body {
    font-family: Arial, sans-serif;
    width: 350px;
    margin: 10px auto;
    padding: 15px 25px;
    border: 2px solid blue;
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: blue;
    border-bottom: 2px solid blue;
    margin: 0;
    padding-bottom: 5px;
    font-size: 1.5em;
}

h2 {
    font-size: 1.1em;
    color: blue;
    margin: 10px 0 5px 0;
}

#error_message {
    color: red;
    font-weight: bold;
    min-height: 1.2em;
    margin: 5px 0;
    text-align: center;
}

.error {
    color: red;
    margin-left: 5px;
    font-size: 0.9em;
}

/* Form Alignment */
label {
    float: left;
    width: 10em;
    text-align: right;
    margin-right: 1em;
}

input {
    width: 11em;
    margin-bottom: 5px;
    padding: 2px;
}

br {
    clear: left;
}

#button_row {
    text-align: center;
    margin: 15px 0;
}

button {
    padding: 4px 12px;
    cursor: pointer;
}

#results_panel {
    text-align: center;
    margin-top: 10px;
    border-top: 2px solid blue;

}

#projection_output {
    font-size: 1.4em;
    font-weight: bold;
    color: green;
    margin-top: 8px;
}