:root {
    --title-font-size: 2rem;
    --splash-height: 24rem;
    --bg: white;
    --fg: black;
}


* {
    box-sizing: border-box;
}
html, body {
    height: 100%;
}
body {
    margin: 0;
    background: url("./paul-melki-bByhWydZLW0-unsplash.jpg") center / cover no-repeat fixed;
    line-height: 1.15;
    font-family: sans-serif;
}


header {
    z-index: 1;
    position: fixed;
    top: 0;
    left: 0;
    height: var(--splash-height);
    width: 80%;
    margin: 0 10%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    text-shadow: 0 0 0.5em black;
}
header h1 {
    border: 0.5rem solid white;
    padding: 1em 2em;
    line-height: 1.5;
    white-space: nowrap;
    font-size: var(--title-font-size);
    font-weight: bold;
}
button {
    border: none;
    padding: .5rem 1rem;
    white-space: nowrap;
    font-size: 1rem;
    background-color: #0E419C;
    color: white;
    cursor: pointer;
    user-select: none;
}
button:hover {
    filter: brightness(90%);
}
button:active {
    filter: brightness(80%);
}


main {
    z-index: 2;
    position: absolute;
    top: var(--splash-height);
    left: 0;
    width: 100%;
    min-height: calc(100% - var(--splash-height));
    padding: 1rem;
    background-color: var(--bg);
    color: var(--fg);
}
main>div {
    width: fit-content;
    margin: 0 auto;
}
#loading {
    width: 5rem;
    height: 5rem;
    margin: 0 auto;
    border: 6px solid var(--fg);
    border-color: var(--fg) transparent var(--fg) transparent;
    border-radius: 50%;
    animation: loading 1.2s linear infinite;
}
@keyframes loading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}
[v-cloak] {
    display: none;
}


table {
    border: 1px solid #bbbb;
    border-collapse: collapse;
    border-spacing: 0;
    empty-cells: show;
}
table thead,
table tbody tr :nth-child(3),  /* ISBN */
table tbody tr :nth-child(4) { /* status */
    white-space: nowrap;
}
table thead th {
    position: sticky;
    top: 0;
    background-color: #bbbb;
    color: var(--fg);
}
table tbody td {
    margin: 0;
    border-left: 1px solid #bbbb;
    border-width: 0 0 0 1px;
    padding: .5em 1em;
}
table tbody tr:nth-child(2n) {
    background-color: #bbb5;
}
table tbody tr :nth-child(3) { /* ISBN */
    font-size: 0.7rem;
}
table tbody tr :nth-child(6)>div { /* tags */
    display: flex;
    flex-flow: row wrap;
    gap: 0.2rem;
}
a {
    color: #0E419C;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
mark {
    padding: 1px 0.3rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    color: white;
}
mark.available {
    background-color: #1cb841;
}
mark.unavailable {
    background-color: #ca3c3c;
}


footer {
    font-size: 0.8rem;
    font-style: italic;
}


@media screen and (max-width: 1024px) {
    /* Hide source */
    table tr :nth-child(5) { /* source */
        display: none;
    }
}
@media screen and (max-width: 768px) {
    /* Hide ISBN, category */
    table tr :nth-child(3),  /* ISBN */
    table tr :nth-child(6) { /* tags */
        display: none;
    }
}
@media screen and (max-width: 568px) {
    :root {
        --title-font-size: 1.5rem;
        --splash-height: 20rem;
    }
    /* Hide author */
    table tr :nth-child(2) { /* author */
        display: none;
    }
    dialog {
        width: 100%;
    }
}
/* Mobile Landscape */
@media screen and (orientation: landscape) and (max-height: 568px) {
    :root {
        --title-font-size: 1.5rem;
        --splash-height: 16rem;
    }
    header h1 br { /* one-line h1 */
        display: none;
    }
}
@media screen and (prefers-color-scheme: dark) {
    :root {
        --bg: black;
        --fg: white;
    }
    a {
        color: #5f95f1;
    }
}
@media print {
    body {
        background: none;
    }
    header {
        position: absolute;
        color: black;
        text-shadow: none;
    }
    header h1 {
        border: 0.2rem solid black;
    }
}