.rectangle-tools{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.rectangle-tools button{min-height:44px}.rectangle-viewport{overflow:auto;max-width:100%;padding:3px;overscroll-behavior-x:contain}.rectangle-grid{display:grid;max-width:560px;aspect-ratio:1;touch-action:pan-x pan-y}.rectangle-cell{box-sizing:border-box;aspect-ratio:1;padding:0;min-height:44px;border:1px solid #718778;color:#243d34;font-size:21px;line-height:1;font-weight:700;border-radius:0}.rectangle-cell:disabled{opacity:1}.rectangle-cell[data-conflict=true]{box-shadow:inset 0 0 0 2px #b93428}.rectangle-cell[data-selected=true]{outline:2px solid #325d90;outline-offset:-5px}.rectangle-cell[data-hint=true]{outline:3px solid #b4630e;outline-offset:-5px}.rectangle-cell[data-anchor=true]{outline:4px solid #325d90;outline-offset:-5px}.rectangle-overview{font-size:12px;margin-bottom:6px}.rectangle-overview summary{min-height:44px;cursor:pointer;line-height:44px}.rectangle-overview svg{display:block;width:200px;max-width:100%;margin:4px 0}.rectangle-notice{font-size:14px;min-height:1.4em}.rectangle-notice button{display:block;margin-top:6px;min-height:44px}