:root{--primary:#d44581;--primary-dark:#b43264;--ink:#0a3746;--muted:#6c757d;--surface:#fffdfb;--green:#10b981;--blue:#0d6efd;--space:1rem;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14.4px}*{box-sizing:border-box}html,body{background:var(--surface);min-height:100%;margin:0}body{line-height:1.5}#__next{flex-direction:column;min-height:100vh;display:flex}main{flex:1}a{color:var(--primary)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--ink);outline-offset:3px}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{background:#fff;border-bottom:1px solid #eee}.site-footer{border-top:1px solid #eee;margin-top:auto}.site-nav{justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.site-links{align-items:center;gap:1rem;display:flex}.nav-toggle{background:0 0;border:0;font-size:1.5rem;display:none}.language-switcher{align-items:center;gap:.35rem;display:inline-flex}.language-switcher select{color:var(--ink);background:0 0;border:0;padding:.25rem}.cooltext{background:linear-gradient(to right,var(--primary),#ffa47d,var(--primary));color:#0000;background-size:200% 100%;-webkit-background-clip:text;background-clip:text;animation:3s linear infinite gradientScroll}.bg-features{background:#faf7f9}.container{width:100%;margin-inline:auto;padding-inline:12px}.row{flex-wrap:wrap;margin-inline:-12px;display:flex}.row>*{padding-inline:12px}.col{flex:1 0 0}.col-auto{flex:none;width:auto}.col-12{flex:none;width:100%}.col-6{flex:none;width:50%}.col-5{flex:none;width:41.6667%}.col-4{flex:none;width:33.3333%}.col-3{flex:none;width:25%}.col-2{flex:none;width:16.6667%}.col-lg-3,.col-lg-4,.col-lg-7,.col-lg-8,.col-md-2,.col-md-4,.col-md-5,.col-md-6,.col-md-7,.col-md-8,.col-sm-3,.col-sm-4,.col-sm-6{flex:0 0 100%;width:100%}.d-flex{display:flex!important}.d-inline-flex{display:inline-flex!important}.d-none{display:none!important}.flex-column{flex-direction:column!important}.flex-wrap{flex-wrap:wrap!important}.flex-fill{flex:auto!important}.flex-grow-1{flex-grow:1!important}.flex-shrink-0{flex-shrink:0!important}.align-items-center{align-items:center!important}.align-items-start{align-items:flex-start!important}.align-items-stretch{align-items:stretch!important}.justify-content-center{justify-content:center!important}.justify-content-between{justify-content:space-between!important}.justify-content-end{justify-content:flex-end!important}.justify-content-start{justify-content:flex-start!important}.gap-1{gap:.25rem!important}.gap-2{gap:.5rem!important}.gap-3{gap:1rem!important}.gap-4{gap:1.5rem!important}.g-2{gap:.5rem}.g-3{gap:1rem}.g-4{gap:1.5rem}.w-100{width:100%!important}.h-100{height:100%!important}.position-relative{position:relative!important}.position-absolute{position:absolute!important}.position-fixed{position:fixed!important}.overflow-hidden{overflow:hidden!important}.top-0{top:0}.start-0{left:0}.mx-auto{margin-inline:auto!important}.m-0{margin:0!important}.mt-1{margin-top:.25rem!important}.mt-2{margin-top:.5rem!important}.mt-3{margin-top:1rem!important}.mt-4{margin-top:1.5rem!important}.mt-5{margin-top:3rem!important}.mt-6{margin-top:4rem!important}.mt-auto{margin-top:auto!important}.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:.25rem!important}.mb-2{margin-bottom:.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}.mb-5{margin-bottom:3rem!important}.mb-6{margin-bottom:4rem!important}.ms-1{margin-left:.25rem!important}.ms-2{margin-left:.5rem!important}.ms-auto{margin-left:auto!important}.me-1{margin-right:.25rem!important}.me-2{margin-right:.5rem!important}.me-3{margin-right:1rem!important}.p-0{padding:0!important}.p-2{padding:.5rem!important}.p-3{padding:1rem!important}.p-4{padding:1.5rem!important}.px-2{padding-inline:.5rem!important}.px-3{padding-inline:1rem!important}.px-4{padding-inline:1.5rem!important}.px-5{padding-inline:3rem!important}.py-1{padding-block:.25rem!important}.py-2{padding-block:.5rem!important}.py-3{padding-block:1rem!important}.py-4{padding-block:1.5rem!important}.py-5{padding-block:3rem!important}.py-8{padding-block:8rem!important}.pt-0{padding-top:0!important}.pl-6{padding-left:4rem!important}.pl-8{padding-left:8rem!important}.text-center{text-align:center!important}.text-end{text-align:right!important}.text-start{text-align:left!important}.text-white{color:#fff!important}.text-primary{color:var(--primary)!important}.text-secondary,.text-muted{color:#6c757d!important}.text-success{color:var(--green)!important}.text-danger{color:#dc3545!important}.text-info{color:#0dcaf0!important}.text-warning{color:#b8860b!important}.text-dark{color:#212529!important}.fw-bold{font-weight:700!important}.fw-semibold{font-weight:600!important}.fw-normal{font-weight:400!important}.small{font-size:.875em}.lead{font-size:1.25rem;font-weight:300}.fs-3{font-size:1.75rem!important}.fs-4{font-size:1.5rem!important}.fs-5{font-size:1.25rem!important}.fs-6{font-size:1rem!important}.h2,h2{font-size:2rem}.h3,h3{font-size:1.75rem}.h4,h4{font-size:1.5rem}.h5,h5,.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-3xl{font-size:1.875rem}.text-decoration-none{text-decoration:none!important}.text-uppercase{text-transform:uppercase}.text-nowrap{white-space:nowrap}.list-unstyled{padding-left:0;list-style:none}.list-disc{list-style:outside}.bg-primary{background-color:var(--primary)!important}.bg-success{background-color:var(--green)!important}.bg-warning{background-color:#ffc107!important}.bg-light{background-color:#f8f9fa!important}.bg-dark{background-color:#212529!important}.bg-white{background-color:#fff!important}.bg-transparent{background:0 0!important}.bg-opacity-10{--bg-opacity:.1}.bg-primary.bg-opacity-10{background-color:#d445811a!important}.bg-success.bg-opacity-10{background-color:#10b9811a!important}.bg-warning.bg-opacity-10{background-color:#ffc1071a!important}.border{border:1px solid #dee2e6!important}.border-0{border:0!important}.border-primary{border-color:var(--primary)!important}.border-warning{border-color:#ffc107!important}.rounded{border-radius:.375rem!important}.rounded-3{border-radius:.75rem!important}.rounded-4{border-radius:1rem!important}.rounded-circle{border-radius:50%!important}.rounded-pill{border-radius:50rem!important}.shadow-sm{box-shadow:0 .125rem .25rem #00000013!important}.shadow-lg{box-shadow:0 1rem 3rem #0000002d!important}.opacity-90{opacity:.9}.card{background:#fff;border:1px solid #00000020;border-radius:.375rem}.card-body{padding:1rem}.card-header{background:#00000008;border-bottom:1px solid #00000020;padding:.5rem 1rem}.badge{color:#fff;border-radius:.375rem;padding:.35em .65em;font-size:.75em;font-weight:700;line-height:1;display:inline-block}.alert{border:1px solid #0000;border-radius:.375rem;margin-bottom:1rem;padding:1rem;position:relative}.alert-success{color:#0f5132;background:#d1e7dd;border-color:#badbcc}.alert-danger{color:#842029;background:#f8d7da;border-color:#f5c2c7}.alert-warning{color:#664d03;background:#fff3cd;border-color:#ffecb5}.alert-info{color:#055160;background:#cff4fc;border-color:#b6effb}.alert-primary{color:#084298;background:#cfe2ff;border-color:#b6d4fe}.alert-dismiss{color:inherit;background:0 0;border:0;font-size:1.25rem;line-height:1;position:absolute;top:.75rem;right:.75rem}.progress{background:#e9ecef;border:0;border-radius:.375rem;width:100%;height:1rem;display:block;overflow:hidden}.progress::-webkit-progress-bar{background:#e9ecef}.progress::-webkit-progress-value{background:var(--primary);border-radius:inherit}.progress::-moz-progress-bar{background:var(--primary);border-radius:inherit}.progress-success::-webkit-progress-value{background:var(--green)}.progress-success::-moz-progress-bar{background:var(--green)}.progress-warning::-webkit-progress-value{background:#ffc107}.progress-warning::-moz-progress-bar{background:#ffc107}.progress-danger::-webkit-progress-value{background:#dc3545}.progress-danger::-moz-progress-bar{background:#dc3545}.spinner{border:.25em solid;border-right-color:#0000;border-radius:50%;width:2rem;height:2rem;animation:.75s linear infinite spin;display:inline-block}.form-group{margin-bottom:1rem}.form-label{margin-bottom:.5rem;display:inline-block}.form-control,.form-select{width:100%;color:var(--ink);background:#fff;border:1px solid #ced4da;border-radius:.375rem;padding:.375rem .75rem;display:block}.form-control:focus,.form-select:focus{border-color:var(--primary);outline:0;box-shadow:0 0 0 .25rem #d4458140}.btn{border:1px solid #0000;border-radius:.375rem;justify-content:center;align-items:center;gap:.35rem;padding:.375rem .75rem;font-weight:400;line-height:1.5;text-decoration:none;transition:transform .15s,background-color .15s,box-shadow .15s;display:inline-flex}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-secondary{color:#fff;background:#6c757d;border-color:#6c757d}.btn-success{background:var(--green);border-color:var(--green);color:#fff}.btn-danger{color:#fff;background:#dc3545;border-color:#dc3545}.btn-warning{color:#212529;background:#ffc107;border-color:#ffc107}.btn-info{color:#000;background:#0dcaf0;border-color:#0dcaf0}.btn-light{color:#212529;background:#f8f9fa;border-color:#f8f9fa}.btn-dark{color:#fff;background:#212529;border-color:#212529}.btn-link{color:var(--primary);background:0 0;border-color:#0000}.btn-outline-primary{color:var(--primary);border-color:var(--primary);background:0 0}.btn-outline-secondary{color:#6c757d;background:0 0;border-color:#6c757d}.btn-sm{border-radius:.25rem;padding:.25rem .5rem;font-size:.875rem}.btn-lg{border-radius:.5rem;padding:.5rem 1rem;font-size:1.25rem}.btn:hover:not(:disabled){filter:brightness(.96);transform:translateY(-1px)}.btn-group{vertical-align:middle;display:inline-flex}.btn-group>.btn{border-radius:0}.btn-group>.btn:first-child{border-radius:.375rem 0 0 .375rem}.btn-group>.btn:last-child{border-radius:0 .375rem .375rem 0}.game-card{cursor:pointer;text-align:left;border:0;width:100%;transition:transform .2s}.game-card:hover{transform:translateY(-3px)}.shiny{position:relative;overflow:hidden}.shiny:after{content:"";background:linear-gradient(110deg,#0000 20%,#ffffff59 45%,#0000 70%);animation:2.5s infinite shine;position:absolute;inset:0;transform:translate(-100%)}.session-progress-minimal{width:100%}.btn-play-pause{color:#fff;background:#0d6efd;border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;transition:transform .2s,background .2s;display:flex}.btn-play-pause:hover{background:#0b5ed7;transform:scale(1.1)}.reaction-time-game .game-area{transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 10px 30px #0003}.reaction-time-game .phase-text{text-shadow:2px 2px 4px #0000004d;animation:2s infinite pulse}.reaction-time-game .countdown{font-size:4rem;font-weight:700;animation:1s infinite bounce}.reaction-time-game .click-indicator{animation:.5s ease-in-out flash}.xylophone-container{-webkit-user-select:none;user-select:none}.xylophone-key{touch-action:manipulation}.xylophone-key:hover:not(.xylophone-key-pressed){transform:translateY(-2px);box-shadow:0 4px 12px #0006,inset 0 -2px 4px #ffffff26!important}.xylophone-key:active,.xylophone-key.xylophone-key-pressed{transform:translateY(4px)!important;box-shadow:inset 0 4px 6px #0006!important}.xylophone-key:focus{outline-offset:2px;outline:2px solid #d4458180}.xylophone-key-natural:hover:not(.xylophone-key-pressed){filter:brightness(1.1)}.xylophone-key-sharp{z-index:11;margin-bottom:40px!important}.xylophone-key-sharp:hover:not(.xylophone-key-pressed){filter:brightness(1.2)}.coolbox{isolation:isolate;color:#b43264b3;background:radial-gradient(#ffffffde);border-radius:30px;margin:.5rem;padding:1rem;animation:6s ease-in-out infinite alternate boxWobble;position:relative}.coolbox:before{content:"";z-index:0;will-change:background-position;pointer-events:none;-webkit-mask-composite:xor;background:linear-gradient(45deg,#ff8fc1,#ffb697 25%,#97dbff 50%,#ff8fc1 75%,#ffb697) 0 0/400% 400%;border-radius:35px;padding:5px;animation:10s ease-in-out infinite gradientFlow;position:absolute;inset:-5px;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.coolbox>*{z-index:1;position:relative}.coolbox:after{content:"";z-index:20;pointer-events:none;will-change:opacity,transform;-webkit-backdrop-filter:blur(6px);opacity:0;visibility:hidden;background:#48bb7824;position:absolute;inset:0;transform:scale(1.02)}.coolbox-positive:after,.coolbox-negative:after{visibility:visible;animation:.4s ease-out forwards coolboxFlash}.coolbox-negative:after{background:#dc35452e}.coolbox .form-control,.coolbox .form-select{color:#b43264b3;background-color:#fff9;border:none}.coolbox .form-control:focus,.coolbox .form-select:focus{box-shadow:none;outline:none}.coolbox .form-control::placeholder,.coolbox .form-select::placeholder{color:#b43264b3}.coolinput{color:#a6265cb3;cursor:pointer;background:#ffffff80;border:2px dashed #d4458133;border-radius:20px;padding:2rem}.coolinput svg{width:2.5rem;height:2.5rem}.coolinput:active,.coolinput:focus,.coolinput:hover{background:#cf30731a;border:2px dashed #d4458180;transition:background .3s,box-shadow .2s}.coolinput input{color:#fff;background:#d44581;border:none;border-radius:20px;width:100%;padding:.5rem 1rem}.coolinput input:focus{outline:none;transition:all .2s ease-in-out;transform:scale(1.02);box-shadow:0 0 10px #d445814d}.coolinput button svg{width:1.5rem!important;height:1.5rem!important}.coolbtn2{cursor:pointer;color:#ffffff1a;opacity:.5;background:#d44581;border:none;border-radius:50%;outline:none;justify-content:center;align-items:center;width:4rem;height:4rem;margin:0;padding:0;transition:opacity .3s;display:flex}.coolbtn2.has-file{opacity:1}.coolbtn2 img,.coolbtn2 svg{color:#fff;font-size:3.5rem;transition:opacity .3s}.coolbox-time-track{z-index:21;opacity:0;pointer-events:none;background:linear-gradient(90deg,#10b981 0%,#a3e635 45%,#facc15 72%,#f97316 88%,#ef4444 100%);border-radius:30px 0 0;width:0;height:5px;transition:width .2s linear,opacity .2s;position:absolute;top:0;left:0;box-shadow:0 0 12px #10b98180}.coolbox.has-round-time .coolbox-time-track{width:var(--round-time-left);opacity:1}.coolbox2{isolation:isolate;text-align:center;background:repeating-linear-gradient(0deg,#0000,#0000 31px,#00000004 31px 32px),radial-gradient(#ffffffd1);padding:5rem 1.5rem;animation:6s ease-in-out infinite alternate boxWobble;position:relative;overflow:hidden}.coolbox2:before{content:"";z-index:-1;opacity:.55;background:linear-gradient(45deg,#ff8fc1 0%,#ffb697 25%,#97dbff 50%,#ff8fc1 75%,#ffb697 100%) 0 0/400% 400%;animation:8s infinite coolboxGradient;position:absolute;inset:0}.coolbox2:after{content:"";z-index:0;pointer-events:none;background:linear-gradient(#0000,#fff);height:90px;position:absolute;bottom:0;left:0;right:0}.coolbox2-content{z-index:1;max-width:860px;margin:0 auto;position:relative}.coolbox2-title{letter-spacing:-.02em;color:var(--ink);margin-bottom:1rem;font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.1}.coolbox2-subtitle{color:#0a3746a6;max-width:560px;margin:0 auto 2.5rem;font-size:1.05rem;line-height:1.6}.coolbox2-grid{flex-wrap:wrap;justify-content:center;gap:.75rem;display:flex}.coolbox2-card{color:#0a3746bf;text-align:center;background:repeating-linear-gradient(0deg,#0000,#0000 31px,#00000004 31px 32px),radial-gradient(#ffffffeb);border:0;border-radius:18px;min-width:118px;padding:1rem 1.1rem;transition:transform .2s,box-shadow .2s;position:relative;box-shadow:0 2px 12px #00000012}.coolbox2-card:before{content:"";z-index:-1;opacity:0;background:linear-gradient(45deg,#ff8fc1,#ffb697 25%,#97dbff 50%,#ff8fc1 75%,#ffb697) 0 0/400% 400%;border-radius:20px;transition:opacity .25s;animation:8s infinite coolboxGradient;position:absolute;inset:-2px}.coolbox2-card:hover,.coolbox2-card.is-active{transform:translateY(-3px);box-shadow:0 6px 20px #0000001a}.coolbox2-card:hover:before,.coolbox2-card.is-active:before{opacity:1}.sport-hero{text-align:center;background:repeating-linear-gradient(0deg,#0000,#0000 31px,#00000004 31px 32px),radial-gradient(#ffffffd1);padding:5rem 1.5rem;animation:6s ease-in-out infinite alternate boxWobble;position:relative;overflow:hidden}.sport-hero:before{content:"";z-index:0;opacity:.55;background:linear-gradient(45deg,#ff8fc1,#ffb697 25%,#97dbff 50%,#ff8fc1 75%,#ffb697) 0 0/400% 400%;animation:8s infinite sportHeroGradient;position:absolute;inset:0}.sport-hero:after{content:"";pointer-events:none;z-index:2;background:linear-gradient(#0000,#fff);height:90px;position:absolute;bottom:0;left:0;right:0}.sport-hero-content{z-index:3;max-width:860px;margin:0 auto;position:relative}.sport-hero-title{letter-spacing:-.02em;color:var(--ink);margin-bottom:1rem;font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.1}.sport-hero-subtitle{color:#0a3746a6;max-width:560px;margin:0 auto 2.5rem;font-size:1.05rem;line-height:1.6}.sport-preset-grid{flex-wrap:wrap;justify-content:center;gap:.75rem;display:flex}.sport-preset-btn{color:#0a3746bf;text-align:center;background:repeating-linear-gradient(0deg,#0000,#0000 31px,#00000004 31px 32px),radial-gradient(#ffffffeb);border:0;border-radius:18px;min-width:118px;padding:1rem 1.1rem;transition:transform .2s,box-shadow .2s;position:relative;box-shadow:0 2px 12px #00000012}.sport-preset-btn:before{content:"";z-index:-1;opacity:0;background:linear-gradient(45deg,#ff8fc1,#ffb697 25%,#97dbff 50%,#ff8fc1 75%,#ffb697) 0 0/400% 400%;border-radius:20px;transition:opacity .25s;animation:8s infinite sportHeroGradient;position:absolute;inset:-2px}.sport-preset-btn:hover,.sport-preset-btn.active{transform:translateY(-3px);box-shadow:0 6px 20px #0000001a}.sport-preset-btn:hover:before{opacity:.6}.sport-preset-btn.active{box-shadow:0 6px 24px #d4458140}.sport-preset-btn.active:before{opacity:1}.sport-preset-emoji{font-size:2rem;line-height:1;display:block}.sport-preset-name{color:var(--ink);margin-top:.5rem;font-size:.82rem;font-weight:700;display:block}.sport-preset-tagline{opacity:.5;margin-top:.2rem;font-size:.68rem;line-height:1.25;display:block}.sport-preset-btn.active .sport-preset-tagline{opacity:.7}.numeric-keypad{background:linear-gradient(135deg,#f8f9fa,#e9ecef);border:1px solid #00000014;border-radius:16px;grid-template-columns:repeat(3,1fr);gap:12px;max-width:380px;margin:0 auto;padding:20px;display:grid;box-shadow:inset 0 1px 2px #fffc,inset 0 -1px 2px #0000000f,0 4px 8px #00000014}.keypad-button{aspect-ratio:1;cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #00000014;border-radius:8px;min-height:80px;font-size:2.4rem;font-weight:800;transition:all 50ms ease-out;position:relative;box-shadow:0 3px #00000014,0 4px 8px #0000000f,inset 0 1px #ffffffe6;color:#495057!important;background:linear-gradient(#fff,#f5f6f7)!important}.keypad-button *{color:#495057!important}.keypad-button.action-button{color:#d45581!important;background:linear-gradient(#ffeee6,#ffe0d4)!important}.keypad-button.action-button *{color:#d45581!important}.keypad-button.negative-button{color:#3b5bdb!important;background:linear-gradient(#eef2ff,#dbe5ff)!important}.keypad-button.negative-button *{color:#3b5bdb!important}.keypad-button.clear-button{color:#c92a2a!important;background:linear-gradient(#fff0f3,#ffd6df)!important}.keypad-button.clear-button *{color:#c92a2a!important}.backspace-full-width,.submit-button{aspect-ratio:auto}.backspace-full-width{grid-column:span 1;min-height:60px;font-size:1.6rem}.submit-button{text-transform:lowercase;grid-column:span 2;min-height:65px;margin-top:0;font-size:1.4rem;font-weight:800;color:#2d7a5f!important;background:linear-gradient(#d8f0e8,#c5e8d8)!important}.submit-button *{color:#2d7a5f!important}.calculation-layout{grid-template-columns:minmax(0,1fr);align-items:center;gap:1.5rem;display:grid}.calculation-question,.calculation-calculator{min-width:0}.calculation-calculator{flex-direction:column;justify-content:center;display:flex}.calculation-question-stack{min-height:300px}.calculation-calculator .numeric-keypad{border-radius:14px;gap:8px;width:100%;max-width:285px;padding:12px}.calculation-calculator .numeric-keypad .keypad-button{border-radius:7px;min-height:clamp(44px,5.8vw,58px);font-size:clamp(1.25rem,2.5vw,1.8rem)}.calculation-calculator .numeric-keypad .backspace-full-width{min-height:48px;font-size:1.25rem}.calculation-calculator .numeric-keypad .submit-button{min-height:52px;margin-top:4px;font-size:1.15rem}.calculation-stats{justify-content:center;align-items:center;gap:1.5rem;min-width:0;display:flex}.calculation-stats>div{min-width:72px}.session-running-stats{color:#6c757d;white-space:nowrap;justify-content:center;align-items:center;gap:.25rem;font-size:.58rem;font-weight:700;line-height:1;display:flex}.coolbox-header{border-bottom:1px solid #d4458117;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin:-.65rem -.65rem 1.5rem;padding:.35rem .45rem .65rem;display:flex}.coolbox-tabs{-webkit-backdrop-filter:blur(8px);background:radial-gradient(circle at 15% 20%,#ff8fc129,#0000 52%),radial-gradient(circle at 88% 30%,#97dbff2e,#0000 55%),#ffffff38;border:1px solid #d445811f;border-radius:999px;grid-template-columns:repeat(2,1fr);gap:3px;padding:3px;display:inline-grid;box-shadow:inset 0 1px #ffffffa6}.coolbox-tab{color:#0a37468c;white-space:nowrap;background:0 0;border:0;border-radius:999px;min-height:32px;padding:.35rem .9rem;font-size:.78rem;font-weight:700;line-height:1;transition:color .2s,background .25s,box-shadow .25s,transform .2s;position:relative}.coolbox-tab:hover{color:var(--primary);background:#ffffff47}.coolbox-tab.is-active{color:#a6265ce6;background:radial-gradient(circle at 12% 15%,#ff8fc14d,#0000 48%),radial-gradient(circle at 90% 25%,#97dbff4d,#0000 52%),#fff9;transform:translateY(-1px);box-shadow:0 2px 10px #b432641c,inset 0 1px #fffc}.coolbox-tab:focus-visible{outline-offset:2px;outline:2px solid #d4458180}.training-mode-header{align-items:center}.training-mode-group{-webkit-backdrop-filter:blur(8px);background:radial-gradient(circle at 15% 20%,#ff8fc124,#0000 52%),radial-gradient(circle at 88% 30%,#97dbff29,#0000 55%),#fff3;border:1px solid #d445811f;border-radius:999px;align-items:center;gap:.5rem;padding:3px;display:inline-flex;box-shadow:inset 0 1px #ffffffa6}.training-mode-button{flex:none}.training-mode-group .brain-age-header{box-shadow:none;-webkit-backdrop-filter:none;background:0 0;border:0;padding:.15rem .35rem .15rem .15rem}.training-mode-group .brain-age-header-label{font-size:.52rem}.training-mode-group .brain-age-header-label strong{font-size:.92rem}.training-mode-group .brain-age-plot-surface{background:#ffffff47}.brain-age-header{-webkit-backdrop-filter:blur(6px);background:#fff3;border:1px solid #d445811a;border-radius:.7rem;align-items:center;gap:.45rem;min-width:150px;padding:.25rem .45rem;display:flex}.brain-age-header-label{color:#0a37468c;white-space:nowrap;text-transform:uppercase;letter-spacing:.025em;flex-direction:column;font-size:.58rem;font-weight:700;line-height:1.05;display:flex}.brain-age-header-label strong{color:var(--primary);font-size:1rem;line-height:1.1}.brain-age-plot-surface{background:#fff3;border-radius:.35rem;width:100%;min-width:72px;padding:2px;position:relative}.brain-age-header .brain-age-plot-surface{width:82px}.calculation-preview{opacity:.72;filter:blur(4px);pointer-events:none;-webkit-user-select:none;user-select:none}.calculation-preview-problem{min-width:5ch;color:var(--ink);text-align:right;font-family:monospace;font-size:clamp(2.75rem,6vw,4.5rem);font-weight:700}.calculation-preview-problem>div{margin-bottom:1rem}.calculation-preview-operator{border-bottom:4px solid #d4458166;min-width:5ch;padding-bottom:1rem}.calculation-preview-operator span{float:left}.calculation-preview-answer{color:#d44581e6;margin-top:1rem;padding:.5rem 0}.calculation-paper{background:linear-gradient(90deg,#e650781f 0 2px,#0000 2px 100%),repeating-linear-gradient(0deg,#0000 0 2.2rem,#4b7db41f 2.2rem calc(2.2rem + 1px)),linear-gradient(165deg,#fffef9,#fff9ea);border-radius:4px;padding:2.1rem 2.35rem 2.4rem;display:inline-block;position:relative;transform:rotate(-1deg);box-shadow:0 16px 34px #0a374629,inset 0 3px #ffffffe6,inset 0 -1px #9e7b4b24}.calculation-paper:before{content:"";opacity:.45;background:linear-gradient(90deg,#0a374614,#0a374600);border-radius:50%;height:12px;position:absolute;inset:10px 12px auto}.calculation-paper:after{content:"";clip-path:polygon(100% 0,100% 100%,0 100%);background:linear-gradient(135deg,#0000 50%,#d6b87f38 50%),linear-gradient(135deg,#ffffffbf,#e9dab9cc);width:38px;height:38px;position:absolute;bottom:10px;right:10px;box-shadow:-2px -2px 5px #0a374612}.calculation-problem{color:var(--ink);text-align:right;font-family:monospace;font-size:clamp(2.75rem,6vw,4.5rem);font-weight:700}.calculation-problem>div{margin-bottom:1rem}.calculation-problem-operator{border-bottom:4px solid #d4458166;padding-bottom:1rem}.calculation-problem-operator span{float:left}.calculation-problem-answer{margin-top:1rem}.calculation-problem input{color:#d44581e6;font:inherit;text-align:right;background:0 0;border:0;outline:none;padding:.5rem 0}.calculation-preview .calculation-paper{transform:none}.word-recall-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;display:grid}.coolbox .word-recall-input{height:3.25rem;color:var(--ink);text-align:center;-webkit-backdrop-filter:blur(5px);background:radial-gradient(circle at 15% 20%,#ff8fc14d,#0000 48%),radial-gradient(circle at 85% 18%,#97dbff4d,#0000 45%),radial-gradient(circle at 52% 115%,#ffb69752,#0000 58%),#ffffff57;border:2px solid #d445813d;border-radius:.85rem;padding:.65rem .75rem;font-size:1rem;font-weight:700;transition:border-color .18s,background-color .18s,box-shadow .18s,transform .18s;box-shadow:inset 0 1px #ffffffb3,0 4px 14px #b4326414}.coolbox .word-recall-input:hover{border-color:#d445817a;box-shadow:inset 0 1px #fffc,0 6px 18px #b4326421}.coolbox .word-recall-input:focus{background:radial-gradient(circle at 15% 20%,#ff8fc16b,#0000 48%),radial-gradient(circle at 85% 18%,#97dbff6b,#0000 45%),radial-gradient(circle at 52% 115%,#ffb6976b,#0000 58%),#ffffff80;border-color:#d44581c7;transform:translateY(-2px);box-shadow:0 0 0 .22rem #d4458126,0 8px 22px #b4326424}.coolbox .word-recall-input.is-filled{background:radial-gradient(circle at 18% 15%,#ff8fc161,#0000 46%),radial-gradient(circle at 88% 20%,#97dbff5c,#0000 45%),radial-gradient(circle at 50% 120%,#ffb69766,#0000 58%),#ffffff6b;border-color:#d445819e}@media (min-width:576px){.word-recall-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:768px){.calculation-layout{grid-template-columns:minmax(180px,1fr) minmax(280px,340px) minmax(100px,.55fr);gap:1rem 2.75rem}.calculation-layout.stats-in-progress{grid-template-columns:minmax(180px,1fr) minmax(280px,340px);justify-content:center;column-gap:3.25rem}.calculation-stats{flex-direction:column;align-items:stretch;gap:1.75rem}.calculation-calculator .mb-4{margin-bottom:0!important}.word-recall-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (min-width:992px){.word-recall-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.8}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}@keyframes flash{0%{opacity:0;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}@keyframes shine{to{transform:translate(100%)}}@keyframes gradientScroll{0%{background-position:0}to{background-position:200%}}@keyframes gradientFlow{0%{background-position:0}50%{background-position:100%}to{background-position:0}}@keyframes boxWobble{0%{box-shadow:0 0 30px #7bf2ff26}50%{box-shadow:10px 0 40px #7e79ff26}to{box-shadow:0 10px 45px #cc91ff26}}@keyframes coolboxGradient{0%{background-position:0}50%{background-position:100%}to{background-position:0}}@keyframes coolboxFlash{0%{opacity:.7;transform:scale(1.01)}to{opacity:0;visibility:hidden;-webkit-backdrop-filter:none;transform:scale(1)}}@keyframes sportHeroGradient{0%{background-position:0}50%{background-position:100%}to{background-position:0}}@media (min-width:576px){.container{max-width:540px}.col-sm-3{flex:none;width:25%}.col-sm-4{flex:none;width:33.3333%}.col-sm-6{flex:none;width:50%}.d-sm-inline{display:inline!important}.align-items-sm-center{align-items:center!important}.gap-sm-2{gap:.5rem!important}.coolbox{margin:1rem;padding:1.5rem}.numeric-keypad{gap:10px;max-width:340px;padding:16px}}@media (min-width:768px){.container{max-width:720px}.col-md-2{flex:none;width:16.6667%}.col-md-4{flex:none;width:33.3333%}.col-md-5{flex:none;width:41.6667%}.col-md-6{flex:none;width:50%}.col-md-7{flex:none;width:58.3333%}.col-md-8{flex:none;width:66.6667%}.d-md-inline{display:inline!important}.py-md-5{padding-block:3rem!important}.coolbox{margin:1.5rem;padding:2rem}}@media (min-width:992px){.container{max-width:800px}.col-lg-3{flex:none;width:25%}.col-lg-4{flex:none;width:33.3333%}.col-lg-7{flex:none;width:58.3333%}.col-lg-8{flex:none;width:66.6667%}.coolbox{margin:2rem;padding:3rem}}@media (min-width:1200px){.container{max-width:900px}}@media (min-width:1400px){.container{max-width:1000px}}@media (max-width:768px){.xylophone-container{height:100px!important;padding:8px!important}.xylophone-key{font-size:10px!important}.xylophone-key-natural{height:80px!important}.xylophone-key-sharp{height:50px!important;margin-bottom:30px!important}}@media (max-width:576px){.xylophone-container{height:90px!important;padding:6px!important}.xylophone-key{margin:0 .5px!important;font-size:9px!important}.xylophone-key-natural{height:70px!important}.xylophone-key-sharp{flex:.5!important;height:45px!important;margin-bottom:25px!important}.nav-toggle{display:block}.site-links{z-index:30;background:#fff;flex-direction:column;align-items:stretch;padding:1rem;display:none;position:absolute;top:100%;left:0;right:0}.site-links.is-open{display:flex}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.brain-mascot{width:150px;height:124px;margin:0 auto .75rem;animation:2.4s ease-in-out infinite brainMascotFloat;position:relative}.brain-mascot-svg{width:100%;height:100%;overflow:visible}.brain-mascot-shadow{fill:#0a37461f;animation:2.4s ease-in-out infinite brainMascotShadow}.brain-mascot-body{fill:#ff8fc1;stroke:#b43264;stroke-width:4px;stroke-linejoin:round;filter:drop-shadow(0 10px 16px #d445812e)}.brain-mascot-fold{fill:none;stroke:#b4326473;stroke-width:4px;stroke-linecap:round}.brain-mascot-eye{fill:#0a3746;animation:4s infinite brainMascotBlink}.brain-mascot-smile,.brain-mascot-arm,.brain-mascot-leg{fill:none;stroke:#0a3746;stroke-width:5px;stroke-linecap:round}.brain-mascot-arm{stroke:#b43264;transform-box:fill-box;transform-origin:50% 10%}.brain-mascot-arm-left{animation:1.4s ease-in-out infinite brainMascotWaveLeft}.brain-mascot-arm-right{animation:1.4s ease-in-out infinite brainMascotWaveRight}.brain-mascot-sparkle{color:#ffc107;text-shadow:0 2px 8px #ffc10759;font-weight:800;line-height:1;animation:1.6s ease-in-out infinite brainMascotSparkle;position:absolute}.brain-mascot-sparkle-1{font-size:1.5rem;top:8px;left:18px}.brain-mascot-sparkle-2{font-size:1.15rem;animation-delay:.45s;top:18px;right:20px}@keyframes brainMascotFloat{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-9px)rotate(1deg)}}@keyframes brainMascotShadow{0%,to{opacity:.14;transform:scaleX(1)}50%{opacity:.08;transform:scaleX(.78)}}@keyframes brainMascotBlink{0%,92%,to{transform:scaleY(1)}95%{transform:scaleY(.12)}}@keyframes brainMascotWaveLeft{0%,to{transform:rotate(0)}50%{transform:rotate(12deg)}}@keyframes brainMascotWaveRight{0%,to{transform:rotate(0)}50%{transform:rotate(-12deg)}}@keyframes brainMascotSparkle{0%,to{opacity:.35;transform:scale(.8)rotate(0)}50%{opacity:1;transform:scale(1.2)rotate(16deg)}}.daily-stage-track{padding-top:4.25rem;position:relative}.daily-stage-mascot{z-index:4;top:-.75rem;left:calc((var(--stage-index) + .5) * (100% / var(--stage-count)));pointer-events:none;width:74px;height:61px;margin:0;animation:.78s cubic-bezier(.2,1.25,.35,1) both dailyMascotPowerUp;position:absolute}.daily-stage-mascot .brain-mascot-sparkle-1{font-size:.9rem;top:1px;left:8px}.daily-stage-mascot .brain-mascot-sparkle-2{font-size:.75rem;top:6px;right:8px}.daily-stage-mascot .brain-mascot-body{filter:drop-shadow(0 8px 10px #d4458133)}.daily-stage-mascot .brain-mascot-arm-left,.daily-stage-mascot .brain-mascot-arm-right{animation-duration:.9s}@keyframes dailyMascotPowerUp{0%{opacity:.85;transform:translate(-50%,16px) scale(calc(var(--mascot-scale) * .82)) rotate(-8deg);filter:saturate()}45%{opacity:1;transform:translate(-50%,-18px) scale(calc(var(--mascot-scale) * 1.18)) rotate(7deg);filter:saturate(1.35)drop-shadow(0 0 16px #ffc10761)}72%{transform:translate(-50%,3px) scale(calc(var(--mascot-scale) * 1.04)) rotate(-2deg)}to{opacity:1;transform:translate(-50%,0) scale(var(--mascot-scale)) rotate(0deg);filter:saturate(1.08)}}
