*{margin:0;padding:0;box-sizing:border-box}:root{--bg-color: #1a1a2e;--text-color: #ffffff;--primary-color: #f39c12;--secondary-color: #e74c3c;--success-color: #2ecc71;--grid-bg: #16213e;--cell-bg: #0f3460;--cell-active: #533483}html,body{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-color);color:var(--text-color);touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}@media screen and (orientation: landscape){body:before{content:"Veuillez tourner votre appareil en mode portrait";position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg-color);display:flex;align-items:center;justify-content:center;z-index:9999;font-size:24px;padding:20px;text-align:center}}#app{width:100%;height:100%;position:relative}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:none;flex-direction:column;align-items:center;justify-content:center;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.screen.active{display:flex}#menu-screen{background:linear-gradient(135deg,#667eea,#764ba2);text-align:center}.title{font-size:clamp(32px,8vw,64px);font-weight:700;margin-bottom:20px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.instructions{font-size:clamp(16px,4vw,24px);margin-bottom:40px;opacity:.9}.btn-play{font-size:clamp(24px,6vw,36px);padding:20px 60px;background:var(--primary-color);color:var(--text-color);border:none;border-radius:50px;cursor:pointer;font-weight:700;min-width:200px;min-height:56px;box-shadow:0 4px 15px #0000004d;transition:transform .1s,box-shadow .1s}.btn-play:active{transform:scale(.95);box-shadow:0 2px 8px #0000004d}.version{position:absolute;bottom:20px;font-size:12px;opacity:.5}#countdown-screen{background:#000c}.countdown-number{font-size:clamp(80px,20vw,150px);font-weight:700;animation:countdownPop .5s ease-out}@keyframes countdownPop{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}#game-screen{background:var(--grid-bg);justify-content:flex-start;padding-top:env(safe-area-inset-top)}.hud{width:100%;display:flex;justify-content:space-between;align-items:flex-start;padding:15px 20px;font-size:clamp(20px,5vw,28px);font-weight:700}.hud-left{display:flex;flex-direction:column;gap:5px}.score{font-size:clamp(18px,4.5vw,24px)}.multiplier{font-size:clamp(16px,4vw,20px);color:var(--primary-color)}.timer{font-size:clamp(18px,4.5vw,24px);font-variant-numeric:tabular-nums}.timer.warning{color:var(--secondary-color);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.combo-message{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:clamp(32px,8vw,48px);font-weight:700;color:var(--success-color);opacity:0;pointer-events:none;transition:opacity .3s;z-index:100}.combo-message.show{opacity:1;animation:comboPop 1.5s ease-out}@keyframes comboPop{0%{transform:translate(-50%,-50%) scale(.5);opacity:0}20%{transform:translate(-50%,-50%) scale(1.2);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:0}}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:10px;width:100%;max-width:500px;aspect-ratio:1;padding:20px;margin:auto}.cell{background:var(--cell-bg);border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:clamp(40px,10vw,80px);cursor:pointer;transition:background-color .1s,transform .1s;position:relative;overflow:hidden;min-height:56px;touch-action:manipulation}.cell:active{transform:scale(.95)}.cell.has-target{background:var(--cell-active)}.cell.hit{animation:hitFlash .15s ease-out}@keyframes hitFlash{0%{transform:scale(1);background:var(--success-color)}50%{transform:scale(1.2)}to{transform:scale(1);background:var(--cell-active)}}.cell.miss{animation:missFlash .1s ease-out}@keyframes missFlash{0%{background:var(--cell-bg)}50%{background:#e74c3c4d}to{background:var(--cell-bg)}}.target{animation:targetPop .2s ease-out}@keyframes targetPop{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.particle{position:absolute;width:8px;height:8px;background:var(--primary-color);border-radius:50%;pointer-events:none;animation:particleFloat .6s ease-out forwards}@keyframes particleFloat{0%{transform:translate(0) scale(1);opacity:1}to{transform:translate(var(--tx),var(--ty)) scale(0);opacity:0}}#gameover-screen{background:linear-gradient(135deg,#667eea,#764ba2);text-align:center;padding:20px}#gameover-screen h2{font-size:clamp(32px,8vw,48px);margin-bottom:20px}.final-score{font-size:clamp(24px,6vw,36px);margin-bottom:30px}.json-display{background:#0000004d;padding:20px;border-radius:10px;text-align:left;font-size:12px;max-width:90%;overflow-x:auto;font-family:Courier New,monospace;white-space:pre-wrap;word-break:break-all}button:focus-visible,.cell:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}