:root{--editorial-black: #1a1a1a;--editorial-gray: #666;--editorial-light: #f5f5f5;--editorial-accent: #c41e3a;--editorial-line: #e0e0e0}body{background:#fff;overflow-x:hidden}.container{max-width:none;padding:0}header,footer{display:none}.progress-bar{position:fixed;top:0;left:0;height:2px;background:var(--editorial-accent);z-index:1000;transition:width .1s}.floating-nav{position:fixed;top:2rem;left:2rem;z-index:100}.floating-btn{display:inline-block;background:#fff;border:1px solid var(--editorial-line);padding:.5rem 1rem;font-size:.8rem;color:var(--editorial-gray);text-decoration:none;transition:all .2s;min-height:44px;min-width:44px;line-height:1.5}.floating-btn:hover{border-color:var(--editorial-black);color:var(--editorial-black)}.floating-btn:focus-visible{outline:2px solid var(--editorial-accent);outline-offset:2px}.editorial-section{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:6rem 2rem;position:relative}.editorial-inner{max-width:720px;margin:0 auto;width:100%}.editorial-hero{background:var(--editorial-black);color:#fff;text-align:center}.editorial-hero .lesson-number{font-size:.75rem;text-transform:uppercase;letter-spacing:.3em;color:#ffffff80;margin-bottom:2rem}.editorial-hero h1{font-size:clamp(3rem,10vw,6rem);font-weight:300;letter-spacing:-.02em;line-height:1.1;margin-bottom:2rem;color:#fff}.editorial-hero .lead{font-size:1.25rem;font-weight:300;color:#ffffffb3;max-width:500px;margin:0 auto;line-height:1.6}.scroll-indicator{position:absolute;bottom:3rem;left:50%;transform:translate(-50%);font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:#fff6}.scroll-indicator:after{content:"";display:block;width:1px;height:40px;background:#ffffff4d;margin:1rem auto 0}.chapter-header{border-bottom:1px solid var(--editorial-line);padding-bottom:1rem;margin-bottom:3rem}.chapter-number{font-size:.7rem;text-transform:uppercase;letter-spacing:.3em;color:var(--editorial-accent);margin-bottom:.5rem}.chapter-title{font-size:2.5rem;font-weight:300;letter-spacing:-.02em;color:var(--editorial-black);margin:0}.narrative{font-size:1.2rem;line-height:1.9;color:var(--editorial-gray);margin-bottom:3rem}.narrative strong{color:var(--editorial-black);font-weight:500}.phrase-display,.word-display{text-align:center;padding:4rem 0;margin:2rem 0;border-top:1px solid var(--editorial-line);border-bottom:1px solid var(--editorial-line)}.phrase-russian,.word-russian{font-size:clamp(1.5rem,6vw,2.5rem);font-family:var(--font-serif);font-weight:400;color:var(--editorial-black);cursor:pointer;transition:color .2s;display:block;line-height:1.3}.phrase-russian:hover,.word-russian:hover{color:var(--editorial-accent)}.phrase-translation,.word-translation{font-size:1.25rem;color:var(--editorial-gray);margin-top:1rem;font-weight:300}.word-phonetic{font-family:SF Mono,Monaco,monospace;font-size:1rem;color:var(--editorial-gray);margin-top:1.5rem;letter-spacing:.1em}.editorial-aside{background:var(--editorial-light);padding:2rem;margin:3rem 0;border-left:3px solid var(--editorial-accent)}.editorial-aside-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--editorial-accent);margin-bottom:1rem}.editorial-aside p{font-size:1rem;line-height:1.7;color:var(--editorial-black);margin:0}.interlude{background:var(--editorial-black);color:#fff;text-align:center;min-height:50vh}.interlude h2{font-size:2rem;font-weight:300;color:#fff;margin-bottom:1rem}.interlude p{font-size:1.1rem;color:#fff9;max-width:400px;margin:0 auto}.exercise-section{background:var(--editorial-light);border-top:1px solid var(--editorial-line);border-bottom:1px solid var(--editorial-line)}.exercise-frame{background:#fff;border:1px solid var(--editorial-line);padding:3rem;max-width:600px;margin:0 auto}.exercise-header{text-align:center;margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--editorial-line)}.exercise-type{font-size:.7rem;text-transform:uppercase;letter-spacing:.3em;color:var(--editorial-accent);margin-bottom:.5rem}.exercise-title{font-size:1.5rem;font-weight:300;color:var(--editorial-black);margin:0}.exercise-body{min-height:300px}.completion-section{background:var(--editorial-light);min-height:auto;padding:4rem 2rem}.complete-lesson-btn{background:var(--editorial-black);color:#fff;border:none;padding:1rem 3rem;font-size:1.1rem;cursor:pointer;transition:all .3s}.complete-lesson-btn:hover{background:var(--editorial-accent);transform:translateY(-2px)}.complete-lesson-btn:focus-visible{outline:2px solid var(--editorial-accent);outline-offset:2px}.complete-lesson-btn.completed{background:#2ecc71;cursor:default}.complete-lesson-btn.completed:hover{transform:none}.completion-requirements{display:flex;justify-content:center;gap:2rem;margin-top:1.5rem;font-size:.9rem;color:var(--editorial-gray)}.completion-req-item{display:flex;align-items:center;gap:.5rem}.completion-req-item.met{color:#2ecc71}.completion-req-item .req-icon{font-size:1rem}.nav-section{background:#fff;padding:4rem 2rem;min-height:auto}.lesson-nav{display:flex;justify-content:space-between;align-items:center;padding:var(--space-m, 1rem) 0;border-top:1px solid var(--editorial-line);margin-top:var(--space-xl, 2rem)}.lesson-nav-item{text-decoration:none;color:var(--editorial-gray);display:flex;flex-direction:column;gap:.25rem;transition:color .2s}.lesson-nav-item:hover{color:var(--editorial-accent)}.lesson-nav-item:focus-visible{outline:2px solid var(--editorial-accent);outline-offset:4px}.reveal{opacity:0;transform:translateY(30px);transition:all .6s ease;animation:reveal-fallback .6s ease 2s forwards}.reveal.visible{opacity:1;transform:translateY(0);animation:none}@keyframes reveal-fallback{to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;animation:none}}*:focus-visible{outline:2px solid var(--editorial-accent);outline-offset:2px}*:focus:not(:focus-visible){outline:none}[onclick],[role=button]{cursor:pointer}@media(max-width:768px){.editorial-section{padding:4rem 1.5rem}.floating-nav{top:1rem;left:1rem}.floating-btn{padding:.75rem 1rem;font-size:.85rem}.exercise-frame{padding:2rem 1.5rem}.completion-requirements{flex-direction:column;gap:.75rem;align-items:center}.lesson-nav{flex-direction:column;gap:1.5rem;text-align:center}}:root{--bg-paper: #f9f9f7;--bg-card: #ffffff;--text-ink: #2b2b2b;--text-faded: #666666;--text-light: #999999;--accent-red: #a33e3e;--accent-red-dark: #803030;--accent-blue: #2c3e50;--accent-blue-light: #3498db;--accent-gold: #D4AF37;--line-color: #e0e0e0;--color-success: #27ae60;--color-success-bg: #e8f5e9;--color-error: #c0392b;--color-error-bg: #ffebee;--color-warning: #f39c12;--color-warning-bg: #fff3cd;--font-serif: "Georgia", "Times New Roman", serif;--font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;--space-xs: 8px;--space-s: 16px;--space-m: 24px;--space-l: 32px;--space-xl: 64px;--border-radius: 4px;--border-radius-lg: 8px}[data-theme=dark]{--bg-paper: #1a1a1a;--bg-card: #252525;--text-ink: #f0f0f0;--text-faded: #cccccc;--text-light: #999999;--line-color: #333333;--accent-red: #e66b6b;--accent-blue: #3498db}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-paper: #1a1a1a;--bg-card: #252525;--text-ink: #f0f0f0;--text-faded: #cccccc;--text-light: #999999;--line-color: #333333;--accent-red: #e66b6b;--accent-blue: #3498db}}*{box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--bg-paper);color:var(--text-ink);line-height:1.6;margin:0;padding:0;-webkit-font-smoothing:antialiased}.container{max-width:1100px;margin:0 auto;padding:0 var(--space-m)}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--accent-blue-light);outline-offset:2px}input:focus,button:focus,a:focus{outline:none}input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--accent-blue-light)}.content-block{display:grid;grid-template-columns:1fr 280px;gap:var(--space-xl);margin-bottom:var(--space-xl)}.content-main{grid-column:1 / 2}.content-note{grid-column:2 / 3;padding-top:60px}@media(max-width:900px){.content-block{grid-template-columns:1fr;gap:var(--space-m)}.content-note{grid-column:1 / -1;padding-top:var(--space-s);border-left:none;border-top:2px solid var(--accent-red);background:#00000005;padding:var(--space-s);margin-bottom:var(--space-l)}}header{padding:40px 0;border-bottom:1px solid var(--text-ink);margin-bottom:40px;display:flex;justify-content:space-between;align-items:center}.header-right{display:flex;align-items:center;gap:var(--space-m)}.theme-toggle{background:none;border:none;cursor:pointer;color:var(--text-ink);padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color .2s,transform .2s}.theme-toggle:hover{background-color:#0000000d}[data-theme=dark] .theme-toggle:hover{background-color:#ffffff1a}.theme-toggle .sun{display:block}.theme-toggle .moon,[data-theme=dark] .theme-toggle .sun{display:none}[data-theme=dark] .theme-toggle .moon{display:block}.logo{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-ink);text-decoration:none}nav a{margin-left:20px;text-decoration:none;color:var(--text-faded);font-size:.9rem;transition:color .2s}@media(hover:hover){nav a:hover{color:var(--text-ink)}}nav a.active{color:var(--text-ink)}.lang-switch{font-size:.875rem;display:flex;gap:var(--space-s)}.lang-opt{cursor:pointer;opacity:.5;transition:opacity .2s;text-transform:uppercase;letter-spacing:.1em}.lang-opt.active{opacity:1;font-weight:600;border-bottom:1px solid var(--accent-red)}.menu-toggle,.mobile-drawer,.drawer-overlay{display:none}h1{font-family:var(--font-serif);font-size:3rem;font-weight:400;line-height:1.1;margin:0 0 var(--space-l) 0}h2{font-family:var(--font-serif);font-size:1.75rem;font-weight:400;margin:var(--space-xl) 0 var(--space-m) 0;border-bottom:1px solid var(--line-color);padding-bottom:var(--space-s);display:flex;justify-content:space-between;align-items:baseline}h2:first-child{margin-top:0}h3{font-family:var(--font-sans);font-size:1.1rem;font-weight:600;margin:var(--space-m) 0 var(--space-xs) 0;color:var(--text-ink)}p.lead{font-size:1.25rem;color:var(--text-faded);margin-bottom:var(--space-l);font-family:var(--font-serif)}.chapter-num{font-family:var(--font-sans);font-size:.875rem;color:var(--text-faded);text-transform:uppercase;letter-spacing:.1em}.module-list{list-style:none;padding:0}.module-item{padding:var(--space-m) 0;border-bottom:1px solid var(--line-color);transition:background-color .3s}@media(hover:hover){.module-item:hover{background-color:#00000005}}.module-link{text-decoration:none;color:inherit;display:block}.module-meta{font-size:.875rem;color:var(--text-faded);margin-top:var(--space-xs);display:block}.tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;padding:2px 6px;border:1px solid var(--line-color);border-radius:2px;margin-right:var(--space-xs);vertical-align:middle}.tag.active{border-color:var(--accent-red);color:var(--accent-red)}.margin-note{font-size:.85rem;color:var(--text-faded);margin-bottom:var(--space-m);background:var(--bg-card);border:1px solid var(--line-color);padding:var(--space-s);font-family:var(--font-serif);font-style:italic;box-shadow:0 2px 5px #00000008}.margin-note strong{font-family:var(--font-sans);font-style:normal;display:block;margin-bottom:4px;color:var(--text-ink);font-weight:600}.visual-concept{margin:var(--space-l) 0;position:relative;max-width:100%;overflow:hidden}.visual-concept img{max-width:100%;height:auto;display:block;margin:0 auto}.visual-image{width:100%;height:auto;border-radius:var(--border-radius);box-shadow:0 4px 12px #0000001a;display:block}img{max-width:100%;height:auto}.img-placeholder{background-color:#f0f0f0;border:2px dashed #ccc;padding:40px;text-align:center;color:var(--text-faded);font-family:monospace;margin:var(--space-l) 0;display:flex;flex-direction:column;align-items:center;justify-content:center}.img-placeholder-icon{font-size:2rem;margin-bottom:var(--space-s);opacity:.5}.img-placeholder-prompt{font-weight:700;margin-bottom:var(--space-xs)}.img-placeholder-desc{font-size:.9rem;max-width:80%}.btn{display:inline-block;padding:10px 20px;background-color:var(--accent-red);color:#fff;border:none;cursor:pointer;font-size:1em;transition:background .3s;text-decoration:none;font-family:var(--font-sans)}@media(hover:hover){.btn:hover{background-color:var(--accent-red-dark)}}.btn-outline{background:transparent;border:2px solid var(--accent-red);color:var(--accent-red)}.btn-outline:hover{background:var(--accent-red);color:#fff}footer{margin-top:80px;padding:40px 0;border-top:1px solid var(--text-ink);display:flex;justify-content:space-between;font-size:.875rem;color:var(--text-faded)}.analogy-box{background:#f8f9fa;border:1px solid var(--line-color);padding:20px;margin:20px 0;color:#555;font-style:italic;box-shadow:0 2px 5px #00000008}.text-center{text-align:center}.mt-s{margin-top:var(--space-s)}.mt-m{margin-top:var(--space-m)}.mt-l{margin-top:var(--space-l)}.mb-s{margin-bottom:var(--space-s)}.mb-m{margin-bottom:var(--space-m)}#intonation-game{position:relative;width:100%;height:300px;background:var(--bg-paper);overflow:hidden;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;touch-action:none;box-shadow:inset 0 0 20px #0000000d;border:1px solid var(--line-color)}.intonation-string{position:absolute;top:50%;left:0;width:100%;height:1px;background:#0000001a;pointer-events:none}.intonation-letters{position:relative;display:flex;justify-content:center;gap:2px;z-index:2;pointer-events:none}.intonation-char{display:inline-block;font-family:var(--font-serif);font-size:4rem;font-weight:700;color:var(--text-ink);position:relative;transform-origin:center center;will-change:transform;cursor:default}.intonation-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#fffc;display:flex;align-items:center;justify-content:center;z-index:10;cursor:pointer;transition:opacity .3s ease}.intonation-overlay span{background:var(--accent-red);color:#fff;padding:10px 20px;border-radius:20px;font-family:var(--font-sans);font-weight:600;box-shadow:0 4px 10px #0003;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}@media(max-width:600px){#intonation-game{height:200px}.intonation-char{font-size:2rem}}@media(max-width:768px){:root{--space-xl: 40px;--space-l: 24px;--space-m: 16px;--space-s: 12px}.container{padding:0 var(--space-s)}header{padding:var(--space-m) 0;margin-bottom:var(--space-m);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line-color)}.logo{font-size:1.25rem;z-index:1001}nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:space-around;width:30px;height:24px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001}.menu-toggle span{width:30px;height:2px;background:var(--text-ink);border-radius:10px;transition:all .3s linear;position:relative;transform-origin:1px}.menu-toggle.open span:first-child{transform:rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:rotate(-45deg)}.mobile-drawer{position:fixed;top:0;right:-100%;width:80%;height:100vh;background:var(--bg-paper);z-index:1000;display:flex;flex-direction:column;padding:80px var(--space-m) 40px var(--space-m);transition:right .3s ease-in-out;box-shadow:-5px 0 15px #0000001a;border-left:1px solid var(--line-color)}.mobile-drawer.open{right:0}.mobile-drawer a{font-family:var(--font-serif);font-size:1.5rem;text-decoration:none;color:var(--text-ink);margin-bottom:var(--space-l);border-bottom:1px solid transparent;width:fit-content}.mobile-drawer a.active{color:var(--accent-red);border-bottom-color:var(--accent-red)}.drawer-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:999;display:none;opacity:0;transition:opacity .3s ease}.drawer-overlay.open{display:block;opacity:1}h1{font-size:2rem}h2{font-size:1.5rem;flex-direction:column;align-items:flex-start;gap:var(--space-xs)}p.lead{font-size:1.1rem;margin-bottom:var(--space-m)}footer{flex-direction:column;gap:var(--space-m);text-align:center}footer div:last-child{display:flex;flex-direction:column;gap:var(--space-s)}footer a{margin-left:0!important}.visual-concept{margin:var(--space-m) 0}.visual-concept img{border-radius:4px}img{max-width:100%;height:auto;display:block}.metaphor-card img,.practice-card img{width:100%;height:auto;object-fit:cover}}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-l);margin-top:var(--space-l)}.article-card{background:var(--bg-card);border:1px solid var(--line-color);padding:var(--space-m);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit;display:flex;flex-direction:column}@media(hover:hover){.article-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #0000000d}}.article-card h3{margin-top:0;font-size:1.25rem;color:var(--accent-blue)}.article-card p{color:var(--text-faded);font-size:.9rem;flex-grow:1}.article-meta{margin-top:var(--space-s);font-size:.8rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.05em}.quiz-container{background:#fff;border:1px solid var(--line-color);padding:var(--space-l);margin:var(--space-l) 0;box-shadow:0 4px 12px #00000008}.quiz-start,.quiz-result{text-align:center}.quiz-question-card{animation:fadeIn .3s ease}.quiz-progress{font-size:.8rem;color:var(--text-light);margin-bottom:var(--space-s);text-transform:uppercase}.quiz-question-text{font-size:1.2rem;margin-bottom:var(--space-m);font-family:var(--font-serif)}.quiz-options{display:flex;flex-direction:column;gap:var(--space-s)}.quiz-option{padding:12px 16px;border:2px solid var(--line-color);cursor:pointer;transition:all .2s;font-family:var(--font-sans)}.quiz-option:hover:not(.selected){background-color:#f5f5f5;border-color:#ccc}.quiz-option.selected{cursor:default}.quiz-option.correct{background-color:var(--color-success-bg);border-color:var(--color-success);color:var(--color-success)}.quiz-option.wrong{background-color:var(--color-error-bg);border-color:var(--color-error);color:var(--color-error)}.quiz-feedback{margin-top:var(--space-m);padding:var(--space-s);font-size:.95rem}.quiz-feedback.success{background-color:var(--color-success-bg);color:#1e8449}.quiz-feedback.error{background-color:var(--color-error-bg);color:#c0392b}.quiz-next-btn{margin-top:var(--space-m)}.quiz-score{font-size:3rem;font-weight:700;color:var(--accent-blue);margin:var(--space-m) 0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.style-topographic{background-color:#fff;background-image:url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h100v100H0z' fill='%23ffffff'/%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23e0e0e0' fill-opacity='0.4' fill-rule='evenodd'/%3E%3C/svg%3E");border:1px solid rgba(0,0,0,.08);padding:24px;margin-bottom:20px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008,inset 0 1px #fffc;position:relative;transition:transform .2s ease,box-shadow .2s ease}@media(hover:hover){.style-topographic:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000000d,0 4px 6px -2px #00000006}}.style-topographic:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#00000005,#0000000d,#00000005);opacity:.5;border-radius:12px 12px 0 0}.style-topographic h3,.style-topographic .soul-word{margin-top:0;color:var(--text-ink);font-family:var(--font-serif);border-bottom:1px solid rgba(0,0,0,.05);padding-bottom:10px;margin-bottom:15px}.inline-quiz{background:#f8f9fa;border:1px solid var(--line-color);padding:var(--space-m);margin:var(--space-l) 0;box-shadow:0 2px 8px #0000000d}.inline-question{display:block;font-weight:600;margin-bottom:var(--space-s);color:var(--text-ink);font-family:var(--font-serif)}.inline-options{display:flex;gap:var(--space-s);flex-wrap:wrap;margin-bottom:var(--space-s)}.inline-btn{padding:10px 20px;background:#fff;border:2px solid var(--line-color);cursor:pointer;font-size:.95rem;font-family:var(--font-sans);color:var(--text-ink);transition:all .2s ease;flex:1;min-width:120px}.inline-btn:hover{border-color:var(--accent-blue);background:#f0f8ff;transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.inline-feedback{margin-top:var(--space-s);padding:var(--space-s);font-size:.9rem;display:none}.inline-feedback.correct{display:block;background:var(--color-success-bg);color:var(--color-success);border:1px solid var(--color-success)}.inline-feedback.incorrect{display:block;background:var(--color-error-bg);color:var(--color-error);border:1px solid var(--color-error)}.visual-concept a{display:block;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}.visual-concept a:hover{transform:translateY(-2px)}.visual-concept a:hover .visual-image{box-shadow:0 6px 20px #00000026}.visual-concept #intonation-game{margin:0}.game-container{background:var(--bg-card);border:1px solid var(--line-color);padding:var(--space-l);margin:var(--space-l) 0;box-shadow:0 2px 8px #0000000d;transition:box-shadow .3s ease}.game-container:hover{box-shadow:0 4px 16px #00000014}.word-card,.option-chip,.place-card{transition:all .3s cubic-bezier(.4,0,.2,1);touch-action:none;user-select:none;-webkit-user-select:none}.word-card:hover,.option-chip:hover,.place-card:hover{transform:translateY(-3px);box-shadow:0 6px 12px #00000026}.word-card:active,.option-chip:active,.place-card:active{transform:scale(.98);box-shadow:0 2px 4px #0000001a}.drop-slot,.drop-column,.container-box,.container-surface{transition:all .3s ease}.drop-slot.hovered,.drop-column.drag-over{transform:scale(1.02);box-shadow:0 0 0 3px #2c3e501a}@keyframes successPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.word-card.correct,.option-chip.correct,.place-card.correct{animation:successPulse .5s ease}.btn-nav,.case-btn,.check-btn,.word-option{min-height:44px;min-width:44px;transition:all .2s cubic-bezier(.4,0,.2,1)}.btn-nav:hover:not(:disabled),.case-btn:hover,.check-btn:hover,.word-option:hover{transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.btn-nav:active:not(:disabled),.case-btn:active,.check-btn:active,.word-option:active{transform:translateY(0);box-shadow:0 2px 4px #0000001a}.feedback,.feedback-box{border-radius:var(--border-radius);padding:var(--space-m);margin-top:var(--space-m);font-weight:500;animation:slideIn .3s ease}.feedback.correct,.feedback-box.correct{background:var(--color-success-bg);border:2px solid var(--color-success);color:var(--color-success)}.feedback.incorrect,.feedback-box.incorrect{background:var(--color-error-bg);border:2px solid var(--color-error);color:var(--color-error)}@media(max-width:768px){table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}.comparison-table,.table-forms{font-size:.9rem}.comparison-table th,.comparison-table td,.table-forms th,.table-forms td{padding:8px}}@media(max-width:768px){.game-container{padding:var(--space-m)}.comparison-grid,.rule-grid,.v-na-game{grid-template-columns:1fr!important;gap:var(--space-m)}.word-option,.case-btn,.inline-btn{padding:12px 20px;font-size:1rem;min-height:48px}.input-field{font-size:16px;padding:14px}.quiz-options,.inline-options{gap:var(--space-m)}.presentation-container{padding:var(--space-m);min-height:400px}.slide-title{font-size:1.75rem}.slide-content{font-size:1rem}.dk-sentence{font-size:1.25rem}.case-options{grid-template-columns:1fr;gap:var(--space-s)}.options-pool{padding:var(--space-s);gap:var(--space-s)}.sentence-strip{padding:var(--space-s);font-size:1rem}.drop-slot{width:120px;height:44px;line-height:40px}.drop-column{min-height:150px}.word-bank{min-height:auto!important;padding:var(--space-s)!important}.practice-container,.transformation-exercise{padding:var(--space-m)}.theory-block,.detective-box{padding:var(--space-m);margin-bottom:var(--space-m)}}@media(hover:none)and (pointer:coarse){.word-card,.option-chip,.place-card{cursor:default}button,.btn,.word-option,.case-btn{min-height:48px;padding:14px 24px}.word-card:hover,.option-chip:hover,.place-card:hover{transform:none;box-shadow:0 2px 5px #0000001a}}html{scroll-behavior:smooth}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.loading{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:1000px 100%;animation:shimmer 2s infinite}.vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-m);margin:var(--space-l) 0}.vocab-card{background:var(--bg-card);border:1px solid var(--line-color);padding:var(--space-m);transition:transform .2s,box-shadow .2s}.vocab-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.vocab-russian{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xs)}.vocab-word{font-size:1.5rem;font-family:var(--font-serif);color:var(--text-ink);cursor:pointer;transition:color .2s}.vocab-word:hover{color:var(--accent-red)}.vocab-transcription{font-family:monospace;font-size:.9rem;color:var(--text-light);margin-bottom:var(--space-xs)}.vocab-danish{font-size:1.1rem;color:var(--text-faded);padding-top:var(--space-xs);border-top:1px solid var(--line-color)}.vocab-example{margin-top:var(--space-s);padding:var(--space-s);background:var(--bg-paper);font-size:.9rem}.example-russian{color:var(--text-ink);margin-bottom:4px}.speak-btn{background:none;border:2px solid var(--line-color);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--accent-blue);transition:all .2s}.speak-btn:hover{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.speak-mini{background:none;border:none;padding:4px;cursor:pointer;color:var(--text-light);transition:color .2s}.speak-mini:hover{color:var(--accent-blue)}.speak-sentence-btn,.speak-line-btn{background:none;border:1px solid var(--line-color);border-radius:4px;padding:6px 10px;cursor:pointer;color:var(--text-faded);transition:all .2s;margin-left:var(--space-xs)}.speak-sentence-btn:hover,.speak-line-btn:hover{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.exercise-container{background:var(--bg-card);border:1px solid var(--line-color);padding:var(--space-l);margin:var(--space-l) 0;box-shadow:0 2px 8px #0000000a}.exercise-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-m);padding-bottom:var(--space-s);border-bottom:1px solid var(--line-color)}.exercise-progress{font-size:.875rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.05em}.exercise-score{font-weight:600;color:var(--accent-blue)}.exercise-actions{display:flex;gap:var(--space-s);margin-top:var(--space-m)}.fill-blank-sentence{font-size:1.25rem;line-height:2;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-xs);margin:var(--space-m) 0}.sentence-part{font-family:var(--font-serif)}.blank-input{font-size:1.1rem;padding:8px 16px;border:2px solid var(--accent-blue);border-radius:4px;min-width:150px;font-family:var(--font-sans);text-align:center;transition:all .2s}.blank-input:focus{outline:none;box-shadow:0 0 0 3px #2c3e5026}.blank-input.correct{border-color:var(--color-success);background:var(--color-success-bg)}.blank-input.incorrect{border-color:var(--color-error);background:var(--color-error-bg)}.fill-blank-danish{color:var(--text-light);font-style:italic;margin-bottom:var(--space-m)}.listening-prompt{text-align:center;margin:var(--space-m) 0}.listen-btn{display:inline-flex;align-items:center;gap:var(--space-s);padding:var(--space-m) var(--space-l);background:var(--accent-blue);color:#fff;border:none;border-radius:50px;font-size:1rem;cursor:pointer;transition:all .2s;margin:var(--space-m) 0}.listen-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px #2c3e504d}.listen-slow-btn{background:transparent;border:2px solid var(--line-color);padding:8px 16px;border-radius:20px;cursor:pointer;color:var(--text-faded);margin-left:var(--space-s);transition:all .2s}.listen-slow-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.listening-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-s);margin-top:var(--space-m)}.listening-option{padding:var(--space-m);background:#fff;border:2px solid var(--line-color);border-radius:8px;cursor:pointer;font-size:1rem;transition:all .2s}.listening-option:hover:not(:disabled){border-color:var(--accent-blue);transform:translateY(-2px)}.listening-option.correct{background:var(--color-success-bg);border-color:var(--color-success);color:var(--color-success)}.listening-option.incorrect{background:var(--color-error-bg);border-color:var(--color-error);color:var(--color-error)}.matching-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-l);margin:var(--space-m) 0}.matching-column{display:flex;flex-direction:column;gap:var(--space-s)}.match-item{padding:var(--space-s) var(--space-m);background:#fff;border:2px solid var(--line-color);border-radius:8px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:space-between}.match-item:hover:not(.matched){border-color:var(--accent-blue)}.match-item.selected{border-color:var(--accent-blue);background:#2c3e500d;box-shadow:0 0 0 3px #2c3e501a}.match-item.matched{opacity:.6;cursor:default}.match-item.matched.correct{border-color:var(--color-success);background:var(--color-success-bg)}.match-item.incorrect{animation:shake .4s;border-color:var(--color-error)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.left-item{font-family:var(--font-serif);font-size:1.1rem}.right-item{justify-content:center}.writing-prompt{text-align:center;margin-bottom:var(--space-m)}.writing-danish{font-size:1.5rem;color:var(--text-ink);margin:var(--space-m) 0;font-family:var(--font-serif)}.hint-btn{background:transparent;border:1px solid var(--line-color);padding:8px 16px;border-radius:20px;cursor:pointer;color:var(--text-faded);transition:all .2s}.hint-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.writing-input-area{text-align:center;margin:var(--space-m) 0}.writing-input{font-size:1.5rem;padding:var(--space-s) var(--space-m);border:2px solid var(--line-color);border-radius:8px;width:100%;max-width:400px;text-align:center;font-family:var(--font-serif)}.writing-input:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 3px #2c3e501a}.writing-input.correct{border-color:var(--color-success);background:var(--color-success-bg)}.writing-input.incorrect{border-color:var(--color-error);background:var(--color-error-bg)}.writing-hint{font-size:.875rem;color:var(--text-light);margin-top:var(--space-xs)}.sentence-builder-prompt{text-align:center;margin-bottom:var(--space-m)}.danish-sentence{font-size:1.25rem;color:var(--text-faded);font-style:italic;margin-top:var(--space-s)}.sentence-builder-answer{min-height:60px;background:var(--bg-paper);border:2px dashed var(--line-color);border-radius:8px;padding:var(--space-m);margin:var(--space-m) 0;display:flex;flex-wrap:wrap;gap:var(--space-xs);align-items:center;justify-content:center}.sentence-builder-answer .placeholder{color:var(--text-light)}.selected-word{background:var(--accent-blue);color:#fff;padding:8px 16px;border-radius:4px;cursor:pointer;font-family:var(--font-serif);font-size:1.1rem;transition:all .2s}.selected-word:hover{background:var(--accent-red)}.sentence-builder-words{display:flex;flex-wrap:wrap;gap:var(--space-s);justify-content:center;margin:var(--space-m) 0}.word-tile{padding:10px 20px;background:#fff;border:2px solid var(--line-color);border-radius:8px;cursor:pointer;font-size:1.1rem;font-family:var(--font-serif);transition:all .2s}.word-tile:hover:not(.used){border-color:var(--accent-blue);transform:translateY(-2px)}.word-tile.used{opacity:.3;cursor:default}.flashcard-container{text-align:center;padding:var(--space-m)}.flashcard-progress{font-size:.875rem;color:var(--text-light);margin-bottom:var(--space-m)}.flashcard{perspective:1000px;width:100%;max-width:400px;height:250px;margin:0 auto var(--space-m);cursor:pointer}.flashcard-inner{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-front,.flashcard-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line-color);border-radius:12px;background:#fff;box-shadow:0 4px 12px #00000014}.flashcard-back{transform:rotateY(180deg);background:var(--accent-blue);color:#fff}.flashcard-text{font-size:2rem;font-family:var(--font-serif)}.flashcard-audio{position:absolute;bottom:20px;background:none;border:2px solid var(--line-color);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-faded);transition:all .2s}.flashcard-audio:hover{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.flashcard-hint{font-size:.875rem;color:var(--text-light);margin-bottom:var(--space-m)}.flashcard-controls{display:flex;justify-content:center;gap:var(--space-m)}.dialogue-container{margin:var(--space-l) 0}.dialogue-controls{margin-bottom:var(--space-m)}.dialogue-lines{display:flex;flex-direction:column;gap:var(--space-m)}.dialogue-line{display:flex;flex-direction:column;max-width:80%}.dialogue-line.speaker-a{align-self:flex-start}.dialogue-line.speaker-b{align-self:flex-end}.dialogue-speaker{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-light);margin-bottom:4px}.dialogue-bubble{background:#fff;border:1px solid var(--line-color);padding:var(--space-s) var(--space-m);border-radius:12px;position:relative}.speaker-a .dialogue-bubble{border-bottom-left-radius:4px}.speaker-b .dialogue-bubble{border-bottom-right-radius:4px;background:var(--accent-blue);border-color:var(--accent-blue)}.speaker-b .dialogue-russian{color:#fff}.speaker-b .dialogue-danish{color:#ffffffb3}.speaker-b .speak-line-btn{color:#fff;border-color:#ffffff4d}.dialogue-russian{font-family:var(--font-serif);font-size:1.1rem;margin-bottom:4px}.dialogue-danish{font-size:.9rem;color:var(--text-light);font-style:italic}.play-all-btn{background:var(--accent-blue);color:#fff}.exercise-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;display:none}.exercise-feedback.correct,.exercise-feedback.incorrect{display:block;animation:slideIn .3s ease}.exercise-feedback.correct{background:var(--color-success-bg);border:1px solid var(--color-success);color:#1e8449}.exercise-feedback.incorrect{background:var(--color-error-bg);border:1px solid var(--color-error);color:#a93226}.exercise-feedback .btn-next{margin-top:var(--space-s)}.exercise-results{text-align:center;padding:var(--space-xl) var(--space-m)}.result-score{font-size:3rem;font-weight:700;color:var(--accent-blue);font-family:var(--font-serif)}.result-percent{font-size:1.5rem;color:var(--text-faded);margin-bottom:var(--space-m)}.result-message{font-size:1.1rem;color:var(--text-faded);margin-bottom:var(--space-l)}.lesson-nav{display:flex;justify-content:space-between;align-items:center;padding:var(--space-m) 0;border-top:1px solid var(--line-color);margin-top:var(--space-xl)}.lesson-nav-item{text-decoration:none;color:var(--text-faded);display:flex;align-items:center;gap:var(--space-xs);transition:color .2s}.lesson-nav-item:hover{color:var(--accent-red)}.lesson-nav-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;display:block}.lesson-nav-title{font-weight:600}.section-intro{background:linear-gradient(135deg,var(--accent-blue) 0%,#1a252f 100%);color:#fff;padding:var(--space-xl) var(--space-m);margin:calc(-1 * var(--space-m));margin-bottom:var(--space-l)}.section-intro h1{color:#fff}.section-intro .lead{color:#ffffffd9}.lesson-meta{display:flex;gap:var(--space-m);font-size:.875rem;opacity:.8;margin-bottom:var(--space-m)}.cyrillic{font-family:var(--font-serif);color:var(--accent-red)}.cyrillic-large{font-size:2rem;font-family:var(--font-serif);color:var(--text-ink)}@media(max-width:768px){.vocab-grid{grid-template-columns:1fr}.matching-grid{grid-template-columns:1fr;gap:var(--space-m)}.listening-options{grid-template-columns:1fr}.flashcard{height:200px}.flashcard-text{font-size:1.5rem}.dialogue-line{max-width:90%}.fill-blank-sentence{font-size:1.1rem}.blank-input{min-width:100px;font-size:1rem}.section-intro{padding:var(--space-l) var(--space-s)}}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:fadeIn .5s ease}.theory-block{background:var(--bg-card);border:1px solid var(--line-color);border-left:4px solid var(--accent-blue);padding:var(--space-m);margin:var(--space-m) 0}.theory-block h3{margin-top:0;color:var(--accent-blue)}.example-box{background:var(--bg-paper);padding:var(--space-m);margin:var(--space-s) 0;border-radius:4px}.example-russian{font-family:var(--font-serif);font-size:1.2rem;margin-bottom:4px}.example-danish{color:var(--text-light);font-style:italic}.tip-box{background:var(--color-warning-bg);border:1px solid var(--color-warning);border-radius:8px;padding:var(--space-m);margin:var(--space-m) 0}.tip-box strong{color:#856404}.note-box{background:#e3f2fd;border:1px solid #90caf9;border-radius:8px;padding:var(--space-m);margin:var(--space-m) 0}.note-box strong{color:var(--accent-blue)}.memory-game-header{display:flex;justify-content:space-between;margin-bottom:var(--space-m);font-weight:600}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-s);max-width:500px;margin:0 auto}.memory-card{aspect-ratio:1;perspective:1000px;cursor:pointer}.memory-card-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}.memory-card.flipped .memory-card-inner{transform:rotateY(180deg)}.memory-card-front,.memory-card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:1.2rem;border:2px solid var(--line-color)}.memory-card-front{background:linear-gradient(135deg,var(--accent-blue) 0%,#1a252f 100%);color:#fff;font-size:2rem}.memory-card-back{background:#fff;transform:rotateY(180deg);font-family:var(--font-serif);padding:var(--space-xs);word-break:break-word;text-align:center}.memory-card.matched .memory-card-inner{transform:rotateY(180deg)}.memory-card.matched .memory-card-back{background:var(--color-success-bg);border-color:var(--color-success);animation:pulse-success .5s}.memory-win{text-align:center}.speed-challenge-start{text-align:center;padding:var(--space-xl)}.speed-challenge-game{text-align:center}.speed-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-l)}.speed-timer{flex:1;height:30px;background:var(--bg-paper);border-radius:15px;overflow:hidden;position:relative;margin-right:var(--space-m)}.timer-bar{height:100%;background:linear-gradient(90deg,var(--color-success) 0%,var(--color-warning) 50%,var(--color-error) 100%);transition:width 1s linear;border-radius:15px}.timer-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-weight:700;color:var(--text-ink)}.speed-score{font-size:1.25rem;font-weight:700;color:var(--accent-blue)}.speed-word{font-size:3rem;font-family:var(--font-serif);margin:var(--space-l) 0;cursor:pointer;transition:transform .2s}.speed-word:hover{transform:scale(1.05)}.speed-options{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-s);max-width:400px;margin:0 auto}.speed-option{padding:var(--space-m);font-size:1.1rem;border:2px solid var(--line-color);background:#fff;border-radius:8px;cursor:pointer;transition:all .15s}.speed-option:hover{border-color:var(--accent-blue);transform:scale(1.02)}.speed-option.correct{background:var(--color-success);border-color:var(--color-success);color:#fff;animation:pulse-success .3s}.speed-option.incorrect{background:var(--color-error);border-color:var(--color-error);color:#fff}.scramble-hint{text-align:center;margin-bottom:var(--space-m)}.scramble-letters{display:flex;justify-content:center;gap:var(--space-xs);flex-wrap:wrap;margin:var(--space-m) 0}.scramble-letter{width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-family:var(--font-serif);background:var(--accent-blue);color:#fff;border-radius:8px;cursor:pointer;transition:all .2s;-webkit-user-select:none;user-select:none}.scramble-letter:hover:not(.used){transform:scale(1.1) rotate(-5deg)}.scramble-letter.used{opacity:.3;transform:scale(.9)}.scramble-answer{min-height:60px;background:var(--bg-paper);border:2px dashed var(--line-color);border-radius:8px;padding:var(--space-m);display:flex;justify-content:center;gap:var(--space-xs);flex-wrap:wrap;align-items:center}.answer-letter{width:45px;height:45px;display:inline-flex;align-items:center;justify-content:center;font-size:1.4rem;font-family:var(--font-serif);background:var(--accent-red);color:#fff;border-radius:6px;cursor:pointer;animation:pop-in .2s}.answer-letter:hover{background:#922d2d}.typing-stats{display:flex;gap:var(--space-m)}.streak-counter{font-weight:600;color:var(--text-faded);transition:all .3s}.streak-counter.on-fire{color:#e74c3c;animation:fire-pulse .5s infinite}.typing-prompt{text-align:center;margin:var(--space-m) 0}.typing-danish{font-size:1.5rem;color:var(--text-faded);margin:var(--space-s) 0}.typing-listen{margin:var(--space-s) 0}.typing-input-container{text-align:center;margin:var(--space-m) 0}.typing-input{font-size:1.5rem;padding:var(--space-s) var(--space-m);border:2px solid var(--line-color);border-radius:8px;width:100%;max-width:400px;text-align:center;font-family:var(--font-serif)}.typing-input:focus{outline:none;border-color:var(--accent-blue)}.typing-preview{margin-top:var(--space-s);font-size:1.2rem;font-family:var(--font-serif);min-height:30px}.char-correct{color:var(--color-success)}.char-incorrect{color:var(--color-error);text-decoration:underline wavy}.animated-dialogue .dialogue-controls{margin-bottom:var(--space-m);display:flex;gap:var(--space-s)}.dialogue-stage{min-height:300px}.dialogue-line.animate-in{animation:slide-in .3s ease-out}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-8px)}80%{transform:translate(8px)}}.shake{animation:shake .5s}@keyframes pulse-success{0%{transform:scale(1)}50%{transform:scale(1.05);box-shadow:0 0 20px #27ae6080}to{transform:scale(1)}}.pulse-success{animation:pulse-success .5s}@keyframes pop-in{0%{transform:scale(0);opacity:0}70%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}@keyframes slide-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fire-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes confetti-fall{0%{transform:translateY(-100%) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}.confetti{position:absolute;width:100%;height:100%;overflow:hidden}.confetti:before,.confetti:after{content:"";position:absolute;width:10px;height:10px}.ai-conversation,.ai-roleplay{background:var(--bg-card);border:1px solid var(--line-color);border-radius:16px;overflow:hidden;margin:var(--space-m) 0}.ai-header{display:flex;align-items:center;gap:var(--space-s);padding:var(--space-m);background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.ai-avatar{width:44px;height:44px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.ai-info{flex:1}.ai-name{font-weight:600;font-size:1.1rem}.ai-status{font-size:.8rem;opacity:.8}.ai-help-btn{width:32px;height:32px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;color:#fff;font-weight:700;cursor:pointer;transition:all .2s}.ai-help-btn:hover{background:#fff3;border-color:#fff}.ai-messages{min-height:250px;max-height:400px;overflow-y:auto;padding:var(--space-m);display:flex;flex-direction:column;gap:var(--space-s)}.ai-message{display:flex;align-items:flex-start;gap:var(--space-xs);max-width:85%;animation:slideIn .3s ease}.ai-message-ai{align-self:flex-start}.ai-message-user{align-self:flex-end;flex-direction:row-reverse}.ai-message-content{padding:var(--space-s) var(--space-m);border-radius:16px;line-height:1.5}.ai-message-ai .ai-message-content{background:var(--bg-paper);border:1px solid var(--line-color);border-bottom-left-radius:4px}.ai-message-user .ai-message-content{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}.ai-speak-btn{background:none;border:none;padding:6px;cursor:pointer;color:var(--text-light);opacity:.6;transition:opacity .2s}.ai-speak-btn:hover{opacity:1;color:var(--accent-blue)}.ai-typing-indicator{display:flex;gap:4px;padding:var(--space-s) var(--space-m);background:var(--bg-paper);border-radius:16px;width:fit-content}.ai-typing-indicator span{width:8px;height:8px;background:var(--text-light);border-radius:50%;animation:typing-bounce 1.4s infinite ease-in-out}.ai-typing-indicator span:nth-child(1){animation-delay:0s}.ai-typing-indicator span:nth-child(2){animation-delay:.2s}.ai-typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-6px)}}.ai-starter-prompts{display:flex;flex-wrap:wrap;gap:var(--space-xs);padding:0 var(--space-m) var(--space-s)}.ai-starter-btn{padding:6px 12px;background:var(--bg-paper);border:1px solid var(--line-color);border-radius:20px;font-size:.85rem;cursor:pointer;transition:all .2s}.ai-starter-btn:hover{border-color:var(--accent-blue);background:#fff}.ai-input-area{display:flex;gap:var(--space-xs);padding:var(--space-m);border-top:1px solid var(--line-color);background:var(--bg-paper)}.ai-input{flex:1;padding:var(--space-s) var(--space-m);border:1px solid var(--line-color);border-radius:24px;font-size:1rem;outline:none;transition:border-color .2s}.ai-input:focus{border-color:var(--accent-blue)}.ai-send-btn{width:44px;height:44px;border-radius:50%;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s}.ai-send-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px #667eea66}.ai-disclaimer{text-align:center;font-size:.75rem;color:var(--text-light);padding:var(--space-xs) var(--space-m) var(--space-s);background:var(--bg-paper)}.ai-help-modal{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s}.ai-help-content{background:#fff;padding:var(--space-l);border-radius:16px;max-width:400px;margin:var(--space-m)}.ai-help-content h3{margin-top:0;color:var(--accent-blue)}.ai-help-content ul{padding-left:var(--space-m)}.ai-help-content li{margin-bottom:var(--space-xs)}.ai-help-tip{background:#fff8e1;padding:var(--space-s);border-radius:8px;margin:var(--space-m) 0}.ai-help-close{width:100%}.ai-translation{padding:var(--space-l)}.ai-translation-prompt{text-align:center;margin-bottom:var(--space-m)}.ai-translation-danish{font-size:1.5rem;font-family:var(--font-serif);color:var(--text-ink);margin:var(--space-m) 0}.ai-translation-hint{font-size:.9rem;color:var(--text-light);background:#fff8e1;padding:var(--space-xs) var(--space-s);border-radius:8px;display:inline-block}.ai-translation-input-area{text-align:center;margin:var(--space-m) 0}.ai-translation-input{font-size:1.25rem;padding:var(--space-s) var(--space-m);border:2px solid var(--line-color);border-radius:8px;width:100%;max-width:400px;text-align:center;font-family:var(--font-serif)}.ai-translation-input:focus{outline:none;border-color:var(--accent-blue)}.ai-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;display:none}.ai-feedback.loading,.ai-feedback.correct,.ai-feedback.incorrect{display:block;animation:slideIn .3s ease}.ai-feedback.loading{background:#e3f2fd;border:1px solid #90caf9;text-align:center}.ai-feedback.correct{background:var(--color-success-bg);border:1px solid var(--color-success)}.ai-feedback.incorrect{background:var(--color-error-bg);border:1px solid var(--color-error)}.ai-feedback-content{margin-bottom:var(--space-s);line-height:1.6}.ai-correct-answer{display:flex;align-items:center;gap:var(--space-xs);flex-wrap:wrap;margin-bottom:var(--space-s)}.ai-loading{display:flex;align-items:center;justify-content:center;gap:var(--space-s)}.ai-loading:before{content:"";width:20px;height:20px;border:2px solid #90caf9;border-top-color:#1976d2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ai-roleplay-header{padding:var(--space-m);background:linear-gradient(135deg,#ff9a56,#ff6b6b);color:#fff}.ai-roleplay-scenario h4{margin:0 0 var(--space-xs);font-size:1.1rem}.ai-roleplay-scenario p{margin:0;opacity:.9}.ai-roleplay-roles{display:flex;gap:var(--space-m);margin-top:var(--space-s);font-size:.9rem}.ai-role{background:#fff3;padding:var(--space-xs) var(--space-s);border-radius:8px}.ai-roleplay-goals{padding:var(--space-s) var(--space-m);background:var(--bg-paper);border-bottom:1px solid var(--line-color);display:flex;flex-wrap:wrap;gap:var(--space-xs);align-items:center}.ai-goal{background:#fff;border:1px solid var(--line-color);padding:4px 10px;border-radius:16px;font-size:.85rem;transition:all .3s}.ai-goal.completed{background:var(--color-success-bg);border-color:var(--color-success);color:#1e8449}.ai-goal.completed:before{content:"✓ "}.ai-roleplay .ai-messages{min-height:200px}.ai-roleplay .ai-input-area{background:#fff}.ai-roleplay-success{position:absolute;bottom:80px;left:50%;transform:translate(-50%);background:var(--color-success);color:#fff;padding:var(--space-s) var(--space-m);border-radius:8px;animation:slideIn .3s ease;box-shadow:0 4px 12px #27ae6066}.ai-roleplay-success h4{margin:0}.ai-roleplay-success p{margin:var(--space-xs) 0 0;font-size:.9rem}.ai-section-intro{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:var(--space-m);border-radius:8px;margin:var(--space-m) 0}.ai-section-intro h3{margin:0 0 var(--space-xs);display:flex;align-items:center;gap:var(--space-xs)}.ai-section-intro p{margin:0;opacity:.9;font-size:.95rem}.ai-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.ai-detective{background:var(--bg-card);border:2px solid var(--accent-blue);border-radius:12px;padding:var(--space-l)}.detective-header{display:flex;align-items:center;gap:var(--space-m);margin-bottom:var(--space-m)}.detective-icon{font-size:2rem}.detective-title{font-weight:600;flex:1}.detective-score{color:var(--accent-blue);font-weight:600}.detective-round{text-align:center;color:var(--text-light);margin-bottom:var(--space-m)}.detective-hints{background:var(--bg-paper);border-radius:8px;padding:var(--space-m);margin-bottom:var(--space-m);min-height:80px}.hint-item{padding:var(--space-xs) 0;border-bottom:1px dashed var(--line-color)}.hint-item:last-child{border-bottom:none}.hint-item.new{animation:fadeIn .3s ease}.hint-number{font-weight:600;color:var(--accent-blue);margin-right:var(--space-s)}.detective-input-area{display:flex;gap:var(--space-s);margin-bottom:var(--space-m)}.detective-input{flex:1;padding:var(--space-s) var(--space-m);border:2px solid var(--line-color);border-radius:8px;font-size:1rem}.detective-guess-btn{padding:var(--space-s) var(--space-l);background:var(--accent-blue);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600}.detective-actions{display:flex;gap:var(--space-s);justify-content:center}.detective-hint-btn,.detective-skip-btn{padding:var(--space-xs) var(--space-m);background:var(--bg-paper);border:1px solid var(--line-color);border-radius:6px;cursor:pointer}.detective-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;text-align:center}.detective-feedback.correct{background:#d4edda;color:#155724}.detective-feedback.incorrect{background:#f8d7da;color:#721c24}.detective-feedback.skipped{background:#fff3cd;color:#856404}.detective-results{text-align:center;padding:var(--space-xl)}.detective-results .result-score{font-size:3rem;font-weight:700;color:var(--accent-blue)}.ai-story{background:var(--bg-card);border:2px solid #9c27b0;border-radius:12px;padding:var(--space-l)}.story-header{display:flex;align-items:center;gap:var(--space-s);margin-bottom:var(--space-m);padding-bottom:var(--space-s);border-bottom:2px solid #9c27b0}.story-icon{font-size:1.5rem}.story-title{font-weight:600;color:#9c27b0}.story-content{background:var(--bg-paper);border-radius:8px;padding:var(--space-m);min-height:200px;max-height:400px;overflow-y:auto;margin-bottom:var(--space-m)}.story-part{display:flex;gap:var(--space-s);margin-bottom:var(--space-m);animation:fadeIn .3s ease}.story-part.ai .story-text{background:linear-gradient(135deg,#e1bee7,#f3e5f5);border-radius:12px 12px 12px 0}.story-part.user .story-text{background:linear-gradient(135deg,#bbdefb,#e3f2fd);border-radius:12px 12px 0;margin-left:auto}.story-text{padding:var(--space-m);max-width:85%}.story-author{font-size:1.2rem}.story-suggestions{margin-bottom:var(--space-m)}.story-suggestions p{font-size:.85rem;color:var(--text-light);margin-bottom:var(--space-xs)}.suggestion-btns{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.suggestion-btn{padding:var(--space-xs) var(--space-s);background:#f3e5f5;border:1px solid #9c27b0;border-radius:16px;cursor:pointer;font-size:.85rem;transition:all .2s}.suggestion-btn:hover{background:#9c27b0;color:#fff}.story-input-area{display:flex;gap:var(--space-s)}.story-input{flex:1;padding:var(--space-s) var(--space-m);border:2px solid #9c27b0;border-radius:8px}.story-send-btn{padding:var(--space-s) var(--space-m);background:#9c27b0;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:1.2rem}.ai-quiz{background:var(--bg-card);border:2px solid #ff9800;border-radius:12px;padding:var(--space-l)}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-s)}.quiz-score,.quiz-streak{font-weight:600}.quiz-timer{font-weight:600;padding:var(--space-xs) var(--space-s);background:#fff3e0;border-radius:6px}.quiz-timer.urgent{background:#ffcdd2;color:#c62828;animation:pulse .5s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.quiz-progress{height:6px;background:var(--line-color);border-radius:3px;margin-bottom:var(--space-m);overflow:hidden}.quiz-progress-bar{height:100%;background:linear-gradient(90deg,#ff9800,#ff5722);transition:width .3s ease}.quiz-question{text-align:center;margin-bottom:var(--space-m);min-height:60px}.quiz-question h4{margin:0;font-size:1.2rem}.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-s)}.quiz-option{padding:var(--space-m);background:var(--bg-paper);border:2px solid var(--line-color);border-radius:8px;cursor:pointer;font-size:1rem;transition:all .2s}.quiz-option:hover:not(:disabled){border-color:#ff9800;background:#fff3e0}.quiz-option.correct{background:#c8e6c9;border-color:#4caf50}.quiz-option.incorrect{background:#ffcdd2;border-color:#f44336}.quiz-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;text-align:center;font-weight:600}.quiz-feedback.correct{background:#c8e6c9;color:#2e7d32}.quiz-feedback.incorrect{background:#ffcdd2;color:#c62828}.quiz-feedback.timeout{background:#fff3e0;color:#e65100}.quiz-results{text-align:center;padding:var(--space-xl)}.quiz-results .result-score{font-size:3rem;font-weight:700;color:#ff9800}.ai-emoji{background:var(--bg-card);border:2px solid #e91e63;border-radius:12px;padding:var(--space-l)}.emoji-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-m)}.emoji-title{font-weight:600;color:#e91e63}.emoji-score{font-weight:600}.emoji-round{text-align:center;color:var(--text-light);margin-bottom:var(--space-m)}.emoji-display{background:var(--bg-paper);border-radius:12px;padding:var(--space-xl);text-align:center;margin-bottom:var(--space-m)}.emoji-sequence{font-size:4rem;letter-spacing:.5rem}.emoji-hint{text-align:center;margin-bottom:var(--space-m)}.hint-btn{padding:var(--space-xs) var(--space-m);background:#fce4ec;border:1px solid #e91e63;border-radius:16px;cursor:pointer}.hint-text{color:var(--text-light);font-style:italic}.emoji-input-area{display:flex;gap:var(--space-s)}.emoji-input{flex:1;padding:var(--space-s) var(--space-m);border:2px solid #e91e63;border-radius:8px}.emoji-check-btn{padding:var(--space-s) var(--space-l);background:#e91e63;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600}.emoji-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;text-align:center}.emoji-feedback.correct{background:#c8e6c9;color:#2e7d32}.emoji-feedback.incorrect{background:#ffcdd2;color:#c62828}.emoji-results{text-align:center;padding:var(--space-xl)}.emoji-results .result-score{font-size:3rem;font-weight:700;color:#e91e63}.ai-auction{background:linear-gradient(135deg,#fff8e1,#ffecb3);border:2px solid #ffc107;border-radius:12px;padding:var(--space-l)}.auction-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-m)}.auction-title{font-weight:600;color:#ff8f00}.auction-coins{font-weight:600;background:#ffc107;padding:var(--space-xs) var(--space-m);border-radius:16px}.auction-round{text-align:center;color:var(--text-light);margin-bottom:var(--space-m)}.auction-task{text-align:center;margin-bottom:var(--space-m)}.auction-task h4{margin:0 0 var(--space-xs)}.auction-sentences{display:flex;flex-direction:column;gap:var(--space-s)}.auction-sentence{display:flex;justify-content:space-between;align-items:center;padding:var(--space-m);background:#fff;border:2px solid var(--line-color);border-radius:8px;cursor:pointer;transition:all .2s}.auction-sentence:hover:not(:disabled){border-color:#ffc107;transform:translate(5px)}.auction-sentence.correct{background:#c8e6c9;border-color:#4caf50}.auction-sentence.incorrect{background:#ffcdd2;border-color:#f44336}.sentence-text{font-family:var(--font-serif);font-size:1.1rem}.sentence-cost{font-size:.85rem;color:var(--text-light)}.auction-feedback{margin-top:var(--space-m);padding:var(--space-m);border-radius:8px;text-align:center}.auction-feedback.correct{background:#c8e6c9;color:#2e7d32}.auction-feedback.incorrect{background:#ffcdd2;color:#c62828}.auction-results{text-align:center;padding:var(--space-xl)}.auction-results .result-coins{font-size:3rem;font-weight:700;color:#ff8f00}@media(max-width:600px){.memory-grid{grid-template-columns:repeat(3,1fr)}.speed-options{grid-template-columns:1fr}.speed-word{font-size:2rem}.scramble-letter{width:40px;height:40px;font-size:1.2rem}.answer-letter{width:38px;height:38px;font-size:1.1rem}}