@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary: #060b18;--bg-secondary: #0d1528;--bg-card: #111827;--bg-card-hover: #1a2235;--bg-glass: rgba(17, 24, 39, .8);--border-subtle: rgba(255, 255, 255, .06);--border-medium: rgba(255, 255, 255, .12);--border-active: rgba(99, 102, 241, .5);--brand-primary: #6366f1;--brand-light: #818cf8;--brand-dark: #4f46e5;--brand-glow: rgba(99, 102, 241, .3);--accent-cyan: #22d3ee;--accent-cyan-dim: rgba(34, 211, 238, .15);--accent-green: #10b981;--accent-green-dim: rgba(16, 185, 129, .15);--accent-amber: #f59e0b;--accent-amber-dim: rgba(245, 158, 11, .15);--accent-rose: #f43f5e;--accent-rose-dim: rgba(244, 63, 94, .15);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--text-brand: #818cf8;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);--shadow-md: 0 4px 24px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 48px rgba(0, 0, 0, .6);--shadow-brand: 0 0 30px rgba(99, 102, 241, .2);--shadow-glow: 0 0 60px rgba(99, 102, 241, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--sidebar-width: 260px;--topbar-height: 64px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#6366f166;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--brand-primary)}h1{font-size:2.5rem;font-weight:800;line-height:1.1;letter-spacing:-.03em}h2{font-size:1.875rem;font-weight:700;line-height:1.2;letter-spacing:-.02em}h3{font-size:1.25rem;font-weight:600;line-height:1.3}h4{font-size:1rem;font-weight:600}p{color:var(--text-secondary)}code,pre{font-family:JetBrains Mono,Fira 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content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition-fast);border:none;text-decoration:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--brand-primary),var(--brand-dark));color:#fff;box-shadow:0 0 20px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 30px #6366f180}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-active)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid 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10px;border-radius:var(--radius-full);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-brand{background:var(--brand-glow);color:var(--brand-light);border:1px solid rgba(99,102,241,.3)}.badge-green{background:var(--accent-green-dim);color:var(--accent-green);border:1px solid rgba(16,185,129,.3)}.badge-cyan{background:var(--accent-cyan-dim);color:var(--accent-cyan);border:1px solid rgba(34,211,238,.3)}.badge-amber{background:var(--accent-amber-dim);color:var(--accent-amber);border:1px solid rgba(245,158,11,.3)}.badge-rose{background:var(--accent-rose-dim);color:var(--accent-rose);border:1px solid rgba(244,63,94,.3)}.stat-card{padding:24px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-base)}.stat-card:hover{border-color:var(--border-active);box-shadow:var(--shadow-brand)}.stat-number{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;line-height:1}.progress-track{width:100%;height:6px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--brand-primary),var(--accent-cyan));border-radius:var(--radius-full);transition:width var(--transition-slow);position:relative}.progress-fill:after{content:"";position:absolute;right:0;top:0;bottom:0;width:20px;background:#fff;filter:blur(4px);opacity:.6}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-base)}.sidebar-logo{padding:20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:12px}.sidebar-logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--brand-primary),#8b5cf6);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 20px #6366f166}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;border:1px solid transparent}.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}.nav-item.active{background:var(--brand-glow);color:var(--brand-light);border-color:#6366f133}.nav-item .nav-icon{width:18px;height:18px;flex-shrink:0}.nav-section-label{padding:8px 12px 4px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.sidebar-footer{padding:16px;border-top:1px solid var(--border-subtle)}.topbar{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--topbar-height);background:#060b18e6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-right{display:flex;align-items:center;gap:12px}.main-content{margin-left:var(--sidebar-width);margin-top:var(--topbar-height);padding:32px;min-height:calc(100vh - var(--topbar-height))}.page-header{margin-bottom:32px}.page-title{font-size:1.75rem;font-weight:700;margin-bottom:6px}.page-subtitle{color:var(--text-secondary);font-size:.9rem}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media (max-width: 1200px){.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.main-content{padding:20px}.sidebar{width:60px}.main-content{margin-left:60px}.sidebar .nav-item span,.sidebar-logo span{display:none}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes glow{0%,to{box-shadow:0 0 20px #6366f14d}50%{box-shadow:0 0 40px #6366f199}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.animate-fade-in{animation:fadeIn var(--transition-base) ease both}.animate-slide-in{animation:slideIn var(--transition-base) ease both}.animate-pulse{animation:pulse 2s ease infinite}.animate-spin{animation:spin 1s linear infinite}.animate-float{animation:float 3s ease infinite}.animate-glow{animation:glow 2s ease infinite}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.spinner{width:20px;height:20px;border:2px solid var(--border-medium);border-top-color:var(--brand-primary);border-radius:50%;animation:spin .8s linear infinite}.bob-indicator{display:flex;align-items:center;gap:8px;padding:6px 12px;background:#6366f11a;border:1px solid rgba(99,102,241,.3);border-radius:var(--radius-full);font-size:.75rem;color:var(--brand-light);animation:glow 2s ease infinite}.bob-dot{width:8px;height:8px;background:var(--brand-primary);border-radius:50%;animation:pulse 1.5s ease infinite}.chat-container{display:flex;flex-direction:column;height:calc(100vh - var(--topbar-height) - 64px)}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-message{display:flex;gap:12px;animation:fadeIn var(--transition-base) ease both}.chat-message.user{flex-direction:row-reverse}.chat-avatar{width:36px;height:36px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.chat-bubble{max-width:75%;padding:14px 18px;border-radius:var(--radius-lg);font-size:.875rem;line-height:1.6}.chat-bubble.bob{background:var(--bg-card);border:1px solid var(--border-subtle);border-top-left-radius:4px}.chat-bubble.user{background:linear-gradient(135deg,var(--brand-primary),var(--brand-dark));color:#fff;border-top-right-radius:4px}.chat-input-area{padding:20px 24px;border-top:1px solid var(--border-subtle);display:flex;gap:12px;align-items:flex-end}.code-block{background:#0a0f1e;border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;font-family:JetBrains Mono,monospace}.code-block-header{padding:8px 16px;background:#ffffff08;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;font-size:.75rem;color:var(--text-muted)}.code-block pre{padding:16px;font-size:.8rem;overflow-x:auto}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}.auth-bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.15;animation:float 6s ease infinite;pointer-events:none}.auth-card{width:100%;max-width:440px;padding:40px;background:var(--bg-card);border:1px solid var(--border-medium);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);position:relative;z-index:1;animation:fadeIn .4s ease both}.explorer-layout{display:grid;grid-template-columns:260px 1fr 340px;height:calc(100vh - var(--topbar-height));overflow:hidden}.explorer-sidebar{border-right:1px solid var(--border-subtle);overflow-y:auto;padding:16px}.explorer-main{overflow:hidden;position:relative;background:var(--bg-primary)}.explorer-panel{border-left:1px solid var(--border-subtle);overflow-y:auto;padding:24px;background:var(--bg-secondary)}.module-card{padding:20px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.module-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--brand-primary),var(--accent-cyan));border-radius:0 3px 3px 0;opacity:0;transition:opacity var(--transition-fast)}.module-card:hover{border-color:var(--border-active);transform:translateY(-2px)}.module-card:hover:before{opacity:1}.module-card.completed{border-color:#10b9814d;background:#10b9810d}.module-card.completed:before{opacity:1;background:var(--accent-green)}.divider{height:1px;background:var(--border-subtle);margin:24px 0}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-brand{color:var(--brand-light)}.text-green{color:var(--accent-green)}.text-cyan{color:var(--accent-cyan)}.text-amber{color:var(--accent-amber)}.text-rose{color:var(--accent-rose)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.w-full{width:100%}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}@keyframes aurora{0%,to{transform:translate(0) scale(1);opacity:.4}25%{transform:translate(40px,-30px) scale(1.1);opacity:.6}50%{transform:translate(-20px,20px) scale(.95);opacity:.3}75%{transform:translate(30px,40px) scale(1.05);opacity:.5}}@keyframes aurora2{0%,to{transform:translate(0) scale(1.1);opacity:.3}33%{transform:translate(-50px,30px) scale(1);opacity:.5}66%{transform:translate(40px,-40px) scale(1.15);opacity:.2}}.aurora-bg{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:0}.aurora-orb{position:absolute;border-radius:50%;filter:blur(100px)}.aurora-orb-1{width:600px;height:600px;top:-200px;left:-100px;background:radial-gradient(circle,rgba(99,102,241,.25) 0%,transparent 70%);animation:aurora 12s ease infinite}.aurora-orb-2{width:500px;height:500px;top:40%;right:-150px;background:radial-gradient(circle,rgba(34,211,238,.15) 0%,transparent 70%);animation:aurora2 15s ease infinite}.aurora-orb-3{width:400px;height:400px;bottom:-100px;left:30%;background:radial-gradient(circle,rgba(139,92,246,.2) 0%,transparent 70%);animation:aurora 18s ease infinite reverse}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.typing-cursor:after{content:"|";animation:blink 1s step-end infinite;color:var(--brand-primary);margin-left:2px}@keyframes countUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.stat-card{position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--brand-primary),transparent);opacity:0;transition:opacity var(--transition-base)}.stat-card:hover:after{opacity:1}@keyframes bobGlow{0%,to{box-shadow:0 0 15px #6366f133,inset 0 0 15px #6366f10d;border-color:#6366f140}50%{box-shadow:0 0 35px #6366f166,inset 0 0 25px #6366f11a;border-color:#6366f180}}.bob-banner{animation:bobGlow 3s ease infinite}.stagger-1{animation-delay:0ms}.stagger-2{animation-delay:80ms}.stagger-3{animation-delay:.16s}.stagger-4{animation-delay:.24s}@keyframes btnShimmer{0%{background-position:-200% center}to{background-position:200% center}}.btn-primary{background-size:200% auto;background-image:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-dark) 40%,#7c3aed 60%,var(--brand-primary) 100%)}.btn-primary:hover{background-image:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-dark) 40%,#7c3aed 60%,var(--brand-primary) 100%);animation:btnShimmer 2s linear infinite;background-size:200% auto}@keyframes toastIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.toast{position:fixed;bottom:24px;right:24px;padding:14px 20px;background:var(--bg-card);border:1px solid var(--border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;font-size:.875rem;animation:toastIn .3s ease both;z-index:9999}.toast-success{border-left:3px solid var(--accent-green)}.toast-error{border-left:3px solid var(--accent-rose)}.toast-info{border-left:3px solid var(--brand-primary)}.repo-card{position:relative;overflow:hidden;transition:all var(--transition-base)}.repo-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(99,102,241,.05),transparent);opacity:0;transition:opacity var(--transition-base)}.repo-card:hover:before{opacity:1}.repo-card:hover{border-color:#6366f14d!important;transform:translateY(-2px);box-shadow:0 8px 30px #0006}@keyframes certificateIn{0%{opacity:0;transform:scale(.85) rotate(-2deg)}to{opacity:1;transform:scale(1) rotate(0)}}.certificate-card{background:linear-gradient(135deg,#0d1528,#111827);border:1px solid rgba(99,102,241,.4);border-radius:var(--radius-xl);padding:40px;text-align:center;position:relative;overflow:hidden;animation:certificateIn .5s cubic-bezier(.34,1.56,.64,1) both}.certificate-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 0deg,transparent 0deg,rgba(99,102,241,.05) 60deg,transparent 120deg);animation:spin 8s linear infinite}@keyframes codeTicker{0%{transform:translate(0)}to{transform:translate(-50%)}}.code-ticker{overflow:hidden;max-width:100%;padding:8px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);background:#6366f108}.code-ticker-inner{display:flex;gap:40px;white-space:nowrap;animation:codeTicker 30s linear infinite;font-family:JetBrains Mono,monospace;font-size:.7rem;color:var(--text-muted)}