@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Inter:wght@400;500;600;700&display=swap";:root{--bg-primary: #0a0a1a;--bg-secondary: #12122a;--bg-cell: rgba(255, 255, 255, .03);--bg-cell-hover: rgba(255, 255, 255, .08);--bg-cell-revealed: rgba(255, 255, 255, .06);--bg-glass: rgba(255, 255, 255, .05);--border-glass: rgba(255, 255, 255, .1);--border-cell: rgba(255, 255, 255, .06);--accent-cyan: #00e5ff;--accent-pink: #ff2d78;--accent-purple: #a855f7;--accent-amber: #ffb300;--accent-green: #00e676;--num-1: #42a5f5;--num-2: #66bb6a;--num-3: #ef5350;--num-4: #ab47bc;--num-5: #ff7043;--num-6: #26c6da;--num-7: #ec407a;--num-8: #78909c;--text-primary: rgba(255, 255, 255, .95);--text-secondary: rgba(255, 255, 255, .6);--text-muted: rgba(255, 255, 255, .35);--cell-size: 38px;--cell-gap: 2px;--cell-radius: 6px;--header-height: 70px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:Inter,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}#app{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}#app:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(0,229,255,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(168,85,247,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(255,45,120,.04) 0%,transparent 50%);animation:bgShift 20s ease-in-out infinite alternate;pointer-events:none;z-index:0}@keyframes bgShift{0%{transform:translate(0) rotate(0)}to{transform:translate(-5%,3%) rotate(3deg)}}.menu-screen{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:32px;padding:40px;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.menu-title{font-family:JetBrains Mono,monospace;font-size:42px;font-weight:700;letter-spacing:-1px;background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none;position:relative}.menu-title:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));border-radius:2px}.menu-subtitle{font-size:14px;color:var(--text-secondary);margin-top:-16px;font-weight:400}.menu-icon{font-size:64px;line-height:1;filter:drop-shadow(0 0 20px rgba(0,229,255,.3))}.difficulty-grid{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.difficulty-btn{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 28px;min-width:140px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:16px;color:var(--text-primary);cursor:pointer;transition:all .25s ease;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-family:inherit;overflow:hidden}.difficulty-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:16px;padding:1px;background:linear-gradient(135deg,transparent 30%,var(--accent-cyan) 100%);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;-webkit-mask-composite:xor;opacity:0;transition:opacity .25s ease}.difficulty-btn:hover:before{opacity:1}.difficulty-btn:hover{transform:translateY(-3px);background:#ffffff14;box-shadow:0 8px 32px #00e5ff1a}.difficulty-btn:active{transform:translateY(0)}.difficulty-btn .btn-label{font-size:16px;font-weight:600}.difficulty-btn .btn-meta{font-size:11px;color:var(--text-muted);font-family:JetBrains Mono,monospace}.difficulty-btn.easy{--btn-accent: var(--accent-green)}.difficulty-btn.medium{--btn-accent: var(--accent-amber)}.difficulty-btn.hard{--btn-accent: var(--accent-pink)}.difficulty-btn .btn-dot{width:8px;height:8px;border-radius:50%;background:var(--btn-accent);box-shadow:0 0 10px var(--btn-accent);margin-bottom:4px}.game-screen{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:16px;padding:16px;animation:fadeIn .4s ease;max-height:100vh;max-width:100vw}.game-header{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:600px;padding:12px 20px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.header-stat{display:flex;align-items:center;gap:8px;font-family:JetBrains Mono,monospace}.header-stat .stat-icon{font-size:18px;opacity:.8}.header-stat .stat-value{font-size:20px;font-weight:700;min-width:40px;text-align:center}.header-stat.mines .stat-value{color:var(--accent-pink)}.header-stat.timer .stat-value{color:var(--accent-cyan)}.face-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:24px;background:#ffffff0f;border:1px solid var(--border-glass);border-radius:12px;cursor:pointer;transition:all .2s ease;color:#fff;font-family:inherit}.face-btn:hover{background:#ffffff1f;transform:scale(1.1)}.face-btn:active{transform:scale(.95)}.grid-container{position:relative;padding:8px;background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);overflow:hidden}.grid{display:grid;gap:var(--cell-gap)}.cell{width:var(--cell-size);height:var(--cell-size);display:flex;align-items:center;justify-content:center;border-radius:var(--cell-radius);font-family:JetBrains Mono,monospace;font-weight:700;font-size:15px;cursor:pointer;position:relative;transition:all .15s ease;border:1px solid transparent}.cell.hidden{background:var(--bg-cell);border-color:var(--border-cell)}.cell.hidden:hover{background:var(--bg-cell-hover);border-color:#ffffff26;transform:scale(1.05);z-index:1}.cell.hidden:active{transform:scale(.95)}.cell.revealed{background:var(--bg-cell-revealed);cursor:default;animation:revealPop .2s ease}@keyframes revealPop{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}.cell.revealed.empty{background:#ffffff05}.cell.num-1{color:var(--num-1)}.cell.num-2{color:var(--num-2)}.cell.num-3{color:var(--num-3)}.cell.num-4{color:var(--num-4)}.cell.num-5{color:var(--num-5)}.cell.num-6{color:var(--num-6)}.cell.num-7{color:var(--num-7)}.cell.num-8{color:var(--num-8)}.cell.flagged{background:#ff2d7814;border-color:#ff2d7833}.cell.flagged:after{content:"";width:14px;height:14px;background:var(--accent-pink);mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M5 21V4h9l.4 2H20v10h-7l-.4-2H7v7z'/%3E%3C/svg%3E");-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M5 21V4h9l.4 2H20v10h-7l-.4-2H7v7z'/%3E%3C/svg%3E");mask-size:contain;-webkit-mask-size:contain;filter:drop-shadow(0 0 6px var(--accent-pink))}.cell.mine{background:#ff2d781f;border-color:#ff2d784d;animation:mineReveal .3s ease}.cell.mine.exploded{background:#ff2d7840;box-shadow:0 0 20px #ff2d7866}@keyframes mineReveal{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.mine-dot{width:14px;height:14px;background:radial-gradient(circle,var(--accent-pink),#cc1155);border-radius:50%;box-shadow:0 0 8px var(--accent-pink);position:relative}.mine-dot:before,.mine-dot:after{content:"";position:absolute;background:var(--accent-pink);border-radius:1px}.mine-dot:before{width:2px;height:20px;left:6px;top:-3px}.mine-dot:after{width:20px;height:2px;top:6px;left:-3px}.cell.wrong-flag{background:#ffb3001a;border-color:#ffb3004d}.game-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:100;animation:fadeIn .3s ease}.overlay-card{display:flex;flex-direction:column;align-items:center;gap:20px;padding:40px 48px;background:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:24px;text-align:center;animation:cardSlideUp .4s ease}@keyframes cardSlideUp{0%{opacity:0;transform:translateY(40px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.overlay-icon{font-size:56px;line-height:1}.overlay-title{font-family:JetBrains Mono,monospace;font-size:28px;font-weight:700}.overlay-title.win{background:linear-gradient(135deg,var(--accent-green),var(--accent-cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.overlay-title.lose{background:linear-gradient(135deg,var(--accent-pink),var(--accent-amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.overlay-stats{display:flex;gap:24px;font-family:JetBrains Mono,monospace;font-size:14px;color:var(--text-secondary)}.overlay-stat-val{font-size:18px;font-weight:700;color:var(--text-primary);display:block;margin-bottom:2px}.overlay-actions{display:flex;gap:12px;margin-top:8px}.btn{padding:12px 28px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;font-family:inherit}.btn-primary{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-purple));color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 20px #00e5ff4d}.btn-secondary{background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-primary)}.btn-secondary:hover{background:#ffffff1a;transform:translateY(-2px)}.game-footer{display:flex;gap:12px;align-items:center}.footer-btn{padding:8px 16px;border-radius:10px;font-size:12px;font-weight:500;cursor:pointer;background:var(--bg-glass);border:1px solid var(--border-glass);color:var(--text-secondary);font-family:inherit;transition:all .2s ease}.footer-btn:hover{color:var(--text-primary);background:#ffffff14}@media (max-width: 600px){:root{--cell-size: 32px;--cell-gap: 1.5px;--cell-radius: 5px}.menu-title{font-size:32px}.difficulty-btn{padding:16px 20px;min-width:120px}.game-header{padding:10px 14px;gap:10px}.header-stat .stat-value{font-size:18px}.game-screen{padding:10px;gap:10px}.grid-container{padding:6px;border-radius:12px}.cell{font-size:13px}.overlay-card{padding:28px 32px}}@media (max-width: 420px){:root{--cell-size: 28px;--cell-gap: 1px;--cell-radius: 4px}.cell{font-size:11px}.difficulty-grid{flex-direction:column}.difficulty-btn{min-width:200px}}@media (max-height: 500px){:root{--cell-size: 26px;--cell-gap: 1px}.game-header{padding:6px 12px}.game-screen{padding:6px;gap:6px}.grid-container{padding:4px}.cell{font-size:11px}}@keyframes confettiFall{0%{transform:translateY(-10px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}.confetti{position:fixed;top:0;width:8px;height:8px;border-radius:2px;z-index:200;pointer-events:none;animation:confettiFall var(--duration) ease-in forwards;animation-delay:var(--delay)}