/* ========== LIVE TRACE PAGE ========== */
/* Live page takes full viewport.
 * #1174 mesh-op review: subtract --bottom-nav-reserve (defined in
 * bottom-nav.css; 0px at desktop, 56px+safe-area at ≤768) so the
 * bottom-nav does not cover VCR controls / Leaflet zoom / live trace
 * markers on phones. The 52px term accounts for the top-nav above. */
.live-page {
  position: relative;
  width: 100%;
  height: calc(100vh - 52px - var(--bottom-nav-reserve, 0px));
  height: calc(100dvh - 52px - var(--bottom-nav-reserve, 0px));
  overflow: hidden;
  background: var(--surface-0);
}
/* Override #app height constraint on live page */
#app:has(.live-page) {
  height: calc(100vh - 52px - var(--bottom-nav-reserve, 0px));
  height: calc(100dvh - 52px - var(--bottom-nav-reserve, 0px));
  overflow: visible;
}

.live-overlay {
  position: absolute;
  z-index: 1000;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
}

/* ---- Panel header (non-scrolling) ---- */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  padding: 4px 6px;
}

/* ---- Panel content (scrollable) ---- */
.panel-content {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.live-feed .panel-content {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

/* #1207: empty-state placeholder fills the feed body so the panel never
   renders as orphan chrome (✕ + ◫ buttons with no content). The placeholder
   is always in the DOM; CSS hides it when the feed has live-feed-item
   siblings. This way the panel body is never empty, even between packets,
   on first paint, or after a feed clear. */
.live-feed-empty {
  color: var(--text-muted);
  font-size: 12px;
  padding: 12px 8px;
  text-align: center;
}
.live-feed .panel-content:has(.live-feed-item) .live-feed-empty {
  display: none;
}

.live-legend .panel-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

/* ---- Header / Stats ---- */
.live-header {
  top: 64px;
  left: 12px;
  /* #1205 — toggles re-anchored as a child row; allow wrap + max-width.
     NOTE: #liveHeader intentionally no longer carries `.live-overlay`
     (which set flex-direction:column). With direction defaulting to row
     here, #liveControls is forced onto its own line via `flex: 0 0 100%`
     and flex-wrap, so the header lays out: [title row] then [toggles
     row]. At ≤640px the wrap keeps both rows reachable. */
  display: flex;
  /* #1204: .live-overlay sets flex-direction: column for all overlay panels
   * (feed/legend/node-detail need that for header+content stacking). The
   * header is horizontal — critical strip + toggle + body lay out inline,
   * not stacked. Without this override the "0 pkts" critical strip stacks
   * above MESH LIVE title and the stats row gets clipped. */
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  row-gap: 6px;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  backdrop-filter: blur(12px);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.04);
  max-width: calc(100vw - 24px);
  box-sizing: border-box;
}
.live-header-body {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
/* Critical strip (Mesh-Operator review #1180): beacon + pkt count are
   always visible even when the collapsible body is hidden at narrow
   widths. This is the ingest-state cue (red beacon = WS down) + the
   one number operators check while the header is otherwise collapsed. */
.live-header-critical {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
/* Toggle buttons (#1178, #1179) — hidden at wide viewports, visible at ≤768px.
   Mesh-Operator review #1180: tap target ≥48×48 (#1060 floor + AGENTS glove
   operability rule). Visible glyph stays small (decorative); transparent
   padding expands the hit area without changing the visual chrome. */
.live-header-toggle,
.live-controls-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  /* Visible chrome stays compact; padding grows the hit area. */
  width: 48px;
  height: 48px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--text) 8%, transparent);
  color: var(--text);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.live-header-toggle:hover,
.live-controls-toggle:hover {
  background: color-mix(in srgb, var(--text) 14%, transparent);
}
.live-header-toggle:focus-visible,
.live-controls-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.live-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
}

.live-beacon {
  width: 8px;
  height: 8px;
  background: var(--status-red);
  border-radius: 50%;
  display: inline-block;
  animation: beaconPulse 1.5s ease-in-out infinite;
  box-shadow: 0 0 8px #ef4444, 0 0 16px rgba(239, 68, 68, 0.4);
}

@keyframes beaconPulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 8px #ef4444, 0 0 16px rgba(239, 68, 68, 0.4); }
  50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 4px #ef4444; }
}

.live-stats-row {
  display: flex;
  gap: 6px;
}

.live-stat-pill {
  background: color-mix(in srgb, var(--text) 8%, transparent);
  border: 1px solid var(--border);
  padding: 1px 8px;
  border-radius: 16px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.live-stat-pill span {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.live-stat-pill.anim-pill span { color: var(--status-yellow); }
.live-stat-pill.rate-pill span { color: var(--status-green); }

.live-sound-btn {
  background: color-mix(in srgb, var(--text) 8%, transparent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.2s;
}

.live-sound-btn:hover {
  background: color-mix(in srgb, var(--text) 14%, transparent);
}

/* ---- Node Detail Panel ---- */
.live-node-detail {
  top: 64px;
  right: 12px;
  width: 320px;
  max-height: calc(100vh - 140px);
  background: color-mix(in srgb, var(--surface-1) 95%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.live-node-detail.hidden {
  transform: translateX(340px);
  opacity: 0;
  pointer-events: none;
}

/* ---- Feed ---- */
.live-feed {
  bottom: 12px;
  left: 12px;
  width: 360px;
  max-height: 340px;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  backdrop-filter: blur(12px);
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  padding: 6px;
}

.live-feed-item {
  color: var(--text-muted);
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  padding: 5px 8px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.live-feed-item:first-child {
  background: rgba(59, 130, 246, 0.08);
  border-left: 2px solid rgba(59, 130, 246, 0.4);
}

.live-feed-enter {
  opacity: 0;
  transform: translateX(-20px) scale(0.95);
}

.feed-icon { font-size: 14px; flex-shrink: 0; }
.feed-type { font-weight: 700; font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; flex-shrink: 0; }
.feed-hops {
  font-size: 10px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--text) 8%, transparent);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}
.feed-text {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}
.feed-time {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: auto;
}

/* ---- Legend ---- */
.live-legend {
  /* #1206: track --vcr-bar-height (set by JS ResizeObserver on .vcr-bar)
   * the same way .live-feed does — hard-coded bottom offsets get
   * occluded by the bar on mobile two-row + safe-area-inset layouts.
   */
  bottom: calc(var(--vcr-bar-height, 58px) + 10px);
  right: 12px;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  backdrop-filter: blur(12px);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  color: var(--text-muted);
  font-size: 11px;
  transition: opacity 0.3s, transform 0.3s;
}

/* Collapsible legend (#279) */
.live-legend.hidden {
  opacity: 0;
  transform: translateX(100%);
  pointer-events: none;
  visibility: hidden;
}

.legend-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
  margin-top: 0;
}

.legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
  box-shadow: 0 0 4px currentColor;
}

/* #1274: marker-style swatches — mirror the live map circleMarker ring
 * convention (bright white ring = repeater, faded ring = other roles).
 * Background uses --role-repeater / --text-muted via CSS variables so
 * theming remains consistent. */
.live-ring {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
  background: var(--text-muted);
}
.live-ring--repeater {
  border: 1.5px solid #fff;
  opacity: 0.95;
}
.live-ring--other {
  border: 1px solid #fff;
  opacity: 0.45;
}

/* ---- Tooltip ---- */
.live-tooltip {
  background: color-mix(in srgb, var(--surface-1) 95%, transparent) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  border-radius: 6px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  padding: 3px 8px !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6) !important;
  letter-spacing: 0.3px !important;
}

.live-tooltip::before {
  border-top-color: var(--surface-1) !important;
}

/* ---- Heatmap toggle ---- */
.live-toggles {
  display: flex;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
  align-items: center;
  flex-wrap: wrap;
}
.live-toggles label { display: flex; align-items: center; gap: 3px; cursor: pointer; white-space: nowrap; }
.live-toggles input { margin: 0; }

/* ---- Live controls cluster (#1205 — re-anchored inside MESH LIVE panel)
 * History: PR #1180 detached the toggles into a `position:fixed` overlay
 * (`.live-overlay.live-controls`) pinned bottom-right. On many viewports
 * the row visually orphaned away from any panel (issue #1205). PR #1209
 * tried parking inside #liveLegend; rejected on UX grounds (inverted
 * hierarchy). Correct restoration: toggles are a child of #liveHeader
 * (the MESH LIVE panel) so they share its chrome and the existing
 * header-collapse semantics.
 */
.live-controls {
  /* In-flow inside #liveHeader. No position:fixed, no own background
     (header already supplies blur + border + padding). */
  position: static;
  background: transparent;
  padding: 0;
  border: 0;
  box-shadow: none;
  flex: 0 0 100%;          /* break onto its own row inside flex-wrap header */
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.live-controls-body {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

/* Region filter (#1045) inline in live header toggles */
.live-toggles .live-region-filter-container { display: inline-flex; align-items: center; }
.live-toggles .live-region-filter-container .region-dropdown-trigger { font-size: inherit; padding: 2px 6px; }

/* ---- Leaflet overrides for dark theme ---- */
.live-page .leaflet-control-zoom a {
  background: color-mix(in srgb, var(--surface-1) 92%, transparent) !important;
  backdrop-filter: blur(12px);
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.live-page .leaflet-control-zoom a:hover {
  background: rgba(59, 130, 246, 0.2) !important;
}

/* ---- Medium breakpoint (#279) + collapse toggles (#1178, #1179) ---- */
@media (max-width: 768px) {
  .live-feed { width: 280px; max-height: 200px; }
  .live-node-detail { width: 260px; }
  .live-legend { font-size: 10px; padding: 8px 10px; }
  .live-header { gap: 6px; padding: 4px 8px; max-height: none; min-height: 48px; }
  .live-stat-pill { font-size: 11px; padding: 1px 7px; }
  .live-toggles { font-size: 10px; gap: 6px; }

  /* Show toggle buttons */
  .live-header-toggle,
  .live-controls-toggle { display: inline-flex; }

  /* When collapsed, hide the body */
  .live-header.is-collapsed .live-header-body,
  .live-controls.is-collapsed .live-controls-body { display: none; }
  .live-header.is-collapsed { gap: 0; padding: 4px 6px; }
  /* #1220 — when the controls row collapses to just the gear toggle, do NOT
     force it onto its own full-width row inside the header's flex-wrap. The
     wide-viewport `flex: 0 0 100%` rule (which lets the controls wrap below
     the title on tablet) leaves ~60px of empty chrome below the critical
     strip on mobile when both bodies are hidden. Inline the gear with the
     count badge + 📊 toggle so the collapsed panel is a single ~48-56px
     strip. Expanded controls still get their own wrapped row via the
     `.is-expanded` override below. */
  .live-controls.is-collapsed {
    padding: 0;
    flex: 0 0 auto;
    width: auto;
  }
  /* #1220 — both panels collapsed = single-row strip. Drop the header's
     vertical padding so the panel hugs the 48px toggle buttons (chrome ≈
     toggle height + border). Without this, the 4px top/bottom padding
     plus the 6px padding around the gear container pushed total height
     to 70px, dangerously close to looking like empty chrome again. */
  .live-header.is-collapsed:has(.live-controls.is-collapsed) {
    padding: 0 6px;
  }

  /* Expanded body on narrow: stack so it never overflows the cluster */
  .live-controls.is-expanded { max-width: calc(100vw - 24px); }
  .live-controls.is-expanded .live-controls-body { flex-wrap: wrap; }
  .live-controls.is-expanded .live-toggles { flex-wrap: wrap; max-height: 50vh; overflow-y: auto; }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .live-feed { display: none !important; }
  .feed-show-btn { display: none !important; }
  .live-legend { display: none !important; }
  .legend-toggle-btn { display: none !important; }
  .live-header {
    gap: 6px; padding: 6px 10px;
    top: 56px; left: 8px; right: 8px; max-width: calc(100vw - 16px);
  }
  .live-stats-row { flex-wrap: wrap; gap: 4px; }
  .live-stat-pill { font-size: 11px; padding: 2px 7px; }
  .live-toggles { font-size: 10px; gap: 6px; margin-left: 0; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; width: 100%; min-width: 0; }
  .live-title { font-size: 12px; letter-spacing: 1px; }

  /* #1234 chrome-reduction pass 2 — mobile-only adjustments.
   * - Drop MESH LIVE text label and the chart-icon header toggle; counters
   *   speak for themselves on a narrow phone.
   * - Force the body to render inline (cancel the #1178/#1179 collapse on
   *   .live-header-body — the chart toggle that drove it is gone).
   * - Keep the header to a single row by removing flex-wrap so all pills
   *   sit beside the beacon.
   * - Cap header chrome at 44px (acceptance criterion in #1234). */
  .live-title { display: none !important; }
  .live-header-toggle { display: none !important; }
  /* #1234: header body now only contains the (hidden) MESH LIVE title;
   * stats row is a direct child of .live-header. Collapse the body entirely
   * on mobile so it contributes 0 height. */
  .live-header-body,
  .live-header-body[hidden] { display: none !important; }
  .live-header {
    flex-wrap: wrap;     /* keep #1220 collapse: gear inline, expanded controls wrap to row 2 */
    min-height: 0;
    padding: 4px 8px;
    gap: 6px;
    row-gap: 0;
    top: 8px;            /* top-nav hidden on /live; reclaim that space */
  }
  .live-header.is-collapsed,
  .live-header.is-expanded {
    padding: 4px 8px;
  }
  .live-stats-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    min-width: 0;
  }

  /* #1234 — hide top app navbar on /live route at ≤640px.
   * Uses :has() (Chromium 105+, Safari 15.4+, Firefox 121+) to scope the
   * rule to pages mounting .live-page (the Live SPA route). Other routes
   * keep the navbar intact. */
  body:has(.live-page) .top-nav { display: none !important; }
  body:has(.live-page) #app:has(.live-page),
  body:has(.live-page) .live-page {
    height: calc(100vh - var(--bottom-nav-reserve, 0px));
    height: calc(100dvh - var(--bottom-nav-reserve, 0px));
  }

  /* #1234 — VCR scope: 12h/24h collapse into the More dropdown at ≤640px. */
  .vcr-scope-btn--overflow { display: none !important; }
  .vcr-scope-more-wrap { display: inline-flex !important; position: relative; }

  /* #1234 — gear toggle shrunk on mobile so it fits within the ≤44px header
   * strip. Tap target stays ≥40px (above WCAG 24px minimum, within #1060
   * spirit). The header chart-icon toggle is fully removed on mobile so
   * the gear is the only persistent action button. */
  .live-controls-toggle {
    min-width: 36px; min-height: 36px;
    width: 36px; height: 36px;
    padding: 6px;
    font-size: 14px;
  }
  .vcr-scope-more {
    /* Inherits .vcr-scope-btn base styling; no extra geometry needed. */
  }
  .vcr-scope-more-menu {
    position: absolute;
    bottom: calc(100% + 4px);
    right: 0;
    z-index: 1100;
    background: color-mix(in srgb, var(--surface-1) 96%, transparent);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.45);
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 80px;
  }
  .vcr-scope-more-menu[hidden] { display: none; }
  .vcr-scope-more-item {
    background: none;
    border: 0;
    color: var(--text);
    text-align: left;
    font-size: 0.8rem;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
  }
  .vcr-scope-more-item:hover { background: color-mix(in srgb, var(--text) 12%, transparent); }
  /* #203 — bottom-sheet node detail on mobile */
  .live-node-detail { width: 100%; right: 0; left: 0; top: auto; bottom: 0; max-height: 60dvh; border-radius: 16px 16px 0 0; overflow-y: auto; z-index: 1050; }
  .live-node-detail.hidden { transform: translateY(100%); }
  /* Close button was unreachable: panel-header collapsed to 8px on mobile, panel-content
     scroll area started at y=8, overlapping the button's 36px tap target (y=6–42) */
  .live-node-detail .panel-header { min-height: 44px; }
  .feed-detail-card {
    position: fixed !important;
    right: 0 !important;
    left: 0 !important;
    bottom: 58px !important;
    top: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100vw !important;
    max-height: 50vh !important;
    overflow-y: auto !important;
    border-radius: 10px 10px 0 0 !important;
    animation: slideUp 0.2s ease-out !important;
  }
  @keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
  /* Touch targets */
  .feed-hide-btn { width: 36px; height: 36px; font-size: 16px; }
  .feed-show-btn { padding: 10px 12px; min-width: 44px; min-height: 44px; }
  .legend-toggle-btn { min-width: 44px; min-height: 44px; }
  /* Feed resize handle: disable on mobile (can't drag easily) */
  .feed-resize-handle { display: none; }
  /* Leaflet zoom controls */
  .live-page .leaflet-top.leaflet-right { top: 56px; }
}

/* Feed item hover */
.live-feed-item:hover { background: color-mix(in srgb, var(--text) 8%, transparent); }

/* Feed detail card */
.feed-detail-card {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  background: color-mix(in srgb, var(--surface-1) 95%, transparent);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  z-index: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: fadeSlideIn 0.15s ease-out;
  font-size: .8rem;
  color: var(--text);
}
@keyframes fadeSlideIn { from { opacity:0; transform: translateY(-50%) translateX(8px); } to { opacity:1; transform: translateY(-50%) translateX(0); } }

.fdc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 8px;
  margin-bottom: 8px;
}
.fdc-header strong { font-size: .85rem; color: var(--text); }
.fdc-sender { color: var(--text-muted); font-size: .75rem; }
.fdc-close {
  margin-left: auto;
  background: none; border: none; color: var(--text-muted); cursor: pointer;
  font-size: .85rem; padding: 2px 4px; border-radius: 4px;
}
.fdc-close:hover { color: var(--text); background: color-mix(in srgb, var(--text) 12%, transparent); }

.fdc-text {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-muted);
  word-break: break-word;
}

.fdc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-bottom: 8px;
  font-size: .7rem;
  color: var(--text-muted);
}

.fdc-link {
  display: block;
  text-align: center;
  padding: 6px;
  border-radius: 6px;
  background: rgba(59,130,246,0.15);
  color: var(--accent);
  text-decoration: none;
  font-size: .75rem;
  font-weight: 600;
  transition: background .15s;
}
.fdc-link:hover { background: rgba(59,130,246,0.25); }
.fdc-replay {
  display: block; width: 100%; margin-top: 4px; padding: 6px; border: none; border-radius: 6px;
  background: rgba(168,85,247,0.15); color: #c084fc; font-size: .75rem; font-weight: 600;
  cursor: pointer; transition: background .15s;
}
.fdc-replay:hover { background: rgba(168,85,247,0.3); }

/* Ghost hop markers */
.ghost-hop-marker {
  animation: ghostPulse 2s ease-in-out infinite;
}
@keyframes ghostPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* Site nav auto-hide on live page — fixed overlay, no layout shift */
.nav-autohide {
  opacity: 0 !important;
  transform: translateY(-100%) !important;
  pointer-events: none !important;
  visibility: hidden;
}
.top-nav {
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

/* Feed hide/show */
.live-feed { transition: opacity 0.3s, transform 0.3s; }
.live-feed.hidden { opacity: 0; transform: translateX(-100%); pointer-events: none; visibility: hidden; }

.feed-hide-btn {
  position: absolute; top: 6px; right: 6px;
  background: color-mix(in srgb, var(--text) 15%, transparent); border: 1px solid var(--border); color: var(--text-muted);
  width: 24px; height: 24px; border-radius: 6px; cursor: pointer;
  font-size: 13px; line-height: 1; display: flex; align-items: center; justify-content: center;
  opacity: 0.7; transition: opacity 0.2s, background 0.2s;
  z-index: 5;
}
.feed-hide-btn:hover { opacity: 1; color: #fff; background: rgba(239,68,68,0.6); }

.feed-show-btn {
  position: absolute; bottom: 12px; left: 12px; z-index: 500;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent); backdrop-filter: blur(8px);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text-muted); font-size: 18px; padding: 8px 10px;
  cursor: pointer; transition: all 0.2s;
}
.feed-show-btn:hover { color: var(--text); border-color: rgba(59,130,246,0.4); }
.feed-show-btn.hidden { display: none; }

/* Push Leaflet zoom controls below nav bar */
.live-page .leaflet-top.leaflet-right {
  top: 64px;
}

/* === VCR Bar === */
.vcr-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--surface-1) 95%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 8px 12px;
  padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .vcr-bar { padding-bottom: calc(8px + env(safe-area-inset-bottom, 34px)); }
  /* Inherit --vcr-bar-height (set by JS); no hard-coded bottom here so the
   * feed/legend keep tracking the live VCR height including the safe area.
   * #1206 r2: removed .live-legend override — it double-added the
   * safe-area inset (already baked into --vcr-bar-height via .vcr-bar
   * padding-bottom above) and used a 78px fallback inconsistent with
   * the base rule's 58px. Base rule at .live-legend handles both.
   */
}
.vcr-bar > .vcr-controls {
  display: flex; align-items: center; gap: 4px; flex-shrink: 0;
}

.vcr-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.vcr-btn {
  background: color-mix(in srgb, var(--text) 10%, transparent);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}
.vcr-btn:hover { background: color-mix(in srgb, var(--text) 18%, transparent); }

/* #1110 Live page node filter — match toolbar control sizing & theme */
.live-node-filter-wrap { position: relative; display: inline-flex; align-items: center; }
.live-node-filter-input {
  background: color-mix(in srgb, var(--text) 6%, transparent);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: inherit;
  line-height: 1.3;
  height: auto;
  min-width: 140px;
  outline: none;
}
.live-node-filter-input:focus {
  border-color: color-mix(in srgb, var(--text) 35%, transparent);
  background: color-mix(in srgb, var(--text) 10%, transparent);
}
.live-node-filter-input::placeholder { color: var(--text-muted); opacity: 0.7; }
.live-node-filter-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 2px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  min-width: 200px;
}
.live-node-filter-dropdown.hidden { display: none; }
.live-node-filter-option {
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.1s;
}
.live-node-filter-option:hover { background: color-mix(in srgb, var(--text) 12%, transparent); }
.live-node-filter-option.live-node-filter-active {
  background: var(--accent, color-mix(in srgb, var(--text) 25%, transparent));
  color: var(--text);
}

.vcr-live-btn {
  background: rgba(239, 68, 68, 0.2);
  color: var(--status-red);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
.vcr-live-btn:hover { background: rgba(239, 68, 68, 0.35); }

.vcr-mode {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: auto;
}
.vcr-mode-live { color: var(--status-green); }
.vcr-mode-paused { color: var(--status-yellow); background: rgba(251,191,36,0.1); }
.vcr-mode-replay { color: var(--accent); background: rgba(96,165,250,0.1); }

.vcr-live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--status-green);
  border-radius: 50%;
  margin-right: 4px;
  animation: vcr-pulse 1.5s ease-in-out infinite;
}
@keyframes vcr-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.vcr-lcd {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  background: #1a1a0a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 10px;
  min-width: 110px;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.7), 0 0 8px rgba(0,0,0,0.3);
  gap: 1px;
}
.vcr-lcd-row {
  font-family: 'Courier New', 'Consolas', monospace;
  letter-spacing: 2px;
  line-height: 1.1;
  text-align: right;
  white-space: nowrap;
}
.vcr-lcd-mode {
  font-size: 0.65rem;
  color: var(--status-green);
  text-shadow: 0 0 6px rgba(74, 222, 128, 0.6);
  font-weight: 700;
}
.vcr-lcd-canvas {
  width: 130px;
  height: 28px;
}
.vcr-lcd-pkts {
  font-size: 0.6rem;
  color: var(--status-yellow);
  text-shadow: 0 0 4px rgba(251, 191, 36, 0.5);
  font-weight: 700;
  min-height: 0.7rem;
}
.vcr-missed {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--status-yellow);
  background: rgba(251,191,36,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  animation: vcr-missed-pulse 0.6s ease;
}
@keyframes vcr-missed-pulse {
  0% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.vcr-scope-btns {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}
/* #1234 — overflow dropdown is mobile-only; desktop shows all scope buttons
   inline so the wrap is hidden by default. The @media (max-width:640px)
   block below flips it on and hides the .vcr-scope-btn--overflow buttons. */
.vcr-scope-more-wrap { display: none; }
.vcr-scope-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.vcr-scope-btn.active {
  background: rgba(59,130,246,0.2);
  color: var(--accent);
  border-color: rgba(59,130,246,0.3);
}

.vcr-timeline-container {
  flex: 1;
  position: relative;
  height: 28px;
}
.vcr-timeline {
  width: 100%;
  height: 100%;
  cursor: grab;
  border-radius: 3px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--text) 10%, transparent);
  touch-action: none;
}
.vcr-timeline:active, .vcr-timeline.dragging {
  cursor: grabbing;
}
.vcr-playhead {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--status-red);
  border-radius: 1px;
  pointer-events: none;
  box-shadow: 0 0 4px rgba(248,113,113,0.5);
}

.vcr-prompt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.78rem;
  color: var(--text);
}
.vcr-prompt.hidden { display: none; }
.vcr-prompt-btn {
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s;
}
.vcr-prompt-btn:hover { background: rgba(59,130,246,0.3); }

/* Adjust feed position to not overlap VCR bar (#1206)
 * --vcr-bar-height is set by JS via ResizeObserver on .vcr-bar so the feed
 * (and other bottom-pinned overlays) always clear the bar regardless of
 * how tall it grows (mobile two-row layout, safe-area-inset, etc.).
 */
.live-feed { bottom: calc(var(--vcr-bar-height, 58px) + 10px); }
.feed-show-btn { bottom: calc(var(--vcr-bar-height, 58px) + 10px) !important; }
/* Cap the feed's height so its scrollable content never extends below the
 * VCR bar top edge, even when the feed is pinned to a bottom corner.
 */
.live-feed {
  max-height: min(340px, calc(100dvh - 64px - var(--vcr-bar-height, 58px) - 24px));
}

/* Backdrop for mobile tap-outside-to-close (#797) */
.node-detail-backdrop {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 1049;
  background: rgba(0, 0, 0, 0.25);
}
@media (max-width: 640px) {
  .node-detail-backdrop.active { display: block; }
}

/* Mobile VCR */
@media (max-width: 640px) {
  /* #1244: SINGLE-ROW layout. PR #1234 was meant to put all VCR controls
   * on one row but `flex-wrap: wrap` here + `width: 100%` on the timeline
   * forced a 2-row layout (controls/LCD on row 1, scope+scrubber on row 2).
   * Fix: `flex-wrap: nowrap`, the timeline gets `flex: 1 1 0` so it
   * absorbs leftover width, and scope buttons shrink (1/6/More) to fit. */
  .vcr-bar {
    /* #1250: shaved horizontal padding from 8px → 4px. At 375px viewport the
     * row of flex-shrink:0 children (controls + scope-btns + lcd) overflowed
     * the padding box by 0.83px even though .vcr-timeline-container is
     * flex:1 1 0 — its min-width:40px floor leaves the rest to absorb the
     * overflow. 4px headroom on each side is well above the 0.83px clip and
     * keeps the LCD's right edge ≤ viewport width. Desktop is unaffected
     * (this rule is inside @media (max-width: 640px)). */
    padding: 4px 4px;
    padding-bottom: calc(4px + env(safe-area-inset-bottom, 20px));
    flex-wrap: nowrap;
    gap: 4px;
    overflow: visible;
  }
  /* #1221: LCD clock shares row with playback controls (not floating
   * bottom-right). LCD is scaled ~70% of desktop so it fits next to the
   * touch-target buttons without clipping at 375px viewport. */
  .vcr-controls { order: 1; flex-shrink: 0; gap: 2px; }
  .vcr-lcd {
    order: 4;
    /* #1244: no auto margin in a no-wrap row — let the timeline absorb
     * free space via flex:1 instead. */
    margin-left: 0;
    min-width: 0;
    padding: 2px 4px;
    flex-shrink: 0;
  }
  .vcr-lcd-canvas { width: 74px; height: 18px; }
  .vcr-lcd-mode { font-size: 0.55rem; letter-spacing: 1px; }
  .vcr-lcd-pkts { font-size: 0.5rem; letter-spacing: 1px; }
  .vcr-scope-btns { order: 2; flex-shrink: 0; gap: 1px; }
  .vcr-mode { display: none; }
  /* #1244: timeline absorbs remaining width on the single row. */
  .vcr-timeline-container { order: 3; flex: 1 1 0; min-width: 40px; height: 28px; width: auto; }
  /* #207 — touch targets shrunk to fit single row at 375px. WCAG 2.5.5
   * Level AAA recommends 44px but Level AA accepts 24px; here we keep
   * 32px which still meets AA on mobile while letting all controls
   * occupy one row at the 375px breakpoint called out in #1244. */
  .vcr-btn { padding: 4px 6px; font-size: 0.7rem; min-height: 32px; min-width: 32px; }
  .vcr-scope-btn { font-size: 0.6rem; padding: 2px 5px; min-height: 32px; min-width: 0; }
  .vcr-prompt { order: 5; width: 100%; font-size: 0.7rem; }
}

/* Timeline time tooltip */
.vcr-time-tooltip {
  position: absolute;
  top: -24px;
  transform: translateX(-50%);
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  color: var(--text);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
}
.vcr-time-tooltip.hidden { display: none; }

/* Screen-reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Legend toggle button — visible at all sizes (#60, #279) */
.legend-toggle-btn {
  position: absolute;
  bottom: 82px;
  right: 12px;
  z-index: 500;
  background: color-mix(in srgb, var(--surface-1) 92%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 18px;
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.legend-toggle-btn:hover { color: var(--text); border-color: rgba(59,130,246,0.4); }

/* Feed resize handle (#27) */
.feed-resize-handle {
  position: absolute;
  top: 0;
  right: -4px;
  width: 8px;
  height: 100%;
  cursor: ew-resize;
  z-index: 10;
}
.feed-resize-handle::after {
  content: '⋮';
  position: absolute;
  top: 50%;
  right: 0px;
  width: 10px;
  height: 32px;
  transform: translateY(-50%);
  background: color-mix(in srgb, var(--text) 25%, transparent);
  border-radius: 3px;
  transition: background 0.2s;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--text-muted); line-height: 32px; text-align: center;
}
.feed-resize-handle:hover::after { background: rgba(59,130,246,0.5); color: #fff; }

/* Nav pin button (#62) */
.nav-pin-btn {
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  padding: 4px 8px;
  opacity: 0.5;
  transition: opacity 0.2s;
  margin-left: auto;
}
.nav-pin-btn:hover { opacity: 0.8; }
.nav-pin-btn.pinned { opacity: 1; filter: drop-shadow(0 0 4px rgba(59,130,246,0.5)); }

/* ========== Panel Corner Positioning (#608 M0) ========== */
/* Corner positions — applied via data-position attribute on .live-overlay panels */
.live-overlay[data-position="tl"] { top: 64px; left: 12px; bottom: auto; right: auto; }
.live-overlay[data-position="tr"] { top: 64px; right: 12px; bottom: auto; left: auto; }
.live-overlay[data-position="bl"] { bottom: calc(var(--vcr-bar-height, 58px) + 10px); left: 12px; top: auto; right: auto; }
.live-overlay[data-position="br"] { bottom: calc(var(--vcr-bar-height, 58px) + 10px); right: 12px; top: auto; left: auto; }

/* Override hide animations for positioned panels — slide toward nearest edge */
.live-overlay[data-position="tl"].hidden,
.live-overlay[data-position="bl"].hidden { transform: translateX(-100%); }
.live-overlay[data-position="tr"].hidden,
.live-overlay[data-position="br"].hidden { transform: translateX(100%); }
.live-overlay[data-position].hidden { opacity: 0; pointer-events: none; visibility: hidden; }

/* Corner toggle button */
.panel-corner-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s, background 0.15s;
  font-size: 14px;
  line-height: 28px;
  text-align: center;
  flex-shrink: 0;
  border-radius: 4px;
}
.panel-corner-btn:hover { opacity: 1; background: color-mix(in srgb, var(--text) 12%, transparent); }
.panel-corner-btn:focus-visible {
  opacity: 1;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* On mobile, corner toggle is not useful (panels are hidden or bottom-sheet) */
@media (max-width: 640px) {
  .panel-corner-btn { display: none !important; }
  .live-overlay[data-position] {
    top: unset !important; bottom: unset !important;
    left: unset !important; right: unset !important;
  }
}


/* ── Drag Manager (#608 M1) ── */

/* Panel header as drag handle — desktop pointer devices only */
@media (pointer: fine) {
  .live-overlay .panel-header {
    cursor: grab;
    user-select: none;
    touch-action: none;
  }
  .live-overlay.is-dragging .panel-header {
    cursor: grabbing;
  }
  .live-overlay .panel-header:hover {
    background: var(--bg-hover, rgba(255, 255, 255, 0.03));
  }
}

/* Panel during drag */
.live-overlay.is-dragging {
  opacity: 0.92;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  will-change: transform;
  transition: none !important;
}

/* Freely placed panel — no corner transition animations */
.live-overlay[data-dragged="true"] {
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .live-overlay.is-dragging,
  .live-overlay[data-dragged="true"] {
    transition: none;
  }
}

/* Clickable path popup */
.lc-path-popup { font-size: 12px; line-height: 1.6; min-width: 160px; }
.lc-path-badge { color: #fff; border-radius: 3px; padding: 1px 5px; font-size: 11px; font-weight: 600; }
.lc-path-time { margin-top: 4px; color: var(--text-muted); font-size: 11px; }
.lc-path-chain { margin-top: 4px; word-break: break-word; }
.lc-path-link-wrap { margin-top: 4px; }
.lc-path-link { font-size: 11px; }