.app-container{min-height:100vh;background-color:#f3f4f6}.app-header{background-color:#2d3748;color:#fff;padding:1rem 2rem;display:flex;align-items:center;gap:.75rem;box-shadow:0 2px 4px #0000001a}.logo{flex-shrink:0}.app-title{font-size:1.5rem;font-weight:600;color:#48bb78;margin:0}.main-content{max-width:64rem;margin:0 auto;padding:2rem}.button-container{display:flex;gap:.75rem;margin-bottom:2rem;justify-content:center;flex-wrap:wrap}.btn{padding:.625rem 1.5rem;border-radius:.375rem;font-weight:500;font-size:1rem;cursor:pointer;transition:all .2s ease;border:none;outline:none}.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 6px #0000001a}.btn:active:not(:disabled){transform:translateY(0)}.btn-restart{background-color:#fff;color:#16a34a;border:2px solid #16a34a}.btn-restart:hover:not(:disabled){background-color:#f0fdf4}.btn-prev,.btn-next{background-color:#16a34a;color:#fff;border:2px solid #16a34a}.btn-prev:hover:not(:disabled),.btn-next:hover:not(:disabled){background-color:#15803d}.btn-disabled{background-color:#d1d5db!important;color:#9ca3af!important;border-color:#d1d5db!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.slide-card{background-color:#fff;border-radius:.75rem;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;padding:4rem 3rem;min-height:24rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.slide-title{font-size:2.5rem;font-weight:700;color:#1f2937;margin:0 0 1.5rem;text-align:center;line-height:1.2}.slide-text{font-size:1.125rem;color:#6b7280;text-align:center;max-width:42rem;margin:0;line-height:1.75}@media (max-width: 768px){.app-header{padding:1rem}.app-title{font-size:1.25rem}.main-content{padding:1.5rem}.slide-card{padding:2rem 1.5rem;min-height:20rem}.slide-title{font-size:1.875rem}.slide-text{font-size:1rem}.btn{padding:.5rem 1.25rem;font-size:.875rem}}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;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}#root{min-height:100vh}