms-course-thumb {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.lms-course-thumb .thumb-icon {
    font-size: 2.8rem;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.15));
}

.lms-course-thumb .thumb-meta {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    display: flex;
    gap: var(--space-2);
}

.lms-course-thumb .thumb-badge {
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: var(--text-xs);
    font-family: var(--font-body);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.lms-course-info {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.lms-course-info .course-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-3);
    line-height: var(--leading-snug);
}

/* Progress bar */
.lms-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-2);
}

.lms-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: width 0.6s ease;
}

.lms-progress-text {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.lms-course-actions {
    margin-top: auto;
}

.lms-btn-continue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    text-align: center;
}

.lms-btn-continue:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* --- Locked Course --- */
.lms-course-locked .lms-course-thumb {
    filter: grayscale(1);
    opacity: 0.6;
}

.lms-course-locked .lock-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lms-course-locked .lock-overlay .lock-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
}

.lms-course-locked .lms-course-info {
    opacity: 0.7;
}

.lms-btn-buy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-100);
    color: var(--text-secondary);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    text-align: center;
}

.lms-btn-buy:hover {
    background: var(--color-primary-50);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}

/* --- Mobile Sidebar Toggle --- */
.lms-mobile-toggle {
    display: none;
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 200;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    align-items: center;
    justify-content: center;
}

.lms-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .lms-stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .lms-sidebar {
        transform: translateX(-100%);
    }

    .lms-sidebar.open {
        transform: translateX(0);
    }

    .lms-sidebar-overlay.open {
        display: block;
    }

    .lms-main {
        margin-left: 0;
    }

    .lms-mobile-toggle {
        display: flex;
    }

    .lms-topbar {
        padding: var(--space-4) var(--space-5);
    }

    .lms-content {
        padding: var(--space-5);
    }

    .lms-stats-grid {
        grid-template-columns: 1fr;
    }

    .lms-courses-grid {
        grid-template-columns: 1fr;
    }

    .lms-welcome h1 {
        font-size: var(--text-xl);
    }
}

/* ============================================
   Cap Learning - LMS Player Styles
   Course learning / player page
   ============================================ */

/* --- Player Layout --- */
.lms-player {
    display: flex;
    min-height: 100vh;
    background: var(--surface-secondary);
}

/* --- Player Sidebar --- */
.lms-player-sidebar {
    width: 320px;
    min-width: 320px;
    background: var(--surface-primary);
    border-right: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    z-index: var(--z-sticky);
}

.lms-sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    background: var(--surface-primary);
    position: sticky;
    top: 0;
    z-index: 2;
}

.lms-sidebar-header .back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-3);
    transition: color var(--duration-fast) var(--ease-out);
}

.lms-sidebar-header .back-link:hover {
    color: var(--color-primary);
}

.lms-sidebar-course-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    line-height: var(--leading-snug);
    margin: 0;
}

.lms-sidebar-progress {
    margin-top: var(--space-3);
}

.lms-player-sidebar .lms-progress-bar {
    margin-bottom: 0;
}

.lms-player-sidebar .lms-progress-text {
    margin-top: var(--space-1);
    margin-bottom: 0;
    display: block;
}

/* --- Module Accordion --- */
.lms-module-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2) 0;
}

.lms-module {
    border-bottom: 1px solid var(--color-gray-100);
}

.lms-module summary {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background var(--duration-fast) var(--ease-out);
}

.lms-module summary::-webkit-details-marker {
    display: none;
}

.lms-module summary::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--color-gray-500);
    border-bottom: 2px solid var(--color-gray-500);
    transform: rotate(-45deg);
    transition: transform var(--duration-fast) var(--ease-out);
    flex-shrink: 0;
}

.lms-module[open] summary::before {
    transform: rotate(45deg);
}

.lms-module summary:hover {
    background: var(--color-gray-50);
}

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

.lms-lesson-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6) var(--space-3) var(--space-10);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
    border-left: 3px solid transparent;
    font-family: var(--font-body);
}

.lms-lesson-item:hover {
    background: var(--color-gray-50);
}

.lms-lesson-item.active {
    background: var(--color-primary-50);
    border-left-color: var(--color-primary);
}

.lms-lesson-item.completed {
    opacity: 0.85;
}

.lesson-status-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    border: 2px solid var(--color-gray-300);
    background: var(--surface-primary);
    color: var(--color-gray-400);
}

.lesson-status-icon.completed {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
    font-size: 11px;
}

.lesson-status-icon.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.lesson-status-icon.locked {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-400);
    font-size: 10px;
}

.lms-lesson-info {
    flex: 1;
    min-width: 0;
}

.lms-lesson-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    line-height: var(--leading-snug);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lms-lesson-item.active .lms-lesson-title {
    color: var(--color-primary);
    font-weight: 600;
}

.lms-lesson-duration {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* --- Main Content Area --- */
.lms-player-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding-bottom: 72px;
}

.lms-content-inner {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: var(--space-8);
}

/* --- Video Placeholder --- */
.lms-player-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    position: relative;
    overflow: hidden;
}

.lms-video-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
}

.lms-video-play-btn {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--duration-fast) var(--ease-spring), background var(--duration-fast);
    border: 2px solid rgba(255,255,255,0.4);
}

.lms-video-play-btn:hover {
    transform: scale(1.1);
    background: rgba(255,255,255,0.35);
}

.lms-video-play-btn svg {
    width: 28px;
    height: 28px;
    fill: white;
    margin-left: 4px;
}

.lms-video-label {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
}

/* --- Lesson Content --- */
.lms-lesson-header {
    margin-bottom: var(--space-6);
}

.lms-lesson-type-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-3);
}

.lms-lesson-type-badge.video {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.lms-lesson-type-badge.exercise {
    background: #FFF7ED;
    color: #EA580C;
}

.lms-lesson-type-badge.quiz {
    background: #F0FDF4;
    color: #16A34A;
}

.lms-lesson-main-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-4) 0;
}

.lms-lesson-body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-normal);
}

.lms-lesson-body p {
    margin: 0 0 var(--space-4) 0;
}

.lms-lesson-body p:last-child {
    margin-bottom: 0;
}

/* --- Exercise Container --- */
.exercise-container {
    background: var(--surface-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-8);
}

.exercise-container h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.exercise-prompt {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: #FFF7ED;
    border-radius: var(--radius-md);
    border-left: 4px solid #EA580C;
}

.exercise-textarea {
    width: 100%;
    min-height: 180px;
    padding: var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    resize: vertical;
    transition: border-color var(--duration-fast) var(--ease-out);
    box-sizing: border-box;
}

.exercise-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-50);
}

.exercise-textarea::placeholder {
    color: var(--text-tertiary);
}

.exercise-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
}

.exercise-submit-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.exercise-success {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    border-radius: var(--radius-md);
    color: #16A34A;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    display: none;
}

.exercise-success.visible {
    display: block;
}

/* --- Quiz Container --- */
.quiz-container {
    background: var(--surface-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-8);
}

.quiz-container h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-6) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.quiz-question {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
}

.quiz-question:last-of-type {
    border-bottom: none;
}

.quiz-question-text {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    line-height: var(--leading-snug);
}

.quiz-question-number {
    color: var(--color-primary);
    font-weight: 700;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-primary);
    transition: border-color var(--duration-fast), background var(--duration-fast);
    user-select: none;
}

.quiz-option:hover:not(.correct):not(.incorrect):not(.correct-answer) {
    border-color: var(--color-primary-light);
    background: var(--color-primary-50);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
    font-weight: 500;
}

.quiz-option.correct {
    border-color: var(--color-success);
    background: #F0FDF4;
    color: #16A34A;
    cursor: default;
}

.quiz-option.incorrect {
    border-color: var(--color-error);
    background: #FEF2F2;
    color: var(--color-error);
    cursor: default;
}

.quiz-option.correct-answer {
    border-color: var(--color-success);
    background: #F0FDF4;
    cursor: default;
}

.quiz-option-radio {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-gray-300);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--duration-fast), background var(--duration-fast);
}

.quiz-option.selected .quiz-option-radio {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.quiz-option.selected .quiz-option-radio::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: white;
}

.quiz-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
}

.quiz-submit-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.quiz-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.quiz-result {
    margin-top: var(--space-6);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    text-align: center;
    display: none;
}

.quiz-result.visible {
    display: block;
}

.quiz-result.pass {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
}

.quiz-result.fail {
    background: #FEF2F2;
    border: 1px solid #FECACA;
}

.quiz-result-score {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.quiz-result.pass .quiz-result-score {
    color: var(--color-success);
}

.quiz-result.fail .quiz-result-score {
    color: var(--color-error);
}

.quiz-result-text {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* --- Bottom Navigation Bar --- */
.lms-lesson-nav {
    position: fixed;
    bottom: 0;
    left: 320px;
    right: 0;
    height: 72px;
    background: var(--surface-primary);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    z-index: var(--z-sticky);
}

.lms-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
    border: none;
    text-decoration: none;
}

.lms-nav-btn.prev {
    background: var(--color-gray-100);
    color: var(--text-primary);
}

.lms-nav-btn.prev:hover {
    background: var(--color-gray-200);
}

.lms-nav-btn.next {
    background: var(--color-primary);
    color: white;
}

.lms-nav-btn.next:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

.lms-nav-btn:disabled,
.lms-nav-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

.lms-nav-btn .arrow {
    font-size: var(--text-lg);
}

.lms-lesson-nav .nav-center {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* --- Locked Course Overlay --- */
.lms-locked-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-16) var(--space-8);
    gap: var(--space-4);
}

.lms-locked-overlay .lock-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
}

.lms-locked-overlay h2 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.lms-locked-overlay p {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--text-secondary);
    max-width: 480px;
}

.lms-locked-overlay .btn-unlock {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-8);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--duration-fast), transform var(--duration-fast);
}

.lms-locked-overlay .btn-unlock:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* --- Mark Complete Button --- */
.lms-mark-complete {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
    padding: var(--space-3) var(--space-6);
    background: var(--color-success);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--duration-fast), transform var(--duration-fast);
}

.lms-mark-complete:hover {
    background: #059669;
    transform: translateY(-1px);
}

.lms-mark-complete.is-completed {
    background: var(--color-gray-200);
    color: var(--text-secondary);
    cursor: default;
}

.lms-mark-complete.is-completed:hover {
    transform: none;
}

/* --- Player Responsive --- */
@media (max-width: 1024px) {
    .lms-player-sidebar {
        width: 280px;
        min-width: 280px;
    }

    .lms-lesson-nav {
        left: 280px;
    }
}

@media (max-width: 768px) {
    .lms-player {
        flex-direction: column;
    }

    .lms-player-sidebar {
        width: 100%;
        min-width: 100%;
        height: auto;
        max-height: 50vh;
        position: relative;
    }

    .lms-lesson-nav {
        left: 0;
    }

    .lms-content-inner {
        padding: var(--space-4);
    }

    .lms-lesson-main-title {
        font-size: var(--text-2xl);
    }

    .lms-player-video {
        border-radius: var(--radius-md);
    }

    .exercise-container,
    .quiz-container {
        padding: var(--space-4);
    }
}

/* =====================================================================
   Quick-access cards : Vidéo / Exercice / Support
   ===================================================================== */
.lms-section-header .lms-section-sub {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.lms-quick-access {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.lms-access-card {
    background: var(--surface-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
    position: relative;
}
.lms-access-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Bandeau coloré en haut */
.lms-access-thumb {
    height: 88px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    overflow: hidden;
}
.lms-access-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.25), transparent 60%);
    pointer-events: none;
}
.lms-access-thumb-icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,.2));
    z-index: 1;
}
.lms-access-thumb-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,.25);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    letter-spacing: .5px;
    backdrop-filter: blur(4px);
    z-index: 1;
}

/* Thèmes des cartes */
.lms-access-card--video .lms-access-thumb {
    background: linear-gradient(135deg, #EF4444, #F59E0B);
}
.lms-access-card--exercise .lms-access-thumb {
    background: linear-gradient(135deg, #10B981, #34D399);
}
.lms-access-card--support .lms-access-thumb {
    background: linear-gradient(135deg, #3A50F6, #6366F1);
}

.lms-access-body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.lms-access-eyebrow {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .7px;
    margin-bottom: var(--space-2);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lms-access-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
    line-height: 1.3;
    min-height: 2.6em;
}

.lms-access-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 var(--space-4);
    flex: 1;
}

/* Progress bar de la carte vidéo */
.lms-access-progress {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.lms-access-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.lms-access-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width .4s ease;
}
.lms-access-progress-text {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 36px;
    text-align: right;
}

/* Stats exercice */
.lms-access-stats {
    list-style: none;
    margin: 0 0 var(--space-4);
    padding: var(--space-3);
    background: #F0FDF4;
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}
.lms-access-stats li {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.lms-access-stat-val {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: #047857;
    line-height: 1;
}
.lms-access-stat-lbl {
    font-size: 0.68rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .3px;
    margin-top: 2px;
}

/* CTA */
.lms-access-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    background: var(--color-primary);
    color: #fff;
    transition: all .2s ease;
    margin-top: auto;
}
.lms-access-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}
.lms-access-card--video  .lms-access-cta { background: #EF4444; }
.lms-access-card--video  .lms-access-cta:hover { background: #DC2626; }
.lms-access-card--exercise .lms-access-cta { background: #10B981; }
.lms-access-card--exercise .lms-access-cta:hover { background: #059669; }

/* Liste des téléchargements */
.lms-access-downloads {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: auto;
}
.lms-download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-gray-200);
    background: var(--surface-primary);
    border-radius: var(--radius-md);
    font-family: inherit;
    cursor: pointer;
    transition: all .2s ease;
    text-align: left;
}
.lms-download-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: var(--color-primary-50);
    transform: translateX(2px);
}
.lms-download-btn:disabled {
    opacity: .45;
    cursor: not-allowed;
}
.lms-download-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}
.lms-download-meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.lms-download-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}
.lms-download-size {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 1px;
}
.lms-download-arrow {
    color: var(--color-primary);
    font-size: 1rem;
    opacity: .6;
    transition: all .2s ease;
}
.lms-download-btn:hover .lms-download-arrow { opacity: 1; transform: translateY(2px); }

.lms-download-btn.is-loading .lms-download-arrow {
    animation: spin 0.6s linear infinite;
}
.lms-download-btn.is-done {
    border-color: #10B981;
    background: #ECFDF5;
}
.lms-download-btn.is-done .lms-download-arrow::after { content: ' ✓'; color: #10B981; }

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive quick-access */
@media (max-width: 960px) {
    .lms-quick-access {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .lms-access-title { min-height: 0; }
}
@media (max-width: 640px) {
    .lms-section-header { flex-wrap: wrap; gap: 4px; }
    .lms-section-header .lms-section-sub { font-size: var(--text-xs); }
}

/* ================================================================
 * "Reprendre là où vous vous êtes arrêté" — Hero banner
 * ================================================================ */
.lms-resume-banner {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-6);
    background: linear-gradient(135deg, #1E1B4B 0%, #3A50F6 55%, #7C3AED 100%);
    color: #fff;
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    box-shadow: 0 18px 40px -12px rgba(58, 80, 246, 0.45);
    position: relative;
    overflow: hidden;
    animation: resumeFadeIn .5s var(--ease-out) both;
}

@keyframes resumeFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lms-resume-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,.12), transparent 60%);
    pointer-events: none;
}

.lms-resume-thumb {
    position: relative;
    border-radius: var(--radius-xl);
    min-height: 170px;
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.lms-resume-play {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-primary);
    font-size: 28px;
    padding-left: 6px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
    transition: transform var(--duration-normal) var(--ease-out);
}

.lms-resume-banner:hover .lms-resume-play {
    transform: scale(1.08);
}

.lms-resume-thumb-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(17, 24, 39, 0.65);
    color: #fff;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: .02em;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(6px);
}

.lms-resume-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
}

.lms-resume-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.15);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: .03em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
}

.lms-resume-title {
    font-family: var(--font-display, var(--font-body));
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    color: #fff;
}

.lms-resume-lesson {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.9);
    flex-wrap: wrap;
}

.lms-resume-module {
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.18);
    font-size: var(--text-sm);
}

.lms-resume-separator {
    opacity: .5;
}

.lms-resume-lesson-name {
    font-weight: 500;
}

.lms-resume-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 2px;
}

.lms-resume-progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.lms-resume-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #FDE68A, #FBBF24);
    border-radius: var(--radius-full);
    transition: width .5s var(--ease-out);
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.45);
}

.lms-resume-progress-text {
    font-size: var(--text-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    min-width: 90px;
    text-align: right;
}

.lms-resume-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: var(--space-2);
    flex-wrap: wrap;
}

.lms-resume-meta {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.75);
}

.lms-resume-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-full);
    background: #fff;
    color: var(--color-primary);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal);
}

.lms-resume-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.lms-resume-cta:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 860px) {
    .lms-resume-banner {
        grid-template-columns: 1fr;
        padding: var(--space-5);
        gap: var(--space-4);
    }
    .lms-resume-thumb { min-height: 130px; }
    .lms-resume-title { font-size: var(--text-xl); }
}

@media (max-width: 520px) {
    .lms-resume-footer {
        flex-direction: column;
        align-items: stretch;
    }
    .lms-resume-cta {
        justify-content: center;
    }
}

/* ==========================================================================
   CAP PLAYER — Lecteur vidéo (HLS via S3 + Cloudflare)
   Monté par js/video-player.js dans #player-area
   ========================================================================== */

.learn-player {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius-lg, 14px);
    overflow: hidden;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.18);
}

/* <video> natif rendu par CapPlayer (HLS + MP4) */
.cap-player-video {
    width: 100%;
    height: 100%;
    display: block;
    background: #000;
    object-fit: contain;
}

/* Iframes éventuels (non utilisés dans la stack S3+Cloudflare,
   gardés pour compat si une leçon pointe vers un embed externe) */
.cap-player-iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* États : pending / error — fond dégradé marque */
.learn-player.cap-player-pending {
    background: linear-gradient(135deg, #3A50F6 0%, #A78BFA 100%);
}

.learn-player.cap-player-error {
    background: linear-gradient(135deg, #64748B 0%, #334155 100%);
}

.cap-player-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-6, 32px);
    color: #ffffff;
    gap: var(--space-3, 12px);
}

.cap-player-state-icon {
    font-size: 3rem;
    line-height: 1;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
}

.cap-player-state-title {
    margin: 0;
    font-size: var(--text-xl, 1.25rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.cap-player-state-desc {
    margin: 0;
    max-width: 44ch;
    font-size: var(--text-base, 1rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.92);
}

/* Badge "Aperçu démo" en surimpression */
.cap-player-demo-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
    background: rgba(58, 80, 246, 0.92);
    border-radius: 999px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.3);
}

/* Responsive : réduit le padding/texte sur mobile */
@media (max-width: 600px) {
    .cap-player-state {
        padding: var(--space-4, 16px);
        gap: var(--space-2, 8px);
    }
    .cap-player-state-icon { font-size: 2.25rem; }
    .cap-player-state-title { font-size: var(--text-lg, 1.125rem); }
    .cap-player-state-desc  { font-size: 0.92rem; }
}

/* Réduit les animations si l'utilisateur le demande */
@media (prefers-reduced-motion: reduce) {
    .cap-player-video,
    .cap-player-iframe { transition: none !important; }
}