:root {
    color-scheme: light dark;
    font-family: system-ui, sans-serif;
}

body {
    max-width: 72rem;
    margin: 0 auto;
    padding: 1rem;
}

nav {
    display: flex;
    gap: 1rem;
}

main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 28rem), 1fr));
    gap: 1rem;
    align-items: start;
}

cem-demo-element {
    min-width: 0;
}
.heart {
    animation: heart-beat 1.2s infinite ease-in-out;
    text-align: center; font-size: 400%;
}
@keyframes heart-beat
{   0%  {transform: scale(1);}     40% {transform: scale(0.6);}
    60%  {transform: scale(0.9);} 100% {transform: scale(0.7);}
}

button {
    padding: 0.5rem 0.75rem;
}

.syntax-coloring {
    max-width: 88rem;
}

.theme-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
    margin-block: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--cem-separator-color, currentColor);
    border-radius: 0.5rem;
    background: var(--cem-palette-conservative, Canvas);
    color: var(--cem-palette-conservative-text, CanvasText);
}

.theme-switch label {
    font-weight: 700;
}

.theme-switch select {
    min-block-size: 2.5rem;
    padding-inline: 0.5rem;
}

.theme-switch output {
    flex: 1 1 24rem;
}

.syntax-model-key dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
    gap: 0.75rem;
    margin-block: 1rem;
}

.syntax-model-key dl > div {
    padding: 0.75rem;
    border: 1px solid var(--cem-separator-color, currentColor);
    border-radius: 0.5rem;
    background: var(--cem-palette-comfort, Canvas);
    color: var(--cem-palette-comfort-text, CanvasText);
}

.syntax-model-key dt {
    margin-block-end: 0.35rem;
    font-weight: 700;
}

.syntax-model-key dd {
    margin: 0;
    line-height: 1.75;
}

.syntax-role-key {
    overflow-x: auto;
}

.syntax-role-key table {
    width: 100%;
    border-collapse: collapse;
    background: var(--cem-palette-comfort, Canvas);
    color: var(--cem-palette-comfort-text, CanvasText);
}

.syntax-role-key :is(th, td) {
    padding: 0.5rem 0.75rem;
    border-block-end: 1px solid var(--cem-separator-color, currentColor);
    text-align: left;
}

.syntax-role-key tbody th {
    font-weight: 400;
}

.syntax-role-key td:nth-child(2) > code,
.syntax-role-key td:nth-child(2) > code > * {
    color: inherit;
}

.syntax-role-key [data-syntax-role="punctuation"] td:nth-child(2),
.syntax-role-key [data-syntax-role="raw"] td:nth-child(2) {
    color: color-mix(
        in srgb,
        var(--cem-palette-conservative-x, CanvasText) 68%,
        var(--cem-palette-comfort, Canvas)
    );
}

.syntax-role-key [data-syntax-role="name"] td:nth-child(2) {
    color: var(--cem-action-primary-active-background, LinkText);
    font-weight: 700;
}

.syntax-role-key [data-syntax-role="keyword"] td:nth-child(2) {
    color: var(--cem-action-primary-pending-background, LinkText);
    font-weight: 600;
}

.syntax-role-key [data-syntax-role="attribute"] td:nth-child(2) {
    color: var(--cem-action-destructive-pending-background, MarkText);
    font-weight: 700;
}

.syntax-role-key [data-syntax-role="property"] td:nth-child(2) {
    color: light-dark(
        var(--cem-action-destructive-active-background, #b42318),
        #9cdcfe
    );
}

.syntax-role-key [data-syntax-role="value"] td:nth-child(2) {
    color: light-dark(#0451a5, #ce9178);
}

.syntax-role-key [data-syntax-role="function"] td:nth-child(2) {
    color: light-dark(#795e26, #dcdcaa);
}

.syntax-role-key [data-syntax-role="function"] kbd {
    border: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
    color: inherit;
    font: inherit;
}

.syntax-role-key [data-syntax-role="string"] td:nth-child(2) {
    color: var(--cem-action-contextual-pending-background, VisitedText);
}

.syntax-role-key [data-syntax-role="number"] td:nth-child(2) {
    color: var(--cem-palette-creativity-x, VisitedText);
}

.syntax-role-key [data-syntax-role="comment"] td:nth-child(2) {
    color: color-mix(
        in srgb,
        var(--cem-palette-calm-x, CanvasText) 75%,
        var(--cem-palette-comfort, Canvas)
    );
    font-style: italic;
}

.syntax-role-key [data-syntax-role="text"] td:nth-child(2) {
    color: var(--cem-palette-comfort-text, CanvasText);
}

.syntax-role-key [data-syntax-role="error"] td:nth-child(2) {
    color: var(--cem-action-destructive-hover-background, #9c1c1c);
    font-weight: 600;
}

.syntax-role-key [data-syntax-role="error"] mark {
    background: transparent;
    color: inherit;
}

.syntax-coloring main {
    grid-template-columns: 1fr;
}

.syntax-coloring main > section {
    min-width: 0;
}

.source-only > [slot="demo"] {
    display: none;
}