@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700&display=swap";:root{--background: hsl(0, 0%, 100%);--foreground: hsl(235, 19%, 15%);--card: hsl(0, 0%, 100%);--card-foreground: hsl(235, 19%, 15%);--brand: hsl(268, 85%, 52%);--brand-glow: hsl(282, 88%, 60%);--primary: var(--brand);--primary-foreground: hsl(0, 0%, 100%);--muted: hsl(255, 15%, 96%);--muted-foreground: hsl(235, 8%, 45%);--border: hsl(255, 15%, 90%);--input: hsl(255, 15%, 90%);--ring: var(--brand);--radius: .75rem;--gradient-primary: linear-gradient(135deg, var(--brand), var(--brand-glow));--shadow-elegant: 0 10px 30px -10px hsla(268, 85%, 52%, .35);--shadow-card: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}.dark{--background: hsl(240, 10%, 6%);--foreground: hsl(0, 0%, 98%);--card: hsl(240, 10%, 8%);--card-foreground: hsl(0, 0%, 98%);--brand: hsl(268, 85%, 60%);--brand-glow: hsl(282, 88%, 66%);--primary: var(--brand);--primary-foreground: hsl(0, 0%, 100%);--muted: hsl(240, 7%, 18%);--muted-foreground: hsl(0, 0%, 70%);--border: hsl(240, 7%, 18%);--input: hsl(240, 7%, 18%);--ring: var(--brand)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background-color:var(--background);color:var(--foreground);-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:Poppins,system-ui,sans-serif}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.navbar{background-color:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px #0000000d}.navbar-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;gap:1rem}.logo{height:40px;width:40px;border-radius:50%;object-fit:cover}.brand-title{font-size:1.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass-card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);padding:2rem;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease}.glass-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-elegant)}.btn-primary{background:var(--gradient-primary);color:var(--primary-foreground);border:none;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:opacity .2s ease,transform .2s ease}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.input-field{width:100%;padding:.75rem 1rem;border:1px solid var(--input);border-radius:var(--radius);outline:none;transition:border-color .2s ease,box-shadow .2s ease;font-family:inherit}.input-field:focus{border-color:var(--ring);box-shadow:0 0 0 3px #7e1ded33}@media (max-width: 768px){.navbar-content{flex-direction:column;padding:1rem;gap:1rem}.navbar-content nav{width:100%;justify-content:center;flex-wrap:wrap;gap:1rem!important}.main-content{padding:1rem}.glass-card{padding:1.5rem}.course-content{padding:1.5rem!important}h1{font-size:2rem!important}h2{font-size:1.75rem!important}}.course-content{padding:2.5rem}