/* Lessons 26–30 use lab.css; this file adds a flexible equation strip and a few scene labels. */
.sixth-lab .sixth-equation{display:flex;align-items:stretch;gap:0 10px}
.sixth-lab .sixth-equation>div{flex:1 1 0}
.sixth-lab .sixth-equation .operator{flex:0 0 auto}
.sixth-lab .lab-equation output{font-size:30px;overflow-wrap:anywhere;white-space:normal}
.sixth-lab .lab-instruction .lab-chips{margin-top:14px}
.sixth-lab .lab-result .equation{font-size:32px;overflow-wrap:anywhere}
.sixth-lab .lab-scene .sx-num{font-size:18px;font-weight:700;fill:#5d5a4c}
.sixth-lab .lab-scene .sx-cell{font-size:26px;font-weight:700;fill:#3f3e34}
.sixth-lab .lab-scene .sx-tag{font-size:20px;font-weight:700}
.sixth-lab .on-graph.slot{transform:translate(-50%,-50%);padding:7px}
.sixth-lab .on-graph.slot>span:last-child{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sixth-lab .lab-scene .sx-narrow{display:none}
/* Colour = identity: the readout boxes carry the colour of what they measure. */
.sixth-lab .lab-equation>div.key-top-green{border-top:4px solid var(--green)}
.sixth-lab .lab-equation>div.key-top-copper{border-top:4px solid var(--copper)}
.sixth-lab .lab-equation>div.key-top-gold{border-top:4px solid #b08a35}
.sixth-lab .lab-equation>div.key-top-ink{border-top:4px solid var(--ink)}
@media(max-width:760px){
 .sixth-lab .sixth-equation{flex-direction:column;gap:4px;margin:16px 14px 0}
 .sixth-lab .sixth-equation>div{display:flex;justify-content:space-between;align-items:center;gap:12px}
 .sixth-lab .sixth-equation .eq-label{max-width:58%}
 .sixth-lab .sixth-equation output{text-align:right;font-size:24px}
 .sixth-lab .sixth-equation .operator{align-self:center;padding:0;font-size:24px;line-height:1}
 .sixth-lab .lab-result .equation{font-size:25px}
 .sixth-lab .lab-scene .lbl{font-size:42px}
 .sixth-lab .lab-scene .sx-num{font-size:32px}
 .sixth-lab .lab-scene .sx-minor{display:none}
 .sixth-lab .lab-scene .sx-cell{font-size:40px}
 .sixth-lab .lab-scene .sx-tag{font-size:34px}
 .sixth-lab .lab-scene .sx-strip{font-size:28px}
 .sixth-lab .lab-scene .sx-wide{display:none}
 .sixth-lab .lab-scene .sx-narrow{display:inline}
}