:root { --ink:#16161a; --muted:#5b5b66; --line:#e2e2e8; --bg:#fff; --soft:#f4f4f7; --accent:#1f9d55;
        --warn:#d97706; --bridge:#2563eb; --backup:#7c3aed; }
@media (prefers-color-scheme: dark) { :root { --ink:#ececf1; --muted:#a0a0ab; --line:#33333b; --bg:#141418;
        --soft:#1d1d23; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0 auto; max-width: 980px; padding: 24px 16px 80px; background: var(--bg); color: var(--ink);
       font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif; }
header#title-block-header { margin-bottom: 8px; }
h1.title { font-size: 2rem; margin: 0; letter-spacing: -0.02em; }
p.subtitle { color: var(--muted); margin: 4px 0 0; font-size: 1.1rem; }
p.date { color: var(--muted); font-size: .9rem; }
nav#TOC { background: var(--soft); border-radius: 10px; padding: 12px 18px; margin: 20px 0 32px; }
nav#TOC ul { padding-left: 18px; margin: 4px 0; } nav#TOC > ul { columns: 2; column-gap: 32px; }
nav#TOC a { color: inherit; text-decoration: none; } nav#TOC a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; border-bottom: 2px solid var(--ink); padding-bottom: 4px; margin-top: 48px; }
h2 { font-size: 1.25rem; margin-top: 32px; } h3 { font-size: 1.05rem; margin-top: 24px; }
a { color: var(--bridge); }
img { max-width: 100%; height: auto; }
figure { margin: 12px 0 20px; } figcaption { color: var(--muted); font-size: .9rem; }
figure img[src$='.svg'] { background: #fff; border-radius: 8px; }
table { border-collapse: collapse; margin: 12px 0 20px; font-size: .93rem; width: 100%; }
@media (max-width: 760px) { table { display: block; overflow-x: auto; } }
th, td { text-align: left; vertical-align: top; padding: 6px 10px; border-bottom: 1px solid var(--line); }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td img { height: 40px; width: auto; max-width: none; border-radius: 3px; }
/* clip overview (8 columns): narrow number columns, wide description */
td:nth-child(7):nth-last-child(2) { min-width: 300px; }
td:nth-child(-n+5):nth-last-child(n+4) { white-space: nowrap; }
code { background: var(--soft); padding: 1px 5px; border-radius: 4px; font-size: .9em; }
pre { background: var(--soft); padding: 12px; border-radius: 8px; overflow-x: auto; }
div.tip, div.warning, div.bridge, div.backup { border-left: 4px solid var(--accent); background: var(--soft);
       padding: 10px 14px; border-radius: 0 8px 8px 0; margin: 14px 0; }
div.warning { border-left-color: var(--warn); } div.bridge { border-left-color: var(--bridge); }
div.backup { border-left-color: var(--backup); }
div.tip h4, div.warning h4 { margin: 0 0 4px; }
a.download { display: flex; align-items: center; gap: 14px; margin: 18px 0 8px; padding: 12px 16px;
       border: 1px solid var(--line); border-radius: 10px; background: var(--soft); color: inherit; text-decoration: none; }
a.download:hover { border-color: var(--accent); }
a.download .icon { flex: none; width: 36px; height: 44px; border-radius: 4px; background: var(--accent); color: #fff;
       font: 700 11px/44px -apple-system, Helvetica, Arial, sans-serif; text-align: center; }
a.download b { display: block; } a.download span.meta { color: var(--muted); font-size: .9rem; }
@media (max-width: 640px) { nav#TOC > ul { columns: 1; } h1.title { font-size: 1.6rem; } }