*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Comic Sans MS,cursive,sans-serif;background:url(/anhbia.jpg);background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat;min-height:100vh;overflow-x:hidden;position:relative}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,#0000001a,#0000004d 30%,#0009 70%,#000c);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);pointer-events:none;z-index:-1}@keyframes mysticalGlow{0%,to{opacity:.3}50%{opacity:.7}}@keyframes mysticalFloat{0%,to{transform:translateY(0) rotate(0)}33%{transform:translateY(-10px) rotate(1deg)}66%{transform:translateY(5px) rotate(-1deg)}}.app{min-height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);background:#ffffff1a}.container{width:100%;text-align:center;padding:40px 30px}.header{margin-bottom:40px}.title{font-size:4rem;color:#fff;margin-bottom:20px;font-weight:900;letter-spacing:4px;font-family:Segoe UI,sans-serif;text-align:center;text-shadow:2px 4px 3px rgba(0,0,0,.3)}.subtitle{font-size:1.4rem;color:#fff;font-weight:500;font-style:italic;letter-spacing:.5px;text-shadow:2px 4px 3px rgba(0,0,0,.3)}.game-area{min-height:400px;display:flex;align-items:center;justify-content:center;margin-bottom:40px;perspective:1000px}.card-deck{display:flex;gap:15px;flex-wrap:wrap;justify-content:center;align-items:center}.card-back{width:180px;height:240px;border-radius:20px;box-shadow:0 8px 32px #8b5cf640,inset 0 1px #ffffff4d;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);border:3px solid rgba(255,255,255,.4);position:relative;overflow:hidden}.card-back-image{width:100%;height:100%;object-fit:cover;border-radius:17px}.card-back:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);transform:translate(-100%);transition:transform .8s ease}.card-back:hover:before{transform:translate(100%)}.card-back:hover{transform:translateY(-15px) rotateY(8deg) scale(1.05);box-shadow:0 25px 50px #8b5cf666,inset 0 1px #ffffff80}.card-1{animation:cardFloat 3s ease-in-out infinite}.card-2{animation:cardFloat 3s ease-in-out infinite .5s}.card-3{animation:cardFloat 3s ease-in-out infinite 1s}.card-4{animation:cardFloat 3s ease-in-out infinite 1.5s}.card-5{animation:cardFloat 3s ease-in-out infinite 2s}@keyframes cardFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.drawing-animation{display:flex;flex-direction:column;align-items:center;gap:20px}.spinner{width:80px;height:80px;border:4px solid rgba(255,255,255,.3);border-top:4px solid #ffffff;border-radius:50%;animation:spin 1s linear infinite;color:#fff}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.drawing-animation p{color:#6b46c1;font-size:1.2rem;font-weight:600;text-shadow:0 1px 2px rgba(107,70,193,.2)}.selected-card-container{animation:cardReveal .8s ease-out}@keyframes cardReveal{0%{opacity:0;transform:scale(.5) rotateY(180deg)}to{opacity:1;transform:scale(1) rotateY(0)}}.selected-card{max-width:350px;margin:0 auto;position:relative;border-radius:25px;overflow:hidden;box-shadow:0 25px 60px #8b5cf64d,0 8px 25px #00000026;transition:transform .3s ease}.selected-card:hover{transform:scale(1.02)}.card-full-image{width:100%;height:auto;display:block;border-radius:25px}.card-overlay{position:absolute;top:310px;left:50%;transform:translate(-50%);text-align:center;z-index:10}.card-question{font-size:1.1rem;color:#fff;margin-bottom:20px;line-height:1.6;font-weight:500;text-shadow:0 2px 4px rgba(0,0,0,.5)}.card-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:linear-gradient(145deg,#fffffff2,#ffffffe6);color:#6b46c1;text-decoration:none;padding:10px 20px;border-radius:25px;font-weight:600;font-size:.9rem;transition:all .3s ease;box-shadow:0 6px 20px #00000040,0 3px 10px #fff6;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:2px solid rgba(255,255,255,.5);width:auto;min-width:140px;white-space:nowrap}.card-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .5s ease}.card-button:hover:before{left:100%}.card-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 12px 35px #0006,0 6px 20px #ffffff80;background:linear-gradient(145deg,#fff,#fffffff2)}.button-icon{font-size:1.2rem}.controls{display:flex;justify-content:center;gap:20px}.draw-button,.reset-button{background:#4338ca;color:#fff;border:4px solid;border-color:#6366f1 #1e1b4b #1e1b4b #6366f1;padding:12px 30px;border-radius:8px;font-size:1.1rem;font-weight:800;font-family:Segoe UI,sans-serif;cursor:pointer;transition:all .1s ease;box-shadow:inset 2px 2px #ffffff4d,inset -2px -2px #0000004d,2px 2px 8px #0006;position:relative;text-transform:uppercase;letter-spacing:1px;transform:translateY(0)}.draw-button:active,.reset-button:active{border-color:#1e1b4b #6366f1 #6366f1 #1e1b4b;box-shadow:inset -1px -1px #fff3,inset 1px 1px #0006,1px 1px 4px #0000004d;transform:translateY(1px)}.reset-button{background:#dc2626;border-color:#ef4444 #7f1d1d #7f1d1d #ef4444}.reset-button:active{border-color:#7f1d1d #ef4444 #ef4444 #7f1d1d}.draw-button:hover,.reset-button:hover{box-shadow:inset 2px 2px #fff6,inset -2px -2px #0003,3px 3px 12px #00000080;transform:translateY(-1px)}.button-text{display:flex;align-items:center;gap:8px;font-size:1.1rem}@media (max-width: 768px){.title{font-size:2.5rem}.subtitle{font-size:1.1rem}.card-deck{gap:10px}.card-back{width:80px;height:120px}.selected-card{max-width:350px;padding:20px}.card-question{font-size:1.1rem}.card-button{padding:12px 25px;font-size:1rem}.draw-button,.reset-button{padding:15px 30px;font-size:1.1rem}}@media (max-width: 480px){.card-deck{flex-direction:column;gap:8px}.card-back{width:100px;height:150px}.selected-card{max-width:300px;padding:15px}.card-image{height:150px}}:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%}