.gem{width:60px;height:60px;border-radius:12px;cursor:pointer;position:absolute;top:0;left:0;transform:translate(var(--x, 0px),var(--y, 0px)) scale(var(--scale, 1));transition:transform .28s cubic-bezier(.4,0,.2,1),box-shadow .2s ease,border-color .2s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px #0003;border:3px solid transparent;user-select:none;-webkit-user-select:none;touch-action:none}.gem:hover{--scale: 1.1;z-index:10}.gem-selected{border-color:#fff;box-shadow:0 0 20px #fffc;--scale: 1.15;z-index:10}.gem-matched .gem-inner{animation:matchFlash .8s ease-in-out}.gem-swapping{z-index:50;--scale: 1.06}.gem-empty{background:transparent;box-shadow:none;cursor:default}.gem-inner{width:100%;height:100%;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.gem-inner img{width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-select:none;-webkit-user-drag:none;pointer-events:none}.gem-1 .gem-inner{background:linear-gradient(135deg,#ff3b30,#ff7a6e)}.gem-2 .gem-inner{background:linear-gradient(135deg,#0a84ff,#5ac8fa)}.gem-3 .gem-inner{background:linear-gradient(135deg,#34c759,#a3f7bf)}.gem-4 .gem-inner{background:linear-gradient(135deg,#ffd60a,#fff1a6)}.gem-5 .gem-inner{background:linear-gradient(135deg,#af52de,#d7a3ff)}.gem-6 .gem-inner{background:linear-gradient(135deg,#ff9500,#ffd19a)}@keyframes matchFlash{0%{transform:scale(1);opacity:1;filter:brightness(1)}25%{transform:scale(1.4);opacity:1;filter:brightness(1.8);box-shadow:0 0 30px #ffffffe6}50%{transform:scale(1.2);opacity:.9;filter:brightness(1.5)}75%{transform:scale(1.3);opacity:.8;filter:brightness(1.6)}to{transform:scale(1);opacity:1;filter:brightness(1)}}@keyframes fall{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.game-board{display:inline-block;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:15px;box-shadow:0 8px 32px #0000004d;border:2px solid rgba(255,255,255,.2);user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.game-board-inner{--gem-size: 60px;--gap: 5px;--pitch: calc(var(--gem-size) + var(--gap));width:calc(var(--pitch) * 8 - var(--gap));height:calc(var(--pitch) * 8 - var(--gap));position:relative}.board-row{display:flex;gap:5px;margin-bottom:5px}.board-row:last-child{margin-bottom:0}.game-board.animating{pointer-events:none}.game-container{width:100%;display:flex;flex-direction:column;align-items:center}.game-header{width:100%;max-width:550px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:20px;border-radius:15px;box-shadow:0 4px 16px #0003}.game-info{display:flex;gap:30px}.score-display,.moves-display{text-align:center;color:#fff}.score-display h2,.moves-display h2{font-size:.9rem;margin-bottom:5px;opacity:.8;text-transform:uppercase;letter-spacing:1px}.score-value,.moves-value{font-size:2rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.reset-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:2px solid rgba(255,255,255,.3);padding:12px 24px;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 8px #0003}.reset-button:hover{transform:translateY(-2px);box-shadow:0 6px 12px #0000004d;background:linear-gradient(135deg,#764ba2,#667eea)}.reset-button:active{transform:translateY(0)}.App{width:100%;display:flex;flex-direction:column;align-items:center}.app-header{text-align:center;margin-bottom:30px;color:#fff}.app-header h1{font-size:3rem;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.subtitle{font-size:1.2rem;opacity:.9}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:20px}#root{width:100%;max-width:800px}