:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1c2024;
  --muted: #6b7280;
  --accent: #2563eb;
  --ok: #1a7f37;
  --warn: #b45309;
  --error: #b42318;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; text-decoration: none; color: var(--text); }

.topbar nav { display: flex; align-items: center; gap: 16px; }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--text); }
.topbar .who { color: var(--muted); font-size: 13px; }

main { max-width: 1080px; margin: 0 auto; padding: 24px; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card.narrow { max-width: 460px; margin-inline: auto; }
.card.empty { text-align: center; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.cards .card { margin-bottom: 20px; display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.stat-label { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.stat-value { font-weight: 600; }

label { display: block; margin-bottom: 16px; font-weight: 500; }
label.checkbox { font-weight: 400; display: flex; align-items: center; gap: 8px; }

input[type="text"], input[type="email"], input[type="password"], select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }

.hint { display: block; margin-top: 4px; font-size: 12px; font-weight: 400; color: var(--muted); }

button, .button {
  display: inline-block;
  padding: 9px 16px;
  font: inherit;
  font-weight: 500;
  color: #fff;
  background: var(--accent);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}

button:hover, .button:hover { filter: brightness(1.08); }
button.small { padding: 5px 10px; font-size: 13px; }
button.danger { background: var(--error); }
.button.ghost, button.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }

button.linkish {
  padding: 0; background: none; border: none; color: var(--muted);
  font-weight: 400; cursor: pointer; text-decoration: underline;
}

button.toggle { padding: 4px 12px; font-size: 13px; border-radius: 999px; }
button.toggle.on { background: var(--ok); }
button.toggle.off { background: var(--surface); color: var(--muted); border-color: var(--border); }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.grid { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.grid th, .grid td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.grid th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #fafbfc; }
.grid tbody tr:last-child td { border-bottom: none; }
.grid.compact th, .grid.compact td { padding: 8px 12px; }
.grid td.actions { text-align: right; }

.strong { font-weight: 600; color: var(--text); text-decoration: none; }
.strong:hover { text-decoration: underline; }
.url { font-size: 12px; color: var(--muted); word-break: break-all; }
.url a { color: var(--muted); }
.muted { color: var(--muted); }

.badge { display: inline-block; padding: 2px 9px; font-size: 12px; font-weight: 500; border-radius: 999px; }
.badge-ok { color: var(--ok); background: #e7f5ec; }
.badge-changed { color: var(--warn); background: #fdf3e3; }
.badge-error { color: var(--error); background: #fdecea; }
.badge-neutral { color: var(--muted); background: #eef0f3; }

.flash { padding: 12px 16px; margin-bottom: 20px; border-radius: var(--radius); border: 1px solid transparent; }
.flash-success { color: var(--ok); background: #e7f5ec; border-color: #c3e6d0; }
.flash-error { color: var(--error); background: #fdecea; border-color: #f5c9c4; }
.flash-neutral { color: var(--muted); background: #eef0f3; border-color: var(--border); }
.error-text { color: var(--error); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0 0 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.notes { margin: 0; padding-left: 20px; color: var(--muted); }
.notes li { margin-bottom: 6px; }
.notes strong { color: var(--text); }

code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: #eef0f3; padding: 1px 5px; border-radius: 4px; }

.snapshot {
  max-height: 340px; overflow: auto; padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px;
  white-space: pre-wrap; word-break: break-word;
  background: #fafbfc; border: 1px solid var(--border); border-radius: 8px;
}

hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

@media (max-width: 720px) {
  .page-head { flex-direction: column; }
  .grid, .grid thead, .grid tbody, .grid th, .grid td, .grid tr { display: block; }
  .grid thead { display: none; }
  .grid tr { border-bottom: 1px solid var(--border); }
  .grid td { border: none; padding: 6px 14px; }
  .grid td.actions { text-align: left; padding-bottom: 14px; }
}