body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(rgb(255 255 255 / 35%), rgb(255 255 255 / 35%)),
        url("crew.jpeg") center bottom / cover no-repeat;
}

body > .container-main {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: auto;
    padding-top: 0 !important;
}

main {
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
}

/* nothing to open before signing in */
.navbar-toggler,
#messages:empty {
    display: none;
}

/* stock's heading row and form row share one white panel */
main > .col-12 {
    width: min(33rem, calc(100% - 3.5rem));
    margin: 1rem 0;
    padding: clamp(1.5rem, 3.5vw, 3.5rem);
    background: #fff;
    border-radius: 0.75rem;
}

main .row > [class*="col-"] {
    width: 100%;
    margin: 0 !important;
}

main h1.display-5 {
    margin: 0 0 2rem;
    font-size: clamp(1.6rem, 2.3vw, 2.2rem);
    font-weight: 500;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

main form .btn-primary {
    width: 100%;
}

main form .btn-link {
    float: none !important;
    display: block;
    margin-top: 1.25rem;
}

footer {
    height: auto;
    min-height: 60px;
    margin: 0 !important;
    background-color: rgba(var(--bs-body-bg-rgb), 0.85);
}

@media (min-aspect-ratio: 7/5) {
    body {
        background-size: auto, 115% auto;
    }
}