:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}button{font-family:inherit;font-size:inherit;line-height:inherit}html{scroll-behavior:smooth}*:focus{outline:2px solid #667eea;outline-offset:2px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center}.app-container{width:100%;max-width:500px;padding:20px}.greeting-card{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:40px 30px;box-shadow:0 20px 40px #0000001a;text-align:center;border:1px solid rgba(255,255,255,.2)}h1{color:#333;font-size:2.5rem;margin-bottom:10px;font-weight:700}.greeting-card>p{color:#666;font-size:1.1rem;margin-bottom:30px;opacity:.8}.greeting-form{display:flex;flex-direction:column;gap:20px;margin-bottom:30px}.name-input{padding:15px 20px;font-size:1.1rem;border:2px solid #e0e0e0;border-radius:12px;outline:none;transition:all .3s ease;background:#fafafa}.name-input:focus{border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a;transform:translateY(-2px)}.name-input::placeholder{color:#999}.button-group{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.submit-btn,.reset-btn{padding:15px 30px;font-size:1.1rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;min-width:120px}.submit-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 15px #667eea4d}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.submit-btn:active{transform:translateY(0)}.reset-btn{background:#f5f5f5;color:#666;border:2px solid #e0e0e0}.reset-btn:hover{background:#eee;border-color:#ccc;transform:translateY(-2px)}.greeting-message{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#fff;padding:25px;border-radius:15px;margin-top:20px;box-shadow:0 10px 25px #4facfe4d;animation:slideIn .5s ease-out}.greeting-message h2{font-size:1.4rem;font-weight:600;line-height:1.4}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 480px){.greeting-card{padding:30px 20px;margin:10px}h1{font-size:2rem}.button-group{flex-direction:column}.submit-btn,.reset-btn{width:100%}}.submit-btn:focus,.reset-btn:focus,.name-input:focus{outline:2px solid #667eea;outline-offset:2px}.submit-btn:disabled,.reset-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}