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;margin:0;padding:0;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;display:flex;align-items:center;justify-content:center}main{text-align:center;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 10px 30px #0003;max-width:500px;width:90%}h1{color:#333;margin-bottom:.5rem;font-size:2rem}p{color:#666;margin-bottom:1.5rem;font-size:1.1rem}img{max-width:250px;height:auto;margin-top:2rem;margin-bottom:0}form{margin:2rem 0}label{display:block;margin-bottom:.5rem;font-weight:500;color:#333;text-align:left}input[type=text]{width:100%;max-width:400px;padding:12px;border:2px solid #ddd;border-radius:6px;font-size:1rem;transition:border-color .3s ease;box-sizing:border-box;font-family:Monaco,Menlo,Ubuntu Mono,monospace}input[type=text]::placeholder{color:#999;font-style:italic}input[type=text]:focus{outline:none;border-color:#29abe2;box-shadow:0 0 0 3px #29abe21a}input[type=text]:disabled{background-color:#f5f5f5;cursor:not-allowed}button{padding:12px 24px;background:linear-gradient(135deg,#29abe2,#1e88e5);color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;margin-top:1rem}button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #29abe266}button:disabled{background:#ccc;cursor:not-allowed;transform:none;box-shadow:none}#message{margin-top:1.5rem;padding:1rem;border-radius:6px;font-weight:500;min-height:50px;display:flex;align-items:center;justify-content:center;background:#f8f9fa;border:1px solid #e9ecef}#message:empty{display:none}#message.error{background:#ffeaea;border:1px solid #ffb3b3;color:#d63384}#message.success{background:#eafaf1;border:1px solid #b3dfcc;color:#0f7b0f}.info{margin-top:2rem;padding:1.5rem;background:#f8f9fa;border-radius:8px;border:1px solid #e9ecef;text-align:left}.info p{margin-bottom:.5rem;color:#333;font-size:1rem}.info ul{margin:0;padding-left:1.5rem;color:#666}.info li{margin-bottom:.5rem;font-size:.9rem;line-height:1.4}.info li:last-child{margin-bottom:0}.coin{position:fixed;top:-50px;font-size:30px;animation:coinFall linear forwards;pointer-events:none;z-index:9999;color:gold;text-shadow:0 0 5px #FFD700,0 0 10px #FFA500,0 0 15px #FF8C00,1px 1px 3px rgba(0,0,0,.3);filter:drop-shadow(0 2px 4px rgba(255,215,0,.4))}@keyframes coinFall{0%{transform:translateY(-50px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@media (max-width: 600px){main{margin:1rem;padding:1.5rem}h1{font-size:1.5rem}input[type=text]{font-size:16px}.info{padding:1rem}}