@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700;800&display=swap";:root{--accent-1:#6c63ff;--accent-2:#00d2ff;--accent-grad:linear-gradient(135deg, #6c63ff 0%, #00d2ff 100%);--accent-glow:0 0 40px #6c63ff59;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--info:#3b82f6;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--transition:all .2s cubic-bezier(.4,0,.2,1);--transition-slow:all .4s cubic-bezier(.4,0,.2,1);--sidebar-w:240px}:root.dark{--bg-base:#080b14;--bg-surface:#0d1117;--bg-card:#ffffff0a;--bg-card-hover:#ffffff12;--bg-input:#ffffff0f;--text-primary:#f0f4ff;--text-secondary:#8892aa;--text-muted:#4a5568;--border:#ffffff14;--border-accent:#6c63ff66;--shadow-card:0 4px 24px #0006;--shadow-glow:0 0 60px #6c63ff33}:root.light{--bg-base:#f8f9fd;--bg-surface:#fff;--bg-card:#fff;--bg-card-hover:#f8f9ff;--bg-input:#fff;--text-primary:#1a1d23;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#0000000f;--border-accent:#6c63ff40;--shadow-card:0 10px 40px #0000000a;--shadow-glow:0 0 40px #6c63ff14}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,sans-serif;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:#6c63ff66;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--accent-1)}h1,h2,h3,h4,h5,h6{font-family:Space Grotesk,sans-serif;font-weight:700;line-height:1.2}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;padding:32px;position:relative}.auth-layout{grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.auth-left{background:var(--accent-grad);flex-direction:column;justify-content:center;align-items:center;padding:60px;display:flex;position:relative;overflow:hidden}.auth-left:before{content:"";background:linear-gradient(#0003 0%,#0000 100%);position:absolute;inset:0}.auth-blob{filter:blur(80px);opacity:.3;border-radius:50%;animation:8s ease-in-out infinite alternate blob-drift;position:absolute}@keyframes blob-drift{0%{transform:translate(0)scale(1)}to{transform:translate(30px,20px)scale(1.1)}}.auth-right{background:var(--bg-surface);justify-content:center;align-items:center;padding:60px;display:flex}.auth-card{width:100%;max-width:420px}.glass-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);transition:var(--transition);padding:28px}.glass-card:hover{background:var(--bg-card-hover);border-color:var(--border-accent);box-shadow:var(--shadow-card)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-family:Inter,sans-serif;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn:after{content:"";transition:var(--transition);background:#fff0;position:absolute;inset:0}.btn:hover:after{background:#ffffff14}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled:hover:after{background:0 0}.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 4px 20px #6c63ff66}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 30px #6c63ff99}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-accent)}.btn-danger{color:var(--danger);background:#ef444426;border:1px solid #ef44444d}.btn-danger:hover{background:#ef444440}.btn-success{color:var(--success);background:#22c55e26;border:1px solid #22c55e4d}.btn-success:hover{background:#22c55e40}.btn-sm{border-radius:var(--radius-sm);padding:7px 14px;font-size:13px}.btn-icon{border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);padding:8px}.btn-icon:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-accent)}.input-group{flex-direction:column;gap:6px;display:flex}.input-label{color:var(--text-secondary);letter-spacing:.02em;font-size:13px;font-weight:500}.input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);transition:var(--transition);outline:none;width:100%;padding:12px 16px;font-family:Inter,sans-serif;font-size:14px}.input:focus{border-color:var(--accent-1);background:#6c63ff14;box-shadow:0 0 0 3px #6c63ff26}.input::placeholder{color:var(--text-muted)}.input-wrapper{position:relative}.input-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.input-wrapper .input{padding-left:42px}.input-action{cursor:pointer;color:var(--text-muted);transition:var(--transition);background:0 0;border:none;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.input-action:hover{color:var(--text-primary)}select.input{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238892AA' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:40px}select.input option{background:var(--bg-surface);color:var(--text-primary)}.badge{border-radius:var(--radius-full);letter-spacing:.03em;align-items:center;gap:4px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-purple{color:var(--accent-1);background:#6c63ff33;border:1px solid #6c63ff4d}.badge-blue{color:var(--info);background:#3b82f633;border:1px solid #3b82f64d}.badge-yellow{color:var(--warning);background:#f59e0b33;border:1px solid #f59e0b4d}.badge-red{color:var(--danger);background:#ef444433;border:1px solid #ef44444d}.badge-green{color:var(--success);background:#22c55e33;border:1px solid #22c55e4d}.badge-gray{color:var(--text-secondary);border:1px solid var(--border);background:#ffffff14}.slider{appearance:none;background:var(--border);cursor:pointer;border-radius:6px;outline:none;width:100%;height:6px}.slider::-webkit-slider-thumb{appearance:none;background:var(--accent-grad);cursor:pointer;width:18px;height:18px;transition:var(--transition);border-radius:50%;box-shadow:0 0 10px #6c63ff80}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.progress-bar{background:var(--border);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-fill{background:var(--accent-grad);border-radius:var(--radius-full);height:100%;transition:width .8s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.progress-fill:after{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);width:100%;height:100%;animation:2s infinite shimmer;position:absolute;top:0;left:-100%}@keyframes shimmer{0%{left:-100%}to{left:100%}}.divider{background:var(--border);height:1px;margin:20px 0}.divider-text{color:var(--text-muted);align-items:center;gap:12px;margin:20px 0;font-size:13px;display:flex}.divider-text:before,.divider-text:after{content:"";background:var(--border);flex:1;height:1px}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, #ffffff0f 50%, var(--bg-card) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s infinite skeleton-shine}@keyframes skeleton-shine{0%{background-position:200% 0}to{background-position:-200% 0}}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:480px;box-shadow:0 24px 80px #0009, var(--shadow-glow);padding:36px}.page-header{margin-bottom:32px}.page-title{letter-spacing:-.02em;background:var(--accent-grad);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:6px;font-size:28px;font-weight:800}.page-subtitle{color:var(--text-secondary);font-size:14px}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-20{gap:20px}.gap-24{gap:24px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mt-24{margin-top:24px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.mb-24{margin-bottom:24px}.text-sm{font-size:13px}.text-base{font-size:14px}.text-lg{font-size:16px}.text-xl{font-size:20px}.text-2xl{font-size:24px}.text-muted{color:var(--text-secondary)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.font-medium{font-weight:500}.font-semi{font-weight:600}.font-bold{font-weight:700}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:60px 20px;display:flex}.empty-icon{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:8px;font-size:32px;display:flex}.dot{border-radius:50%;width:8px;height:8px;display:inline-block}.dot-success{background:var(--success);box-shadow:0 0 8px var(--success)}.dot-warning{background:var(--warning);box-shadow:0 0 8px var(--warning)}.dot-danger{background:var(--danger);box-shadow:0 0 8px var(--danger)}.difficulty-bar{align-items:center;gap:3px;display:flex}.difficulty-segment{background:var(--border);height:6px;transition:var(--transition);border-radius:3px;flex:1}.timeline-line{background:var(--border);width:2px;position:absolute;top:0;bottom:0;left:20px}.timeline-dot{border:2px solid var(--accent-1);background:var(--bg-base);z-index:1;border-radius:50%;flex-shrink:0;width:10px;height:10px;position:relative}.glow-orb{filter:blur(120px);pointer-events:none;z-index:0;border-radius:50%;position:fixed}@media (width<=768px){.main-content{margin-left:0;padding:80px 16px 32px}.auth-layout{grid-template-columns:1fr}.auth-left{display:none}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.auth-right{padding:40px 20px}.glass-card{padding:20px}:root{--sidebar-w:0}}#root{min-height:100vh}