:root {
  --ink: #0b0e0c;
  --paper: #121714;
  --paper-2: #181e1a;
  --line: #2c362f;
  --brass: #c6a572;
  --brass-dim: #8d7350;
  --sage: #7dba9a;
  --gap: #e0a04a;
  --intrusion: #d4524a;
  --mute: #8b958f;
  --text: #e7ebe6;
  --shadow: rgba(0, 0, 0, 0.35);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--ink); color: var(--text); }
body {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100%;
}

.rail {
  border-right: 1px solid var(--line);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 400px at -20% -10%, rgba(198, 165, 114, 0.08), transparent 50%),
    var(--ink);
}
.brand { display: flex; gap: 12px; align-items: center; }
.seal {
  width: 40px; height: 40px; border: 1px solid var(--brass);
  border-radius: 50%; display: grid; place-items: center;
  font-family: "Libre Baskerville", serif; color: var(--brass); font-size: 18px;
}
.brand-name {
  font-family: "Libre Baskerville", serif;
  letter-spacing: 0.28em;
  font-size: 15px;
}
.brand-by { font-size: 11px; color: var(--mute); letter-spacing: 0.08em; text-transform: uppercase; }
.tagline {
  font-family: "Libre Baskerville", serif;
  font-style: italic;
  font-size: 13px;
  color: var(--mute);
  line-height: 1.45;
  margin: 28px 0 24px;
}
nav { display: flex; flex-direction: column; gap: 4px; }
nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav a:hover, nav a.active { background: var(--paper-2); color: var(--brass); }
.pill {
  background: var(--intrusion);
  color: white;
  font-size: 10px;
  min-width: 18px;
  padding: 1px 6px;
  border-radius: 99px;
  text-align: center;
}
.pill:empty, .pill.zero { display: none; }
.rail-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--mute);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 4px rgba(125, 186, 154, 0.15);
}
.live-dot.off { background: var(--intrusion); box-shadow: none; }

main { padding: 28px 36px 48px; overflow: auto; }
.top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
h1 {
  font-family: "Libre Baskerville", serif;
  font-weight: 400;
  font-size: 28px;
  margin: 0 0 6px;
}
h2 {
  font-family: "Libre Baskerville", serif;
  font-weight: 400;
  font-size: 18px;
  margin: 0 0 12px;
}
h3 { font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--brass); margin: 28px 0 10px; }
.muted { color: var(--mute); margin: 0; }
.small { font-size: 13px; line-height: 1.5; }
.lead { font-family: "Libre Baskerville", serif; font-size: 15px; line-height: 1.55; color: #c5cdc8; }

.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  border: 1px solid var(--line);
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mute);
}
.badge.on { border-color: var(--sage); color: var(--sage); }
.badge.warn { border-color: var(--gap); color: var(--gap); }
.badge.bad { border-color: var(--intrusion); color: var(--intrusion); }

.banner {
  border: 1px solid var(--gap);
  background: rgba(224, 160, 74, 0.08);
  color: var(--gap);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}
.banner.bad { border-color: var(--intrusion); background: rgba(212, 82, 74, 0.1); color: var(--intrusion); }
.hidden { display: none !important; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 14px 16px;
}
.kpi b { display: block; font-family: "Libre Baskerville", serif; font-size: 26px; font-weight: 400; }
.kpi span { color: var(--mute); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }

.split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 16px; margin-bottom: 16px; }
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 18px;
  margin-bottom: 16px;
}

.floorplan {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1.35fr 1fr;
  grid-template-areas:
    "shop shop"
    "stock office";
  gap: 8px;
  min-height: 280px;
}
.floorplan.tall { min-height: 420px; }
.zone {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.zone.shop { grid-area: shop; }
.zone.stock { grid-area: stock; }
.zone.office { grid-area: office; }
.zone.occupied { border-color: var(--sage); }
.zone.occupied::after {
  content: "";
  position: absolute; inset: auto -20px -20px auto;
  width: 90px; height: 90px; border-radius: 50%;
  background: radial-gradient(circle, rgba(125,186,154,0.28), transparent 70%);
}
.zone.motion { box-shadow: inset 0 0 0 1px var(--gap); }
.zone h3 { margin: 0; text-transform: none; letter-spacing: 0; color: var(--text); font-family: "Libre Baskerville", serif; font-size: 16px; }
.zone .state { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); }
.zone.occupied .state { color: var(--sage); }

.stack { display: flex; flex-direction: column; gap: 8px; }
.slip {
  border: 1px solid var(--line);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.45;
}
.slip.intrusion { border-left: 3px solid var(--intrusion); }
.slip.guardian_gap { border-left: 3px solid var(--gap); }
.slip.node_offline { border-left: 3px solid var(--brass); }
.slip.sensor_fault { border-left: 3px solid var(--mute); }
.slip header { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 4px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); align-items: center; }
.slip button { margin-top: 8px; }
.slip .rationale { color: #d3d9d5; }

.sev { border: 1px solid var(--line); padding: 1px 7px; font-size: 10px; letter-spacing: 0.08em; white-space: nowrap; }
.sev-info { color: var(--mute); }
.sev-low { color: var(--sage); border-color: var(--sage); }
.sev-medium { color: var(--brass); border-color: var(--brass-dim); }
.sev-high { color: var(--gap); border-color: var(--gap); }
.sev-critical { color: #fff; background: var(--intrusion); border-color: var(--intrusion); }

.factors { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.factor {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  border: 1px solid var(--line);
  padding: 1px 6px;
}

.gate { border-color: var(--gap); }
.gate input[type="password"] {
  background: #0e1310;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 10px;
  font: 400 13px "IBM Plex Sans", sans-serif;
  width: 100%;
  max-width: 420px;
}
.gate label { flex-direction: column; align-items: stretch; gap: 6px; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--brass); font-size: 12px; }

.zone.degraded { border-style: dashed; }
.zone .flag { font-size: 11px; color: var(--gap); margin-top: 4px; }

.health { text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; }
.health-live { color: var(--sage); }
.health-stale { color: var(--gap); }
.health-offline { color: var(--intrusion); }
.health-paused, .health-unbound { color: var(--mute); }

button {
  background: var(--brass);
  color: #1a140c;
  border: 0;
  padding: 8px 12px;
  font: 600 12px "IBM Plex Sans", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: var(--intrusion); color: white; }
button:hover { filter: brightness(1.08); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.heatmap { display: grid; grid-template-columns: 36px repeat(48, 1fr); gap: 2px; overflow-x: auto; }
.hm-label { font-size: 10px; color: var(--mute); display: flex; align-items: center; }
.hm-cell { aspect-ratio: 1; min-width: 8px; background: #1c2420; }
.legend { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 11px; color: var(--mute); }
.ramp { width: 120px; height: 8px; background: linear-gradient(90deg, #1c2420, var(--sage)); }

.table, .log { font-size: 13px; }
.row { display: grid; grid-template-columns: 0.9fr 0.9fr 0.8fr 1fr 1.2fr; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.log .row { grid-template-columns: 160px 120px 1fr; }
.row.head { color: var(--mute); text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; }

canvas { width: 100%; background: #0e1310; border: 1px solid var(--line); display: block; margin-bottom: 8px; }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.facts dt { color: var(--mute); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.facts dd { margin: 0; font-family: "Libre Baskerville", serif; }

.rules { padding-left: 18px; line-height: 1.7; color: #c5cdc8; }
.attest { display: flex; flex-direction: column; gap: 10px; }
.attest label { font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
.notice {
  border-left: 2px solid var(--brass);
  margin: 0;
  padding: 8px 14px;
  color: #c5cdc8;
  font-family: "Libre Baskerville", serif;
  font-size: 14px;
  line-height: 1.6;
}
.probe {
  background: #0e1310;
  border: 1px solid var(--line);
  padding: 12px;
  white-space: pre-wrap;
  color: var(--intrusion);
  min-height: 4em;
  font-size: 12px;
}

@media (max-width: 960px) {
  body { grid-template-columns: 1fr; }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); }
  .kpis, .split { grid-template-columns: 1fr; }
}

/* --- floorplate ---------------------------------------------------------- */
.plan { width: 100%; height: auto; display: block; }
.plan .room { transition: fill 400ms ease, stroke 400ms ease; }
.plan .room.motion { animation: room-pulse 1.9s ease-in-out infinite; }
@keyframes room-pulse {
  0%, 100% { stroke: var(--gap); }
  50%      { stroke: var(--sage); }
}
.plan-zone { cursor: pointer; }
.plan-zone:hover .room { stroke: var(--brass); }
.plan-label {
  font: 500 4px "IBM Plex Sans", sans-serif;
  fill: var(--text); text-anchor: middle; pointer-events: none;
}
.plan-sub {
  font: 400 2.6px "IBM Plex Sans", sans-serif;
  fill: var(--mute); text-anchor: middle; pointer-events: none;
  letter-spacing: 0.04em;
}
.plan-warn {
  font: 500 2.6px "IBM Plex Sans", sans-serif;
  fill: var(--gap); text-anchor: middle; pointer-events: none;
}
.plan-door { stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; }
.plan-node .node-dot { fill: var(--brass); }
.plan-node .node-ring { fill: none; stroke: var(--brass-dim); stroke-width: 0.4; opacity: 0.7; }
.plan-node.health-live .node-dot { fill: var(--sage); }
.plan-node.health-live .node-ring { stroke: var(--sage); }
.plan-node.health-stale .node-dot { fill: var(--gap); }
.plan-node.health-offline .node-dot { fill: var(--intrusion); }
.plan-node.health-offline .node-ring { stroke: var(--intrusion); opacity: 1; }

/* --- coverage + notifications -------------------------------------------- */
.explain {
  border-left: 2px solid var(--brass-dim);
  padding: 6px 0 6px 12px;
  margin: 10px 0 0;
  color: var(--mute);
  font-size: 12.5px;
  line-height: 1.55;
}
.meter { height: 6px; background: #1c2420; margin: 8px 0 4px; overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--sage); }
.meter.warn > i { background: var(--gap); }
.meter.bad > i { background: var(--intrusion); }
.chan { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chan span {
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--line); padding: 2px 7px; color: var(--mute);
}
.chan span.on { border-color: var(--sage); color: var(--sage); }
.chan span.off { border-color: var(--intrusion); color: var(--intrusion); }
.cov-figure { display:block; font-family:"Libre Baskerville",serif; font-size:38px; line-height:1.1; }
.rules.small li { margin-bottom: 6px; }