.course-content{font-size:1rem;line-height:1.6;color:hsl(var(--foreground))}.course-content h1{font-size:2.25rem;font-weight:700;line-height:1.2;margin-bottom:1.5rem}.course-content h2{font-size:1.875rem;font-weight:700;line-height:1.2;margin-top:3rem;margin-bottom:1rem}.course-content h3{font-size:1.5rem;font-weight:600;line-height:1.2;margin-top:2.5rem;margin-bottom:1rem}.course-content h4{font-size:1.25rem;font-weight:600;margin-top:2rem;margin-bottom:.75rem}.course-content p{margin-bottom:1rem}.course-content ol,.course-content ul{margin-bottom:1.5rem;padding-left:1.5rem}.course-content li{margin-bottom:.5rem}.course-content code,.course-content pre{font-family:var(--font-geist-mono,ui-monospace,monospace);font-size:.875rem;background-color:hsl(var(--muted));border-radius:.25rem}.course-content pre{padding:1rem;overflow-x:auto;margin-bottom:1.5rem}.course-content code{padding:.25rem .5rem}.course-content blockquote{border-left:4px solid hsl(var(--border));padding-left:1rem;margin-left:0;margin-right:0;font-style:italic;color:hsl(var(--muted-foreground))}.course-container{max-width:1024px;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}.course-section{margin-bottom:3rem}.course-card{background-color:hsl(var(--background));border:1px solid hsl(var(--border));border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;transition:box-shadow .25s ease,transform .25s ease}.course-card:hover{box-shadow:0 4px 12px hsl(var(--foreground)/.05);transform:translateY(-2px)}.course-button{display:inline-flex;align-items:center;justify-content:center;background-color:hsl(var(--primary));color:hsl(var(--primary-foreground));font-weight:500;padding:.5rem 1rem;border-radius:.25rem;transition:background-color .15s ease;border:none;cursor:pointer}.course-button:hover{background-color:hsl(var(--primary)/.9)}.course-button:focus{outline:none;box-shadow:0 0 0 3px hsl(var(--ring)/.35)}.course-link{color:hsl(var(--foreground)/.8);text-decoration:none;border-bottom:1px solid;transition:color .15s ease}.course-link:hover{color:hsl(var(--foreground))}@media (max-width:768px){.course-content h1{font-size:1.875rem}.course-content h2{font-size:1.5rem}.course-content h3{font-size:1.25rem}.course-content h4{font-size:1.125rem}.course-card{padding:1rem}}.course-sidebar{width:100%;height:100%;background-color:hsl(var(--background));border-right:1px solid hsl(var(--border));padding:1rem}.course-sidebar-nav{overflow-y:auto;max-height:calc(100vh - 200px)}.course-sidebar-item{margin-bottom:.25rem}.course-sidebar-link{display:flex;align-items:center;padding:.5rem;border-radius:.25rem;color:hsl(var(--foreground));text-decoration:none;transition:background-color .15s ease}.course-sidebar-link.active,.course-sidebar-link:hover{background-color:hsl(var(--accent))}.course-sidebar-link.active{font-weight:500}.module-content{line-height:1.625;font-size:1rem;color:hsl(var(--foreground))}.module-content h2{font-size:1.875rem;font-weight:700;line-height:1.25;margin-top:2.5rem;margin-bottom:1.25rem;border-bottom:1px solid hsl(var(--border));padding-bottom:.75rem}.module-content h3{font-size:1.5rem;font-weight:600;line-height:1.25;margin-top:2rem;margin-bottom:1rem;display:flex;align-items:center}.module-content h4{font-size:1.25rem;font-weight:600;line-height:1.25;margin-top:1.5rem;margin-bottom:.75rem}.module-content p{margin-bottom:1.25rem}.module-content ol,.module-content ul{margin-bottom:1.25rem;padding-left:1.5rem}.module-content ul{list-style-type:disc}.module-content ol{list-style-type:decimal}.module-content li{margin-bottom:.5rem}.module-content .code-snippet,.module-content .prompt-example{background-color:hsl(var(--muted));border-radius:calc(var(--radius) - 2px);padding:1rem;margin:1.25rem 0;font-family:var(--font-geist-mono,ui-monospace,monospace);font-size:.875rem;line-height:1.7;overflow-x:auto;border:1px solid hsl(var(--border))}.module-content blockquote{border-left:4px solid hsl(var(--primary));padding:.75rem 1.25rem;margin:1.5rem 0;background-color:hsl(var(--accent));border-radius:calc(var(--radius) - 2px);font-style:italic}.module-content .activities-section{background-color:hsl(var(--muted));border:1px solid hsl(var(--border));border-radius:var(--radius);padding:1.5rem;margin:2rem 0}.module-content .activities-header{display:flex;align-items:center;margin-bottom:1.25rem}.module-content .activities-icon{margin-right:.75rem;color:hsl(var(--success))}.module-content .activity-card{background-color:hsl(var(--background));border:1px solid hsl(var(--border));border-radius:calc(var(--radius) - 2px);padding:1.25rem;margin-bottom:1rem;box-shadow:0 1px 3px hsl(var(--foreground)/.05)}.module-content .activity-number{display:inline-flex;align-items:center;justify-content:center;background-color:hsl(var(--success));color:white;width:1.75rem;height:1.75rem;border-radius:9999px;font-weight:600;margin-right:.75rem}.module-content .resources-section{background-color:hsl(var(--muted));border:1px solid hsl(var(--border));border-radius:var(--radius);padding:1.5rem;margin:2rem 0}.module-content .resources-header{display:flex;align-items:center;margin-bottom:1.25rem}.module-content .resource-icon{margin-right:.75rem;color:hsl(var(--info))}.module-content .resource-link{display:flex;align-items:center;color:hsl(var(--primary));text-decoration:none;margin-bottom:.75rem}.module-content .resource-link:hover{text-decoration:underline}.module-content .external-link-icon{margin-left:.5rem;font-size:.875rem}