:root{--bg:#f6f3ee;--surface:#fff;--text:#2d2a26;--muted:#6f6a63;--edge:#2d2a26;--cell-gap:#fffc;--conflict:#d23c2a;--accent:#2f6f8f;--win:#2e7d4f;--r0:#8ecae6;--r1:#ffd166;--r2:#b5e48c;--r3:#f4a7b9;--r4:#cdb4db;--r5:#f8ad7d;--r6:#90dbc9;--r7:#e9c46a;--r8:#a8b8f0;--r9:#d4a373;--r10:#c9e4ca;--r11:#f2b5d4;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1d1b19;--surface:#2a2724;--text:#f1ece5;--muted:#aaa39a;--edge:#0d0c0b;--cell-gap:#0005}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.app{flex-direction:column;align-items:center;gap:14px;max-width:560px;margin:0 auto;padding:16px;display:flex}[hidden]{display:none!important}.game,.picker{flex-direction:column;align-items:center;gap:14px;width:100%;display:flex}.top{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;width:100%;display:flex}h1{margin:0;font-size:clamp(1.1rem,4.6vw,1.5rem)}.counter{color:var(--muted);font-variant-numeric:tabular-nums;margin:0}.board{--size:6;aspect-ratio:1;grid-template-columns:repeat(var(--size), 1fr);grid-template-rows:repeat(var(--size), 1fr);border:3px solid var(--edge);touch-action:none;-webkit-user-select:none;user-select:none;border-radius:8px;width:min(100%,480px,100dvh - 240px);min-width:240px;display:grid;overflow:hidden;container-type:inline-size}.cell{background:var(--fill);box-shadow:inset 0 0 0 .5px var(--cell-gap);cursor:pointer;font:inherit;color:var(--text);border:0;place-items:center;margin:0;padding:0;display:grid;position:relative}.cell.edge-top{border-top:3px solid var(--edge)}.cell.edge-bottom{border-bottom:3px solid var(--edge)}.cell.edge-left{border-left:3px solid var(--edge)}.cell.edge-right{border-right:3px solid var(--edge)}.cell:focus-visible{outline:3px solid var(--accent);outline-offset:-5px;z-index:1}.mark{font-size:calc(100cqi / var(--size) * .45);color:#2d2a26b0;pointer-events:none;line-height:1}.cell.preview .mark,.cell.preview:after{opacity:.55}.cell.preview:after{content:"×";font-size:calc(100cqi / var(--size) * .45);color:#2d2a26;pointer-events:none;line-height:1}.piece{aspect-ratio:1;pointer-events:none;background:radial-gradient(circle at 35% 30%,#5b5550,#2d2a26 70%);border-radius:50%;width:62%;box-shadow:0 2px 4px #0005}.cell.starter .piece{outline-offset:2px;background:radial-gradient(circle at 35% 30%,#6c8aa0,#24465b 70%);outline:2px dashed #fffc}.cell.conflict .piece{background:radial-gradient(circle at 35% 30%, #ef7a6b, var(--conflict) 70%)}.cell.conflict:before{content:"";pointer-events:none;background:repeating-linear-gradient(45deg,#d23c2a33 0 6px,#0000 6px 12px);position:absolute;inset:0}.board.solved{border-color:var(--win)}.board.solved .cell{cursor:default}.status{text-align:center;min-height:1.4em;color:var(--muted);margin:0}.status.win{color:var(--win);font-weight:700}.controls{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.controls button{background:var(--surface);min-width:96px;min-height:44px;color:var(--text);font:inherit;cursor:pointer;border:1px solid #0002;border-radius:999px;padding:0 18px;font-weight:600}.controls button:hover{border-color:var(--accent)}.controls button:disabled{opacity:.5;cursor:default}.controls button.primary{background:var(--accent);color:#fff}.controls button:focus-visible,.level-button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.picker-help{color:var(--muted);margin:0;font-size:.9rem}.level-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;display:grid}.level-button{border:2px solid var(--accent);background:var(--surface);min-width:44px;min-height:96px;color:var(--text);font:inherit;cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px 3px;display:flex}.level-button[aria-current=true]{outline:2px solid var(--accent);outline-offset:2px}.level-button.completed{border-color:var(--win)}.level-button.locked{border:2px dashed var(--muted);color:var(--muted);opacity:.65;cursor:default}.level-number{font-size:1.3rem;font-weight:700}.level-detail{font-size:.65rem}.level-state{font-size:.8rem}.completed .level-state{color:var(--win);font-weight:600}.rules{width:100%;color:var(--muted)}.rules summary{cursor:pointer;color:var(--text);min-height:44px;padding-top:10px;font-weight:600}