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 #results[data-motion=on] .chart-dot,#results[data-motion=on] .chart-unpooled{animation:fade-in .35s .6s both}
 #results[data-motion=on] .trace-lines{animation:wipe 1.1s .2s cubic-bezier(.4,.1,.2,1) both}
 .motion .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease var(--delay,0ms),transform .6s cubic-bezier(.2,.8,.2,1) var(--delay,0ms)}
 .motion .reveal.is-visible{opacity:1;transform:none}
 .fit-state[data-state=sampling] .state-symbol{display:inline-block;animation:spin 1.1s linear infinite}
}
@keyframes highlight{from{background-size:0 100%}to{background-size:100% 100%}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade-in{from{opacity:0}}
@keyframes grow{from{transform:scaleY(0)}}
@keyframes grow-x{from{transform:scaleX(0)}}
@keyframes wipe{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:760px){.idea-panel h2 br,.hero h1 br{display:none}}

/* Nested equal-tailed intervals share a center line; the median stays distinct in both themes. */
.chart-range-95{stroke-width:2}.chart-range-50{stroke-width:6}.chart-dot{fill:var(--text);stroke:var(--surface);stroke-width:1.5}.key-interval{position:relative}.key-interval::after{content:"";position:absolute;width:50%;left:25%;top:50%;height:5px;transform:translateY(-50%);background:var(--accent)}