:root {
    --color-1: #cddce0;  /* light */
    --color-2: #77a0a9;  /* darker */
    --link: var(--color-1);
    --external-link: var(--color-2);
    --radius: 8px;
}
html {
    height: 100%;
}
body {
    font-family: sans-serif;
    font-size: 16px;
    display: grid;
    width: 800px;
    margin: auto;
    min-height: 100vh;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
      'header'
      'main'
      'footer';
}
body > header {
    grid-area: header;
}
header {
    /* background-color: var(--color-1); */
    border-radius: var(--radius);
    /* margin: 20px 0 20px 0; */
    padding-top: 20px;
    h1 {
        font-size: 1.2em;
        margin:0;
    }
    h2 {
        margin: 16px 0 24px 0;
        font-size: 1.1rem;
        font-style: italic;
        font-weight: normal;
        color: var(--color-2);
    }
   nav {
        border-radius: var(--radius) var(--radius);
        text-align: center;
        background-color: var(--color-2);
        padding: 1px 0 1px 0;
        ul {
            padding-left: 0;
            margin: 24px 0 24px 0;
            li {
                padding: 0 12px 0 10px;
                display: inline-block;
            }
            li.current {
                color: var(--color-1);
            }
        }
    }
}
nav {
    a {
        text-decoration: none;
    }
}
main {
    grid-area: main;
    /* overflow: auto; */
    nav {
        border-radius: var(--radius);
        text-align: center;
        margin: 24px 0 12px 0;
    }
}

a {
    color: inherit;
    text-decoration: underline var(--link) 2px;
}
a:hover,
a.icon:hover {
    text-decoration: underline var(--link) 3px;
}
a[href*="//"] {
  --link:var(--external-link);
}
a.icon {
    text-decoration: none;
}

article {
    border: 0.1rem outset var(--color-1);
    border-radius: var(--radius);
    margin: 12px 0 12px 0;
    padding: 24px;
    h3 {
        margin: 0;
    }
    /* title of a form */
    h3:has(+form) {
        text-align: center;
        margin: 10px;
    }
    form {
        label,input,textarea {
            width: 100%;
            border-radius: calc(var(--radius)/2);
            display: block;
            box-sizing: border-box;
        }
        button {
            background-color: var(--color-2);
            border: 0.1rem outset var(--color-1);
            border-radius: calc(var(--radius)/2);
            margin: auto;
            display: block;
            width: 200px;
            padding: 10px;
            font-size: 1em;
            color: var(--color-1);
        }
    }
    .center {
        text-align: center;
    }
}
body > footer {
    grid-area: footer;
    text-align: center;
    padding: 16px;
}

/* .private is hidden when logged out */
.private:not(.connected) {
    display: none;
}
/* .public is hidden when logged it */
.public.connected {
    display: none;
}