body {
    margin: 0;
    padding: 0;
    font-family: "Open Sans",sans-serif;
    background-color: #121418;
    color: #ffffff;
    font-size: 20px;
}

h1 {
    padding: 0;
    margin: 0;
    margin-bottom: 1rem;
}

.container {
    margin: auto;
    max-width: 1440px;
    padding: 2rem;
}

.panel {
    border-radius: 1rem;
    padding: 2rem;
    background-color: #1f202a;
}

.group {
    margin-top: 1rem;
    margin-bottom: 1rem;
    display: flex;
}

.group-vertical {
    flex-direction: column;
}

.hidden {
    display: none;
}

.error {
    color: #ff636f;
}

textarea {
    border-radius: 0.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 18px;
    font-weight: 500;
    width: 100%;
    border: none;
    padding: 0.5rem;
    background-color: #1d2432;
    color: #9ddf6e;
}

.numbers {
    background-color: #1d2432;
    color: #9ddf6e;
    border-radius: 0.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 18px;
    font-weight: 500;
    border: none;
    padding: 0.5rem;
    margin-bottom: 1rem;
}

textarea::placeholder {
    opacity: 0.7;
    color: #8c96a6;
}  

textarea:focus {
    outline: none;
}

textarea:focus-visible {
    outline: none;
}

textarea:focus-within {
    outline: none;
}

p {
    margin: 0;
    padding: 0;
}


/* Customize the label (the container) */
.radio-group {
    display: block;
    position: relative;
    padding-left: 2rem;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    margin-right: 1rem;
}

/* Hide the browser's default radio button */
.radio-group input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Create a custom radio button */
.checkmark {
    position: absolute;
    top: 2;
    left: 2;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 50%;
}

/* On mouse-over, add a grey background color */
.radio-group:hover input ~ .checkmark {
    background-color: #ccc;
}

/* When the radio button is checked, add a blue background */
.radio-group input:checked ~ .checkmark {
    background-color: #ba5b0c;
}

/* Create the indicator (the dot/circle - hidden when not checked) */
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

/* Show the indicator (dot/circle) when checked */
.radio-group input:checked ~ .checkmark:after {
    display: block;
}

/* Style the indicator (dot/circle) */
.radio-group .checkmark:after {
    top: 6px;
    left: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: white;
}