body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    background: linear-gradient(to right, #4facfe, #00f2fe);
}

.container {
    width: 350px;
    margin: 100px auto;
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

h1, h2 {
    color: #333;
}

input {
    width: 90%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
}

button {
    width: 95%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #4facfe;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #007bff;
}

a {
    text-decoration: none;
}

#message {
    margin-top: 10px;
    font-weight: bold;
}

.success { color: green; }
.error { color: red; }

ul {
    list-style: none;
    padding: 0;
}

li {
    background: #f1f1f1;
    margin: 5px;
    padding: 10px;
    border-radius: 6px;
}