/* ================================================
   SGC-LMS Extended Styles
   Additional styles for views and dashboard
   ================================================ */

/* Global Mobile Fix - Prevent horizontal overflow */
html,
body {
    overflow-x: hidden;
    max-width: 100vw;
}

.sgc-lms-app {
    overflow-x: hidden;
    max-width: 100%;
}

/* Hero Sections */
.sgc-lms-hero {
    background: linear-gradient(135deg, var(--lms-primary), var(--lms-secondary));
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.sgc-lms-hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.sgc-lms-hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.2;
}

.sgc-lms-hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.sgc-lms-hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.sgc-lms-btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Stats Section */
.sgc-lms-stats {
    background: var(--lms-bg);
    padding: 3rem 2rem;
    margin-top: -2rem;
    position: relative;
    z-index: 10;
}

.sgc-lms-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.sgc-lms-stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
}

.sgc-lms-stat-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.sgc-lms-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--lms-primary);
    display: block;
}

.sgc-lms-stat-label {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
}

/* Container & Sections */
.sgc-lms-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.sgc-lms-section {
    padding: 4rem 0;
}

.sgc-lms-section-alt {
    background: var(--lms-surface);
}

/* Categories Grid */
.sgc-lms-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.sgc-lms-category-card {
    background: var(--lms-bg);
    padding: 2rem;
    border-radius: var(--lms-radius);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.sgc-lms-category-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.sgc-lms-category-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
}

.sgc-lms-category-desc {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    margin: 0;
}

/* Testimonials */
.sgc-lms-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.sgc-lms-testimonial-card {
    background: var(--lms-bg);
    padding: 2rem;
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow);
}

.sgc-lms-testimonial-quote {
    font-size: 1rem;
    font-style: italic;
    margin: 0 0 1rem;
    color: var(--lms-text);
}

.sgc-lms-testimonial-author strong {
    display: block;
}

.sgc-lms-testimonial-author span {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
}

/* CTA Section */
.sgc-lms-cta {
    background: linear-gradient(135deg, var(--lms-primary), var(--lms-secondary));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.sgc-lms-cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.sgc-lms-cta-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0 0 2rem;
}

/* Catalog Hero */
.sgc-lms-catalog-hero {
    background: var(--lms-surface);
    padding: 3rem 2rem;
    text-align: center;
}

.sgc-lms-catalog-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.sgc-lms-catalog-subtitle {
    color: var(--lms-text-muted);
    margin: 0;
}

/* Course Detail */
.sgc-lms-course-hero {
    background: linear-gradient(135deg, #1d1d1f, #2c2c2e);
    color: white;
    padding: 3rem 2rem;
}

.sgc-lms-course-hero-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 3rem;
    align-items: start;
}

.sgc-lms-course-category {
    color: var(--lms-primary);
    font-size: 0.9rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}

.sgc-lms-course-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.sgc-lms-course-short-desc {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0 0 1.5rem;
}

.sgc-lms-course-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.sgc-lms-course-instructor {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sgc-lms-course-instructor img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.sgc-lms-course-instructor span {
    opacity: 0.7;
    font-size: 0.85rem;
}

.sgc-lms-course-instructor strong {
    display: block;
}

.sgc-lms-course-hero-card {
    background: var(--lms-bg);
    color: var(--lms-text);
    border-radius: var(--lms-radius);
    overflow: hidden;
    box-shadow: var(--lms-shadow-lg);
}

.sgc-lms-course-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.sgc-lms-course-card-body {
    padding: 1.5rem;
}

.sgc-lms-course-price {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.sgc-lms-course-includes {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    font-size: 0.9rem;
}

.sgc-lms-course-includes li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-course-includes li:last-child {
    border: none;
}

/* Tabs */
.sgc-lms-course-tabs-section {
    padding: 2rem 0;
}

.sgc-lms-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid var(--lms-border);
    margin-bottom: 2rem;
}

.sgc-lms-tabs button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    color: var(--lms-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.sgc-lms-tabs button.active {
    color: var(--lms-primary);
    border-bottom-color: var(--lms-primary);
}

.sgc-lms-tab-content {
    min-height: 300px;
}

/* Course Content List */
.sgc-lms-content-module {
    margin-bottom: 1.5rem;
}

.sgc-lms-module-title {
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius-sm);
    margin: 0 0 0.5rem;
}

.sgc-lms-content-chapter h4 {
    font-size: 0.95rem;
    margin: 0.5rem 0;
    padding-left: 1rem;
    color: var(--lms-text-muted);
}

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

.sgc-lms-lesson-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-lesson-icon {
    font-size: 1.2rem;
}

.sgc-lms-lesson-title {
    flex: 1;
}

.sgc-lms-lesson-preview {
    font-size: 0.75rem;
    background: var(--lms-primary);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.sgc-lms-lesson-duration {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
}

/* Dashboard Layout */
.sgc-lms-dashboard-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.sgc-lms-dashboard-sidebar {
    background: var(--lms-bg);
    border-right: 1px solid var(--lms-border);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sgc-lms-user-card {
    text-align: center;
}

.sgc-lms-user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.sgc-lms-user-role {
    background: var(--lms-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
}

.sgc-lms-dashboard-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sgc-lms-dashboard-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--lms-radius-sm);
    text-decoration: none;
    color: var(--lms-text);
    transition: background 0.2s;
}

.sgc-lms-dashboard-nav a:hover,
.sgc-lms-dashboard-nav a.active {
    background: var(--lms-surface);
}

.sgc-lms-dashboard-main {
    padding: 2rem;
    background: var(--lms-surface);
}

.sgc-lms-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

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

.sgc-lms-nav-link {
    color: var(--lms-primary) !important;
}

.sgc-lms-dashboard-section {
    margin-bottom: 2rem;
}

.sgc-lms-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sgc-lms-section-header h2 {
    margin: 0;
}

.sgc-lms-filter-bar {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sgc-lms-filter-bar select {
    min-width: 200px;
}

.sgc-lms-instructor-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--lms-primary), var(--lms-secondary, #667eea));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: 0.5rem;
}

.sgc-lms-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.sgc-lms-stat-card {
    background: var(--lms-bg);
    padding: 1.5rem;
    border-radius: var(--lms-radius);
    text-align: center;
}

/* Enrolled Course Cards */
.sgc-lms-course-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-enrolled-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--lms-bg);
    padding: 1rem;
    border-radius: var(--lms-radius);
    text-decoration: none;
    color: inherit;
}

.sgc-lms-enrolled-thumb {
    width: 120px;
    height: 68px;
    border-radius: var(--lms-radius-sm);
    object-fit: cover;
}

.sgc-lms-enrolled-info {
    flex: 1;
}

.sgc-lms-enrolled-info h3 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.sgc-lms-enrolled-info p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--lms-text-muted);
}

.sgc-lms-progress-bar-sm {
    height: 4px;
    background: var(--lms-border);
    border-radius: 2px;
    margin: 0.5rem 0;
}

.sgc-lms-progress-bar-sm .sgc-lms-progress-fill {
    height: 100%;
    background: var(--lms-primary);
    border-radius: 2px;
}

/* Classroom Layout */
.sgc-lms-classroom-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    min-height: calc(100vh - 60px);
}

.sgc-lms-classroom-main {
    background: #000;
    display: flex;
    flex-direction: column;
}

.sgc-lms-classroom-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #1d1d1f;
    color: white;
}

.sgc-lms-back-btn {
    color: white;
    text-decoration: none;
}

.sgc-lms-classroom-title {
    font-size: 1rem;
    margin: 0;
    flex: 1;
}

.sgc-lms-player-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}

.sgc-lms-lesson-info {
    padding: 1rem;
    background: #1d1d1f;
    color: white;
}

.sgc-lms-classroom-sidebar {
    background: var(--lms-bg);
    border-left: 1px solid var(--lms-border);
    display: flex;
    flex-direction: column;
}

.sgc-lms-sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-sidebar-tabs button {
    flex: 1;
    padding: 1rem 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.8rem;
}

.sgc-lms-sidebar-tabs button.active {
    background: var(--lms-surface);
}

.sgc-lms-sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

/* Modal */
.sgc-lms-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.sgc-lms-modal {
    background: var(--lms-bg);
    border-radius: var(--lms-radius);
    padding: 2rem;
    width: 90%;
    max-width: 500px;
}

.sgc-lms-modal h2 {
    margin: 0 0 1.5rem;
}

.sgc-lms-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Status badges */
.sgc-lms-status-draft {
    color: var(--lms-text-muted);
}

.sgc-lms-status-pending {
    color: var(--lms-warning);
}

.sgc-lms-status-published {
    color: var(--lms-success);
}

/* Loading & Empty states */
.sgc-lms-loading-full,
.sgc-lms-error-full {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 1rem;
}

.sgc-lms-empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--lms-text-muted);
}

/* Video Player */
.sgc-lms-video-player {
    position: relative;
    width: 100%;
    background: #000;
}

.sgc-lms-video {
    width: 100%;
    display: block;
}

.sgc-lms-video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 1rem;
}

.sgc-lms-progress-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.sgc-lms-progress-fill {
    height: 100%;
    background: var(--lms-primary);
    border-radius: 2px;
}

.sgc-lms-controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sgc-lms-controls-left,
.sgc-lms-controls-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sgc-lms-ctrl-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
}

.sgc-lms-time {
    color: white;
    font-size: 0.8rem;
}

.sgc-lms-speed-select {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 0.25rem;
    font-size: 0.8rem;
}

/* Progress Tracker */
.sgc-lms-progress-tracker {}

.sgc-lms-overall-progress {
    margin-bottom: 1.5rem;
}

.sgc-lms-progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.sgc-lms-progress-bar-bg {
    height: 8px;
    background: var(--lms-border);
    border-radius: 4px;
}

.sgc-lms-progress-bar-fill {
    height: 100%;
    background: var(--lms-success);
    border-radius: 4px;
    transition: width 0.3s;
}

.sgc-lms-modules-list {}

.sgc-lms-module {
    margin-bottom: 0.5rem;
}

.sgc-lms-module-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
}

.sgc-lms-module-toggle {
    font-size: 0.7rem;
}

.sgc-lms-lesson-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: var(--lms-radius-sm);
    font-size: 0.85rem;
}

.sgc-lms-lesson-item:hover {
    background: var(--lms-surface);
}

.sgc-lms-lesson-completed {
    color: var(--lms-success);
}

.sgc-lms-lesson-current {
    background: var(--lms-surface);
    font-weight: 600;
}

.sgc-lms-lesson-status {
    width: 16px;
}

/* Chat */
.sgc-lms-chat-widget {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.sgc-lms-chat-header {
    padding: 1rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-chat-message {
    display: flex;
    gap: 0.75rem;
}

.sgc-lms-msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.sgc-lms-msg-content {
    flex: 1;
}

.sgc-lms-msg-header {
    display: flex;
    gap: 0.5rem;
    align-items: baseline;
    margin-bottom: 0.25rem;
}

.sgc-lms-msg-author {
    font-weight: 600;
    font-size: 0.85rem;
}

.sgc-lms-msg-time {
    font-size: 0.75rem;
    color: var(--lms-text-muted);
}

.sgc-lms-msg-text {
    margin: 0;
    font-size: 0.9rem;
}

.sgc-lms-chat-input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-chat-input input {
    flex: 1;
}

/* Auth */
.sgc-lms-auth-page {
    min-height: 100vh;
    background: var(--lms-surface);
}

/* Mobile Menu - Hidden on desktop */
.sgc-lms-mobile-menu-btn {
    display: none;
}

.sgc-lms-sidebar-overlay {
    display: none;
}

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

    .sgc-lms-dashboard-layout {
        grid-template-columns: 1fr;
    }

    /* Mobile Hamburger Button */
    .sgc-lms-mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: var(--lms-primary);
        color: white;
        border: none;
        border-radius: var(--lms-radius);
        font-size: 1.5rem;
        cursor: pointer;
        position: fixed;
        bottom: 20px;
        left: 20px;
        z-index: 999;
        box-shadow: var(--lms-shadow-lg);
        transition: transform 0.2s, background 0.2s;
    }

    .sgc-lms-mobile-menu-btn:hover {
        background: var(--lms-primary-dark, #4f46e5);
        transform: scale(1.05);
    }

    /* Mobile Sidebar */
    .sgc-lms-dashboard-sidebar {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        z-index: 1001;
        transition: left 0.3s ease;
        background: var(--lms-surface);
        box-shadow: var(--lms-shadow-lg);
        overflow-y: auto;
        padding-top: 1rem;
    }

    .sgc-lms-dashboard-sidebar.open {
        left: 0;
    }

    /* Overlay */
    .sgc-lms-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    .sgc-lms-sidebar-overlay.visible {
        display: block;
    }

    .sgc-lms-classroom-layout {
        grid-template-columns: 1fr;
    }

    .sgc-lms-classroom-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .sgc-lms-hero-title {
        font-size: 2rem;
    }

    .sgc-lms-hero-actions {
        flex-direction: column;
    }
}

/* Admin Dashboard Styles */
.sgc-lms-admin-sidebar {
    background: #1d1d1f;
}

.sgc-lms-admin-sidebar .sgc-lms-dashboard-nav a {
    color: rgba(255, 255, 255, 0.8);
}

.sgc-lms-admin-sidebar .sgc-lms-dashboard-nav a:hover,
.sgc-lms-admin-sidebar .sgc-lms-dashboard-nav a.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.sgc-lms-admin-badge {
    background: #FF3B30 !important;
}

.sgc-lms-badge-count {
    background: #FF3B30;
    color: white;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    font-size: 0.7rem;
    margin-left: auto;
}

.sgc-lms-admin-table-wrapper {
    overflow-x: auto;
}

.sgc-lms-admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--lms-bg);
    border-radius: var(--lms-radius);
    overflow: hidden;
}

.sgc-lms-admin-table th,
.sgc-lms-admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-admin-table th {
    background: var(--lms-surface);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sgc-lms-admin-table tr:hover {
    background: var(--lms-surface);
}

.sgc-lms-role-admin {
    color: #FF3B30;
    font-weight: 600;
}

.sgc-lms-role-instructor {
    color: #5856D6;
    font-weight: 600;
}

.sgc-lms-role-student {
    color: #34C759;
}

.sgc-lms-status-active {
    color: #34C759;
}

.sgc-lms-status-banned {
    color: #FF3B30;
}

.sgc-lms-btn-danger {
    background: #FF3B30;
    color: white;
    border: none;
    cursor: pointer;
}

.sgc-lms-btn-danger:hover {
    background: #E0352B;
}

.sgc-lms-pending-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-pending-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--lms-bg);
    padding: 1rem;
    border-radius: var(--lms-radius);
}

.sgc-lms-pending-thumb {
    width: 100px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--lms-radius-sm);
}

.sgc-lms-pending-info {
    flex: 1;
}

.sgc-lms-pending-info h3 {
    margin: 0 0 0.25rem;
    font-size: 1rem;
}

.sgc-lms-pending-info p {
    margin: 0;
    color: var(--lms-text-muted);
    font-size: 0.85rem;
}

.sgc-lms-pending-actions {
    display: flex;
    gap: 0.5rem;
}

.sgc-lms-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.sgc-lms-setting-card {
    background: var(--lms-bg);
    padding: 1.5rem;
    border-radius: var(--lms-radius);
}

.sgc-lms-setting-card h4 {
    margin: 0 0 1rem;
    font-size: 0.95rem;
}

.sgc-lms-setting-card label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

/* LMS Header */
.sgc-lms-header {
    background: var(--lms-bg);
    border-bottom: 1px solid var(--lms-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.sgc-lms-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.sgc-lms-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--lms-text);
    font-weight: 700;
    font-size: 1.1rem;
}

.sgc-lms-logo-icon {
    font-size: 1.5rem;
}

.sgc-lms-nav {
    display: flex;
    gap: 1.5rem;
    flex: 1;
}

.sgc-lms-nav a {
    text-decoration: none;
    color: var(--lms-text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.sgc-lms-nav a:hover,
.sgc-lms-nav a.active {
    color: var(--lms-primary);
}

.sgc-lms-header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sgc-lms-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.sgc-lms-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* LMS Footer */
.sgc-lms-footer {
    background: var(--lms-surface);
    border-top: 1px solid var(--lms-border);
    padding: 2rem 0;
    margin-top: auto;
}

.sgc-lms-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.sgc-lms-footer p {
    margin: 0;
    color: var(--lms-text-muted);
    font-size: 0.9rem;
}

.sgc-lms-footer-links {
    display: flex;
    gap: 1.5rem;
}

.sgc-lms-footer-links a {
    color: var(--lms-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.sgc-lms-footer-links a:hover {
    color: var(--lms-primary);
}

/* LMS App Layout */
.sgc-lms-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--lms-bg);
    color: var(--lms-text);
}

.sgc-lms-main {
    flex: 1;
}

/* Mobile Header */
@media (max-width: 768px) {
    .sgc-lms-header-container {
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }

    .sgc-lms-logo-text {
        font-size: 0.9rem;
    }

    .sgc-lms-nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--lms-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--lms-border);
        display: none;
        z-index: 999;
        box-shadow: var(--lms-shadow);
    }

    .sgc-lms-nav-open {
        display: flex;
    }

    .sgc-lms-menu-toggle {
        display: block;
        order: 3;
    }

    .sgc-lms-header-actions {
        display: none;
    }

    .sgc-lms-hero {
        padding: 3rem 1rem;
    }

    .sgc-lms-hero-title {
        font-size: 1.75rem;
    }

    .sgc-lms-hero-subtitle {
        font-size: 1rem;
    }

    .sgc-lms-hero-actions {
        flex-direction: column;
        align-items: center;
    }

    /* Dashboard Mobile */
    .sgc-lms-dashboard-layout {
        grid-template-columns: 1fr;
    }

    .sgc-lms-dashboard-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s;
        background: var(--lms-surface);
        box-shadow: var(--lms-shadow-lg);
    }

    .sgc-lms-dashboard-sidebar.open {
        left: 0;
    }

    .sgc-lms-dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .sgc-lms-stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ================================================
   Course Editor Styles
   ================================================ */

.sgc-lms-course-editor {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.sgc-lms-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.sgc-lms-editor-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sgc-lms-editor-title h1 {
    margin: 0;
    font-size: 1.75rem;
}

.sgc-lms-back-link {
    color: var(--lms-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

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

.sgc-lms-status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sgc-lms-status-badge.sgc-lms-status-draft {
    background: var(--lms-border);
    color: var(--lms-text-muted);
}

.sgc-lms-status-badge.sgc-lms-status-pending {
    background: #fff3cd;
    color: #856404;
}

.sgc-lms-status-badge.sgc-lms-status-published {
    background: #d4edda;
    color: #155724;
}

.sgc-lms-editor-actions {
    display: flex;
    gap: 0.75rem;
}

.sgc-lms-success-toast {
    background: var(--lms-success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--lms-radius);
    margin-bottom: 1.5rem;
    text-align: center;
}

.sgc-lms-editor-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--lms-border);
    margin-bottom: 2rem;
}

.sgc-lms-editor-tabs button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    color: var(--lms-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.sgc-lms-editor-tabs button.active {
    color: var(--lms-primary);
    border-bottom-color: var(--lms-primary);
}

.sgc-lms-editor-section {
    background: var(--lms-bg);
    padding: 2rem;
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow);
}

.sgc-lms-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.sgc-lms-full-width {
    grid-column: 1 / -1;
}

.sgc-lms-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    background: var(--lms-surface);
    color: var(--lms-text);
}

.sgc-lms-hint {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    margin-bottom: 1.5rem;
}

/* Content Editor */
.sgc-lms-content-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--lms-text-muted);
}

.sgc-lms-modules-editor {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sgc-lms-module-block {
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
    padding: 1.5rem;
    border: 1px solid var(--lms-border);
}

.sgc-lms-module-header-edit {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.sgc-lms-module-number {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--lms-text-muted);
    letter-spacing: 1px;
}

.sgc-lms-module-header-edit h3 {
    flex: 1;
    margin: 0;
    font-size: 1.1rem;
}

.sgc-lms-btn-danger-sm {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.sgc-lms-btn-danger-sm:hover {
    opacity: 1;
}

.sgc-lms-chapters-list {
    padding-left: 1rem;
    border-left: 2px solid var(--lms-border);
}

.sgc-lms-chapter-block {
    margin-bottom: 1rem;
}

.sgc-lms-chapter-header-edit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.sgc-lms-chapter-header-edit h4 {
    flex: 1;
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
}

.sgc-lms-lessons-list-edit {
    padding-left: 1rem;
}

.sgc-lms-lesson-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-lesson-row:last-of-type {
    border: none;
}

.sgc-lms-lesson-type-icon {
    font-size: 1rem;
}

.sgc-lms-lesson-row .sgc-lms-lesson-title {
    flex: 1;
    font-size: 0.9rem;
}

.sgc-lms-lesson-row .sgc-lms-lesson-duration {
    font-size: 0.8rem;
    color: var(--lms-text-muted);
}

.sgc-lms-btn-sm {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.9rem;
}

.sgc-lms-btn-primary-sm {
    background: var(--lms-primary);
    color: white;
    border: none;
    padding: 0.4rem 0.75rem;
    border-radius: var(--lms-radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
}

.sgc-lms-input-sm {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius-sm);
    font-size: 0.9rem;
    flex: 1;
    background: var(--lms-bg);
    color: var(--lms-text);
}

.sgc-lms-add-inline {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.sgc-lms-add-btn {
    background: none;
    border: 1px dashed var(--lms-border);
    padding: 0.5rem 1rem;
    border-radius: var(--lms-radius-sm);
    color: var(--lms-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    width: 100%;
    text-align: left;
    transition: all 0.2s;
}

.sgc-lms-add-btn:hover {
    border-color: var(--lms-primary);
    color: var(--lms-primary);
}

.sgc-lms-add-module-form {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.sgc-lms-add-module-form .sgc-lms-input {
    flex: 1;
}

.sgc-lms-modal-lg {
    max-width: 600px;
}

/* Error Page */
.sgc-lms-error-page {
    text-align: center;
    padding: 4rem 2rem;
}

.sgc-lms-error-page h2 {
    color: var(--lms-danger);
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .sgc-lms-form-grid {
        grid-template-columns: 1fr;
    }

    .sgc-lms-editor-header {
        flex-direction: column;
    }

    .sgc-lms-add-module-form {
        flex-direction: column;
    }
}

/* ================================================
   Tables & Students List
   ================================================ */

.sgc-lms-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--lms-bg);
    border-radius: var(--lms-radius);
    overflow: hidden;
}

.sgc-lms-table th,
.sgc-lms-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-table th {
    background: var(--lms-surface);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--lms-text-muted);
}

.sgc-lms-table tr:hover {
    background: var(--lms-surface);
}

.sgc-lms-student-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sgc-lms-student-cell small {
    display: block;
    color: var(--lms-text-muted);
    font-size: 0.8rem;
}

.sgc-lms-avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.sgc-lms-progress-inline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sgc-lms-progress-inline .sgc-lms-progress-bar-sm {
    flex: 1;
    max-width: 100px;
}

.sgc-lms-progress-inline span {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    min-width: 36px;
}

.sgc-lms-students-table {
    overflow-x: auto;
}

@media (max-width: 768px) {

    .sgc-lms-table th:nth-child(2),
    .sgc-lms-table td:nth-child(2),
    .sgc-lms-table th:nth-child(3),
    .sgc-lms-table td:nth-child(3) {
        display: none;
    }
}

/* ================================================
   Sessions & Certificates
   ================================================ */

.sgc-lms-sessions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-session-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    background: var(--lms-bg);
    padding: 1.5rem;
    border-radius: var(--lms-radius);
    border: 1px solid var(--lms-border);
}

.sgc-lms-session-info h3 {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.sgc-lms-session-type {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sgc-lms-session-meta {
    font-size: 0.9rem;
    color: var(--lms-text-muted);
    margin: 0;
}

.sgc-lms-course-name {
    font-size: 0.85rem;
    color: var(--lms-primary);
    margin: 0.5rem 0 0;
}

.sgc-lms-certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.sgc-lms-certificate-card {
    background: var(--lms-bg);
    padding: 2rem;
    border-radius: var(--lms-radius);
    text-align: center;
    border: 1px solid var(--lms-border);
}

.sgc-lms-certificate-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sgc-lms-certificate-card h3 {
    margin: 0 0 0.5rem;
}

.sgc-lms-certificate-card p {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    margin: 0 0 1rem;
}

/* Settings Form */
.sgc-lms-settings-form {
    max-width: 600px;
}

.sgc-lms-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.sgc-lms-settings-form small {
    display: block;
    font-size: 0.8rem;
    color: var(--lms-text-muted);
    margin-top: 0.25rem;
}

.sgc-lms-form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .sgc-lms-form-row {
        grid-template-columns: 1fr;
    }

    .sgc-lms-session-card {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ================================================
   Forum Styles
   ================================================ */

.sgc-lms-forum-header {
    background: linear-gradient(135deg, var(--lms-primary), var(--lms-secondary));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.sgc-lms-forum-header h1 {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
}

.sgc-lms-forum-header p {
    opacity: 0.9;
    margin: 0;
}

.sgc-lms-forum-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.sgc-lms-forum-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

.sgc-lms-forum-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sgc-lms-forum-categories {
    display: flex;
    flex-direction: column;
}

.sgc-lms-forum-categories h4 {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--lms-text-muted);
}

.sgc-lms-forum-categories a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--lms-text);
    text-decoration: none;
    border-radius: var(--lms-radius-sm);
    transition: background 0.2s;
}

.sgc-lms-forum-categories a:hover,
.sgc-lms-forum-categories a.active {
    background: var(--lms-surface);
}

.sgc-lms-cat-count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--lms-text-muted);
}

.sgc-lms-threads-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sgc-lms-thread-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--lms-bg);
    padding: 1.25rem;
    border-radius: var(--lms-radius);
    border: 1px solid var(--lms-border);
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sgc-lms-thread-card:hover {
    border-color: var(--lms-primary);
    box-shadow: var(--lms-shadow);
}

.sgc-lms-thread-info {
    flex: 1;
}

.sgc-lms-thread-info h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

.sgc-lms-pin {
    margin-right: 0.25rem;
}

.sgc-lms-thread-excerpt {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    color: var(--lms-text-muted);
    line-height: 1.4;
}

.sgc-lms-thread-meta-sm {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--lms-text-muted);
}

.sgc-lms-dot {
    opacity: 0.5;
}

.sgc-lms-thread-tag {
    background: var(--lms-surface);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.sgc-lms-thread-stats {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    min-width: 60px;
    text-align: right;
}

/* Thread Detail */
.sgc-lms-thread-detail {
    background: var(--lms-bg);
    border-radius: var(--lms-radius);
    padding: 2rem;
}

.sgc-lms-thread-header h1 {
    margin: 0 0 1rem;
    font-size: 1.75rem;
}

.sgc-lms-thread-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--lms-text-muted);
    margin-bottom: 2rem;
}

.sgc-lms-thread-content {
    font-size: 1.05rem;
    line-height: 1.7;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--lms-border);
    margin-bottom: 2rem;
}

.sgc-lms-replies h3 {
    margin: 0 0 1.5rem;
}

.sgc-lms-reply {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-reply-content {
    flex: 1;
}

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

.sgc-lms-reply-header span {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
}

.sgc-lms-reply-content p {
    margin: 0 0 0.75rem;
    line-height: 1.5;
}

.sgc-lms-reply-actions {
    display: flex;
    gap: 1rem;
}

.sgc-lms-like-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    transition: color 0.2s;
}

.sgc-lms-like-btn:hover {
    color: var(--lms-danger);
}

.sgc-lms-reply-form {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-login-prompt {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
    text-align: center;
}

.sgc-lms-login-prompt a {
    color: var(--lms-primary);
}

/* Payment status */
.sgc-lms-payment-status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.sgc-lms-payment-status.status-completed {
    background: #d4edda;
    color: #155724;
}

.sgc-lms-payment-status.status-pending {
    background: #fff3cd;
    color: #856404;
}

.sgc-lms-payment-status.status-failed {
    background: #f8d7da;
    color: #721c24;
}

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

    .sgc-lms-forum-sidebar {
        order: 1;
    }

    .sgc-lms-forum-main {
        order: 0;
    }

    .sgc-lms-thread-card {
        flex-direction: column;
    }

    .sgc-lms-thread-stats {
        flex-direction: row;
        gap: 1rem;
    }
}

/* ================================================
   Live Room Styles
   ================================================ */

.sgc-lms-live-room {
    min-height: 100vh;
    background: #1a1a1a;
}

.sgc-lms-live-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    min-height: calc(100vh - 60px);
}

.sgc-lms-live-main {
    display: flex;
    flex-direction: column;
    background: #000;
}

.sgc-lms-live-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #1d1d1f;
    color: white;
}

.sgc-lms-live-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sgc-lms-live-title h1 {
    margin: 0;
    font-size: 1.1rem;
}

.sgc-lms-live-badge {
    background: #dc3545;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.sgc-lms-scheduled-badge {
    background: #ffc107;
    color: #000;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.sgc-lms-ended-badge {
    background: #6c757d;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.sgc-lms-live-controls {
    display: flex;
    gap: 0.5rem;
}

.sgc-lms-btn-success {
    background: #28a745;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--lms-radius-sm);
    cursor: pointer;
}

.sgc-lms-btn-danger {
    background: #dc3545;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--lms-radius-sm);
    cursor: pointer;
}

.sgc-lms-jitsi-container {
    flex: 1;
    min-height: 500px;
}

.sgc-lms-jitsi-container iframe {
    border: none;
}

.sgc-lms-waiting-room {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.sgc-lms-waiting-content {
    text-align: center;
    color: white;
    max-width: 500px;
    padding: 3rem;
}

.sgc-lms-waiting-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.sgc-lms-waiting-content h2 {
    margin: 0 0 1rem;
    font-size: 1.75rem;
}

.sgc-lms-waiting-content p {
    margin: 0 0 1rem;
    opacity: 0.9;
}

.sgc-lms-session-description {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.sgc-lms-live-sidebar {
    background: var(--lms-bg);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--lms-border);
}

.sgc-lms-participants-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sgc-lms-participant {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--lms-radius-sm);
}

.sgc-lms-participant-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--lms-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.sgc-lms-empty-text {
    font-size: 0.9rem;
    color: var(--lms-text-muted);
    text-align: center;
    padding: 2rem 1rem;
}

.sgc-lms-live-chat {
    height: 100%;
}

.sgc-lms-chat-info {
    font-size: 0.9rem;
    color: var(--lms-text-muted);
    text-align: center;
    padding: 2rem 1rem;
}

.sgc-lms-session-info h4 {
    margin: 0 0 0.5rem;
}

.sgc-lms-info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--lms-border);
    font-size: 0.9rem;
}

.sgc-lms-info-item span {
    color: var(--lms-text-muted);
}

.sgc-lms-info-desc {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-info-desc p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--lms-text-muted);
}

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

    .sgc-lms-live-sidebar {
        border-left: none;
        border-top: 1px solid var(--lms-border);
        max-height: 300px;
    }
}

/* ================================================
   Settings Grid
   ================================================ */

.sgc-lms-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.sgc-lms-setting-card {
    background: var(--lms-bg);
    padding: 1.5rem;
    border-radius: var(--lms-radius);
    border: 1px solid var(--lms-border);
}

.sgc-lms-setting-card h4 {
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--lms-border);
    font-size: 0.95rem;
    color: var(--lms-primary);
}

.sgc-lms-setting-card label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.sgc-lms-setting-card input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

@media (max-width: 768px) {
    .sgc-lms-settings-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   My Drive Styles
   ================================================ */

.sgc-lms-drive-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.sgc-lms-drive-header h2 {
    margin: 0;
}

.sgc-lms-drive-actions {
    display: flex;
    gap: 0.75rem;
}

.sgc-lms-drive-actions label {
    cursor: pointer;
}

.sgc-lms-storage-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
}

.sgc-lms-storage-progress {
    flex: 1;
    height: 8px;
    background: var(--lms-border);
    border-radius: 4px;
    overflow: hidden;
}

.sgc-lms-storage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lms-primary), var(--lms-secondary));
    border-radius: 4px;
    transition: width 0.3s;
}

.sgc-lms-storage-bar span {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    white-space: nowrap;
}

.sgc-lms-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.sgc-lms-breadcrumb a {
    color: var(--lms-primary);
    text-decoration: none;
}

.sgc-lms-breadcrumb button {
    margin-left: auto;
}

.sgc-lms-files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.sgc-lms-file-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    background: var(--lms-bg);
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius);
    text-align: center;
    position: relative;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sgc-lms-file-card:hover {
    border-color: var(--lms-primary);
    box-shadow: var(--lms-shadow);
}

.sgc-lms-file-card.sgc-lms-folder {
    cursor: pointer;
    background: var(--lms-surface);
}

.sgc-lms-file-icon {
    font-size: 2.5rem;
}

.sgc-lms-file-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sgc-lms-file-info strong {
    font-size: 0.85rem;
    word-break: break-all;
}

.sgc-lms-file-info small {
    font-size: 0.75rem;
    color: var(--lms-text-muted);
}

.sgc-lms-file-delete {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

.sgc-lms-file-card:hover .sgc-lms-file-delete {
    opacity: 1;
}

@media (max-width: 768px) {
    .sgc-lms-drive-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .sgc-lms-files-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

/* ================================================
   Chat Panel Styles
   ================================================ */

.sgc-lms-chat-panel {
    display: grid;
    grid-template-columns: 250px 1fr;
    height: 500px;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius);
    overflow: hidden;
    background: var(--lms-bg);
}

.sgc-lms-chat-panel.sgc-lms-chat-embedded {
    height: 400px;
    border: none;
}

.sgc-lms-chat-spaces {
    background: var(--lms-surface);
    border-right: 1px solid var(--lms-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sgc-lms-chat-spaces h4 {
    margin: 0;
    padding: 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-spaces-list {
    overflow-y: auto;
    flex: 1;
}

.sgc-lms-space-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--lms-border);
    transition: background 0.2s;
}

.sgc-lms-space-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.sgc-lms-space-item.active {
    background: var(--lms-primary);
    color: white;
}

.sgc-lms-space-icon {
    font-size: 1.25rem;
}

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

.sgc-lms-space-info strong {
    display: block;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sgc-lms-space-info small {
    font-size: 0.75rem;
    opacity: 0.7;
}

.sgc-lms-unread-badge {
    background: var(--lms-danger, #dc3545);
    color: white;
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    font-weight: bold;
}

.sgc-lms-chat-main {
    display: flex;
    flex-direction: column;
}

.sgc-lms-chat-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-chat-header h3 {
    margin: 0;
    font-size: 1rem;
}

.sgc-lms-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sgc-lms-message {
    display: flex;
    gap: 0.75rem;
    max-width: 80%;
}

.sgc-lms-message.sgc-lms-own-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.sgc-lms-msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.sgc-lms-msg-content {
    background: var(--lms-surface);
    padding: 0.5rem 0.75rem;
    border-radius: var(--lms-radius-sm);
}

.sgc-lms-own-message .sgc-lms-msg-content {
    background: var(--lms-primary);
    color: white;
}

.sgc-lms-msg-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
}

.sgc-lms-msg-header strong {
    font-size: 0.8rem;
}

.sgc-lms-msg-header span {
    opacity: 0.6;
    font-size: 0.7rem;
}

.sgc-lms-msg-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.sgc-lms-chat-input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-chat-input input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius-sm);
    font-size: 0.9rem;
}

.sgc-lms-chat-input button {
    padding: 0.5rem 1rem;
    background: var(--lms-primary);
    color: white;
    border: none;
    border-radius: var(--lms-radius-sm);
    cursor: pointer;
    font-size: 1rem;
}

.sgc-lms-chat-input button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .sgc-lms-chat-panel {
        grid-template-columns: 1fr;
        height: 100%;
    }

    .sgc-lms-chat-spaces {
        display: none;
    }
}

/* ================================================
   Additional UI Components
   ================================================ */

/* Logout Button */
.sgc-lms-btn-logout {
    background: transparent;
    border: 1px solid var(--lms-danger, #dc3545);
    color: var(--lms-danger, #dc3545);
    padding: 0.4rem 0.75rem;
    border-radius: var(--lms-radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.sgc-lms-btn-logout:hover {
    background: var(--lms-danger, #dc3545);
    color: white;
}

/* Role Selector */
.sgc-lms-role-select {
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius-sm);
    background: var(--lms-bg);
    color: var(--lms-text);
    font-size: 0.85rem;
    cursor: pointer;
}

.sgc-lms-role-select:focus {
    outline: none;
    border-color: var(--lms-primary);
}

/* Button variants */
.sgc-lms-btn-success {
    background: var(--lms-success, #28a745);
    color: white;
    border: none;
}

.sgc-lms-btn-danger {
    background: var(--lms-danger, #dc3545);
    color: white;
    border: none;
}

/* Status badges */
.sgc-lms-status-active {
    color: var(--lms-success, #28a745);
}

.sgc-lms-status-banned {
    color: var(--lms-danger, #dc3545);
    font-weight: 600;
}

/* ================================================
   INSTRUCTOR STUDIO - Compact Course Cards
   ================================================ */

.sgc-lms-instructor-courses {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.sgc-lms-instructor-course-card {
    display: flex;
    flex-direction: column;
    background: var(--lms-surface);
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius);
    overflow: hidden;
    transition: all 0.2s;
}

.sgc-lms-instructor-course-card:hover {
    border-color: var(--lms-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sgc-lms-course-thumb-sm {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.sgc-lms-instructor-course-card .sgc-lms-course-info {
    padding: 0.75rem;
    flex: 1;
}

.sgc-lms-instructor-course-card .sgc-lms-course-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sgc-lms-course-meta-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--lms-text-muted);
}

.sgc-lms-course-meta-row span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Status pills */
.sgc-lms-status-published {
    background: rgba(40, 167, 69, 0.15);
    color: #28a745;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sgc-lms-status-draft {
    background: rgba(255, 193, 7, 0.15);
    color: #e5a100;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sgc-lms-course-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-course-actions .sgc-lms-btn-secondary {
    flex: 1;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .sgc-lms-instructor-courses {
        grid-template-columns: 1fr;
    }
}

/* ================================================
   SESSIONS MANAGEMENT
   ================================================ */

.sgc-lms-sessions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.sgc-lms-sessions-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.sgc-lms-session-form {
    background: var(--lms-surface);
    border: 1px solid var(--lms-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sgc-lms-session-form h4 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--lms-primary);
}

.sgc-lms-form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-sessions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sgc-lms-session-card {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: var(--lms-surface);
    border: 1px solid var(--lms-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: box-shadow 0.2s;
}

.sgc-lms-session-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sgc-lms-session-info {
    flex: 1;
}

.sgc-lms-session-info h4 {
    margin: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.sgc-lms-session-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sgc-lms-session-status.status-scheduled {
    background: #e3f2fd;
    color: #1976d2;
}

.sgc-lms-session-status.status-ready {
    background: #fff3e0;
    color: #f57c00;
}

.sgc-lms-session-status.status-live {
    background: #ffebee;
    color: #d32f2f;
    animation: pulse-live 2s infinite;
}

.sgc-lms-session-status.status-ended {
    background: #e8f5e9;
    color: #388e3c;
}

.sgc-lms-session-status.status-cancelled {
    background: #fafafa;
    color: #9e9e9e;
}

@keyframes pulse-live {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.sgc-lms-session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    margin-top: 0.5rem;
}

.sgc-lms-session-desc {
    margin: 0.5rem 0 0;
    font-size: 0.9rem;
    color: var(--lms-text-muted);
}

.sgc-lms-session-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sgc-lms-loading-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    justify-content: center;
    color: var(--lms-text-muted);
}

.sgc-lms-spinner-sm {
    width: 16px;
    height: 16px;
    border: 2px solid var(--lms-border);
    border-top-color: var(--lms-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.sgc-lms-empty-state {
    text-align: center;
    padding: 3rem;
    background: var(--lms-surface);
    border: 2px dashed var(--lms-border);
    border-radius: 12px;
}

.sgc-lms-empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sgc-lms-empty-state h4 {
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.sgc-lms-empty-state p {
    margin: 0;
    color: var(--lms-text-muted);
}

.sgc-lms-btn-success {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #4caf50;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.sgc-lms-btn-success:hover {
    background: #43a047;
}

/* Sessions responsive */
@media (max-width: 768px) {
    .sgc-lms-sessions-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .sgc-lms-session-card {
        flex-direction: column;
        gap: 1rem;
    }

    .sgc-lms-session-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .sgc-lms-session-meta {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* ================================================
   COURSE DETAIL - SESSIONS TAB
   ================================================ */

.sgc-lms-tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    background: var(--lms-primary);
    color: white;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: 6px;
}

.sgc-lms-sessions-grid {
    display: grid;
    gap: 1rem;
}

.sgc-lms-session-card-detail {
    display: flex;
    background: var(--lms-surface);
    border: 1px solid var(--lms-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.sgc-lms-session-card-detail:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.sgc-lms-session-status-bar {
    width: 4px;
    flex-shrink: 0;
}

.sgc-lms-session-status-bar.status-scheduled {
    background: #1976d2;
}

.sgc-lms-session-status-bar.status-live {
    background: #d32f2f;
    animation: pulse-bar 1s infinite;
}

.sgc-lms-session-status-bar.status-ready {
    background: #f57c00;
}

@keyframes pulse-bar {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.sgc-lms-session-content {
    flex: 1;
    padding: 1.25rem;
}

.sgc-lms-session-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.sgc-lms-session-badge.status-scheduled {
    background: #e3f2fd;
    color: #1976d2;
}

.sgc-lms-session-badge.status-live {
    background: #ffebee;
    color: #d32f2f;
}

.sgc-lms-session-badge.status-ready {
    background: #fff3e0;
    color: #f57c00;
}

.sgc-lms-session-content h4 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.sgc-lms-session-date,
.sgc-lms-session-duration {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: var(--lms-text-muted);
}

.sgc-lms-session-action {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-left: 1px solid var(--lms-border);
}

.sgc-lms-session-info-text {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    text-align: center;
    max-width: 150px;
}

.sgc-lms-empty-state-sm {
    text-align: center;
    padding: 2rem;
}

.sgc-lms-empty-state-sm .sgc-lms-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.sgc-lms-empty-state-sm h4 {
    margin: 0 0 0.25rem;
    font-weight: 600;
}

.sgc-lms-empty-state-sm p {
    margin: 0;
    color: var(--lms-text-muted);
    font-size: 0.9rem;
}

.sgc-lms-btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.sgc-lms-btn-warning-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.sgc-lms-btn-warning-sm:hover {
    background: #f57c00;
}

/* ================================================
   SESSIONS WIDGET
   ================================================ */

.sgc-lms-sessions-widget {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.sgc-lms-widget-header h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.sgc-lms-sessions-widget-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sgc-lms-session-widget-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

.sgc-lms-session-widget-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.sgc-lms-session-widget-info strong {
    font-size: 0.95rem;
}

.sgc-lms-session-widget-info small {
    font-size: 0.8rem;
    opacity: 0.85;
}

.sgc-lms-session-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.sgc-lms-session-status.status-live {
    color: #ff5252;
}

.sgc-lms-btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* ================================================
   INTEGRATIONS TAB
   ================================================ */

.sgc-lms-section-desc {
    color: var(--lms-text-muted);
    margin-bottom: 1.5rem;
}

.sgc-lms-integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.sgc-lms-integration-card {
    background: var(--lms-surface);
    border: 1px solid var(--lms-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: all 0.2s;
}

.sgc-lms-integration-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.sgc-lms-integration-card.active {
    border-color: #34c759;
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.05) 0%, rgba(52, 199, 89, 0.02) 100%);
}

.sgc-lms-integration-card.configured {
    border-color: #007AFF;
}

.sgc-lms-integration-header {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.sgc-lms-integration-icon {
    font-size: 2rem;
}

.sgc-lms-integration-header h3 {
    margin: 0 0 0.25rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.sgc-lms-badge-success {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: #34c759;
    color: white;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.sgc-lms-badge-neutral {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    background: #e5e7eb;
    color: #6b7280;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.sgc-lms-integration-card>p {
    color: var(--lms-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.sgc-lms-integration-form {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--lms-border);
}

.sgc-lms-integration-form .sgc-lms-form-group {
    margin-bottom: 0.75rem;
}

.sgc-lms-integration-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.sgc-lms-alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.sgc-lms-alert.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #34c759;
}

.sgc-lms-alert.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* ================================================
   PLATFORM BADGES (Admin Dashboard)
   ================================================ */

.sgc-lms-platform-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.sgc-lms-platform-badge.platform-zoom {
    background: #e7f3ff;
    color: #0b5cff;
}

.sgc-lms-platform-badge.platform-meet {
    background: #e8f5e9;
    color: #1e8e3e;
}

.sgc-lms-platform-badge.platform-teams {
    background: #f3e5f5;
    color: #6200ea;
}

.sgc-lms-platform-badge.platform-custom {
    background: #fff3e0;
    color: #f57c00;
}

/* ================================================
   LIVE ROOM - EXTERNAL MEETING
   ================================================ */

.sgc-lms-external-meeting {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.sgc-lms-external-content {
    text-align: center;
    color: white;
    padding: 3rem;
}

.sgc-lms-platform-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.sgc-lms-external-content h2 {
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
    font-weight: 600;
}

.sgc-lms-external-content>p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

.sgc-lms-btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 12px;
}

.sgc-lms-meeting-url {
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    word-break: break-all;
}

/* ================================================
   NOTIFICATION BELL
   ================================================ */

.sgc-lms-notif-container {
    position: relative;
}

.sgc-lms-notif-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    position: relative;
    transition: background 0.2s;
}

.sgc-lms-notif-btn:hover,
.sgc-lms-notif-btn.active {
    background: rgba(0, 0, 0, 0.05);
}

.sgc-lms-notif-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: #ef4444;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.35rem;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

.sgc-lms-notif-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 320px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    overflow: hidden;
    margin-top: 0.5rem;
}

.sgc-lms-notif-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.sgc-lms-notif-header h4 {
    margin: 0;
    font-size: 1rem;
}

.sgc-lms-notif-mark-all {
    background: none;
    border: none;
    color: #007AFF;
    font-size: 0.8rem;
    cursor: pointer;
}

.sgc-lms-notif-loading,
.sgc-lms-notif-empty {
    padding: 2rem;
    text-align: center;
    color: #9ca3af;
}

.sgc-lms-notif-list {
    max-height: 350px;
    overflow-y: auto;
}

.sgc-lms-notif-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background 0.2s;
    border-left: 3px solid transparent;
}

.sgc-lms-notif-item:hover {
    background: #f9fafb;
}

.sgc-lms-notif-item.unread {
    background: #eff6ff;
    border-left-color: #007AFF;
}

.sgc-lms-notif-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sgc-lms-notif-content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    overflow: hidden;
}

.sgc-lms-notif-content strong {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sgc-lms-notif-content small {
    color: #9ca3af;
    font-size: 0.75rem;
}

.sgc-lms-notif-see-all {
    display: block;
    padding: 0.75rem;
    text-align: center;
    color: #007AFF;
    font-size: 0.85rem;
    text-decoration: none;
    border-top: 1px solid #e5e7eb;
}

.sgc-lms-notif-see-all:hover {
    background: #f9fafb;
}

/* ================================================
   RECORDING URL SECTION
   ================================================ */

.sgc-lms-recording-section {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--lms-border);
}

.sgc-lms-recording-section .sgc-lms-input {
    flex: 1;
    min-width: 200px;
}

.sgc-lms-recording-link {
    color: #007AFF;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.sgc-lms-recording-link:hover {
    text-decoration: underline;
}

/* ================================================
   COURSE CARD LIVE BADGE
   ================================================ */

.sgc-lms-card-live-badge {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: linear-gradient(135deg, #6b5ce7, #8b5cf6);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(107, 92, 231, 0.4);
}

.sgc-lms-badge-count {
    background: #ef4444;
    color: white;
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.5rem;
}

/* ================================================
   CUSTOM URL HELP & PLATFORM DETECTION
   ================================================ */

.sgc-lms-custom-url-help {
    margin-top: 0.5rem;
}

.sgc-lms-help-text {
    font-size: 0.8rem;
    color: var(--lms-text-muted);
    display: block;
    margin-bottom: 0.5rem;
}

.sgc-lms-url-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sgc-lms-platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
}

.sgc-lms-platform-badge.zoom {
    background: #2D8CFF;
    color: white;
}

.sgc-lms-platform-badge.meet {
    background: #34A853;
    color: white;
}

.sgc-lms-platform-badge.teams {
    background: #5558AF;
    color: white;
}

.sgc-lms-platform-badge.custom {
    background: var(--lms-surface);
    color: var(--lms-text);
    border: 1px solid var(--lms-border);
}

/* ================================================
   Forum Moderation & Community Styles
   ================================================ */

/* Moderation Toolbar */
.sgc-lms-moderation-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--lms-border);
}

.sgc-lms-btn-warning {
    background: #F59E0B;
    color: white;
    border: none;
}

.sgc-lms-btn-warning:hover {
    background: #D97706;
}

.sgc-lms-btn-danger {
    background: #EF4444;
    color: white;
    border: none;
}

.sgc-lms-btn-danger:hover {
    background: #DC2626;
}

/* Solution Badge & Reply */
.sgc-lms-solution-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: #10B981;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.sgc-lms-reply.sgc-lms-solution {
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid #10B981;
}

.sgc-lms-solution-btn {
    background: transparent;
    border: 1px solid #10B981;
    color: #10B981;
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.sgc-lms-solution-btn:hover {
    background: #10B981;
    color: white;
}

/* Thread lock indicator */
.sgc-lms-lock {
    margin-right: 0.3rem;
}

/* Community Section */
.sgc-lms-community-links {
    margin-bottom: 2rem;
}

.sgc-lms-community-chat {
    margin-top: 2rem;
}

.sgc-lms-community-chat h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--lms-text-muted);
}

/* Section description */
.sgc-lms-section-desc {
    color: var(--lms-text-muted);
    margin-bottom: 1.5rem;
}

/* Nav divider */
.sgc-lms-nav-divider {
    border: none;
    border-top: 1px solid var(--lms-border);
    margin: 0.5rem 0;
}

/* ================================================
   Chat Full Page View Styles
   ================================================ */

.sgc-lms-chat-view {
    min-height: 100vh;
    background: var(--lms-bg);
}

.sgc-lms-chat-fullpage {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    gap: 1.5rem;
    min-height: calc(100vh - 200px);
}

.sgc-lms-chat-sidebar {
    width: 280px;
    background: var(--lms-surface);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--lms-border);
}

.sgc-lms-chat-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-chat-sidebar-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.sgc-lms-chat-main-full {
    flex: 1;
    background: var(--lms-surface);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--lms-border);
    overflow: hidden;
}

.sgc-lms-chat-main-full .sgc-lms-chat-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--lms-border);
}

.sgc-lms-chat-main-full .sgc-lms-chat-header h2 {
    margin: 0;
    font-size: 1.2rem;
}

.sgc-lms-chat-main-full .sgc-lms-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.sgc-lms-chat-input-full {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--lms-border);
    background: var(--lms-bg);
}

.sgc-lms-chat-input-full input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--lms-surface);
    color: var(--lms-text);
}

.sgc-lms-chat-input-full button {
    padding: 0.75rem 1.5rem;
}

@media (max-width: 768px) {
    .sgc-lms-chat-fullpage {
        flex-direction: column;
        padding: 1rem;
    }

    .sgc-lms-chat-sidebar {
        width: 100%;
        max-height: 200px;
        overflow-y: auto;
    }
}

/* ================================================
   Permissions Modal - Enhanced Styling
   ================================================ */

.sgc-lms-permissions-modal {
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.sgc-lms-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--lms-border);
    margin-bottom: 1rem;
}

.sgc-lms-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sgc-lms-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--lms-text-muted);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.sgc-lms-modal-close:hover {
    background: var(--lms-surface);
    color: var(--lms-text);
}

.sgc-lms-modal-body {
    flex: 1;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.sgc-lms-modal-body .sgc-lms-section-desc {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
}

.sgc-lms-help-text {
    font-size: 0.85rem;
    color: var(--lms-text-muted);
    margin: 0 0 1.5rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(88, 86, 214, 0.1));
    border-radius: var(--lms-radius-sm);
    border-left: 3px solid var(--lms-primary);
}

.sgc-lms-permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

.sgc-lms-permission-item {
    background: var(--lms-surface);
    border-radius: var(--lms-radius-sm);
    padding: 1rem;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.sgc-lms-permission-item:hover {
    background: var(--lms-bg);
    border-color: var(--lms-border);
}

.sgc-lms-permission-item:has(input:checked) {
    background: linear-gradient(135deg, rgba(52, 199, 89, 0.1), rgba(52, 199, 89, 0.05));
    border-color: var(--lms-success, #34C759);
}

.sgc-lms-checkbox-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    position: relative;
    padding-left: 2rem;
}

.sgc-lms-checkbox-label input[type="checkbox"] {
    position: absolute;
    left: 0;
    top: 0.1rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--lms-primary);
}

.sgc-lms-permission-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--lms-text);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    background: var(--lms-bg);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.sgc-lms-permission-desc {
    font-size: 0.8rem;
    color: var(--lms-text-muted);
    line-height: 1.4;
}

.sgc-lms-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--lms-border);
    margin-top: 1.5rem;
}

.sgc-lms-modal-footer button {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

/* No Permission Badge */
.sgc-lms-no-permission {
    font-size: 0.75rem;
    color: var(--lms-warning, #FF9500);
    font-style: italic;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 149, 0, 0.1);
    border-radius: 4px;
}

/* Permission Categories */
.sgc-lms-permission-category {
    margin-bottom: 1.5rem;
}

.sgc-lms-permission-category-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--lms-text-muted);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--lms-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* User Info in Modal */
.sgc-lms-user-info-modal {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--lms-surface);
    border-radius: var(--lms-radius);
}

.sgc-lms-user-info-modal img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.sgc-lms-user-info-modal .role-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.sgc-lms-user-info-modal .role-admin {
    background: linear-gradient(135deg, #FF3B30, #FF6B6B);
    color: white;
}

.sgc-lms-user-info-modal .role-instructor {
    background: linear-gradient(135deg, #007AFF, #5AC8FA);
    color: white;
}

.sgc-lms-user-info-modal .role-student {
    background: linear-gradient(135deg, #34C759, #30D158);
    color: white;
}