.arcade-board{background:#f6f7fb;color:#24364a;min-height:420px;padding:18px;border-radius:20px;width:100%;box-sizing:border-box}.arcade-field{border:0;padding:0;margin:0;min-width:0}.arcade-hud{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;padding:0 0 16px;border-bottom:1px solid #ccd4d7;font-size:13px}.arcade-score{font-weight:700}.arcade-surface{padding:12px 0;min-height:320px}.arcade-note{font-size:13px;line-height:1.65;margin:8px 0 14px;color:#4c5d70}.arcade-choice{border:1px solid #76899a;border-radius:9px;background:var(--piece,#ffffff);color:#223447;min-height:42px;padding:9px 12px;box-shadow:0 3px 0 #59687a26,0 1px 6px #59687a10;cursor:pointer;font:600 14px system-ui;transition:box-shadow .15s,background .15s}.arcade-choice:hover:not(:disabled){box-shadow:0 4px 12px #35445a30;border-color:#263b52}.arcade-choice:active:not(:disabled){box-shadow:none}.arcade-choice:focus-visible{outline:3px solid #3e73c5;outline-offset:3px}.arcade-choice.active{outline:2px solid #368a73;outline-offset:1px;background:var(--piece,#dcefe6)}.arcade-choice:disabled{opacity:.52;cursor:default}.arcade-choice.blocked{background:#31465a;color:#fff;opacity:1}.arcade-grid{display:grid;gap:5px;max-width:520px;margin:16px auto}.arcade-grid .arcade-choice{aspect-ratio:1;padding:2px;min-height:0;min-width:0;font-size:clamp(11px,1.1vw,17px)}.arcade-button-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.arcade-cards{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0}.arcade-cards .arcade-choice{font-size:20px;min-height:80px;min-width:85px}.arcade-graph,.piece-board,.geoboard,.billiards-board,.circle-board,.defence-board,.boxes-board{width:100%;max-height:480px;display:block;touch-action:none}.graph-edge{stroke:#8196a7;stroke-width:12;cursor:pointer;stroke-linecap:round}.graph-edge.chosen{stroke:#429d85}.edge-label{fill:#273a52;text-anchor:middle;font-size:18px;font-weight:700;paint-order:stroke;stroke:#f6f7fb;stroke-width:6px;cursor:pointer}.edge-arrow{fill:#31465a;font-size:26px}.graph-node{cursor:pointer}.graph-node circle{fill:#ffffff;stroke:#56738d;stroke-width:3}.graph-node text{fill:#31465a;text-anchor:middle;font-size:17px;pointer-events:none}.graph-node.visited circle{fill:#90c5ae}.graph-node.current circle{fill:#78b69d;stroke:#26594c;stroke-width:5}.arcade-tools>.arcade-note{font-size:12px}.arcade-board.paused .arcade-surface{pointer-events:none;filter:blur(2px)}.hanoi-poles{display:flex;gap:15px;margin:25px 0}.hanoi-poles>.arcade-choice{width:33.3%;height:250px;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}.hanoi-stack{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:3px;width:100%;flex:1;border-bottom:8px solid #788aa0;background:linear-gradient(90deg,transparent 48%,#bfc6c9 48%,#bfc6c9 52%,transparent 52%)}.hanoi-disc{background:#90b4be;border:1px solid #426574;border-radius:5px;height:25px;line-height:25px}.arcade-jugs{display:flex;justify-content:space-around;gap:20px}.jug-card{width:40%;display:flex;flex-wrap:wrap;gap:6px}.jug-vessel{height:180px;width:100%;border:4px solid #7e9daa;border-top:0;position:relative;border-radius:0 0 16px 16px;background:#fff8}.jug-water{position:absolute;bottom:0;width:100%;background:#85b9d080;border-radius:0 0 10px 10px}.jug-vessel strong{position:absolute;top:35%;width:100%;text-align:center;font-size:25px}.river-board{display:flex;align-items:center;justify-content:space-between;background:#c7e1e7;border-radius:18px;margin:20px 0;min-height:160px}.river-bank{width:32%;padding:20px;background:#d4e6d3;border-radius:18px;font-size:16px;line-height:2}.river-boat{font-size:30px}.shunt-tracks{display:flex;flex-direction:column;gap:22px;margin:30px 0}.shunt-tracks .arcade-choice{height:70px;text-align:left;font-size:22px}.arcade-dials{display:flex;gap:25px;justify-content:center;margin:35px 0}.arcade-dials>.arcade-choice{min-width:75px;min-height:85px;font-size:30px}.arcade-dial{display:flex;flex-direction:column;align-items:center;gap:12px}.arcade-dial strong{font-size:44px}.arcade-thrust{display:grid;grid-template-columns:repeat(3,48px);gap:8px;justify-content:center}.arcade-heaps{display:flex;flex-direction:column;gap:10px}.hex-grid .arcade-choice{clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%)}.arcade-inventory{display:flex;flex-wrap:wrap;gap:8px}.arcade-inventory span{padding:10px;background:#dde6e6;border-radius:9px}.circuit-gates{display:flex;flex-wrap:wrap;gap:12px}.circuit-gate{display:flex;flex-direction:column;gap:6px;flex:1;min-width:90px}.arcade-truth{display:grid;grid-template-columns:1fr 1fr;margin-top:15px}.arcade-dice{display:flex;justify-content:center;gap:15px;margin:20px}.die{font-size:70px;line-height:1;color:#465e74}.triple-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.triple-cards .arcade-choice{padding:2px}.triple-cards svg{display:block;width:100%}.arcade-hint{overflow-wrap:anywhere;font-size:12px;max-height:180px;overflow:auto;padding:15px;background:#e3e8f0;border-radius:10px}.arcade-hint summary{cursor:pointer;font-weight:600}.arcade-surface{user-select:none}.arcade-field[disabled]{opacity:.65}
@media(max-width:720px){.arcade-board{padding:12px}.arcade-surface{min-height:260px}.arcade-graph{min-height:250px}.hanoi-poles>.arcade-choice{height:190px}.triple-cards{grid-template-columns:repeat(3,1fr)}.arcade-choice{font-size:13px}.river-bank{padding:10px;font-size:12px}.arcade-dial strong{font-size:34px}.arcade-grid{gap:3px}.arcade-graph .edge-label{font-size:20px}.graph-edge{stroke-width:14}.piece-board{min-height:260px}}
@media(prefers-reduced-motion:reduce){.arcade-choice{transition:none}}
.thumb .arcade-preview{width:100%;height:100%;object-fit:contain;display:block;box-sizing:border-box;padding:14px;background:#f6f7fb;transition:transform .2s}.game-card:hover .arcade-preview{transform:scale(1.035)}.thumb-no,.thumb-levels,.thumb-go{z-index:1}.thumb-no{background:#f7f8fbdc;padding:3px 5px;border-radius:4px}