:root {
    /* colors - based on editor's current scheme */
    --bg: 222 47% 8%;
    --surface: 222 39% 12%;
    --fg: 210 20% 96%;
    --muted: 220 12% 65%;
    --accent: 199 89% 61%;
    --border: 220 12% 26%;

    /* sizing */
    --space: 1rem;
    --gap: 0.75rem;
    --radius: 10px;
    --header-h: 56px;
}
html,
body {
    margin: 0;
    padding: 0;
}
body {
    color: hsl(var(--fg));
    background: hsl(var(--bg));
    font:
        16px/1.6 ui-sans-serif,
        system-ui,
        -apple-system,
        "Segoe UI",
        Roboto,
        Arial,
        "Noto Sans";
}
a {
    color: hsl(var(--accent));
    text-decoration: none;
}
a:hover {
    color: white;
}
.brand-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    transition:
        transform 0.2s ease,
        filter 0.2s ease;
}

.brand-icon:hover {
    transform: scale(1.1) rotate(3deg);
    filter: brightness(1.2);
}
.container {
    width: min(100% - 2rem, 72rem);
    margin-inline: auto;
}
.card {
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: var(--space);
}
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.6ch;
    padding: 0.5rem 0.8rem;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    background: hsl(var(--surface));
    color: hsl(var(--fg));
}
.input,
textarea,
select {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    background: hsl(var(--surface));
    color: hsl(var(--fg));
}
h1 {
    text-align: center;
    font-size: 3em;
}
h2 {
    font-size: 2em;
}
h4 {
    text-align: center;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-header {
    position: sticky;
    top: 0;
    height: var(--header-h);
    border-bottom: 1px solid hsl(var(--border));
    background: hsl(var(--bg) / 0.7);
    backdrop-filter: blur(6px);
}
.site-header nav {
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--gap);
    padding-inline: var(--space);
}
.site-header .brand {
    font-weight: 700;
    color: hsl(var(--fg));
}
.site-header .spacer {
    flex: 1;
}
.link-btn {
    color: hsl(var(--fg));
    padding: 0.35rem 0.6rem;
    border-radius: 8px;
}
.link-btn:hover {
    background: hsl(var(--accent) / 0.5);
    color: white;
}
@media (max-width: 640px) {
    .site-header nav {
        flex-wrap: wrap;
        row-gap: 0.5rem;
    }
    .site-header .spacer {
        display: none;
    }
}

/* cards */

ul.grid-gap > li.card {
    display: flex;
    margin: 1rem;
    flex-direction: column;
    justify-content: space-between;
}

ul.grid-gap > li.card .content {
    flex: 1;
    margin-bottom: var(--space-3);
}

ul.grid-gap > li.card .read-more {
    align-self: flex-end;
    margin-top: auto;
    color: hsl(var(--accent));
    text-decoration: none;
    font-weight: 600;
    transition:
        color 0.15s ease,
        transform 0.1s ease;
}

ul.grid-gap > li.card .read-more:hover {
    color: hsl(var(--accent-contrast));
}
small {
    color: hsl(var(--accent) / 0.7);
}