:root{--primary: #00c2a8;--primary-dark: #00a891;--primary-light: #00e5cc;--accent: #00d4b4;--success: #00c2a8;--success-dark: #00a891;--danger: #ff4d6d;--danger-dark: #e0335a;--surface: rgba(255, 255, 255, .05);--surface-alt: rgba(255, 255, 255, .03);--surface-solid: #0f2035;--bg: #0a1628;--text: #d0f5ef;--text-muted: #5a9e96;--border: rgba(0, 194, 168, .22);--border-strong: rgba(0, 194, 168, .45);--radius: 12px;--radius-lg: 18px;--shadow: 0 4px 24px rgba(0, 0, 0, .45);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .55);--glow: 0 0 18px rgba(0, 194, 168, .3);--glow-lg: 0 0 36px rgba(0, 194, 168, .4)}*{box-sizing:border-box;margin:0;padding:0}button,input,select,textarea{font-family:inherit;font-weight:inherit}button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}body{font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#0a1628;background-image:radial-gradient(ellipse at 20% 20%,rgba(0,194,168,.07) 0%,transparent 55%),radial-gradient(ellipse at 80% 80%,rgba(0,100,200,.07) 0%,transparent 55%);background-attachment:fixed;color:var(--text);line-height:1.6;min-height:100vh;font-weight:500;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{max-width:820px;margin:0 auto;padding:1.5rem 1rem 4rem}h1{font-size:1.9rem;font-weight:800;color:var(--primary-light);letter-spacing:-.3px;text-shadow:0 0 24px rgba(0,229,204,.35)}h2{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:1.25rem;text-align:center}h3{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:.75rem}.main-header{display:flex;align-items:center;background:#0f2035d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-lg);padding:1rem 1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow),var(--glow);gap:1rem;border:1px solid var(--border-strong);border-bottom:2px solid var(--primary)}.main-header h1{margin-bottom:0}.daily-ring-wrap{position:relative;width:42px;height:42px;flex-shrink:0;margin-left:.75rem;cursor:default}.daily-ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800;color:var(--primary-light);line-height:1}.user-info{display:flex;align-items:center;gap:.75rem;margin-left:auto!important;margin-top:0!important;padding-bottom:0}.user-info span{font-size:.9rem;color:var(--text-muted);font-weight:500}.tabs-container{display:flex;background:#0f2035b3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);padding:.3rem;margin-bottom:1.5rem;box-shadow:var(--shadow);gap:.3rem;border:1px solid var(--border)}.tab-button{flex:1;padding:.7rem 1rem;background:transparent;border:none;border-radius:calc(var(--radius) - 4px);color:var(--text-muted);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;border-bottom:none!important}.tab-button:hover{background:#00c2a814;color:var(--primary-light)}.tab-button.active{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#0a1628;box-shadow:0 2px 12px #00c2a866;font-weight:700}.main-menu-buttons{display:flex;gap:.75rem;margin-bottom:1.5rem;flex-wrap:wrap}.main-menu-buttons button{flex:1;min-width:130px;background:#0f2035b3;color:var(--primary-light);border:1px solid var(--border);font-weight:600;font-size:.88rem;padding:.7rem .75rem;border-radius:var(--radius);box-shadow:var(--shadow);transition:all .2s ease}.main-menu-buttons button:hover{background:#00c2a81f;color:var(--primary-light);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow)}.container{background:#0f2035bf;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:1.75rem;border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:1.5rem;border:1px solid var(--border)}button,.button-label{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#081520;border:none;padding:.65rem 1.25rem;border-radius:var(--radius);cursor:pointer;font-size:.95rem;font-weight:700;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 2px 12px #00c2a84d;letter-spacing:.01em;position:relative;overflow:hidden}button:before,.button-label:before{content:"";position:absolute;top:0;left:0;right:0;height:44%;background:linear-gradient(to bottom,#ffffff2e,#fff0);border-radius:var(--radius) var(--radius) 0 0;pointer-events:none}button.secondary:before,.button-label.secondary:before,button.danger:before,.speak-button:before,.close-button:before,.link-button:before,.boss-btn:before,.tab-button:before{display:none}button:hover,.button-label:hover{background:linear-gradient(135deg,var(--primary-light),var(--primary));transform:translateY(-1px);box-shadow:0 4px 20px #00c2a873}button:active{transform:translateY(0)}button.secondary,.button-label.secondary{background:#0f2035b3;color:var(--text-muted);border:1px solid var(--border);box-shadow:none}button.secondary:hover,.button-label.secondary:hover{background:#00c2a814;color:var(--text);border-color:var(--primary);box-shadow:none}button.danger{background:linear-gradient(135deg,var(--danger),var(--danger-dark));color:#fff;box-shadow:0 2px 12px #ff4d6d4d}button.danger:hover{background:linear-gradient(135deg,#ff6b87,var(--danger));box-shadow:0 4px 20px #ff4d6d73}button:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}.button-group{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.logout-button{padding:.45rem .9rem;font-size:.85rem}input[type=text],input[type=password],select{width:100%;padding:.75rem 1rem;border-radius:var(--radius);border:1px solid var(--border);background:#0a1628b3;color:var(--text);font-size:1rem;transition:border-color .2s,box-shadow .2s;outline:none}input[type=text]:focus,input[type=password]:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #00c2a82e,var(--glow);background:#0a1628e6}input[type=text]::placeholder,input[type=password]::placeholder{color:var(--text-muted);opacity:.7}select option{background:#0f2035;color:var(--text)}input[type=file]{display:none}.form{display:flex;flex-direction:column;gap:.9rem}.form-inline{display:flex;gap:.75rem;align-items:center}.form-inline input{flex-grow:1}.list{list-style:none;padding:0}.list-item{display:flex;justify-content:space-between;align-items:center;padding:.9rem .75rem;border-radius:var(--radius);transition:background .15s;gap:.75rem;margin-bottom:.2rem;border:1px solid transparent}.list-item:hover{background:#00c2a80f;border-color:var(--border)}.list-item>span:first-child{font-weight:500;color:var(--text);flex:1;min-width:0;word-break:break-word;line-height:1.5}.list-item span{font-weight:500;color:var(--text)}.list-item .button-group{flex-shrink:0}.header-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;gap:1rem}.suggestion-box{background:#00c2a814;border:1px solid var(--border-strong);border-radius:var(--radius);padding:.7rem 1rem;margin-top:-.4rem;font-size:.9rem;display:flex;justify-content:space-between;align-items:center;gap:.75rem;animation:fadeIn .2s ease}.suggestion-box span{color:var(--text-muted)}.suggestion-box strong{color:var(--primary-light)}.suggestion-box button{padding:.3rem .75rem;font-size:.85rem;box-shadow:none}.photo-add-container{background:#00c2a80a;border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:1.5rem;text-align:center;margin-top:1.5rem}.photo-add-container h3{color:var(--primary)}.photo-add-container p{color:var(--text-muted);margin-bottom:1rem;font-size:.9rem}.export-container{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.training-setup-view{text-align:center}.training-setup-view p{color:var(--text-muted);margin-bottom:.75rem}.mode-selection{display:flex;flex-direction:column;gap:.9rem;margin-top:1.5rem}.mode-selection button{background:#0f2035cc;border:1px solid var(--border);width:100%;padding:1.2rem 1.5rem;text-align:left;color:var(--text);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:all .2s ease}.mode-selection button:hover{background:#00c2a81a;border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow);color:var(--text)}.mode-selection h3{margin-bottom:.3rem;color:var(--primary-light);font-size:1rem}.mode-selection span{font-size:.87rem;color:var(--text-muted);font-weight:400}.training-card{text-align:center;padding:2rem 1.5rem}.training-card h2{color:var(--text-muted);font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}.training-card .word{font-size:3.2rem;font-weight:800;margin:1.5rem 0 1rem;color:var(--primary-light);text-shadow:0 0 36px rgba(0,229,204,.5),0 0 80px rgba(0,229,204,.15);display:flex;align-items:center;justify-content:center;gap:.75rem;line-height:1.15;letter-spacing:-.5px}.training-card input[type=text]{font-size:1.15rem;text-align:center;padding:1rem}.training-card .feedback{margin-top:1.25rem;font-size:1rem;font-weight:600;padding:1rem 1.25rem;border-radius:var(--radius);animation:fadeIn .3s ease}.feedback.correct{background:#00c2a81f;color:var(--primary-light);border:1px solid rgba(0,194,168,.45);box-shadow:0 0 20px #00c2a826}.feedback.incorrect{background:#ff4d6d1a;color:#ff8fa3;border:1px solid rgba(255,77,109,.35);box-shadow:0 0 20px #ff4d6d1f}.feedback.checking{background:#00c2a80f;color:var(--primary);border:1px solid var(--border)}.ai-insight{margin-top:.75rem;font-size:.9rem;font-weight:400;color:var(--text);background:#ffffff0a;padding:.75rem;border-radius:calc(var(--radius) - 4px);text-align:left;line-height:1.5;border:1px solid var(--border)}.progress-bar{width:100%;background:#ffffff12;border-radius:99px;overflow:hidden;margin-bottom:1.5rem;height:8px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));width:0%;transition:width .4s ease;border-radius:99px;box-shadow:0 0 10px #00c2a880}.training-summary{text-align:center}.training-summary p{font-size:1.05rem;margin-bottom:.5rem;color:var(--text-muted)}.spinner{width:44px;height:44px;border:4px solid rgba(0,194,168,.15);border-top:4px solid var(--primary);border-radius:50%;animation:spin .9s linear infinite;box-shadow:0 0 12px #00c2a833}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-indicator{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1rem;margin:3rem 0;color:var(--primary);font-weight:600;font-size:1.05rem}.spinner-inline{width:1em;height:1em;border:.15em solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .75s linear infinite;display:inline-block;vertical-align:text-bottom}.speak-button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.3rem;font-size:1.2rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;transition:color .2s,background .2s;vertical-align:middle;box-shadow:none}.speak-button:hover{color:var(--primary-light);background:#00c2a81f;transform:none;box-shadow:none}.notification{position:fixed;top:1.25rem;left:50%;transform:translate(-50%);padding:.85rem 1.4rem;border-radius:var(--radius);color:#081520;display:flex;align-items:center;justify-content:space-between;gap:1rem;z-index:1000;box-shadow:0 6px 32px #0006;min-width:260px;max-width:90vw;animation:notification-slide-in .3s ease forwards;font-weight:700;font-size:.95rem}.notification.success{background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:var(--shadow),var(--glow-lg)}.notification.error{background:linear-gradient(135deg,var(--danger),var(--danger-dark));box-shadow:var(--shadow),0 0 28px #ff4d6d59;color:#fff}.close-button{background:none;border:none;color:inherit;font-size:1.4rem;font-weight:700;line-height:1;cursor:pointer;padding:0 .25rem;opacity:.75;transition:opacity .2s;box-shadow:none}.close-button:hover{opacity:1;background:none;transform:none;box-shadow:none}@keyframes notification-slide-in{0%{opacity:0;transform:translate(-50%,-16px)}to{opacity:1;transform:translate(-50%)}}.auth-container{max-width:400px;margin:4rem auto}.auth-container h2{font-size:1.7rem;margin-bottom:1.5rem}.auth-switch{text-align:center;margin-top:1.25rem;font-size:.92rem;color:var(--text-muted)}.link-button{background:none;border:none;color:var(--primary-light);font-weight:600;text-decoration:underline;cursor:pointer;font-size:inherit;box-shadow:none;padding:0}.link-button:hover{color:var(--primary);background:none;transform:none;box-shadow:none}.empty-state{text-align:center;padding:2.5rem 1.5rem;animation:fadeIn .4s ease}.empty-state-icon{font-size:3.5rem;display:block;margin-bottom:1rem;line-height:1}.empty-state h3{font-size:1.3rem;color:var(--text);margin-bottom:.5rem}.empty-state p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.95rem}.empty-state-form{display:flex;flex-direction:column;gap:.75rem;max-width:360px;margin:0 auto}.empty-state-form input{text-align:center;font-size:1rem}.empty-state-form button{font-size:1rem;padding:.8rem 1.5rem}.empty-state--small{padding:1.5rem 1rem;background:#00c2a80a;border-radius:var(--radius);margin-bottom:.5rem;border:1px solid var(--border)}.empty-state--small .empty-state-icon{font-size:2rem;margin-bottom:.5rem}.empty-state--small p{margin-bottom:0;font-size:.9rem}.dashboard{margin-bottom:1.5rem}.stat-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:.75rem}.stat-tile{background:#0f2035bf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-radius:var(--radius);padding:1.1rem .75rem;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:.3rem;border:1px solid var(--border);border-top:2px solid var(--border);transition:border-top-color .2s}.stat-tile--success{border-top-color:var(--primary)}.stat-tile--warn{border-top-color:var(--danger)}.stat-number{font-size:2rem;font-weight:800;color:var(--primary-light);line-height:1;text-shadow:0 0 16px rgba(0,229,204,.3)}.stat-label{font-size:.75rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.action-cards{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-bottom:.75rem}.action-card{background:#0f2035bf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.15rem 1.25rem;text-align:left;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow);transition:all .22s ease;width:100%;color:var(--text)}.action-card:hover{background:#00c2a81a;border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow);color:var(--text)}.action-card-icon{font-size:1.9rem;flex-shrink:0;line-height:1}.action-card-text h3{color:var(--primary-light);margin-bottom:.2rem;font-size:.95rem}.action-card-text span{font-size:.82rem;color:var(--text-muted);font-weight:400;line-height:1.4}.secondary-actions{display:flex;gap:.75rem}.secondary-actions button{flex:1;font-size:.88rem}@keyframes cardShake{0%,to{transform:translate(0)}20%{transform:translate(-9px)}40%{transform:translate(9px)}60%{transform:translate(-6px)}80%{transform:translate(6px)}}@keyframes cardBounce{0%,to{transform:translateY(0) scale(1)}35%{transform:translateY(-10px) scale(1.02)}65%{transform:translateY(-5px) scale(1.01)}}@keyframes cardSlideIn{0%{opacity:0;transform:translate(28px)}to{opacity:1;transform:translate(0)}}.card-shake{animation:cardShake .5s ease}.card-bounce{animation:cardBounce .55s ease}.card-slide-in{animation:cardSlideIn .35s ease}.training-top-bar{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.streak-badge{background:linear-gradient(135deg,#f59e0b,#fb923c);color:#fff;font-weight:800;font-size:.9rem;padding:.3rem .75rem;border-radius:99px;white-space:nowrap;box-shadow:0 2px 12px #f59e0b73;animation:fadeIn .3s ease}.confetti-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}.confetti-piece{position:absolute;top:-12px;animation:confettiFall linear forwards}@keyframes confettiFall{0%{transform:translateY(0) rotate(0);opacity:1}80%{opacity:1}to{transform:translateY(340px) rotate(540deg);opacity:0}}.summary-icon{font-size:3.5rem;margin-bottom:.75rem;animation:cardBounce .6s ease}.summary-stats{display:flex;gap:1.5rem;justify-content:center;margin:1.25rem 0}.summary-stat{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:1rem 1.5rem;border-radius:var(--radius);min-width:90px}.summary-stat--correct{background:#00c2a81f;border:1px solid rgba(0,194,168,.35)}.summary-stat--wrong{background:#ff4d6d1a;border:1px solid rgba(255,77,109,.3)}.summary-stat-number{font-size:2.2rem;font-weight:800;color:var(--primary-light);line-height:1;text-shadow:0 0 16px rgba(0,229,204,.3)}.summary-stat--wrong .summary-stat-number{color:#ff8fa3;text-shadow:0 0 16px rgba(255,77,109,.25)}.summary-stat-label{font-size:.8rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.summary-ring-wrap{position:relative;width:132px;height:132px;margin:.5rem auto .75rem}.summary-ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.1rem}.summary-ring-pct{font-size:1.7rem;font-weight:800;color:var(--primary-light);line-height:1;text-shadow:0 0 20px rgba(0,229,204,.4)}.summary-ring-icon{font-size:1.2rem;line-height:1}.summary-sub{color:var(--text-muted);font-size:.95rem;margin-bottom:1.25rem}.personal-best-banner{background:linear-gradient(135deg,#f59e0b,#fb923c);color:#fff;font-weight:800;font-size:.95rem;padding:.5rem 1.25rem;border-radius:99px;display:inline-block;margin-bottom:1rem;box-shadow:0 3px 16px #f59e0b80;animation:cardBounce .6s ease}.summary-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem;max-width:360px;margin-left:auto;margin-right:auto}.summary-actions button{width:100%;padding:.9rem 1.5rem}.due-banner{width:100%;display:flex;align-items:center;gap:1rem;background:#00c2a814;border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:1rem 1.25rem;margin-bottom:.75rem;text-align:left;color:var(--text);box-shadow:var(--shadow),var(--glow);animation:fadeIn .4s ease;transition:all .2s ease}.due-banner:hover{background:#00c2a824;border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow),var(--glow-lg)}.due-banner-icon{font-size:2rem;flex-shrink:0}.due-banner>div{flex:1;display:flex;flex-direction:column;gap:.2rem}.due-banner>div strong{font-size:1rem;font-weight:800;color:var(--primary-light)}.due-banner>div span{font-size:.85rem;color:var(--text-muted);font-weight:500}.due-banner-arrow{font-size:1.3rem;color:var(--primary);font-weight:800;flex-shrink:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:.5rem}@media(max-width:600px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.heatmap-wrap{overflow-x:auto;padding-bottom:.5rem}.heatmap-dow{display:grid;grid-template-rows:repeat(7,14px);gap:2px;float:left;margin-right:4px;padding-top:2px}.heatmap-dow span{font-size:.62rem;color:var(--text-muted);font-weight:600;line-height:14px;text-align:right}.heatmap-grid{display:grid;grid-template-rows:repeat(7,14px);grid-auto-flow:column;gap:2px}.heatmap-cell{width:14px;height:14px;border-radius:3px;transition:opacity .2s;cursor:default}.heatmap-cell:hover{opacity:.75}.heatmap-legend{display:flex;align-items:center;gap:3px;margin-top:.6rem;clear:both}.heatmap-legend span{font-size:.72rem;color:var(--text-muted);font-weight:600;margin:0 4px}.boss-btn{background:linear-gradient(135deg,var(--danger),var(--danger-dark));color:#fff;padding:.45rem .7rem;font-size:.9rem;border-radius:var(--radius);box-shadow:0 2px 10px #ff4d6d59}.boss-btn:hover{background:linear-gradient(135deg,#ff6b87,var(--danger));transform:translateY(-1px);box-shadow:0 4px 18px #ff4d6d73}.boss-intro{text-align:center;padding:2rem 1.5rem}.boss-skull{font-size:3.5rem;margin-bottom:.5rem;animation:cardBounce .7s ease}.boss-sub{color:var(--text-muted);font-size:1rem;margin-bottom:1.25rem}.boss-rules{display:flex;justify-content:center;gap:1.25rem;margin-bottom:1.5rem;flex-wrap:wrap}.boss-rules span{background:#ff4d6d14;border:1px solid rgba(255,77,109,.3);border-radius:99px;padding:.35rem .9rem;font-size:.88rem;font-weight:600;color:#ff8fa3}.boss-start-btn{width:100%;max-width:320px;padding:1rem 1.5rem;font-size:1.1rem;font-weight:800;background:linear-gradient(135deg,var(--danger),var(--danger-dark));color:#fff;box-shadow:0 4px 20px #ff4d6d66;margin-bottom:.75rem}.boss-start-btn:hover{background:linear-gradient(135deg,#ff6b87,var(--danger));transform:translateY(-2px)}.boss-playing{text-align:center;padding:1.25rem 1.25rem 1.5rem}.boss-timer-bar{width:100%;background:#ffffff12;border-radius:99px;height:10px;overflow:hidden;margin-bottom:.4rem}.boss-timer-fill{height:100%;border-radius:99px;transition:width 1s linear,background .5s ease}.boss-timer-label{font-size:1.6rem;font-weight:800;line-height:1;margin-bottom:.5rem;transition:color .5s ease}.boss-progress{font-size:.85rem;color:var(--text-muted);font-weight:600;margin-bottom:1.25rem}.boss-word{font-size:2.2rem;font-weight:800;color:var(--primary-light);text-shadow:0 0 24px rgba(0,229,204,.35);margin-bottom:1.25rem;line-height:1.2}.boss-input{width:100%;font-size:1.15rem;text-align:center;padding:1rem;border:1px solid rgba(255,77,109,.3);border-radius:var(--radius);background:#0a1628cc;color:var(--text);margin-bottom:.75rem;outline:none;transition:border-color .2s,box-shadow .2s}.boss-input:focus{border-color:var(--danger);box-shadow:0 0 0 3px #ff4d6d24,0 0 18px #ff4d6d1f}.boss-submit-btn{width:100%;padding:1rem;font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--danger),var(--danger-dark));color:#fff;box-shadow:0 2px 14px #ff4d6d59}.boss-submit-btn:hover{background:linear-gradient(135deg,#ff6b87,var(--danger))}.flip-card-view{text-align:center;padding:1.5rem 1.25rem 1rem;position:relative}.flip-card-counter{font-size:.85rem;color:var(--text-muted);font-weight:600;white-space:nowrap}.flip-card-scene{perspective:1000px;width:100%;max-width:400px;height:220px;margin:.75rem auto;will-change:transform}.flip-card-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.22,1,.36,1)}.flip-card-inner.flipped{transform:rotateY(180deg)}.flip-card-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:1.5rem;box-shadow:var(--shadow-lg)}.flip-card-front{background:#0f2035e6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border)}.flip-card-back{background:#00c2a81a;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-strong);box-shadow:var(--shadow-lg),var(--glow);transform:rotateY(180deg)}.flip-card-lang-label{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.flip-card-word{font-size:2rem;font-weight:800;color:var(--primary-light);line-height:1.2;text-shadow:0 0 24px rgba(0,229,204,.35)}.flip-card-tap-hint{font-size:.82rem;color:var(--text-muted);margin-top:.25rem}.flip-card-swipe-hint{font-size:.78rem;color:var(--primary);font-weight:600;margin-top:.25rem}.swipe-hint{position:absolute;top:50%;transform:translateY(-50%);font-size:1rem;font-weight:800;padding:.5rem 1rem;border-radius:99px;opacity:0;transition:opacity .15s ease;pointer-events:none;z-index:5}.swipe-hint.visible{opacity:1}.swipe-hint--right{right:.5rem;background:#00c2a826;color:var(--primary-light);border:1px solid var(--border-strong)}.swipe-hint--left{left:.5rem;background:#ff4d6d1f;color:#ff8fa3;border:1px solid rgba(255,77,109,.3)}.flip-card-actions{display:flex;gap:.75rem;margin:.75rem auto 0;max-width:420px;animation:fadeIn .25s ease}.flip-btn{flex:1;padding:.9rem 1rem;font-size:1rem;font-weight:700;border-radius:var(--radius-lg);min-height:52px}.flip-btn--right{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#081520;box-shadow:0 2px 12px #00c2a859}.flip-btn--right:hover{background:linear-gradient(135deg,var(--primary-light),var(--primary));box-shadow:0 4px 20px #00c2a880}.flip-btn--wrong{background:#0f2035cc;color:#ff8fa3;border:1px solid rgba(255,77,109,.35);box-shadow:none}.flip-btn--wrong:hover{background:#ff4d6d1a;border-color:var(--danger);transform:translateY(-1px)}.training-action-bar{display:flex;flex-direction:column;gap:.75rem;margin-top:1.25rem}.training-cta-btn{width:100%;padding:1rem 1.5rem;font-size:1.1rem;font-weight:700;letter-spacing:.02em}.training-abort-btn{width:100%;font-size:.88rem;padding:.6rem 1rem;color:var(--text-muted)}@keyframes bgFlashCorrect{0%{opacity:0}15%{opacity:1}to{opacity:0}}@keyframes bgFlashIncorrect{0%{opacity:0}15%{opacity:1}to{opacity:0}}.bg-flash{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;border-radius:inherit}.bg-flash--correct{background:radial-gradient(ellipse at center,#00e5cc38,#00c2a80f 70%);animation:bgFlashCorrect .65s ease forwards}.bg-flash--incorrect{background:radial-gradient(ellipse at center,#ff4d6d33,#ff4d6d0a 70%);animation:bgFlashIncorrect .65s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes viewEnter{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.view-transition{animation:viewEnter .28s cubic-bezier(.22,1,.36,1) both}@media(prefers-reduced-motion:reduce){.view-transition{animation:none}}@media(max-width:600px){#root{padding:.75rem .75rem 3rem}.main-header{flex-wrap:wrap;padding:.9rem 1rem}.main-header h1{font-size:1.4rem;width:100%}.user-info{margin-left:0!important;width:100%;flex-wrap:wrap;gap:.5rem}.logout-button{width:100%}h2{font-size:1.25rem}.training-card .word{font-size:1.8rem}.main-menu-buttons{flex-direction:column}.main-menu-buttons button{width:100%}.list-item{flex-direction:column;align-items:flex-start}.list-item .button-group{width:100%}.list-item .button-group button{flex:1}.form-inline{flex-direction:column;align-items:stretch}.header-controls{flex-direction:column;align-items:flex-start}.button-group button{font-size:.85rem;padding:.5rem .7rem}.container{padding:1.25rem 1rem}.notification{width:calc(100vw - 2rem);min-width:unset}.stat-tiles{grid-template-columns:repeat(2,1fr)}.action-cards{grid-template-columns:1fr}.secondary-actions{flex-direction:column}.training-card{display:flex;flex-direction:column;min-height:calc(100dvh - 7rem);padding:1.25rem 1rem}.training-card .word{font-size:1.7rem}.training-card input[type=text]{font-size:16px;padding:1rem;text-align:center}.training-action-bar{margin-top:auto;padding-top:1rem}.training-cta-btn{min-height:56px;font-size:1.15rem;border-radius:var(--radius-lg)}.training-abort-btn{font-size:.82rem;padding:.55rem 1rem;opacity:.75}.training-abort-btn:hover{opacity:1}.training-card{padding-bottom:max(1.25rem,env(safe-area-inset-bottom))}}.rewards-total{display:flex;flex-direction:column;align-items:center;gap:.25rem;margin:1.5rem 0;padding:1.5rem 1rem;background:linear-gradient(135deg,#00c2a824,#00c2a80a);border:1px solid rgba(0,194,168,.35);border-radius:var(--radius-lg);box-shadow:inset 0 0 40px #00c2a80d}.rewards-total-points{font-size:3.2rem;font-weight:800;color:var(--primary-light);text-shadow:var(--glow-lg);line-height:1}.rewards-total-label{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.rewards-unlock-progress{margin-top:.5rem;font-size:.82rem;color:var(--primary);font-weight:600}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:.9rem;margin-top:1.5rem}.achievement-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem .85rem 1rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.35rem;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.achievement-card--unlocked{border-color:#00c2a873;box-shadow:0 0 18px #00c2a821,inset 0 0 20px #00c2a80a}.achievement-card--unlocked:hover{transform:translateY(-4px);box-shadow:0 6px 24px #00c2a842,inset 0 0 20px #00c2a80f;border-color:var(--primary)}.achievement-card--locked{opacity:.38;filter:grayscale(.6)}.achievement-badge{font-size:2.4rem;line-height:1;margin-bottom:.2rem}.achievement-title{font-weight:700;font-size:.84rem;color:var(--text);line-height:1.2}.achievement-desc{font-size:.72rem;color:var(--text-muted);line-height:1.35}.achievement-points{font-size:.78rem;font-weight:800;color:var(--primary);margin-top:.15rem;letter-spacing:.03em}.achievement-date{font-size:.68rem;color:var(--text-muted);margin-top:.1rem;opacity:.75}@media(max-width:500px){.achievements-grid{grid-template-columns:repeat(2,1fr);gap:.7rem}.achievement-badge{font-size:2rem}}