#v2-top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 44px;
  background: rgba(10, 10, 15, 0.92);
  border-bottom: 1px solid var(--neon-muted);
  backdrop-filter: blur(8px);
  font-family: var(--font-body);
  font-size: 13px;
  z-index: 10;
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  height: 100%;
}
.topbar-res b {
  color: var(--neon-primary);
  font-weight: 600;
  margin-left: 2px;
}
.topbar-sep {
  color: #2a2f38;
  font-weight: 400;
}
.topbar-dim {
  color: #8b949e;
  font-size: 11px;
  margin-left: 4px;
}
.topbar-btn {
  background: transparent;
  border: 1px solid var(--neon-muted);
  color: var(--neon-primary);
  width: 30px; height: 28px;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.topbar-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--neon-primary);
}
.topbar-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 14px;
  height: 14px;
  padding: 0 2px;
  border-radius: 7px;
  background: var(--danger);
  color: #fff;
  font-size: 9px;
  font-family: var(--font-label, Inter, sans-serif);
  font-weight: 700;
  line-height: 14px;
  text-align: center;
  pointer-events: none;
}
.topbar-goto {
  font-family: var(--font-body);
  font-size: 12px;
  width: 80px;
  padding: 3px 6px;
  background: var(--bg-primary);
  border: 1px solid var(--neon-muted);
  border-radius: var(--border-radius-sm, 2px);
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition-fast, 200ms);
}
.topbar-goto:focus {
  border-color: var(--neon-primary);
}
.topbar-goto.invalid {
  border-color: var(--danger);
}
.topbar-goto-btn {
  font-size: 11px;
  padding: 0 8px;
  width: auto;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.topbar-fps {
  color: #8b949e;
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.topbar-legacy-link {
  color: #8b949e;
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid var(--neon-muted);
  padding: 4px 10px;
}
.topbar-legacy-link:hover {
  color: var(--neon-primary);
  border-color: var(--neon-primary);
}

/* ── Per-tick rate spans ─────────────────────────────────────────────────── */
.topbar-rate {
  font-family: var(--font-body);
  font-size: 10px;
  margin-left: 4px;
  letter-spacing: 0.5px;
  vertical-align: middle;
}
.topbar-rate.positive {
  color: var(--success, #00ff88);
}
.topbar-rate.negative {
  color: var(--danger, #ff3344);
}
.topbar-rate.dim {
  color: #8b949e;
}

/* ── Maintenance warning tint ────────────────────────────────────────────── */
.topbar-res-warn b {
  color: var(--warning, #ffaa00);
}

/* ── Hover tooltip ───────────────────────────────────────────────────────── */
.topbar-tooltip {
  position: fixed;
  z-index: 9999;
  width: 240px;
  background: var(--bg-secondary, #0d1117);
  border: 1px solid var(--neon-muted, #004d66);
  border-radius: var(--border-radius-sm, 2px);
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--ink, #e6edf3);
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}
.topbar-tooltip .tt-header {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--neon-primary, #00d4ff);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--neon-muted, #004d66);
  padding-bottom: 6px;
}
.topbar-tooltip .tt-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.topbar-tooltip .tt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.4;
}
.topbar-tooltip .tt-secondary {
  opacity: 0.8;
  padding-left: 10px;
}
.topbar-tooltip .tt-sub {
  color: #8b949e;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 6px;
  margin-bottom: 2px;
}
.topbar-tooltip .tt-note {
  color: #8b949e;
  font-size: 11px;
  margin-top: 4px;
}
.topbar-tooltip .tt-warn {
  color: var(--warning, #ffaa00);
  font-size: 11px;
  margin-top: 6px;
}
/* Inherit rate colors inside tooltip */
.topbar-tooltip .topbar-rate.positive { color: var(--success, #00ff88); }
.topbar-tooltip .topbar-rate.negative { color: var(--danger, #ff3344); }
.topbar-tooltip .topbar-rate.dim      { color: #8b949e; }