:root{--bg-light: #f0f2f5;--card-bg: #ffffff;--grid-bg: #e2e8f0;--cell-closed: #cbd5e1;--cell-revealed: #f1f5f9;--accent: #3b82f6;--danger: #ef4444;--text-main: #1e293b;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none;touch-action:manipulation}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-light);color:var(--text-main);display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;margin:0;overflow-x:hidden}#root{height:100%;width:100%;display:flex;justify-content:center;align-items:center}.game-wrapper{width:100%;max-width:500px;padding:15px}.game-card{background:var(--card-bg);border-radius:20px;padding:1.5rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:1.2rem}.header{display:flex;flex-direction:column;gap:1rem}.title-row{display:flex;justify-content:space-between;align-items:center}.game-title{font-size:1.8rem;font-weight:900;color:var(--text-main);margin:0;background:linear-gradient(135deg,#3b82f6,#2563eb);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.level-row{display:flex;justify-content:center;margin-bottom:.5rem}.home-link,.reset-btn{color:#64748b;padding:8px;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;text-decoration:none}.level-tabs{display:flex;background:#f1f5f9;padding:4px;border-radius:10px;gap:4px}.level-tabs button{padding:6px 12px;border:none;border-radius:7px;font-size:.85rem;font-weight:700;color:#64748b;background:transparent;cursor:pointer}.level-tabs button.active{background:#fff;color:var(--accent);box-shadow:0 1px 3px #0000001a}.level-tabs button:disabled{opacity:.5;cursor:not-allowed}.stats-row{display:flex;justify-content:center;gap:20px}.stat-box{background:#1e293b;color:#cbd5e1;padding:8px 16px;border-radius:12px;display:flex;align-items:center;gap:8px;font-family:Courier New,Courier,monospace;font-weight:900;font-size:1.2rem;min-width:80px;justify-content:center}.grid-outer{position:relative;background:var(--grid-bg);padding:8px;border-radius:12px;overflow:auto;max-height:60vh}.grid-inner{display:grid;gap:4px}.cell{aspect-ratio:1/1;background:var(--cell-closed);border-radius:4px;display:flex;justify-content:center;align-items:center;font-weight:900;font-size:1.1rem;cursor:pointer;transition:background .1s}.cell:hover:not(.revealed){background:#94a3b8}.cell.revealed{background:var(--cell-revealed);cursor:default}.cell.mine{background:#fee2e2;color:#ef4444}.cell.flagged{color:#ef4444}.count-1{color:#2563eb}.count-2{color:#16a34a}.count-3{color:#dc2626}.count-4{color:#1e3a8a}.count-5{color:#7c2d12}.count-6{color:#0891b2}.count-7{color:#000}.count-8{color:#4b5563}.overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;justify-content:center;align-items:center}.msg-box{text-align:center;background:#fff;padding:2rem;border-radius:20px;box-shadow:0 10px 25px #0000001a}.msg-box h2{font-size:2rem;margin:1rem 0;color:var(--text-main)}.msg-box p{color:#64748b;margin-bottom:1.5rem}.action-btn{background:var(--accent);color:#fff;border:none;padding:12px 24px;border-radius:10px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px}.ad-container{display:flex;justify-content:center;min-height:50px;border-top:1px dashed #e2e8f0;padding-top:1rem}.grid-outer::-webkit-scrollbar{width:6px;height:6px}.grid-outer::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}@media (max-width: 400px){.cell{font-size:.9rem}.stat-box{font-size:1rem;min-width:60px}}