html {
    height: 100%;
}
body {
    font-size: 24px;
    min-height: 100%;
    margin: 0;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #606060;
}
main {
    display: grid;
    grid:
        "level meta"        min-content
        "level nav"         min-content
        "level chips"       min-content
        "level time"        min-content
        "level hint"        1fr
        "level inventory"   min-content
        / min-content 12em
    ;
    gap: 1em;

    image-rendering: optimizeSpeed;

    --tile-width: 32px;
    --tile-height: 32px;
    --scale: 2;
}

.level {
    grid-area: level;

    position: relative;
}
.level canvas {
    display: block;
    width: calc(9 * var(--tile-width) * var(--scale));
}
.meta {
    grid-area: meta;

    color: yellow;
    background: black;
    text-align: center;
}
.nav {
    grid-area: nav;
    display: flex;
    gap: 1em;
}
.nav .nav-browse {
    flex: 1;
}
.chips {
    grid-area: chips;

    padding: 0 0.5em;
    color: yellow;
    background: black;
}
.chips::before {
    content: "chips left: ";
}
.time {
    grid-area: time;
}
.hint {
    grid-area: hint;
}
.inventory {
    grid-area: inventory;
    display: flex;
    flex-wrap: wrap;
    align-items: start;

    background-size: calc(2 * var(--tile-width)) calc(2 * var(--tile-height));
    width: calc(4 * var(--tile-width) * 2);
    min-height: calc(2 * var(--tile-height) * 2);
}
.inventory img {
    width: calc(2 * var(--tile-width));
}
.bummer {
    grid-area: level;

    display: flex;
    justify-content: center;
    align-items: center;

    z-index: 99;
    font-size: 48px;
    padding: 25%;
    background: #0009;
    color: white;
    text-align: center;
    font-weight: bold;
    text-shadow: 0 2px 1px black;
}
.bummer:empty {
    display: none;
}