:root {
  --bg: #f7f7f5; --fg: #1d1d1b; --muted: #5c5c57; --line: #d5d5cf; --accent: #0b5cad; --danger: #a4161a; --ok: #1e6b34; --card: #fff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161615; --fg: #ececea; --muted: #a8a8a2; --line: #3a3a37; --accent: #6ab0ff; --danger: #ff7b7f; --ok: #7bd88f; --card: #1f1f1d; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 8px; top: 8px; background: var(--card); padding: 6px 10px; z-index: 10; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
h1 { font-size: 1.25rem; margin: 0; }
h1 .sub { font-weight: 400; color: var(--muted); font-size: .9rem; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
h3 { font-size: .95rem; }
main { padding: 0 16px 40px; max-width: 1200px; margin: 0 auto; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin: 16px 0; }
.status { min-height: 1.4em; margin: 8px 16px 0; }
.status.err { color: var(--danger); }
.muted { color: var(--muted); font-weight: 400; font-size: .85rem; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 8px 0; }
.grid { display: grid; grid-template-columns: minmax(140px, 220px) minmax(0, 1fr); gap: 8px 12px; align-items: center; margin-top: 12px; max-width: 760px; }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
fieldset { border: 1px solid var(--line); border-radius: 6px; grid-column: 1 / -1; display: flex; gap: 14px; flex-wrap: wrap; }
input, select, textarea, button, .button { font: inherit; color: inherit; }
input:not([type=checkbox]), select, textarea { width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); }
button, .button { padding: 6px 12px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; display: inline-block; }
@media (prefers-color-scheme: dark) { button, .button { color: #0b0b0a; } }
button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
td button { margin: 0 4px 4px 0; padding: 3px 8px; font-size: .85rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.secret { border: 2px dashed var(--accent); padding: 10px; margin: 10px 0; word-break: break-all; font-family: ui-monospace, Menlo, monospace; }
pre { background: var(--bg); border: 1px solid var(--line); padding: 10px; overflow: auto; max-height: 420px; font-size: .85rem; }
.ok { color: var(--ok); } .bad { color: var(--danger); }