:root{color-scheme:light;--bg: #f3efe4;--bg-elev: #fffdf8;--ink: #1c1914;--ink-soft: #4a453c;--line: #ddd4c4;--focus: #8a3418;--age-a: #0f5f5b;--age-a-ink: #ffffff;--age-b: #9a3412;--age-b-ink: #ffffff;--band: rgba(138, 52, 24, .13);--grid: rgba(28, 25, 20, .14);--flag-bg: #f3dd9a;--flag-ink: #3d2c06;--shadow: 0 10px 30px rgba(60, 42, 20, .06);--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;--mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--s-gmv: #005a9c;--s-wmv: #b86e00;--s-sgmv: #0c7a62;--s-tcv: #3c3489;--s-speed: #c2410c;--s-visual: #3f6212;--s-verbal: #9d174d;--s-emotion: #6d28d9;--s-vocab: #155e75}:root[data-theme=dark]{color-scheme:dark;--bg: #141311;--bg-elev: #1e1c18;--ink: #f4f0e6;--ink-soft: #c9c1b3;--line: #3d3830;--focus: #f0b089;--age-a: #5eead4;--age-a-ink: #04211f;--age-b: #fdba74;--age-b-ink: #2a1205;--band: rgba(253, 186, 116, .16);--grid: rgba(244, 240, 230, .14);--flag-bg: #5c4510;--flag-ink: #fde68a;--shadow: 0 10px 30px rgba(0, 0, 0, .28);--s-gmv: #8ecaff;--s-wmv: #ffc14d;--s-sgmv: #5ee0c2;--s-tcv: #c9c2ff;--s-speed: #ff8a5b;--s-visual: #c6e07a;--s-verbal: #ff8ab8;--s-emotion: #d7b4ff;--s-vocab: #7ee7f7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 400px at 10% -10%,rgba(154,52,18,.08),transparent 50%),var(--bg);color:var(--ink);font-family:var(--sans);font-size:1.02rem;line-height:1.55}body,button,input{font-family:var(--sans)}#app{max-width:1080px;margin:0 auto;padding:20px 18px 64px}h1,h2,h3{font-family:var(--serif);font-weight:650;line-height:1.2;letter-spacing:-.015em}h1{font-size:clamp(2rem,4vw,3.1rem);margin:.2rem 0 .8rem}h2{font-size:1.55rem;margin:0 0 .6rem}h3{font-size:1.15rem;margin:1.1rem 0 .3rem}p{margin:.55rem 0}a{color:var(--focus)}a:hover{text-decoration-thickness:2px}.skip{position:absolute;left:12px;top:-40px;background:var(--bg-elev);color:var(--ink);padding:8px 12px;z-index:5}.skip:focus{top:12px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;color:var(--ink-soft)}.lede{font-size:1.12rem;max-width:68ch}.panel,.caveats,.chart-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:16px;padding:16px 16px 18px;margin:18px 0;box-shadow:var(--shadow)}.steps{margin:.2rem 0 0;padding-left:1.2rem}.steps li{margin:.35rem 0}.controls,.domains,.age-grid,.compare-grid{display:grid;gap:12px}fieldset{border:1px solid var(--line);border-radius:12px;margin:0;padding:10px 12px 12px;min-width:0}legend{padding:0 6px;font-weight:650}.segmented{display:flex;flex-wrap:wrap;gap:8px}.segmented label{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--bg)}.segmented label:has(input:checked){border-color:var(--ink);background:var(--bg-elev);font-weight:650}.segmented input{width:1.05rem;height:1.05rem;accent-color:var(--focus)}.series-list{display:grid;gap:4px}.series-toggle{display:grid;grid-template-columns:22px 46px 1fr;column-gap:8px;align-items:center;min-height:44px;padding:4px 2px;border-radius:8px}.series-toggle input{width:1.1rem;height:1.1rem;margin:0;accent-color:var(--focus)}.series-toggle .name{font-weight:650}.series-toggle .plain{grid-column:3;color:var(--ink-soft);font-size:.88rem}.swatch{display:block}.note{color:var(--ink-soft);font-size:.95rem}.age-box{display:grid;grid-template-columns:auto 6.2rem;grid-template-areas:"label number" "slider slider";gap:6px 10px;align-items:center;padding:10px;border-radius:12px;border:1px solid var(--line)}.age-box label{grid-area:label;font-weight:700}.age-box input[type=number]{grid-area:number}.age-box input[type=range]{grid-area:slider;width:100%;height:36px}.age-a{background:color-mix(in srgb,var(--age-a) 12%,var(--bg-elev))}.age-b{background:color-mix(in srgb,var(--age-b) 14%,var(--bg-elev))}.slider-a{accent-color:var(--age-a)}.slider-b{accent-color:var(--age-b)}input[type=number],input[type=text]{font-size:16px;min-height:44px;padding:6px 8px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}input[type=number]{font-family:var(--mono);font-size:1.05rem}button,.age-actions button{font-size:.95rem;min-height:44px;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}button:hover{border-color:var(--ink)}#theme{background:var(--ink);color:var(--bg);border-color:var(--ink)}.age-actions,.share-controls{display:flex;flex-wrap:wrap;gap:8px}.share-row{margin-top:10px}.share-row label{display:block;font-weight:650;margin-bottom:4px}.share-controls input{flex:1 1 220px;font-family:var(--mono);font-size:.85rem}.chart-key{display:flex;flex-wrap:wrap;gap:8px 14px;list-style:none;padding:0;margin:8px 0 4px;font-size:.88rem}.chart-key li{display:inline-flex;align-items:center;gap:6px}#chart-host.is-facets{display:grid;gap:16px;grid-template-columns:1fr}.plot svg text{font-family:var(--sans)}.facet{margin:0}.facet figcaption{font-weight:700;font-size:.95rem;margin-bottom:2px}.plot svg{width:100%;height:auto;display:block}.handle-row{position:relative;height:48px}.handle-row.is-close{height:96px}.marker{position:absolute;top:2px;min-width:64px;min-height:44px;height:44px;padding:0 10px;transform:translate(-50%);border:0;font-weight:750;letter-spacing:.02em;touch-action:none;cursor:grab;z-index:1}.marker:active{cursor:grabbing}.marker-a{color:var(--age-a-ink);background:var(--age-a)}.marker-b{color:var(--age-b-ink);background:var(--age-b);z-index:2}.handle-row.is-close 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auto;gap:8px;align-items:center;margin:8px 0 4px}.dumbbell .end{font-family:var(--mono);font-size:.75rem;color:var(--ink-soft)}.track{position:relative;height:28px}.rail,.span{position:absolute;top:12px;height:4px;border-radius:99px}.rail{left:0;right:0;background:var(--line)}.span{background:var(--ink-soft)}.dot{position:absolute;top:4px;width:22px;height:22px;margin-left:-11px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:750}.dot-a{background:var(--age-a);color:var(--age-a-ink)}.dot-b{background:var(--age-b);color:var(--age-b-ink);top:8px}.dumbbell-empty{color:var(--ink-soft);font-size:.9rem;margin:6px 0}.counts{display:flex;flex-direction:column;gap:4px;font-size:.9rem;margin-bottom:0}.flag{display:inline-block;margin-left:4px;padding:1px 7px;border-radius:999px;background:var(--flag-bg);color:var(--flag-ink);font-size:.78rem;letter-spacing:.02em}.sources{padding-left:1.2rem}.sources li{margin:.8rem 0}.path{font-family:var(--mono);font-size:.86em}footer{color:var(--ink-soft);font-size:.9rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@media(min-width:740px){.domains,.age-grid,.compare-grid,.controls{grid-template-columns:1fr 1fr}#app{padding-inline:28px}}@media(min-width:860px){#chart-host.is-facets{grid-template-columns:1fr 1fr}}@media(max-width:520px){.facts{grid-template-columns:1fr}.age-actions button{flex:1 1 auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}