/**
 * css/views/header.css
 * --------------------
 * Top application headerbar connected to the right of the sidebar:
 * - Brand badge & Agent Vector metadata
 * - Headerbar Tab Navigation (Inspector, Metrics, Thoughts, Discord Bridge)
 * - Bot Gateway online status pill & action controls
 */

header.workspace-header {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 50;
  gap: 16px;
}

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

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
  flex-shrink: 0;
}

.brand-title-group h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  line-height: 1.2;
}

.brand-title-group h2 .pill {
  font-size: 10px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid var(--border-accent);
  padding: 1px 6px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
}

.brand-title-group p {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 1px;
}

/* Headerbar Navigation Tabs */
.headerbar-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.35);
  padding: 4px 6px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.nav-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-tab.active {
  background: rgba(16, 185, 129, 0.14);
  color: #fff;
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.15);
}

.nav-tab.active .tab-icon {
  transform: scale(1.1);
}

.tab-icon {
  font-size: 14px;
  transition: transform 0.2s;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--accent-emerald);
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.4; }
  100% { opacity: 1; }
}

@media (max-width: 1100px) {
  .headerbar-tabs .tab-label {
    display: none;
  }
  .nav-tab {
    padding: 7px 10px;
  }
}