/* Header */
.header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}
.header-logo img { width: 32px; height: 32px; border-radius: 50%; }
.header-nav { display: flex; gap: 4px; margin-left: 24px; }
.header-spacer { flex: 1; }
.header-actions { display: flex; align-items: center; gap: 8px; }

/* Navigation Tabs */
.nav-tab {
  padding: 8px 16px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-tab:hover { color: var(--text); background: var(--bg-secondary); }
.nav-tab.active {
  color: var(--accent);
  background: rgba(59,130,246,0.1);
}
.nav-tab .badge {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* Main content */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Tab content */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

/* Stats bar */
.stats-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

/* Section */
.section {
  margin-bottom: 24px;
}
.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Sub-tabs */
.sub-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

/* Autopilot bar */
.autopilot-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 99;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
}
.autopilot-bar.hidden { display: none; }

/* Responsive */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .main-content { padding: 16px; }
}