:root {
  --bg: #f6f7f9; --fg: #1d2330; --muted: #6b7385; --card: #fff; --border: #d9dde5; --accent: var(--brand, #2457d6); --err: #b3261e; --ok: #1b7a43;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171d; --fg: #e8eaf0; --muted: #98a0b3; --card: #1d222b; --border: #2d3441; --accent: var(--brand, #7aa2ff); --err: #ff8a80; --ok: #6fd69a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 system-ui, "Segoe UI", sans-serif; }
.bar { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; background: var(--card); border-bottom: 1px solid var(--border); }
main { max-width: 60rem; margin: 0 auto; padding: 1rem; }
.card { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.25rem; margin: 0 0 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
label { display: grid; gap: .25rem; margin: 0 0 .75rem; font-size: .95rem; }
input, select { font: inherit; padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); }
button, a.btn { font: inherit; padding: .5rem .9rem; border: 1px solid var(--accent); border-radius: 6px; background: var(--accent); color: var(--brand-ink, #fff); cursor: pointer; text-decoration: none; display: inline-block; }
button.secondary, a.btn.secondary { background: transparent; color: var(--accent); }
button:disabled { opacity: .5; cursor: default; }
table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--border); font-size: .95rem; }
td.num, th.num { text-align: right; }
.muted { color: var(--muted); }
.error { color: var(--err); }
.ok { color: var(--ok); }
.row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: end; }
code.big { font-size: 1.6rem; letter-spacing: .08em; }
@media (max-width: 600px) { main { padding: .5rem; } }
.bar .brandmark img { height: 28px; }
.bar .brandmark span { font-size: 1.15rem; }