/* Static, teacher-controlled paper simulation. No animation or autoplay. */
.handbook-review .review-walkthrough{display:grid;justify-items:center;gap:8px;width:100%;color:#173f3e}
.handbook-review .review-walkthrough [hidden]{display:none!important}
.handbook-review .review-walkthrough .rw-stage{font-size:22px;font-weight:700;line-height:1.35;margin:0}
.handbook-review .rw-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;padding:6px;width:min(100%,30vh,300px);aspect-ratio:1;background:#b8cabb;border:1px solid #789689;border-radius:9px}
.handbook-review .rw-cell{display:flex;align-items:center;justify-content:center;aspect-ratio:1;min-width:0;border:2px solid transparent;border-radius:5px;background:#eaf0e5;font-size:clamp(24px,2.1vw,34px);font-weight:700;color:#173f3e;line-height:1}
.handbook-review .rw-cell.is-empty{background:#fffef9}
.handbook-review .rw-cell.is-target{background:#f8e6b7;color:#704509}
.handbook-review .rw-cell.is-merged{border-color:#a36819;box-shadow:inset 0 0 0 1px #a36819}
.handbook-review .review-walkthrough .rw-condition{font-size:19px;line-height:1.4;margin:0;color:#54716e}
.handbook-review .review-walkthrough .rw-result{font-size:24px;line-height:1.35;margin:0;min-height:2.7em;max-width:420px;display:flex;align-items:center;justify-content:center}
.handbook-review .rw-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;width:100%;max-width:350px}
.handbook-review .rw-controls button{font-size:22px;line-height:1.3;padding:8px 7px;border-radius:7px;white-space:nowrap}
.handbook-review .rw-controls [data-rw-action="second"]{grid-column:1/-1}
.handbook-review .rw-controls button[aria-pressed="true"]{background:#e2ebde;border-color:#537c68}
@media(max-height:760px) and (min-width:901px){
 .handbook-review .review-walkthrough{gap:6px}
 .handbook-review .rw-board{width:min(100%,240px)}
 .handbook-review .rw-controls button{font-size:21px;padding:7px 6px}
}
@media(max-width:900px){.handbook-review .rw-board{width:min(100%,270px)}}