body {
    font-family: "Poppins", sans-serif;
    background-color: #f2f5f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 480px;
    margin: 80px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

h2 {
    text-align: center;
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 10px;
}

input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

button {
    margin-top: 15px;
    padding: 10px;
    background-color: #4e89ff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

button:hover {
    background-color: #3578e5;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

th {
    background-color: #4e89ff;
    color: white;
}

a {
    color: #4e89ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.error {
    color: red;
    text-align: center;
}