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var(--separator);gap:16px;min-width:0;padding-top:32px;scroll-margin-top:80px;display:grid}.lesson-head{gap:4px;display:grid}.blocks{gap:16px;min-width:0;display:grid}.prose{max-width:70ch;font-size:16px;line-height:1.65}.prose em,.example-en em,.callout em{color:var(--tint-text);font-style:italic}.prose-heading{margin-top:6px}.prose-list{gap:6px;max-width:70ch;margin:0;padding-left:22px;line-height:1.55;display:grid}.examples{gap:8px;margin:0;display:grid}.examples ul{border-radius:var(--r-card);background:var(--fill-2);border:1px solid var(--separator);margin:0;padding:0;list-style:none}.example-row{border-bottom:1px solid var(--separator);grid-template-columns:minmax(0,1.1fr) minmax(0,1.2fr) minmax(0,1.3fr);align-items:baseline;gap:4px 16px;padding:10px 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var(--orange) 80%, var(--label))}.callout-tip{background:color-mix(in srgb, var(--chart-2) 9%, transparent);border-color:color-mix(in srgb, var(--chart-2) 26%, transparent)}.callout-tip .callout-title{color:color-mix(in srgb, var(--chart-2) 85%, var(--label))}.code-block{border-radius:var(--r-card);background:var(--surface-3);font-family:var(--mono);white-space:pre;max-width:100%;margin:0;padding:14px 16px;font-size:13px;line-height:1.6;overflow-x:auto}.lesson-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:6px;display:flex}.resources{flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.resources a{align-items:center;gap:5px;display:inline-flex}.tryit{border-radius:var(--r-card);border:1px solid var(--separator);background:var(--fill-2);align-content:start;gap:10px;padding:16px;display:grid}.tryit-prompt{color:var(--label-2);font-size:14px;line-height:1.55}.deliverable{border-radius:var(--r-card);border:1px dashed var(--ring);gap:10px;padding:20px}.deliverable-list{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:6px 16px;margin:0;padding:0;font-size:14px;list-style:none;display:grid}.deliverable-list li{color:var(--label-2);align-items:center;gap:6px;display:flex}.deliverable-list svg{color:var(--tint-text);flex:none}.widget{border-radius:var(--r-card);border:1px solid var(--separator);background:var(--panel);box-shadow:var(--shadow-1);gap:12px;min-width:0;padding:16px;display:grid}.widget-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.vh-stage{place-items:center;min-height:64px;display:grid}.vh-word{letter-spacing:-.02em;font-size:28px;font-weight:700}.vh-buttons{justify-content:center;gap:12px;display:flex}.vh-btn{min-width:96px;height:44px;font-family:var(--mono);font-size:17px}.vh-feedback{text-align:center;color:var(--label-2);font-size:14px}.vh-feedback.ok strong{color:var(--green)}.vh-feedback.bad strong{color:var(--red)}.bpe-words{gap:6px;margin:0;padding:0;list-style:none;display:grid}.bpe-words li{align-items:center;gap:10px;display:flex}.bpe-count{width:28px;color:var(--label-3);flex:none;font-size:12px}.bpe-symbols{flex-wrap:wrap;gap:3px;display:flex}.bpe-sym{font-family:var(--mono);background:var(--fill);border-radius:6px;padding:1px 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