:root {
    --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
    --max: 860px;

    --primary: #ff6f61;
    --on-primary: #ffffff;

    --secondary: #ffc947;
    --on-secondary: #1e1e1e;

    --bg: #fff8f5;
    --on-bg: #2e2e2e;

    --surface: #ffffff;
    --surface-2: #f6edee;
    --on-surface: #2c2c2c;
    --muted: #5a5a5a;

    --error: #d04a5c;

    --line: rgba(46, 46, 46, 0.14);
    --shadow: 0 10px 26px rgba(0,0,0,0.10);

    --radius: 16px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #ff6f61;
        --on-primary: #1d1d1d;

        --secondary: #ffd168;
        --on-secondary: #1a1a1a;

        --bg: #1a1a1a;
        --on-bg: #ededed;

        --surface: #242424;
        --surface-2: #2e2c30;
        --on-surface: #dfdfdf;
        --muted: #a8a8a8;

        --error: #d04a5c;

        --line: rgba(237, 237, 237, 0.14);
        --shadow: 0 14px 34px rgba(0,0,0,0.42);
    }
}

/* basics */
* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font), sans-serif;
    background: var(--bg);
    color: var(--on-bg);
}

a { color: var(--primary); text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

.wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 28px 18px 44px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.brand {
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo-img{
    width: 34px;
    height: 34px;
    border-radius: 12px;
    box-shadow: 0 10px 24px rgba(255, 107, 138, 0.22);
}

.brand-title {
    font-weight: 800;
}

.brand-sub {
    margin-left: 8px;
    font-size: 13px;
    color: var(--muted);
}

.nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
    font-size: 14px;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}
.nav a:hover {
    color: var(--on-bg);
    border-color: var(--line);
    background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero {
    padding: 18px 18px 14px;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-2) 70%, transparent);
}

.h1 {
    margin: 0;
    font-size: 28px;
    color: var(--on-bg);
}

.lede {
    margin: 10px 0 0;
    color: var(--muted);
    line-height: 1.6;
}

.content {
    padding: 18px;
}

.content h2 {
    margin: 18px 0 10px;
    font-size: 16px;
    color: var(--on-bg);
}

.content p, .content li {
    color: var(--on-bg);
    line-height: 1.7;
}

.content p.small {
    color: var(--muted);
    font-size: 13px;
}

.content ul {
    padding-left: 18px;
}

.callout {
    margin: 14px 0;
    padding: 12px 12px;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    color: var(--on-bg);
}

.badge {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
}

.gh-mark {
    margin-left: 6px;
    opacity: 0.7;
    vertical-align: -2px;
}
a:hover .gh-mark { opacity: 1; }

.footer {
    margin-top: 14px;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 13px;
    padding: 0 4px;
}