/* 
 * RMCPro v3.1 — Codename: NEO
 * Sidebar Architecture
 */

.sidebar {
  width: 260px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 50;
  margin: var(--space-4);
  height: calc(100dvh - 32px); /* 32px = 2 * 16px margin */
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.sidebar-header {
  height: 72px; /* Matches new topbar height */
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.02em;
}

.sidebar-logo span {
  color: var(--color-primary-500);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-section {
  margin-bottom: var(--space-6);
}

.nav-label {
  font-size: 0.6875rem; /* 11px */
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  padding-left: var(--space-4); /* Align with items */
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.625rem 1rem;
  border-radius: var(--radius-full); /* Pill State */
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.nav-item i {
  font-size: 1.125rem;
  width: 20px;
  text-align: center;
  transition: transform var(--transition-fast);
}

.nav-item:hover {
  background-color: var(--color-slate-50);
  color: var(--text-primary);
}

.nav-item.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 600;
}

.nav-item.active i {
  color: var(--color-primary-500);
}

/* Optional hover micro-interaction on icon */
.nav-item:hover i {
  transform: translateX(2px);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-light);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.user-profile:hover {
  background-color: var(--color-slate-50);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-900);
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid var(--border-light);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Mobile Adjustments */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    transform: translateX(-110%);
    box-shadow: var(--shadow-xl);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
}