:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#f8fafc;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background-color:#f8fafc;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none}*{box-sizing:border-box}#root{max-width:1280px;margin:0 auto;text-align:center;width:100%;height:100vh;display:flex;flex-direction:column}.game-container{display:flex;flex-direction:column;align-items:center;width:100%;max-width:500px;height:100vh;margin:0 auto;padding:20px;background-color:#f8fafc;color:#0f172a;font-family:Inter,sans-serif;overflow:hidden}.header{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:20px}.title-group{text-align:center}.title-group h1{font-size:1.8rem;font-weight:800;margin:0;color:#0f172a;letter-spacing:-.5px}.subtitle{font-size:.9rem;color:#64748b;font-weight:600}.icon-btn{background:#fff;border:1px solid #e2e8f0;border-radius:12px;width:44px;height:44px;display:flex;justify-content:center;align-items:center;color:#0f172a;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #0000000d}.icon-btn:active{transform:scale(.95);background:#f1f5f9}.toolbar{display:flex;gap:10px;margin-bottom:20px;background:#fff;padding:8px;border-radius:16px;box-shadow:0 4px 6px #0000000d}.tool-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;border:none;background:transparent;color:#64748b;font-weight:700;cursor:pointer;transition:all .2s}.tool-btn.active{background:#f1f5f9;color:#0f172a}.tool-icon{width:16px;height:16px;display:flex;justify-content:center;align-items:center;font-size:12px;line-height:1}.tool-icon.filled{background:#0f172a;border-radius:2px}.tool-icon.crossed{color:#ef4444;font-weight:700}.board-wrapper{background:#fff;padding:15px;border-radius:16px;box-shadow:0 10px 25px #0000000d;margin-bottom:20px}.nonogram-grid{display:grid;gap:2px;background:#cbd5e1;border:2px solid #0f172a;touch-action:none}.hint-cell{background:#e2e8f0;display:flex;justify-content:flex-end;align-items:flex-end;font-size:.85rem;font-weight:700;color:#0f172a;padding:4px}.col-hint{flex-direction:column;align-items:center;gap:2px}.row-hint{flex-direction:row;align-items:center;justify-content:flex-end;gap:4px}.corner-cell{background:#f8fafc}.cell{background:#fff;display:flex;justify-content:center;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color .1s}.cell.size-5{width:45px;height:45px}.cell.size-10{width:25px;height:25px;font-size:.75rem}.cell.state-1{background-color:#0f172a}.cell.state-2{color:#ef4444;font-weight:700}.instructions{font-size:.85rem;color:#64748b;text-align:center;padding:0 20px}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172acc;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:2000}.modal-content{background:#fff;padding:40px;border-radius:24px;text-align:center;box-shadow:0 25px 50px -12px #00000080;animation:modalPop .3s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes modalPop{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.modal-content h2{font-size:2rem;margin-bottom:10px;color:#0f172a}.modal-content p{color:#64748b;margin-bottom:20px}.solved-preview{display:grid;gap:1px;background:#e2e8f0;width:120px;height:120px;margin:0 auto 30px;border:1px solid #cbd5e1}.preview-cell{background:#fff}.preview-cell.filled{background:#0f172a}.play-btn{background:#0f172a;color:#fff;border:none;padding:15px 40px;font-size:1.2rem;font-weight:700;border-radius:12px;display:flex;align-items:center;gap:10px;cursor:pointer;margin:0 auto 20px;transition:all .2s}.play-btn:active{transform:translateY(2px)}.ad-container-gameOver{margin-top:20px;min-height:50px}