:root{color-scheme:dark;--bg:#0c1424;--ink:#f3f5fb;--muted:#b5c2d7;--line:#32425b;--purple:#a855f7;--teal:#14b8a6;--gold:#eab308;--blue:#38bdf8;font-family:Inter,Avenir,'Segoe UI',sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink)}
a{color:#b8dfff;text-underline-offset:4px}
button,select{font:inherit;color:inherit;background:#14233a;border:1px solid #50617a;border-radius:8px;padding:10px 16px;cursor:pointer}
button:hover,a:hover{filter:brightness(1.2)}button:disabled{opacity:.32;cursor:default}
button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
header{max-width:1440px;margin:auto;padding:15px 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px;font-size:14px}
header a{text-decoration:none}.brand{font-weight:750;letter-spacing:.04em;color:white}.brand span{font-weight:400;color:var(--muted);margin-left:20px}
nav{display:flex;align-items:center;gap:24px}nav a[aria-current]{color:var(--gold);text-decoration:underline}
main{max-width:1300px;margin:auto;padding:22px 48px 10px}
.eyebrow{display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px;letter-spacing:.09em;text-transform:uppercase;min-height:18px}
h1{font-size:clamp(27px,2.7vw,37px);font-weight:650;letter-spacing:-.025em;line-height:1.16;margin:12px 0 14px;min-height:2.32em;max-width:1120px;text-wrap:balance}
.legend{display:flex;align-items:center;gap:24px;font-size:13px;flex-wrap:wrap;min-height:21px}
.success{color:#c89aff}.failure{color:#69dacc}.count{color:#f9d652}.exposure{color:#8ddcff}
figure{margin:11px 0 0;position:relative}
svg{width:100%;height:340px;display:block;overflow:visible}
svg text{font-family:Inter,Avenir,'Segoe UI',sans-serif;fill:var(--ink)}
#equation{position:relative;min-height:82px;display:flex;align-items:center;justify-content:center;font-size:clamp(20px,2vw,27px);padding:12px 5px;overflow-x:auto;overflow-y:hidden;border-top:1px solid #24334b}
#equation.is-empty{border-color:transparent}
#equation .katex-display{margin:.2em 0;max-width:none;flex-shrink:0}
#explanation{font-size:clamp(19px,1.7vw,22px);line-height:1.45;max-width:1060px;margin:12px auto 8px;min-height:2.9em;color:#e0e8f5;text-wrap:pretty}
#simulation{display:flex;align-items:center;gap:12px;margin:15px 0;font-size:14px}
#simulation[hidden]{display:none}#sample-caption{color:var(--muted)}
details{font-size:16px;margin-top:12px;line-height:1.6;color:var(--muted)}summary{cursor:pointer;color:#b8dfff;font-size:14px}.small{font-size:13px}
footer{max-width:1300px;margin:8px auto 0;padding:15px 48px;display:flex;align-items:center;gap:15px;border-top:1px solid var(--line)}
#next{background:#e8edf9;color:#132037;font-weight:650;min-width:105px}
#pause{min-width:91px}#playback-status{color:#cbd8ec;font-variant-numeric:tabular-nums;white-space:nowrap}
.position{display:flex;align-items:center;gap:14px;flex:1;min-width:0}.position label{position:absolute;width:1px;height:1px;overflow:hidden}
select{max-width:100%;width:100%;min-width:80px;font-size:14px}#counter{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted)}
.help{max-width:1300px;margin:0 auto 18px;padding:0 48px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.help a{white-space:nowrap}
body:fullscreen{overflow-y:auto}#speaker-text{white-space:pre-line}.picture-help{display:none}
@media(min-width:751px) and (max-height:850px){
 main{padding-top:12px;padding-bottom:2px}h1{font-size:30px;margin:8px 0 6px}svg{height:280px}
 #explanation{font-size:20px;min-height:58px;margin-top:8px}#equation{font-size:23px;min-height:74px;padding-top:8px;padding-bottom:8px}
 header{padding-top:8px;padding-bottom:8px}footer{padding-top:6px;padding-bottom:6px}
 details{margin-top:7px}.help{margin-bottom:4px;justify-content:space-between}.help .keyboard-help{display:none}
}
@media(max-width:750px){
 header{padding:15px;flex-wrap:wrap}.brand span{margin-left:10px}nav{gap:15px;font-size:12px}
 main{padding:20px 18px 10px}.eyebrow{font-size:10px}.legend{gap:10px;font-size:11px;min-height:38px}
 h1{min-height:3.48em;font-size:27px}
 figure{overflow-x:auto;overflow-y:hidden;margin-top:12px;border:1px solid #25354c;border-radius:10px;scrollbar-width:thin}
 svg{min-width:760px;height:290px}
 .picture-help{display:block;font-size:11px;color:var(--muted);margin:6px 0 8px}
 #equation{font-size:19px;justify-content:flex-start;min-height:78px}
 #explanation{font-size:18px;min-height:5.8em}
 footer{padding:15px;gap:8px;flex-wrap:wrap}button{padding:9px 11px}.position{order:4;flex-basis:100%}
 .help{padding:0 15px;font-size:11px;flex-wrap:wrap;gap:8px}.help .keyboard-help{display:none}#simulation{flex-wrap:wrap}#version{text-align:right}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

#picture [data-key^="comb"] text{font-size:24px}