/* Hero Section */
.hero {
    background: linear-gradient(135deg, #4F7CFF 0%, #00D4A1 100%);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero .brand-name {
    color: white;
    font-weight: 700;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 2rem;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2D3748;
}

.steps {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: bold;
}

.step:nth-child(1) .step-number {
    background: #E6F2FF;
    color: #4F7CFF;
}

.step:nth-child(2) .step-number {
    background: #E6FFF5;
    color: #00D4A1;
}

.step:nth-child(3) .step-number {
    background: #F3E6FF;
    color: #8B7CFF;
}

.step:nth-child(4) .step-number {
    background: #FFF5E6;
    color: #FFB800;
}

.step h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.step p {
    color: #718096;
    font-size: 0.95rem;
}

/* Featured Courses Section */
.featured-courses {
    padding: 5rem 2rem;
    background: #F5F7FA;
}

.filter-bar {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
    padding: 0.75rem;
    border: 1px solid #E2E8F0;
    border-radius: 6px;
    flex: 1;
    min-width: 200px;
}

.courses-grid {
    max-width: 1200px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.course-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.course-image {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background-size: cover;
    background-position: center;
}

.course-content {
    padding: 1.5rem;
}

.course-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.course-instructor {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.course-price {
    font-size: 1.25rem;
    font-weight: bold;
    color: #2D3748;
}

.course-rating {
    color: #FFB800;
}

.add-to-cart-btn {
    width: 100%;
    margin-top: 1rem;
    background: #10B981;
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.add-to-cart-btn:hover {
    background: #059669;
}

.preview-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(79, 124, 255, 0.9);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Why Choose Section */
.why-choose {
    padding: 5rem 2rem;
    background: white;
}

.features {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.feature-card.blue h3 {
    color: #4F7CFF;
}

.feature-card.green h3 {
    color: #00D4A1;
}

.feature-card p {
    color: #718096;
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: 5rem 2rem;
    background: #F5F7FA;
}

.pricing-header {
    text-align: center;
    margin-bottom: 3rem;
}

.pricing-header h2 {
    font-size: 2.5rem;
    color: #2D3748;
    margin-bottom: 0.5rem;
}

.instructor-pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border: 3px solid #10B981;
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.plan-badge {
    display: inline-block;
    background: #10B981;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.price-large {
    font-size: 4rem;
    font-weight: bold;
    color: #10B981;
    margin-bottom: 0.5rem;
}

.price-period {
    color: #718096;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.pricing-features {
    text-align: left;
    margin: 2rem 0;
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: #2D3748;
}

.pricing-features li:before {
    content: "✓";
    color: #10B981;
    font-weight: bold;
    font-size: 1.5rem;
}

.pricing-cta {
    margin-top: 2rem;
}

.pricing-cta .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.trial-notice {
    margin-top: 1rem;
    color: #718096;
    font-size: 0.95rem;
}

/* Community Page */
.community-page {
    padding: 3rem 2rem;
    background: #F5F7FA;
    min-height: 100vh;
}

.community-header {
    max-width: 1200px;
    margin: 0 auto 3rem;
    text-align: center;
}

.community-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.community-tabs {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 1rem;
    border-bottom: 2px solid #E2E8F0;
}

.community-tab {
    padding: 1rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: #718096;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.community-tab.active {
    color: #4F7CFF;
    border-bottom-color: #4F7CFF;
}

.community-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.forum-list {
    background: white;
    border-radius: 8px;
    padding: 2rem;
}

.forum-category {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #E2E8F0;
}

.forum-category h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.forum-topic {
    padding: 1rem;
    border: 1px solid #E2E8F0;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
}

.forum-topic:hover {
    background: #F5F7FA;
    border-color: #4F7CFF;
}

.topic-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.topic-title {
    font-weight: 600;
    color: #2D3748;
}

.topic-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: #718096;
}

.community-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
}

.sidebar-card h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.trending-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #E2E8F0;
}

.trending-item:last-child {
    border-bottom: none;
}

.online-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4F7CFF 0%, #00D4A1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.online-indicator {
    width: 10px;
    height: 10px;
    background: #10B981;
    border-radius: 50%;
    margin-left: auto;
}

.community-guidelines {
    background: #FFF5E6;
    border-left: 4px solid #FFB800;
    padding: 1rem;
}

.community-guidelines h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: #FFB800;
}

.guidelines-list {
    list-style: none;
    font-size: 0.9rem;
}

.guidelines-list li {
    padding: 0.25rem 0;
    display: flex;
    align-items: start;
    gap: 0.5rem;
}

.guidelines-list li:before {
    content: "•";
    color: #FFB800;
    font-weight: bold;
}

/* Dashboard Styles */
.dashboard {
    min-height: 100vh;
    background: #F5F7FA;
}

.dashboard-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
}

.sidebar {
    width: 250px;
    background: white;
    min-height: calc(100vh - 70px);
    padding: 2rem 1rem;
    box-shadow: 2px 0 4px rgba(0,0,0,0.05);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: #2D3748;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s;
    cursor: pointer;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: #E6F2FF;
    color: #4F7CFF;
}

.main-content {
    flex: 1;
    padding: 2rem;
}

.dashboard-header {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.dashboard-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: #718096;
    font-size: 0.9rem;
}

.content-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.content-card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

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

.permission-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid #E2E8F0;
    border-radius: 6px;
}

.permission-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.permission-item label {
    cursor: pointer;
    flex: 1;
}

.stripe-integration {
    background: linear-gradient(135deg, #635BFF 0%, #4F46E5 100%);
    color: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.stripe-integration h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stripe-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Super Admin Section Navigation */
.super-admin-section {
    width: 100%;
}

.super-admin-section.hidden {
    display: none;
}

/* Instructor Section Navigation */
.instructor-section {
    width: 100%;
}

.instructor-section.hidden {
    display: none;
}

/* Admin Section Navigation */
.admin-section {
    width: 100%;
}

.admin-section.hidden {
    display: none;
}

/* Student Section Navigation */
.student-section {
    width: 100%;
}

.student-section.hidden {
    display: none;
}

/* Content Management Styles */
.content-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.content-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: #F7F9FC;
    border-radius: 8px;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.content-item:hover {
    background: #EDF2F7;
    border-color: #CBD5E0;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.content-item h3 {
    margin: 0 0 0.5rem 0;
    color: #2D3748;
    font-size: 1.1rem;
}

.content-item p {
    margin: 0;
    color: #718096;
    font-size: 0.9rem;
}

.media-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    padding: 1.5rem;
    background: #F7F9FC;
    border-radius: 8px;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2D3748;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    font-size: 0.9rem;
    color: #718096;
}