/* === Sidebar === */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-bg-sidebar);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-base);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: var(--space-6) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-logo {
  width: 40px;
  height: auto;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 4px;
}

.sidebar-logo-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  border-radius: calc(var(--radius-lg) - 4px);
}

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

.sidebar-brand-name {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: white;
  letter-spacing: 0.05em;
}

.sidebar-brand-sub {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.nav-item:hover {
  color: white;
  background: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
  color: white;
  background: rgba(139, 92, 246, 0.15);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-primary-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-item.active svg {
  opacity: 1;
  color: var(--color-primary-400);
}

.nav-badge {
  margin-left: auto;
  background: var(--color-primary-500);
  color: white;
  font-size: 0.625rem;
  font-weight: var(--font-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

/* Sidebar Footer */
.sidebar-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-4) var(--space-5);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

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

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

.sidebar-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-logout:hover {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-overlay.visible {
    display: block;
  }
}