/**
 * LMS Pro Manager - Frontend Views Styles
 * Course and Lesson display with navigation
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* DeviFlow Brand Colors Integration */
    --lpm-primary: #8B6C88;          /* Purple - buttons, CTA */
    --lpm-primary-dark: #725a6f;     /* Darker purple - hover */
    --lpm-primary-light: #9d7e9a;    /* Lighter purple */
    --lpm-section-bg: #7F8F6A;       /* Green - sections */
    --lpm-success: #10b981;
    --lpm-success-dark: #059669;
    --lpm-warning: #f59e0b;
    --lpm-danger: #ef4444;
    --lpm-gray-50: #f9fafb;
    --lpm-gray-100: #f3f4f6;
    --lpm-gray-200: #e5e7eb;
    --lpm-gray-300: #d1d5db;
    --lpm-gray-400: #9ca3af;
    --lpm-gray-500: #6b7280;
    --lpm-gray-600: #4b5563;
    --lpm-gray-700: #374151;
    --lpm-gray-800: #1f2937;
    --lpm-gray-900: #111827;
    --lpm-radius-sm: 4px;
    --lpm-radius: 8px;
    --lpm-radius-lg: 12px;
    --lpm-radius-xl: 16px;
    --lpm-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --lpm-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --lpm-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --lpm-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --lpm-transition: 0.2s ease;
    --lpm-sidebar-width: 320px;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.lpm-breadcrumbs {
    padding: 16px 0;
    margin-bottom: 24px;
}

.lpm-breadcrumbs-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
}

.lpm-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--lpm-gray-500);
}

.lpm-breadcrumb-item a {
    color: var(--lpm-gray-600);
    text-decoration: none;
    transition: color var(--lpm-transition);
}

.lpm-breadcrumb-item a:hover {
    color: var(--lpm-primary);
}

.lpm-breadcrumb-item.current {
    color: var(--lpm-gray-800);
    font-weight: 500;
}

.lpm-breadcrumb-separator {
    color: var(--lpm-gray-400);
    flex-shrink: 0;
}

/* ============================================
   COURSE SINGLE PAGE
   ============================================ */
.lpm-course-single {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.lpm-course-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    padding: 32px;
    background: linear-gradient(135deg, var(--lpm-gray-50) 0%, #fff 100%);
    border-radius: var(--lpm-radius-xl);
    border: 1px solid var(--lpm-gray-200);
}

.lpm-course-thumbnail {
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
    box-shadow: var(--lpm-shadow-lg);
}

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

.lpm-course-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lpm-course-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.lpm-category-badge {
    display: inline-flex;
    padding: 4px 12px;
    background: var(--lpm-primary-light);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    text-decoration: none;
    transition: background var(--lpm-transition);
}

.lpm-category-badge:hover {
    background: var(--lpm-primary);
    color: #fff;
}

.lpm-course-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--lpm-gray-900);
    margin: 0 0 16px;
    line-height: 1.3;
}

.lpm-course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.lpm-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--lpm-gray-600);
}

.lpm-meta-item svg {
    color: var(--lpm-gray-400);
}

.lpm-meta-item.lpm-rating svg {
    color: #fbbf24;
}

.lpm-course-progress-header {
    margin-bottom: 20px;
}

.lpm-progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--lpm-gray-600);
}

.lpm-progress-percent {
    font-weight: 600;
    color: var(--lpm-primary);
}

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

/* Buttons */
.lpm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--lpm-radius);
    cursor: pointer;
    transition: all var(--lpm-transition);
    text-decoration: none;
}

.lpm-btn-primary {
    background: var(--lpm-primary);
    color: #fff;
}

.lpm-btn-primary:hover {
    background: var(--lpm-primary-dark);
    color: #fff;
}

.lpm-btn-secondary {
    background: var(--lpm-gray-100);
    color: var(--lpm-gray-700);
}

.lpm-btn-secondary:hover {
    background: var(--lpm-gray-200);
}

.lpm-btn-success {
    background: var(--lpm-success);
    color: #fff;
}

.lpm-btn-success:hover {
    background: var(--lpm-success-dark);
}

.lpm-btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.lpm-btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

/* Course Description */
.lpm-course-description {
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--lpm-gray-700);
}

/* ============================================
   CURRICULUM
   ============================================ */
.lpm-curriculum {
    margin-bottom: 40px;
}

.lpm-curriculum-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--lpm-gray-900);
    margin: 0 0 24px;
}

.lpm-curriculum-title svg {
    color: var(--lpm-primary);
}

.lpm-sections-list {
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
}

.lpm-section {
    border-bottom: 1px solid var(--lpm-gray-200);
}

.lpm-section:last-child {
    border-bottom: none;
}

.lpm-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 16px 20px;
    background: var(--lpm-gray-50);
    border: none;
    cursor: pointer;
    transition: background var(--lpm-transition);
}

.lpm-section-header:hover {
    background: var(--lpm-gray-100);
}

.lpm-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--lpm-gray-800);
}

.lpm-section-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--lpm-gray-500);
    transition: transform var(--lpm-transition);
}

.lpm-section-header[aria-expanded="true"] .lpm-section-toggle {
    transform: rotate(180deg);
}

.lpm-section-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--lpm-gray-500);
}

.lpm-section-lessons {
    display: none;
    background: #fff;
}

.lpm-section-lessons.lpm-expanded {
    display: block;
}

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

.lpm-lesson-item {
    border-top: 1px solid var(--lpm-gray-100);
}

.lpm-lesson-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px 14px 52px;
    color: var(--lpm-gray-700);
    text-decoration: none;
    transition: background var(--lpm-transition);
}

.lpm-lesson-link:hover {
    background: var(--lpm-gray-50);
    color: var(--lpm-primary);
}

.lpm-lesson-item.lpm-current .lpm-lesson-link {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(168, 85, 247, 0.05) 100%);
    color: var(--lpm-primary);
    font-weight: 500;
}

.lpm-lesson-item.lpm-completed .lpm-lesson-link {
    color: var(--lpm-gray-500);
}

.lpm-lesson-item.lpm-locked .lpm-lesson-link {
    color: var(--lpm-gray-400);
    cursor: not-allowed;
}

.lpm-lesson-status {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.lpm-lesson-item.lpm-completed .lpm-lesson-status {
    color: var(--lpm-success);
}

.lpm-lesson-item.lpm-locked .lpm-lesson-status {
    color: var(--lpm-gray-400);
}

.lpm-lesson-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lpm-lesson-title {
    font-size: 14px;
}

.lpm-lesson-duration {
    font-size: 12px;
    color: var(--lpm-gray-500);
}

.lpm-lesson-badge {
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    text-transform: uppercase;
}

.lpm-badge-free {
    background: var(--lpm-success);
    color: #fff;
}

/* Compact Curriculum (Sidebar) */
.lpm-curriculum-compact .lpm-curriculum-title {
    display: none;
}

.lpm-curriculum-compact .lpm-sections-list {
    border: none;
    border-radius: 0;
}

.lpm-curriculum-compact .lpm-section-header {
    padding: 12px 16px;
    font-size: 14px;
}

.lpm-curriculum-compact .lpm-lesson-link {
    padding: 10px 16px 10px 40px;
    font-size: 13px;
}

/* ============================================
   LESSON SINGLE PAGE
   ============================================ */
.lpm-lesson-single {
    max-width: 100%;
    margin: 0;
}

.lpm-lesson-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--lpm-gray-50);
    border-bottom: 1px solid var(--lpm-gray-200);
}

.lpm-lesson-header-content {
    flex: 1;
}

.lpm-lesson-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--lpm-gray-900);
    margin: 0 0 8px;
}

.lpm-lesson-header .lpm-lesson-meta {
    display: flex;
    gap: 16px;
}

.lpm-status-completed {
    color: var(--lpm-success) !important;
    font-weight: 500;
}

.lpm-status-completed svg {
    color: var(--lpm-success) !important;
}

.lpm-lesson-course-link {
    flex-shrink: 0;
}

.lpm-back-to-course {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    color: var(--lpm-gray-700);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius);
    text-decoration: none;
    transition: all var(--lpm-transition);
}

.lpm-back-to-course:hover {
    background: var(--lpm-gray-50);
    border-color: var(--lpm-primary);
    color: var(--lpm-primary);
}

/* Lesson Layout */
.lpm-lesson-wrapper {
    display: grid;
    grid-template-columns: var(--lpm-sidebar-width) 1fr;
    min-height: calc(100vh - 200px);
}

.lpm-lesson-sidebar {
    background: #fff;
    border-right: 1px solid var(--lpm-gray-200);
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: calc(100vh - 100px);
}

.lpm-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--lpm-gray-200);
}

.lpm-course-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--lpm-gray-800);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    margin-bottom: 12px;
}

.lpm-course-link:hover {
    color: var(--lpm-primary);
}

.lpm-course-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lpm-sidebar-progress {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lpm-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--lpm-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.lpm-progress-bar.lpm-progress-sm {
    height: 6px;
}

.lpm-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lpm-primary) 0%, var(--lpm-primary-light) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.lpm-progress-fill.lpm-complete {
    background: var(--lpm-success);
}

.lpm-progress-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--lpm-gray-600);
    flex-shrink: 0;
}

/* Lesson Main Content */
.lpm-lesson-main {
    padding: 32px 40px;
    background: #fff;
}

/* Video Container */
.lpm-video-container {
    position: relative;
    width: 100%;
    margin-bottom: 32px;
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
    background: #000;
}

.lpm-video-container iframe,
.lpm-video-container video {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
}

/* Lesson Content */
.lpm-lesson-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--lpm-gray-700);
    margin-bottom: 32px;
}

.lpm-lesson-content h2,
.lpm-lesson-content h3,
.lpm-lesson-content h4 {
    color: var(--lpm-gray-900);
    margin-top: 32px;
    margin-bottom: 16px;
}

.lpm-lesson-content p {
    margin-bottom: 16px;
}

.lpm-lesson-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--lpm-radius);
    margin: 24px 0;
}

.lpm-lesson-content pre,
.lpm-lesson-content code {
    background: var(--lpm-gray-100);
    border-radius: var(--lpm-radius-sm);
}

.lpm-lesson-content pre {
    padding: 16px;
    overflow-x: auto;
}

.lpm-lesson-content code {
    padding: 2px 6px;
    font-size: 0.9em;
}

/* Attachments */
.lpm-lesson-attachments {
    margin-bottom: 32px;
    padding: 20px;
    background: var(--lpm-gray-50);
    border-radius: var(--lpm-radius-lg);
}

.lpm-attachments-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--lpm-gray-800);
    margin: 0 0 16px;
}

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

.lpm-attachment-item {
    margin-bottom: 8px;
}

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

.lpm-attachment-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius);
    color: var(--lpm-gray-700);
    text-decoration: none;
    transition: all var(--lpm-transition);
}

.lpm-attachment-link:hover {
    border-color: var(--lpm-primary);
    background: rgba(124, 58, 237, 0.03);
}

.lpm-attachment-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--lpm-primary);
    color: #fff;
    border-radius: var(--lpm-radius-sm);
}

.lpm-attachment-name {
    flex: 1;
    font-weight: 500;
}

.lpm-attachment-type {
    font-size: 11px;
    font-weight: 600;
    color: var(--lpm-gray-500);
    padding: 2px 8px;
    background: var(--lpm-gray-100);
    border-radius: 4px;
}

/* ============================================
   LESSON NAVIGATION
   ============================================ */
.lpm-lesson-navigation {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--lpm-gray-200);
}

.lpm-lesson-complete-action {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.lpm-mark-complete-btn {
    min-width: 200px;
}

.lpm-mark-complete-btn[disabled] {
    opacity: 1;
    cursor: default;
}

.lpm-lesson-nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.lpm-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--lpm-gray-50);
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius-lg);
    text-decoration: none;
    transition: all var(--lpm-transition);
}

.lpm-nav-link:hover {
    border-color: var(--lpm-primary);
    background: rgba(124, 58, 237, 0.03);
}

.lpm-nav-prev {
    text-align: left;
}

.lpm-nav-next,
.lpm-nav-finish {
    text-align: right;
    justify-content: flex-end;
}

.lpm-nav-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #fff;
    border: 1px solid var(--lpm-gray-200);
    border-radius: 50%;
    color: var(--lpm-gray-600);
    flex-shrink: 0;
    transition: all var(--lpm-transition);
}

.lpm-nav-link:hover .lpm-nav-arrow {
    background: var(--lpm-primary);
    border-color: var(--lpm-primary);
    color: #fff;
}

.lpm-nav-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lpm-nav-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--lpm-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lpm-nav-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--lpm-gray-800);
}

.lpm-nav-placeholder {
    display: block;
}

.lpm-nav-finish {
    background: linear-gradient(135deg, var(--lpm-success) 0%, #34d399 100%);
    border-color: var(--lpm-success);
}

.lpm-nav-finish .lpm-nav-label,
.lpm-nav-finish .lpm-nav-title {
    color: #fff;
}

.lpm-nav-finish .lpm-nav-arrow {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.lpm-nav-finish:hover {
    background: linear-gradient(135deg, var(--lpm-success-dark) 0%, var(--lpm-success) 100%);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .lpm-lesson-wrapper {
        grid-template-columns: 280px 1fr;
    }

    .lpm-lesson-main {
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .lpm-course-header {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }

    .lpm-course-title {
        font-size: 24px;
    }

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

    .lpm-lesson-sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s ease;
        border-right: none;
        box-shadow: var(--lpm-shadow-lg);
    }

    .lpm-lesson-sidebar.lpm-sidebar-open {
        left: 0;
    }

    .lpm-lesson-header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .lpm-lesson-title {
        font-size: 20px;
    }

    .lpm-lesson-main {
        padding: 20px 16px;
    }

    .lpm-lesson-nav-links {
        grid-template-columns: 1fr;
    }

    .lpm-nav-prev {
        order: 2;
    }

    .lpm-nav-next,
    .lpm-nav-finish {
        order: 1;
    }

    .lpm-breadcrumbs-list {
        font-size: 13px;
    }
}

/* Mobile Sidebar Toggle */
.lpm-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--lpm-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    box-shadow: var(--lpm-shadow-lg);
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .lpm-sidebar-toggle {
        display: flex;
    }
}

/* Sidebar Overlay */
.lpm-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.lpm-sidebar-overlay.lpm-active {
    display: block;
}

/* ============================================
   LOADING STATES
   ============================================ */
.lpm-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lpm-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--lpm-gray-200);
    border-top-color: var(--lpm-primary);
    border-radius: 50%;
    animation: lpm-spin 0.8s linear infinite;
}

@keyframes lpm-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   TRANSITIONS & ANIMATIONS
   ============================================ */
.lpm-section-lessons {
    animation: lpm-slideDown 0.2s ease;
}

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

.lpm-mark-complete-btn.lpm-completing {
    pointer-events: none;
    opacity: 0.7;
}

.lpm-lesson-item.lpm-just-completed .lpm-lesson-status {
    animation: lpm-checkmark 0.3s ease;
}

@keyframes lpm-checkmark {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================
   USER DASHBOARD / PROFILE
   ============================================ */
.lpm-user-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* Dashboard Header */
.lpm-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding: 24px 32px;
    background: linear-gradient(135deg, var(--lpm-primary) 0%, var(--lpm-primary-light) 100%);
    border-radius: var(--lpm-radius-xl);
    color: #fff;
}

.lpm-user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lpm-user-avatar {
    flex-shrink: 0;
}

.lpm-user-avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--lpm-shadow-md);
}

.lpm-user-greeting {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lpm-greeting-text {
    font-size: 14px;
    opacity: 0.9;
}

.lpm-user-name {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

/* Dashboard Stats */
.lpm-dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.lpm-stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius-lg);
    transition: all var(--lpm-transition);
}

.lpm-stat-card:hover {
    border-color: var(--lpm-primary);
    box-shadow: var(--lpm-shadow-md);
    transform: translateY(-2px);
}

.lpm-stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--lpm-gray-100);
    border-radius: var(--lpm-radius);
    flex-shrink: 0;
}

.lpm-stat-card:nth-child(1) .lpm-stat-icon {
    background: rgba(124, 58, 237, 0.1);
    color: var(--lpm-primary);
}

.lpm-stat-card:nth-child(2) .lpm-stat-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--lpm-warning);
}

.lpm-stat-card:nth-child(3) .lpm-stat-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--lpm-success);
}

.lpm-stat-card:nth-child(4) .lpm-stat-icon {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.lpm-stat-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lpm-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--lpm-gray-900);
    line-height: 1.2;
}

.lpm-stat-label {
    font-size: 13px;
    color: var(--lpm-gray-500);
}

/* Dashboard Sections */
.lpm-dashboard-section {
    margin-bottom: 40px;
}

.lpm-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--lpm-gray-900);
    margin: 0 0 20px;
}

.lpm-section-title svg {
    color: var(--lpm-primary);
}

.lpm-section-in-progress .lpm-section-title svg {
    color: var(--lpm-warning);
}

.lpm-section-completed .lpm-section-title svg {
    color: var(--lpm-success);
}

.lpm-section-not-started .lpm-section-title svg {
    color: var(--lpm-gray-400);
}

/* Dashboard Course Grid */
.lpm-dashboard-grid {
    display: grid;
    gap: 20px;
}

.lpm-dashboard-grid.lpm-cols-1 {
    grid-template-columns: 1fr;
}

.lpm-dashboard-grid.lpm-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.lpm-dashboard-grid.lpm-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.lpm-dashboard-grid.lpm-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Dashboard Course Card */
.lpm-dashboard-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
    transition: all var(--lpm-transition);
}

.lpm-dashboard-card:hover {
    border-color: var(--lpm-primary);
    box-shadow: var(--lpm-shadow-lg);
    transform: translateY(-4px);
}

.lpm-card-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--lpm-gray-100);
}

.lpm-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.lpm-dashboard-card:hover .lpm-card-thumbnail img {
    transform: scale(1.05);
}

.lpm-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
}

.lpm-card-badge.lpm-badge-in-progress {
    background: var(--lpm-warning);
}

.lpm-card-badge.lpm-badge-completed {
    background: var(--lpm-success);
}

.lpm-card-badge.lpm-badge-not-started {
    background: var(--lpm-gray-500);
}

.lpm-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px;
}

.lpm-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--lpm-gray-900);
    margin: 0 0 12px;
    line-height: 1.4;
}

.lpm-card-title a {
    color: inherit;
    text-decoration: none;
}

.lpm-card-title a:hover {
    color: var(--lpm-primary);
}

/* Progress Info */
.lpm-card-progress-info {
    margin-bottom: 16px;
}

.lpm-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

.lpm-lessons-count {
    color: var(--lpm-gray-500);
}

.lpm-progress-percentage {
    font-weight: 600;
    color: var(--lpm-primary);
}

.lpm-card-progress-info .lpm-progress-bar {
    height: 6px;
    background: var(--lpm-gray-100);
}

/* Next Lesson */
.lpm-next-lesson {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    margin-bottom: 16px;
    background: var(--lpm-gray-50);
    border-radius: var(--lpm-radius);
    border-left: 3px solid var(--lpm-primary);
}

.lpm-next-lesson-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--lpm-primary);
    color: #fff;
    border-radius: var(--lpm-radius-sm);
    flex-shrink: 0;
}

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

.lpm-next-lesson-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--lpm-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.lpm-next-lesson-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--lpm-gray-700);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Card Actions */
.lpm-card-actions {
    margin-top: auto;
}

.lpm-continue-btn,
.lpm-start-btn,
.lpm-review-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--lpm-radius);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--lpm-transition);
}

.lpm-continue-btn {
    background: var(--lpm-primary);
    color: #fff;
}

.lpm-continue-btn:hover {
    background: var(--lpm-primary-dark);
    color: #fff;
}

.lpm-start-btn {
    background: var(--lpm-gray-100);
    color: var(--lpm-gray-700);
}

.lpm-start-btn:hover {
    background: var(--lpm-primary);
    color: #fff;
}

.lpm-review-btn {
    background: var(--lpm-success);
    color: #fff;
}

.lpm-review-btn:hover {
    background: var(--lpm-success-dark);
    color: #fff;
}

/* Compact Card Variant */
.lpm-dashboard-card.lpm-card-compact {
    flex-direction: row;
}

.lpm-dashboard-card.lpm-card-compact .lpm-card-thumbnail {
    width: 160px;
    flex-shrink: 0;
    aspect-ratio: auto;
}

.lpm-dashboard-card.lpm-card-compact .lpm-card-content {
    padding: 16px;
}

.lpm-dashboard-card.lpm-card-compact .lpm-card-title {
    font-size: 15px;
    margin-bottom: 8px;
}

.lpm-dashboard-card.lpm-card-compact .lpm-next-lesson {
    padding: 8px;
    margin-bottom: 12px;
}

.lpm-dashboard-card.lpm-card-compact .lpm-continue-btn,
.lpm-dashboard-card.lpm-card-compact .lpm-start-btn,
.lpm-dashboard-card.lpm-card-compact .lpm-review-btn {
    padding: 8px 16px;
    font-size: 13px;
}

/* Empty State */
.lpm-empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--lpm-gray-50);
    border-radius: var(--lpm-radius-lg);
}

.lpm-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--lpm-gray-200);
    border-radius: 50%;
    color: var(--lpm-gray-400);
}

.lpm-empty-message {
    font-size: 16px;
    color: var(--lpm-gray-600);
    margin: 0 0 20px;
}

.lpm-browse-courses-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--lpm-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--lpm-radius);
    text-decoration: none;
    transition: all var(--lpm-transition);
}

.lpm-browse-courses-btn:hover {
    background: var(--lpm-primary-dark);
    color: #fff;
}

/* Dashboard Responsive */
@media (max-width: 1024px) {
    .lpm-dashboard-grid.lpm-cols-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .lpm-dashboard-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .lpm-user-info {
        flex-direction: column;
    }

    .lpm-user-name {
        font-size: 20px;
    }

    .lpm-dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .lpm-dashboard-grid.lpm-cols-3,
    .lpm-dashboard-grid.lpm-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .lpm-dashboard-card.lpm-card-compact {
        flex-direction: column;
    }

    .lpm-dashboard-card.lpm-card-compact .lpm-card-thumbnail {
        width: 100%;
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 480px) {
    .lpm-user-dashboard {
        padding: 16px;
    }

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

    .lpm-stat-card {
        padding: 16px;
    }

    .lpm-stat-value {
        font-size: 24px;
    }

    .lpm-dashboard-grid.lpm-cols-2,
    .lpm-dashboard-grid.lpm-cols-3,
    .lpm-dashboard-grid.lpm-cols-4 {
        grid-template-columns: 1fr;
    }

    .lpm-section-title {
        font-size: 18px;
    }
}

/* ============================================
   COURSE PLAYER - UDEMY STYLE (BLUE THEME)
   CSS Isolation to prevent theme conflicts
   ============================================ */

/* Reset all elements inside course player to prevent theme conflicts */
.lpm-course-player,
.lpm-course-player *,
.lpm-course-player *::before,
.lpm-course-player *::after {
    box-sizing: border-box !important;
}

/* Reset buttons and interactive elements */
.lpm-course-player button,
.lpm-course-player .lpm-tree-lesson-link,
.lpm-course-player .lpm-tree-section-header {
    all: unset !important;
    box-sizing: border-box !important;
    cursor: pointer !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif !important;
}

/* Reset links */
.lpm-course-player a {
    text-decoration: none !important;
    color: inherit !important;
}

.lpm-course-player {
    display: grid !important;
    grid-template-columns: 1fr 360px !important;
    min-height: 100vh !important;
    background: #fff !important;
}

/* Player Sidebar - Tree Navigation (Right side like Udemy) */
.lpm-course-player .lpm-player-sidebar {
    background: #f7f9fc !important;
    border-left: 1px solid #e4e8ed !important;
    display: flex !important;
    flex-direction: column !important;
    height: 100vh !important;
    position: sticky !important;
    top: 0 !important;
    overflow: hidden !important;
    order: 2 !important;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.04) !important;
}

.lpm-course-player .lpm-player-sidebar-header {
    padding: 16px !important;
    background: #fff !important;
    border-bottom: 1px solid #e4e8ed !important;
    flex-shrink: 0 !important;
}

.lpm-course-player .lpm-player-course-title {
    font-weight: 900 !important;
    color: #1c1d1f !important;
    margin: 0 0 12px !important;
    line-height: 1.3 !important;
}

.lpm-course-player .lpm-player-course-title a {
    color: inherit !important;
    text-decoration: none !important;
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
}

.lpm-course-player .lpm-player-course-title a:hover {
    color: #1a73e8 !important;
}

.lpm-course-player .lpm-player-progress {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.lpm-course-player .lpm-player-progress .lpm-progress-bar {
    flex: 1 !important;
    height: 6px !important;
    background: #e4e8ed !important;
    border-radius: 3px !important;
    overflow: hidden !important;
}

.lpm-course-player .lpm-player-progress .lpm-progress-fill {
    height: 100% !important;
    background: linear-gradient(90deg, #1a73e8, #5624d0) !important;
    border-radius: 3px !important;
    transition: width 0.3s ease !important;
}

.lpm-course-player .lpm-progress-text {
    font-size: 12px !important;
    font-weight: 600 !important;
    color: #6a6f73 !important;
    flex-shrink: 0 !important;
}

/* Tree Navigation Container */
.lpm-course-player .lpm-player-tree {
    flex: 1 !important;
    overflow-y: auto !important;
    padding: 0 !important;
    background: #f7f9fc !important;
}

/* Tree Section (Collapsible) */
.lpm-course-player .lpm-tree-section {
    border-bottom: 1px solid #e4e8ed !important;
    background: #fff !important;
}

.lpm-course-player .lpm-tree-section:last-child {
    border-bottom: none !important;
}

.lpm-course-player .lpm-tree-section-header {
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
    padding: 12px 16px !important;
    background: #fff !important;
    border: none !important;
    border-bottom: 1px solid #e4e8ed !important;
    cursor: pointer !important;
    text-align: left !important;
    transition: background 0.2s ease !important;
    gap: 10px !important;
    color: #1c1d1f !important;
    font-size: 17px !important;
    font-weight: 700 !important;
}

.lpm-course-player .lpm-tree-section-header:hover {
    background: #f0f4f8 !important;
}

.lpm-course-player .lpm-tree-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 20px !important;
    height: 20px !important;
    color: #1a73e8 !important;
    flex-shrink: 0 !important;
    transition: transform 0.2s ease !important;
}

.lpm-course-player .lpm-tree-section.lpm-expanded .lpm-tree-toggle {
    transform: rotate(90deg) !important;
}

.lpm-course-player .lpm-tree-section-info {
    flex: 1 !important;
    min-width: 0 !important;
}

.lpm-course-player .lpm-tree-section-title {
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #1c1d1f !important;
    margin: 0 0 2px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

.lpm-course-player .lpm-tree-section-meta,
.lpm-course-player .lpm-tree-section-count {
    font-size: 12px !important;
    color: #6a6f73 !important;
}

/* Tree Lessons List */
.lpm-course-player .lpm-tree-lessons {
    display: none !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 0 8px !important;
    background: #f7f9fc !important;
}

.lpm-course-player .lpm-tree-section.lpm-expanded .lpm-tree-lessons {
    display: block !important;
}

/* Tree Lesson Item */
.lpm-course-player .lpm-tree-lesson {
    position: relative !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Lesson Link - SLIM STYLE (not fat pills!) */
.lpm-course-player .lpm-tree-lesson-link {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 10px 16px 10px 24px !important;
    color: #6a6f73 !important;
    text-decoration: none !important;
    font-size: 16px !important;
    font-weight: 400 !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
    border: none !important;
    border-left: 3px solid transparent !important;
    border-radius: 0 !important;
    background: transparent !important;
    width: 100% !important;
    text-align: left !important;
    line-height: 1.4 !important;
}

.lpm-course-player .lpm-tree-lesson-link:hover {
    background: #fff !important;
    color: #1c1d1f !important;
}

/* Active Lesson */
.lpm-course-player .lpm-tree-lesson.lpm-active .lpm-tree-lesson-link {
    background: #e8f0fe !important;
    color: #1a73e8 !important;
    font-weight: 600 !important;
    border-left-color: #1a73e8 !important;
}

/* Completed Lesson */
.lpm-course-player .lpm-tree-lesson.lpm-completed .lpm-tree-lesson-link {
    color: #6a6f73 !important;
}

.lpm-course-player .lpm-tree-lesson.lpm-completed .lpm-lesson-status {
    color: #34d399 !important;
}

/* Status Icon Container */
.lpm-course-player .lpm-lesson-status {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 18px !important;
    height: 18px !important;
    flex-shrink: 0 !important;
    color: #9da3a7 !important;
}

.lpm-course-player .lpm-tree-lesson.lpm-completed .lpm-lesson-status {
    color: #34d399 !important;
}

.lpm-course-player .lpm-tree-lesson.lpm-active .lpm-lesson-status {
    color: #1a73e8 !important;
}

/* Locked Lesson */
.lpm-course-player .lpm-tree-lesson.lpm-locked .lpm-tree-lesson-link {
    color: #adb5bd !important;
    cursor: not-allowed !important;
}

.lpm-course-player .lpm-lesson-title {
    flex: 1 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    font-size: 16px !important;
    font-weight: 400 !important;
}

.lpm-course-player .lpm-lesson-duration {
    font-size: 12px !important;
    color: #9da3a7 !important;
    flex-shrink: 0 !important;
}

.lpm-course-player .lpm-lesson-badge {
    padding: 2px 6px !important;
    font-size: 9px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    border-radius: 3px !important;
    flex-shrink: 0 !important;
}

.lpm-course-player .lpm-lesson-badge.lpm-badge-free {
    background: #5624d0 !important;
    color: #fff !important;
}

/* Direct Lessons (No Sections) - Isolated */
.lpm-course-player .lpm-tree-direct-lessons {
    list-style: none !important;
    margin: 0 !important;
    padding: 8px 0 !important;
    background: #f7f9fc !important;
}

.lpm-course-player .lpm-tree-direct-lessons .lpm-tree-lesson-link {
    padding-left: 16px !important;
}

.lpm-course-player .lpm-tree-direct-lessons .lpm-tree-lesson.lpm-active .lpm-tree-lesson-link {
    padding-left: 13px !important;
}

/* Player Main Content - Isolated */
.lpm-course-player .lpm-player-main {
    display: flex !important;
    flex-direction: column !important;
    min-height: calc(100vh - 100px) !important;
    background: #fff !important;
    order: 1 !important;
}

/* Player Topbar - Header with lesson info and actions */
.lpm-course-player .lpm-player-topbar {
    display: flex !important;
    align-items: center !important;
    gap: 16px !important;
    padding: 12px 24px !important;
    background: #fff !important;
    border-bottom: 1px solid #e4e8ed !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
}

.lpm-course-player .lpm-toggle-sidebar {
    all: unset !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    background: #f7f9fc !important;
    border: 1px solid #e4e8ed !important;
    border-radius: 8px !important;
    color: #6a6f73 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.lpm-course-player .lpm-toggle-sidebar:hover {
    background: #e8f0fe !important;
    border-color: #1a73e8 !important;
    color: #1a73e8 !important;
}

.lpm-course-player .lpm-player-lesson-info {
    flex: 1 !important;
    min-width: 0 !important;
}

.lpm-course-player .lpm-current-section {
    display: block !important;
    font-size: 12px !important;
    color: #6a6f73 !important;
    margin-bottom: 2px !important;
}

.lpm-course-player .lpm-current-lesson-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #1c1d1f !important;
    margin: 0 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.lpm-course-player .lpm-player-actions {
    flex-shrink: 0 !important;
}

.lpm-course-player .lpm-player-content {
    flex: 1 !important;
    padding: 32px 40px !important;
    max-width: 1000px !important;
}

/* Lesson Header in Player - Isolated */
.lpm-course-player .lpm-player-lesson-header {
    margin-bottom: 24px !important;
    padding-bottom: 20px !important;
    border-bottom: 1px solid #e4e8ed !important;
}

.lpm-course-player .lpm-player-lesson-title {
    font-size: 28px !important;
    font-weight: 700 !important;
    color: #1c1d1f !important;
    margin: 0 0 12px !important;
    line-height: 1.3 !important;
}

.lpm-course-player .lpm-player-lesson-meta {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 16px !important;
    font-size: 14px !important;
    color: #6a6f73 !important;
}

.lpm-course-player .lpm-player-lesson-meta .lpm-meta-item {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

/* Content Blocks */
.lpm-content-blocks {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.lpm-content-block {
    background: #fff;
}

/* HTML Block */
.lpm-block-html {
    font-size: 16px;
    line-height: 1.8;
    color: var(--lpm-gray-700);
}

.lpm-block-html h2,
.lpm-block-html h3,
.lpm-block-html h4 {
    color: var(--lpm-gray-900);
    margin-top: 24px;
    margin-bottom: 12px;
}

.lpm-block-html h2:first-child,
.lpm-block-html h3:first-child,
.lpm-block-html h4:first-child {
    margin-top: 0;
}

.lpm-block-html p {
    margin-bottom: 16px;
}

.lpm-block-html ul,
.lpm-block-html ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.lpm-block-html li {
    margin-bottom: 8px;
}

.lpm-block-html img {
    max-width: 100%;
    height: auto;
    border-radius: var(--lpm-radius);
    margin: 16px 0;
}

.lpm-block-html pre,
.lpm-block-html code {
    background: var(--lpm-gray-100);
    border-radius: var(--lpm-radius-sm);
    font-family: 'Monaco', 'Consolas', monospace;
}

.lpm-block-html pre {
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
}

.lpm-block-html code {
    padding: 2px 6px;
    font-size: 0.9em;
}

/* Video Block */
.lpm-block-video {
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
    background: #000;
}

.lpm-block-video iframe,
.lpm-block-video video {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
}

/* Image Block */
.lpm-block-image {
    border-radius: var(--lpm-radius-lg);
    overflow: hidden;
}

.lpm-block-image img {
    width: 100%;
    height: auto;
    display: block;
}

.lpm-block-image figcaption {
    padding: 12px 16px;
    background: var(--lpm-gray-50);
    font-size: 14px;
    color: var(--lpm-gray-600);
    text-align: center;
}

/* File Block */
.lpm-block-file {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--lpm-gray-50);
    border: 1px solid var(--lpm-gray-200);
    border-radius: var(--lpm-radius-lg);
    text-decoration: none;
    transition: all var(--lpm-transition);
}

.lpm-block-file:hover {
    border-color: var(--lpm-primary);
    background: rgba(124, 58, 237, 0.03);
}

.lpm-file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--lpm-primary);
    color: #fff;
    border-radius: var(--lpm-radius);
    flex-shrink: 0;
}

.lpm-file-info {
    flex: 1;
    min-width: 0;
}

.lpm-file-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--lpm-gray-800);
    margin: 0 0 4px;
}

.lpm-file-size {
    font-size: 13px;
    color: var(--lpm-gray-500);
}

.lpm-file-download {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #fff;
    border: 1px solid var(--lpm-gray-200);
    border-radius: 50%;
    color: var(--lpm-gray-600);
    flex-shrink: 0;
    transition: all var(--lpm-transition);
}

.lpm-block-file:hover .lpm-file-download {
    background: var(--lpm-primary);
    border-color: var(--lpm-primary);
    color: #fff;
}

/* Player Navigation - Isolated with !important */
.lpm-course-player .lpm-player-navigation {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 16px 40px !important;
    background: #fff !important;
    border-top: 1px solid #e4e8ed !important;
    margin-top: auto !important;
}

/* Navigation Buttons - Slim Style (NOT fat pills) */
.lpm-course-player .lpm-player-nav-btn {
    all: unset !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 16px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    border: 1px solid #e4e8ed !important;
    border-radius: 4px !important;
    background: #fff !important;
    color: #1c1d1f !important;
    text-decoration: none !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.lpm-course-player .lpm-player-nav-btn:hover {
    border-color: #1a73e8 !important;
    color: #1a73e8 !important;
    background: #e8f0fe !important;
}

.lpm-course-player .lpm-player-nav-btn.lpm-nav-disabled {
    opacity: 0.4 !important;
    pointer-events: none !important;
    cursor: not-allowed !important;
}

/* Lesson Counter in Navigation */
.lpm-course-player .lpm-lesson-counter {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: #6a6f73 !important;
}

.lpm-course-player .lpm-lesson-counter .lpm-current-index {
    color: #1a73e8 !important;
    font-weight: 600 !important;
}

/* Mark Complete Button - Slim Violet Style */
.lpm-course-player .lpm-player-complete-btn {
    all: unset !important;
    box-sizing: border-box !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 20px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    background: #5624d0 !important;
    border: 1px solid #5624d0 !important;
    border-radius: 4px !important;
    color: #fff !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
}

.lpm-course-player .lpm-player-complete-btn:hover {
    background: #4a1fb3 !important;
    border-color: #4a1fb3 !important;
    color: #fff !important;
}

.lpm-course-player .lpm-player-complete-btn.lpm-completed {
    background: #34d399 !important;
    border-color: #34d399 !important;
    color: #fff !important;
}

.lpm-course-player .lpm-player-complete-btn.lpm-loading {
    pointer-events: none !important;
    opacity: 0.7 !important;
}

/* Loading State - Isolated */
.lpm-course-player .lpm-player-loading {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 80px 40px !important;
    text-align: center !important;
}

.lpm-course-player .lpm-player-loading .lpm-spinner {
    margin-bottom: 16px !important;
    border-color: #e4e8ed !important;
    border-top-color: #1a73e8 !important;
}

.lpm-course-player .lpm-player-loading-text {
    font-size: 14px !important;
    color: #6a6f73 !important;
}

/* Error State - Isolated */
.lpm-course-player .lpm-player-error {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 80px 40px !important;
    text-align: center !important;
}

.lpm-course-player .lpm-player-error-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 64px !important;
    height: 64px !important;
    background: #fef2f2 !important;
    color: #ef4444 !important;
    border-radius: 50% !important;
    margin-bottom: 16px !important;
}

.lpm-course-player .lpm-player-error-message {
    font-size: 16px !important;
    color: #1c1d1f !important;
    margin: 0 !important;
}

/* Select First Lesson State - Isolated */
.lpm-course-player .lpm-player-select-lesson {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 80px 40px !important;
    text-align: center !important;
}

.lpm-course-player .lpm-player-select-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 80px !important;
    height: 80px !important;
    background: #e8f0fe !important;
    color: #1a73e8 !important;
    border-radius: 50% !important;
    margin-bottom: 20px !important;
}

.lpm-course-player .lpm-player-select-text {
    font-size: 18px !important;
    font-weight: 500 !important;
    color: #6a6f73 !important;
    margin: 0 !important;
}

/* Mobile Sidebar Toggle - Isolated */
.lpm-course-player .lpm-player-sidebar-toggle {
    all: unset !important;
    display: none !important;
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 56px !important;
    height: 56px !important;
    background: #1a73e8 !important;
    color: #fff !important;
    border: none !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    z-index: 1000 !important;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3) !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
}

.lpm-course-player .lpm-player-sidebar-toggle:hover {
    background: #1557b0 !important;
    transform: scale(1.05) !important;
}

/* Player Responsive - Scoped with !important */
@media (max-width: 1024px) {
    .lpm-course-player {
        grid-template-columns: 1fr 320px !important;
    }

    .lpm-course-player .lpm-player-content {
        padding: 24px !important;
    }

    .lpm-course-player .lpm-player-navigation {
        padding: 16px 24px !important;
    }

    .lpm-course-player .lpm-player-lesson-title {
        font-size: 24px !important;
    }
}

@media (max-width: 768px) {
    .lpm-course-player {
        grid-template-columns: 1fr !important;
    }

    .lpm-course-player .lpm-player-sidebar {
        position: fixed !important;
        right: -100% !important;
        left: auto !important;
        top: 0 !important;
        width: 100% !important;
        max-width: 320px !important;
        height: 100vh !important;
        z-index: 1001 !important;
        transition: right 0.3s ease !important;
        border-left: none !important;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15) !important;
    }

    .lpm-course-player .lpm-player-sidebar.lpm-open {
        right: 0 !important;
    }

    .lpm-course-player .lpm-player-sidebar-toggle {
        display: flex !important;
    }

    .lpm-course-player .lpm-player-content {
        padding: 20px 16px !important;
    }

    .lpm-course-player .lpm-player-navigation {
        padding: 16px !important;
        flex-wrap: wrap !important;
        gap: 12px !important;
    }

    .lpm-course-player .lpm-player-nav-btn {
        flex: 1 !important;
        justify-content: center !important;
        min-width: 120px !important;
    }

    .lpm-course-player .lpm-player-complete-btn {
        width: 100% !important;
        order: -1 !important;
    }

    .lpm-course-player .lpm-player-lesson-title {
        font-size: 20px !important;
    }

    .lpm-course-player .lpm-player-lesson-meta {
        flex-direction: column !important;
        gap: 8px !important;
    }
}

/* Player Overlay for Mobile - Isolated */
.lpm-course-player .lpm-player-overlay {
    display: none !important;
    position: fixed !important;
    inset: 0 !important;
    background: rgba(0, 0, 0, 0.5) !important;
    z-index: 1000 !important;
    backdrop-filter: blur(2px) !important;
}

.lpm-course-player .lpm-player-overlay.lpm-active {
    display: block !important;
}

/* Close Sidebar Button (Mobile) - Isolated */
.lpm-course-player .lpm-player-sidebar-close {
    all: unset !important;
    display: none !important;
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    width: 32px !important;
    height: 32px !important;
    background: #e4e8ed !important;
    color: #6a6f73 !important;
    border: none !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 10 !important;
    transition: all 0.2s ease !important;
}

.lpm-course-player .lpm-player-sidebar-close:hover {
    background: #1a73e8 !important;
    color: #fff !important;
}

@media (max-width: 768px) {
    .lpm-course-player .lpm-player-sidebar-close {
        display: flex !important;
    }
}