:root {
    --grid-size: min(calc(100dvw / 17), calc(100dvh / 20));
}

html, body {
    overflow: hidden;
    overscroll-behavior: none;
    touch-action: none;
}

body {
    width: 100dvw;
    height: 100dvh;
    background-color: #bfa373;
    padding: var(--grid-size);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    font-family: "Alegreya Sans SC", sans-serif;
}

.game {
    position: relative;
    box-sizing: border-box;
    width: calc(var(--grid-size) * 15);
    height: calc(var(--grid-size) * 18);

    border-radius: calc(2 * var(--grid-size));
    padding: var(--grid-size);

    background-color: #b0925f;

    display: flex;
    flex-direction: column;
    gap: var(--grid-size);
}

/* each player's area */
.player-hands {
    flex: 0 0 calc(var(--grid-size) * 6);

    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: calc(var(--grid-size) * 6);
    gap: var(--grid-size);
}

/* the actual hand cards */
.hand {
    box-sizing: border-box;
    border: 0;
    padding: var(--grid-size);
    background-color: #d8c39a;
    border-radius: var(--grid-size);
    font-size: calc(var(--grid-size) * 3);
    color: #2e2a23;
    z-index: 1;
    cursor: default;
    font-family: inherit;
    display: grid;
    place-items: center;
    line-height: 1;
    text-align: center;
    transition: background-color 120ms ease, box-shadow 120ms ease, opacity 120ms ease, transform 120ms ease;
    user-select: none;
    -webkit-user-select: none;
}

.hand.draggable {
    cursor: grab;
}

.hand.draggable:active {
    cursor: grabbing;
}

.hand.dead {
    opacity: 0.45;
}

.hand.inactive {
    cursor: default;
    opacity: 0.45;
}

.hand.drag-source {
    opacity: 0.65;
    transform: scale(0.98);
}

.hand.editing {
    cursor: text;
}

.hand:focus {
    outline: none;
}

.dragging .hand[data-person="opponent"]:not(.dead) {
    box-shadow: inset 0 0 0 calc(var(--grid-size) * 0.08) #2e2a23;
}

.hand.drop-target {
    background-color: #ead9b2;
    box-shadow: inset 0 0 0 calc(var(--grid-size) * 0.14) #2e2a23;
}

.rearrange-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-size);
}

.rearrange-actions.editing {
    grid-template-columns: repeat(2, 1fr);
}

.rearrange,
.rearrange-cancel {
    height: calc(var(--grid-size) * 2);
    border: 0;
    border-radius: var(--grid-size);
    cursor: pointer;
    font-family: inherit;
    font-size: calc(var(--grid-size) * 1);
    display: grid;
    place-items: center;
    line-height: 1;
}

.rearrange {
    background-color: #2e2a23;
    color: #ead9b2;
}

.rearrange-cancel {
    display: none;
    background-color: #d8c39a;
    color: #2e2a23;
}

.rearrange:disabled,
.rearrange-cancel:disabled,
.rearrange-actions.inactive {
    cursor: default;
    opacity: 0.45;
}

.rearrange-actions.editing .rearrange-cancel {
    display: grid;
}

.banner-wrapper {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    pointer-events: none;
}

.banner-wrapper[hidden] {
    display: none;
}

.banner {
    pointer-events: auto;
    background-color: #2e2a23;
    color: #ead9b2;
    border-radius: var(--grid-size);
    padding: var(--grid-size) calc(var(--grid-size) * 1.5);
    display: flex;
    align-items: center;
    gap: calc(var(--grid-size) * 1.25);
    box-shadow: 0 calc(var(--grid-size) * 0.3) calc(var(--grid-size) * 0.6) rgba(0, 0, 0, 0.25);
}

.banner-title {
    font-size: calc(var(--grid-size) * 1.6);
    line-height: 1;
}

.play-again {
    height: calc(var(--grid-size) * 2);
    padding: 0 var(--grid-size);
    border: 0;
    border-radius: var(--grid-size);
    background-color: #ead9b2;
    color: #2e2a23;
    font-family: inherit;
    font-size: calc(var(--grid-size) * 1);
    cursor: pointer;
    display: grid;
    place-items: center;
    line-height: 1;
}

.toast {
    position: absolute;
    top: var(--grid-size);
    left: 50%;
    background-color: #2e2a23;
    color: #ead9b2;
    border-radius: var(--grid-size);
    padding: calc(var(--grid-size) * 0.5) var(--grid-size);
    font-size: calc(var(--grid-size) * 0.9);
    line-height: 1.1;
    max-width: calc(var(--grid-size) * 13);
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, calc(var(--grid-size) * -0.75));
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 20;
}

.toast.visible {
    opacity: 1;
    transform: translate(-50%, 0);
}