/* ═══════════════════════════════════════════════════════════════ */
/* Rainbow Layout — App Sidebar, Main Content, Navigation        */
/* ═══════════════════════════════════════════════════════════════ */

/* Real Chat Tab Container */
.rc-container {
  display: flex;
  height: calc(100vh - 120px);
  /* Adjusted for layout */
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.rc-sidebar {
  width: 320px;
  min-width: 260px;
  border-right: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
}

/* ═══════════════════════════════════════════════════════════════ */
/* App Layout (Sidebar + Main)                                   */
/* ═══════════════════════════════════════════════════════════════ */

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: #ffffff;
  border-right: 1px solid #e5e7eb;
  z-index: 50;
  display: flex;
  flex-direction: column;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-main {
  margin-left: 260px;
  /* Width of sidebar */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #f8fafc;
  /* Neutral-50 */
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar Collapsed State */
.app-sidebar.collapsed {
  width: 72px;
}

.app-main.collapsed {
  margin-left: 72px;
}

.app-sidebar.collapsed .sidebar-header h1,
.app-sidebar.collapsed .sidebar-group-label,
.app-sidebar.collapsed .nav-label,
.app-sidebar.collapsed .sidebar-footer {
  opacity: 0;
  visibility: hidden;
  width: 0;
  height: 0;
  overflow: hidden;
  padding: 0 !important;
  margin: 0 !important;
}

.app-sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 0.75rem 0;
  gap: 0;
  border-radius: 0;
}

.app-sidebar.collapsed .sidebar-header {
  padding: 1rem 0;
  justify-content: center;
  flex-direction: column;
  height: auto;
  gap: 0.75rem;
}

.app-sidebar.collapsed .sidebar-header .flex {
  gap: 0;
}

.app-sidebar.collapsed #sidebar-toggle {
  margin: 0;
}

.app-sidebar.collapsed .nav-item svg {
  margin: 0;
  width: 24px;
  height: 24px;
}

/* Sidebar Layout */
.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  border-bottom: 1px solid #f3f4f6;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1rem 2rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 0.75rem;
  margin-top: 1.5rem;
  margin-bottom: 0.35rem;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.sidebar-group-label:first-child {
  margin-top: 0.5rem;
}

/* Navigation Items */
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #64748b;
  /* Neutral-500 */
  transition: all 0.2s ease;
  text-align: left;
  width: 100%;
  position: relative;
}

.nav-label {
  white-space: nowrap;
  transition: opacity 0.3s ease;
}

.nav-item:hover {
  background-color: #f1f5f9;
  color: #0f172a;
}

.nav-item.bg-primary-50 {
  background-color: #eff6ff !important;
  color: #0369a1 !important;
  /* Primary-700 */
}

.nav-item svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-item.bg-primary-50 svg {
  opacity: 1;
  color: #0ea5e9;
}

/* Status Badge in Sidebar */
.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid #f3f4f6;
  background: #f9fafb;
}

/* Top Bar in Main Content */
.app-topbar {
  height: 64px;
  background: white;
  border-bottom: 1px solid #e5e7eb;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 40;
}