:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #14181f; --muted: #667085; --line: #e3e7ee;
  --ok: #1a7f4b; --bad: #c0392b; --warn: #b7791f; --accent: #2457d6;
  --replay: #667085; --paper: #2457d6; --demo: #b7791f; --live: #c0392b;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1218; --panel: #171b23; --text: #e8ecf3; --muted: #93a0b4; --line: #272d38;
          --ok: #3ecf8e; --bad: #ff6b5e; --warn: #f0b429; --accent: #6b93ff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.hidden { display: none !important; }
.muted { color: var(--muted); } .small { font-size: 12px; } .err { color: var(--bad); }
.spacer { flex: 1; }
header.top { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; letter-spacing: .2px; }
.badge { padding: 2px 10px; border-radius: 999px; color: #fff; font-weight: 700; font-size: 12px; text-transform: uppercase; background: var(--muted); }
.badge.replay { background: var(--replay); } .badge.paper { background: var(--paper); }
.badge.demo { background: var(--demo); } .badge.live { background: var(--live); }
.pill { padding: 2px 10px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.pill.ok { color: var(--ok); border-color: var(--ok); } .pill.bad { color: var(--bad); border-color: var(--bad); } .pill.warn { color: var(--warn); border-color: var(--warn); }
.banner { padding: 10px 16px; background: var(--bad); color: #fff; font-weight: 600; }
.banner.warn { background: var(--warn); color: #111; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; display: grid; gap: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.card, .panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.card { padding: 12px 14px; } .panel { padding: 14px; }
.label { color: var(--muted); font-size: 12px; } .value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pos { color: var(--ok); } .neg { color: var(--bad); }
h2 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 12px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 8px 14px; border-radius: 8px; font-weight: 600; }
button:hover { border-color: var(--accent); }
button.warn { border-color: var(--warn); color: var(--warn); }
button.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
button.ghost { background: transparent; }
#spark { width: 100%; height: 80px; display: block; }
#spark polyline { fill: none; stroke: var(--accent); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 6px 18px; }
.kv { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--line); padding: 3px 0; }
.events { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow: auto; font-size: 12px; }
.events li { padding: 4px 0; border-bottom: 1px solid var(--line); display: flex; gap: 8px; }
.events .lvl { font-weight: 700; min-width: 64px; } .lvl.warning { color: var(--warn); } .lvl.error, .lvl.critical { color: var(--bad); } .lvl.info { color: var(--muted); }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 20; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; width: min(92vw, 380px); display: grid; gap: 10px; }
input[type=password] { padding: 9px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }
/* Mobile layout: compact, touch-friendly dashboard. */
@media (max-width: 720px) {
  body { font-size: 15px; }
  header.top {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px max(12px, env(safe-area-inset-left)) 10px;
  }
  .brand { flex: 0 0 100%; font-size: 18px; }
  .spacer { display: none; }
  #hb { flex: 0 0 100%; }
  .badge, .pill { min-height: 28px; display: inline-flex; align-items: center; }
  .banner { padding: 12px; }
  main {
    width: 100%;
    padding: 12px max(10px, env(safe-area-inset-left)) calc(22px + env(safe-area-inset-bottom));
    gap: 12px;
  }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .card { min-width: 0; padding: 11px 12px; border-radius: 12px; }
  .label { min-height: 2.8em; line-height: 1.35; }
  .value { font-size: clamp(17px, 5vw, 21px); overflow-wrap: anywhere; }
  .panel { min-width: 0; padding: 13px 12px; border-radius: 14px; }
  h2 { font-size: 13px; }
  .controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  button { min-height: 48px; padding: 10px 11px; font-size: 14px; touch-action: manipulation; }
  #btn-kill { grid-column: 1 / -1; }
  .scroll { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; -webkit-overflow-scrolling: touch; }
  #tbl-sym { min-width: 940px; }
  #tbl-pos { min-width: 680px; }
  th, td { padding: 9px 10px; }
  #spark { height: 104px; }
  .grid2 { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .events { max-height: 240px; }
}

@media (max-width: 380px) {
  header.top { gap: 7px; }
  main { padding-right: 9px; padding-left: 9px; }
  .cards { gap: 7px; }
  .card { padding: 10px; }
  .panel { padding: 12px 10px; }
  .controls { gap: 7px; }
  button { padding-right: 8px; padding-left: 8px; font-size: 13px; }
}