.suggestions-container{max-width:800px;margin:0 auto;padding:2rem;color:#f5f5f5}.suggestions-container h1{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.suggestions-container p{opacity:.9;font-size:1.1rem;line-height:1.6}.suggestions-form{background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:2rem}.suggestions-form label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.95rem}.suggestions-form input,.suggestions-form textarea{width:100%;padding:.75rem 1rem;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:8px;color:#fff;font-size:1rem;font-family:inherit}.suggestions-form textarea{resize:vertical;min-height:120px}.suggestions-form input:focus,.suggestions-form textarea:focus{outline:none;border-color:#22d3ee;box-shadow:0 0 0 2px #22d3ee33}.suggestions-form .checkbox-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;font-size:.95rem}.suggestions-form .checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:#22d3ee}.suggestions-form button{width:100%;padding:.875rem 1.5rem;background:#22d3ee;color:#0a0f1a;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.suggestions-form button:hover{background:#38bdf8;transform:translateY(-2px)}.skill-tree-container{min-height:100vh;background:linear-gradient(135deg,#0a0f1a,#1e293b);padding:2rem;color:#fff}.skill-tree-header{text-align:center;margin-bottom:2rem}.skill-tree-header h1{font-size:2.5rem;background:linear-gradient(135deg,#22d3ee,#4ade80);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.skill-tree-header p{color:#94a3b8;font-size:1.1rem}.view-toggle-buttons{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem}.view-btn{padding:.75rem 1.5rem;border:2px solid #22d3ee;background:transparent;color:#22d3ee;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .3s ease;font-weight:600}.view-btn:hover{background:#22d3ee1a;transform:translateY(-2px)}.view-btn.active{background:#22d3ee;color:#0a0f1a;box-shadow:0 0 20px #22d3ee80}.skill-tree-content{background:#1e293b80;border-radius:16px;padding:0;height:calc(100vh - 200px);border:1px solid rgba(34,211,238,.2)}.skill-tree-d3-container{display:flex;flex-direction:column;align-items:center;gap:1rem}.skill-tree-d3-container svg{border-radius:12px;box-shadow:0 8px 32px #0000004d}.skill-tree-3d-container{position:relative;height:100%;width:100%;border-radius:12px;overflow:hidden}.tree-controls{text-align:center;margin-top:1rem;color:#94a3b8;font-size:.9rem}.selected-node-info{position:absolute;bottom:20px;left:50%;transform:translate(-50%);background:#1e293bf2;padding:1.5rem;border-radius:12px;border:2px solid #22d3ee;min-width:300px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10}.selected-node-info h3{margin:0 0 .5rem;color:#22d3ee;font-size:1.2rem}.selected-node-info p{margin:.25rem 0;color:#cbd5e1;font-size:.9rem}.selected-node-info button{margin-top:1rem;padding:.5rem 1rem;background:#22d3ee;color:#0a0f1a;border:none;border-radius:6px;cursor:pointer;font-weight:600;transition:all .3s ease}.selected-node-info button:hover{background:#4ade80;transform:scale(1.05)}.skill-tree-list-container{max-width:900px;margin:0 auto}.list-header{text-align:center;margin-bottom:2rem}.list-header h2{font-size:2rem;color:#22d3ee;margin-bottom:.5rem}.list-header p{color:#94a3b8}.list-content{display:flex;flex-direction:column;gap:2rem}.level-section{background:#0f172a99;border-radius:12px;padding:1.5rem;border:1px solid rgba(34,211,238,.2)}.level-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid rgba(34,211,238,.3)}.level-badge{background:linear-gradient(135deg,#22d3ee,#4ade80);color:#0a0f1a;padding:.5rem 1rem;border-radius:8px;font-weight:700;font-size:1.1rem}.level-count{color:#94a3b8;font-size:.9rem}.skills-list{display:flex;flex-direction:column;gap:1rem}.skill-item{display:flex;justify-content:space-between;align-items:center;background:#1e293b66;padding:1.25rem;border-radius:10px;border:1px solid rgba(34,211,238,.15);transition:all .3s ease}.skill-item:hover{border-color:#22d3ee;background:#1e293b99;transform:translate(8px)}.skill-info{flex:1}.skill-info h3{margin:0 0 .5rem;color:#fff;font-size:1.1rem}.prerequisites{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:.75rem}.prereq-label{color:#94a3b8;font-size:.85rem;font-weight:600}.prereq-tags{display:flex;gap:.5rem;flex-wrap:wrap}.prereq-tag{background:#22d3ee33;color:#22d3ee;padding:.25rem .75rem;border-radius:6px;font-size:.8rem;border:1px solid rgba(34,211,238,.3)}.start-btn{padding:.75rem 1.5rem;background:#22d3ee;color:#0a0f1a;border:none;border-radius:8px;font-weight:700;cursor:pointer;transition:all .3s ease;white-space:nowrap}.start-btn:hover{background:#4ade80;transform:scale(1.05);box-shadow:0 4px 12px #22d3ee66}.list-footer{text-align:center;margin-top:2rem;color:#94a3b8;font-size:.9rem}@media(max-width:768px){.skill-tree-container{padding:1rem}.skill-tree-header h1{font-size:1.8rem}.view-toggle-buttons{flex-direction:column}.skill-tree-3d-container{height:400px}.skill-item{flex-direction:column;align-items:flex-start;gap:1rem}.start-btn{width:100%}}.pricing-container{max-width:1200px;margin:0 auto;padding:2rem;color:#f5f5f5}.pricing-header{text-align:center;margin-bottom:3rem}.pricing-header h1{font-size:3rem;margin-bottom:.5rem}.pricing-header p{font-size:1.2rem;color:#a1a1aa}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem}.pricing-card{background-color:#1a1a1a;border:1px solid #333;border-radius:8px;padding:2rem;display:flex;flex-direction:column}.pricing-card.featured{border-color:#4ade80;box-shadow:0 0 15px #4ade8080}.pricing-card h2{font-size:1.8rem;margin-bottom:1rem}.pricing-card .price{font-size:2.5rem;font-weight:700;margin-bottom:1.5rem}.pricing-card .price span{font-size:1rem;font-weight:400;color:#a1a1aa}.pricing-card ul{list-style:none;padding:0;margin-bottom:2rem;flex-grow:1}.pricing-card ul li{margin-bottom:1rem;padding-left:1.5rem;position:relative}.pricing-card ul li:before{content:"✓";color:#4ade80;position:absolute;left:0}.pricing-card button,.pricing-card .cta-button{background-color:#4ade80;color:#1a1a1a;border:none;padding:1rem;border-radius:4px;font-size:1rem;font-weight:700;text-align:center;-webkit-text-decoration:none;text-decoration:none;cursor:pointer;transition:background-color .3s}.pricing-card button:disabled{background-color:#333;color:#a1a1aa;cursor:not-allowed}.pricing-card .cta-button:hover{background-color:#36b36a}.pricing-footer{text-align:center;margin-top:3rem}.dashboard-container{background:radial-gradient(circle at 20% 30%,rgba(0,255,180,.15),transparent 60%),radial-gradient(circle at 80% 70%,rgba(0,200,255,.1),transparent 60%),linear-gradient(135deg,#0a0f1a,#05070d);color:#f5f5f5;min-height:100vh;width:100%;padding:28px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;margin:0;box-sizing:border-box}.dashboard-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px}.dashboard-topbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.dashboard-settings{position:relative}.settings-button{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:linear-gradient(145deg,#10131b,#1a2031);color:#f5f5f5;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .25s ease;box-shadow:0 10px 20px #00000059}.navbar-settings-button svg{width:40px;height:40px}.settings-button svg{width:20px;height:20px;fill:currentColor}.settings-button:hover{background:linear-gradient(145deg,#1a2234,#111824);color:#4ade80;box-shadow:0 12px 24px #00ffb433}.settings-dropdown{position:absolute;top:calc(100% + 10px);right:0;min-width:220px;padding:14px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:#070a12f5;box-shadow:0 18px 38px #030712a6;display:flex;flex-direction:column;gap:12px;z-index:40}.settings-loading{display:flex;flex-direction:column;gap:8px;padding:6px 4px 4px}.settings-loading-bar{height:10px;border-radius:999px;background:linear-gradient(90deg,#94a3b826,#94a3b859,#94a3b826);background-size:200% 100%;animation:settingsShimmer 1.4s ease infinite}.settings-loading-bar.short{width:70%}@keyframes settingsShimmer{0%{background-position:0% 50%}to{background-position:200% 50%}}.settings-option{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.85rem;color:#e2e8f0}.settings-option span{flex:1}.settings-toggle{position:relative;width:56px;height:26px;display:inline-flex;align-items:center}.settings-toggle input{opacity:0;width:0;height:0}.settings-slider{position:absolute;inset:0;border-radius:999px;background:#94a3b840;border:1px solid rgba(255,255,255,.18);transition:background .2s ease,border .2s ease;cursor:pointer}.settings-slider:before{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#f8fafc;transition:transform .2s ease;box-shadow:0 2px 6px #0f172a73}.settings-toggle input:checked+.settings-slider{background:linear-gradient(135deg,#22d3eea6,#4ade80bf);border-color:#4ade80cc}.settings-toggle input:checked+.settings-slider:before{left:auto;right:3px;transform:none}.settings-toggle input:disabled+.settings-slider{opacity:.5;cursor:not-allowed}.floating-avatar{position:fixed;top:8vh;left:65vw;width:120px;height:120px;z-index:25;animation:floatGhost 90s cubic-bezier(.42,0,.58,1) infinite}.floating-avatar-visual{width:100%;height:100%;border-radius:50%;border:1px solid rgba(74,222,128,.55);background:linear-gradient(135deg,#3b82f64d,#8b5cf659);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 30px #03071299}.floating-avatar-trail{position:absolute;top:-18px;right:-22px;width:70px;height:70px;background:radial-gradient(rgba(59,130,246,.25),transparent);border-radius:50%;filter:blur(16px);animation:trailPulse 8s ease-in-out infinite}.floating-avatar-info{position:absolute;top:115%;left:50%;width:230px;padding:14px;background:#060910f0;border:1px solid rgba(255,255,255,.08);border-radius:12px;box-shadow:0 18px 32px #0307128c;opacity:0;pointer-events:none;transform:translate(-50%,8px);transition:opacity .2s ease,transform .2s ease}.floating-avatar:hover .floating-avatar-info{opacity:1;pointer-events:auto;transform:translate(-50%)}.floating-avatar-name{margin:0 0 6px;font-size:.95rem;text-transform:capitalize;color:#f5f5f5}.floating-avatar-meta{margin:2px 0;font-size:.8rem;color:#cbd5f5}.floating-avatar-link{display:inline-block;margin-top:8px;font-size:.8rem;color:#4ade80;-webkit-text-decoration:none;text-decoration:none}@keyframes floatGhost{0%{transform:translateZ(0) rotate(0)}20%{transform:translate3d(-20vw,12vh,0) rotate(-2deg)}40%{transform:translate3d(18vw,26vh,0) rotate(1deg)}60%{transform:translate3d(-32vw,38vh,0) rotate(-1deg)}80%{transform:translate3d(24vw,-18vh,0) rotate(2deg)}to{transform:translate3d(8vw,6vh,0) rotate(-1deg)}}@keyframes trailPulse{0%{opacity:.7;transform:scale(1)}50%{opacity:.3;transform:scale(1.2)}to{opacity:.7;transform:scale(1)}}.topbar-copy{flex:1}.topbar-greeting{margin:0;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;color:#a3b7ff}.topbar-title{margin:6px 0 14px;font-size:1.8rem;font-weight:600;color:#f5f5f5}.topbar-stats{display:flex;gap:10px;flex-wrap:wrap}.topbar-stats span{padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.07);background:#ffffff05;font-size:.85rem;color:#e2e8f0}.topbar-avatar{position:relative}.avatar-wrapper{width:64px;height:64px;border-radius:50%;border:1px solid rgba(74,222,128,.45);background:linear-gradient(135deg,#3b82f62e,#8b5cf638);display:flex;align-items:center;justify-content:center}.avatar-popover{position:absolute;top:110%;right:0;width:210px;padding:14px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:#070a12f5;box-shadow:0 18px 38px #030712a6;text-align:left;opacity:0;pointer-events:none;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease;z-index:10}.topbar-avatar:hover .avatar-popover{opacity:1;pointer-events:auto;transform:translateY(0)}.avatar-popover-title{margin:0 0 4px;font-size:.95rem;text-transform:capitalize;color:#f5f5f5}.avatar-popover-meta{margin:4px 0;font-size:.8rem;color:#cbd5f5}.avatar-popover-link{display:inline-block;margin-top:10px;font-size:.8rem;color:#4ade80;-webkit-text-decoration:none;text-decoration:none}.dashboard-header{margin-bottom:40px}.dashboard-header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#4ade80,#3b82f6);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px}.dashboard-header p{font-size:1.1rem;color:#94a3b8}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));grid-gap:18px;gap:18px;max-width:1200px;margin:0 auto}.dashboard-grid .user-analytics{grid-column:1 / -1}.stretch-resources-card{grid-column:1 / -1;background:linear-gradient(145deg,#0b101af2,#05070de6);border-radius:18px;border:1px solid rgba(255,255,255,.05);box-shadow:0 25px 50px #0206178c;padding:32px}.stretch-resources-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}.stretch-resources-header h2{margin:0 0 8px;font-size:1.75rem;background:linear-gradient(135deg,#f472b6,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.stretch-resources-header p{margin:0;color:#94a3b8;font-size:1rem}.stretch-badge{padding:6px 14px;border-radius:999px;border:1px dashed rgba(244,114,182,.4);color:#f472b6;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.stretch-resources-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:16px;gap:16px}.stretch-resource-category{background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:16px}.category-heading{display:flex;gap:12px}.category-icon{width:40px;height:40px;border-radius:12px;background:#22d3ee1f;border:1px solid rgba(34,211,238,.2);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.category-heading h3{margin:0;font-size:1.1rem}.category-heading p{margin:4px 0 0;font-size:.9rem;color:#94a3b8}.stretch-resource-category ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.stretch-resource-category li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border-radius:12px;background:#ffffff05;border:1px solid rgba(255,255,255,.05)}.resource-meta{flex:1}.resource-meta a{color:#22d3ee;font-weight:600;-webkit-text-decoration:none;text-decoration:none}resource-meta a:hover{-webkit-text-decoration:underline;text-decoration:underline}.resource-meta p{margin:4px 0 0;font-size:.85rem;color:#94a3b8}.resource-link-arrow{font-size:1.25rem;color:#94a3b8e6}.dashboard-loading,.dashboard-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.1);border-top-color:#4ade80;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideDown{0%{opacity:0;transform:translate(-50%,-60%)}to{opacity:1;transform:translate(-50%,-50%)}}.dashboard-error h2{color:#ef4444;margin-bottom:10px}.dashboard-error button{margin-top:20px;padding:12px 24px;background:linear-gradient(145deg,#1a1f2e,#10131b);color:#f5f5f5;border:none;border-radius:8px;cursor:pointer;font-weight:500;transition:all .25s ease}.dashboard-error button:hover{background:linear-gradient(145deg,#222838,#151820);color:#4ade80}@media(max-width:768px){.dashboard-container{padding:20px}.floating-avatar{display:none}.dashboard-topbar{flex-direction:column;align-items:flex-start}.topbar-avatar{width:100%;display:flex;align-items:center;gap:16px}.avatar-wrapper{width:72px;height:72px}.stretch-resources-card{padding:24px}.stretch-resources-header{flex-direction:column}.stretch-resources-grid{grid-template-columns:1fr}.dashboard-header h1{font-size:2rem}.dashboard-header p{font-size:1rem}}.courses-container{background:radial-gradient(circle at 20% 30%,rgba(0,255,180,.15),transparent 60%),radial-gradient(circle at 80% 70%,rgba(0,200,255,.1),transparent 60%),linear-gradient(135deg,#0a0f1a,#05070d);color:#f5f5f5;min-height:100vh;width:100%;padding:40px 0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;margin:0;box-sizing:border-box;position:relative;left:0;right:0}@media(max-width:768px){.courses-container{padding:20px 0}}.courses-top-section{margin-top:24px}.courses-top-actions{margin-top:12px}.courses-top-stats{margin-top:24px}.courses-stats-stack,.courses-top-stats{transition:transform .6s ease,box-shadow .6s ease,filter .6s ease}.stats-card-celebrate{animation:statsKO 3.2s ease forwards;box-shadow:0 0 25px #ffffff40,0 0 60px #6366f166;filter:drop-shadow(0 0 12px rgba(56,189,248,.4))}@keyframes statsKO{0%{transform:translate(0) scale(1)}30%{transform:translate(-40vw,12vh) scale(1.15) rotate(-1deg)}60%{transform:translate(0) scale(1.05)}to{transform:translate(0) scale(1)}}.stats-celebration-overlay{position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at center,rgba(15,118,255,.25),transparent 65%);display:flex;align-items:center;justify-content:center;z-index:1200;animation:overlayFade 3.2s ease forwards}.stats-celebration-message{font-size:max(1.4rem,min(4vw,3rem));font-weight:700;color:#fdfdfd;text-align:center;text-shadow:0 0 18px rgba(59,130,246,.7),0 0 30px rgba(217,70,239,.6);letter-spacing:1px;animation:textPulse 2.6s ease forwards}@keyframes overlayFade{0%{opacity:0}15%{opacity:1}70%{opacity:.9}to{opacity:0}}@keyframes textPulse{0%{transform:scale(.9);opacity:0}30%{transform:scale(1.07);opacity:1}70%{transform:scale(1.02)}to{transform:scale(1);opacity:0}}.link-button{display:inline-flex;justify-content:center;align-items:center;padding:10px 18px;border-radius:8px;background:linear-gradient(145deg,#1a1f2e,#10131b);color:#f5f5f5;-webkit-text-decoration:none;text-decoration:none;font-weight:500;box-shadow:0 4px 8px #0006,inset 0 1px 1px #ffffff0d;transition:all .25s ease;transform:translate(0);position:relative}.link-button:hover{background:linear-gradient(145deg,#222838,#151820);color:#4ade80;transform:translateY(-2px);box-shadow:0 6px 12px #00ffb433}.link-button:active{transform:translateY(1px);box-shadow:0 2px 4px #0009 inset}.link-button.active{background:linear-gradient(145deg,#22d3ee,#4ade80);color:#0a0f1a;font-weight:600;box-shadow:0 4px 10px #22d3ee66}.courses-heading{font-size:max(24px,min(4vw,36px));font-weight:700;color:#4ade80;margin-bottom:24px;text-align:center}.courses-list{display:grid;grid-gap:24px;gap:24px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));max-width:1400px;margin:0 auto;padding:0 20px;list-style:none}@media(max-width:768px){.courses-list{grid-template-columns:1fr;gap:16px;padding:0}}@media(max-width:640px){.course-card{padding:32px 20px 24px}.course-card-badge-cluster{position:static;margin-bottom:12px;flex-wrap:wrap;justify-content:flex-start;gap:6px}.course-badge{box-shadow:none}}.course-card{background:#ffffff0d;border:1px solid rgba(0,255,180,.15);border-radius:16px;padding:24px;position:relative;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.course-card-badge-cluster{position:absolute;top:-12px;right:12px;display:flex;gap:8px;align-items:center;z-index:10}.course-badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:700;color:#0a0f1a;box-shadow:0 4px 12px #00000040;text-transform:uppercase}.course-badge--free{background:linear-gradient(135deg,#4ade80,#22d3ee);box-shadow:0 4px 12px #4ade804d}.course-badge--premium{background:linear-gradient(135deg,#fbbf24,#8b4513);background:linear-gradient(135deg,var(--color-gold-alt),var(--color-brown));box-shadow:0 4px 12px #fbbf244d}.course-card:hover{transform:translateY(-6px);box-shadow:0 0 20px #00ffb466,0 0 12px #ff69b41f;border-color:#00ffc866}.course-card a{color:#22d3ee;font-weight:600;-webkit-text-decoration:none;text-decoration:none;font-size:1.2rem}.course-card a:hover{color:#4ade80}.course-card p{margin-top:12px;font-size:.95rem;color:#f5f5f5d9}.video-locked{position:relative;max-width:800px;margin:40px auto;border-radius:16px;overflow:hidden;border:1px solid rgba(0,255,180,.2);box-shadow:0 0 20px #00ffb41a}.video-locked video{filter:blur(8px) brightness(.6);pointer-events:none}.video-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0f1aa6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#f5f5f5;text-align:center;padding:20px}.video-overlay h3{font-size:1.5rem;margin-bottom:12px;color:#4ade80}.video-overlay p{font-size:1rem;opacity:.85;margin-bottom:20px}.video-overlay button{background:#22d3ee;color:#0a0f1a;border:none;padding:12px 24px;font-weight:600;border-radius:999px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.video-overlay button:hover{transform:scale(1.05);box-shadow:0 0 12px #22d3ee99}.video-overlay-minimal{position:absolute;inset:0;background:linear-gradient(180deg,#0000004d,#0009,#000c);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;pointer-events:none}.lock-icon{color:#fffc;opacity:.9;filter:drop-shadow(0 0 10px rgba(255,255,255,.3))}.coming-soon-banner{width:100%;background:linear-gradient(90deg,#22d3ee26,#4ade8040,#a78bfa26);color:#f5f5f5;text-align:center;padding:14px 20px;font-size:1.1rem;font-weight:600;letter-spacing:.5px;position:relative;overflow:hidden;box-shadow:inset 0 -1px #ffffff0d}.coming-soon-banner span{background:linear-gradient(90deg,#22d3ee,#4ade80,#a78bfa,#ff69b4);background:linear-gradient(90deg,var(--color-secondary),var(--color-primary),var(--color-purple),var(--color-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.content-pages{display:flex;flex-direction:column;gap:16px}.content-page{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:24px;transition:all .3s ease;position:relative}.content-page:hover{background:#ffffff14;border-color:#00ffb44d;transform:translateY(-2px);box-shadow:0 4px 12px #00ffb41a}.content-page-number{background:#22d3ee;color:#0a0f1a;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:700;flex-shrink:0}.content-page-title{color:#f5f5f5;margin-bottom:8px;font-size:1.2rem;font-weight:600}.content-page-content{opacity:.9;line-height:1.6;font-size:.95rem}.story-beat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;margin-bottom:18px;border-radius:10px;border:1px solid rgba(34,211,238,.2);background:#22d3ee14;font-size:.85rem}.story-beat-progress{display:flex;gap:14px;font-weight:600;color:#f5f5f5d9}.story-beat-toggle{border:1px solid rgba(34,211,238,.4);background:#22d3ee26;color:#22d3ee;border-radius:8px;padding:6px 12px;font-size:.82rem;font-weight:600;cursor:pointer}.story-beat{margin-bottom:18px;transition:opacity .25s ease,filter .25s ease}.story-beat--locked,.story-beat--muted{opacity:.35;filter:blur(1.4px)}.story-beat--active{opacity:1;filter:none}.story-beat-continue{margin-top:14px;padding:8px 16px;background:#22d3ee;color:#0a0f1a;border-radius:8px;border:none;font-size:.85rem;font-weight:600;cursor:pointer}.story-beat-labs-note{margin-bottom:12px;padding:10px 14px;border-radius:10px;border:1px dashed rgba(251,191,36,.4);background:#fbbf2414;color:#fbbf24;color:var(--color-gold-alt);font-size:.85rem}.story-beat-labs-content{transition:opacity .25s ease,filter .25s ease}.story-beat-labs-content--locked{opacity:.4;filter:blur(1.2px)}.content-page-content h1,.content-page-content h2,.content-page-content h3,.content-page-content h4{color:#4ade80;margin-top:16px;margin-bottom:8px}.content-page-content p{margin-bottom:12px}.content-page-content ul,.content-page-content ol{margin-left:20px;margin-bottom:12px}.content-page-content li{margin-bottom:4px}.content-page-content code{background:#00ffb41a;color:#4ade80;padding:2px 6px;border-radius:4px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.85em}.content-page-content pre{background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:16px;overflow-x:auto;margin:16px 0}.content-page-content pre code{background:none;color:#f5f5f5;padding:0}.lab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:20px;gap:20px}.course-page-content .lab-card{position:relative}.lab-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;transition:all .3s ease}.course-lab-badge{position:absolute;top:-12px;right:12px;background:linear-gradient(135deg,#4ade80,#22d3ee);color:#0a0f1a;padding:4px 12px;border-radius:12px;font-size:.75rem;font-weight:700;box-shadow:0 4px 12px #4ade804d;z-index:20}.lab-card:hover{background:#ffffff14;border-color:#00ffb44d;transform:translateY(-2px);box-shadow:0 4px 12px #00ffb41a}.lab-card-inner h3{color:#22d3ee;margin-bottom:8px;font-size:1.1rem;font-weight:600}.lab-card-inner p{opacity:.8;font-size:.9rem;line-height:1.4}.course-page-content{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:32px;margin-bottom:40px;overflow:hidden}.progress-bar{width:100%;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden;margin-bottom:40px}.progress-fill{height:100%;background:linear-gradient(90deg,#22d3ee,#4ade80,#a78bfa);background:linear-gradient(90deg,var(--color-secondary),var(--color-primary),var(--color-purple));transition:width .3s ease}@media(max-width:768px){.content-page{padding:16px}.lab-grid{grid-template-columns:1fr;gap:16px}.lab-card{padding:16px}.course-page-content{padding:20px}}.contact-container{max-width:800px;margin:0 auto;padding:2rem;color:#f5f5f5}.contact-header{text-align:center;margin-bottom:3rem}.contact-header h1{font-size:3rem;margin-bottom:.5rem}.contact-header p{font-size:1.2rem;color:#a1a1aa}.contact-form-container{background-color:#1a1a1a;border:1px solid #333;border-radius:8px;padding:2rem}.contact-form .form-group{margin-bottom:1.5rem}.contact-form label{display:block;margin-bottom:.5rem;font-weight:700}.contact-form input,.contact-form textarea{width:100%;padding:.75rem;border:1px solid #333;border-radius:4px;background-color:#2a2a2a;color:#f5f5f5}.contact-form .submit-button{background-color:#4ade80;color:#1a1a1a;border:none;padding:1rem 2rem;border-radius:4px;font-size:1rem;font-weight:700;cursor:pointer;transition:background-color .3s}.contact-form .submit-button:hover{background-color:#36b36a}.contact-footer{text-align:center;margin-top:3rem}.back-link{color:#a1a1aa;-webkit-text-decoration:none;text-decoration:none;transition:color .3s}.back-link:hover{color:#f5f5f5}.checkout-container{background:radial-gradient(circle at 20% 30%,rgba(0,255,180,.15),transparent 60%),radial-gradient(circle at 80% 70%,rgba(0,200,255,.1),transparent 60%),linear-gradient(135deg,#0a0f1a,#05070d);color:#f5f5f5;min-height:100vh;width:100%;padding:40px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}.checkout-header{text-align:center;margin-bottom:3rem}.checkout-header h1{font-size:max(28px,min(5vw,48px));font-weight:700;margin-bottom:1rem;background:linear-gradient(90deg,#22d3ee,#4ade80);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.checkout-header p{font-size:1.2rem;color:#f5f5f5d9}.checkout-alert{background:#ffffff0d;border:1px solid rgba(0,255,180,.15);border-radius:16px;padding:2rem;text-align:center;max-width:700px;margin:0 auto;box-shadow:0 4px 12px #00ffb41a}.checkout-alert h3{color:#4ade80;font-size:1.5rem;margin-bottom:1rem}.checkout-alert p{color:#f5f5f5d9;line-height:1.6}.checkout-alert code{background:#00ffb41a;color:#4ade80;padding:2px 6px;border-radius:4px;font-family:Monaco,Menlo,monospace;font-size:.85em}.checkout-panel{background:#ffffff0d;border:1px solid rgba(0,255,180,.15);border-radius:16px;padding:2.5rem;max-width:700px;margin:0 auto;box-shadow:0 0 20px #00ffb41a;transition:all .3s ease}.checkout-panel:hover{box-shadow:0 0 30px #00ffb433;border-color:#00ffc84d}.checkout-summary{margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid rgba(0,255,180,.1)}.plan-info{margin-bottom:1.5rem}.plan-name{font-size:1.8rem;font-weight:700;color:#f5f5f5;margin-bottom:.5rem;background:linear-gradient(90deg,#22d3ee,#4ade80);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.plan-price{font-size:2.5rem;font-weight:700;color:#f5f5f5;margin-bottom:.5rem}.checkout-summary ul{list-style:none;padding:0;margin-top:1.5rem}.checkout-summary ul li{margin-bottom:.75rem;padding-left:1.8rem;position:relative;color:#f5f5f5e6;line-height:1.5}.checkout-summary ul li:before{content:"✓";color:#4ade80;position:absolute;left:0;font-weight:700;font-size:1.1rem;text-shadow:0 0 8px rgba(74,222,128,.5)}.pay-button{background:linear-gradient(145deg,#22d3ee,#4ade80);color:#0a0f1a;border:none;padding:1rem 2rem;border-radius:12px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;width:100%;margin-top:1.5rem;box-shadow:0 4px 10px #22d3ee66;letter-spacing:.05em}.pay-button:disabled{background:#ffffff1a;color:#f5f5f566;cursor:not-allowed;box-shadow:none}.pay-button:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 6px 16px #22d3ee99}.pay-button:not(:disabled):active{transform:translateY(0)}.checkout-footer{text-align:center;margin-top:3rem}.back-link{color:#22d3ee;-webkit-text-decoration:none;text-decoration:none;transition:all .3s ease;font-weight:500;display:inline-flex;align-items:center;gap:.5rem}.back-link:hover{color:#4ade80;transform:translate(-4px)}@media(max-width:768px){.checkout-container{padding:20px}.checkout-panel{padding:1.5rem}.checkout-header h1{font-size:2rem}}.lab-grid{display:grid;grid-gap:48px;gap:48px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));padding:20px 0}.lab-card-wrapper{position:relative}.lab-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:0;position:relative;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}.lab-card-lock,.lab-card-cta{overflow:visible}.lab-card--locked .lab-card-lock,.lab-card--locked .lab-card-premium-button{position:absolute;overflow:visible}.lab-card:hover{transform:translateY(-4px);border-color:#fbbf2459;border-color:var(--color-gold-alt-border);box-shadow:0 20px 40px #22d3ee1a,0 0 8px #fbbf2426,0 0 10px #ff69b41f;box-shadow:0 20px 40px #22d3ee1a,var(--shadow-gold-soft),0 0 10px #ff69b41f}.lab-card-bar{position:absolute;top:0;left:0;width:100%;height:3px;border-top-left-radius:16px;border-top-right-radius:16px;overflow:hidden;pointer-events:none;z-index:5;opacity:0;transition:opacity .3s ease}.lab-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#22d3ee,#4ade80,#a78bfa);background:linear-gradient(90deg,var(--color-secondary),var(--color-primary),var(--color-purple));opacity:0;transition:opacity .3s ease}.lab-card:hover:before{opacity:1}.lab-card{overflow:hidden}.lab-card-inner{padding:24px;color:#f5f5f5}.lab-card-inner h3{margin:0 0 8px;font-size:1.25rem;font-weight:600;color:#fff;line-height:1.3}.lab-card .muted{opacity:.7;font-size:.9rem;color:#cbd5e1;margin-bottom:16px;display:flex;align-items:center;gap:8px}.lab-card a{color:#22d3ee;-webkit-text-decoration:none;text-decoration:none;font-weight:500;transition:all .2s ease;display:inline-flex;align-items:center;gap:4px}.lab-card a:hover{color:#4ade80;text-shadow:0 0 10px rgba(74,222,128,.5)}.lab-level{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-left:auto}.lab-level.beginner{background:#4ade8033;color:#4ade80}.lab-level.intermediate{background:#fbbf2433;color:#fbbf24}.lab-level.advanced{background:#ef444433;color:#ef4444}.steps{display:grid;grid-gap:16px;gap:16px;margin-top:24px}.step{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:20px;transition:all .3s ease;position:relative}.step:hover{border-color:#fbbf2433;border-color:var(--color-gold-alt-soft);background:#ffffff14}.step.done{border-color:#4ade8080;background:#4ade801a;box-shadow:0 0 20px #4ade8033}.step-header{display:grid;grid-template-columns:auto 1fr auto;align-items:center;grid-gap:12px;gap:12px;margin-bottom:12px}.step-index{width:32px;height:32px;border-radius:50%;display:grid;align-items:center;justify-items:center;place-items:center;background:linear-gradient(135deg,#22d3ee,#4ade80,#a78bfa);background:linear-gradient(135deg,var(--color-secondary),var(--color-primary),var(--color-purple));color:#0a0f1a;font-weight:700;font-size:.9rem;box-shadow:0 0 15px #22d3ee4d}.step-title{margin:0;color:#fff;font-weight:600}.step-check{display:flex;align-items:center;gap:6px;font-size:.9rem;color:#4ade80}.step-body{color:#cbd5e1;line-height:1.5}.choices{display:grid;grid-gap:8px;gap:8px;margin-top:12px}.choice{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0d;cursor:pointer;transition:all .2s ease;color:#e2e8f0}.choice:hover{border-color:#fbbf2459;border-color:var(--color-gold-alt-border);background:#22d3ee1a}.choice.selected{border-color:#22d3ee;background:#22d3ee33;color:#fff}.quiz-result.ok{color:#4ade80;font-weight:600}.quiz-result.bad{color:#ef4444;font-weight:600}.checklist{padding-left:0;list-style:none}.checklist li{display:flex;align-items:flex-start;gap:8px;padding:8px 0;color:#cbd5e1}.checklist li:before{content:"▶";color:#22d3ee;font-size:.8rem;margin-top:2px;flex-shrink:0}.checklist li.completed:before{content:"✓";color:#4ade80}@media(max-width:768px){.lab-grid{grid-template-columns:1fr;gap:16px}.lab-card-inner{padding:20px}.step{padding:16px}.step-header{grid-template-columns:auto 1fr;gap:8px}}@media(max-width:640px){.lab-grid{gap:24px}.premium-grid{gap:36px}.premium-grid .lab-card{margin-bottom:12px}.lab-card-badge-cluster{position:static;padding:16px 16px 0;flex-wrap:wrap;justify-content:flex-start;gap:8px}.lab-badge{margin-left:0;box-shadow:none}.lab-badge--free,.lab-badge--locked{margin-left:0}.lab-card-inner{padding:20px}.step{padding:16px}.step-header{grid-template-columns:auto 1fr;gap:8px}.lab-card-premium-button{position:static;transform:none;width:100%;margin-top:16px}}.lab-card-inner{padding:24px}.step{padding:20px}.step-header{grid-template-columns:auto 1fr;gap:12px}.fade-in{animation:fadeIn .6s ease-out forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.glow-text{text-shadow:0 0 10px currentColor}.muted{opacity:.7;color:#94a3b8}.link-button{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#e2e8f0;-webkit-text-decoration:none;text-decoration:none;transition:all .3s ease;font-weight:500}.link-button:hover{background:#22d3ee1a;border-color:#fbbf2459;border-color:var(--color-gold-alt-border);color:#22d3ee;transform:translateY(-2px)}.oauth-btns{display:grid;grid-gap:12px;gap:12px;max-width:360px}.oauth-note{font-size:12px;opacity:.7}.oauth-btn{display:flex;align-items:center;gap:10px;width:100%;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.12);cursor:pointer;color:#fff;background:linear-gradient(180deg,#1f2937f2,#111827f2);box-shadow:inset 0 1px #ffffff0f,0 2px 10px #0000004d;font-weight:600;transition:transform .12s ease,box-shadow .2s ease}.oauth-btn:hover{transform:translateY(-1px);box-shadow:inset 0 1px #ffffff14,0 6px 16px #00000059}.oauth-btn__icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px}.oauth-btn__label{flex:1;text-align:center}:root{--color-primary: #4ade80;--color-secondary: #22d3ee;--color-pink: #ff69b4;--color-gold: #d4af37;--color-brown: #8b4513;--color-blue: #1cb0f6;--color-purple: #a78bfa;--color-gold-alt: #fbbf24;--color-gold-alt-soft: rgba(251, 191, 36, .2);--color-gold-alt-border: rgba(251, 191, 36, .35);--shadow-gold-soft: 0 0 8px rgba(251, 191, 36, .15);--color-pink-soft: rgba(255, 105, 180, .12);--color-pink-border: rgba(255, 105, 180, .28);--duolingo-1: #7ac70c;--duolingo-2: #8ee000;--duolingo-3: #faa918;--duolingo-4: #ffc715;--duolingo-5: #d33131;--duolingo-6: #e53838;--duolingo-7: #1cb0f6;--duolingo-8: #14d4f4;--duolingo-9: #8549ba;--duolingo-10: #a560e8;--duolingo-11: #4c4c4c;--duolingo-12: #6f6f6f;--duolingo-13: #cfcfcf;--duolingo-14: #f0f0f0;--duolingo-15: #bff199;--duolingo-16: #f7c8c9;--color-white: #f5f5f5;--color-muted: rgba(245, 245, 245, .85);--text-primary: var(--color-white);--text-muted: #cbd5e1;--focus-outline: 2px solid #4ade80;--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--gradient-primary: linear-gradient(120deg, #4ade80 0%, #22d3ee 20%, var(--color-purple) 100%);--bg-dark: #0a0f1a;--bg-darker: #1a1f2e;--color-gray-400: #94a3b8;--color-gray-500: #64748b}.welcome-signin-link{position:absolute;top:20px;right:20px;z-index:100}.signin-link{padding:10px 20px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#f5f5f5;color:var(--color-white);-webkit-text-decoration:none;text-decoration:none;font-size:14px;font-weight:500;transition:all .2s ease}.signin-link:hover{background:#fff3;border-color:#ffffff4d}.welcome-signup-page{min-height:100vh;background:linear-gradient(135deg,#0a0f1a,#1a1f2e);background:linear-gradient(135deg,var(--bg-dark) 0%,var(--bg-darker) 100%);color:#f5f5f5;padding:60px 20px;display:flex;align-items:center;justify-content:center}.welcome-signup-container{max-width:800px;width:100%}.welcome-hero{text-align:center;margin-bottom:48px}.welcome-hero__title{font-size:max(32px,min(5vw,48px));font-weight:700;margin-bottom:16px;background:linear-gradient(45deg,#4ade80,#22d3ee);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.welcome-hero__subtitle{font-size:max(16px,min(2vw,20px));line-height:1.6;color:#cbd5e1;max-width:700px;margin:0 auto}.welcome-benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:24px;gap:24px;margin-bottom:48px}.welcome-benefit{display:flex;gap:16px;padding:24px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;transition:all .3s ease}.welcome-benefit:hover{background:#ffffff14;border-color:#4ade804d;transform:translateY(-2px)}.welcome-benefit__icon{font-size:32px;flex-shrink:0}.welcome-benefit h3{font-size:18px;font-weight:600;margin-bottom:8px;color:#f5f5f5}.welcome-benefit p{font-size:14px;line-height:1.5;color:#94a3b8;margin:0}.welcome-signup-box{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;text-align:center}.welcome-signup-box h2{font-size:28px;font-weight:700;margin-bottom:12px;color:#f5f5f5}.welcome-signup-box>p{font-size:16px;color:#cbd5e1;margin-bottom:32px}.welcome-oauth-buttons{display:flex;flex-direction:column;gap:12px;max-width:400px;margin:0 auto 24px}.welcome-signup-note{font-size:13px;color:#64748b;margin-top:24px}@media(max-width:768px){.welcome-signin-link{top:10px;right:10px}.welcome-signup-page{padding:40px 16px}.welcome-benefits{grid-template-columns:1fr}.welcome-signup-box{padding:24px}}:root{--bg: #0f1320;--card: #121829;--ink: #e6f1fe;--muted: #93a4c6;--primary: #22d3ee;--accent: #4ade80;--warn: #f59e0b;--error: #ef4444}body{background:#0f1320;background:var(--bg)}.duo-root{min-height:100vh;background:radial-gradient(1200px 600px at 20% -10%,rgba(34,211,238,.12),transparent),radial-gradient(1200px 600px at 90% 0%,rgba(74,222,128,.1),transparent),#0f1320;background:radial-gradient(1200px 600px at 20% -10%,rgba(34,211,238,.12),transparent),radial-gradient(1200px 600px at 90% 0%,rgba(74,222,128,.1),transparent),var(--bg);color:#e6f1fe;color:var(--ink);display:grid;grid-template-rows:auto 1fr auto}.duo-hud{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:16px max(16px,min(4vw,40px))}.duo-hud-left,.duo-hud-right{display:flex;align-items:center;gap:16px}.duo-hud-right{justify-content:flex-end}.duo-link{color:#93a4c6;color:var(--muted);-webkit-text-decoration:none;text-decoration:none;font-weight:600}.duo-link:hover{color:#e6f1fe;color:var(--ink)}.duo-lives .heart{font-size:18px;color:#2a334a;filter:drop-shadow(0 0 0 transparent);transition:all .2s ease}.duo-lives .heart.on{color:#ef4444;color:var(--error);filter:drop-shadow(0 0 10px rgba(239,68,68,.35));transform:translateY(-2px)}.duo-xp{font-weight:800;color:#e6f1fe;color:var(--ink)}.duo-progress{display:grid;grid-gap:6px;gap:6px;justify-items:center}.duo-progress-bar{width:min(560px,68vw);height:10px;background:#1b2135;border-radius:999px;overflow:hidden;border:1px solid #23304f}.duo-progress-fill{height:100%;background:linear-gradient(90deg,#22d3ee,#4ade80);background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .5s ease}.duo-progress-meta{font-size:12px;color:#93a4c6;color:var(--muted)}.duo-mascot-sm{width:48px;height:48px;border-radius:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);display:grid;align-items:center;justify-items:center;place-items:center;overflow:hidden}.duo-mascot{position:fixed;width:140px;height:140px;right:4vw;top:18vh;display:grid;align-items:center;justify-items:center;place-items:center;filter:drop-shadow(0 10px 30px rgba(0,0,0,.35));transition:transform .45s ease;z-index:5;pointer-events:none}.duo-mascot.pos-ask{transform:translateY(0)}.duo-mascot.pos-happy{transform:translateY(-30px) translate(-20px) scale(1.03)}.duo-mascot.pos-partial{transform:translateY(6px) translate(6px) rotate(-2deg) scale(.99)}.duo-mascot.pos-loss{transform:translateY(22px) translate(18px) rotate(6deg) scale(.94);filter:saturate(.75)}.duo-speech{position:absolute;left:-12px;bottom:-22px;background:#0c1224;color:#e6f1fe;color:var(--ink);padding:10px 14px;border-radius:12px;border:1px solid #1b2744;font-size:13px;box-shadow:0 10px 24px #00000040}.duo-stage{display:grid;align-items:center;justify-items:center;place-items:center;padding:20px max(12px,min(3.5vw,28px))}.duo-card{width:min(860px,86vw);background:#121829;background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:max(18px,min(3vw,28px));box-shadow:0 20px 50px #00000059}.duo-card-title{font-size:max(20px,min(3.2vw,28px));font-weight:900;letter-spacing:-.02em;margin-bottom:4px}.duo-card-meta{color:#93a4c6;color:var(--muted);font-size:13px;margin-bottom:16px}.duo-card-body{display:grid;grid-gap:14px;gap:14px}.typing-retry-btn{padding:8px 16px;background:#ffffff14;border:2px solid rgba(255,255,255,.12);border-radius:8px;color:#e6f1fe;color:var(--ink);font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:4px}.typing-retry-btn:hover{background:#ffffff1f;transform:translateY(-2px);border-color:#22d3ee;border-color:var(--primary)}.duo-stage.shake{animation:shake .4s ease}@keyframes shake{0%{transform:translate(0)}25%{transform:translate(-6px)}50%{transform:translate(6px)}75%{transform:translate(-4px)}to{transform:translate(0)}}.duo-bubble{display:grid;grid-template-columns:64px 1fr;grid-gap:12px;gap:12px}.duo-bubble-avatar{width:64px;height:64px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:12px;display:grid;align-items:center;justify-items:center;place-items:center;overflow:hidden}.duo-bubble-text{background:#0c1224;border:1px solid #182240;border-radius:12px;padding:14px 16px;line-height:1.65}.duo-choices{display:grid;grid-gap:12px;gap:12px}.duo-choice{padding:16px 18px;border:2px solid rgba(255,255,255,.12);background:#ffffff0a;border-radius:12px;cursor:pointer;transition:all .2s ease}.duo-choice.active{border-color:#22d3ee;border-color:var(--primary);background:#22d3ee1f}.duo-choice.ok{border-color:#4ade80;border-color:var(--accent);background:#4ade801f}.duo-choice.bad{border-color:#ef4444;border-color:var(--error);background:#ef44441a}.duo-choice.ok-missed{border-color:#f59e0b;border-color:var(--warn);background:#f59e0b1a;opacity:.7}.duo-choice:hover{transform:translateY(-2px)}.rapid-match{display:grid;grid-gap:16px;gap:16px}.rapid-match-play{position:relative;display:grid;grid-gap:16px;gap:16px}.rapid-match-countdown{position:absolute;inset:0;display:grid;align-items:center;justify-items:center;place-items:center;pointer-events:none;z-index:2}.rapid-match-countdown-step{position:absolute;font-size:64px;font-weight:800;color:#e9faff;text-shadow:0 6px 18px rgba(12,18,36,.6);opacity:0;transform:scale(.9);animation:rapidMatchCountdown 2.5s linear forwards}.rapid-match-countdown-one{animation-delay:0s}.rapid-match-countdown-two{animation-delay:.83s}.rapid-match-countdown-three{animation-delay:1.66s}@keyframes rapidMatchCountdown{0%{opacity:0;transform:scale(.85)}10%{opacity:1;transform:scale(1)}30%{opacity:1;transform:scale(1)}40%{opacity:0;transform:scale(.9)}to{opacity:0;transform:scale(.9)}}.rapid-match-prompt{background:#0c1224;border:1px solid #182240;border-radius:12px;padding:14px 16px;line-height:1.6}.rapid-match-flash{background:#22d3ee14;border:1px dashed rgba(34,211,238,.5);border-radius:12px;padding:16px}.rapid-match-slots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.rapid-match-slot{min-height:54px;border:2px dashed rgba(255,255,255,.18);border-radius:12px;display:flex;align-items:center;justify-content:center;padding:12px;font-weight:600;color:#93a4c6;color:var(--muted);background:#ffffff08}.rapid-match-slot.filled{border-color:#22d3ee;border-color:var(--primary);color:#e6f1fe;color:var(--ink);background:#22d3ee1f}.rapid-match-options{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-gap:16px;gap:16px}.rapid-match-column-title{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#93a4c6;color:var(--muted);margin-bottom:8px}.rapid-match-list{display:grid;grid-gap:10px;gap:10px}.rapid-match-option{padding:12px 14px;border:2px solid rgba(255,255,255,.12);border-radius:12px;background:#ffffff0a;cursor:grab;transition:transform .2s ease,border-color .2s ease}.rapid-match-option.hidden{visibility:hidden}.rapid-match-option.removed{display:none}.rapid-match-option:active{cursor:grabbing;transform:scale(.98)}.rapid-match-option:hover{border-color:#22d3ee;border-color:var(--primary)}.duo-choice input[type=checkbox]{margin-right:12px;width:20px;height:20px;cursor:pointer;accent-color:#22d3ee;accent-color:var(--primary)}.duo-task-list{display:flex;flex-wrap:wrap;gap:10px}.duo-task-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.12);background:#ffffff0a;border-radius:999px;padding:8px 12px;cursor:pointer;transition:all .2s}.duo-task-chip .dot{width:8px;height:8px;border-radius:50%;background:#384363}.duo-task-chip.on{border-color:#4ade80;border-color:var(--accent);background:#4ade801f}.duo-task-chip.on .dot{background:#4ade80;background:var(--accent)}.duo-code{display:grid;grid-gap:10px;gap:10px}.duo-code-prompt{color:#93a4c6;color:var(--muted);font-size:14px}.duo-code-textarea{width:100%;min-height:140px;background:#0a0f1f;color:#e6f1fe;color:var(--ink);border:1px solid #223152;border-radius:12px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.duo-fill-blank,.duo-code-output{width:100%}.tui-code-editor{border-radius:8px;overflow:hidden;background:#0a0f1f;border:1px solid #223152;box-shadow:0 4px 20px #0000004d}.tui-header{background:linear-gradient(135deg,#1a1f2e,#0f1423);padding:12px 16px;border-bottom:1px solid #223152;display:flex;align-items:center;justify-content:space-between;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;color:#8b9bb4}.tui-tabs{display:flex;gap:8px}.tui-tab{padding:4px 12px;border-radius:4px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);cursor:pointer;transition:all .2s ease}.tui-tab.active{background:#22d3ee26;border-color:#22d3ee4d;color:#22d3ee}.tui-status{display:flex;gap:12px;align-items:center}.tui-status-item{display:flex;align-items:center;gap:4px}.tui-editor-container{position:relative}.tui-editor{width:100%;min-height:200px;background:#0a0f1f;color:#e2e8f0;border:none;padding:16px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:14px;line-height:1.5;resize:vertical;outline:none}.tui-editor:focus{background:#0a0f1f}.tui-line-numbers{position:absolute;left:0;top:0;bottom:0;width:50px;background:#0d1221;border-right:1px solid #223152;padding:16px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:12px;color:#4a5568;text-align:right;-webkit-user-select:none;-moz-user-select:none;user-select:none}.tui-line-number{height:21px;line-height:21px}.tui-footer{background:#0d1221;padding:8px 16px;border-top:1px solid #223152;display:flex;justify-content:space-between;align-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:11px;color:#64748b}.tui-actions{display:flex;gap:8px}.tui-action-btn{padding:4px 8px;border-radius:4px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#8b9bb4;cursor:pointer;transition:all .2s ease;font-size:11px}.tui-action-btn:hover{background:#ffffff1a;border-color:#fff3}.tui-syntax-highlight{color:#f8fafc}.tui-syntax-keyword{color:#22d3ee}.tui-syntax-string{color:#a3e635}.tui-syntax-number{color:#f59e0b}.tui-syntax-comment{color:#64748b;font-style:italic}.tui-syntax-function{color:#f472b6}.tui-syntax-variable{color:#e2e8f0}.duo-cta{position:sticky;bottom:0;display:grid;align-items:center;justify-items:center;place-items:center;padding:12px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.35))}.duo-btn{border:none;border-radius:12px;padding:14px 22px;font-weight:800;letter-spacing:.2px;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;display:inline-flex;align-items:center;gap:10px}.duo-btn.primary{background:linear-gradient(135deg,#22d3ee,#4ade80);background:linear-gradient(135deg,var(--primary),var(--accent));color:#0b1020;box-shadow:0 12px 28px #22d3ee40}.duo-btn.primary.disabled{filter:grayscale(.6);opacity:.6;cursor:not-allowed}.duo-btn.success{background:linear-gradient(135deg,#4ade80,#22d3ee);background:linear-gradient(135deg,var(--accent),var(--primary));color:#0b1020}.duo-btn.warn{background:linear-gradient(135deg,#f59e0b,#fbbf24);background:linear-gradient(135deg,var(--warn),#fbbf24);color:#0b1020}.duo-btn.subtle{background:#ffffff0f;color:#e6f1fe;color:var(--ink);border:1px solid rgba(255,255,255,.1)}.duo-btn:hover{transform:translateY(-2px)}.duo-dots{display:flex;gap:8px;justify-content:center;padding:18px 0 28px}.duo-dots .dot{width:8px;height:8px;border-radius:999px;background:#2b3653}.duo-dots .dot.on{background:linear-gradient(135deg,#22d3ee,#4ade80);background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 12px #22d3ee59}.duo-avatar-picker{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:12px auto 0}.duo-avatar-chip{border:1px solid rgba(255,255,255,.18);background:#ffffff0a;color:#e6f1fe;color:var(--ink);border-radius:999px;padding:6px 14px 6px 8px;display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;transition:all .2s ease}.duo-avatar-chip:hover{border-color:#22d3ee;border-color:var(--primary);transform:translateY(-1px)}.duo-avatar-chip.is-active{border-color:#4ade80;border-color:var(--accent);background:#4ade8026;color:#e6f1fe;color:var(--ink)}.duo-avatar-chip-swatch{width:20px;height:20px;border-radius:50%;border:1px solid rgba(255,255,255,.2);flex-shrink:0}.duo-avatar-chip-label{font-weight:600;letter-spacing:.01em}.tui-codemirror-container{position:relative;border-radius:0;overflow:hidden;contain:layout style paint;will-change:contents}.tui-codemirror-container.valid{background-color:#4ade801a;box-shadow:inset 0 0 0 2px #4ade804d}.tui-codemirror-container.invalid{background-color:#ef44441a;box-shadow:inset 0 0 0 2px #ef44444d}.tui-codemirror-container .cm-scroller::-webkit-scrollbar{width:10px;height:10px}.tui-codemirror-container .cm-scroller::-webkit-scrollbar-track{background:#0d1221}.tui-codemirror-container .cm-scroller::-webkit-scrollbar-thumb{background:#223152;border-radius:5px}.tui-codemirror-container .cm-scroller::-webkit-scrollbar-thumb:hover{background:#2d3f5f}@media(max-width:600px){.duo-hud{grid-template-columns:1fr;gap:12px;padding:12px max(12px,min(5vw,20px))}.duo-mascot{display:grid;position:absolute;width:112px;height:112px;right:12px;top:190px;transform:none;z-index:6}.duo-speech{position:static;margin-top:6px;font-size:11px;text-align:center}.duo-speech{position:static;margin-top:8px;font-size:11px}.duo-stage{padding:12px max(10px,min(4vw,18px))}.duo-card,.duo-progress-bar{width:100%}.duo-cta{padding:16px;background:linear-gradient(180deg,#000000b3,#000000e6)}.duo-btn{width:100%;justify-content:center}}.typing-test-container{display:grid;grid-gap:20px;gap:20px;padding:16px}.typing-test-header{display:flex;justify-content:space-between;align-items:center;padding:16px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px}.typing-test-stats{display:flex;gap:24px}.stat{display:flex;flex-direction:column;align-items:center;gap:4px}.stat-value{font-size:24px;font-weight:800;color:#22d3ee;color:var(--primary)}.stat-label{font-size:11px;text-transform:uppercase;color:#93a4c6;color:var(--muted);letter-spacing:.05em}.typing-test-timer{display:flex;align-items:center}.timer-display{font-size:32px;font-weight:900;color:#e6f1fe;color:var(--ink);min-width:80px;text-align:center}.timer-warning{color:#f59e0b;color:var(--warn);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.typing-test-text-display{padding:24px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px;font-size:20px;line-height:1.8;font-family:Courier New,monospace;letter-spacing:.02em;min-height:120px;max-width:100%;word-wrap:break-word;word-break:break-word}.typing-char{position:relative;transition:all .15s ease;display:inline;white-space:normal}.typing-char.pending{color:#93a4c6;color:var(--muted)}.typing-char.correct{color:#4ade80;color:var(--accent)}.typing-char.incorrect{color:#ef4444;color:var(--error);background:#ef444426;border-radius:2px}.typing-char.cursor-pos:before{content:"";position:absolute;left:-2px;top:0;bottom:0;width:2px;background:#22d3ee;background:var(--primary);animation:blink 1s infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}.typing-test-input{position:absolute;opacity:0;pointer-events:none}.typing-keyboard{display:grid;grid-gap:8px;gap:8px;padding:20px;background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:12px;justify-items:center}.keyboard-row{display:flex;gap:6px;justify-content:center}.keyboard-key{min-width:40px;height:40px;display:grid;align-items:center;justify-items:center;place-items:center;background:#ffffff0f;border:1px solid rgba(255,255,255,.1);border-radius:6px;font-size:14px;font-weight:600;color:#e6f1fe;color:var(--ink);transition:all .05s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.keyboard-key.key-active{background:#22d3ee;background:var(--primary);color:#000;transform:scale(.95);box-shadow:0 0 20px #22d3ee99;animation:key-flash .1s ease}@keyframes key-flash{0%{transform:scale(1)}50%{transform:scale(.92)}to{transform:scale(.95)}}.keyboard-key.key-space{min-width:200px}.keyboard-key.key-backspace{min-width:80px}.typing-test-complete{padding:16px;background:linear-gradient(135deg,#4ade8026,#22d3ee26);border:1px solid #4ade80;border:1px solid var(--accent);border-radius:12px;text-align:center}.complete-message{font-size:20px;font-weight:700;color:#4ade80;color:var(--accent)}@media(max-width:768px){.typing-test-header{flex-direction:column;gap:16px}.typing-test-stats{gap:16px}.stat-value{font-size:20px}.timer-display{font-size:28px}.typing-test-text-display{font-size:16px;padding:16px}.keyboard-key{min-width:32px;height:36px;font-size:12px}.keyboard-key.key-space{min-width:160px}.keyboard-key.key-backspace{min-width:60px}}.typing-metrics-modal-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.typing-metrics-modal{background:#121829;background:var(--card);border:1px solid rgba(255,255,255,.1);border-radius:16px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:1px solid rgba(255,255,255,.08)}.modal-header h2{margin:0;font-size:24px;font-weight:800;color:#e6f1fe;color:var(--ink)}.modal-close{background:none;border:none;font-size:32px;color:#93a4c6;color:var(--muted);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s}.modal-close:hover{color:#e6f1fe;color:var(--ink)}.modal-body{padding:24px}.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px;margin-bottom:32px}.metric-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:20px;text-align:center}.metric-value{font-size:36px;font-weight:900;color:#22d3ee;color:var(--primary);margin-bottom:8px}.metric-label{font-size:12px;text-transform:uppercase;color:#93a4c6;color:var(--muted);letter-spacing:.05em}.mistakes-breakdown{margin-bottom:32px}.mistakes-breakdown h3{font-size:18px;font-weight:700;color:#e6f1fe;color:var(--ink);margin-bottom:16px}.mistakes-list{display:flex;flex-direction:column;gap:12px}.mistake-item{display:grid;grid-template-columns:40px 1fr 100px;align-items:center;grid-gap:12px;gap:12px}.mistake-key{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ef444426;border:2px solid #ef4444;border:2px solid var(--error);border-radius:8px;font-size:18px;font-weight:700;color:#ef4444;color:var(--error)}.mistake-bar-container{background:#ffffff0d;border-radius:4px;height:24px;overflow:hidden}.mistake-bar{background:linear-gradient(90deg,#ef4444,#ff6b6b);background:linear-gradient(90deg,var(--error),#ff6b6b);height:100%;transition:width .5s ease;border-radius:4px}.mistake-count{font-size:14px;color:#93a4c6;color:var(--muted);text-align:right}.character-stats{padding:20px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px}.character-stats h3{font-size:18px;font-weight:700;color:#e6f1fe;color:var(--ink);margin-bottom:12px}.stats-summary p{margin:8px 0;color:#93a4c6;color:var(--muted);font-size:14px}.modal-footer{display:flex;gap:12px;padding:24px;border-top:1px solid rgba(255,255,255,.08)}.btn-retry,.btn-continue{flex:1;padding:14px 24px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:all .2s;border:none}.btn-retry{background:#ffffff14;color:#e6f1fe;color:var(--ink);border:2px solid rgba(255,255,255,.12)}.btn-retry:hover{background:#ffffff1f;transform:translateY(-2px)}.btn-continue{background:linear-gradient(135deg,#22d3ee,#4ade80);background:linear-gradient(135deg,var(--primary),var(--accent));color:#000;font-weight:800}.btn-continue:hover{transform:translateY(-2px);box-shadow:0 8px 24px #22d3ee4d}@media(max-width:768px){.typing-metrics-modal{max-width:100%;margin:0;border-radius:0;max-height:100vh}.metrics-grid{grid-template-columns:1fr}.metric-value{font-size:28px}.modal-footer{flex-direction:column}.mistake-item{grid-template-columns:36px 1fr 80px}.mistake-key{width:36px;height:36px;font-size:16px}}
