.container{max-width:600px;margin:40px auto;background:#fff;padding:30px;border-radius:12px;box-shadow:0 6px 15px rgba(0,0,0,.1);font-family:Segoe UI,sans-serif;text-align:center}h1{font-size:24px;margin-bottom:20px}.info-card{background:#f7f9fc;padding:20px;border-radius:8px}p{margin:10px 0}button,p{font-size:16px}button{margin-top:20px;background-color:#007bff;color:#fff;padding:12px 18px;border:none;border-radius:6px;cursor:pointer;transition:background .3s ease}button:hover{background-color:#0056b3}.error,.loading{text-align:center;font-size:18px;color:#888;margin-top:50px}.simple-link{font-size:15px;color:#007bff;text-decoration:underline;transition:color .3s ease}.simple-link:hover{color:#0056b3}