/* =====================
   Sidebar
   ===================== */
.sidebar {
  width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo span { font-size: 18px; }

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 8px 0;
}

.nav-section-label {
  padding: 4px 16px 4px;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--accent-blue);
  border-left-color: var(--accent-blue);
}

.nav-item .icon { font-size: 16px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}