:root {
    color-scheme: light;
    --background-color: #ffffff;
    --text-color: #000000;
    --muted-color: #6b7280;
    --border-color: rgba(0, 0, 0, 0.82);
    --button-border-color: rgba(0, 0, 0, 0.16);
    --button-bg-hover: rgba(0, 0, 0, 0.05);
    --button-bg-active: rgba(0, 0, 0, 0.1);
}

html.dark {
    color-scheme: dark;
    --background-color: #0f1115;
    --text-color: #f5f5f5;
    --muted-color: #a1a1aa;
    --border-color: rgba(255, 255, 255, 0.32);
    --button-border-color: rgba(255, 255, 255, 0.22);
    --button-bg-hover: rgba(255, 255, 255, 0.08);
    --button-bg-active: rgba(255, 255, 255, 0.14);
}

html {
    background-color: var(--background-color);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.25s ease, color 0.25s ease;
}

a,
a:visited,
a:active {
    color: var(--text-color);
    transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

button {
    font: inherit;
}

hr {
    border-color: var(--button-border-color);
}

.theme-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.4rem;
}

.theme-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--button-border-color);
    border-radius: 999px;
    background: transparent;
    color: var(--text-color);
    transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.theme-button:hover {
    background-color: var(--button-bg-hover);
}

.theme-button.is-active {
    background-color: var(--button-bg-active);
}

.theme-button:focus-visible {
    outline: 2px solid var(--text-color);
    outline-offset: 2px;
}

.theme-button svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.photo-caption {
    margin: 0;
    padding: 0.5rem 0;
    font-size: small;
    text-align: right;
    color: var(--muted-color);
}

.section-rule {
    margin-top: 0;
    opacity: 1;
}