@font-face{font-family:PiMono;src:local("Consolas"),local("Menlo"),local("DejaVu Sans Mono");font-display:swap}
:root{color-scheme:light;--paper:#fafafa;--ink:#20211f;--muted:#727570;--line:#dfe1dc;--accent:#bd3b17;--highlight:#ffd7b8;--row-height:44px;--digit-size:27px;--digit-spacing:5px;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,.digits-scroller:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button[hidden]{display:none}button:disabled{cursor:wait;opacity:.6}a{color:inherit}
.app{width:min(1600px,100%);height:100svh;min-height:700px;margin:0 auto;padding:0 5.3%;display:flex;flex-direction:column}.header{height:88px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:600;letter-spacing:-.6px;text-decoration:none}.brand-pi{color:var(--accent);font:italic 37px Georgia,serif;line-height:1}.edition,.eyebrow,.explorer-heading,.explorer-foot,.result-kicker,.examples>span,.footer{font-family:PiMono,monospace;font-size:12px;letter-spacing:1.3px}.edition{color:var(--muted);position:absolute;left:50%;transform:translateX(-50%)}.about-button{border:1px solid #b9bcb5;border-radius:50%;background:transparent;width:27px;height:27px;font:italic 17px Georgia;color:#50544c}.about-button:hover{border-color:var(--accent);color:var(--accent)}
.intro{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:40px 0 34px;flex-shrink:0}.eyebrow{font-size:12px;color:var(--accent);margin:0 0 14px}h1{font-size:clamp(32px,3.8vw,56px);line-height:1.08;font-weight:400;letter-spacing:-2.4px;margin:0}h1 span{font:italic 1.05em Georgia,"Times New Roman",serif;letter-spacing:-2px}.intro-note{font-size:14px;line-height:1.65;color:#686d63;margin:0 0 4px;max-width:290px}
.explorer{min-height:120px;display:flex;flex-direction:column;flex:1;border-top:1px solid var(--line)}.explorer-heading{height:47px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);flex-shrink:0;font-size:11px;letter-spacing:1px}.explorer-heading>span:first-child{color:var(--ink)}.digits-scroller{overflow-y:auto;overflow-x:hidden;position:relative;flex:1;min-height:0;scrollbar-width:thin;scrollbar-color:#b8bbb2 transparent;overscroll-behavior:contain;touch-action:pan-y;outline-offset:0!important}.digits-spacer{position:relative;min-height:100%}.digits-rows{position:absolute;inset:0 0 auto}.digit-row{position:absolute;width:100%;height:var(--row-height);display:flex;align-items:center;gap:25px;padding-right:12px}.row-index{flex:0 0 74px;font-family:PiMono,monospace;font-size:11px;letter-spacing:.6px;color:#7f837a;text-align:right;user-select:none}.row-digits{display:flex;white-space:pre;font-family:PiMono,monospace;font-size:var(--digit-size);font-weight:400;line-height:var(--row-height);letter-spacing:var(--digit-spacing);color:#8a8e83;min-width:0}.digit{display:inline-block;position:relative}.digit.active{background:var(--highlight);color:#742610;box-shadow:0 0 0 1px var(--highlight);border-radius:1px}.digit.active-start{border-radius:4px 0 0 4px}.digit.active-end{border-radius:0 4px 4px 0}.digit-row.match-row .row-index{color:var(--accent)}.digit-row.match-row .row-digits{color:#5c6257}.explorer-foot{height:39px;flex-shrink:0;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:10px;letter-spacing:1px;border-bottom:1px solid var(--line)}.text-button{padding:5px 0;border:0;background:none;color:var(--accent);font-size:12px;letter-spacing:0;text-decoration:underline;text-underline-offset:4px}.pi-note{letter-spacing:.3px}
.search-dock{display:grid;grid-template-columns:1.15fr 1fr;gap:7%;padding:28px 0 24px;flex-shrink:0}.search-left{max-width:620px}form label{font-size:16px;display:block;margin-bottom:12px;letter-spacing:-.25px}.input-shell{display:flex;height:55px;border:1px solid #c3c7bb;background:#fff;border-radius:7px;padding:5px;transition:border-color .2s,box-shadow .2s}.input-shell:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #bd3b1710}input{width:100%;min-width:0;padding:6px 12px;border:none;outline:none;background:transparent;font-family:PiMono,monospace;font-size:21px;letter-spacing:1.5px;color:var(--ink)}input::placeholder{color:#8c9087;font-size:18px;letter-spacing:.3px}.search-button{border:0;border-radius:4px;flex-shrink:0;background:var(--ink);color:#fff;display:flex;gap:18px;align-items:center;justify-content:center;padding:0 20px;font-size:14px;transition:background .2s}.search-button:hover{background:var(--accent)}.search-button svg{width:19px;height:19px}.input-hint{color:#6e7367;font-size:12px;line-height:1.5;margin:8px 0 0}.input-hint.error{color:var(--accent)}.examples{display:flex;align-items:center;gap:10px;margin-top:14px}.examples>span{font-size:10px;color:var(--muted);margin-right:3px}.examples button{border:1px solid #e0e2dd;background:transparent;border-radius:4px;padding:4px 11px;font-family:PiMono,monospace;font-size:12px;color:#676c60;transition:background .2s,border-color .2s}.examples button:hover{background:#fff;border-color:#9ba08f}
.result{border-left:1px solid var(--line);padding:4px 0 0 38px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-width:0}.result-kicker{font-size:10px;color:var(--muted);letter-spacing:1.2px}.result-empty{font:italic 26px Georgia,serif;letter-spacing:-.5px;margin:16px 0 12px;color:#74786c}.result-note{font-size:12px;color:#6e7367;line-height:1.5}.result-number{font-size:50px;font-weight:400;letter-spacing:-2px;margin:8px 0 7px;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}.result-description{font-size:14px;line-height:1.55;margin:0;color:#62685a;overflow-wrap:anywhere}.result-description strong{font-weight:500;color:var(--ink)}.result-description .sequence{font-family:PiMono,monospace;color:var(--accent)}.result-message{font-size:22px;line-height:1.3;font-weight:400;letter-spacing:-.6px;margin:14px 0 10px}.result.reveal{animation:reveal .4s ease-out}.footer{height:49px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);color:var(--muted);font-size:10px;letter-spacing:1px;flex-shrink:0}.footer>span:last-child{font-family:Arial,sans-serif;letter-spacing:0;font-size:11px}
dialog{border:1px solid var(--line);border-radius:12px;padding:38px;width:520px;max-width:calc(100% - 32px);background:var(--paper);color:var(--ink);box-shadow:0 20px 100px #0002}dialog::backdrop{background:#20211f50;backdrop-filter:blur(5px)}dialog h2{font:italic 38px Georgia,serif;margin:15px 0 24px;letter-spacing:-1px}dialog p{font-size:16px;line-height:1.6;color:#5d6355}dialog strong{font-weight:600;color:var(--ink)}dialog .dialog-source{font-size:12px;margin-bottom:0}.close-button{position:absolute;top:12px;right:16px;background:none;border:0;font-size:27px;color:var(--muted)}noscript{position:fixed;inset:auto 16px 16px;background:var(--ink);color:white;padding:20px;border-radius:8px}@keyframes reveal{from{opacity:.3;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){:root{--row-height:48px;--digit-size:30px;--digit-spacing:6px}.intro{padding-top:48px;padding-bottom:40px}.search-dock{padding-top:32px;padding-bottom:30px}}
@media(max-width:1000px){.app{padding:0 4%;min-height:670px}.header{height:70px}.intro{padding:30px 0;align-items:flex-start}.intro-note{max-width:215px;font-size:13px}h1{font-size:37px}.edition{font-size:10px}.search-dock{gap:5%;grid-template-columns:1.2fr 1fr}.result{padding-left:24px}.row-index{flex-basis:62px}.digit-row{gap:18px}.result-number{font-size:44px}}
@media(max-width:680px){:root{--row-height:34px;--digit-size:20px;--digit-spacing:3px}.app{min-height:740px;padding:0 22px}.header{height:62px}.wordmark{font-size:17px}.brand-pi{font-size:32px}.edition{display:none}.intro{display:block;padding:27px 0 24px}.eyebrow{font-size:10px;letter-spacing:1.1px;margin-bottom:13px}h1{font-size:35px;letter-spacing:-1.5px}h1 span{letter-spacing:-1.3px}.intro-note{font-size:12px;max-width:none;margin:12px 0 0}.intro-note br{display:none}.explorer-heading{height:40px;font-size:9px;letter-spacing:.6px}.dataset-label{display:none}.digit-row{gap:14px;padding-right:6px}.row-index{flex-basis:50px;font-size:9px}.explorer-foot{font-size:8px;height:31px}.pi-note{display:none}.text-button{font-size:11px}.search-dock{display:flex;flex-direction:column;gap:21px;padding:22px 0}.search-left{max-width:none}form label{font-size:15px;margin-bottom:10px}.input-shell{height:53px}.search-button{padding:0 14px;gap:11px;font-size:13px}.input-hint{font-size:11px}.examples{margin-top:11px}.result{border-left:none;border-top:1px solid var(--line);padding:17px 0 0;min-height:96px;justify-content:flex-start}.result-kicker{font-size:9px}.result-empty{font-size:22px;margin:12px 0 6px}.result-number{font-size:38px;margin:8px 0 6px}.result-description{font-size:12px}.result-note{font-size:11px}.result-message{font-size:20px;margin:9px 0 5px}.footer{height:42px;font-size:8px;letter-spacing:.7px}.footer>span:last-child{font-size:9px;max-width:145px;text-align:right}.result-description br{display:none}dialog{padding:30px 24px}dialog p{font-size:15px}}
@media(max-width:360px){.app{padding:0 14px}h1{font-size:30px}.search-button{padding:0 11px}.row-index{flex-basis:45px}.digit-row{gap:10px}}
.edition,.eyebrow,.explorer-heading,.explorer-foot,.result-kicker,.examples>span,.footer,.footer>span:last-child,.row-index,.input-hint,.result-note{font-size:12px}.row-digits{color:#6f7566}.footer{letter-spacing:.7px}.explorer-heading{letter-spacing:.7px}
@media(max-width:680px){.app{min-height:800px}.intro-note{font-size:14px;line-height:1.5}.row-index{flex-basis:64px}.result-description{font-size:14px}.explorer-foot{letter-spacing:.4px}.examples>span{font-size:12px}.footer{height:55px;gap:12px;letter-spacing:.2px}.footer>span:first-child{max-width:160px}.footer>span:last-child{font-size:12px;max-width:165px}.result-kicker{letter-spacing:.8px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}