[data-astro-cid-6diiygbk]{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;color:#333;max-width:800px;margin:0 auto;padding:1rem}h1[data-astro-cid-6diiygbk]{font-size:2rem;margin-bottom:.5rem}h2[data-astro-cid-6diiygbk]{font-size:1.4rem;margin:1.5rem 0 .5rem;color:#e67e22}nav[data-astro-cid-6diiygbk].breadcrumb{margin-bottom:1rem;font-size:.9rem;color:#666}nav[data-astro-cid-6diiygbk].breadcrumb a[data-astro-cid-6diiygbk]{color:#e67e22;text-decoration:none}ol[data-astro-cid-6diiygbk]{padding-left:1.5rem}li[data-astro-cid-6diiygbk]{margin-bottom:.5rem}#solver-section[data-astro-cid-6diiygbk]{background:#fef9e7;border-radius:12px;padding:1.5rem;margin:1.5rem 0}#grid-builder[data-astro-cid-6diiygbk]{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-start;margin:1rem 0}#grid-builder[data-astro-cid-6diiygbk] label[data-astro-cid-6diiygbk]{display:flex;align-items:center;gap:.5rem}#grid-builder[data-astro-cid-6diiygbk] select[data-astro-cid-6diiygbk],#grid-builder[data-astro-cid-6diiygbk] button[data-astro-cid-6diiygbk]{padding:.5rem 1rem;border-radius:6px;border:1px solid #ddd;font-size:1rem}#grid-builder[data-astro-cid-6diiygbk] button[data-astro-cid-6diiygbk]{background:#e67e22;color:#fff;border:none;cursor:pointer}#grid-builder[data-astro-cid-6diiygbk] button[data-astro-cid-6diiygbk]:hover{background:#d35400}#editor-board[data-astro-cid-6diiygbk]{display:inline-grid;gap:2px;background:#5c3a1e;padding:2px;border-radius:4px;margin:1rem 0}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk]{width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;font-size:1.1rem;user-select:none;transition:background .15s}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].white{background:#f5e6cc}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].white:hover{background:#ecd9b9}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].black{background:#5c3a1e;color:#fff}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].black-number{background:#5c3a1e;color:#f5d6a8;font-size:1.2rem}#solve-btn[data-astro-cid-6diiygbk]{background:#27ae60;color:#fff;border:none;padding:.75rem 2rem;border-radius:8px;font-size:1.1rem;cursor:pointer;margin-top:1rem}#solve-btn[data-astro-cid-6diiygbk]:hover{background:#219a52}#solve-btn[data-astro-cid-6diiygbk]:disabled{background:#bdc3c7;cursor:not-allowed}#solution-output[data-astro-cid-6diiygbk]{margin-top:1rem;padding:1rem;border-radius:8px;min-height:2rem}#solution-output[data-astro-cid-6diiygbk].success{background:#d5f5e3;border:1px solid #27ae60}#solution-output[data-astro-cid-6diiygbk].error{background:#fadbd8;border:1px solid #e74c3c}#solution-output[data-astro-cid-6diiygbk].info{background:#d6eaf8;border:1px solid #3498db}.solution-board[data-astro-cid-6diiygbk]{display:inline-grid;gap:2px;background:#333;padding:2px;border-radius:4px;margin-top:.5rem}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk]{width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:1rem}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].white{background:#ffeaa7}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].illuminated{background:#fff9c4}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].bulb{background:#ffd4a8}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].bulb:after{content:"🐱";font-size:1rem;line-height:1}.solution-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].black{background:#2d3436;color:#fff}.mode-toggle[data-astro-cid-6diiygbk]{display:flex;gap:.5rem;margin:1rem 0}.mode-toggle[data-astro-cid-6diiygbk] button[data-astro-cid-6diiygbk]{padding:.4rem .8rem;border:2px solid #e67e22;background:#fff;color:#e67e22;border-radius:6px;cursor:pointer;font-size:.9rem}.mode-toggle[data-astro-cid-6diiygbk] button[data-astro-cid-6diiygbk].active{background:#e67e22;color:#fff}.instructions[data-astro-cid-6diiygbk]{font-size:.9rem;color:#666;margin:.5rem 0}@media(prefers-color-scheme:dark){body{background:#1a1a2e;color:#eee}#solver-section[data-astro-cid-6diiygbk]{background:#16213e}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].white{background:#4a3f2a}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].white:hover{background:#5a4f3a}#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].black,#editor-board[data-astro-cid-6diiygbk] .cell[data-astro-cid-6diiygbk].black-number{background:#0f0f23}}