/* Lesson 1 patterns, using the Mini App's existing typography and art tokens. */
.ll-content{line-height:1.65}
.ll-content>h2{display:flex;align-items:center;gap:16px;line-height:1.25;text-wrap:pretty}
.ll-content .ll-icon{display:block;flex:none;width:52px;height:52px;pointer-events:none}
.ll-content .ll-icon .pt-svg{width:100%;height:100%}
.ll-content .ll-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}
.ll-content .ll-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.ll-content .ll-grid-one{grid-template-columns:1fr}
.ll-content .ll-stack{display:grid;gap:16px;margin:28px 0}
.ll-content .ll-card{min-width:0;padding:24px;background:var(--bg);border-radius:var(--radius);overflow-wrap:break-word}
.ll-content .ll-card>.ll-icon{margin-bottom:16px}
.ll-content .ll-card>h3{margin:0 0 12px;line-height:1.35;text-wrap:pretty}
.ll-content .ll-card>b{display:block;font-size:var(--fs-lead);font-weight:600;line-height:1.4}
.ll-content .ll-card p{color:var(--muted-strong)}
.ll-content .ll-card p:last-child{margin-bottom:0}
.ll-content .ll-card>span:not(.ll-icon){display:block;color:var(--muted-strong);margin-top:12px;font-size:var(--fs-small)}
.ll-content .ll-card>span.ll-card-title{margin:0;font-size:var(--fs-lead);font-weight:600;color:var(--ink);line-height:1.4}
.ll-content .ll-card>span.ll-card-kicker{margin:0 0 8px;font-size:var(--fs-small);font-weight:800;color:var(--accent-deep)}
.ll-content>.ll-card{margin:24px 0}
.ll-content .ll-stack>.ll-card:not(.ll-check-card){position:relative;padding-left:100px}
.ll-content .ll-stack>.ll-card>.ll-icon{position:absolute;left:24px;top:24px;margin:0}
.ll-content .ll-check-card{display:grid;grid-template-columns:52px minmax(0,1fr);gap:24px;align-items:start}
.ll-content .ll-check{font-size:0;line-height:0}
.ll-content .ll-check-card b{display:block;font-size:var(--fs-lead);font-weight:600;line-height:1.4}
.ll-content .ll-check-card p{margin-bottom:0}
.ll-content .ll-callout{margin:24px 0;padding:8px 0 8px 20px;border-left:2px solid var(--accent);color:var(--muted-strong)}
.ll-content .ll-callout p:last-child{margin-bottom:0}
.ll-content .ll-flow{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}
.ll-content .ll-flow-item{display:flex;align-items:center;flex:1 1 150px;min-width:0;padding:16px 20px;border-radius:var(--radius-sm);background:var(--bg);font-weight:600;line-height:1.4}
.ll-content .ll-steps{display:grid;gap:12px;margin:28px 0}
.ll-content .ll-step{display:grid;grid-template-columns:44px minmax(0,1fr);gap:20px;align-items:start;padding:20px 24px;background:var(--bg);border-radius:var(--radius)}
.ll-content .ll-number{display:grid;place-items:center;min-height:44px;font-weight:800;color:var(--accent-deep);background:var(--accent-faint);border-radius:var(--radius-sm)}
.ll-content .ll-step>span:last-child{align-self:center}
.ll-content .ll-step b:not(.ll-number){display:block;font-size:var(--fs-lead);line-height:1.4;font-weight:600}
.ll-content .ll-step p{color:var(--muted-strong);margin-bottom:0}
.ll-content .ll-values{display:grid;gap:0;margin:28px 0}
.ll-content .ll-value{display:grid;grid-template-columns:minmax(160px,1fr) minmax(0,2fr);gap:24px;padding:18px 0;border-top:1px solid var(--line)}
.ll-content .ll-value:last-child{border-bottom:1px solid var(--line)}
.ll-content .ll-value>span{color:var(--muted-strong)}
.ll-content .ll-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin:24px 0}
.ll-content .ll-chapter{display:grid;grid-template-columns:minmax(66px,max-content) minmax(0,1fr);gap:16px;align-items:start;padding:14px 0;border-top:1px solid var(--line);font-size:var(--fs-small)}
.ll-content .ll-chapter>time{margin:0;color:var(--accent-deep)}
.ll-content .ll-equation{display:grid;grid-template-columns:var(--ll-equation-columns);gap:8px;align-items:stretch;margin:28px 0}
.ll-content .ll-equation>.ll-card{padding:20px}
.ll-content .ll-arrow{display:grid;place-items:center;color:var(--accent-deep);font-size:var(--fs-lead)}
.ll-content .ll-free-point{position:relative;padding:24px 24px 24px 100px;border:0;border-radius:var(--radius);background:var(--surface-2);color:var(--ink)}
.ll-content .ll-free-point>.ll-icon{position:absolute;left:24px;top:20px}
.ll-content .ll-fractal-row{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr);gap:32px;margin:28px 0;align-items:center}
.ll-content .ll-fractal{position:relative;background:var(--bg);border-radius:var(--radius);padding:24px;text-align:center}
.ll-content .ll-fractal>span:first-child{font-size:var(--fs-small);color:var(--muted-strong)}
.ll-content .ll-fractal-dot{display:block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin:16px auto 0}
.ll-content .ll-candles{display:flex;justify-content:center;align-items:end;gap:20px;height:140px;padding-bottom:20px}
.ll-content .ll-candle{position:relative;width:20px;height:70px;background:var(--line-strong);border-radius:3px}
.ll-content .ll-candle::before{content:'';position:absolute;left:9px;top:-14px;bottom:-14px;width:2px;background:var(--muted-strong)}
.ll-content .ll-candle:nth-child(2){height:96px;background:var(--accent)}
.ll-hero.has-art .lesson-navigation{max-width:none}
@media(min-width:761px){
 .ll-hero.has-art .wrap>h1,.ll-hero.has-art .wrap>.hero-copy{max-width:70%}
 .ll-hero .pt-hero-art{width:min(24vw,280px);top:60%}
}
@media(max-width:760px){
 .ll-hero h1.compact{font-size:var(--fs-h3);line-height:1.2}
 .ll-content>h2{gap:12px;align-items:start}
 .ll-content>h2>.ll-icon{width:40px;height:40px}
 .ll-content .ll-grid,.ll-content .ll-chapters,.ll-content .ll-fractal-row{grid-template-columns:1fr;gap:16px}
 .ll-content .ll-card{padding:20px}
 .ll-content .ll-card>b,.ll-content .ll-check-card b,.ll-content .ll-step b:not(.ll-number){font-size:var(--fs-body)}
 .ll-content .ll-stack>.ll-card:not(.ll-check-card){padding:20px 16px 20px 80px}
 .ll-content .ll-stack>.ll-card>.ll-icon{left:16px;top:20px;width:48px;height:48px}
 .ll-content .ll-check-card{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:20px 16px}
 .ll-content .ll-check .ll-icon{width:40px;height:40px}
 .ll-content .ll-step{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:16px}
 .ll-content .ll-number{min-height:40px}
 .ll-content .ll-value{grid-template-columns:1fr;gap:8px;padding:16px 0}
 .ll-content .ll-flow{gap:10px}
 .ll-content .ll-flow-item{flex-basis:140px;padding:14px 16px}
 .ll-content .ll-chapters{gap:0}
 .ll-content .ll-chapter{gap:12px}
 .ll-content .ll-equation{grid-template-columns:1fr;gap:10px}
 .ll-content .ll-arrow{transform:rotate(90deg);height:24px}
 .ll-content .ll-free-point{padding:20px 16px 20px 80px}
 .ll-content .ll-free-point>.ll-icon{width:48px;height:48px;left:16px;top:16px}
 .ll-hero .pt-hero-art{width:160px;margin:12px auto 0}
}

/* Diagrams use equal centered cells; long chains remain a single readable column. */
.ll-content .ll-equation>.ll-diagram-item{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:88px;margin:0;line-height:1.5}
.ll-content .ll-equation>.ll-diagram-item p{margin:0}
.ll-content .ll-equation>.ll-arrow{align-self:stretch;justify-self:stretch;text-align:center;line-height:1;white-space:pre}
.ll-content .ll-equation-long{grid-template-columns:1fr;gap:10px;max-width:680px;margin-inline:auto}
.ll-content .ll-equation-long>.ll-arrow{transform:rotate(90deg);height:24px}
.ll-content .ll-flow-item{justify-content:center;text-align:center}
.ll-content .ll-reading{max-width:68ch}
.ll-content .ll-reading>p+p{margin-top:20px}
.ll-content .ll-reading>h3{margin-top:28px;color:var(--ink)}
.ll-content .ll-reading strong{font-weight:600;color:var(--ink)}
.ll-content .ll-takeaway{margin:24px 0;padding:8px 0 8px 20px;border-left:2px solid var(--accent);color:var(--ink)}
@media(max-width:760px){.ll-content .ll-equation>.ll-diagram-item{min-height:76px;padding:18px 20px}}
.ll-content .ll-equation>.ll-diagram-item>h3:last-child{margin:0}