@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";.main-menu{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:var(--theme-bg-gradient, linear-gradient( 135deg, hsl(280, 70%, 12%) 0%, hsl(260, 65%, 8%) 50%, hsl(240, 75%, 15%) 100% ));color:#fff;font-family:Inter,Segoe UI,system-ui,sans-serif;position:relative;overflow:hidden}.particle-canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}.decorative-paddle{position:absolute;pointer-events:none;z-index:1;opacity:.7;transition:opacity .5s ease}.decorative-paddle--left{left:2rem;top:20%;animation:floatLeft 6s ease-in-out infinite}.decorative-paddle--right{right:2rem;top:30%;animation:floatRight 7s ease-in-out infinite}@keyframes floatLeft{0%,to{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-20px) rotate(2deg)}}@keyframes floatRight{0%,to{transform:translateY(0) rotate(2deg)}50%{transform:translateY(-25px) rotate(-2deg)}}.floating-ball-container{position:absolute;left:50%;top:35%;pointer-events:none;z-index:0;opacity:.8}.energy-ball{transition:transform .1s linear}@media (max-width: 1024px){.decorative-paddle,.floating-ball-container{display:none}}.main-menu:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 50%,rgba(255,110,196,.25) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(120,115,245,.25) 0%,transparent 50%),radial-gradient(circle at 50% 20%,rgba(79,172,254,.2) 0%,transparent 50%);animation:floatingGlow 8s ease-in-out infinite;pointer-events:none}@keyframes floatingGlow{0%,to{opacity:.6;transform:scale(1) rotate(0)}50%{opacity:.9;transform:scale(1.2) rotate(5deg)}}.menu-header{margin-bottom:3rem;position:relative;z-index:1;width:100%;display:grid;place-items:center}.menu-title{font-size:6rem;font-weight:900;margin:0;padding:0;font-family:Orbitron,Rajdhani,"Exo 2","Press Start 2P",monospace;background:linear-gradient(135deg,#ff6ec4,#7873f5,#4facfe);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:.1em;text-transform:uppercase;animation:titlePulse 2s ease-in-out infinite,titleGlow 3s ease-in-out infinite;filter:drop-shadow(0 0 40px rgba(255,110,196,.6));text-shadow:0 0 40px rgba(255,110,196,.8),0 0 80px rgba(120,115,245,.6),0 0 120px rgba(79,172,254,.4)}@keyframes titlePulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes titleGlow{0%,to{filter:drop-shadow(0 0 40px rgba(255,110,196,.6)) drop-shadow(0 0 80px rgba(120,115,245,.4))}50%{filter:drop-shadow(0 0 60px rgba(255,110,196,.9)) drop-shadow(0 0 120px rgba(120,115,245,.6))}}.menu-subtitle{font-size:1.5rem;font-family:Righteous,Audiowide,Orbitron,monospace;font-weight:700;color:#fff;margin:1rem 0 0;padding:0;text-transform:uppercase;letter-spacing:.15em;background:linear-gradient(90deg,#ff6ec4,#7873f5,#4facfe,#7873f5,#ff6ec4);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmerText 3s linear infinite;text-shadow:0 0 20px rgba(255,110,196,.5);filter:drop-shadow(0 4px 12px rgba(0,0,0,.5))}@keyframes shimmerText{0%{background-position:0% 50%}to{background-position:200% 50%}}.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:1200px;width:100%;margin-bottom:2rem;position:relative;z-index:1}.mode-card{position:relative;background:#ffffff08;border:1px solid rgba(150,120,220,.2);border-radius:20px;padding:2rem;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);text-align:center;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);box-shadow:inset 0 1px 1px #ffffff1a,0 8px 32px #0003,0 0 20px #7828c826,0 0 40px #6ec8ff14 inset}.mode-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.4) 50%,transparent 100%);opacity:.6}.mode-card:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);transform:translate(-100%);transition:transform .6s ease}.mode-card:hover:not(.mode-card--disabled){background:#ffffff1f;border-color:#ff6ec480;transform:translateY(-12px) scale(1.03);box-shadow:inset 0 1px 1px #fff3,0 20px 60px #00000080,0 0 40px #ff6ec466,0 0 80px #7873f533}.mode-card:hover:not(.mode-card--disabled):after{transform:translate(100%)}.mode-card:active:not(.mode-card--disabled){transform:translateY(-4px) scale(1.01);transition:all .15s cubic-bezier(.4,0,.2,1)}.mode-card--disabled{opacity:.4;cursor:not-allowed;backdrop-filter:blur(10px) saturate(100%);-webkit-backdrop-filter:blur(10px) saturate(100%)}.mode-card__icon{font-size:3rem;margin-bottom:1rem;filter:grayscale(0) drop-shadow(0 4px 8px rgba(0,0,0,.3));transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;z-index:1}.mode-card:hover:not(.mode-card--disabled) .mode-card__icon{transform:scale(1.15) translateY(-6px) rotate(5deg);filter:grayscale(0) drop-shadow(0 10px 20px rgba(255,110,196,.6)) drop-shadow(0 0 30px rgba(120,115,245,.4))}.mode-card--disabled .mode-card__icon{filter:grayscale(1) drop-shadow(0 2px 4px rgba(0,0,0,.2))}.mode-card__title{font-size:1.5rem;font-weight:700;margin:0 0 .5rem;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.5);position:relative;z-index:1;transition:all .3s ease}.mode-card:hover:not(.mode-card--disabled) .mode-card__title{text-shadow:0 2px 12px rgba(0,0,0,.5),0 0 30px rgba(255,110,196,.8),0 0 60px rgba(120,115,245,.4);transform:scale(1.02)}.mode-card__description{font-size:.875rem;color:#ffffffb3;margin:0;line-height:1.5;position:relative;z-index:1;text-shadow:0 1px 4px rgba(0,0,0,.5)}.mode-card__badge{position:absolute;top:1rem;right:1rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.15);padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;color:#ffffffe6;text-transform:uppercase;letter-spacing:.05em;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 1px #ffffff1a,0 2px 8px #0003;z-index:2}.settings-button{position:relative;background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:.75rem 1.5rem;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);margin-top:1rem;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);box-shadow:inset 0 1px 1px #ffffff1a,0 4px 16px #0003;overflow:hidden;z-index:1}.settings-button:before{content:"";position:absolute;top:0;left:20%;right:20%;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.4) 50%,transparent 100%)}.settings-button:hover{background:#ffffff14;border-color:#ffffff40;transform:translateY(-4px);box-shadow:inset 0 1px 1px #ffffff26,0 8px 24px #0000004d,0 0 16px #6d28d933}.settings-button:active{transform:translateY(-2px);transition:all .15s cubic-bezier(.4,0,.2,1)}.menu-footer{margin-top:2rem;text-align:center;color:#ffffff80;font-size:.875rem;position:relative;z-index:1;text-shadow:0 1px 4px rgba(0,0,0,.5)}.menu-link{color:#ffffffb3;text-decoration:none;transition:all .3s ease;position:relative}.menu-link:hover{color:#fff;text-decoration:none;text-shadow:0 0 12px rgba(237,100,166,.4)}.menu-link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1px;background:linear-gradient(90deg,#ed64a6,#6d28d9);transition:width .3s ease}.menu-link:hover:after{width:100%}@media (max-width: 768px){.menu-title{font-size:3rem}.mode-grid{grid-template-columns:1fr;gap:1rem}.mode-card{min-height:160px;padding:1.5rem}.mode-card__icon{font-size:2.5rem}.mode-card__title{font-size:1.25rem}}@media (max-width: 480px){.main-menu{padding:1rem}.menu-title{font-size:2.5rem}.menu-header{margin-bottom:2rem}}.settings-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .3s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;backdrop-filter:blur(0)}to{opacity:1;backdrop-filter:blur(8px)}}.settings-panel{position:relative;background:#141428b3;border:1px solid rgba(255,255,255,.15);border-radius:24px;max-width:500px;width:100%;max-height:80vh;overflow:hidden;animation:slideUpScale .4s cubic-bezier(.34,1.56,.64,1);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);box-shadow:inset 0 1px 1px #ffffff26,0 20px 60px #00000080,0 0 40px #6d28d91a}.settings-panel:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.5) 50%,transparent 100%);border-radius:24px 24px 0 0}@keyframes slideUpScale{0%{opacity:0;transform:translateY(40px) scale(.9)}to{opacity:1;transform:translateY(0) scale(1)}}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1);position:relative;z-index:1}.settings-title{margin:0;font-size:1.5rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#fff,#fffc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 12px rgba(0,0,0,.3)}.settings-close{position:relative;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#ffffffb3;font-size:1.5rem;cursor:pointer;padding:.5rem;width:2.5rem;height:2.5rem;display:flex;align-items:center;justify-content:center;border-radius:12px;transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.settings-close:before{content:"";position:absolute;top:0;left:20%;right:20%;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);border-radius:12px 12px 0 0}.settings-close:hover{background:#ffffff1a;border-color:#ffffff40;color:#fff;transform:scale(1.05);box-shadow:inset 0 1px 1px #ffffff26,0 4px 12px #0000004d}.settings-close:active{transform:scale(.95)}.settings-content{padding:1.5rem;position:relative;overflow-y:auto;max-height:calc(80vh - 5rem)}.settings-section{margin-bottom:2rem}.settings-section:last-child{margin-bottom:0}.settings-section-title{font-size:1rem;font-weight:600;color:#ffffffe6;margin:0 0 1rem;text-transform:uppercase;letter-spacing:.05em}.settings-toggle{display:flex;align-items:center;justify-content:space-between;cursor:pointer;padding:.5rem;border-radius:12px;transition:background .3s ease}.settings-toggle:hover{background:#ffffff05}.settings-label{font-size:1rem;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.3)}.toggle-button{position:relative;width:52px;height:28px;background:#ffffff0d;border:1px solid rgba(255,255,255,.15);border-radius:14px;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);padding:0;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 1px 2px #0003,0 2px 8px #0003}.toggle-button--on{background:#10b9814d;border-color:#10b981;box-shadow:inset 0 1px 2px #0003,0 2px 8px #10b98166,0 0 16px #10b98133}.toggle-slider{position:absolute;top:2px;left:2px;width:22px;height:22px;background:linear-gradient(135deg,#fff,#ffffffe6);border-radius:50%;transition:all .4s cubic-bezier(.34,1.56,.64,1);box-shadow:0 2px 8px #0000004d,inset 0 1px #ffffff80}.toggle-button--on .toggle-slider{transform:translate(24px);box-shadow:0 2px 12px #10b98180,inset 0 1px #ffffff80}.theme-selector{display:flex;flex-direction:column;gap:.75rem}.theme-option{position:relative;display:flex;align-items:center;gap:1rem;padding:.75rem;background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%;overflow:hidden;backdrop-filter:blur(10px) saturate(150%);-webkit-backdrop-filter:blur(10px) saturate(150%);box-shadow:inset 0 1px #ffffff0d,0 2px 8px #00000026}.theme-option:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.2) 50%,transparent 100%)}.theme-option:hover{background:#ffffff14;border-color:#fff3;transform:translate(4px);box-shadow:inset 0 1px #ffffff1a,0 4px 16px #00000040}.theme-option--active{background:#ffffff1f;border-color:#10b98180;box-shadow:inset 0 1px #ffffff26,0 4px 16px #10b98133,0 0 20px #10b9811a}.theme-preview{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);box-shadow:inset 0 1px #ffffff1a,0 2px 8px #0003;position:relative;overflow:hidden}.theme-preview:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.2) 50%,transparent 100%);transition:left .5s ease}.theme-option:hover .theme-preview:after{left:100%}.theme-name{flex:1;font-size:1rem;color:#fff;text-align:left;text-shadow:0 1px 4px rgba(0,0,0,.3)}.theme-checkmark{color:#10b981;font-size:1.25rem;font-weight:700;filter:drop-shadow(0 0 8px rgba(16,185,129,.5))}.settings-info{font-size:.875rem;line-height:1.6;color:#ffffffb3;margin:0}.settings-info strong{color:#fff}@media (max-width: 480px){.settings-panel{border-radius:12px}.settings-header{padding:1rem}.settings-title{font-size:1.25rem}.settings-content{padding:1rem}.theme-option{padding:.5rem}.theme-preview{width:32px;height:32px}}body{margin:0;padding:0;background:linear-gradient(135deg,#0f0f23,#1a1a2e 30%,#16213e 70%,#0f3460);color:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex;justify-content:center;align-items:center;min-height:100vh;overflow:hidden;font-weight:400;letter-spacing:-.025em}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 20% 20%,rgba(99,102,241,.15) 0%,transparent 60%),radial-gradient(ellipse at 80% 80%,rgba(168,85,247,.12) 0%,transparent 60%),radial-gradient(ellipse at 40% 60%,rgba(59,130,246,.08) 0%,transparent 70%);pointer-events:none;animation:backgroundFlow 25s ease-in-out infinite}@keyframes backgroundFlow{0%,to{transform:translate(0) scale(1);opacity:1}33%{transform:translate(-20px,15px) scale(1.05);opacity:.8}66%{transform:translate(15px,-10px) scale(.95);opacity:.9}}.App{text-align:center;background:#ffffff08;backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.08);border-radius:32px;padding:48px;box-shadow:0 24px 64px #0006,0 8px 32px #0003,inset 0 1px #ffffff0d;position:relative;overflow:hidden}.App:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(99,102,241,.05) 0%,transparent 50%);border-radius:32px;pointer-events:none}h1{margin-bottom:40px;color:#fff;font-size:3.5rem;font-weight:700;letter-spacing:-.04em;background:linear-gradient(135deg,#fff,#e2e8f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;z-index:1}h1:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120%;height:120%;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 70%);border-radius:50%;z-index:-1;animation:titlePulse 4s ease-in-out infinite}@keyframes titlePulse{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.3}50%{transform:translate(-50%,-50%) scale(1.1);opacity:.6}}.pong-game-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:20px;gap:30px}.pong-game-container-mobile{flex-direction:row}.pong-canvas{border:2px solid rgba(255,255,255,.15);border-radius:16px;margin-bottom:32px;box-shadow:0 16px 40px #0000004d,0 4px 16px #0003,inset 0 1px #ffffff1a;background:#0003;backdrop-filter:blur(8px)}.controls-container{margin-bottom:20px}.ai-controls{margin-bottom:20px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.button{padding:12px 24px;font-size:14px;font-family:Inter,sans-serif;font-weight:600;color:#fff;border:none;border-radius:12px;cursor:pointer;margin-right:12px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;backdrop-filter:blur(12px);text-transform:uppercase;letter-spacing:.5px;box-shadow:0 4px 16px #0003}.button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.button:hover:before{left:100%}.button:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 8px 32px #0000004d}.button:active{transform:translateY(-1px) scale(.98);transition:all .1s ease}.button-ai-on{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 6px 24px #10b98166}.button-ai-off{background:linear-gradient(135deg,#6b7280,#4b5563);box-shadow:0 6px 24px #6b72804d}.difficulty-label{color:#e2e8f0;margin-right:16px;font-size:15px;font-family:Inter,sans-serif;font-weight:500}.difficulty-button{padding:8px 16px;font-size:12px;font-family:Inter,sans-serif;font-weight:600;color:#fff;border:none;border-radius:8px;cursor:pointer;margin:0 3px;transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(12px);text-transform:uppercase;letter-spacing:.3px;min-width:70px}.difficulty-button:hover{transform:translateY(-2px) scale(1.05)}.difficulty-button-active{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 4px 16px #f59e0b66}.difficulty-button-inactive{background:linear-gradient(135deg,#374151,#1f2937);box-shadow:0 2px 12px #0000004d}.controls-text{color:#cbd5e1;font-size:16px;font-family:Inter,sans-serif;font-weight:400;margin:24px 0;opacity:.9}.controls-text-mobile{font-size:15px}.button-container{display:flex;flex-direction:row;align-items:center;gap:30px;margin-top:20px;justify-content:center}.button-container-mobile{flex-direction:column;gap:15px}.start-pause-button{padding:16px 48px;font-size:18px;border:none;border-radius:16px;font-weight:700;letter-spacing:1px;min-width:160px}.start-pause-button-mobile{padding:18px 45px;font-size:22px}.start-button{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 8px 32px #10b98166}.pause-button{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 8px 32px #ef444466}.sound-button{padding:12px 24px;font-size:14px;min-width:120px}.sound-button-mobile{padding:15px 30px;font-size:18px}.sound-on-button{background:linear-gradient(135deg,#8b5cf6,#7c3aed);box-shadow:0 6px 24px #8b5cf666}.sound-off-button{background:linear-gradient(135deg,#6b7280,#4b5563);box-shadow:0 6px 24px #6b72804d}.leaderboard-button{padding:12px 24px;font-size:14px;background:linear-gradient(135deg,#06b6d4,#0891b2);box-shadow:0 6px 24px #06b6d466;display:flex;align-items:center;gap:8px;min-width:140px;justify-content:center}.leaderboard-button-mobile{padding:15px 30px;font-size:18px}.leaderboard-icon{width:20px;height:20px;background:linear-gradient(135deg,#f59e0b,#d97706);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:700;box-shadow:0 0 8px #f59e0b66}.leaderboard-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:2000}.leaderboard-content{background:#000000e6;backdrop-filter:blur(15px);border:2px solid rgba(129,236,236,.4);border-radius:20px;padding:30px;width:500px;max-height:80vh;overflow:auto;font-family:Courier New,monospace;color:#81ecec}.leaderboard-content-mobile{width:90%}.leaderboard-game-end{text-align:center;margin-bottom:25px}.leaderboard-title{color:#81ecec;font-size:24px;text-shadow:0 0 15px rgba(129,236,236,.6);margin:0 0 10px;display:flex;align-items:center;justify-content:center;gap:10px}.leaderboard-title-icon{width:32px;height:32px;background:linear-gradient(135deg,#81ecec,#57b5b5);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#000;box-shadow:0 0 15px #81ecec66}.leaderboard-title-star{width:32px;height:32px;background:linear-gradient(135deg,#f59e0b,#d97706);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;box-shadow:0 0 15px #f59e0b66}.leaderboard-final-score{color:#fff;margin:0 0 20px}.leaderboard-input{background:#ffffff1a;border:1px solid rgba(129,236,236,.3);border-radius:8px;padding:12px;color:#fff;font-family:Courier New,monospace;font-size:16px;width:100%;margin-bottom:15px}.leaderboard-button-container{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.leaderboard-save-button{background:linear-gradient(45deg,#10b981,#059669);color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:10px;padding:12px 24px;font-size:14px;font-family:Courier New,monospace;cursor:pointer;display:flex;align-items:center;gap:8px}.leaderboard-save-icon{width:16px;height:16px;background:linear-gradient(135deg,#fff,#e5e7eb);border-radius:2px;display:flex;align-items:center;justify-content:center;font-size:10px;color:#10b981;font-weight:700}.leaderboard-skip-button{background:linear-gradient(45deg,#6b7280,#4b5563);color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:10px;padding:12px 24px;font-size:14px;font-family:Courier New,monospace;cursor:pointer;display:flex;align-items:center;gap:8px}.leaderboard-skip-icon{width:16px;height:16px;background:linear-gradient(135deg,#ef4444,#dc2626);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:700}.leaderboard-view{text-align:center;margin-bottom:25px}.leaderboard-view-title{color:#8b5cf6;font-size:24px;text-shadow:0 0 15px rgba(139,92,246,.6);margin:0 0 15px;display:flex;align-items:center;justify-content:center;gap:10px}.leaderboard-close-button{background:linear-gradient(45deg,#8b5cf6,#7c3aed);color:#fff;border:2px solid rgba(255,255,255,.3);border-radius:10px;padding:12px 24px;font-size:14px;font-family:Courier New,monospace;cursor:pointer}.top-scores-title{color:#81ecec;font-size:18px;text-align:center;margin-bottom:15px;text-shadow:0 0 10px rgba(129,236,236,.4);display:flex;align-items:center;justify-content:center;gap:10px}.top-scores-icon{width:24px;height:24px;background:linear-gradient(135deg,#f59e0b,#d97706);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:700;transform:rotate(-15deg);box-shadow:0 0 10px #f59e0b4d}.top-scores-icon-2{width:24px;height:24px;background:linear-gradient(135deg,silver,#a0a0a0);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:700;transform:rotate(15deg);box-shadow:0 0 10px #c0c0c04d}.no-scores{text-align:center;color:#6b7280;font-style:italic}.score-entry{display:flex;align-items:center;justify-content:space-between;padding:10px;margin-bottom:5px;border-radius:8px}.score-entry-top{background:#81ecec1a;border:1px solid rgba(129,236,236,.2)}.score-entry-normal{background:#ffffff0d;border:1px solid rgba(255,255,255,.1)}.score-rank{display:flex;align-items:center;gap:12px}.rank-badge{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.rank-badge-top{box-shadow:0 0 8px #81ecec4d}.rank-badge-normal{border-radius:4px}.score-name{font-weight:700}.score-name-top{color:#81ecec}.score-name-normal{color:#fff}.score-value{text-align:right}.score-points{font-size:14px;font-weight:700}.score-points-top{color:#81ecec}.score-points-normal{color:#fff}.score-difficulty{color:#9ca3af;font-size:10px}.progress-container{margin:32px 0 16px;padding:24px;background:#ffffff05;border:1px solid rgba(255,255,255,.08);border-radius:20px;backdrop-filter:blur(8px)}.progress-bar-wrapper{margin-bottom:16px}.progress-bar-bg{width:100%;height:12px;background:#ffffff1a;border-radius:12px;overflow:hidden;position:relative}.progress-bar-fill{height:100%;background:linear-gradient(135deg,#3b82f6,#8b5cf6,#06b6d4);border-radius:12px;transition:width .5s cubic-bezier(.4,0,.2,1);box-shadow:0 0 16px #3b82f666}.progress-text{text-align:center;color:#e2e8f0;font-size:14px;font-weight:500;margin-top:8px;opacity:.9}.achievements-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.achievement-badge{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:6px 12px;border-radius:16px;font-size:12px;font-weight:500;box-shadow:0 4px 12px #10b9814d;animation:achievementPop .5s cubic-bezier(.68,-.55,.265,1.55)}@keyframes achievementPop{0%{transform:scale(0) rotate(-180deg);opacity:0}50%{transform:scale(1.2) rotate(-90deg);opacity:.8}to{transform:scale(1) rotate(0);opacity:1}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.pong-canvas:focus{outline:3px solid #3b82f6;outline-offset:4px}.button:focus{outline:2px solid #3b82f6;outline-offset:2px}@media (prefers-contrast: high){.App{background:#000000e6;border-color:#fff}.button{border-color:#fff}.progress-bar-fill{background:#fff}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.achievement-badge{animation:none}}@media (max-width: 600px){.progress-container{margin:20px 0 12px;padding:16px}.progress-text{font-size:13px}.achievement-badge{font-size:11px;padding:5px 10px}}.coming-soon{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;padding:3rem;text-align:center}.coming-soon h1{font-size:3rem;margin-bottom:1rem}.coming-soon p{font-size:1.25rem;color:#ffffffb3;margin-bottom:2rem}.coming-soon button{padding:1rem 2rem;font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#6d28d9,#8b5cf6);border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 6px 24px #6d28d966}.coming-soon button:hover{transform:translateY(-2px);box-shadow:0 8px 32px #6d28d999}