/* ============================================
   Sidebar Component
   ============================================ */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}

/* Logo Area */
.sidebar-logo {
  padding: var(--space-6) var(--space-6) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-logo-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(79, 124, 255, 0.3);
}

.sidebar-logo-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo-name {
  font-size: var(--font-size-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-logo-version {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Navigation */
.sidebar-nav {
  flex: 1;
  padding: 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-section-label {
  padding: var(--space-4) var(--space-4) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

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

.sidebar-item.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 124, 255, 0.25);
}

.sidebar-item.active .sidebar-item-icon {
  color: white;
}

.sidebar-item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-item-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.8;
}

.sidebar-item-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--accent-red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  animation: pulse 2s infinite;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-4) var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-primary);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sidebar-user:hover {
  background: var(--bg-elevated);
}

.sidebar-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: white;
  flex-shrink: 0;
}

.sidebar-user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Role Switcher */
.role-switcher {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-3);
  padding: 3px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
}

.role-btn {
  flex: 1;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  color: var(--text-tertiary);
}

.role-btn.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(79, 124, 255, 0.3);
}

.role-btn:hover:not(.active) {
  color: var(--text-secondary);
  background: var(--bg-card);
}

/* Mobile sidebar */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
  opacity: 1;
}

.mobile-menu-btn {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 101;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: block;
  }

  .mobile-menu-btn {
    display: flex;
  }
}