.power-lab{background:#fbfdfc;margin:1.5rem 0 1.75rem;padding:clamp(.8rem,2vw,1.15rem)}.power-intro{justify-content:space-between;align-items:start;gap:1rem;display:flex}.power-kicker{color:var(--green-dark);letter-spacing:.1em;text-transform:uppercase;margin:0 0 .35rem;font-size:.69rem;font-weight:800}.power-intro h3{letter-spacing:-.035em;margin:0 0 .45rem;font-size:clamp(1.15rem,2.3vw,1.55rem)}.power-intro p:not(.power-kicker){max-width:650px;color:var(--muted);margin:0;font-size:.92rem;line-height:1.55}.power-score{border-left:1px solid var(--line);text-align:right;min-width:8.5rem;padding:.6rem .7rem}.power-score span,.power-score small{color:var(--muted);font-size:.67rem;display:block}.power-score strong{color:var(--green-dark);font-size:1.15rem;display:block}.power-prediction{border:1px solid var(--line);margin:1rem 0 0;padding:.9rem}.power-prediction legend{color:var(--ink);letter-spacing:.08em;text-transform:uppercase;padding:0 .35rem;font-size:.75rem;font-weight:800}.power-prediction-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.power-prediction-group{align-content:start;gap:.52rem;display:grid}.power-question-label{color:var(--ink);font-size:.84rem;font-weight:700;line-height:1.45}.power-prediction-group label{color:var(--muted);font-size:.83rem;line-height:1.4}.power-prediction-group input{accent-color:var(--green-dark);margin-right:.35rem}.power-reveal-row{flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.9rem;display:flex}.power-feedback{color:var(--muted);margin:0;font-size:.81rem;line-height:1.45}.power-feedback:before{content:"";background:var(--green-dark);border-radius:50%;width:.45rem;height:.45rem;margin:0 .45rem .05rem 0;display:inline-block}.power-controls{border-top:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem;margin-top:1rem;padding-top:1rem;display:grid}.power-controls label,.power-state-controls label{color:var(--muted);gap:.25rem;font-size:.75rem;line-height:1.35;display:grid}.power-controls output{color:var(--ink);font-weight:750}.power-controls input{width:100%;accent-color:var(--green-dark)}.power-controls select,.power-state-controls select{border:1px solid var(--line);width:100%;min-height:2rem;color:var(--ink);background:var(--surface);border-radius:2px;padding:.25rem .35rem}.power-state-controls{border:1px dashed var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin-top:.8rem;padding:.8rem;display:grid}.power-chart-grid{grid-template-columns:minmax(0,1.55fr) minmax(230px,.45fr);gap:.8rem;margin-top:.85rem;display:grid}.power-chart-panel,.power-readout-panel{border:1px solid var(--line);background:var(--surface);min-width:0;padding:.8rem}.power-panel-heading{justify-content:space-between;align-items:start;gap:.8rem;display:flex}.power-panel-heading h4{margin:0;font-size:.98rem}.power-state-badge{border:1px solid var(--line);color:var(--muted);white-space:nowrap;padding:.25rem .4rem;font-size:.66rem;font-weight:750}#power-chart{width:100%;height:auto;margin-top:.2rem;display:block;overflow:visible}.power-gridline{stroke:var(--line);stroke-width:1px;opacity:.7}.power-axis-label,.power-section-label,.power-curve-label,.power-boundary-label,.power-reject-label,.power-target-label,.power-current-label,.power-required-label{fill:var(--ink);font-family:Inter,ui-sans-serif,system-ui,sans-serif}.power-axis-label{font-size:11px}.power-section-label{font-size:12px;font-weight:700}.power-null-curve{fill:none;stroke:var(--ink);stroke-width:2.4px;stroke-dasharray:7 5}.power-alt-curve{fill:none;stroke:var(--green-dark);stroke-width:3px}.power-boundary{stroke:var(--ink);stroke-width:1.5px;stroke-dasharray:3 4;opacity:.75}.power-boundary-label,.power-target-label{font-size:10px;font-weight:750}.power-curve-label,.power-reject-label{font-size:11px;font-weight:700}.power-reject-label{fill:var(--muted)}.power-power-curve{fill:none;stroke:var(--green-dark);stroke-width:3px;stroke-linecap:round}.power-target-line{stroke:var(--green-dark);stroke-width:1.5px;stroke-dasharray:4 4;opacity:.8}.power-current-line{stroke:var(--ink);stroke-width:1px;stroke-dasharray:3 4;opacity:.65}.power-current-point{fill:var(--green);stroke:var(--ink);stroke-width:2px}.power-required-line{stroke:var(--green-dark);stroke-width:1.5px;stroke-dasharray:2 3;opacity:.85}.power-current-label,.power-required-label{font-size:10px;font-weight:750}.power-legend{color:var(--muted);flex-wrap:wrap;gap:.45rem .8rem;margin-top:.3rem;font-size:.69rem;display:flex}.legend-line,.legend-boundary,.legend-target{vertical-align:-.1rem;width:1.25rem;height:.65rem;margin-right:.22rem;display:inline-block}.legend-null{border-top:2px dashed var(--ink)}.legend-alt{border-top:3px solid var(--green-dark)}.legend-boundary{border-left:2px dashed var(--ink);width:.5rem}.legend-target{border-top:2px dashed var(--green-dark)}.power-chart-summary{border-top:1px solid var(--line);margin:.55rem 0 0;padding-top:.55rem;font-size:.82rem;color:var(--ink)!important;line-height:1.45!important}.power-readout-panel{align-content:start;gap:.5rem;display:grid}.power-readouts{gap:.55rem;margin:0;display:grid}.power-readouts div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:.7rem;padding-bottom:.45rem;display:flex}.power-readouts dt{color:var(--muted);font-size:.73rem;line-height:1.3}.power-readouts dd{color:var(--ink);text-align:right;margin:0;font-size:.92rem;font-weight:800}.power-family-box{border-left:2px solid var(--green-dark);background:#fbfdfc;margin-top:.25rem;padding:.7rem}.power-mini-label{color:var(--green-dark);letter-spacing:.06em;text-transform:uppercase;margin:0 0 .25rem;font-size:.68rem;font-weight:800}.power-family-box p:last-child{color:var(--muted);margin:0;font-size:.78rem;line-height:1.5}.power-state-explanation{border-top:2px solid var(--green-dark);border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1rem;margin-top:.8rem;padding:.85rem;display:grid}.power-state-explanation h4{margin:0 0 .25rem;font-size:.95rem}.power-state-explanation p:not(.power-kicker):not(.power-state-equation){color:var(--muted);margin:0;font-size:.82rem;line-height:1.55}.power-state-equation{white-space:nowrap;margin:0;font-family:ui-serif,Georgia,serif;color:var(--ink)!important;font-size:1rem!important}.power-monte-carlo{color:var(--muted);margin:.65rem 0 0;font-size:.74rem!important;line-height:1.5!important}.power-accessible-summary{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=940px){.power-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.power-chart-grid{grid-template-columns:1fr}}@media (width<=620px){.power-intro,.power-panel-heading{display:block}.power-score{border-top:1px solid var(--line);text-align:left;border-left:0;width:max-content;margin-top:.8rem;padding:.4rem 0 0}.power-prediction-grid,.power-controls,.power-state-controls,.power-state-explanation{grid-template-columns:1fr}.power-state-equation{white-space:normal}#power-chart{min-width:0}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.lesson-main[data-astro-cid-lc2pjmi2],.lesson-aside[data-astro-cid-lc2pjmi2]{min-width:0}.math[data-astro-cid-lc2pjmi2]{white-space:nowrap;color:var(--ink);font-family:ui-serif,Georgia,serif}.equation[data-astro-cid-lc2pjmi2]{border-block:1px solid var(--line);text-align:center;white-space:nowrap;margin:1rem 0;padding:.9rem 1rem;font-family:ui-serif,Georgia,serif;font-size:clamp(1rem,2.2vw,1.25rem);overflow-x:auto;color:var(--ink)!important}.plain-list[data-astro-cid-lc2pjmi2]{color:var(--muted);gap:.65rem;padding-left:1.2rem;line-height:1.65;display:grid}.plain-list[data-astro-cid-lc2pjmi2] strong[data-astro-cid-lc2pjmi2]{color:var(--ink)}.trap[data-astro-cid-lc2pjmi2]{border:1px solid var(--ink);margin:1rem 0;padding:1rem 1.1rem}.trap[data-astro-cid-lc2pjmi2] p[data-astro-cid-lc2pjmi2]{margin-bottom:.55rem}.trap[data-astro-cid-lc2pjmi2] p[data-astro-cid-lc2pjmi2]:last-child{margin-bottom:0}.interview-bank[data-astro-cid-lc2pjmi2]{counter-reset:bank}.interview-bank[data-astro-cid-lc2pjmi2] .question[data-astro-cid-lc2pjmi2]{counter-increment:bank}.rubric[data-astro-cid-lc2pjmi2]{border-top:2px solid var(--green-dark);border-bottom:1px solid var(--line);gap:.6rem;margin:1rem 0;padding:1rem;display:grid}.rubric[data-astro-cid-lc2pjmi2] p[data-astro-cid-lc2pjmi2]{margin:0}.cheat-sheet[data-astro-cid-lc2pjmi2]{border:1px solid var(--line);background:#fbfdfc;gap:.5rem;margin-top:1rem;padding:1rem;display:grid}.cheat-sheet[data-astro-cid-lc2pjmi2] p[data-astro-cid-lc2pjmi2]{margin:0}.source-note[data-astro-cid-lc2pjmi2]{margin-top:1.25rem;font-size:.83rem}.source-note[data-astro-cid-lc2pjmi2] a[data-astro-cid-lc2pjmi2]{color:var(--green-dark);font-weight:650}.lesson-footer-links[data-astro-cid-lc2pjmi2]{flex-wrap:wrap;justify-content:flex-end;gap:1rem;display:flex}@media (width<=620px){.lesson-footer-links[data-astro-cid-lc2pjmi2]{justify-content:flex-start}.cheat-sheet[data-astro-cid-lc2pjmi2] .math[data-astro-cid-lc2pjmi2]{white-space:normal;overflow-wrap:anywhere}}