:root {
  --bg: #12140f;
  --bg-2: #1b1f18;
  --ink: #e7e1d1;
  --muted: #9a937f;
  --line: #2c3228;
  --copper: #c9843a;
  --moss: #7f9a62;
  --alert: #c45c3e;
  --card: #181c16;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Sora", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, #2a2418 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 28px 32px 12px;
  gap: 16px;
}
.top > div:first-child {
  flex: 1 1 auto;
  min-width: 0;
}
.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 6px;
}
h1 {
  font-family: "Fraunces", serif;
  font-weight: 650;
  font-size: clamp(15px, 2.5vw, 32px);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.03em;
  white-space: nowrap;
}
h2 {
  font-family: "Fraunces", serif;
  font-size: 22px;
  margin: 0;
}
.panel-head p, .empty, footer p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--muted);
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--alert);
  display: inline-block;
}
.dot.ok { background: var(--moss); }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 8px 32px 20px;
}
.metric {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}
.metric .k {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.metric .v {
  font-size: 24px;
  margin-top: 6px;
}

.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 32px 18px;
}
.filter-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 4px;
}
.chip {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}
.chip.on {
  border-color: var(--copper);
  color: var(--copper);
  background: #241c12;
}

.net-map {
  height: 380px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #0e110c;
  z-index: 1;
}
.net-map .leaflet-container { background: #0e110c; font-family: "Sora", system-ui, sans-serif; }
.net-map .leaflet-popup-content-wrapper,
.net-map .leaflet-popup-tip {
  background: var(--bg-2);
  color: var(--ink);
  border: 1px solid var(--line);
}
.net-map .leaflet-popup-content { margin: 10px 12px; font-size: 13px; }
.net-map .leaflet-div-icon.map-link-x {
  background: transparent !important;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
  width: 28px !important;
  height: 28px !important;
}
.map-link-x-mark {
  display: block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  -webkit-text-stroke: 1.5px #fff;
}

.place-form {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.3fr auto;
  gap: 10px;
  align-items: end;
  margin-top: 14px;
}
.place-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.place-form input#place-token {
  -webkit-text-security: disc;
}
.place-form input, .place-form select {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}
.place-form button {
  font-family: "Sora", system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #16140f;
  background: var(--copper);
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
  height: 38px;
}
.place-msg {
  grid-column: 1 / -1;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--moss);
  min-height: 1em;
}

.radio-tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--line);
}
.radio-wifi { color: var(--copper); border-color: #6a4a22; }
.radio-ble { color: var(--moss); border-color: #3d4a32; }
.radio-probe { color: #6e8ca3; border-color: #3a4a58; }

.panel {
  margin: 0 32px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px 20px;
}
.panel-head { margin-bottom: 14px; }

.corridor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  padding: 18px 8px 8px;
}
.node {
  flex: 0 0 auto;
  width: 210px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  position: relative;
}
.node.online { border-color: #4d6240; }
.node .name {
  font-weight: 600;
  font-size: 15px;
}
.node .role {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--copper);
  margin-top: 2px;
}
.node dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
  margin: 12px 0 0;
}
.node dt {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.node dd {
  margin: 2px 0 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}
.hop {
  flex: 1;
  height: 3px;
  background: var(--moss);
  margin: 0 8px;
  position: relative;
  top: -18px;
}
.hop span {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--moss);
  background: var(--card);
  padding: 0 6px;
  white-space: nowrap;
}
.hop.down {
  background: var(--alert);
}
.hop.down span {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: none;
  background: transparent;
  padding: 0;
  line-height: 1;
  -webkit-text-stroke: 1.5px #fff;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 20px;
  margin: 0 32px 20px;
}
.grid-2 > .panel,
.grid-2 > .col-stack { margin: 0; }
.col-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}
.col-stack > .panel { margin: 0; }

.latest-list { display: flex; flex-direction: column; gap: 8px; }
.latest-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}
.latest-row .n { font-weight: 600; font-size: 14px; }
.latest-row .meta {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.latest-row .radios { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px; }
.latest-row .count { text-align: right; flex: 0 0 auto; }
.latest-row .count .v {
  font-family: "IBM Plex Mono", monospace;
  font-size: 22px;
  line-height: 1;
}
.latest-row .count .k {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 8px 8px 0;
  border-bottom: 1px solid var(--line);
}
td {
  padding: 8px 8px 8px 0;
  border-bottom: 1px solid #24281f;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}
.table-wrap { overflow-x: auto; }
.table-scroll {
  overflow: auto;
  max-height: 360px;
}
.table-scroll thead th {
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 1;
}
.empty { margin: 8px 0 0; }
footer { padding: 8px 32px 32px; }

@media (max-width: 980px) {
  .metrics, .grid-2 { grid-template-columns: 1fr; }
  .table-scroll { max-height: 280px; }
  .corridor { flex-direction: column; gap: 18px; }
  .hop { width: 2px; height: 28px; top: 0; margin: 0; }
  .node { width: 100%; }
  .top, .metrics, .panel, .grid-2, footer, .filter-bar { padding-left: 16px; padding-right: 16px; }
  .panel, .grid-2 { margin-left: 16px; margin-right: 16px; }
  .net-map { height: 280px; }
  .place-form { grid-template-columns: 1fr 1fr; }
  .place-form button { grid-column: 1 / -1; }
}