.prediction-feedback{margin:1rem 0;padding:1.2rem 1.4rem;border:1px solid var(--line,#91aea4);border-left:4px solid #8498b8;border-radius:14px;background:var(--panel,var(--paper,#f5f8f5));color:var(--ink,inherit);line-height:1.85}.prediction-feedback[hidden]{display:none}.prediction-feedback h4{font-size:1.08rem;margin:0 0 .55rem}.prediction-feedback p{margin:.55rem 0}.prediction-feedback.feedback-correct{border-left-color:#39a488}.prediction-feedback.feedback-rethink{border-left-color:#cf8f49}.feedback-mechanism{opacity:.85}.prediction-feedback-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.prediction-feedback-actions button{white-space:normal}.prediction-button.guided-wrong{outline:2px solid #cf8f49;outline-offset:2px}.prediction-button.guided-correct{outline:2px solid #39a488;outline-offset:2px}
.reporter-flow{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:.7rem;margin-top:1rem;font-size:.9rem}.reporter-flow b{padding:.7rem;border:1px solid var(--line,#91aea4);border-radius:12px}.reporter-arrow{color:#30ac92;font-size:1.5rem}
.measurement-deck,.measurement-selection,.measurement-legend{line-height:1.8}.measurement-plate{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.6rem;padding:1rem;background:#0b252c;border:1px solid #31545a;border-radius:22px}.measurement-well{display:flex;flex-direction:column;align-items:center;justify-content:center;aspect-ratio:1.08;border:1px solid #3d6166;border-radius:50%;background:radial-gradient(circle,#123e47,#081e27 75%);color:#b6cdd0;min-width:0;cursor:pointer;font:inherit}.measurement-well:disabled{opacity:.48;cursor:default}.measurement-well.is-measured{background:radial-gradient(circle,#37af8c 0,#124d47 45%,#09252e 72%);color:#e7fff3;box-shadow:inset 0 0 14px #5be8a955}.measurement-well[aria-pressed=true]{outline:3px solid #f1bd72;outline-offset:2px}.measurement-well small{font-size:.7rem}.measurement-well strong{font-size:clamp(.75rem,1.4vw,1.15rem);font-variant-numeric:tabular-nums}.measurement-selection{min-height:3.5em;font-size:.9rem}.measurement-chart svg{display:block;width:100%;height:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px}.measurement-chart text{fill:var(--muted);font:23px sans-serif}.measurement-gridline{stroke:var(--line);stroke-width:1}.measurement-reference{stroke:#c99b61;stroke-width:2.5;stroke-dasharray:10 8}.measurement-mean{stroke:#35bfa0;stroke-width:4;fill:none}.measurement-point{fill:#9faff9;stroke:var(--panel);stroke-width:2}.measurement-point.selected{fill:#f2b768;stroke-width:3}.measurement-errorbar{stroke:#35bfa0;stroke-width:3;fill:none}.measurement-legend{font-size:.85rem;color:var(--muted)}.measurement-shortcuts{display:flex;gap:.5rem;margin:.6rem 0}.measurement-shortcuts button{flex:1}.measurement-challenge{padding:1rem;border:1px solid var(--line);border-radius:14px;margin:1rem 0}.measurement-challenge h4{margin:0 0 .65rem}.measurement-challenge label{display:flex;align-items:center;gap:.5rem;line-height:1.6}.measurement-challenge input{accent-color:#39a488;min-width:20px;min-height:20px}.measurement-challenge p{font-size:.88rem;line-height:1.7}.measurement-live{padding:1rem 1.2rem;margin:1rem 0;border-left:3px solid #37b595;line-height:1.85}.measurement-live p{margin:.6rem 0}
.reader-background{margin:14px 0 20px;padding:0;border:0;background:transparent;color:var(--ink,inherit);text-align:left;overflow-wrap:anywhere}
.reader-background>p{font-size:16px;font-weight:400;line-height:1.9;margin:0 0 12px;letter-spacing:0}
.reader-background>p:last-child{margin-bottom:0}
.step-intro .reader-background{max-width:66ch}.step-intro .reader-background>p{font-size:16.5px}
.reader-background+#step-question{margin-top:2px;padding-top:14px;border-top:1px solid var(--line);font-weight:650}
@media(min-width:981px){.step-hero .step-picture img{position:absolute;inset:0;width:100%;height:100%;max-height:none;aspect-ratio:auto;object-fit:cover}}
.copy .quiz .reader-background p{color:var(--ink);font-size:16px}
.prediction .reader-background{margin-bottom:20px}.question-copy>.reader-background{margin:16px 0 22px}
@media(max-width:600px){.reader-background>p,.step-intro .reader-background>p{font-size:16px;line-height:1.9}.reader-background{margin:12px 0 18px}.prediction-feedback{padding:1rem}.prediction-feedback-actions{flex-direction:column}.measurement-plate{gap:.45rem;padding:.8rem}.measurement-well strong{font-size:.8rem}.measurement-chart text{font-size:26px}.measurement-shortcuts{flex-wrap:wrap}}