:root{--pi-bg:#333a45;--pi-main:#f44c7f;--pi-caret:#f44c7f;--pi-sub:#939eae;--pi-sub-alt:#2e343d;--pi-text:#e9ecf0;--pi-error:#da3333;--pi-error-extra:#791717;--pi-ease:cubic-bezier(.22, 1, .36, 1);--pi-fast:.18s;--pi-medium:.44s;--digit-font-size:clamp(1.1rem, 4.9vw, 2.5rem);--digit-line-height:clamp(3.1rem, 8vw, 4.75rem);--ui-font-size:.78rem;--ui-icon-size:1.45em;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.pi-practice-page{background:var(--pi-bg);overflow-x:hidden}.pi-practice-page button,.pi-practice-page input{font:inherit}.pi-loading-state,.pi-noscript{min-height:100vh;color:var(--pi-sub);place-items:center;margin:0;display:grid}.mode-button,.header-link,.practice-controls{font-family:inherit;font-size:var(--ui-font-size);letter-spacing:normal;text-transform:lowercase;font-style:normal;font-weight:400}.pi-app{background:var(--pi-bg);width:100%;min-width:0;min-height:100svh;color:var(--pi-text);grid-template-rows:auto 1fr;grid-template-columns:minmax(0,1fr);display:grid;position:relative;overflow:hidden}.pi-header{z-index:10;justify-content:space-between;align-items:center;min-width:0;min-height:5.5rem;padding:1.4rem clamp(1.25rem,4vw,4rem);display:flex;position:relative}.header-start,.header-actions,.mode-switcher{align-items:center;display:flex}.header-start{gap:clamp(1.5rem,4vw,4rem)}.pi-brand{color:var(--pi-text);letter-spacing:-.06em;font-family:ui-monospace,Cascadia Code,SFMono-Regular,Consolas,monospace;font-size:1.45rem;font-weight:650;text-decoration:none}.pi-brand span{color:var(--pi-main);margin-left:.08em;font-family:Georgia,serif;font-size:1.12em;font-weight:400}.mode-switcher{background:#2e343d8f;border-radius:.65rem;gap:.25rem;padding:.25rem}.mode-button{color:#939eae80;cursor:pointer;min-height:2rem;transition:color var(--pi-fast) ease, background var(--pi-fast) ease;background:0 0;border:0;border-radius:.48rem;padding:.35rem .7rem}.mode-button--active{background:var(--pi-sub-alt);color:var(--pi-main)}.header-actions{gap:.35rem}.header-action-form{margin:0;display:inline-flex}.header-link{min-height:2.5rem;color:var(--pi-sub);font:inherit;transition:color var(--pi-fast) ease, background var(--pi-fast) ease, transform var(--pi-fast) var(--pi-ease);background:0 0;border:0;border-radius:.55rem;justify-content:center;align-items:center;gap:.5rem;padding:.55rem .7rem;text-decoration:none;display:inline-flex;position:relative}.header-link svg,.restart-button svg{width:var(--ui-icon-size);height:var(--ui-icon-size)}.header-link:hover{background:var(--pi-sub-alt);color:var(--pi-text)}.header-link:active,.restart-button:active{transform:scale(.96)}.practice-main{z-index:2;place-items:center;width:100%;min-width:0;padding:clamp(1rem,4vh,3rem) clamp(1rem,4vw,4rem);display:grid;position:absolute;inset:0}.practice-workspace{width:min(100%,62rem);min-width:0;position:relative}.typing-viewport{width:min(100%,48rem);height:var(--digit-line-height);cursor:text;margin:0 auto;position:relative;overflow:hidden}.typing-capture{z-index:6;opacity:0;cursor:text;border:0;outline:0;width:100%;height:100%;position:absolute;inset:0}.digit-window{z-index:2;font-size:var(--digit-font-size);position:absolute;inset:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 .78em calc(100% - .78em),#0000);mask-image:linear-gradient(90deg,#0000,#000 .78em calc(100% - .78em),#0000)}.digit-line{width:100%;height:var(--digit-line-height);font-size:var(--digit-font-size);justify-content:flex-start;align-items:center;display:flex;position:absolute;inset:0}.digit-sequence{will-change:transform;flex:none;display:grid;position:relative;left:.78em}.digit{min-width:0;color:var(--pi-sub);font-variant-numeric:tabular-nums;transition:color var(--pi-fast) ease, opacity var(--pi-fast) ease, transform var(--pi-fast) var(--pi-ease);place-items:center;font-family:ui-monospace,Cascadia Code,SFMono-Regular,Consolas,monospace;font-size:1em;line-height:1;display:grid;position:relative}.digit-symbol{position:relative}.decimal-point{width:.18em;color:var(--pi-text);pointer-events:none;place-items:center;font-family:ui-monospace,Cascadia Code,SFMono-Regular,Consolas,monospace;font-size:1em;line-height:1;display:grid;position:absolute;top:0;bottom:0;transform:translate(-50%)}.digit--completed{color:var(--pi-text)}.digit--current[data-incorrect=true]{color:var(--pi-error);animation:incorrect-digit var(--pi-fast) var(--pi-ease)}.smooth-caret{z-index:4;background:var(--pi-caret);width:.08em;height:1.08em;font-size:var(--digit-font-size);pointer-events:none;backface-visibility:hidden;will-change:transform;border-radius:99px;transition:opacity .15s,background-color .15s;animation:1.1s ease-in-out infinite caret-breathe;position:absolute;top:0;left:1.56em}.smooth-caret--moving{opacity:1;animation:none}.smooth-caret[data-incorrect=true]{background:var(--pi-error)}.smooth-caret[data-complete=true]{opacity:0;animation:none}.digit--upcoming{color:var(--pi-sub);opacity:.7}.practice-controls{justify-content:center;align-items:center;gap:clamp(1.25rem,3vw,2rem);min-height:3.25rem;padding-top:.65rem;display:flex;position:absolute;top:calc(100% + .5rem);left:0;right:0}.restart-button{z-index:7;color:var(--pi-sub);cursor:pointer;font-size:inherit;transition:color var(--pi-fast) ease, background var(--pi-fast) ease, transform var(--pi-fast) var(--pi-ease);background:0 0;border:0;border-radius:.55rem;align-items:center;gap:.48rem;padding:.5rem .62rem;display:inline-flex;position:relative}.restart-button:hover{background:var(--pi-sub-alt);color:var(--pi-text)}.restart-button kbd{background:var(--pi-sub-alt);min-width:1.3rem;min-height:1.2rem;color:var(--pi-sub);border:0;border-radius:.25rem;place-items:center;margin-left:.15rem;font-family:inherit;font-size:.6rem;display:inline-grid;box-shadow:0 2px #1a1e2447}.pi-practice-page :focus-visible{outline-offset:3px;outline:2px solid #f44c7fb3}@keyframes caret-breathe{0%,to{opacity:.55}50%{opacity:1}}@keyframes incorrect-digit{0%,to{transform:translate(0)}35%{transform:translate(-.12em)}70%{transform:translate(.08em)}}@media (width>=761px){.practice-workspace{flex-direction:column;display:flex;transform:translateY(-.5rem)}.practice-controls{margin-top:.5rem;position:static}}@media (width<=760px){:root{--digit-line-height:clamp(3.6rem, 13vw, 4.2rem)}.pi-header{align-items:center;padding:1.1rem 1rem}.header-start{align-items:center;gap:.9rem}.header-link__label{display:none}.header-link{width:2.35rem;padding:0}.practice-main{padding-inline:1rem}.practice-workspace{width:100%}}.digit-position{color:var(--pi-sub);font-family:inherit;font-size:inherit;font-variant-numeric:tabular-nums;margin:0}@media (width<=520px){.pi-header{gap:.6rem}.header-start{flex-direction:row;flex:1;align-items:center;gap:.7rem}.mode-switcher{align-items:stretch}.mode-button{padding-inline:.55rem}.digit-line{padding-inline:0}}@media (width<=360px){.pi-header{flex-wrap:wrap}.header-start{flex-basis:100%;justify-content:space-between}.header-actions{margin-left:auto}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}.digit--current[data-incorrect=true]{animation:incorrect-digit var(--pi-fast) var(--pi-ease)!important}}