:root {
  --bg: #f6f7f9;
  --card: #fff;
  --line: #e2e5ea;
  --text: #1c2330;
  --muted: #6b7280;
  --accent: #e8590c;
  --ok: #1a7f37;
  --err: #c92a2a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
h2 { margin: 0 0 12px; }
h3 { margin: 0 0 10px; }
h4 { margin: 14px 0 6px; }
label { display: block; margin: 8px 0; font-size: 14px; }
input, textarea, select { width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; font: inherit; margin-top: 4px; background: #fff; }
textarea { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
button { padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px; background: #fff; cursor: pointer; font: inherit; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button:hover { filter: brightness(0.97); }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }

.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; flex: none; background: #171c26; color: #dbe2ee; padding: 18px 14px; display: flex; flex-direction: column; gap: 16px; }
.brand { font-size: 18px; font-weight: 700; line-height: 1.3; }
.brand span { font-size: 12.5px; font-weight: 400; color: #93a0b4; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a { color: #dbe2ee; text-decoration: none; padding: 8px 10px; border-radius: 6px; font-size: 14px; }
.sidebar nav a.active, .sidebar nav a:hover { background: #242c3d; }
.side-foot { margin-top: auto; }
.side-foot button { width: 100%; background: transparent; color: #dbe2ee; }
.main { flex: 1; padding: 22px 26px; max-width: 1080px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.login-wrap { display: flex; justify-content: center; padding: 8vh 16px; }
.login-card { width: 460px; max-width: 100%; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.error { color: var(--err); }
.ok { color: var(--ok); }
.row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.row label { flex: 1 1 180px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th, .tbl td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl td.actions { white-space: nowrap; }
.tbl td.actions button { padding: 3px 9px; margin-right: 4px; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 12px; background: #eef1f5; }
.tag.st-published { background: #d3f9d8; }
.tag.st-draft { background: #fff3bf; }
.tag.st-rolled_back { background: #e5dbff; }
.tag.op-add { background: #d3f9d8; }
.tag.op-remove { background: #ffe3e3; }
.tag.op-replace { background: #fff3bf; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12.5px; margin: 2px 2px 2px 0; background: #ffe3e3; }
.chip.on { background: #d3f9d8; }
.json { background: #0d1117; color: #d6e2f0; padding: 12px; border-radius: 8px; overflow: auto; font-size: 12.5px; max-height: 420px; }
.kv { margin-bottom: 6px; }

.meter { height: 10px; background: #eef1f5; border-radius: 999px; overflow: hidden; margin: 8px 0; }
.meter-fill { height: 100%; background: #2f6feb; border-radius: 999px; }