@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap";:root{--bg-color:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#8b5cf6;--accent-hover:#a78bfa;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--blob-1:#3b82f6;--blob-2:#8b5cf6;--text:var(--text-secondary);--text-h:var(--text-primary);--bg:var(--bg-color);--border:var(--glass-border);--accent:var(--accent-color);--glass-shadow:0 8px 32px 0 #0000004d;--button-text:#fff;--sans:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--heading:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}body{font-family:var(--sans);color:var(--text-h);background:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;margin:0;line-height:1.6;display:flex;position:relative;overflow-x:hidden}*{box-sizing:border-box}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:16px;animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeInUp}.reveal-animation{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeInUp}.view-container{flex-direction:column;align-items:center;gap:24px;width:100%;max-width:600px;margin:0 auto;padding:32px;display:flex}h1,h2,h3,h4{font-family:var(--heading);color:var(--text-h);margin-top:0}.btn-primary{background:var(--accent);color:var(--button-text);cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:12px;width:100%;padding:14px 28px;font-size:16px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary:hover:not(:disabled){background:var(--accent-hover);filter:brightness(1.05);transform:translateY(-2px)scale(1.02);box-shadow:0 8px 20px #8b5cf64d}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.login-wrapper{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{text-align:center;width:100%;max-width:440px;padding:48px}.login-card h1{letter-spacing:-.5px;margin-bottom:8px;font-size:32px;font-weight:700}.login-card .subtitle{margin-bottom:40px;font-size:16px}.error-message{color:#ef4444;background:#ef44441a;border:1px solid #ef444433;border-radius:8px;margin-bottom:24px;padding:12px;font-size:14px}.course-card{background:#ffffff80;border:1px solid #0000001a;border-radius:12px;margin-bottom:20px;padding:20px}.back-button{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-bottom:20px;padding:0;font-weight:600}.back-button:hover{color:var(--accent-hover);text-decoration:underline}.flashcard-progress{color:var(--text);margin-bottom:16px;font-size:14px}.flashcard-word{text-align:center;cursor:pointer;color:var(--text-h);margin-bottom:24px;font-size:32px;font-weight:700}.flashcard-audio-hint{color:var(--accent);margin-top:8px;font-size:14px;font-weight:400;display:block}.flashcard-definition{color:var(--text);border-top:1px solid var(--border);text-align:center;width:100%;margin-bottom:32px;padding:16px;font-size:20px}.flashcard-actions{justify-content:space-between;gap:8px;width:100%;display:flex}.btn-rating{cursor:pointer;border:none;border-radius:8px;flex:1;padding:10px;font-weight:600;transition:all .2s}.btn-rating:hover{filter:brightness(1.05);transform:translateY(-2px)scale(1.02)}.btn-rating-again{color:#b91c1c;background-color:#fee2e2}.btn-rating-hard{color:#c2410c;background-color:#ffedd5}.btn-rating-good{color:#15803d;background-color:#dcfce7}.btn-rating-easy{color:#1d4ed8;background-color:#dbeafe}.vocab-word{cursor:pointer;border-radius:4px;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-block}.vocab-word.target-word,.target-word{color:var(--accent-hover,#a78bfa);border-bottom:2px solid var(--accent,#8b5cf6);background-color:#8b5cf633;border-radius:4px;padding:0 4px}.vocab-word.target-word:hover,.target-word:hover{background-color:#8b5cf666}.vocab-word.secondary-word,.secondary-word{border-bottom:2px dashed #3b82f6cc;padding:0 2px}.vocab-word.secondary-word:hover,.secondary-word:hover{background-color:#3b82f626}.vocab-word.secondary-word.selected-secondary-word,.vocab-word.selected-secondary-word,.selected-secondary-word:not(.selectable-word){color:#60a5fa!important;background-color:#3b82f640!important;border-bottom:2px solid #3b82f6!important;border-radius:4px!important;padding:0 4px!important}.vocab-word.secondary-word.selected-secondary-word:hover,.vocab-word.selected-secondary-word:hover,.selected-secondary-word:not(.selectable-word):hover{background-color:#3b82f666!important}.vocab-word.custom-word,.custom-word{color:#34d399;background-color:#10b98140;border-bottom:2px solid #10b981;border-radius:4px;padding:0 4px}.vocab-word.custom-word:hover,.custom-word:hover{background-color:#10b98166}.vocab-word.global-target-word,.vocab-word.global_target-word,.global-target-word:not(.selectable-word){color:#c084fc!important;background-color:#a855f740!important;border-bottom:2px dashed #a855f7!important;border-radius:4px!important;padding:0 4px!important}.vocab-word.global-target-word:hover,.vocab-word.global_target-word:hover,.global-target-word:not(.selectable-word):hover{background-color:#a855f766!important}.hover-scale{transition:all .2s cubic-bezier(.4,0,.2,1)}.hover-scale:hover{filter:brightness(1.05);transform:scale(1.02)}.extract-vocab-btn{color:#f1f5f9;cursor:pointer;opacity:0;pointer-events:none;z-index:10;-webkit-user-select:none;user-select:none;-webkit-backdrop-filter:blur(8px);background:#0f172ab3;border:1px solid #ffffff2e;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;padding:0;font-size:1.05rem;transition:opacity .2s,transform .2s cubic-bezier(.4,0,.2,1),background .2s,border-color .2s,box-shadow .2s;display:flex;position:absolute;bottom:12px;right:12px;box-shadow:0 2px 8px #00000059}.sentence-card:hover .extract-vocab-btn,.sentence-card.active .extract-vocab-btn,.sentence-card.playing .extract-vocab-btn,.sentence-card.edit-mode .extract-vocab-btn{opacity:1;pointer-events:auto}.extract-vocab-btn:hover{color:#fff;background:#8b5cf673;border-color:#a78bfae6;transform:scale(1.15);box-shadow:0 4px 16px #8b5cf680}.extract-vocab-btn:active{transform:scale(.92)}.module-selector{background-color:var(--glass-bg);border:1px solid var(--border);color:var(--text-h);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 12px center;background-repeat:no-repeat;background-size:16px;border-radius:8px;padding:8px 36px 8px 12px;font-size:16px;transition:all .2s}.module-selector:hover{border-color:var(--accent)}.module-selector:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #8b5cf633}.module-selector option{color:#f8fafc;background-color:#1e293b}html{overflow-y:scroll}.background-blob{filter:blur(80px);z-index:-1;opacity:.5;border-radius:50%;position:absolute}.blob-1{background-color:var(--blob-1);width:400px;height:400px;top:-100px;left:-100px}.blob-2{background-color:var(--blob-2);width:300px;height:300px;bottom:20%;right:-50px}.app-container{flex-direction:column;gap:2rem;max-width:800px;margin:0 auto;padding:2rem;display:flex}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 8px 32px #0000004d}.app-header{z-index:100;justify-content:space-between;align-items:center;padding:1.25rem 2rem;display:flex;position:relative}.app-header h1{background:linear-gradient(90deg,#fff,#cbd5e1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.75rem;font-weight:700}.toggle-container{align-items:center;gap:1rem;display:flex}.toggle-label{color:var(--text-secondary);font-size:.9rem;font-weight:600}.voice-toggle{cursor:pointer;background:#0f172acc;border-radius:30px;padding:.25rem;transition:all .3s;display:flex;overflow:hidden}.voice-toggle:hover{border-color:var(--accent-hover)}.toggle-option{color:var(--text-secondary);z-index:1;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:20px;outline:none;padding:.5rem 1.25rem;font-size:.875rem;font-weight:600;transition:all .3s}.toggle-option.active{background-color:var(--accent-color);color:#fff;box-shadow:0 2px 10px #8b5cf666}.sentence-list{flex-direction:column;gap:1.5rem;display:flex}.sentence-card{cursor:pointer;padding:1.5rem 2rem;transition:transform .3s cubic-bezier(.175,.885,.32,1.275),box-shadow .3s;position:relative;overflow:hidden}@media (hover:none){.sentence-card{transition:none}.sentence-card:hover{box-shadow:none;transform:none}.sentence-card:before{transition:none}}.sentence-card:before{content:"";background-color:var(--accent-color);transform-origin:bottom;width:4px;height:100%;transition:transform .3s;position:absolute;top:0;left:0;transform:scaleY(0)}.sentence-card:hover{border-color:#fff3;transform:translateY(-5px);box-shadow:0 12px 40px #0006}.sentence-card:hover:before{transform:scaleY(1)}.swedish-text{color:var(--text-primary);margin-bottom:.5rem;padding-right:40px;font-size:1.5rem;font-weight:600;transition:color .3s}.english-text{color:var(--text-secondary);padding-right:40px;font-size:1.1rem;font-style:italic;font-weight:300}strong{color:var(--accent-color);font-weight:600;transition:color .3s,text-shadow .3s}.sentence-card:hover strong{color:var(--accent-hover);text-shadow:0 0 8px #a78bfa80}.filter-controls{align-items:center;gap:1rem;display:flex}.filter-controls-wrapper,#filter-controls-wrapper{transition:max-height .4s,opacity .4s;overflow:hidden}.glass-select{appearance:none;color:#f8fafc;font-family:var(--sans);cursor:pointer;-webkit-backdrop-filter:blur(10px);background:#ffffff14 url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.6)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") right 12px center/14px no-repeat;border:1px solid #ffffff2e;border-radius:20px;padding:.45rem 2.2rem .45rem 1rem;font-size:.9rem;transition:all .25s}.glass-select:hover{background-color:#ffffff1f;border-color:#ffffff4d}.glass-select:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #8b5cf64d}.glass-select option{color:#f8fafc;background:#0f172a}.sentence-card.playing{background:#8b5cf61a;transform:translate(5px)}.sentence-card.playing:before{transform:scaleY(1)}.resume-highlight{animation:2s infinite card-pulse;background:#a78bf61a!important;border:1px solid #a78bf699!important;box-shadow:0 4px 20px #a78bf626!important}@keyframes card-pulse{0%{box-shadow:0 0 5px #a78bf633!important}50%{border-color:#a78bf6!important;box-shadow:0 0 25px #a78bf6cc!important}to{box-shadow:0 0 5px #a78bf633!important}}.sentence-card.edit-mode{border-color:var(--accent-color);box-shadow:0 0 15px #8b5cf64d}.selectable-word{cursor:pointer;border-radius:4px;padding:0 2px;transition:all .2s}.selected-word{border-radius:4px;background-color:var(--accent)!important;color:#fff!important}.selected-secondary-word{border-radius:4px;color:#fff!important;background-color:#3b82f6!important}.save-vocab-btn{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:20px;margin-top:10px;padding:8px 16px;font-size:.9rem;font-weight:600;transition:all .3s;display:inline-block}.save-vocab-btn:hover{background-color:var(--accent-hover);box-shadow:0 4px 12px #8b5cf666}#play-btn.playing{border-color:var(--accent);color:var(--accent);background:#8b5cf633;animation:1.5s infinite audio-pulse}@keyframes audio-pulse{0%{box-shadow:0 0 5px #8b5cf633}50%{box-shadow:0 0 15px #8b5cf699}to{box-shadow:0 0 5px #8b5cf633}}#play-btn.tts-fallback-active{color:#f97316;background:#f9731633;border-color:#f97316;animation:1.5s infinite tts-pulse}#play-btn.tts-fallback-active:after{content:"🤖";font-size:1.5rem;position:absolute;top:-10px;right:-10px}@keyframes tts-pulse{0%{box-shadow:0 0 5px #f9731633}50%{box-shadow:0 0 20px #f9731699}to{box-shadow:0 0 5px #f9731633}}.mode-switcher{background:#0003;border-radius:20px;align-items:center;gap:.5rem;padding:.25rem;display:flex}.mode-switcher a{color:var(--text-secondary);white-space:nowrap;text-align:center;border-radius:15px;max-width:150px;padding:.5rem 1rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block;overflow:hidden}.mode-switcher a.hidden-link{opacity:0;pointer-events:none;border:none;max-width:0;margin:0;padding-left:0;padding-right:0}.mode-switcher a:hover:not(.hidden-link){color:var(--text-primary);background:#ffffff1a}.mode-switcher a.active:not(.hidden-link){color:#fff;background:var(--accent-color);box-shadow:0 0 10px #8b5cf64d}.fsrs-toast{text-align:center;border:1px solid var(--accent-color);color:#fff;-webkit-backdrop-filter:blur(24px);z-index:1000;pointer-events:none;background:#0f172ad9;border-radius:30px;width:fit-content;margin-left:auto;margin-right:auto;padding:12px 24px;font-size:1.2rem;font-weight:700;transition:opacity .3s,transform .3s;position:fixed;top:30%;left:0;right:0;box-shadow:0 10px 40px #8b5cf666}.target-word{background-color:#8b5cf633;border-radius:3px;padding:0 2px}.secondary-word{border-bottom:2px dashed #0096ff99;padding:0 2px}.hover-sync{filter:brightness(1.2);border-radius:3px;box-shadow:0 0 8px #ffffff4d;background-color:#fff3!important}#course-selector-btn:hover{background:#fff3!important}.course-card{cursor:pointer;text-align:left;background:#0000004d;border:1px solid #ffffff1a;border-radius:12px;padding:1.5rem;transition:all .3s}.course-card:hover{background:#ffffff1a!important;border-color:#ffffff4d!important}.course-card.active{background:#8b5cf633!important;border-color:#8b5cf680!important}.selectable-word{cursor:pointer;border-radius:4px;padding:0 2px;transition:all .2s;display:inline-block}.selectable-word:hover{background-color:#ffffff1a}.selectable-word.secondary-word{border-bottom:2px dashed #3b82f6cc!important}.selectable-word.selected-word{border-radius:4px;background-color:var(--accent,#8b5cf6)!important;color:#fff!important;border-bottom:none!important}.selectable-word.selected-secondary-word{border-radius:4px;color:#fff!important;background-color:#3b82f6!important;border-bottom:none!important}.selectable-word.selected-custom-word{border-radius:4px;color:#fff!important;background-color:#10b981!important;border-bottom:none!important}.selectable-word.selected-global-target-word{border-radius:4px;color:#fff!important;background-color:#a855f7!important;border:1px dashed #e9d5ff!important;border-bottom:none!important}.selectable-word.target-word-unselected{border-bottom:2px dashed #8b5cf6cc!important}.vocab-word.target-word-excluded,.target-word-excluded{border-bottom:2px dashed #8b5cf6cc;padding:0 2px}.vocab-word.target-word-excluded:hover,.target-word-excluded:hover{background-color:#8b5cf626}.selectable-word.selected-unknown-word{border-radius:4px;color:#fff!important;background-color:#9ca3af!important;border:1px dashed #4b5563!important}@keyframes karaokeWave{0%{color:inherit;background-color:#0000;border-bottom:none;transform:translateY(0)scale(1)}30%{background-color:var(--k-bg,transparent);color:var(--k-color,inherit);border-bottom:var(--k-border,none);transform:translateY(-4px)scale(1.08);box-shadow:0 4px 8px #00000026}to{background-color:var(--k-bg,transparent);color:var(--k-color,inherit);border-bottom:var(--k-border,none);box-shadow:none;transform:translateY(0)scale(1)}}.karaoke-anim{animation:.4s cubic-bezier(.25,.46,.45,.94) both karaokeWave}.dictation-container,.flashcard-container{text-align:center;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:800px;min-height:58vh;margin:0 auto;padding:2.5rem 2rem;display:flex;position:relative}#progress-stats{color:#cbd5e1;-webkit-user-select:none;user-select:none;flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;margin-bottom:1.75rem;font-size:1rem;display:flex}#progress-stats .stat-total{color:#cbd5e1;font-weight:500}#progress-stats .stat-correct{color:#4ade80;font-weight:600}#progress-stats .stat-remaining{color:#f87171;font-weight:600}#reset-progress-btn{color:#e2e8f0;cursor:pointer;font-size:.85rem;font-family:var(--sans);background:#ffffff14;border:1px solid #fff3;border-radius:12px;padding:4px 12px;transition:all .25s}#reset-progress-btn:hover{color:#fff;background:#ffffff2e;border-color:#fff6;transform:translateY(-1px)}.play-btn{border:2px solid var(--accent-color);color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(10px);background:#8b5cf633;border-radius:50%;outline:none;justify-content:center;align-items:center;width:80px;height:80px;margin-bottom:2rem;padding:0;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;box-shadow:0 0 15px #8b5cf640}.play-btn .play-icon{fill:currentColor;width:32px;height:32px;margin-left:3px;display:block}.play-btn:hover{background:var(--accent-color);transform:scale(1.08);box-shadow:0 0 25px #8b5cf699}.play-btn:active{transform:scale(.96)}.play-btn .tab-hint{color:#ffffff80;font-size:.8rem;font-weight:500;font-family:var(--sans);pointer-events:none;letter-spacing:.5px;white-space:nowrap;position:absolute;bottom:-24px;left:50%;transform:translate(-50%)}#english-prompt{color:#fff;text-align:center;letter-spacing:-.5px;font-size:2rem;font-weight:700;line-height:1.3;font-family:var(--heading);text-shadow:0 2px 10px #0000004d;margin-bottom:1.5rem}.input-group{flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:420px;margin:0 auto;display:flex}.spell-input{width:100%;font-size:1.4rem;font-family:var(--sans);text-align:center;color:#fff;background:#ffffff14;border:2px solid #ffffff2e;border-radius:14px;outline:none;padding:.9rem 1.25rem;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #0003}.spell-input::placeholder{color:#ffffff59;font-size:1.15rem;font-weight:400}.spell-input:focus{border-color:var(--accent-color);background:#ffffff1f;box-shadow:0 0 0 3px #8b5cf640,inset 0 2px 4px #0003}.spell-input.correct{color:#4ade80!important;background:#4ade801f!important;border-color:#4ade80!important;box-shadow:0 0 0 3px #4ade8040!important}.spell-input.incorrect{color:#f87171!important;background:#f871711f!important;border-color:#f87171!important;box-shadow:0 0 0 3px #f8717140!important}.feedback{min-height:1.75rem;font-size:1.15rem;font-weight:600;font-family:var(--sans);letter-spacing:.2px;margin-bottom:1rem;transition:opacity .2s,transform .2s}.feedback.correct{color:#4ade80;text-shadow:0 0 10px #4ade804d}.feedback.incorrect{color:#f87171;text-shadow:0 0 10px #f871714d}.answer-display{box-sizing:border-box;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:14px;flex-direction:column;gap:.4rem;width:100%;margin-top:1.25rem;padding:1rem 1.5rem;animation:.3s fadeInUp;display:none}.answer-display.show{display:flex}.answer-display .correct-sv{color:var(--accent-hover);letter-spacing:-.2px;font-size:1.6rem;font-weight:700}.answer-display .correct-en{color:#94a3b8;font-size:1.05rem;font-style:italic}.reveal-btn{color:#f8fafc;cursor:pointer;font-family:var(--sans);background:#ffffff0f;border:1px solid #ffffff4d;border-radius:20px;margin-top:.75rem;padding:.5rem 1.25rem;font-size:.95rem;font-weight:500;transition:all .25s cubic-bezier(.4,0,.2,1);display:none}.reveal-btn.show{justify-content:center;align-items:center;display:inline-flex}.reveal-btn:hover{background:#ffffff26;border-color:#ffffff80;transform:translateY(-1px)}.reveal-btn:active{transform:translateY(0)}.timer-bar{background:#ffffff1a;border-radius:4px;width:100%;max-width:420px;height:4px;margin-top:1.5rem;display:none;overflow:hidden}.timer-bar.show{display:block}.timer-fill{background:#4ade80;width:0%;height:100%;transition:width linear;box-shadow:0 0 8px #4ade8080}.fsrs-rating-container{flex-wrap:wrap;justify-content:center;gap:10px;width:100%;max-width:440px;margin-top:1.5rem;display:flex}.btn-rating{cursor:pointer;min-width:100px;font-size:.95rem;font-weight:600;font-family:var(--sans);border:1px solid #0000;border-radius:12px;flex-direction:column;flex:calc(50% - 10px);justify-content:center;align-items:center;gap:2px;padding:12px 16px;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-rating-key{opacity:.75;font-size:.75rem;font-weight:400}.btn-rating-again{color:#fca5a5;background:#ef444433;border-color:#ef444466}.btn-rating-again:hover{color:#fff;background:#ef444459;border-color:#ef4444;transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.btn-rating-hard{color:#fdba74;background:#f9731633;border-color:#f9731666}.btn-rating-hard:hover{color:#fff;background:#f9731659;border-color:#f97316;transform:translateY(-2px);box-shadow:0 4px 12px #f973164d}.btn-rating-good{color:#86efac;background:#22c55e33;border-color:#22c55e66}.btn-rating-good:hover{color:#fff;background:#22c55e59;border-color:#22c55e;transform:translateY(-2px);box-shadow:0 4px 12px #22c55e4d}.btn-rating-easy{color:#93c5fd;background:#3b82f633;border-color:#3b82f666}.btn-rating-easy:hover{color:#fff;background:#3b82f659;border-color:#3b82f6;transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}#fsrs-review-stats{color:#94a3b8;text-align:center;box-sizing:border-box;flex-wrap:wrap;justify-content:center;gap:2rem;width:100%;max-width:800px;margin-top:1.5rem;margin-left:auto;margin-right:auto;padding:1.25rem 2rem;font-size:.9rem;display:flex}.fsrs-stat-item{flex-direction:column;align-items:center;gap:4px;display:flex}.fsrs-stat-item .stat-val{color:#f1f5f9;font-size:1.35rem;font-weight:700;font-family:var(--heading)}.fsrs-stat-item .stat-lbl{color:#94a3b8;letter-spacing:.3px;font-size:.8rem;font-weight:500}#hint-display{color:#94a3b8;text-align:center;font-size:1.05rem;font-style:italic;font-family:var(--sans);margin-bottom:.75rem;line-height:1.4;animation:.3s fadeInUp}.app-header{z-index:100;box-sizing:border-box;flex-direction:column;align-items:stretch;gap:12px;width:100%;padding:1.25rem 2rem;display:flex;position:relative}.header-row{box-sizing:border-box;justify-content:space-between;align-items:center;width:100%;display:flex}.header-row-brand{gap:1rem}.header-brand-group{align-items:center;gap:12px;min-width:0;display:flex}.header-title{background:linear-gradient(90deg,#fff,#cbd5e1);-webkit-text-fill-color:transparent;cursor:pointer;letter-spacing:-.02em;font-size:1.75rem;font-weight:700;font-family:var(--heading);-webkit-background-clip:text;flex-shrink:0;margin:0}.header-courses-btn{color:#e2e8f0;cursor:pointer;white-space:nowrap;background:#ffffff14;border:1px solid #ffffff26;border-radius:20px;flex-shrink:0;align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:600;transition:all .2s;display:flex}.header-courses-btn:hover{color:#fff;background:#ffffff29}.header-user-group{flex-shrink:0;align-items:center;gap:12px;display:flex}.header-version-badge{color:#94a3b8;letter-spacing:.02em;white-space:nowrap;background:#ffffff14;border:1px solid #ffffff1f;border-radius:12px;align-items:center;gap:6px;padding:4px 12px;font-size:.8rem;font-weight:600;display:flex}#user-avatar-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:2px solid #fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:1rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 2px 8px #0000004d}#user-avatar-btn:hover{transform:scale(1.05)}.header-row-modes{justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.header-row-selectors{width:100%;transition:all .35s cubic-bezier(.4,0,.2,1);overflow:hidden}.header-row-selectors.expanded{opacity:1;max-height:80px}.header-row-selectors.collapsed{opacity:0;pointer-events:none;max-height:0}.header-row-selectors .filter-controls{gap:12px;width:100%;display:flex}.header-row-selectors .stage-select{text-overflow:ellipsis;min-width:150px;max-width:220px}.header-row-selectors .article-select{text-overflow:ellipsis;min-width:220px;max-width:340px}@media (width<=768px){.app-container{box-sizing:border-box;gap:1rem;width:100%;max-width:100vw;padding:.5rem .5rem 2rem;overflow-x:hidden}.app-header{box-sizing:border-box;border-radius:16px;gap:10px;width:100%;padding:.75rem .85rem}.header-row-brand{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.header-brand-group{flex-shrink:0;align-items:center;gap:8px;display:flex}.header-title{white-space:nowrap;flex-shrink:0;font-size:1.08rem}.header-courses-btn{border-radius:18px;flex-shrink:0;justify-content:center;align-items:center;gap:5px;height:36px;padding:0 11px;font-size:.82rem;display:inline-flex}.header-courses-btn svg{width:13px;height:13px}.header-user-group{flex-shrink:0;align-items:center;gap:8px;display:flex}.header-version-badge{display:none}#user-avatar-btn{flex-shrink:0;width:36px;height:36px;font-size:.95rem}.header-row-modes{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}#fsrs-mode-toggle.voice-toggle{box-sizing:border-box;border-radius:14px;flex-shrink:0;align-items:center;height:38px;padding:3px;display:inline-flex}#fsrs-mode-toggle .toggle-option{box-sizing:border-box;border-radius:10px;justify-content:center;align-items:center;height:32px;padding:0 10px;font-size:.82rem;display:inline-flex}.mode-switcher{box-sizing:border-box;background:#00000040;border-radius:14px;flex-shrink:0;align-items:center;gap:3px;max-width:100%;height:38px;padding:3px;display:flex}.mode-switcher a{white-space:nowrap;box-sizing:border-box;border-radius:10px;justify-content:center;align-items:center;gap:4px;max-width:none;height:32px;padding:0 10px;font-size:.82rem;display:inline-flex}.mode-switcher a:not(.active) .mode-label{display:none}.header-row-selectors .filter-controls{grid-template-columns:1fr 1.3fr;gap:8px;width:100%;margin-bottom:0;display:grid}.header-row-selectors .stage-select,.header-row-selectors .article-select{box-sizing:border-box;border-radius:10px;width:100%;min-width:0;max-width:100%;height:36px;padding:0 10px;font-size:.84rem}}@media (width<=390px){.header-title{font-size:.95rem}.header-courses-btn{height:34px;padding:0 8px;font-size:.76rem}#user-avatar-btn{width:32px;height:32px;font-size:.88rem}#fsrs-mode-toggle.voice-toggle{height:36px}#fsrs-mode-toggle .toggle-option{height:30px;padding:0 8px;font-size:.78rem}.mode-switcher{height:36px}.mode-switcher a{height:30px;padding:0 8px;font-size:.78rem}}