:root {
  --bg: #f4f3ef; --surface: #fff; --text: #1c1d1f; --muted: #6b6e75; --line: #e2e0d9;
  --accent: #2f5bd3; --accent-text: #fff; --ok: #2f7d5b; --danger: #b3261e;
  --focus: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);
  --radius: 12px; --shadow: 0 1px 2px rgb(0 0 0 / .05), 0 4px 16px rgb(0 0 0 / .04);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131416; --surface: #1c1e21; --text: #ecebe7; --muted: #9a9ca2; --line: #2d3035;
    --accent: #7c9cff; --accent-text: #0d1020; --ok: #62c398; --danger: #ff8a80; --shadow: none; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
[hidden] { display: none !important; }
h1, h2 { margin: 0; letter-spacing: -.01em; }
h1 { font-size: 1.4rem; font-weight: 700; }
h1 span { color: var(--muted); font-weight: 500; }
h2 { font-size: 1.1rem; }
a { color: var(--accent); }
code { font: 13px/1.4 ui-monospace, "SF Mono", Consolas, monospace; }
button, input { font: inherit; color: inherit; }
button { border: 1px solid var(--line); background: var(--surface); padding: .45rem .9rem; border-radius: 8px; cursor: pointer; white-space: nowrap; }
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.ghost { border-color: transparent; background: transparent; color: var(--muted); }
button.danger { color: var(--danger); }
button:focus-visible, input:focus-visible { outline: none; box-shadow: var(--focus); }
input:not([type=checkbox]) { width: 100%; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
input[type=checkbox] { accent-color: var(--accent); width: 1.1rem; height: 1.1rem; margin: 0; }
label { display: grid; gap: .3rem; font-weight: 500; }
label.check { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; display: grid; gap: 1rem; }
.narrow { width: min(380px, 100%); }
.bar { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap;
  padding: .75rem max(16px, calc((100% - 960px) / 2)); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar nav { display: flex; gap: .75rem; align-items: center; }
.wrap { max-width: 960px; margin: 0 auto; padding: 1rem 16px 4rem; display: grid; gap: 1.5rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.error { color: var(--danger); margin: 0; min-height: 1.2em; }
.sub { color: var(--muted); font-size: .85rem; margin: 0; }
.banner { margin: 0; padding: .7rem 1rem; border-radius: 10px; background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
.banner.error { background: color-mix(in srgb, var(--danger) 12%, var(--surface)); }
.secret { border-color: var(--accent); }
.copy-row { display: flex; gap: .5rem; align-items: center; }
.copy-row code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; padding: .5rem .6rem; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .65rem; border: 1px solid var(--line); border-radius: 999px; font-size: .88rem; }
.chip.on { border-color: var(--ok); color: var(--ok); }
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
th { font-weight: 600; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
td.c, th.c { text-align: center; }
tr.off td { opacity: .55; }
tr.me td:first-child::after { content: " (du)"; color: var(--muted); }
.flag { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: .1rem .45rem; border-radius: 5px; color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); margin-left: .4rem; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.plain-form { display: grid; gap: 1rem; }
.plain-fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: .4rem; }