:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1b1f24;
  --muted: #5c6670;
  --line: #d9dee4;
  --accent: #1f5fbf;
  --banner: #5a1e1e;
  --banner-ink: #fff4e5;
  --ok: #1d7a46;
  --warn: #9a6200;
  --bad: #b3261e;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --panel: #1c2026;
    --ink: #e6e9ed;
    --muted: #9aa4ae;
    --line: #2e343c;
    --accent: #7fb0ff;
    --banner: #6b2424;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, Segoe UI, sans-serif; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.banner {
  position: sticky; top: 0; z-index: 10;
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  padding: 8px 16px; background: var(--banner); color: var(--banner-ink);
  letter-spacing: 0.04em;
}
.banner .who { opacity: 0.9; font-family: var(--mono); font-size: 12px; }
.banner .actions-toggle { margin-left: auto; font-size: 13px; }
body.actions-on .banner { outline: 3px solid #f2b705; outline-offset: -3px; }
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 40px); }
.sidebar { border-right: 1px solid var(--line); padding: 12px 0; background: var(--panel); }
.sidebar h2 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 14px 16px 4px; }
.sidebar a { display: block; padding: 6px 16px; text-decoration: none; color: var(--ink); }
.sidebar a.active { background: var(--bg); border-left: 3px solid var(--accent); padding-left: 13px; font-weight: 600; }
main { padding: 16px 20px 48px; min-width: 0; }
h1 { font-size: 20px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 18px 0 6px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; margin-bottom: 14px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.tabs a { padding: 6px 12px; text-decoration: none; border: 1px solid transparent; border-bottom: none; border-radius: 4px 4px 0 0; }
.tabs a.active { background: var(--panel); border-color: var(--line); color: var(--ink); font-weight: 600; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--panel); }
th, td { border-bottom: 1px solid var(--line); padding: 5px 8px; text-align: left; vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.highlight td { background: rgba(242, 183, 5, 0.15); }
.muted { color: var(--muted); }
.note { border-left: 3px solid var(--warn); padding: 6px 10px; background: var(--panel); margin: 8px 0; }
.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 12px; border: 1px solid currentColor; text-decoration: none; }
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }
.badge.bad { color: var(--bad); }
.error { color: var(--bad); }
input, select, button { font: inherit; padding: 5px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); color: var(--ink); }
button { cursor: pointer; }
button.danger { border-color: var(--bad); color: var(--bad); }
.write { display: none; }
body.actions-on .write { display: inline-block; }
pre.json { background: var(--panel); border: 1px solid var(--line); padding: 10px; overflow: auto; max-height: 420px; font-family: var(--mono); font-size: 12px; }
.estimate { border: 2px dashed var(--warn); padding: 8px 10px; font-weight: 600; color: var(--warn); margin-bottom: 10px; }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; padding: 6px; }
  .sidebar h2 { display: none; }
  .sidebar a { padding: 4px 8px; }
  main { padding: 12px 16px 40px; }
}