:root {
    --accent-color: #ff8724;
    --accent-color-text: #fff;
    --background-color: #eee;
    --footer-color: #fff;
    --text-color: #000;
    --border-color: #000;

    --notice-info-color: #e1efff;
    --notice-info-text-color: #000;
    --notice-info-border-color: #b3d1ff;

    --notice-success-color: #e8f5e9;
    --notice-success-text-color: #000;
    --notice-success-border-color: #b2dfdb;

    --notice-warning-color: #fff8e1;
    --notice-warning-text-color: #000;
    --notice-warning-border-color: #ffe0b2;

    --notice-error-color: #ffebee;
    --notice-error-text-color: #000;
    --notice-error-border-color: #ffcccb;

}

/* Dark mode browser */
@media (prefers-color-scheme: dark) {
    :root {
        --accent-color: #ff8724;
        --accent-color-text: #fff;
        --background-color: #333;
        --footer-color: #222;
        --text-color: #fff;
        --border-color: #fff;

        --notice-info-color: #2a3f5f;
        --notice-info-text-color: #fff;
        --notice-info-border-color: #3e5577;

        --notice-success-color: #2f5f3b;
        --notice-success-text-color: #fff;
        --notice-success-border-color: #3e7754;

        --notice-warning-color: #5f5730;
        --notice-warning-text-color: #fff;
        --notice-warning-border-color: #7b774e;

        --notice-error-color: #5f3030;
        --notice-error-text-color: #fff;
        --notice-error-border-color: #7b4e4e;
    }
}

/* ------------------------------------------------------------- */

html {
    font-size: 16px;
    opacity: 1;
    display: block;
}

@media screen and (max-width: 800px) {
    html {
        font-size: 12px;
    }
}

/* ------------------------------------------------------------- */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

a {
    color: var(--text-color);
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 2px;
    transition-property: text-decoration-color;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
}

a:hover {
    text-decoration-color: var(--text-color);
}

a.noformat {
    text-decoration: none;
    color: inherit;
}

p {
    font-size: 1.2em;
}

/* ------------------------------------------------------------- */

header {
    background-color: var(--background-color);
    padding: 20px;
    justify-content: space-between;
    display: flex;
}

header span.logo {
    font-size: 2.5em;
    font-weight: 900;
    margin: 0;
    padding: 0;
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 5px;
    transition-property: text-decoration-color;
    transition-duration: 0.2s;
    transition-timing-function: ease-in-out;
}

header span.logo:hover {
    cursor: pointer;
    text-decoration-color: var(--text-color);
}

/* ------------------------------------------------------------- */

.notice {
    padding: 25px;
    margin: 10px 20px;
    border: 5px solid;
    border-radius: 25px;
    text-align: center;
    font-size: 1.5em;
    font-weight: 700;
}

.notice-info {
    background-color: var(--notice-info-color);
    color: var(--notice-info-text-color);
    border-color: var(--notice-info-border-color);
}

.notice-info * {
    color: var(--notice-info-text-color);
}

.notice-success {
    background-color: var(--notice-success-color);
    color: var(--notice-success-text-color);
    border-color: var(--notice-success-border-color);
}

.notice-success * {
    color: var(--notice-success-text-color);
}

.notice-warning {
    background-color: var(--notice-warning-color);
    color: var(--notice-warning-text-color);
    border-color: var(--notice-warning-border-color);
}

.notice-warning * {
    color: var(--notice-warning-text-color);
}

.notice-error {
    background-color: var(--notice-error-color);
    color: var(--notice-error-text-color);
    border-color: var(--notice-error-border-color);
}

.notice-error * {
    color: var(--notice-error-text-color);
}

/* ------------------------------------------------------------- */

main {
    padding: 20px;
    /* Center elements */
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Fill remaining vertical space */
    flex: 1;
    justify-content: center;
}

main h1 {
    font-size: 4em;
    margin: 10px;
    padding: 0;
    font-weight: 800;
}

main h2 {
    font-size: 2em;
    margin: 10px;
    padding: 0;
    font-weight: 600;
}

main form {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 700px;
    margin: 20px;
}

main form>* {
    margin-top: 15px;
}

main form label {
    font-size: 1.5em;
    font-weight: 700;
    /* Left justify */
    text-align: left;
    width: 100%;
}

main form input {
    margin: 10px;
    padding: 10px;
    font-size: 1.5em;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    border: 5px solid var(--border-color);
    border-radius: 25px;
    background-color: var(--background-color);
    color: var(--text-color);
    width: 100%;
    text-align: center;
}

main form div.radio-group {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
}

main form div.radio-group span {
    display: flex;
    flex-direction: row;
}

main form div.radio-group span input {
    width: 25px;
    height: 25px;
}

main form div.radio-group span label {
    margin: auto 0;
    font-size: 1.5em;
    font-weight: 700;
}

main form button {
    margin: 10px;
    margin-top: 20px;
    padding: 10px;
    font-size: 1.5em;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    border: none;
    border-radius: 25px;
    width: 100%;
    text-align: center;
    background-color: var(--text-color);
    color: var(--background-color);
    cursor: pointer;
    transition-property: background-color, color, box-shadow;
    transition-duration: 0.5s;
    transition-timing-function: ease-in-out;
}

main form button:hover {
    background-color: var(--accent-color);
    color: var(--accent-color-text);
    /* Pop out the button in 3d */
    box-shadow: 0 0 10px var(--accent-color);
}

/* ------------------------------------------------------------- */

footer {
    background-color: var(--footer-color);
    padding: 10px;
    justify-content: space-between;
    display: flex;
}

footer span {
    font-size: 1em;
    font-weight: 200;
    margin: 0;
    text-align: center;
    flex: 1;
}