/* ==============================================================================
   APP SHELL LAYOUT (Sidebar & Main Workspace)
   ============================================================================= */
#app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  min-width: 0;
}

/* Sidebar Shell */
.sidebar {
  width: max-content;
  min-width: max-content;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-matte);
  padding: 30px 16px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 10;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  padding-left: 8px;
}

.brand-icon {
  font-size: 1.4rem;
}

.brand-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-white);
}

/* Navigation Links */
.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.menu-item:hover {
  color: var(--text-primary);
  background-color: var(--accent-cyan-faint);
}

.menu-item.active {
  color: var(--accent-cyan);
  background-color: var(--accent-cyan-faint);
  font-weight: 600;
}

/* Workspace Frame */
.main-content {
  flex-grow: 1;
  min-width: 0;
  width: 100%;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow-y: auto;
  height: 100vh;
}

/* Header Area */
.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-width: 0;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-matte);
  padding: 20px 40px;
}

.content-view-container {
  width: 100%;
  min-width: 0;
  padding: 32px 40px;
  flex: 1 1 auto;
}

.header-title h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.header-title {
  min-width: 0;
}

.header-title p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Integrated Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.profile-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--card-matte);
  border: 1px solid var(--border-matte);
  padding: 8px 12px;
  border-radius: var(--radius);
}

.profile-switch label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: bold;
  white-space: nowrap;
  flex-shrink: 0;
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--card-matte);
  border: 1px solid var(--border-matte);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font-family-sans);
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.user-profile-badge:hover {
  border-color: var(--border-focus);
  background-color: var(--bg-secondary);
}

/* Profile modal */
.profile-modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 4px 0;
}

.profile-modal-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-modal-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-zinc-muted);
  letter-spacing: 0.05em;
}

.profile-modal-value {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.profile-modal-mono {
  font-family: var(--font-family-mono);
}

.profile-modal-id-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-select-dropdown {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-matte);
  padding: 4px 8px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  font-family: var(--font-family-mono);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-matte);
  padding: 6px 12px;
  border-radius: 50px;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-zinc-light);
}

.status-text {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
}