@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.container{max-width:900px;margin:0 auto;padding:60px 40px;animation:fadeIn .8s ease-out}h1{color:#1565c0;margin-bottom:20px;font-size:3.5rem;font-weight:800;text-align:center;text-shadow:0 2px 4px rgba(21,101,192,.1);letter-spacing:-1px;animation:fadeIn 1s ease-out}p{color:#1976d2;margin-bottom:40px;line-height:1.8;font-size:1.2rem;text-align:center;max-width:700px;margin-left:auto;margin-right:auto;animation:fadeIn 1.2s ease-out}button{background-color:#2196f3;color:#fff;border:none;padding:16px 48px;font-size:18px;font-weight:600;border-radius:50px;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 8px 24px #2196f34d;display:block;margin:0 auto;text-transform:uppercase;letter-spacing:1px;position:relative;overflow:hidden;animation:fadeIn 1.4s ease-out}button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}button:hover:before{left:100%}button:hover:not(:disabled){background-color:#1976d2;transform:translateY(-3px) scale(1.05);box-shadow:0 12px 32px #2196f380}button:active:not(:disabled){transform:translateY(-1px) scale(1.02)}button:disabled{background-color:#cbd5e0;cursor:not-allowed;box-shadow:none;animation:pulse 1.5s ease-in-out infinite}.json-container{margin-top:40px;background-color:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:30px;border-radius:20px;box-shadow:0 20px 60px #0000004d;border:1px solid rgba(255,255,255,.3);animation:fadeIn .6s ease-out;transition:transform .3s ease,box-shadow .3s ease}.json-container:hover{transform:translateY(-5px);box-shadow:0 25px 70px #0006}.json-container h3{color:#1565c0;margin-bottom:20px;font-size:1.5rem;font-weight:700}pre{background:linear-gradient(135deg,#f6f8fb,#e9ecef);padding:20px;border-radius:12px;overflow-x:auto;font-family:Monaco,Menlo,Courier New,Courier,monospace;font-size:14px;line-height:1.6;border:1px solid rgba(33,150,243,.1);box-shadow:inset 0 2px 8px #0000000d;color:#2d3748}.error{margin-top:30px;padding:20px 25px;background-color:#fed7d7f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(252,129,129,.5);border-radius:15px;color:#742a2a;box-shadow:0 10px 30px #dc262633;animation:fadeIn .6s ease-out}.error h3{margin-bottom:10px;font-weight:700;font-size:1.2rem}*{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-color:#e3f2fd;min-height:100vh;display:flex;align-items:center;justify-content:center}#root{width:100%;min-height:100vh}