:root {
  --bg-primary: #0a0f1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2235;
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.2);
  --purple: #a855f7;
  --amber: #f59e0b;
  --blue: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;
  --border: #1e293b;
  --green: #22c55e;
  --red: #ef4444;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
}

.stats-page {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  min-height: 100vh;
}

.mesh-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

.stats-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.status-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
  letter-spacing: 0.05em;
}

.status-pill.online {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.loading, .error-msg {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 14px;
}

.error-msg { color: var(--red); }

main { position: relative; z-index: 1; }

.hero { margin-bottom: 32px; }

.device-name {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero-stat { display: flex; align-items: baseline; gap: 12px; }

.hero-number {
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
  line-height: 1;
}

.hero-label {
  font-size: 16px;
  color: var(--text-secondary);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.chart-section { margin-bottom: 36px; }

.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  min-height: 260px;
}

.chart-container { width: 100%; height: 240px; }

.chart-card-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.chart-card-desc {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 8px;
  line-height: 1.3;
}

.signal-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.signal-num-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.signal-num-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.signal-num-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}

.signal-num-value.accent { color: var(--accent); }

.range-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.range-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.range-header {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.range-desc {
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 8px;
  line-height: 1.3;
}

.range-hop-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--amber);
  background: rgba(245, 158, 11, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  align-self: center;
  margin-left: 4px;
}

.range-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.range-value span:first-child {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.range-unit {
  font-size: 14px;
  color: var(--text-secondary);
}

.range-detail {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.range-bar-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.range-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 3px;
  transition: width 0.8s ease;
  width: 0;
}

.range-bar-fill.mesh {
  background: linear-gradient(90deg, var(--purple), var(--amber));
}

.protocol-bars {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.proto-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.proto-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  width: 110px;
  text-align: right;
  flex-shrink: 0;
}

.proto-bar-track {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.proto-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.6s ease;
}

.proto-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  width: 60px;
  flex-shrink: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.share-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.share-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  width: 420px;
  max-width: 90vw;
  position: relative;
}

.share-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}

.share-close:hover { color: var(--text-primary); }

.share-title {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.share-url-row {
  display: flex;
  gap: 8px;
}

.share-url-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 12px;
  outline: none;
}

.share-url-input:focus { border-color: var(--accent); }

.share-copy-btn {
  background: var(--accent);
  color: #0a0f1a;
  border: none;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 10px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.share-copy-btn:hover { opacity: 0.85; }

.stats-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stats-updated-note {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 12px;
  opacity: 0.7;
}

.stats-footer a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
}

.stats-footer a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .chart-row { grid-template-columns: 1fr; }
  .signal-numbers { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-number { font-size: 40px; }
  .stat-value { font-size: 20px; }
  .range-grid { grid-template-columns: 1fr; }
  .range-value span:first-child { font-size: 22px; }
}

/* ============================================================
   Featured-on-leaderboard badges (under hero)
   ============================================================ */
.featured-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 12px;
  transition: all 0.15s ease;
}

.featured-badge:hover {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.45);
  transform: translateY(-1px);
}

.featured-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--green);
  background: rgba(34, 197, 94, 0.15);
  padding: 2px 8px;
  border-radius: 999px;
}

.featured-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   Tab navigation (Overview / Nodes Seen)
   ============================================================ */
.mp-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.mp-tab {
  background: none;
  border: none;
  padding: 12px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.mp-tab:hover { color: var(--text-primary); }

.mp-tab--active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.mp-tab__count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  margin-left: 4px;
}

.mp-tab-panel { animation: fadeIn 0.18s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Direct vs Relayed segmented bar (replaces donut)
   ============================================================ */
.dr-wrap {
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dr-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.dr-summary-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.dr-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  align-self: center;
}

.dr-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dr-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.dr-pct {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.dr-bar {
  display: flex;
  height: 14px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
}

.dr-bar-direct {
  background: linear-gradient(90deg, #22c55e, #16a34a);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.dr-bar-relayed {
  background: linear-gradient(90deg, #a855f7, #7c3aed);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.dr-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   Nodes Seen tab
   ============================================================ */
.nodes-tab {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nodes-toolbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
}

.nodes-search,
.nodes-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s ease;
}

.nodes-search:focus,
.nodes-select:focus { border-color: var(--accent); }

.nodes-search::placeholder { color: var(--text-dim); }

.nodes-table-wrap { min-height: 300px; }

.nodes-loading,
.nodes-empty,
.nodes-error {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
}

.nodes-error { color: var(--red); }

.node-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-row {
  display: grid;
  grid-template-columns: 1.6fr 1.2fr 1.2fr;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  align-items: center;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.node-row:hover {
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.35);
}

.node-row__name {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.node-row__link {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-row__link:hover { color: var(--accent); }

.node-row__id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.node-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.node-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.node-tag--muted {
  background: var(--bg-card-hover);
  color: var(--text-secondary);
  border-color: var(--border);
}

.node-tag--router,
.node-tag--router_client,
.node-tag--router_late,
.node-tag--repeater {
  background: rgba(168, 85, 247, 0.12);
  color: var(--purple);
  border-color: rgba(168, 85, 247, 0.25);
}

.node-tag--tracker,
.node-tag--sensor {
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber);
  border-color: rgba(245, 158, 11, 0.25);
}

.node-row__signals {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 12px;
  color: var(--text-secondary);
}

.node-row__signals label {
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 4px;
}

.node-row__signals b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

.nodes-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}

.nodes-page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nodes-page-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.nodes-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.nodes-page-info {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

@media (max-width: 720px) {
  .nodes-toolbar { grid-template-columns: 1fr; }
  .node-row { grid-template-columns: 1fr; gap: 8px; }
  .node-row__signals { justify-content: flex-start; }
}