@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-base:#0a0a08;--bg-surface:#111109;--bg-card:#1a1508;--bg-card-hover:#241c0a;--bg-elevated:#2e200c;--bg-glass:#111109d9;--brand-start:#ff6b00;--brand-mid:#d94f00;--brand-end:#c5f500;--brand-gradient:linear-gradient(135deg, #ff6b00 0%, #d94f00 50%, #c5f500 100%);--brand-glow:0 0 40px #ff6b004d;--accent:#c5f500;--accent-subtle:#c5f5001f;--accent-border:#c5f50059;--text-primary:#e8dcc8;--text-secondary:#b8a88a;--text-muted:#7a6a52;--text-accent:#ff6b00;--border-subtle:#c5f5000f;--border-normal:#c5f50024;--border-bright:#c5f50047;--border-accent:#ff6b008c;--success:#8dff3a;--warning:#ff6b00;--error:#ff2d00;--info:#c5f500;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:28px;--radius-full:9999px;--shadow-sm:0 1px 4px #000000b3;--shadow-md:0 4px 20px #000c;--shadow-lg:0 12px 48px #000000e6;--shadow-glow:0 0 32px #ff6b0033;--transition-fast:.16s cubic-bezier(.25, .46, .45, .94);--transition-normal:.28s cubic-bezier(.25, .46, .45, .94);--transition-slow:.44s cubic-bezier(.25, .46, .45, .94);--transition-spring:.38s cubic-bezier(.34, 1.56, .64, 1);--sidebar-width:260px;--topbar-height:60px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(70% 50% at 15% 0,#ff6b0017 0%,#0000 55%),radial-gradient(50% 40% at 85% 100%,#c5f50012 0%,#0000 55%),radial-gradient(40% 60%,#d94f000d 0%,#0000 70%);position:fixed;inset:0}#root{z-index:1;position:relative}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-weight:700;line-height:1.2}h1{font-size:clamp(1.75rem,4vw,3rem)}h2{font-size:clamp(1.5rem,3vw,2.25rem)}h3{font-size:clamp(1.25rem,2.5vw,1.75rem)}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{color:var(--text-secondary);line-height:1.75}a{color:var(--text-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--brand-start)}code,pre{font-family:JetBrains Mono,Fira Code,monospace}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#ffffff26}.app-shell{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left var(--transition-normal);flex-direction:column;flex:1;display:flex}.page-container{padding:var(--space-xl) var(--space-2xl);flex:1;width:100%;max-width:1200px;margin:0 auto}.glass-card{background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-normal)}.glass-card:hover{border-color:var(--border-bright);box-shadow:var(--shadow-glow), 0 0 0 1px var(--border-bright);transform:translateY(-2px)}.gradient-text{background:linear-gradient(135deg,#ff6b00 0%,#d94f00 40%,#c5f500 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{align-items:center;gap:var(--space-sm);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;outline:none;padding:10px 20px;font-family:Inter,sans-serif;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{color:#0a0a08;letter-spacing:.01em;box-shadow:0 0 0 1px #ff6b0066, 0 0 20px #ff6b0040, var(--shadow-md);background:#ff6b00;font-weight:700}.btn-primary:hover:not(:disabled){box-shadow:0 0 0 1px #ff6b0099, 0 0 30px #ff6b0066, var(--shadow-lg);background:#ff8030;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)scale(.99)}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-normal)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-bright);box-shadow:0 0 0 1px var(--border-bright)}.btn-ghost{color:var(--text-secondary);background:0 0;border:1px solid #0000}.btn-ghost:hover{color:var(--text-primary);border-color:var(--border-subtle);background:#ffffff0d}.btn-sm{padding:6px 14px;font-size:.8rem}.btn-lg{padding:14px 28px;font-size:1rem}.badge{border-radius:var(--radius-full);letter-spacing:.02em;align-items:center;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-purple{color:#c5f500;background:#c5f5001f;border:1px solid #c5f5004d}.badge-pink{color:#ff8030;background:#ff6b0026;border:1px solid #ff6b0059}.badge-cyan{color:#8dff3a;background:#8dff3a1f;border:1px solid #8dff3a4d}.badge-green{color:#ff6b00;background:#d94f0026;border:1px solid #d94f0059}.input-field{background:var(--bg-elevated);border:1px solid var(--border-normal);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:all var(--transition-fast);resize:vertical;outline:none;padding:12px 16px;font-family:Inter,sans-serif;font-size:.95rem}.input-field::placeholder{color:var(--text-muted);opacity:.8}.input-field:focus{background:var(--bg-card);border-color:#ffffff4d;box-shadow:0 0 0 3px #ffffff0f}.divider{background:var(--border-subtle);height:1px;margin:var(--space-lg) 0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #ff6b0033}50%{box-shadow:0 0 50px #ff6b008c}}@keyframes shimmer-white{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-up{animation:.5s forwards fadeInUp}.animate-fade{animation:.3s forwards fadeIn}.animate-stagger>*{opacity:0;animation:.5s forwards fadeInUp}.animate-stagger>:first-child{animation-delay:50ms}.animate-stagger>:nth-child(2){animation-delay:.1s}.animate-stagger>:nth-child(3){animation-delay:.15s}.animate-stagger>:nth-child(4){animation-delay:.2s}.animate-stagger>:nth-child(5){animation-delay:.25s}.animate-stagger>:nth-child(6){animation-delay:.3s}.skeleton{background:linear-gradient(90deg, var(--bg-elevated) 25%, #ffffff0a 50%, var(--bg-elevated) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite shimmer}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-accent{color:var(--text-accent)}.font-mono{font-family:JetBrains Mono,monospace}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.w-full{width:100%}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.p-md{padding:var(--space-md)}.p-lg{padding:var(--space-lg)}.courses-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.spinner-inline{border:2px solid #c5f50040;border-top-color:#c5f500;border-radius:50%;flex-shrink:0;width:15px;height:15px;animation:.7s linear infinite spin;display:inline-block}@media (width<=768px){:root{--sidebar-width:0px}.main-content{margin-left:0}.page-container{padding:var(--space-lg)}}