*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none;touch-action:manipulation}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.game{width:min(92vw,400px);display:flex;flex-direction:column;gap:14px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.title{font-size:clamp(30px,9vw,48px);font-weight:800;line-height:1;letter-spacing:-1px}.scores{display:flex;gap:8px}.score-box{background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 12px;text-align:center;min-width:56px}.score-box .label{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.score-box .value{font-size:20px;font-weight:800;line-height:1.1}.board-wrap{position:relative;align-self:center}.board{--board: min(92vw, 400px);--cs: calc(var(--board) / var(--n));--gap: 4px;position:relative;width:var(--board);height:var(--board);background:var(--board-bg);border-radius:10px;touch-action:none}.grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(var(--n),1fr);grid-template-rows:repeat(var(--n),1fr)}.grid .cell{margin:3px;background:var(--cell-bg);border-radius:6px;opacity:.55}.exit{position:absolute;right:-4px;top:calc(var(--exit-row) * var(--cs) + var(--gap));height:calc(var(--cs) - 2 * var(--gap));width:7px;border-radius:4px;background:#ef5350;opacity:.55}.blocks{position:absolute;inset:0}.block{position:absolute;border-radius:8px;background:#7f8aa3;box-shadow:inset 0 -4px #0000002e,inset 0 2px #ffffff1f;cursor:grab;touch-action:none;transition:left .14s ease,top .14s ease}.block:active{cursor:grabbing}.block.target{background:#ef5350}.block.selected{outline:3px solid var(--accent);outline-offset:-3px}.block.escaped{transition:left .45s ease,top .45s ease,opacity .45s ease;opacity:0}.overlay{position:absolute;inset:0;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:20px;background:var(--overlay-bg);z-index:10;opacity:0;pointer-events:none;transition:opacity .2s ease}.overlay.show{opacity:1;pointer-events:auto}.overlay .msg{font-size:clamp(26px,8vw,40px);font-weight:800;color:var(--accent)}.overlay .sub{font-size:15px;opacity:.85}.overlay .actions{display:flex;gap:10px;margin-top:8px}.controls{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn.ghost{background:transparent;color:var(--accent);border:2px solid var(--accent);padding:8px 14px}.how{font-size:12px;opacity:.85;text-align:center}.how b{font-weight:700}