/* My Courses Page Styles */
.courses-page-content {
    padding: 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.btn-filter {
    padding: 0.625rem 1.25rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.btn-filter:hover {
    background: var(--bg-secondary);
}

.sort-select {
    padding: 0.625rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 150px;
}

/* Course Tabs */
.course-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-count {
    background: var(--bg-secondary);
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
}

.tab-btn.active .tab-count {
    background: var(--primary-light);
    color: white;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.course-card {
    background: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

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

.course-thumbnail {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.btn-play {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-play:hover {
    transform: scale(1.1);
}

.course-status {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.course-status.ongoing {
    background: var(--info-color);
}

.course-status.completed {
    background: var(--success-color);
}

.btn-bookmark {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-bookmark:hover {
    background: white;
    transform: scale(1.1);
}

.btn-bookmark.active {
    color: var(--warning-color);
}

.course-content {
    padding: 1.5rem;
}

.course-category {
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.course-content h3 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.course-instructor {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.course-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-fill.completed {
    background: var(--gradient-success);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.course-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.course-meta span {
    font-size: 0.813rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.course-meta i {
    color: var(--text-tertiary);
}

.course-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-continue,
.btn-certificate {
    flex: 1;
    padding: 0.625rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.btn-continue:hover,
.btn-certificate:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-certificate {
    background: var(--success-color);
}

.btn-certificate:hover {
    background: var(--success-dark, #059669);
}

.btn-more {
    width: 40px;
    padding: 0.625rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
}

.btn-more:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Load More */
.load-more-section {
    text-align: center;
    padding: 2rem 0;
}

.btn-load-more {
    padding: 0.875rem 2rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.btn-load-more:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Dark Theme */
body.dark-theme .course-card {
    background: var(--bg-primary);
}

body.dark-theme .btn-filter,
body.dark-theme .sort-select {
    background: var(--bg-primary);
}

body.dark-theme .btn-play {
    background: white;
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .courses-page-content {
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
    }
    
    .btn-filter,
    .sort-select {
        flex: 1;
    }
    
    .course-tabs {
        gap: 0.5rem;
    }
    
    .tab-btn {
        padding: 0.75rem 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .course-tabs {
        padding-bottom: 0.5rem;
    }
    
    .tab-count {
        display: none;
    }
    
    .course-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}