:root {
  --bg: #f5f6f8; --panel: #ffffff; --panel2: #f0f2f5; --line: #dde1e7; --text: #1b1f24; --muted: #667080;
  --accent: #2563eb; --accent-text: #fff; --ok: #16a34a; --ok-bg: #dcfce7; --warn: #b45309; --warn-bg: #fef3c7;
  --bad: #dc2626; --bad-bg: #fee2e2; --code: #eef1f5;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --panel: #161a20; --panel2: #1c2129; --line: #2a313b; --text: #e6e9ee; --muted: #8b95a5;
    --accent: #3b82f6; --ok: #22c55e; --ok-bg: #0f2e1b; --warn: #f59e0b; --warn-bg: #33260b;
    --bad: #ef4444; --bad-bg: #3a1414; --code: #1f252e;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 15px; margin: 28px 0 10px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
h3 { font-size: 14px; margin: 0; }
code { font-family: var(--mono); font-size: 12.5px; background: var(--code); padding: 2px 6px; border-radius: 4px;
  word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 600; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }

/* header */
.top { display: flex; align-items: center; gap: 24px; padding: 10px 24px; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--bad); display: inline-block;
  box-shadow: 0 0 0 3px var(--bad-bg); }
.top nav { display: flex; gap: 18px; flex: 1; flex-wrap: wrap; }
.top nav a { color: var(--text); }
.me { display: flex; align-items: center; gap: 8px; }
main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 60px; }
.pagehead { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin: 6px 0 12px;
  flex-wrap: wrap; }
.pagehead p { margin: 4px 0 0; }

/* controls */
.btn { display: inline-block; border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  padding: 7px 14px; border-radius: 6px; font: inherit; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.btn.small { padding: 3px 9px; font-size: 12px; }
.btn.ghost { background: transparent; }
.btn.ok { color: var(--ok); border-color: var(--ok); }
button.link { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
input, select { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 10px; width: 100%; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: 8px; }
label.check input { width: auto; }
.hint { font-weight: 400; font-size: 12px; color: var(--muted); }
form.inline { display: inline; }
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row input, .row select { width: auto; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.narrow { max-width: 560px; }
.actions { display: flex; gap: 10px; margin-top: 4px; }

/* cards & tables */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 12px; }
.cardhead { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; }
.copyrow { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 10px; }
.copyrow code { flex: 1; padding: 6px 8px; }
.tablewrap { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; }
.grid th, .grid td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.grid th { font-size: 12px; font-weight: 600; color: var(--muted); background: var(--panel2); }
.grid tr:last-child td { border-bottom: 0; }
.grid tr.clickable { cursor: pointer; }
.grid tr.clickable:hover td { background: var(--panel2); }
.num { text-align: right !important; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.bad { color: var(--bad); font-weight: 600; }
td.warn { color: var(--warn); }
table.kv { width: 100%; border-collapse: collapse; }
.kv th { text-align: left; font-weight: 500; color: var(--muted); padding: 4px 10px 4px 0; width: 120px;
  vertical-align: top; white-space: nowrap; }
.kv td { padding: 4px 0; }
.kv td:last-child { width: 1%; padding-left: 8px; }

/* badges */
.badge { font-size: 11px; font-weight: 700; letter-spacing: .05em; padding: 3px 8px; border-radius: 4px;
  background: var(--panel2); color: var(--muted); }
.badge.live { background: var(--ok-bg); color: var(--ok); }
.badge.idle { background: var(--bad-bg); color: var(--bad); }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--panel2); color: var(--muted);
  margin-left: 6px; }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.state { font-weight: 600; font-size: 12px; }
.state.up { color: var(--ok); }
.state.waiting { color: var(--warn); }
.state.down { color: var(--bad); }
.dir { font-size: 11px; font-weight: 700; padding: 2px 6px; border-radius: 4px; }
.dir.in { background: var(--ok-bg); color: var(--ok); }
.dir.out { background: var(--panel2); color: var(--accent); }

.pill.bad { background: var(--bad-bg); color: var(--bad); }
.alert { border-left: 4px solid var(--warn); background: var(--warn-bg); border-radius: 6px; padding: 10px 14px;
  margin: 0 0 10px; }
.alert.error { border-color: var(--bad); background: var(--bad-bg); }
.alert.info { border-color: var(--accent); background: var(--panel2); }
.alert p { margin: 4px 0 0; }
.card.mode { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.card.mode > div { flex: 1; min-width: 260px; }
.card.mode p { margin: 6px 0 0; }
.boxload { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 4px 0 12px; }
.gauge { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 4px; }
.glabel { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.gvalue { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.gbar { height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; }
.gfill { height: 100%; width: 0; background: var(--ok); transition: width .4s; }
.gauge.warn .gfill { background: var(--warn); }
.gauge.bad .gfill { background: var(--bad); }
.gauge.warn .gvalue { color: var(--warn); }
.gauge.bad .gvalue { color: var(--bad); }
.thumbwrap { display: flex; align-items: flex-end; gap: 10px; margin: 0 0 10px; flex-wrap: wrap; }
.thumbbox { width: 320px; max-width: 100%; aspect-ratio: 16 / 9; background: #000; border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.thumbbox img { width: 100%; height: 100%; object-fit: contain; }
img.thumbsm { width: 96px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 4px; background: #000; display: block; }
.alertbar { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }
.abtn { font: inherit; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 14px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel2); color: var(--text); }
.abtn.error { background: var(--bad-bg); color: var(--bad); border-color: var(--bad-bg); }
.abtn.warn { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-bg); }
.abtn.info { color: var(--accent); }
.abtn:hover { border-color: currentColor; }
.abtn.active { border-color: currentColor; box-shadow: 0 0 0 1px currentColor inset; }
h2.sechead { display: flex; align-items: center; gap: 12px; }
h2.sechead .btn { text-transform: none; letter-spacing: 0; }
.flash { background: var(--warn-bg); color: var(--text); border-left: 3px solid var(--warn); padding: 10px 14px;
  border-radius: 6px; margin-bottom: 12px; }
.notice { border-color: var(--ok); margin-bottom: 16px; }
.dangerzone { margin-top: 40px; padding-top: 10px; border-top: 1px dashed var(--line); }
.dangerzone input { max-width: 280px; }
.login { max-width: 360px; margin: 12vh auto 0; }
.login h1 { justify-content: center; margin-bottom: 4px; }
.login > p { text-align: center; margin: 0 0 18px; }

@media (max-width: 640px) {
  main { padding: 16px; }
  .top { padding: 10px 16px; gap: 10px; }
  .cards { grid-template-columns: 1fr; }
  .row { flex-wrap: wrap; }
}