/*
 * Ops Console — layout only; identity colors from /ui/tokens.css (#417).
 * Aesthetic: dark control-room terminal. Phosphor-green = healthy, amber = flap.
 */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

/* Subtle scanline / grid atmosphere */
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 120% 90% at 70% 0%, #000 35%, transparent 100%);
}

/* ── Sidebar ─────────────────────────────────────────── */
.sidebar {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, var(--surface) 0%, #0d1116 100%);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 22px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 6px 22px;
  text-decoration: none;
  color: inherit;
}
.brand:hover .brand-title { color: var(--ok); }
.brand-mark {
  font-size: 22px; color: var(--ok);
  text-shadow: 0 0 14px rgba(87, 227, 137, 0.55);
  animation: breathe 3.4s ease-in-out infinite;
}
@keyframes breathe { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-family: var(--disp); font-weight: 700; letter-spacing: 2.5px; font-size: 14px; }
.brand-sub { font-size: 10.5px; color: var(--ink-faint); letter-spacing: 1px; margin-top: 2px; }

.nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-section-label {
  font-size: 9.5px; letter-spacing: 2px; color: var(--ink-faint);
  margin: 18px 8px 6px; font-weight: 600;
}
.nav-section-label:first-child { margin-top: 4px; }

.nav-item {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r);
  color: var(--ink-dim);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.nav-item:hover:not(.disabled) { background: var(--surface-2); color: var(--ink); }
.nav-item.active {
  background: var(--ok-soft);
  color: var(--ink);
  border-color: rgba(87, 227, 137, 0.3);
}
.nav-item.active::before {
  content: ""; position: absolute; left: -16px; top: 8px; bottom: 8px;
  width: 3px; background: var(--ok); border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px var(--ok);
}
.nav-item.disabled { opacity: .42; cursor: not-allowed; }
.nav-glyph { font-size: 14px; text-align: center; }
.nav-text { font-size: 13px; }
.nav-en { font-size: 9px; color: var(--ink-faint); letter-spacing: 1px; grid-column: 2; margin-top: -2px; }
.nav-soon {
  font-size: 8px; letter-spacing: 1px; color: var(--warn);
  border: 1px solid var(--warn-soft); padding: 1px 4px; border-radius: 3px;
}

.sidebar-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.build-line { font-size: 10px; color: var(--ink-faint); margin-bottom: 10px; letter-spacing: .5px; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 10px; color: var(--ink-dim); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.dot.off { background: var(--off); }
.dot.warn { background: var(--warn); box-shadow: 0 0 6px var(--warn); }
.dot.reboot { background: var(--bad); box-shadow: 0 0 6px var(--bad); }
.dot.stream { background: var(--stream); box-shadow: 0 0 6px var(--stream); }

/* ── Main ────────────────────────────────────────────── */
.main {
  position: relative;
  z-index: 1;
  padding: 0 30px 40px;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.main > .u-chrome {
  margin: 0 -30px 0;
  width: calc(100% + 60px);
}
.main > .topbar { padding-top: 18px; }

.topbar {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--line);
}
.view-title {
  font-family: var(--disp); font-weight: 700; font-size: 26px;
  letter-spacing: 1px; margin: 0;
}
.view-title-en { color: var(--ink-faint); font-size: 14px; font-weight: 500; margin-left: 10px; letter-spacing: 2px; }
.view-desc { margin: 6px 0 0; color: var(--ink-dim); font-size: 12.5px; }
.view-desc code { color: var(--ok); background: var(--ok-soft); padding: 1px 5px; border-radius: 3px; }

.topbar-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.clock {
  font-size: 15px; letter-spacing: 2px; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.refresh-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  color: var(--ink-dim); font-family: var(--mono); font-size: 11px; letter-spacing: 1px;
  padding: 7px 12px; border-radius: var(--r); cursor: pointer; transition: all .15s;
}
.refresh-toggle:hover { border-color: var(--ok); color: var(--ink); }
.refresh-toggle .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--off); }
.refresh-toggle.live { color: var(--ink); border-color: rgba(87,227,137,.35); }
.refresh-toggle.live .pulse { background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.8); } }

/* Stat row */
.stat-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin: 22px 0; }
.stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); padding: 16px 18px; position: relative; overflow: hidden;
}
.stat::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--line-soft);
}
.stat[data-k="online"]::after { background: var(--ok); box-shadow: 0 0 12px var(--ok); }
.stat[data-k="avail"]::after { background: var(--ok); }
.stat[data-k="flaps"]::after { background: var(--warn); }
.stat[data-k="sensor"]::after { background: var(--ink-faint); }
/* Sensor-alarm stat lights up red only when at least one node is alarming. */
.stat[data-k="sensor"].alarm::after { background: var(--bad); box-shadow: 0 0 12px var(--bad); }
.stat[data-k="sensor"].alarm .stat-v { color: var(--bad); }
.stat-v { font-family: var(--disp); font-weight: 700; font-size: 34px; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-l { color: var(--ink-dim); font-size: 11px; letter-spacing: 1px; margin-top: 8px; }

/* Panels */
.panels { display: grid; grid-template-columns: 1.55fr 1fr; gap: 16px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 18px; border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.panel-head h2 { font-family: var(--disp); font-size: 14px; font-weight: 600; letter-spacing: 1px; margin: 0; }
.panel-en { color: var(--ink-faint); font-size: 9.5px; letter-spacing: 2px; margin-left: 8px; }
.panel-meta { font-size: 11px; color: var(--ink-dim); }

/* Device table */
.table-wrap { overflow-x: auto; }
.dev-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.dev-table th {
  text-align: left; padding: 10px 14px; color: var(--ink-faint);
  font-weight: 500; font-size: 10px; letter-spacing: 1px; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.dev-table th, .dev-table td { vertical-align: top; }
.dev-table th.num, .dev-table td.num { text-align: right; }
.dev-table th.ota-col, .dev-table td.ota-col { text-align: right; }
.dev-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.dev-table tbody tr { transition: background .12s; }
.dev-table tbody tr:hover { background: var(--surface-2); }
.dev-table tbody tr:last-child td { border-bottom: none; }
.dev-id { color: var(--ink); font-weight: 500; }
.dev-board { color: var(--ink-faint); font-weight: 400; font-size: 11px; letter-spacing: .3px; margin-top: 2px; }
/* Voxel-scene markers: camera glyph next to the MAC + a scene-recording line. */
.scene-tag { margin-left: 5px; font-size: 11px; opacity: .85; }
.dev-rec { font-weight: 500; font-size: 11px; letter-spacing: .3px; margin-top: 2px; }
.dev-rec.rec-idle { color: var(--ink-faint); }
.dev-rec.rec-on { color: #ff5a5a; }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: .5px; }
.badge .dot { animation: none; }
.badge.online { color: var(--ok); }
.badge.online .dot { animation: pulse 1.8s ease-in-out infinite; }
.badge.offline { color: var(--ink-dim); }
/* Sensor-health badge: colour follows its dot state; dim when the node is
   offline (the reading is last-known, not live). */
.badge.sensor { color: var(--ink-dim); }
.badge.sensor:has(.dot.ok) { color: var(--ok); }
.badge.sensor:has(.dot.warn) { color: var(--warn); }
.badge.sensor:has(.dot.off) { color: var(--bad); }
.badge.sensor.idle { opacity: .55; }
.muted { color: var(--ink-faint); }

.uptime { color: var(--ink); font-variant-numeric: tabular-nums; }
.uptime.idle { color: var(--ink-faint); }
.fw { color: var(--ink-dim); font-size: 11.5px; }
.cnt { color: var(--ink); font-variant-numeric: tabular-nums; }
.cnt.warn { color: var(--warn); }
.rel { color: var(--ink-dim); font-size: 11.5px; }

/* Event stream */
.event-stream { list-style: none; margin: 0; padding: 6px 0; max-height: 560px; overflow-y: auto; }
.event-stream li {
  display: grid; grid-template-columns: 70px 14px 1fr; align-items: baseline; gap: 10px;
  padding: 7px 18px; font-size: 12px; border-left: 2px solid transparent;
}
.event-stream li.connect { border-left-color: var(--ok); }
.event-stream li.disconnect { border-left-color: var(--off); }
.event-stream li.disconnect.unclean { border-left-color: var(--warn); }
.ev-time { color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.ev-glyph { font-weight: 600; }
.ev-glyph.up { color: var(--ok); }
.ev-glyph.down { color: var(--off); }
.ev-glyph.down.unclean { color: var(--warn); }
.ev-body { color: var(--ink-dim); }
.ev-body b { color: var(--ink); font-weight: 500; }
.ev-meta { color: var(--ink-faint); font-size: 10.5px; margin-left: 6px; }

.date-pick {
  background: var(--bg); border: 1px solid var(--line-soft); color: var(--ink);
  font-family: var(--mono); font-size: 11px; padding: 5px 8px; border-radius: var(--r);
  color-scheme: dark;
}
.empty-row, .empty-row td { color: var(--ink-faint); text-align: center; padding: 26px !important; font-size: 12px; }

/* Home nodes (Line B) — full-width panel below the connectivity panels */
.panel-homenodes { margin-top: 16px; }
.ota {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .5px;
  padding: 2px 7px; border-radius: 3px; white-space: nowrap;
}
.ota.ok { color: var(--ok); background: var(--ok-soft); border: 1px solid rgba(87, 227, 137, 0.3); }
.ota.pending { color: var(--warn); background: var(--warn-soft); border: 1px solid var(--warn-soft); }

/* ── View switching ──────────────────────────────────── */
.view[hidden] { display: none; }

/* Voxel view: node table wider than the firmware side panel */
.voxel-panels { grid-template-columns: 1.7fr 1fr; }

/* Selectable node rows (click → presence timeline) */
.dev-table tbody tr.selectable { cursor: pointer; }
.dev-table tbody tr.selected { background: var(--ok-soft); }
.dev-table tbody tr.selected td { border-bottom-color: rgba(87, 227, 137, 0.25); }
.dev-table tbody tr.selected .dev-id { color: var(--ok); }

/* Firmware version distribution */
.fw-dist { padding: 10px 14px 4px; display: flex; flex-direction: column; gap: 9px; }
.fw-row { display: grid; grid-template-columns: 1fr auto; gap: 8px 10px; align-items: center; }
.fw-row .fw-ver { font-size: 12px; color: var(--ink); font-variant-numeric: tabular-nums; }
.fw-row .fw-n { font-size: 11.5px; color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.fw-bar { grid-column: 1 / -1; height: 5px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.fw-bar > i { display: block; height: 100%; background: var(--off); border-radius: 3px; }
.fw-row.latest .fw-ver { color: var(--ok); }
.fw-row.latest .fw-bar > i { background: var(--ok); box-shadow: 0 0 8px var(--ok-soft); }
.fw-tag { font-size: 9px; letter-spacing: .5px; padding: 1px 5px; border-radius: 3px; margin-left: 6px; }
.fw-tag.ok { color: var(--ok); background: var(--ok-soft); }
.fw-tag.old { color: var(--warn); background: var(--warn-soft); }

.newnode-foot {
  display: flex; align-items: baseline; gap: 8px;
  padding: 12px 16px; margin-top: 4px; border-top: 1px solid var(--line);
}
.newnode-k { font-family: var(--disp); font-weight: 700; font-size: 22px; color: var(--ink); font-variant-numeric: tabular-nums; }
.newnode-l { font-size: 11px; color: var(--ink-dim); letter-spacing: .5px; }

/* ── Node-detail row: latest thermal frame + presence timeline ───── */
/* 320px heatmap (left) + flexible timeline (right). Reuses .panels so the
   <1080px media rule collapses it to one column. */
.detail-panels { grid-template-columns: 320px 1fr; margin-top: 16px; }
.detail-panels .panel-chart { margin-top: 0; }

/* ── Latest thermal frame (per-node heatmap) ─────────── */
.therm-host { padding: 14px; display: flex; flex-direction: column; gap: 10px; min-height: 168px; }
.therm-empty {
  display: flex; align-items: center; justify-content: center;
  flex: 1; min-height: 140px; color: var(--ink-faint); font-size: 12px; letter-spacing: .5px;
  text-align: center;
}
/* 32×24 sensor grid, crisp nearest-neighbour upscale to the panel width. */
.therm-canvas {
  width: 100%; aspect-ratio: 32 / 24; image-rendering: pixelated;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--bg);
  display: block;
}
.therm-scale { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--ink-dim); }
.therm-scale .bar {
  flex: 1; height: 8px; border-radius: 2px; border: 1px solid var(--line);
  /* inferno-ish gradient, matches the canvas colormap stops */
  background: linear-gradient(90deg, #000004, #420a68, #932667, #dd513a, #fca50a, #fcffa4);
}
.therm-scale .lo, .therm-scale .hi { font-variant-numeric: tabular-nums; min-width: 44px; }
.therm-scale .hi { text-align: right; color: var(--ink); }

.therm-foot { display: flex; justify-content: flex-end; align-items: center; }
.therm-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer; user-select: none;
}
.therm-toggle-text {
  font-size: 10.5px; letter-spacing: .5px; color: var(--ink-dim);
  transition: color .12s;
}
.therm-toggle-en {
  margin-left: 5px; font-size: 9px; letter-spacing: 1.2px; color: var(--ink-faint);
}
.therm-toggle.on .therm-toggle-text { color: var(--ink); }
.therm-toggle input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.therm-switch {
  position: relative; flex-shrink: 0;
  width: 34px; height: 18px;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  border-radius: 9px; transition: background .15s, border-color .15s;
}
.therm-switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--off); transition: left .15s, background .15s, box-shadow .15s;
}
.therm-toggle input:checked + .therm-switch {
  background: var(--ok-soft); border-color: rgba(87, 227, 137, 0.35);
}
.therm-toggle input:checked + .therm-switch::after {
  left: 18px; background: var(--ok); box-shadow: 0 0 6px var(--ok);
}
.therm-canvas.smooth { image-rendering: auto; }

/* ── Presence timeline chart ─────────────────────────── */
.panel-chart { margin-top: 16px; }
.chart-meta {
  padding: 9px 18px; font-size: 11.5px; color: var(--ink-dim);
  border-bottom: 1px solid var(--line); background: var(--surface);
  letter-spacing: .3px; min-height: 16px;
}
.chart-meta b { color: var(--ink); font-weight: 600; }
.chart-host { padding: 8px 14px 12px; min-height: 136px; position: relative; }
.chart-empty {
  display: flex; align-items: center; justify-content: center;
  height: 160px; color: var(--ink-faint); font-size: 12px; letter-spacing: .5px;
}

/* Segmented window selector (24h / 7d / 30d) */
.seg { display: inline-flex; border: 1px solid var(--line-soft); border-radius: var(--r); overflow: hidden; }
.seg button {
  background: var(--surface-2); border: none; color: var(--ink-dim);
  font-family: var(--mono); font-size: 11px; letter-spacing: .5px;
  padding: 5px 11px; cursor: pointer; transition: background .12s, color .12s;
  border-left: 1px solid var(--line-soft);
}
.seg button:first-child { border-left: none; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--ok-soft); color: var(--ok); }

/* Inline SVG presence timeline — three equal-height ribbon lanes (推流 / 在线 /
   重启) on a shared time axis. Each lane has a faint full-window track; bright
   bars mark where that signal was present. A 在线 bar with no 推流 bar above it
   = node up but 掉帧. */
svg.timeline { display: block; }
svg.timeline .grid { stroke: var(--line); stroke-width: 1; }
svg.timeline .xlab, svg.timeline .ylab {
  fill: var(--ink-faint); font-family: var(--mono); font-size: 9.5px;
}
svg.timeline .ylab { fill: var(--ok); }
svg.timeline .ylab.stream { fill: var(--stream); }
svg.timeline .ylab.ver { fill: var(--ink-dim); }
svg.timeline .ylab.reboot { fill: var(--bad); }
/* Lane tracks (window backdrop) + their present-signal bars. The 版本 lane's
   bars are coloured per firmware version inline (see versionColor). */
svg.timeline .lanetrack.streamtrack { fill: var(--stream-soft); }
svg.timeline .lanetrack.ontrack { fill: var(--ok-soft); }
svg.timeline .lanetrack.vertrack { fill: rgba(139, 154, 147, 0.10); }
svg.timeline .lanetrack.reboottrack { fill: rgba(240, 115, 106, 0.10); }
svg.timeline .streamblk { fill: var(--stream); }
svg.timeline .onblk { fill: var(--ok); }
svg.timeline .rebootblk { fill: var(--bad); }
/* Recording / person-present overlay along the bottom of the 推流 lane. */
svg.timeline .recblk { fill: #ff5a5a; stroke: rgba(0,0,0,.35); stroke-width: .5; }
svg.timeline [data-tip] { transition: opacity .1s; }
svg.timeline [data-tip]:hover { opacity: .82; }
/* Streaming coverage callout in the chart meta line when frames are dropping. */
#chartMeta .stream-low { color: var(--warn); }
#chartMeta .rec-meta { color: #ff8a7a; }
/* Floating hover tooltip over the timeline lanes. */
.tl-tip {
  position: absolute; z-index: 6; pointer-events: none; display: none;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  border-radius: 5px; padding: 5px 8px; max-width: 220px;
  font: 400 11px/1.5 var(--mono); color: var(--ink);
  letter-spacing: .3px; white-space: pre-line;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

/* Session list under the chart — "历史汇报的时间和时长" */
.chart-sessions { padding: 0 14px 12px; }
.chart-sessions:empty { padding: 0; }
.cs-head {
  font-size: 10px; letter-spacing: 1.5px; color: var(--ink-faint);
  text-transform: uppercase; padding: 10px 4px 6px; border-top: 1px solid var(--line);
}
.cs-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 5px 6px; font-size: 12px; border-left: 2px solid var(--off);
  border-bottom: 1px solid var(--line);
}
.cs-row:last-child { border-bottom: none; }
.cs-row.live { border-left-color: var(--ok); }
.cs-time { color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.cs-row.live .cs-time { color: var(--ink); }
.cs-dur { color: var(--ink); font-variant-numeric: tabular-nums; }
.cs-row.live .cs-dur { color: var(--ok); }
.cs-more { font-size: 11px; color: var(--ink-faint); padding: 8px 6px 0; }

/* Scrollbar */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--line-soft); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

@media (max-width: 1080px) {
  .panels { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}

/* ── targeted OTA re-pin: row button + modal ─────────────────── */
.ota-cell { display: inline-flex; align-items: center; gap: 8px; }
.ota-push {
  font: 500 11px var(--mono);
  color: var(--ink-dim);
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 2px 8px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.ota-push:hover { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.ota-reboot {
  font: 500 13px var(--mono);
  line-height: 1;
  color: var(--ink-dim);
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 2px 7px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.ota-reboot:hover { color: var(--bad); border-color: var(--bad); background: rgba(240, 115, 106, 0.12); }
/* Armed: a reboot is queued but the node hasn't polled to pick it up yet. */
.ota-reboot.queued { color: var(--bad); border-color: var(--bad); background: rgba(240, 115, 106, 0.12); }

/* Room labeling: inline assign button (matches the reboot glyph button) +
   the device tag line under the MAC. */
.room-assign {
  font: 500 12px var(--mono);
  line-height: 1;
  color: var(--ink-dim);
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 2px 7px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.room-assign:hover { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.dev-tag {
  color: var(--ok); font-family: var(--mono); font-weight: 500;
  font-size: 11px; letter-spacing: .3px; margin-top: 2px;
}
.dev-tag.inline {
  display: inline-block; margin: 0 4px 0 0; padding: 1px 6px;
  background: var(--ok-soft); border-radius: 3px;
}
/* Section-divider row above a room's nodes (and the UNASSIGNED group). */
.dev-table tr.room-header td {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink-dim); font-weight: 600;
  font-size: 11px; letter-spacing: .4px; padding: 8px 14px;
}
.dev-table tr.room-header:hover td { background: var(--surface-2); }
.dev-table tr.room-header code { color: var(--ok); }
.field-hint { color: var(--ink-faint); font: 400 10.5px var(--mono); margin-top: 3px; }

.modal-backdrop {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5, 7, 10, 0.72);
  backdrop-filter: blur(2px);
}
.modal-backdrop[hidden] { display: none; }
.modal {
  width: min(440px, 92vw);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 20px 22px 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.modal-head { display: flex; align-items: baseline; justify-content: space-between; }
.modal-head h3 { margin: 0; font: 600 16px var(--disp); color: var(--ink); }
.modal-en { font: 500 10px var(--mono); color: var(--ink-faint); letter-spacing: .08em; margin-left: 8px; }
.modal-x {
  background: none; border: none; color: var(--ink-faint);
  font-size: 20px; line-height: 1; cursor: pointer; padding: 0 2px;
}
.modal-x:hover { color: var(--ink); }
.modal-desc { margin: 10px 0 16px; font: 400 12px var(--mono); color: var(--ink-dim); line-height: 1.55; }
.modal-desc strong { color: var(--ink); }
.modal-field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.modal-field span { font: 500 11px var(--mono); color: var(--ink-dim); letter-spacing: .03em; }
.modal-field input, .modal-field select {
  font: 400 13px var(--mono);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  padding: 7px 9px;
}
.modal-field input:focus, .modal-field select:focus { outline: none; border-color: var(--ok); }
.modal-field input[readonly] { color: var(--ink-dim); }
.modal-msg { min-height: 18px; margin: 4px 0 12px; font: 400 12px var(--mono); color: var(--warn); }
.modal-actions { display: flex; align-items: center; gap: 10px; }
.modal-actions .spacer { flex: 1; }
.btn {
  font: 600 12px var(--mono); cursor: pointer;
  border-radius: var(--r); padding: 8px 16px;
  border: 1px solid var(--line-soft); background: var(--surface-2); color: var(--ink-dim);
  transition: color .15s, border-color .15s, background .15s;
}
.btn:hover { color: var(--ink); }
.btn.primary { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.btn.primary:hover { background: var(--ok); color: var(--bg); }
.btn.danger { border-color: var(--bad); color: var(--bad); background: rgba(240, 115, 106, 0.12); }
.btn.danger:hover { background: var(--bad); color: var(--bg); }
.btn.ghost:hover { border-color: var(--warn); color: var(--warn); }

/* ── scene cameras (voxel carve inputs) ─────────────────── */
.panel-scenecams { margin: 0 0 16px; }
.scene-lock-card {
  margin: 0 18px 12px; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: var(--r); background: var(--surface-2);
}
.scene-lock-card .sl-head {
  font: 700 12px var(--disp); letter-spacing: .5px; color: var(--ink-dim);
  margin-bottom: 10px;
}
.scene-lock-card .sl-head .panel-en { font: 500 9px var(--mono); margin-left: 8px; color: var(--ink-faint); }
.scene-lock-card .sl-grid { display: grid; grid-template-columns: 72px 1fr; gap: 6px 12px; align-items: baseline; }
.scene-lock-card .sl-k { font: 600 10px var(--mono); color: var(--ink-faint); letter-spacing: .3px; }
.scene-lock-card .sl-v { font-size: 11.5px; color: var(--ink); word-break: break-all; }
.scene-lock-card .sl-v.sl-mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.scene-lock-card .sl-v.warn { color: var(--warn); }
.scenecam-row {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(150px, 1fr);
  gap: 14px; padding: 16px 18px; overflow-x: auto;
}
.scenecam {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface-2); padding: 10px; min-width: 0;
}
.sc-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.sc-slot {
  font: 700 11px var(--disp); letter-spacing: 1px; color: var(--bg);
  background: var(--sc, var(--ink-dim)); border-radius: 3px; padding: 2px 7px;
  box-shadow: 0 0 8px color-mix(in srgb, var(--sc) 55%, transparent); white-space: nowrap;
}
.sc-mac {
  font-size: 11px; color: var(--ink-dim); font-variant-numeric: tabular-nums;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sc-screen { position: relative; }
.sc-cv {
  width: 100%; aspect-ratio: 32 / 24; image-rendering: pixelated;
  border: 1px solid var(--line); border-radius: 3px; background: var(--bg); display: block;
}
/* Dropped feed: hold the last frame dimmed + an overlay, instead of hiding the
   tile (which would reflow the grid and stretch the surviving cameras). */
.scenecam.no-signal { border-color: color-mix(in srgb, var(--bad) 55%, var(--line)); }
.scenecam.no-signal .sc-cv { filter: grayscale(0.7) brightness(0.5) contrast(0.8); }
.sc-nosig {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px; border-radius: 3px;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  text-align: center; pointer-events: none;
}
/* The overlay is hidden via the `hidden` attribute (nosigEl.hidden = live). The
 * `display:flex` author rule above outranks the UA `[hidden]{display:none}`, so
 * without this explicit override the overlay stays painted even on a live feed —
 * the "信号缺失 on a healthy stream" bug. Keep this next to the rule it guards. */
.sc-nosig[hidden] { display: none; }
.sc-nosig b { font: 700 13px var(--disp); color: var(--bad); letter-spacing: 1px; }
.sc-nosig span { font: 600 8.5px var(--mono); color: var(--ink-faint); letter-spacing: 2px; }
.sc-foot {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-top: 8px; gap: 8px;
}
.sc-fps { font: 700 18px var(--disp); font-variant-numeric: tabular-nums; }
.sc-fps i { font: 500 10px var(--mono); font-style: normal; margin-left: 3px; color: var(--ink-faint); }
.sc-fps.ok { color: var(--ok); }
.sc-fps.warn { color: var(--warn); }
.sc-fps.bad { color: var(--bad); }
.sc-age { font-size: 10.5px; color: var(--ink-faint); white-space: nowrap; }

/* camera-mapping auto-detector */
.panel-scenecams .panel-controls { display: flex; align-items: center; gap: 12px; }
.sc-detect {
  font: 600 11px var(--mono); letter-spacing: .5px; cursor: pointer;
  border: 1px solid var(--line-soft); background: var(--surface); color: var(--ink-dim);
  border-radius: var(--r); padding: 6px 12px; transition: color .15s, border-color .15s;
}
.sc-detect:hover { color: var(--ink); border-color: var(--ok); }
.sc-detect:disabled { opacity: .5; cursor: default; }
.sc-detect-result { padding: 0 18px 16px; }
.sc-dr-msg { font-size: 12px; color: var(--ink-dim); padding: 8px 0; }
.sc-dr-msg.warn { color: var(--warn); }
.sc-dr-msg.bad { color: var(--bad); }
.sc-dr-head { font: 700 14px var(--disp); letter-spacing: .5px; margin: 4px 0 6px; }
.sc-dr-head.ok { color: var(--ok); }
.sc-dr-head.warn { color: var(--warn); }
.sc-dr-head.bad { color: var(--bad); }
.sc-dr-sub { font-size: 11.5px; color: var(--ink-dim); margin-bottom: 10px; }
.sc-dr-sub b { color: var(--ink); font-variant-numeric: tabular-nums; }
.sc-dr-rec {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--bad) 40%, transparent);
  border-radius: var(--r); padding: 8px 12px; margin-bottom: 8px;
}
.sc-dr-k { font-size: 10px; letter-spacing: 1px; color: var(--ink-dim); }
.sc-dr-env {
  font: 600 12px var(--mono); color: var(--ink); user-select: all;
  background: var(--bg); border: 1px solid var(--line); border-radius: 3px; padding: 3px 8px;
}
.sc-dr-map { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 11px; color: var(--ink-dim); margin-bottom: 10px; }
.sc-dr-map .sc-slot { margin-right: 4px; }
.sc-dr-sep { color: var(--ink-faint); margin: 0 4px; }
.sc-dr-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.sc-dr-table th { text-align: left; color: var(--ink-faint); font-weight: 600; padding: 5px 8px; border-bottom: 1px solid var(--line); }
.sc-dr-table th.num, .sc-dr-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.sc-dr-table td { padding: 5px 8px; border-bottom: 1px solid var(--line); color: var(--ink-dim); }
.sc-dr-table tr.best td { color: var(--ink); background: var(--ok-soft); }
.sc-dr-table tr.cur td { background: var(--surface-2); }
.sc-dr-tag { font-style: normal; font-size: 9px; letter-spacing: 1px; padding: 1px 5px; border-radius: 3px; margin-left: 8px; }
.sc-dr-tag.best { color: var(--bg); background: var(--ok); }
.sc-dr-tag.cur { color: var(--ink-dim); border: 1px solid var(--line-soft); }
.sc-dr-note { font-size: 10.5px; color: var(--ink-faint); margin-top: 8px; line-height: 1.5; }

/* ── room layout editor (#286) ──────────────────────────── */
.modal-wide { max-width: 960px; width: min(96vw, 960px); }
.layout-toolbar { display: flex; align-items: center; gap: 10px; padding: 0 18px 10px; flex-wrap: wrap; }
.layout-token { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--ink-dim); }
.layout-token input { width: 140px; }
.layout-grid { display: grid; grid-template-columns: 1fr 320px; gap: 14px; padding: 0 18px 12px; }
@media (max-width: 860px) { .layout-grid { grid-template-columns: 1fr; } }
.layout-canvas-wrap { border: 1px solid var(--line); border-radius: var(--r); background: #0d1117; padding: 8px; }
#layoutCanvas { display: block; width: 100%; height: auto; cursor: crosshair; }
.layout-hint { font-size: 10px; color: var(--ink-faint); margin: 6px 0 0; }
.layout-side { display: flex; flex-direction: column; gap: 10px; max-height: 520px; overflow-y: auto; }
.layout-panel { border: 1px solid var(--line); border-radius: var(--r); padding: 10px 12px; background: var(--surface-2); font-size: 11.5px; }
.layout-panel h4 { margin: 0 0 8px; font: 700 11px var(--disp); color: var(--ink-dim); letter-spacing: .4px; }
.layout-panel.drift-warn { border-color: var(--warn); background: rgba(240, 180, 80, 0.08); }
.layout-panel.drift-ok { border-color: var(--ok); }
.layout-slot-row { display: grid; grid-template-columns: 72px 1fr auto; gap: 6px; align-items: center; margin-bottom: 6px; }
.layout-slot-row select { font-size: 11px; }
.layout-pin-row { padding: 4px 0; border-bottom: 1px solid var(--line-soft); cursor: pointer; }
.layout-pin-row.sel { color: var(--ok); }
.layout-snippet { font: 11px var(--mono); white-space: pre-wrap; word-break: break-all; color: var(--ink-dim); }

/* ── Voice alarm (silent mode) ─────────────────────────── */
.panel-voicealarm { margin-bottom: 14px; }
.panel-meta.va-on  { color: var(--ok); }
.panel-meta.va-off { color: var(--warn); }
.voicealarm-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.va-toggle { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.va-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.va-track {
  position: relative; width: 42px; height: 22px; flex: none;
  background: var(--off-soft); border: 1px solid var(--line-soft);
  border-radius: 11px; transition: background .18s, border-color .18s;
}
.va-thumb {
  position: absolute; top: 2px; left: 2px; width: 16px; height: 16px;
  background: var(--off); border-radius: 50%; transition: transform .18s, background .18s;
}
.va-toggle input:checked + .va-track { background: var(--ok-soft); border-color: var(--ok); }
.va-toggle input:checked + .va-track .va-thumb { transform: translateX(20px); background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.va-toggle input:disabled + .va-track { opacity: .5; }
.va-label { font-family: var(--disp); font-weight: 600; color: var(--ink); font-size: 14px; }
.va-desc { color: var(--ink-dim); font-size: 12px; line-height: 1.6; margin: 0; max-width: 720px; }
.va-desc strong { color: var(--ink); }

/* ── Daily activity (room summary) ─────────────────────── */
.panel-daily { margin-bottom: 14px; }
.da-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.da-field {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10.5px; letter-spacing: .5px; color: var(--ink-faint);
}
.da-field input[type="text"] {
  width: 110px; font: 500 12px var(--mono); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: var(--r);
  padding: 5px 8px;
}
.da-field input[type="text"]:focus { outline: none; border-color: var(--ok); }
.da-meta.warn { color: var(--warn); }
.da-body { padding: 12px 16px 16px; }
.da-empty {
  padding: 28px 8px; text-align: center; color: var(--ink-faint);
  font: 600 13px var(--disp); letter-spacing: 1px;
}
.da-metrics {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px;
  margin-bottom: 12px;
}
@media (max-width: 1100px) { .da-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .da-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.da-metric {
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px 12px;
}
.da-v { font: 700 18px var(--disp); color: var(--ink); letter-spacing: .3px; font-variant-numeric: tabular-nums; }
.da-k { margin-top: 4px; font-size: 10.5px; color: var(--ink-faint); letter-spacing: .8px; }
.da-range { font-size: 11px; color: var(--ink-dim); margin-bottom: 10px; }
.da-hourly-label {
  font: 700 11px var(--disp); letter-spacing: .8px; color: var(--ink-dim);
  margin: 4px 0 8px; display: flex; align-items: baseline; gap: 8px;
}
.da-hourly {
  display: grid; grid-template-columns: repeat(24, minmax(0, 1fr)); gap: 3px;
  align-items: end; height: 88px; padding: 4px 0 0;
}
.da-bar {
  display: flex; flex-direction: column; justify-content: flex-end; align-items: center;
  height: 100%; gap: 3px; min-width: 0;
}
.da-bar i {
  display: block; width: 100%; max-width: 14px; min-height: 2px;
  background: linear-gradient(180deg, var(--ok) 0%, color-mix(in srgb, var(--ok) 35%, transparent) 100%);
  border-radius: 2px 2px 0 0;
}
.da-bar span { font-size: 8.5px; color: var(--ink-faint); line-height: 1; }