:root{--bg:#eef1f5;--surface:#fff;--text:#1d2733;--muted:#5f6b7a;--line:#d5dbe3;--accent:#2f5d8a;--accent-soft:#dbe7f3;--ok:#2e7d32;--bad:#c62828;--radius:14px;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{overscroll-behavior:none;height:100%;margin:0;overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 14px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--bad);border-color:#f0b8b8}.muted{color:var(--muted)}.spacer{flex:1}.app{grid-template-rows:minmax(0,1fr);grid-template-columns:1fr;height:100%;display:grid}.app.with-log{grid-template-columns:1fr 300px}.main{flex-direction:column;gap:10px;min-width:0;height:100%;min-height:0;padding:10px;display:flex}.topbar{align-items:center;gap:8px;min-height:52px;display:flex}.board-title{text-align:center;white-space:nowrap;text-overflow:ellipsis;flex:1;margin:0 8px;font-size:1.35rem;overflow:hidden}.topbar-tools{gap:6px;margin-left:auto;display:flex}.edit-toolbar{flex-wrap:wrap;flex:1;align-items:center;gap:8px;display:flex}.board-name-input{border:1px solid var(--line);border-radius:10px;min-width:180px;padding:6px 10px;font-size:1.1rem;font-weight:600}[data-tap]{touch-action:pan-x pan-y;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;cursor:pointer;transition:transform 80ms,box-shadow 80ms}[data-tap].tap-pressed{box-shadow:0 0 0 4px var(--accent) inset;transform:scale(.96)}[data-tap].tap-fired{animation:.45s ease-out fired}[data-tap].tap-rejected{animation:.35s ease-out rejected}@keyframes fired{0%{box-shadow:0 0 0 6px 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autoclear{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.sentence-hint{color:var(--muted);font-size:1.05rem}.sentence-token{text-align:center;flex-direction:column;align-items:center;min-width:64px;max-width:110px;height:100%;font-size:.95rem;font-weight:600;display:flex}.sentence-token .picto{flex:1;min-height:0}.sentence-actions{gap:8px;display:flex}.action{background:var(--surface);border:2px solid var(--line);border-radius:var(--radius);flex-direction:column;justify-content:center;align-items:center;width:clamp(68px,9vw,100px);font-weight:600;display:flex}.action-icon{font-size:1.8rem;line-height:1.2}.board-area{-webkit-overflow-scrolling:touch;overscroll-behavior:contain;flex:1;min-height:0;overflow:auto}.grid-wrap{--min-cell-w:64px;--min-cell-h:72px;height:100%;min-width:calc(var(--cols) * var(--min-cell-w));min-height:calc(var(--rows) * 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