/**
 * Professional Page Styles
 * Applies to: Browse, Categories, Community, Course Detail, Live Sessions, Pricing, Projects
 */

/* ===================================
   BROWSE PAGE
   =================================== */
.browse-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: 100vh;
}

.page-header {
    text-align: center;
    margin-top: -1rem;
    margin-bottom: 0.5rem;
    padding: 1rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

.browse-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

/* Filters Sidebar */
.filters-sidebar {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 90px;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
}

.filters-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.btn-text-small {
    color: var(--vskul-blue);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.btn-text-small:hover {
    color: var(--vskul-navy);
    text-decoration: underline;
}

.filter-group {
    margin-bottom: var(--spacing-lg);
}

.filter-group h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.filter-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--gray-900);
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--vskul-blue);
    box-shadow: 0 0 0 3px rgba(15, 82, 186, 0.1);
}

.filter-checkbox {
    display: flex;
    align-items: center;
    padding: 0.625rem 0;
    cursor: pointer;
    transition: var(--transition);
}

.filter-checkbox:hover {
    padding-left: 0.5rem;
}

.filter-checkbox input[type="radio"] {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.filter-checkbox span {
    font-size: 0.95rem;
    color: var(--gray-700);
}

/* Browse Content */
.browse-content {
    flex: 1;
}

.browse-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-count {
    font-size: 0.95rem;
    color: var(--gray-600);
    font-weight: 500;
}

.sort-select {
    padding: 0.625rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
}

.no-results {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.no-results h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   COURSES GRID - 2 COLUMNS MAX
   =================================== */

/* Mobile: 1 column */
.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* Tablet and up: 2 columns */
@media (min-width: 768px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: Still 2 columns (removed the 3-4 column layouts) */
@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Desktop: Still 2 columns */
@media (min-width: 1280px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
}

.pagination-btn {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    font-weight: 600;
    transition: var(--transition);
}

.pagination-btn:hover {
    background: var(--vskul-blue);
    color: white;
    border-color: var(--vskul-blue);
    transform: translateY(-2px);
}

.pagination-info {
    font-size: 0.95rem;
    color: var(--gray-600);
    font-weight: 500;
}

/* ===================================
   CATEGORIES PAGE
   =================================== */
.categories-page {
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
    background: var(--gray-50);
}

.categories-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.category-card-lg {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card-lg:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--vskul-blue);
}

.category-icon-lg {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.category-info {
    flex: 1;
}

.category-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.category-info p {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin: 0;
}

.category-arrow {
    font-size: 1.5rem;
    color: var(--vskul-blue);
    transition: var(--transition);
}

.category-card-lg:hover .category-arrow {
    transform: translateX(8px);
}

/* ===================================
   COURSE DETAIL PAGE
   =================================== */
.course-detail-page {
    padding-top: 0;
}

/* Course Hero */
.course-hero {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.course-hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.breadcrumb {
    font-size: 0.875rem;
    color: white;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.course-hero .course-title {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.course-hero .course-description {
    font-size: 1.125rem;
    color: white;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.course-hero .course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    color: white;
}

.course-teacher {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: white;
}

.teacher-avatar-lg {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: white;
    color: var(--vskul-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.teacher-name {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.teacher-name:hover {
    text-decoration: underline;
}

/* Course Preview Card */
.course-preview-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: sticky;
    top: 90px;
}

.course-preview-card video,
.course-preview-card img {
    width: 100%;
    height: auto;
    display: block;
}

.course-price-box {
    padding: var(--spacing-lg);
}

.course-price-display {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.price-amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vskul-blue);
}

.price-free {
    font-size: 2rem;
    font-weight: 800;
    color: var(--success);
}

.guarantee-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-md);
}

.course-includes {
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
}

.course-includes h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.course-includes ul {
    list-style: none;
}

.course-includes li {
    padding: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--gray-700);
}

/* Course Tabs */
.course-content-section {
    padding: var(--spacing-2xl) 0;
    background: white;
}

.course-tabs {
    display: flex;
    gap: var(--spacing-md);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.tab-btn.active {
    color: var(--vskul-blue);
    border-bottom-color: var(--vskul-blue);
}

.tab-btn:hover {
    color: var(--vskul-navy);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Curriculum List */
.curriculum-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.curriculum-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--vskul-blue);
}

.lesson-number {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--vskul-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.lesson-info {
    flex: 1;
}

.lesson-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.lesson-info p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

.lesson-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.locked-icon {
    font-size: 1.25rem;
}

/* Reviews */
.reviews-summary {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.rating-large .rating-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--vskul-blue);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.rating-large .rating-stars {
    font-size: 1.5rem;
    color: #F59E0B;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.rating-large .rating-count {
    font-size: 0.95rem;
    color: var(--gray-600);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.review-item {
    padding: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.review-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--vskul-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.review-rating {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.review-comment {
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ===================================
   LIVE SESSIONS PAGE
   =================================== */
.live-sessions-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: 100vh;
}

.sessions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.session-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

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

.session-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.live-badge {
    background: var(--error);
    color: white;
    animation: pulse 2s infinite;
}

.session-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    padding-right: 100px;
}

.session-description {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.session-teacher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.session-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.session-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--vskul-blue);
}

.session-seats {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===================================
   PRICING PAGE
   =================================== */
.pricing-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: 100vh;
}

.pricing-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--vskul-blue);
    box-shadow: var(--shadow-lg);
}

.badge-popular {
    position: absolute;
    top: -12px;
    right: var(--spacing-lg);
    background: var(--vskul-blue);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--vskul-blue);
    margin-bottom: var(--spacing-lg);
}

.price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-600);
}

.features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.features li {
    padding: 0.625rem 0;
    font-size: 0.95rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.features li:last-child {
    border-bottom: none;
}

.pricing-faq {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.pricing-faq h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.faq-item {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.faq-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   PROJECTS PAGE
   =================================== */
.projects-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: 100vh;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.project-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.project-image {
    position: relative;
    width: 100%;
    padding-top: 66.67%; /* 3:2 aspect ratio */
    background: var(--gray-200);
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.project-info {
    padding: var(--spacing-lg);
}

.project-info h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.project-course {
    font-size: 0.875rem;
    color: var(--vskul-blue);
    margin-bottom: var(--spacing-md);
}

.project-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--vskul-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

.project-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===================================
   COMMUNITY PAGE
   =================================== */
.community-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: 100vh;
}

.coming-soon-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.coming-soon-card h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vskul-blue);
    margin-bottom: var(--spacing-lg);
}

.coming-soon-card p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.coming-soon-card ul {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
}

.coming-soon-card li {
    padding: 0.75rem 0;
    font-size: 1rem;
    color: var(--gray-700);
}

/* ===================================
   EMPTY STATE
   =================================== */
.empty-state {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: 1rem;
    color: var(--gray-600);
}

/* ===================================
   RESPONSIVE - TABLET (768px+)
   =================================== */
@media (min-width: 768px) {
    .browse-container {
        grid-template-columns: 280px 1fr;
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .course-hero-content {
        grid-template-columns: 1.5fr 1fr;
    }
    
    .sessions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   RESPONSIVE - DESKTOP (1024px+)
   =================================== */
@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .sessions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-cards {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   RESPONSIVE - LARGE DESKTOP (1280px+)
   =================================== */
@media (min-width: 1280px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/**
 * Additional Professional Page Styles
 * Auth Pages, Dashboard, Learning, Teach, Teacher Profile
 */

/* ===================================
   AUTH PAGES (Login & Register)
   =================================== */
.auth-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--vskul-navy) 0%, var(--vskul-blue) 100%);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.auth-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.auth-card h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.auth-card > p {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    font-size: 1rem;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row.two-col {
    grid-template-columns: 1fr 1fr;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--gray-700);
    cursor: pointer;
    margin-bottom: var(--spacing-md);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span a {
    color: var(--vskul-blue);
    font-weight: 600;
}

.link-text {
    color: var(--vskul-blue);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.link-text:hover {
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--vskul-blue);
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ===================================
   STUDENT DASHBOARD
   =================================== */
.dashboard-page {
    padding: var(--spacing-xl) 0;
    background: var(--gray-50);
    min-height: calc(100vh - var(--header-height));
}

.dashboard-header {
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.dashboard-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--vskul-blue);
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--vskul-navy), var(--vskul-blue));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vskul-blue);
    margin: 0;
    line-height: 1;
}

.stat-content p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin: 0.25rem 0 0 0;
}

/* Dashboard Section */
.dashboard-section {
    margin-bottom: var(--spacing-2xl);
}

.dashboard-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.dashboard-section .section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

/* Dashboard Course Card */
.dashboard-course-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.dashboard-course-card .course-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: var(--gray-200);
    overflow: hidden;
}

.dashboard-course-card .course-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-progress-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: var(--spacing-md);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.dashboard-course-card .course-info {
    padding: var(--spacing-lg);
}

.dashboard-course-card .course-info h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.course-teacher {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   LEARNING PAGE
   =================================== */
.learning-page {
    padding-top: 0;
    background: var(--gray-900);
    min-height: calc(100vh - var(--header-height));
}

.learning-container {
    display: grid;
    grid-template-columns: 1fr;
    height: calc(100vh - var(--header-height));
}

.video-player {
    background: black;
    display: flex;
    flex-direction: column;
}

.video-player iframe {
    width: 100%;
    flex: 1;
    border: none;
}

.no-video {
    width: 100%;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.lesson-info {
    background: var(--gray-800);
    color: white;
    padding: var(--spacing-lg);
}

.lesson-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.lesson-info p {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Lessons Sidebar */
.lessons-sidebar {
    background: var(--gray-800);
    color: white;
    padding: var(--spacing-lg);
    overflow-y: auto;
    height: 100%;
}

.lessons-sidebar h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.lessons-sidebar .progress-bar {
    margin-bottom: var(--spacing-xs);
}

.lessons-sidebar > p {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin-bottom: var(--spacing-lg);
}

.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-700);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: white;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.lesson-item:hover {
    background: var(--gray-600);
    border-left-color: var(--vskul-blue);
}

.lesson-item.active {
    background: var(--vskul-blue);
    border-left-color: white;
}

.lesson-number {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.lesson-item.active .lesson-number {
    background: white;
    color: var(--vskul-blue);
}

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

.lesson-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    margin: 0 0 0.25rem 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-details span {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

.lesson-item.active .lesson-details span {
    color: rgba(255,255,255,0.8);
}

/* ===================================
   TEACH PAGE
   =================================== */
.teach-page {
    background: white;
}

.teach-hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.teach-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: white;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.teach-benefits,
.teach-how {
    padding: var(--spacing-2xl) 0;
}

.teach-benefits h2,
.teach-how h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.benefits-grid,
.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.benefit-item,
.step-item {
    text-align: center;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--vskul-navy), var(--vskul-blue));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--vskul-blue);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.benefit-item h3,
.step-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.benefit-item p,
.step-item p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.teach-cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.teach-cta h2 {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
}

.teach-cta p {
    font-size: 1.125rem;
    color: white;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   TEACHER PROFILE PAGE
   =================================== */
.teacher-profile-page {
    background: white;
}

.profile-hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.profile-content {
    max-width: 600px;
    margin: 0 auto;
}

.profile-avatar-lg {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    background: white;
    color: var(--vskul-navy);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 800;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.profile-hero h1 {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.profile-bio {
    font-size: 1.125rem;
    color: white;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
}

.teacher-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

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

.teacher-stats .stat-item strong {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.25rem;
}

.teacher-stats .stat-item span {
    font-size: 0.95rem;
    color: white;
    opacity: 0.9;
}

.teacher-courses-section {
    padding: var(--spacing-2xl) 0;
}

.teacher-courses-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   RESPONSIVE - TABLET (768px+)
   =================================== */
@media (min-width: 768px) {
    /* Auth Pages */
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Dashboard */
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Learning Page */
    .learning-container {
        grid-template-columns: 1fr 380px;
    }
    
    .video-player {
        height: calc(100vh - var(--header-height));
    }
    
    /* Teach Page */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .teach-hero h1 {
        font-size: 3rem;
    }
}

/* ===================================
   RESPONSIVE - DESKTOP (1024px+)
   =================================== */
@media (min-width: 1024px) {
    /* Dashboard */
    .stats-row {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Teach Page */
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Auth Card */
    .auth-card {
        padding: var(--spacing-2xl) var(--spacing-2xl);
    }
}

/* ===================================
   MOBILE OPTIMIZATIONS
   =================================== */
@media (max-width: 767px) {
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .dashboard-header h1 {
        font-size: 1.75rem;
    }
    
    .teach-hero h1 {
        font-size: 2rem;
    }
    
    .profile-hero h1 {
        font-size: 1.75rem;
    }
    
    .teacher-stats {
        gap: var(--spacing-lg);
    }
}

/**
 * Dual Login Page Styles
 */

/* Dual Login Container */
.auth-page.dual-login {
    padding: var(--spacing-2xl) 0;
}

.dual-login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.dual-login-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.dual-login-header p {
    font-size: 1.25rem;
    color: white;
    opacity: 0.95;
}

.dual-login-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Login Portal Cards */
.login-portal-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.login-portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--vskul-navy), var(--vskul-blue));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.login-portal-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-portal-card:hover::before {
    transform: scaleX(1);
}

/* Student Card Styling */
.student-card {
    border-color: transparent;
}

.student-card:hover {
    border-color: var(--vskul-blue);
}

.student-card .portal-icon {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    color: var(--vskul-blue);
}

/* Instructor Card Styling */
.instructor-card {
    border-color: transparent;
}

.instructor-card:hover {
    border-color: var(--success);
}

.instructor-card .portal-icon {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    color: var(--success);
}

/* Portal Icon */
.portal-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.login-portal-card:hover .portal-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Portal Content */
.login-portal-card h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.login-portal-card p {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Portal Arrow */
.portal-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--vskul-blue);
    transition: var(--transition);
}

.instructor-card .portal-arrow {
    color: var(--success);
}

.login-portal-card:hover .portal-arrow {
    gap: 1rem;
}

.portal-arrow svg {
    transition: var(--transition);
}

.login-portal-card:hover .portal-arrow svg {
    transform: translateX(4px);
}

/* Dual Login Footer */
.dual-login-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.dual-login-footer p {
    font-size: 1rem;
    color: white;
}

.dual-login-footer a {
    color: white;
    font-weight: 700;
    text-decoration: underline;
    transition: var(--transition);
}

.dual-login-footer a:hover {
    opacity: 0.8;
}

/* ===================================
   RESPONSIVE - TABLET (768px+)
   =================================== */
@media (min-width: 768px) {
    .dual-login-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dual-login-header h1 {
        font-size: 3rem;
    }
}

/* ===================================
   MOBILE ADJUSTMENTS
   =================================== */
@media (max-width: 767px) {
    .dual-login-header h1 {
        font-size: 2rem;
    }
    
    .dual-login-header p {
        font-size: 1.125rem;
    }
    
    .login-portal-card {
        padding: var(--spacing-xl);
    }
    
    .portal-icon {
        width: 100px;
        height: 100px;
    }
    
    .portal-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .login-portal-card h2 {
        font-size: 1.5rem;
    }
}

/**
 * Dynamic Homepage - Additional Styles
 * Add this to your pages_professional.css or create a new file
 */

/* ===================================
   LIVE SESSION ALERT
   =================================== */

.live-alert {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.live-alert-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: white;
    font-size: 1rem;
}

.live-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    font-size: 1.5rem;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.live-alert-box strong {
    font-weight: 700;
}

.live-alert .btn-white {
    background: white;
    color: #dc2626;
    border: none;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.live-alert .btn-white:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* ===================================
   CATEGORY ENHANCEMENTS
   =================================== */

.category-students {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.category-emoji {
    font-size: 3rem;
    line-height: 1;
}

/* ===================================
   COURSE BADGES
   =================================== */

.course-badge-bestseller {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: #F59E0B;
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
}

.course-badge-new {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: #10B981;
    color: white;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
}

/* If both badges exist, adjust positioning */
.course-thumb-container .course-badge-bestseller + .course-badge-new {
    top: 3rem;
}

/* ===================================
   EMPTY STATES
   =================================== */

.no-courses,
.no-categories {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--gray-50);
    border-radius: var(--radius-xl);
}

.no-courses p,
.no-categories p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* ===================================
   GROWTH STATS SECTION
   =================================== */

.growth-stats {
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    padding: 3rem 0;
}

.growth-stats .stats-grid-bar {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.growth-stats .stat-item-bar {
    border-right: 1px solid var(--gray-200);
}

.growth-stats .stat-item-bar:last-child {
    border-right: none;
}

/* ===================================
   BADGE IN TEXT
   =================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-info {
    background: #DBEAFE;
    color: #1E40AF;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

/* ===================================
   LEVEL BADGES
   =================================== */

.badge-beginner {
    background: #D1FAE5;
    color: #065F46;
}

.badge-intermediate {
    background: #FEF3C7;
    color: #92400E;
}

.badge-advanced {
    background: #FEE2E2;
    color: #991B1B;
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */

@media (max-width: 767px) {
    .live-alert-box {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .growth-stats .stats-grid-bar {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .growth-stats .stat-item-bar {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding-bottom: 1rem;
    }
    
    .growth-stats .stat-item-bar:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .growth-stats .stats-grid-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* ===================================
   COURSES SECTION - FULLY FIXED
   =================================== */

.courses-pro {
    padding: 4rem 0;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.courses-pro .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
    box-sizing: border-box;
}

.courses-grid-modern {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem 1.5rem;
    width: 100%;
}

@media (min-width: 768px) {
    .courses-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .courses-pro .container {
        padding: 0 2rem;
    }
}

@media (min-width: 1024px) {
    .courses-grid-modern {
        grid-template-columns: repeat(3, 1fr); /* Keep 2 columns for larger cards */
    }
}

@media (min-width: 1280px) {
    .courses-grid-modern {
        grid-template-columns: repeat(4, 1fr); /* Or repeat(3, 1fr) for 3 columns */
    }
}

.course-card-pro {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.course-card-pro:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.course-thumb-container {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    position: relative;
    overflow: hidden;
    background: #f3f4f6;
}

.course-thumb-container img,
.course-thumb-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-content {
    padding: 1.5rem;
}