* {
    box-sizing: border-box;
}

:root {
    --clr-primary: #7669ff;
    --clr-secondary: #d869ff;
    --clr-thirdary: #a869ff;
    --clr-text: #212c50;
    --clr-accent: #ff69eb;
    --clr-background: #c8bdff;
}

html {
    font-family: "Lucida Sans", Verdana, sans-serif;
    color: var(--clr-text);
    background-color: var(--clr-background);
}

body {
    margin: 0;
    padding: 1rem 0.5rem;
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

h1 {
    margin-bottom: 0;
}

output {
    font-style: italic;
    font-size: 0.9em;
}

a {
    color: var(--clr-thirdary);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

button {
    border: none;
    background-color: var(--clr-secondary);
    color: inherit;
    padding: 0.25rem 0.5rem;
    border-radius: 0.75rem;
    font-size: 0.95em;
    box-shadow: 0.125rem 0.125rem 0.25rem rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 100ms ease-out;
}
button:hover {
    translate: 0 -2px;
    box-shadow: 0.125rem 0.25rem 0.25rem rgba(0, 0, 0, 0.25);
}
button:active {
    translate: 0;
    box-shadow: none;
}

main {
    margin: 0.75rem 0;
    flex-grow: 1;
}

.created {
    margin-top: 0;
}

.emptymsg {
    display: none;
}
#bingo:empty ~ .emptymsg {
    display: block;
}

#bingo {
    --_cell-size: clamp(2rem, 15vh, 20%);
    margin: auto;
    display: grid;
    grid-template-columns: repeat(5, var(--_cell-size));
    grid-template-rows: repeat(5, var(--_cell-size));
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    border: 1px solid var(--clr-thirdary);
    border-inline: 0;
    padding: 1rem 0.5rem;
}

#bingo .card {
    background-color: var(--clr-primary);
    border-radius: 0.75rem;
    cursor: pointer;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 0.125rem;
    max-width: 100%;
    max-height: 100%;
    overflow: hidden;
    text-overflow: clip;
    word-break: break-all;
    user-select: none;
    box-shadow: 0.125rem 0.125rem 0.25rem rgba(0, 0, 0, 0.25);
    transition: all 100ms ease-out;
}

#bingo .card.checked {
    background-color: var(--clr-accent);
    position: relative;
}
.card.checked::after,
.card.checked::before {
    --_rotation: -45deg;
    position: absolute;
    content: "";
    width: 100%;
    height: 1px;
    background-color: var(--clr-primary);
    inset: 50%;
    translate: -50%;
    rotate: var(--_rotation);
}
.card.checked::after {
    --_rotation: 45deg;
}

dialog#editwords:open {
    padding: 1.25rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: min(20rem, 100%);
    background-color: var(--clr-background);
    border-color: var(--clr-primary);
    border-radius: 1rem;
}

dialog#editwords:open::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

dialog#editwords * {
    margin: 0;
}

dialog#editwords textarea {
    resize: none;
    border-color: var(--clr-text);
    color: inherit;
    font: inherit;
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    width: 80%;
    margin: auto;
}

.controls > button {
    flex: 1;
}