.sch{--accent:#3fd0c8}.sch-board{display:flex;align-items:center;justify-content:center;position:relative;padding:16px}.sch-grid{position:relative;display:grid;grid-template-columns:repeat(var(--n,5),1fr);gap:6px;width:min(72vh,100%,560px);aspect-ratio:1}.sch-cell{appearance:none;border:1px solid rgba(63,208,200,.25);border-radius:12px;cursor:pointer;background:rgba(18,26,40,.75);color:#dfe9ff;font:800 clamp(16px,4.2vmin,30px)/1 var(--font-mono);transition:background .12s,border-color .12s,opacity .2s;touch-action:manipulation}.sch-cell:hover{border-color:var(--accent)}.sch-cell.ok{opacity:.22;pointer-events:none}.sch-cell.bad{background:rgba(224,86,74,.5);border-color:#e0564a}.sch-dot{position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);pointer-events:none;opacity:.85}.sch-over[hidden]{display:none}.sch-over{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:rgba(6,10,18,.82);backdrop-filter:blur(4px);border-radius:16px;z-index:5}.sch-over b{font:800 44px/1 var(--font-mono);color:var(--accent)}.sch-over span{font:600 14px/1.4 var(--font-sans);color:var(--dim)}