.navbar {
  background-color: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--navbar-border);
  padding: 0.75rem 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.navbar-brand .brand-text {
  font-weight: 700;
  font-size: 1.35rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.navbar .nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.navbar .nav-link:hover {
  color: var(--text-color) !important;
  background-color: rgba(99, 102, 241, 0.08);
}

.navbar .nav-link.active {
  color: var(--accent-color) !important;
  font-weight: 600;
}

/* Кнопка переключения темы */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-color);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background-color: rgba(99, 102, 241, 0.1);
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: rotate(15deg);
}

/* ===== ЖИВОЙ СТАТУС СИСТЕМЫ (SYSTEM HEALTH BADGE) ===== */
.system-status-indicator {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--card-border);
  background-color: var(--card-bg);
  border-radius: 20px;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

.system-status-indicator:hover {
  border-color: var(--accent-color);
  transform: translateY(-1px);
}

.status-ping {
  position: relative;
  display: inline-flex;
  width: 8px;
  height: 8px;
}

.status-ping-circle {
  position: relative;
  display: inline-flex;
  border-radius: 50%;
  width: 8px;
  height: 8px;
  background-color: #10b981;
}

.status-ping-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #10b981;
  opacity: 0.75;
  animation: status-ping-anim 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes status-ping-anim {
  75%, 100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

.status-ping--down .status-ping-circle,
.status-ping--down .status-ping-ring {
  background-color: #ef4444;
}

.status-ping--degraded .status-ping-circle,
.status-ping--degraded .status-ping-ring {
  background-color: #f59e0b;
}

.system-status-indicator .status-text {
  font-size: 0.75rem;
  letter-spacing: 0.2px;
}