:root{
    --fg-blue: #2a70e0;
    --bg-blue: #212536;

    --error-color: #D00;
    --border-color: #6b7280;
    
    --font-family: system-ui;
    --font-size: 18px;
    --content-max-width: 1200px;
}

html,
body{
    min-height: 100vh;

    margin: 0;
    padding: 0;
}

body{
    display: flex;
    font-family: var(--font-family);
    font-size: var(--font-size);
    flex-direction: column;
}

header,
main,
footer{
    width: 100%;
}

main{
    flex-grow: 1;
}

header > .section,
main > .section,
footer > .section{
    margin: 0 auto;
    padding: 1.5rem 2rem;
    max-width: var(--content-max-width);
    width: calc(100% - 4rem);
    min-height: calc(100px - 3rem);
}

header #header_logo_link{
    text-decoration: none;
    margin-right: 4rem;
}

header #header_logo_link > img{
    height: 150px;
}

header #main_nav{
    display: inline-block;
    margin-top: 1.5rem;
}

header #main_nav a{
    display: inline-block;
    color: #000;
    font-size: 1.25rem;
    margin-right: 1rem;
    text-decoration: none;
}

header #main_nav a:hover{
    color: var(--fg-blue);
}

footer{
    background: var(--bg-blue);
}

footer > .section{
    color: #FFF;
    text-align: center;
}

main button{
    background: var(--fg-blue);
    color: #FFF;
    font-weight: 700;
    text-transform: uppercase;
}

main button,
main select{
    cursor: pointer;
}

main button,
main input[type="date"],
main input[type="text"],
main input[type="password"],
main select,
main textarea{
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-family: var(--font-family);
    font-size: 100%;
    padding: 0.5rem 1.5rem;
}

main textarea{
    border-radius: 0;
    padding: 0.5rem;
}

main label + label{
    margin-top: 1rem;
}

main label > span{
    margin: 0.5rem 1.5rem 0.5rem 0;
    cursor: pointer;
}

main table{
    margin-top: 2rem;
    border-collapse: collapse;
}

main table thead tr{
    background: var(--bg-blue);
    color: #FFF;
}

main table td,
main table th{
    border: 1px solid var(--border-color);
    padding: 4px 8px;
}

main table tbody > tr:nth-of-type(2n){
    background: #E0E0E0;
}

main form{
    display: grid;
    width: max-content;
}

main label{
    display: grid;
    grid-column: 1 / span 2;
    grid-template-columns: subgrid;

    width: max-content;
}

main label textarea{
    height: 100px;
}

main form button{
    grid-column: 2;
    justify-self: end;
    margin-top: 2rem;
}

.post_error,
.post_success{
    margin: 1rem 0 3rem;
}

.post_error{
    color: #F00;
}