:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1c2230;
  --muted: #667085;
  --border: #e3e6eb;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --danger: #c62828;
  --ok: #1f9d55;
  --warn: #b7791f;
  --chip: #eef1f5;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --panel: #171b23;
    --text: #e6e8ec;
    --muted: #98a2b3;
    --border: #2a303b;
    --accent: #4f8cff;
    --chip: #232937;
    --danger: #ef5350;
    --ok: #34c77b;
    --warn: #e0a43a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 18px 0 8px; }
a { color: var(--accent); }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* Layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand { font-weight: 700; font-size: 15px; padding: 4px 10px 16px; }
.brand span { display: block; font-weight: 400; font-size: 12px; color: var(--muted); }
.nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}
.nav a:hover { background: var(--chip); }
.nav a.active { background: var(--accent); color: var(--accent-text); }
.sidebar .who { margin-top: auto; padding: 10px; border-top: 1px solid var(--border); font-size: 13px; }
main { padding: 28px 32px; max-width: 1280px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; border-right: 0; border-bottom: 1px solid var(--border); }
  .nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar .who { margin: 0 0 0 auto; border: 0; }
  main { padding: 18px 14px; }
}

/* Panels & stats */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.panel.flush { padding: 0; overflow-x: auto; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 18px; }
a.stat { color: inherit; text-decoration: none; }
a.stat:hover { border-color: var(--accent); }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.stat .value { font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat .label { color: var(--muted); font-size: 13px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; white-space: nowrap; }
/* Status-dot and action columns (empty header) shrink to their content */
th:empty { width: 1%; }
td .sub { display: block; color: var(--muted); font-size: 12px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* Controls */
button, .btn {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
}
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.danger { color: var(--danger); }
button.danger.solid { background: var(--danger); border-color: var(--danger); color: #fff; }
button.small { padding: 4px 9px; font-size: 13px; }
button:disabled { opacity: .55; cursor: default; }
td.actions button + button { margin-left: 6px; }

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  width: 100%;
}
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="checkbox"] { width: auto; }
label { display: block; font-weight: 550; margin-bottom: 12px; }
label > input, label > select, label > textarea { margin-top: 4px; font-weight: 400; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > input, .row > select { width: auto; flex: 1; min-width: 140px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input, .toolbar select { width: auto; min-width: 200px; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
/* Chips without a remove button need symmetric padding */
.chip:not(:has(button)) { padding-right: 10px; }
.mt { margin-top: 12px; }
.error { color: var(--danger); margin: 0 0 10px; min-height: 1em; }

/* Badges */
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--chip); color: var(--muted); white-space: nowrap; }
.badge.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.danger { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.badge.accent { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.badge + .badge { margin-left: 4px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--border); margin-right: 6px; }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: var(--chip); border-radius: 999px; padding: 3px 4px 3px 10px; font-size: 13px; }
.chip button { border: 0; background: transparent; padding: 0 6px; line-height: 1; color: var(--muted); }

/* Dialog */
dialog {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0;
  width: min(560px, calc(100vw - 24px));
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 20px 50px rgb(0 0 0 / 25%);
}
dialog::backdrop { background: rgb(15 18 24 / 45%); }
dialog .dlg-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
dialog .dlg-head h2 { margin: 0; }
dialog .dlg-body { padding: 18px 20px; max-height: 70vh; overflow: auto; }
dialog section + section { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 4px; }
.qr { display: block; margin: 8px auto; border-radius: 8px; background: #fff; padding: 6px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login { width: min(380px, 100%); }
.login h1 { margin-bottom: 18px; }

/* Misc */
pre.json { white-space: pre-wrap; word-break: break-word; background: var(--chip); padding: 12px; border-radius: 8px; margin: 0; font-size: 12.5px; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 12px 14px; border-top: 1px solid var(--border); }
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 10; }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 360px; }
.toast.err { background: var(--danger); color: #fff; }