/* === MeshCore Analyzer — style.css === */

:root {
  --nav-bg: #0f0f23;
  --nav-bg2: #1a1a2e;
  --nav-text: #ffffff;
  --nav-text-muted: #cbd5e1;
  --accent: #4a9eff;
  --status-green: #22c55e;
  --status-yellow: #eab308;
  --status-red: #ef4444;
  --accent-hover: #6db3ff;
  --text: #1a1a2e;
  --text-muted: #5b6370;
  --border: #e2e5ea;
  --row-stripe: #f9fafb;
  --row-hover: #eef2ff;
  --detail-bg: #ffffff;
  --badge-radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --input-bg: #fff;
  --selected-bg: #dbeafe;
  --surface-0: #f4f5f7;
  --surface-1: #ffffff;
  --surface-2: #ffffff;
  --surface-3: #ffffff;
  --content-bg: var(--surface-0);
  --card-bg: var(--surface-1);
  --hover-bg: rgba(0,0,0, 0.04);
}

/* ⚠️ DARK THEME VARIABLES — KEEP BOTH BLOCKS IN SYNC
   The media query handles OS-level dark mode (auto); [data-theme="dark"] handles manual toggle.
   When changing dark theme variables, update BOTH blocks below. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --status-green: #22c55e;
    --status-yellow: #eab308;
    --status-red: #ef4444;
    --surface-0: #0f0f23;
    --surface-1: #1a1a2e;
    --surface-2: #232340;
    --surface-3: #2d2d50;
    --content-bg: var(--surface-0);
    --card-bg: var(--surface-1);
    --text: #e2e8f0;
    --text-muted: #a8b8cc;
    --border: #334155;
    --row-stripe: #1e1e34;
    --row-hover: #2d2d50;
    --detail-bg: #232340;
    --input-bg: #1e1e34;
    --selected-bg: #1e3a5f;
    --hover-bg: rgba(255,255,255, 0.06);
    --section-bg: #1e1e34;
  }
}
/* ⚠️ DARK THEME VARIABLES — KEEP IN SYNC with @media block above */
[data-theme="dark"] {
  --status-green: #22c55e;
  --status-yellow: #eab308;
  --status-red: #ef4444;
  --surface-0: #0f0f23;
  --surface-1: #1a1a2e;
  --surface-2: #232340;
  --surface-3: #2d2d50;
  --content-bg: var(--surface-0);
  --card-bg: var(--surface-1);
  --text: #e2e8f0;
  --text-muted: #a8b8cc;
  --border: #334155;
  --row-stripe: #1e1e34;
  --row-hover: #2d2d50;
  --detail-bg: #232340;
  --input-bg: #1e1e34;
  --selected-bg: #1e3a5f;
  --hover-bg: rgba(255,255,255, 0.06);
  --section-bg: #1e1e34;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; font-family: var(--font); background: var(--content-bg); color: var(--text); }

/* === Skip Link === */
.skip-link { position: absolute; top: -100%; left: 16px; padding: 8px 16px; background: var(--accent); color: #fff; border-radius: 6px; z-index: 999; font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 8px; }

/* === Focus Indicators === */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
.data-table tbody tr:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* === Touch Targets === */
.nav-link { min-height: 44px; display: inline-flex; align-items: center; }

/* === Nav === */
.top-nav {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(135deg, var(--nav-bg) 0%, var(--nav-bg2) 100%); color: var(--nav-text); padding: 0 20px; height: 52px;
  position: sticky; top: 0; z-index: 1100;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.nav-left { display: flex; align-items: center; gap: 24px; }
.nav-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--nav-text); font-weight: 700; font-size: 16px; }
.brand-icon { font-size: 20px; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
  display: inline-block; margin-left: 4px; transition: background .3s;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
  70% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
.live-dot.connected { background: var(--status-green); animation: pulse-ring 2s ease-out infinite; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: var(--nav-text-muted); text-decoration: none; padding: 14px 12px; font-size: 14px;
  border-bottom: 2px solid transparent; transition: all .15s;
  background: none; border-top: none; border-left: none; border-right: none;
  cursor: pointer; font-family: var(--font);
}
.nav-link:hover { color: var(--nav-text); }
.nav-link.active { 
  color: var(--nav-text); 
  border-bottom-color: transparent;
  background: rgba(74, 158, 255, 0.15); 
  border-radius: 6px; 
  margin: 4px 0;
  padding: 10px 12px;
}

.nav-dropdown { position: relative; }
.dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--nav-bg2); border: 1px solid var(--border); border-radius: 6px;
  min-width: 140px; padding: 4px 0; box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.nav-dropdown:hover .dropdown-menu { display: block; }
.dropdown-item {
  display: block; padding: 8px 16px; color: var(--text-muted); text-decoration: none; font-size: 13px;
}
.dropdown-item:hover { background: var(--accent); color: #fff; }

.nav-right { display: flex; align-items: center; gap: 8px; }
.nav-btn {
  background: none; border: 1px solid var(--border); color: var(--nav-text-muted); padding: 6px 12px;
  border-radius: 6px; cursor: pointer; font-size: 14px; transition: all .15s;
  min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
}
.nav-btn:hover { background: var(--nav-bg2); color: var(--nav-text); }
/* === Nav Stats === */
.nav-stats {
  display: flex; gap: 12px; align-items: center; font-size: 12px; color: var(--nav-text-muted);
  font-family: var(--mono); margin-right: 4px;
}
.nav-stats .stat-val { color: var(--nav-text); font-weight: 600; transition: color 0.3s ease; }
.nav-stats .stat-val.updated { color: var(--accent); }

/* === Layout === */
#app { height: calc(100vh - 52px); height: calc(100dvh - 52px); overflow: hidden; }

.split-layout {
  display: flex; height: 100%; overflow: hidden;
}
.panel-left {
  flex: 1; min-width: 0; overflow: auto; padding: 8px 12px;
}
.panel-right {
  width: 420px; min-width: 280px; max-width: 70vw; border-left: 1px solid var(--border);
  background: var(--detail-bg); overflow-y: auto; padding: 16px;
  position: relative;
}
.panel-resize-handle {
  position: absolute; top: 0; left: -3px; width: 6px; height: 100%;
  cursor: col-resize; z-index: 10; background: transparent;
}
.panel-resize-handle:hover, .panel-resize-handle.dragging {
  background: var(--accent); opacity: 0.3;
}
.panel-right.empty {
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 14px;
}

/* === Page Header === */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.page-header h2 { font-size: 18px; font-weight: 700; }
.page-header .count { color: var(--text-muted); font-weight: 400; font-size: 14px; margin-left: 8px; }

/* === Filter Bar === */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; align-items: center;
}
.filter-bar input, .filter-bar select {
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; background: var(--input-bg); color: var(--text); font-family: var(--font);
  height: 34px; box-sizing: border-box; line-height: 1;
}
.filter-bar input { width: 120px; }
.filter-bar select { min-width: 90px; }
.filter-bar .btn {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--input-bg); cursor: pointer; font-size: 13px; transition: all .15s;
  font-family: var(--font); color: var(--text); height: 34px; box-sizing: border-box; line-height: 1;
}
.filter-group { display: flex; gap: 6px; align-items: center; }
.filter-group .btn { padding: 4px 10px; font-size: 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--input-bg); color: var(--text); cursor: pointer; transition: background 0.15s, color 0.15s; }
.filter-group .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.filter-group .btn:hover:not(.active) { background: var(--surface-2); }
.filter-group + .filter-group { border-left: 1px solid var(--border); padding-left: 12px; margin-left: 6px; }
.sort-help { cursor: help; font-size: 14px; color: var(--text-muted, #888); position: relative; display: inline-block; }
.sort-help-tip {
  display: none; position: absolute; top: 130%; left: 50%; transform: translateX(-50%);
  background: var(--card-bg, #222); color: var(--text, #eee); border: 1px solid var(--border);
  border-radius: 6px; padding: 8px 12px; font-size: 12px; line-height: 1.5;
  white-space: pre-line; width: 260px; z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,.3); pointer-events: none;
}
.sort-help:hover .sort-help-tip { display: block; }
.filter-bar .btn:hover { background: var(--row-hover); }
.filter-bar .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.btn-icon {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: 6px 10px; cursor: pointer; font-size: 14px; transition: all .15s;
}
.btn-icon:hover { background: var(--row-hover); }

/* === Tables === */
.data-table {
  width: 100%; border-collapse: collapse; font-size: 12px;
}
.data-table th {
  text-align: left; padding: 4px 6px; font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .3px; color: var(--text-muted);
  border-bottom: 2px solid var(--border); background: var(--card-bg);
  position: sticky; top: 0; z-index: 1;
}
.data-table th.sortable { cursor: pointer; }
.data-table th.sortable:hover { color: var(--accent); }
.data-table td {
  padding: 3px 6px; border-bottom: 1px solid var(--border);
  vertical-align: middle; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  max-width: 0; /* forces td to respect table width instead of expanding to content */
}
.data-table td.col-details { white-space: normal; word-break: break-word; }
.data-table td:has(.spark-bar), .data-table td.col-spark { max-width: none; overflow: visible; min-width: 80px; }
.data-table tbody tr:nth-child(even) { background: var(--row-stripe); }
.data-table tbody tr:hover { background: var(--row-hover); cursor: pointer; }
.data-table tbody tr.selected { background: var(--selected-bg); }

/* === Badges === */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: var(--badge-radius);
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .3px;
}

.badge-region {
  display: inline-block; padding: 2px 6px; border-radius: 4px;
  font-size: 10px; font-weight: 700; font-family: var(--mono);
  background: var(--nav-bg); color: var(--nav-text); letter-spacing: .5px;
}
.badge-obs {
  display: inline-block; padding: 1px 6px; border-radius: 10px;
  font-size: 10px; font-weight: 600;
  background: #ede9fe; color: #6d28d9;
}

/* === Monospace === */
.mono { font-family: var(--mono); font-size: 12px; }

/* === Detail Panel === */
.detail-title {
  font-size: 15px; font-weight: 700; margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 2px solid var(--border);
}
.detail-hash {
  font-family: var(--mono); font-size: 12px; color: var(--text-muted);
  margin-bottom: 12px; word-break: break-all;
}
.detail-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px;
  margin-bottom: 16px; font-size: 13px;
}
.detail-meta dt { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .3px; }
.detail-meta dd { font-weight: 500; margin-bottom: 4px; }

/* === Hex Dump === */
.hex-dump {
  font-family: var(--mono); font-size: 11px; line-height: 1.8;
  padding: 12px; border-radius: 8px; background: #1e1e2e; color: #cdd6f4;
  overflow-x: auto; margin-bottom: 16px; word-break: break-all;
}
.hex-byte { padding: 1px 2px; border-radius: 2px; }
.hex-header { background: #f38ba8; color: #1e1e2e; }
.hex-pathlen { background: #fab387; color: #1e1e2e; }
.hex-transport { background: #89b4fa; color: #1e1e2e; }
.hex-path { background: #a6e3a1; color: #1e1e2e; }
.hex-payload { background: #f9e2af; color: #1e1e2e; }
.hex-pubkey { background: #f9e2af; color: #1e1e2e; }
.hex-timestamp { background: #fab387; color: #1e1e2e; }
.hex-signature { background: #f38ba8; color: #1e1e2e; }
.hex-flags { background: #94e2d5; color: #1e1e2e; }
.hex-lat, .hex-lon, .hex-location { background: #89b4fa; color: #1e1e2e; }
.hex-name { background: #cba6f7; color: #1e1e2e; }

.hex-legend {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; font-size: 11px;
}
.hex-legend span {
  display: inline-flex; align-items: center; gap: 4px;
}
.hex-legend .swatch {
  display: inline-block; width: 12px; height: 12px; border-radius: 2px;
}

/* === Field Breakdown Table === */
.field-table {
  width: 100%; border-collapse: collapse; font-size: 11px; margin-bottom: 12px;
}
.field-table th {
  text-align: left; padding: 6px 8px; background: var(--nav-bg); color: var(--nav-text);
  font-size: 11px; text-transform: uppercase; letter-spacing: .3px;
}
.field-table td {
  padding: 5px 8px; border-bottom: 1px solid var(--border);
}
.field-table .section-row td {
  background: var(--section-bg, #eef2ff); font-weight: 700; font-size: 11px;
  text-transform: uppercase; letter-spacing: .5px; color: var(--accent);
}

/* === Path display === */
.path-hops {
  display: inline-flex; align-items: center; gap: 2px; font-family: var(--mono); font-size: 11px;
}
.path-hops .hop { color: var(--accent); }
.path-hops .hop-named { color: #fff; background: var(--accent); padding: 1px 6px; border-radius: 3px; font-family: var(--font); font-weight: 600; cursor: default; }
.path-hops .arrow { color: var(--text-muted); }

/* === Modal === */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200;
  display: flex; align-items: center; justify-content: center;
}
.modal {
  background: var(--card-bg); border-radius: 12px; padding: 24px; width: 500px;
  max-width: 90vw; max-height: 80vh; overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
}
.modal h3 { margin-bottom: 12px; }
.modal textarea {
  width: 100%; height: 120px; font-family: var(--mono); font-size: 13px;
  padding: 10px; border: 1px solid var(--border); border-radius: 6px;
  resize: vertical; margin-bottom: 12px;
}
.modal .btn-primary {
  background: var(--accent); color: #fff; border: none; padding: 8px 20px;
  border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.modal .btn-primary:hover { background: var(--accent-hover); }
.modal .btn-close {
  background: none; border: 1px solid var(--border); padding: 8px 16px;
  border-radius: 6px; cursor: pointer; margin-left: 8px; font-size: 14px;
}

/* === Map Controls Panel === */
.map-controls {
  position: absolute; top: 12px; right: 12px; z-index: 1000;
  background: var(--card-bg); border-radius: 10px; padding: 14px 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,.15); width: 220px; font-size: 13px;
  max-height: calc(100% - 24px); overflow-y: auto;
}
.map-controls h3 { font-size: 15px; margin-bottom: 10px; }
.mc-section { margin-bottom: 10px; }
.mc-label { font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .3px; color: var(--text-muted); margin-bottom: 4px; }
.mc-section label { display: block; padding: 2px 0; cursor: pointer; }
.mc-section select { width: 100%; padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.mc-jumps { display: flex; flex-wrap: wrap; gap: 4px; }
.mc-jump-btn {
  padding: 3px 10px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--input-bg); cursor: pointer; font-size: 12px; font-weight: 600;
}
.mc-jump-btn:hover { background: var(--row-hover); }
fieldset.mc-section { border: none; padding: 0; margin: 0 0 10px 0; min-width: 0; }
fieldset.mc-section legend.mc-label { padding: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* === Misc === */
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* === Channels Page === */
.ch-layout { display: flex; height: 100%; overflow: hidden; }
.ch-sidebar {
  width: 280px; min-width: 280px; background: var(--card-bg);
  border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden;
}
.ch-sidebar-header {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.ch-sidebar-title {
  display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; margin-bottom: 8px;
}
.ch-icon { font-size: 20px; }
.ch-sidebar-controls { display: flex; align-items: center; gap: 6px; }
.ch-region-select {
  flex: 1; padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 12px; background: var(--input-bg); color: var(--text); font-family: var(--font);
}
.ch-gear-btn {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; cursor: pointer; font-size: 14px;
}
.ch-gear-btn:hover { background: var(--row-hover); }
.ch-channel-list { flex: 1; overflow-y: auto; }
button.ch-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  cursor: pointer; transition: background .12s; border: none; border-bottom: 1px solid var(--border);
  background: transparent; width: 100%; text-align: left; color: var(--text);
  font-family: inherit; font-size: inherit; line-height: inherit;
  -webkit-tap-highlight-color: rgba(0,0,0,.08);
  touch-action: manipulation;
}
button.ch-item:hover { background: var(--row-hover); }
button.ch-item:active { background: var(--selected-bg); }
button.ch-item.selected { background: var(--selected-bg); }
.ch-badge {
  width: 40px; height: 40px; min-width: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .3px;
}
.ch-item-body { flex: 1; min-width: 0; }
.ch-item-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2px; }
.ch-item-name { font-weight: 600; font-size: 14px; }
.ch-item-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; }
.ch-item-preview { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.ch-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; }

/* Sidebar resize handle (#89) */
.ch-sidebar-resize {
  position: absolute; top: 0; right: -3px; width: 6px; height: 100%;
  cursor: col-resize; z-index: 10; background: transparent;
}
.ch-sidebar-resize:hover { background: var(--accent); opacity: 0.3; }
.ch-sidebar { position: relative; }
.ch-main-header {
  padding: 14px 20px; font-size: 16px; font-weight: 700;
  border-bottom: 1px solid var(--border); background: var(--card-bg);
  display: flex; align-items: center; gap: 8px;
}
.ch-back-btn {
  display: none; background: none; border: none; font-size: 22px; cursor: pointer;
  color: var(--text); padding: 8px 12px; border-radius: 4px;
  align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px;
  -webkit-tap-highlight-color: rgba(0,0,0,.08);
  touch-action: manipulation;
}
.ch-back-btn:hover { background: var(--row-hover); }
.ch-header-text { flex: 1; }
.ch-messages {
  flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 16px;
  background: var(--content-bg);
}
.ch-empty, .ch-loading { color: var(--text-muted); text-align: center; padding: 40px; font-size: 14px; margin: auto; }
.ch-msg { display: flex; gap: 12px; }
.ch-avatar {
  width: 36px; height: 36px; min-width: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 15px; margin-top: 2px;
}
.ch-msg-content { flex: 1; min-width: 0; }
.ch-msg-sender { font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.ch-msg-bubble {
  background: var(--surface-1); color: var(--text); padding: 10px 14px; border-radius: 4px 12px 12px 12px;
  font-size: 14px; line-height: 1.5; word-break: break-word; display: inline-block; max-width: 100%;
  border: 1px solid var(--border);
}
.ch-mention { color: var(--accent); font-weight: 600; }
.ch-encrypted-text { font-size: 11px; color: var(--text-muted); }
.ch-msg-meta { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.ch-analyze-link { color: var(--accent); text-decoration: none; margin-left: 8px; }
.ch-analyze-link:hover { text-decoration: underline; }
.ch-scroll-btn {
  position: absolute; bottom: 16px; right: 24px; background: var(--accent); color: #fff;
  border: none; border-radius: 20px; padding: 8px 16px; font-size: 12px; font-weight: 600;
  cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.2); z-index: 10;
}
.ch-scroll-btn:hover { background: var(--accent-hover); }
.ch-scroll-btn.hidden { display: none; }

/* Clickable sender names */
.ch-sender-link { cursor: pointer; text-decoration: none; }
.ch-sender-link:hover { text-decoration: underline; }
.ch-avatar { cursor: pointer; }

/* Node tooltip (hover) */
.ch-node-tooltip {
  position: fixed; z-index: 1000; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; box-shadow: 0 4px 16px rgba(0,0,0,.15);
  min-width: 180px; max-width: 260px;
}
.ch-tooltip-name { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.ch-tooltip-role { font-size: 12px; color: var(--text-muted); margin-bottom: 2px; }
.ch-tooltip-meta { font-size: 11px; color: var(--text-muted); }
.ch-tooltip-key { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

/* Node detail panel (slide from right) */
.ch-node-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 320px; max-width: 80%;
  background: var(--card-bg); border-left: 1px solid var(--border);
  box-shadow: -4px 0 16px rgba(0,0,0,.1); z-index: 20;
  transform: translateX(100%); transition: transform .2s ease;
  overflow-y: auto; display: flex; flex-direction: column;
}
.ch-node-panel.open { transform: translateX(0); }
.ch-node-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid var(--border); position: sticky; top: 0;
  background: var(--card-bg); z-index: 1;
}
.ch-node-close {
  background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-muted);
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
}
.ch-node-close:hover { background: var(--row-hover); color: var(--text); }
.ch-node-panel-body { padding: 16px; flex: 1; }
.ch-node-field { font-size: 13px; margin-bottom: 8px; }
.ch-node-label { display: block; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .3px; margin-bottom: 2px; }
.ch-node-adverts { margin-top: 12px; }
.ch-node-advert { font-size: 12px; color: var(--text-muted); padding: 4px 0; border-bottom: 1px solid var(--border); }
.ch-node-link { display: inline-block; margin-top: 12px; color: var(--accent); text-decoration: none; font-size: 13px; }
.ch-node-link:hover { text-decoration: underline; }

/* === Nodes Page === */
.nodes-page { display: flex; flex-direction: column; height: 100%; }
.nodes-page .split-layout { flex: 1; min-height: 0; }
.nodes-topbar {
  padding: 12px 16px; display: flex; align-items: center; gap: 16px;
  border-bottom: 1px solid var(--border); background: var(--card-bg); flex-shrink: 0;
}
.nodes-search {
  flex: 1; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; background: var(--input-bg); color: var(--text); font-family: var(--font);
}
.nodes-counts { display: flex; gap: 8px; flex-shrink: 0; }
.node-count-pill {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 600; color: #fff; white-space: nowrap;
}
.nodes-tabs-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; flex-wrap: wrap; gap: 8px;
}
.nodes-tabs { display: flex; gap: 2px; }
.node-tab {
  padding: 7px 16px; border: none; background: none; cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--text-muted); border-bottom: 2px solid transparent;
  font-family: var(--font); transition: all .15s;
}
.node-tab:hover { color: var(--text); }
.node-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.nodes-filters { display: flex; gap: 8px; align-items: center; }
.nodes-filters select {
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; background: var(--input-bg); color: var(--text); font-family: var(--font);
}

/* Node Detail */
.node-detail { padding: 4px 0; }
.node-detail-name { font-size: 20px; font-weight: 700; margin: 12px 0 4px; }
.node-detail-role { margin-bottom: 12px; }
.node-detail-section { margin-bottom: 16px; }
.node-detail-section h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text-muted); margin-bottom: 8px; padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.node-detail-key {
  font-size: 11px; word-break: break-all; color: var(--text-muted);
  background: var(--row-stripe); padding: 6px 8px; border-radius: 4px; margin-bottom: 8px;
}
.node-map-container { margin-bottom: 8px; }
.qr-placeholder { text-align: center; padding: 12px; }
.qr-box {
  width: 120px; height: 120px; margin: 0 auto; border: 2px dashed var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 13px; border-radius: 8px;
}
.btn-primary {
  background: var(--accent); color: #fff; border: none; padding: 8px 20px;
  border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent-hover); }

/* Advert Timeline */
.advert-entry {
  display: flex; align-items: flex-start; gap: 10px; padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.advert-entry:last-child { border-bottom: none; }
.advert-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 4px;
}
.advert-info { font-size: 12px; line-height: 1.5; }

/* === Traces Page === */
.traces-page { padding: 16px; max-width: 1000px; overflow-y: auto; height: 100%; }
.trace-search {
  display: flex; gap: 8px; margin-bottom: 20px;
}
.trace-search input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: var(--mono); background: var(--input-bg); color: var(--text);
}
.trace-empty { text-align: center; padding: 40px; color: var(--text-muted); font-size: 14px; }
.trace-summary {
  display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.trace-stat {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 20px; text-align: center; flex: 1; min-width: 120px;
}
.trace-stat-value { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.trace-stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.trace-section {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.trace-section h3 { font-size: 14px; font-weight: 700; margin-bottom: 12px; }

/* Path Visualization */
.trace-path-viz {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  padding: 12px; background: var(--nav-bg); border-radius: 6px; margin-bottom: 8px;
}
.trace-path-hop {
  display: inline-block; padding: 4px 10px; background: var(--accent); color: #fff;
  border-radius: 4px; font-family: var(--mono); font-size: 12px; font-weight: 600;
}
.trace-path-arrow { color: var(--text-muted); font-size: 16px; }
.trace-path-label { color: var(--text-muted); font-size: 12px; font-style: italic; }
.trace-path-info { font-size: 12px; color: var(--text-muted); }

/* Timeline */
.tl-header {
  display: grid; grid-template-columns: 160px 1fr 70px 70px 70px;
  gap: 8px; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .3px; color: var(--text-muted); padding-bottom: 6px;
  border-bottom: 1px solid var(--border); margin-bottom: 4px;
}
.tl-row {
  display: grid; grid-template-columns: 160px 1fr 70px 70px 70px;
  gap: 8px; align-items: center; padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.tl-observer { font-size: 12px; font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tl-bar-container {
  position: relative; height: 16px; background: var(--border); border-radius: 8px;
}
.tl-marker {
  position: absolute; top: 2px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); transform: translateX(-50%);
  box-shadow: 0 0 6px rgba(74, 158, 255, .5);
}
.tl-delta { font-size: 11px; color: var(--text-muted); text-align: right; }
.tl-snr { font-size: 12px; font-weight: 600; text-align: right; }
.tl-snr.good { color: var(--status-green); }
.tl-snr.ok { color: var(--status-yellow); }
.tl-snr.bad { color: var(--status-red); }
.tl-rssi { font-size: 12px; color: var(--text-muted); text-align: right; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* === Observers Page === */
.observers-page { padding: 20px; max-width: 1200px; margin: 0 auto; overflow-y: auto; height: calc(100vh - 56px); }
.obs-summary { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.obs-stat { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); }
.health-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.health-dot.health-green { background: var(--status-green); box-shadow: 0 0 6px #22c55e80; }
.health-dot.health-yellow { background: var(--status-yellow); box-shadow: 0 0 6px #eab30880; }
.health-dot.health-red { background: var(--status-red); box-shadow: 0 0 6px #ef444480; }
.obs-table td:first-child { white-space: nowrap; }
.obs-table td:nth-child(6) { max-width: none; overflow: visible; }
.col-observer { min-width: 70px; max-width: none; }
.spark-bar { position: relative; min-width: 60px; max-width: 100px; flex: 1; height: 18px; background: var(--border); border-radius: 4px; overflow: hidden; display: inline-block; vertical-align: middle; }
@media (max-width: 640px) { .spark-bar { max-width: 60px; } }
.spark-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-hover, #60a5fa)); border-radius: 4px; transition: width 0.3s; }
.spark-label { position: absolute; right: 4px; top: 0; line-height: 18px; font-size: 11px; color: var(--text); font-weight: 500; }

/* === Dark mode input overrides === */
[data-theme="dark"] .filter-bar input,
[data-theme="dark"] .filter-bar select,
[data-theme="dark"] .nodes-search,
[data-theme="dark"] .ch-region-select,
[data-theme="dark"] .nodes-filters select,
[data-theme="dark"] .trace-search input,
[data-theme="dark"] .mc-jump-btn,
[data-theme="dark"] .filter-bar .btn { background: var(--input-bg); color: var(--text); border-color: var(--border); }
[data-theme="dark"] .filter-bar .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
[data-theme="dark"] .ch-item.selected,
[data-theme="dark"] .data-table tbody tr.selected { background: var(--selected-bg); }
[data-theme="dark"] .tl-bar-container { background: #334155; }
[data-theme="dark"] .spark-bar { background: #334155; }
[data-theme="dark"] .spark-label { color: #e2e8f0; }
[data-theme="dark"] .hex-dump { border: 1px solid var(--border); }
[data-theme="dark"] .mc-jump-btn { background: var(--surface-2); color: var(--text); }

/* === Search Overlay === */
.search-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 300;
  display: flex; align-items: flex-start; justify-content: center; padding-top: 80px;
}
.search-overlay.hidden { display: none; }
.search-box {
  background: var(--card-bg); border-radius: 12px; width: 560px; max-width: 90vw;
  box-shadow: 0 16px 48px rgba(0,0,0,.3); overflow: hidden;
}
.search-box input {
  width: 100%; padding: 16px 20px; border: none; font-size: 16px;
  background: var(--card-bg); color: var(--text); font-family: var(--font);
  outline: none; border-bottom: 1px solid var(--border);
}
.search-results { max-height: 400px; overflow-y: auto; }
.search-result-item {
  padding: 10px 20px; cursor: pointer; font-size: 13px;
  border-bottom: 1px solid var(--border); transition: background .1s;
}
.search-result-item:hover { background: var(--row-hover); }
.search-result-type { font-size: 10px; font-weight: 700; text-transform: uppercase; color: var(--accent); margin-right: 8px; }
.search-no-results { padding: 20px; text-align: center; color: var(--text-muted); font-size: 14px; }

/* === Loading States & Transitions (M16) === */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--border) 25%, var(--row-hover) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}
.skeleton-line { height: 14px; margin-bottom: 10px; }
.skeleton-line.short { width: 60%; }
.skeleton-line.shorter { width: 40%; }
.skeleton-table-row { display: flex; gap: 12px; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.skeleton-table-cell { height: 16px; flex: 1; }
.skeleton-table-cell.narrow { max-width: 80px; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.page-enter { animation: fadeIn 150ms ease-out; }

.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state-text { font-size: 15px; font-weight: 500; margin-bottom: 4px; }
.empty-state-hint { font-size: 13px; }

/* === M17 Visual Juice === */
@keyframes row-flash {
  0% { background: rgba(74, 158, 255, 0.25); }
  100% { background: transparent; }
}
.data-table tbody tr.new-row { animation: row-flash 800ms ease-out; }

.data-table th.sortable { cursor: pointer; user-select: none; }
.data-table th.sortable:hover { color: var(--accent); }
.data-table th.sort-active { color: var(--accent); }
.data-table th .sort-arrow { font-size: 10px; margin-left: 4px; opacity: 0.7; }
.data-table tbody tr { border-left: 3px solid transparent; transition: border-color 0.15s, background 0.15s; }
.data-table tbody tr:hover { border-left-color: var(--accent); }

.badge { transition: transform 0.15s ease; }
.badge:hover { transform: scale(1.05); }

@keyframes slideInRight { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.panel-right:not(.empty) { animation: slideInRight 200ms ease-out; }

/* === Hamburger (hidden on desktop) === */
.hamburger { display: none; }
/* Ensure nav stays above Leaflet map */
.nav-links.open { z-index: 1100; }
#map-wrap .leaflet-container { z-index: 1; }

/* === Responsive — Tablet (≤900px) === */
@media (max-width: 900px) {
  .panel-right { width: 320px; min-width: 320px; }
  .ch-sidebar { width: 220px; min-width: 220px; }
  .nav-stats { display: none; }
  .brand-text { font-size: 14px; }
  .nav-link { padding: 14px 8px; font-size: 13px; }
  .map-controls { width: 180px; font-size: 12px; }
}

/* === Responsive — Mobile (≤640px) === */
@media (max-width: 640px) {
  /* Nav: hamburger + collapse */
  .hamburger { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; top: 52px; left: 0; right: 0;
    background: var(--nav-bg); flex-direction: column; padding: 8px 0;
    box-shadow: 0 8px 24px rgba(0,0,0,.4); z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 20px; border-bottom: none; }
  .nav-link.active { background: rgba(74,158,255,0.15); border-radius: 0; margin: 0; padding: 12px 20px; }
  .nav-left { gap: 12px; }
  .brand-text { display: none; }
  .nav-right { gap: 4px; }

  /* Layouts: stack instead of side-by-side */
  .split-layout { flex-direction: column; overflow-y: auto; }
  .panel-left { padding: 6px; flex: 1; min-height: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .panel-right { display: none; }

  /* Channels: Discord-style full screen toggle */
  .ch-layout { flex-direction: row; position: relative; }
  .ch-sidebar { 
    width: 100%; min-width: 0; max-height: none; height: 100%; 
    border-right: none; position: absolute; top: 0; left: 0; bottom: 0;
    z-index: 2; background: var(--card-bg);
  }
  .ch-main { 
    width: 100%; position: absolute; top: 0; left: 0; bottom: 0;
    transform: translateX(100%); transition: transform .2s ease;
    z-index: 3; background: var(--content-bg);
  }
  .ch-layout.ch-show-main .ch-main { transform: translateX(0); }
  .ch-back-btn { display: flex; }
  .ch-main-header { display: flex; align-items: center; gap: 8px; }

  /* Tables: smaller text for mobile */
  .data-table { font-size: 11px; min-width: 0; }
  .data-table td { padding: 5px 4px; max-width: 100px; }
  .data-table th { padding: 5px 4px; font-size: 10px; }
  .panel-left { overflow-x: auto; }

  /* Filters: collapse on mobile */
  .filter-bar { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  .filter-toggle-btn { display: inline-flex !important; }
  .filter-bar > *:not(.filter-toggle-btn):not(.col-toggle-wrap) { display: none; }
  .filter-bar.filters-expanded > * { display: inline-flex; }
  .filter-bar.filters-expanded > .col-toggle-wrap { display: inline-block; }
  .filter-bar.filters-expanded input { width: 100%; }
  .filter-bar.filters-expanded select { width: 100%; }
  .filter-group { flex-wrap: wrap; }
  .filter-group + .filter-group { border-left: none; padding-left: 0; margin-left: 0; }
  .filter-bar .btn { min-height: 36px; }
  .node-filter-wrap { width: 100%; }

  /* Nodes */
  .nodes-topbar { flex-direction: column; gap: 8px; padding: 10px; }
  .nodes-tabs-bar { flex-direction: column; }
  .nodes-counts { flex-wrap: wrap; }
  .node-count-pill { font-size: 11px; padding: 2px 8px; }

  /* Traces */
  .trace-summary { flex-direction: column; }
  .tl-header, .tl-row { grid-template-columns: 100px 1fr 50px 50px 50px; gap: 4px; font-size: 11px; }

  /* Search overlay: full width */
  .search-box { width: 95vw; }
  .search-overlay { padding-top: 60px; }

  /* Map controls */
  .map-controls { width: calc(100vw - 24px); right: 12px; top: 8px; max-height: 200px; font-size: 12px; padding: 10px 12px; }
  #leaflet-map { z-index: 0; }
  #map-wrap { z-index: 0; }

  /* Detail: smaller text */
  .detail-meta { grid-template-columns: 1fr; }
  .hex-dump { font-size: 10px; }

  /* Modal */
  .modal { width: 95vw; padding: 16px; }

  /* Page header */
  .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* === Grouped Packet Rows === */
.group-header { cursor: pointer; font-weight: 600; }
.group-header td:first-child::before { content: '▶ '; font-size: 10px; color: var(--accent); transition: transform 0.15s; display: inline-block; }
.group-header.expanded td:first-child::before { content: '▼ '; }
.group-header:hover { background: var(--row-hover); }
.group-child { font-size: 12px; }
.group-child td { padding-left: 20px; }
.group-child.hidden { display: none; }

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Favorite stars */
.fav-star {
  background: none; border: none; cursor: pointer; font-size: 1.1rem;
  color: var(--text-muted); padding: 2px 4px; line-height: 1;
  transition: color .15s, transform .15s;
}
.fav-star:hover { transform: scale(1.2); }
.fav-star.on { color: var(--status-yellow); }

/* BYOP Decode Modal */
.byop-modal { max-width: 560px; }
.byop-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.byop-header h3 { margin: 0; }
.byop-x { font-size: 1.2rem; color: var(--text-muted); background: none; border: none; cursor: pointer; }
.byop-input {
  width: 100%; min-height: 60px; max-height: 120px; resize: vertical;
  font-family: var(--mono); font-size: .8rem; padding: 10px;
  border: 1px solid var(--border); border-radius: 6px; background: var(--surface-1);
  color: var(--text);
}
.byop-input:focus { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 1px; }
.byop-err { color: var(--status-red); font-size: .85rem; }
.byop-decoded { margin-top: 8px; }
.byop-section { margin-bottom: 14px; }
.byop-section-title {
  font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--accent); font-weight: 600; margin-bottom: 6px;
  padding-bottom: 4px; border-bottom: 1px solid var(--border);
}
.byop-kv { display: flex; flex-direction: column; gap: 4px; }
.byop-row { display: flex; gap: 12px; font-size: .85rem; }
.byop-key { color: var(--text-muted); min-width: 110px; flex-shrink: 0; }
.byop-val { color: var(--text); word-break: break-all; }
.byop-path { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-family: var(--mono); font-size: .8rem; }
.byop-hex { font-size: .75rem; word-break: break-all; color: var(--text-muted); background: var(--surface-1); padding: 8px; border-radius: 4px; max-height: 80px; overflow: auto; }
.byop-pre { font-size: .75rem; margin: 0; white-space: pre-wrap; }

/* Favorites nav dropdown */
.nav-fav-wrap { position: relative; }
.nav-fav-dropdown {
  display: none; position: absolute; top: 100%; right: 0; z-index: 1000;
  min-width: 260px; max-height: 360px; overflow-y: auto;
  background: var(--surface-1, var(--detail-bg)); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15); margin-top: 6px;
}
.nav-fav-dropdown.open { display: block; }
.fav-dd-empty { padding: 20px; text-align: center; color: var(--text-muted); font-size: .85rem; }
.fav-dd-loading { padding: 16px; text-align: center; color: var(--text-muted); font-size: .85rem; }
.fav-dd-item {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  text-decoration: none; color: var(--text); transition: background .1s;
  border-bottom: 1px solid var(--border);
}
.fav-dd-item:last-child { border-bottom: none; }
.fav-dd-item:hover { background: var(--surface-1); }
.fav-dd-status { font-size: .7rem; flex-shrink: 0; }
.fav-dd-name { flex: 1; font-size: .85rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fav-dd-meta { font-size: .75rem; color: var(--text-muted); flex-shrink: 0; }
.fav-dd-star { font-size: .9rem; }

/* Leaflet popup accessibility — ensure readable in both themes */
.leaflet-popup-content-wrapper {
  background: var(--card-bg) !important; color: var(--text) !important;
  border-radius: 8px !important; box-shadow: 0 4px 12px rgba(0,0,0,.2) !important;
}
.leaflet-popup-tip { background: var(--card-bg) !important; }
.leaflet-popup-content { color: var(--text) !important; font-size: 13px !important; }

/* Column resize handles */
.col-resize-handle {
  position: absolute; top: 0; right: -4px; width: 9px; height: 100%;
  cursor: col-resize; z-index: 5; background: transparent; border-radius: 1px;
}
.col-resize-handle::after {
  content: ''; position: absolute; top: 4px; left: 3px; width: 3px; height: calc(100% - 8px);
  background: var(--border); border-radius: 1px;
}
.col-resize-handle:hover::after, .col-resize-handle.active::after {
  background: var(--accent); opacity: 0.6;
}

/* Encrypted channels de-emphasized */
button.ch-item.ch-item-encrypted { opacity: 0.5; }
button.ch-item.ch-item-encrypted:hover { opacity: 0.7; }
button.ch-item.ch-item-encrypted.selected { opacity: 0.8; }
button.ch-item.ch-item-encrypted .ch-badge { filter: grayscale(0.6); }

/* Touch-friendly tappable elements */
.ch-tappable {
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(0,0,0,.08);
  user-select: none; -webkit-user-select: none;
}
.ch-msg-sender.ch-tappable {
  display: inline-block;
  padding: 4px 6px 4px 0;
  margin: -4px 0 0 -0px;
  min-height: 32px;
  line-height: 24px;
  border-radius: 4px;
}
.ch-msg-sender.ch-tappable:active { opacity: 0.6; }
@media (max-width: 640px) {
  .ch-msg-sender.ch-tappable {
    padding: 6px 10px 6px 0;
    min-height: 36px;
    font-size: 14px;
  }
  .ch-avatar.ch-tappable { min-width: 44px; min-height: 44px; width: 44px; height: 44px; }
}

/* Full-screen node detail */
.node-fullscreen { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.node-full-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: var(--card-bg); min-height: 48px;
}
.node-back-btn { display: flex !important; }
.node-full-title { font-weight: 700; font-size: 17px; flex: 1; }
.node-full-body { flex: 1; overflow-y: auto; padding: 16px; }
.node-full-card {
  background: var(--card-bg); border-radius: 8px; padding: 16px;
  margin-bottom: 12px; border: 1px solid var(--border);
}
.node-full-card h4 { margin: 0 0 10px; font-size: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.node-activity-list { display: flex; flex-direction: column; gap: 6px; }
.node-activity-item {
  display: flex; gap: 8px; font-size: 13px; padding: 6px 0;
  border-bottom: 1px solid var(--border); align-items: baseline;
}
.node-activity-item:last-child { border-bottom: none; }
.node-activity-time { color: var(--text-muted); white-space: nowrap; min-width: 70px; font-size: 12px; }

/* Analytics page */
.analytics-page { padding: 16px 24px; max-width: 1600px; margin: 0 auto; overflow-y: auto; height: 100%; }
.analytics-header { margin-bottom: 20px; }
.analytics-header h2 { margin: 0 0 4px; }
.analytics-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 16px; margin-bottom: 16px; }
.analytics-grid .analytics-card { margin-bottom: 0; }
.analytics-full { grid-column: 1 / -1; }
.analytics-card h3 { margin: 0 0 8px; font-size: 15px; }
.analytics-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.analytics-table th { text-align: left; padding: 8px; border-bottom: 2px solid var(--border); font-size: 12px; text-transform: uppercase; color: var(--text-muted); }
.analytics-table td { padding: 8px; border-bottom: 1px solid var(--border); }
.hash-bars { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.hash-bar-row { display: flex; align-items: center; gap: 12px; }
.hash-bar-label { min-width: 160px; font-size: 13px; }
.hash-bar-track { flex: 1; height: 24px; background: var(--border); border-radius: 4px; overflow: hidden; }
.hash-bar-fill { height: 100%; border-radius: 4px; transition: width .3s; }
.hash-cell.hash-active:hover { outline: 2px solid var(--accent); outline-offset: -2px; }
.hash-cell.hash-selected { outline: 2px solid var(--accent); outline-offset: -2px; box-shadow: 0 0 6px var(--accent); }
.hash-bar-value { min-width: 120px; text-align: right; font-size: 13px; font-weight: 600; }
.badge-hash-1 { background: #ef444420; color: var(--status-red); }
.badge-hash-2 { background: #22c55e20; color: var(--status-green); }
.badge-hash-3 { background: #3b82f620; color: var(--accent); }
.timeline-legend { display: flex; gap: 16px; justify-content: center; margin-top: 8px; font-size: 12px; }
.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; vertical-align: middle; }
.timeline-chart svg { display: block; }
@media (max-width: 640px) {
  .hash-bar-label { min-width: 80px; }
  .hash-bar-value { min-width: 80px; font-size: 12px; }
  .hash-bar-label span { display: none; }
}
.clickable-row { cursor: pointer; }
.clickable-row:hover { background: var(--hover-bg, rgba(0,0,0,.04)); }
.analytics-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.analytics-link:hover { text-decoration: underline; }

/* Analytics v2 */
.analytics-tabs { display: flex; gap: 4px; margin-top: 12px; flex-wrap: wrap; }
.tab-btn { padding: 6px 14px; border: 1px solid var(--border); border-radius: 6px; background: var(--card-bg); color: var(--text); cursor: pointer; font-size: 13px; transition: all .15s; }
.tab-btn:hover { background: var(--hover-bg, rgba(0,0,0,.04)); }
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 240px)); gap: 12px; margin-bottom: 16px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text); }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stat-detail { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.stat-spark { margin-top: 6px; display: flex; justify-content: center; }
.analytics-row { display: flex; gap: 16px; margin-bottom: 16px; }
.analytics-row .flex-1 { flex: 1; min-width: 0; }
.rf-stats { display: flex; gap: 16px; flex-wrap: wrap; padding-top: 8px; font-size: 13px; }
.payload-bars { display: flex; flex-direction: column; gap: 6px; }
.payload-bar-row { display: flex; align-items: center; gap: 8px; }
.payload-bar-label { min-width: 100px; font-size: 12px; display: flex; align-items: center; gap: 4px; }
.payload-bar-value { min-width: 100px; text-align: right; font-size: 12px; }
.repeater-list { display: flex; flex-direction: column; gap: 4px; }
.repeater-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.repeater-name { min-width: 140px; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.repeater-bar { flex: 1; }
.repeater-count { min-width: 60px; text-align: right; font-size: 12px; font-weight: 600; }
.reach-rings { display: flex; flex-direction: column; gap: 6px; }
.reach-ring { display: flex; align-items: baseline; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.reach-hop { min-width: 70px; font-weight: 700; font-size: 13px; }
.reach-nodes { flex: 1; font-size: 12px; line-height: 1.6; }
.reach-count { min-width: 70px; text-align: right; font-size: 12px; color: var(--text-muted); }
@media (max-width: 640px) {
  .analytics-row { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .repeater-name { min-width: 80px; }
  .reach-ring { flex-wrap: wrap; }
  .analytics-page { padding: 12px; }
  .analytics-grid { grid-template-columns: 1fr; }
}
.observer-selector { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.node-qr { text-align: center; margin-top: 8px; }
.node-qr svg { max-width: 100px; border-radius: 4px; }
[data-theme="dark"] .node-qr svg rect[fill="#ffffff"] { fill: var(--card-bg); }
[data-theme="dark"] .node-qr svg rect[fill="#000000"] { fill: var(--text); }
.node-map-qr-wrap { position: relative; }
.node-map-qr-overlay { position: absolute; bottom: 8px; right: 8px; z-index: 400; background: rgba(255,255,255,0.5); border-radius: 4px; padding: 4px; line-height: 0; margin: 0; text-align: center; }
.node-map-qr-overlay svg { max-width: 56px !important; display: block; margin: 0; }
[data-theme="dark"] .node-map-qr-overlay { background: rgba(255,255,255,0.4); }

/* Replay on Live Map button in packet detail */
.detail-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.replay-live-btn {
  padding: 5px 12px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #c084fc;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.replay-live-btn:hover { background: rgba(168, 85, 247, 0.3); }

/* Node filter dropdown */
.node-filter-wrap { display: inline-block; }
.node-filter-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface-1, #1e293b);
  border: 1px solid var(--border, rgba(255,255,255,0.1));
  border-radius: 6px;
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.node-filter-dropdown.hidden { display: none; }
.node-filter-option {
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.1s;
}
.node-filter-option:hover { background: var(--surface-2, rgba(255,255,255,0.08)); }
.node-filter-option.node-filter-active { background: var(--accent); color: #fff; }

/* Hide low-value columns on mobile */
@media (max-width: 640px) {
  .col-region, .col-rpt, .col-size { display: none; }
}

/* Clickable hop links */
.hop-link {
  color: var(--accent, #3b82f6);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}
.hop-link:hover { color: var(--accent-hover, #60a5fa); text-decoration: underline; }

/* Detail map link */
.detail-map-link {
  padding: 5px 12px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fbbf24;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}
.detail-map-link:hover { background: rgba(245, 158, 11, 0.25); }

.copy-link-btn {
  padding: 5px 12px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent, #3b82f6);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.copy-link-btn:hover { background: rgba(59, 130, 246, 0.25); }

/* Route tooltip on map */
.route-tooltip {
  background: rgba(0,0,0,0.8) !important;
  color: #fbbf24 !important;
  border: 1px solid rgba(245,158,11,0.3) !important;
  font-weight: 600;
  font-size: 0.75rem;
}

/* Ambiguous hop indicator */
.hop-ambiguous { border-bottom: 1px dashed var(--status-yellow, #f59e0b); }
.hop-warn { font-size: 0.7em; margin-left: 2px; vertical-align: super; color: var(--status-yellow, #f59e0b); }
.hop-conflict-btn { background: var(--status-yellow, #f59e0b); color: #000; border: none; border-radius: 4px; font-size: 11px;
  font-weight: 700; padding: 1px 5px; cursor: pointer; vertical-align: middle; margin-left: 3px; line-height: 1.2; }
.hop-conflict-btn:hover { background: var(--status-yellow, #d97706); filter: brightness(0.85); }
.hop-conflict-popover { position: absolute; z-index: 9999; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.25); width: 260px; max-height: 300px; overflow-y: auto; }
.hop-conflict-header { padding: 10px 12px; font-size: 12px; font-weight: 700; border-bottom: 1px solid var(--border);
  color: var(--text-muted); }
.hop-conflict-list { padding: 4px 0; }
.hop-conflict-item { display: flex; align-items: center; gap: 8px; padding: 8px 12px; text-decoration: none;
  color: var(--text); font-size: 13px; border-bottom: 1px solid var(--border); }
.hop-conflict-item:last-child { border-bottom: none; }
.hop-conflict-item:hover { background: var(--hover-bg); }
.hop-conflict-name { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hop-conflict-dist { font-size: 11px; color: var(--text-muted); font-family: var(--mono); white-space: nowrap; }
.hop-conflict-pk { font-size: 10px; color: var(--text-muted); font-family: var(--mono); }
.hop-unreliable { opacity: 0.5; text-decoration: line-through; }
.hop-global-fallback { border-bottom: 1px dashed var(--status-red); }
.hop-current { font-weight: 700 !important; color: var(--accent) !important; }

/* Self-loop subpath rows */
.subpath-selfloop { opacity: 0.6; }
.subpath-selfloop td:first-child::after { content: ''; }

/* Hop prefix in subpath routes */
.hop-prefix { color: var(--text-muted); font-size: 0.8em; }

/* Subpath split layout */
.subpath-layout { display: flex; gap: 0; flex: 1; min-height: 0; overflow: auto; position: relative; }
.subpath-list { flex: 1; overflow-y: auto; padding: 16px; min-width: 0; }
.subpath-detail { width: 420px; min-width: 360px; max-width: 50vw; border-left: 1px solid var(--border, #e5e7eb); overflow-y: auto; padding: 16px; transition: width 0.2s; }
.subpath-detail.collapsed { width: 0; min-width: 0; padding: 0; overflow: hidden; border: none; }
.subpath-detail-inner h4 { margin: 0 0 4px; word-break: break-word; }
.subpath-meta { display: flex; flex-direction: column; gap: 2px; margin-bottom: 12px; color: var(--text-muted); font-size: 0.9em; }
.subpath-section { margin: 16px 0; }
.subpath-section h5 { margin: 0 0 6px; font-size: 0.9em; }
.subpath-selected { background: var(--accent, #3b82f6) !important; color: #fff; }
.subpath-selected .hop-prefix { color: rgba(255,255,255,0.6); }
tr[data-hops]:hover { background: rgba(59,130,246,0.1); }

/* Hour distribution chart */
.hour-chart { display: flex; align-items: flex-end; gap: 2px; height: 60px; }
.hour-bar { flex: 1; background: var(--accent, #3b82f6); border-radius: 2px 2px 0 0; min-width: 4px; }
.hour-labels { display: flex; justify-content: space-between; font-size: 0.7em; color: var(--text-muted); }

/* Parent paths */
.parent-path { padding: 3px 0; border-bottom: 1px solid var(--border, #e5e7eb); }

@media (max-width: 768px) {
  .subpath-layout { flex-direction: column; height: auto; }
  .subpath-detail { width: 100%; border-left: none; border-top: 1px solid var(--border, #e5e7eb); }
}

@media (max-width: 480px) {
  .subpath-detail { min-width: 100%; width: 100%; max-width: 100%; }
  .subpath-layout { flex-direction: column; }
}

/* Legend swatches */
.legend-swatch { display: inline-block; width: 12px; height: 12px; border: 1px solid var(--border); vertical-align: middle; }

/* Subpath jump nav */
.subpath-jump-nav { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; font-size: 0.9em; flex-wrap: wrap; }
.subpath-jump-nav span { color: var(--text-muted); }
.subpath-jump-nav a { padding: 4px 12px; border-radius: 4px; background: var(--accent, #3b82f6); color: #fff; text-decoration: none; font-size: 0.85em; }
.subpath-jump-nav a:hover { opacity: 0.8; }

/* Route patterns table breathing room */
.subpath-list .analytics-table td:nth-child(2) { white-space: normal; word-break: break-word; max-width: 50vw; }
.subpath-list .analytics-table { table-layout: auto; }
.subpath-list h4 { margin-top: 24px; }

/* #70 — BYOP textarea larger on mobile */
@media (max-width: 640px) {
  .byop-input { min-height: 120px; }
}

/* #71 — Column visibility toggle */
.col-toggle-wrap { position: relative; display: inline-block; }
.col-toggle-btn { font-size: 13px; padding: 6px 10px; cursor: pointer; background: var(--input-bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); height: 34px; box-sizing: border-box; line-height: 1; }
.col-toggle-menu { display: none; position: absolute; top: 100%; left: 0; z-index: 50; background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 0; min-width: 150px; box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.col-toggle-menu.open { display: block; }
.col-toggle-menu label { display: flex; align-items: center; gap: 6px; padding: 4px 12px; font-size: .82rem; cursor: pointer; color: var(--text); }
.col-toggle-menu label input[type="checkbox"] { width: 14px; height: 14px; margin: 0; flex-shrink: 0; }
.col-toggle-menu label:hover { background: var(--row-hover); }

/* Column hide classes */
.hide-col-region .col-region,
.hide-col-time .col-time,
.hide-col-hash .col-hash,
.hide-col-size .col-size,
.hide-col-type .col-type,
.hide-col-observer .col-observer,
.hide-col-path .col-path,
.hide-col-rpt .col-rpt,
.hide-col-details .col-details { display: none; }

/* === Home page fixes === */

/* #25 — Widen home page content cap from 720px to 1200px */
.home-stats,
.home-health,
.home-journey,
.home-checklist,
.home-footer,
.home-favorites { max-width: 1200px; }

/* #40 — Increase suggest-claim touch target to ≥44px */
.suggest-claim { min-height: 44px; min-width: 44px; padding: 10px 14px; display: inline-flex; align-items: center; justify-content: center; }

/* #41 — Lower My Nodes grid minimum to prevent overflow on 375-640px */
.my-nodes-grid { max-width: 1200px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

/* #42 — Stats cards: use grid with max-width per card on wide screens */
.home-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 200px)); justify-content: center; }

/* #44 — Namespaced home sparkline classes (avoid collision with observers .spark-bar) */
.home-spark-label { font-size: .65rem; color: var(--text-muted); margin-bottom: 4px; }
.home-spark-bars { display: flex; align-items: flex-end; gap: 2px; height: 28px; }
.home-spark-bar { flex: 1; background: var(--accent); border-radius: 1px; min-width: 0; }

/* === Bug fixes: #17 #20 #21 #69 === */

/* #17 — Hash matrix mobile overflow */
.hash-matrix-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
@media (max-width: 640px) {
  .hash-matrix-table td { width: 24px !important; height: 24px !important; font-size: 0.7em !important; }
  .hash-matrix-table td .hash-cell { padding: 0; }
}

/* #20 — Observers table horizontal scroll on mobile */
.obs-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.obs-table-scroll .obs-table { min-width: 640px; }
@media (max-width: 640px) {
  .spark-bar { min-width: 60px; width: auto; }
}

/* #21 — Chat message bubble max-width */
.ch-msg-bubble { max-width: 720px; }

/* #69 — Touch-friendly resize handle */
@media (pointer: coarse) {
  .panel-resize-handle { width: 12px !important; }
}
/* #21 — max-width applied via .ch-msg-bubble rule above */

/* === Bug fixes: #16 collapsible controls, #53 detail map height === */
.map-controls-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1001;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--border, #333);
  background: var(--card-bg, #1e1e1e);
  color: var(--text, #fff);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.map-controls.collapsed {
  display: none;
}
.node-detail-map {
  height: 280px;
  min-height: 200px;
}
.node-top-row { display: flex; gap: 16px; margin-bottom: 12px; }
.node-top-row .node-map-wrap { flex: 3; min-height: 200px; border-radius: 8px; overflow: hidden; }
.node-top-row .node-map-wrap .node-detail-map { height: 100%; }
.node-top-row .node-qr-wrap { flex: 1; min-width: 120px; max-width: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.node-qr-wrap--full { max-width: 240px; margin: 0 auto; }
.node-stats-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 12px; }
.node-stats-table td { padding: 6px 12px; border-bottom: 1px solid var(--border); }
.node-stats-table tr:last-child td { border-bottom: none; }
.node-stats-table tr:nth-child(even) { background: var(--row-stripe); }
.node-stats-table td:first-child { font-weight: 600; color: var(--text-muted); width: 40%; white-space: nowrap; }
.node-stats-table td:last-child { font-weight: 500; }
@media (max-width: 768px) {
  .node-top-row { flex-direction: column; }
  .node-top-row .node-qr-wrap { min-height: auto; }
}
@media (max-width: 640px) {
  .node-detail-map {
    height: 200px;
    min-height: 160px;
  }
}
.detail-back-btn {
  background: none;
  border: 1px solid var(--border, #333);
  color: var(--text, #fff);
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

.meshcore-marker { background: none !important; border: none !important; }
.marker-stale { opacity: 0.7; filter: grayscale(90%) brightness(0.8); }
.last-seen-active { color: var(--status-green); }
.last-seen-stale { color: var(--text-muted); }

/* === Node Analytics === */
.analytics-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.analytics-stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; text-align: center; }
.analytics-stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 2px; }
.analytics-stat-value { font-size: 20px; font-weight: 700; }
.analytics-stat-desc { font-size: 10px; color: var(--text-muted); margin-top: 2px; font-style: italic; }
.analytics-charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.analytics-chart-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; }
.analytics-chart-card.full { grid-column: 1 / -1; }
.analytics-chart-card h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 4px; }
.analytics-chart-desc { font-size: 10px; color: var(--text-muted); margin-bottom: 8px; font-style: italic; }
.analytics-heatmap { display: grid; grid-template-columns: 40px repeat(24, 1fr); gap: 2px; }
.analytics-heatmap-cell { aspect-ratio: 1; border-radius: 2px; cursor: default; }
.analytics-heatmap-label { font-size: 10px; color: var(--text-muted); display: flex; align-items: center; }
.analytics-time-range { display: flex; gap: 8px; margin-bottom: 16px; }
.analytics-time-range button { padding: 4px 12px; border-radius: 4px; border: 1px solid var(--border); background: var(--card-bg); color: var(--text); cursor: pointer; font-size: 12px; }
.analytics-time-range button.active { background: var(--accent); color: white; border-color: var(--accent); }
.analytics-peer-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.analytics-peer-table th { text-align: left; padding: 6px 8px; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 11px; text-transform: uppercase; }
.analytics-peer-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
.analytics-peer-table tr:hover td { background: var(--card-bg); }
@media (max-width: 768px) { .analytics-stats { grid-template-columns: repeat(2, 1fr); } .analytics-charts { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .analytics-stats { grid-template-columns: 1fr; } }

/* Claimed (My Mesh) node rows */
.claimed-row { background: color-mix(in srgb, var(--accent) 8%, transparent) !important; border-left: 3px solid var(--accent); }
.claimed-row:hover { background: color-mix(in srgb, var(--accent) 14%, transparent) !important; }
.claimed-badge { color: var(--accent); font-size: 13px; margin-right: 2px; }

/* Filter toggle button — hidden on desktop */
.filter-toggle-btn { display: none; }

/* Mobile detail bottom sheet */
.mobile-detail-sheet {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  max-height: 70vh; background: var(--detail-bg);
  border-top-left-radius: 16px; border-top-right-radius: 16px;
  box-shadow: 0 -4px 24px rgba(0,0,0,.3);
  z-index: 200; overflow-y: auto; padding: 8px 16px 24px;
  transform: translateY(100%); transition: transform .25s ease;
}
.mobile-detail-sheet.open { display: block; transform: translateY(0); }
.mobile-sheet-handle {
  width: 40px; height: 4px; background: var(--border);
  border-radius: 2px; margin: 4px auto 8px; cursor: pointer;
}
.mobile-sheet-close {
  position: absolute; top: 8px; right: 12px;
  background: none; border: none; font-size: 20px;
  color: var(--text-muted); cursor: pointer; z-index: 1;
}
.mobile-sheet-close:hover { color: var(--text); }
.mobile-sheet-content { padding-top: 4px; }

/* Perf dashboard */
.perf-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 12px 20px; min-width: 120px; text-align: center; }
.perf-num { font-size: 24px; font-weight: 800; color: var(--text); font-variant-numeric: tabular-nums; }
.perf-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
.perf-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.perf-table th { text-align: left; padding: 6px 10px; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 11px; text-transform: uppercase; }
.perf-table td { padding: 5px 10px; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.perf-table code { font-size: 12px; color: var(--text); }
.perf-table .perf-slow { background: rgba(239, 68, 68, 0.08); }
.perf-table .perf-slow td { color: var(--status-red); }
.perf-table .perf-warn { background: rgba(251, 191, 36, 0.06); }
.perf-table .perf-warn td { color: var(--status-yellow); }

/* ─── Region filter bar ─── */
.region-filter-bar { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0; }
.region-filter-container { margin: 0; padding: 0; display: inline-flex; align-items: center; }
.region-pill {
  display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 16px;
  font-size: 12px; font-weight: 500; cursor: pointer; border: 1.5px solid var(--border);
  background: transparent; color: var(--text-muted); transition: all 0.15s;
}
.region-pill:hover { border-color: var(--accent); color: var(--accent); }
.region-pill-active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.region-pill-active:hover { opacity: 0.85; }
.region-filter-label {
  font-size: 12px; font-weight: 600; color: var(--text-muted); align-self: center;
  margin-right: 2px; user-select: none;
}
.region-dropdown-wrap { position: relative; display: inline-flex; align-items: center; }
.region-dropdown-trigger {
  display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 6px;
  font-size: 13px; font-weight: 500; cursor: pointer; border: 1px solid var(--border);
  background: var(--input-bg); color: var(--text); transition: all 0.15s;
  height: 34px; box-sizing: border-box; white-space: nowrap; line-height: 1;
}
.region-dropdown-trigger:hover { border-color: var(--accent); color: var(--accent); }
.region-dropdown-menu {
  position: absolute; top: 100%; left: 0; z-index: 90;
  min-width: 220px; width: max-content; max-height: 260px; overflow-y: auto;
  background: var(--card-bg, #fff); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12); padding: 4px 0;
}
.region-dropdown-item {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  font-size: 13px; cursor: pointer; color: var(--text); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; max-width: 320px;
}
.region-dropdown-item input[type="checkbox"] {
  width: 14px; height: 14px; margin: 0; flex-shrink: 0;
}
.region-dropdown-item:hover { background: var(--row-hover, #f5f5f5); }

/* Generic multi-select dropdown (Observer, Type filters) */
.multi-select-wrap { position: relative; display: inline-flex; align-items: center; }
.multi-select-trigger {
  display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 6px;
  font-size: 13px; font-weight: 500; cursor: pointer; border: 1px solid var(--border);
  background: var(--input-bg); color: var(--text); transition: all 0.15s;
  height: 34px; box-sizing: border-box; white-space: nowrap; line-height: 1;
}
.multi-select-trigger:hover { border-color: var(--accent); color: var(--accent); }
.multi-select-menu {
  position: absolute; top: 100%; left: 0; z-index: 90;
  min-width: 220px; max-height: 260px; overflow-y: auto;
  background: var(--card-bg, #fff); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12); padding: 4px 0; display: none;
}
.multi-select-menu.open { display: block; }
.multi-select-item {
  display: flex; align-items: center; gap: 6px; padding: 6px 12px;
  font-size: 13px; cursor: pointer; color: var(--text); white-space: nowrap;
}
.multi-select-item input[type="checkbox"] {
  width: 14px; height: 14px; margin: 0; flex-shrink: 0;
}
.multi-select-item:hover { background: var(--row-hover, #f5f5f5); }

.chan-tag { background: var(--accent, #3b82f6); color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 0.9em; font-weight: 600; }

/* Matrix mode hex animation */
.matrix-char { background: none !important; border: none !important; }
.matrix-char span { display: block; text-align: center; white-space: nowrap; line-height: 1; }

/* === Matrix Theme === */
.matrix-theme .leaflet-tile-pane {
  filter: brightness(1.1) contrast(1.2) sepia(0.6) hue-rotate(70deg) saturate(2);
}
.matrix-theme.leaflet-container::before {
  content: ''; position: absolute; inset: 0; z-index: 401;
  background: rgba(0, 60, 10, 0.35); mix-blend-mode: multiply; pointer-events: none;
}
.matrix-theme.leaflet-container::after {
  content: ''; position: absolute; inset: 0; z-index: 402;
  background: rgba(0, 255, 65, 0.06); mix-blend-mode: screen; pointer-events: none;
}
.matrix-theme { background: #000 !important; }
.matrix-theme .leaflet-control-zoom a { background: #0a0a0a !important; color: #00ff41 !important; border-color: #00ff4130 !important; }
.matrix-theme .leaflet-control-attribution { background: rgba(0,0,0,0.8) !important; color: #00ff4180 !important; }
.matrix-theme .leaflet-control-attribution a { color: #00ff4160 !important; }

/* Scanline overlay */
.matrix-scanlines {
  position: absolute; inset: 0; z-index: 9999; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,255,65,0.02) 2px, rgba(0,255,65,0.02) 4px);
}

/* Feed panel in matrix mode */
.matrix-theme .live-feed {
  background: rgba(0, 10, 0, 0.92) !important;
  border-color: #00ff4130 !important;
  font-family: 'Courier New', monospace !important;
}
.matrix-theme .live-feed .live-feed-item { color: #00ff41 !important; border-color: #00ff4115 !important; }
.matrix-theme .live-feed .live-feed-item:hover { background: rgba(0,255,65,0.08) !important; }
.matrix-theme .live-feed .feed-hide-btn { color: #00ff41 !important; }

/* Controls in matrix mode */
.matrix-theme .live-controls {
  background: rgba(0, 10, 0, 0.9) !important;
  border-color: #00ff4130 !important;
  color: #00ff41 !important;
}
.matrix-theme .live-controls label,
.matrix-theme .live-controls span,
.matrix-theme .live-controls .lcd-display { color: #00ff41 !important; }
.matrix-theme .live-controls button { color: #00ff41 !important; border-color: #00ff4130 !important; }
.matrix-theme .live-controls input[type="range"] { accent-color: #00ff41; }

/* Node detail panel in matrix mode */
.matrix-theme .live-node-detail {
  background: rgba(0, 10, 0, 0.95) !important;
  border-color: #00ff4130 !important;
  color: #00ff41 !important;
}
.matrix-theme .live-node-detail a { color: #00ff41 !important; }
.matrix-theme .live-node-detail .feed-hide-btn { color: #00ff41 !important; }

/* Node labels on map */
.matrix-theme .node-label { color: #00ff41 !important; text-shadow: 0 0 4px #00ff41 !important; }
.matrix-theme .leaflet-marker-icon:not(.matrix-char) { filter: hue-rotate(90deg) saturate(1) brightness(0.35) opacity(0.5); }

/* Audio controls */
.audio-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 4px 8px;
  font-size: 12px;
}
.audio-controls.hidden { display: none; }
.audio-slider-label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted, #6b7280);
  font-size: 11px;
  white-space: nowrap;
}
.audio-slider {
  width: 80px;
  height: 4px;
  cursor: pointer;
  accent-color: #8b5cf6;
}
.audio-slider-label span {
  min-width: 24px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.matrix-theme .audio-controls label,
.matrix-theme .audio-controls span { color: #00ff41 !important; }
.matrix-theme .audio-slider { accent-color: #00ff41; }

/* Audio voice selector */
.audio-voice-select {
  background: var(--input-bg, #1f2937);
  color: var(--text, #e5e7eb);
  border: 1px solid var(--border, #374151);
  border-radius: 4px;
  padding: 2px 4px;
  font-size: 11px;
  cursor: pointer;
}
.matrix-theme .audio-voice-select {
  background: #001a00 !important;
  color: #00ff41 !important;
  border-color: #00ff4130 !important;
}

/* Audio unlock overlay */
.audio-unlock-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.audio-unlock-prompt {
  background: #1f2937;
  color: #e5e7eb;
  padding: 24px 40px;
  border-radius: 12px;
  font-size: 20px;
  font-weight: 600;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  user-select: none;
}
.matrix-theme .audio-unlock-prompt {
  background: #001a00;
  color: #00ff41;
  box-shadow: 0 0 30px rgba(0,255,65,0.2);
}


/* Packet Filter Language */
.packet-filter-input { transition: border-color 0.2s; }
.packet-filter-input:focus { border-color: var(--accent); outline: none; }
.packet-filter-input.filter-error { border-color: var(--status-red); }
.packet-filter-input.filter-active { border-color: var(--status-green); }