/* ==========================================================================
   Assistant & Docs Chat Interface (Minimalist Google Workspace Style)
   ========================================================================== */
#cockpit-view-chat {
  padding: 0;
  max-width: none;
}

.chat-layout {
  display: grid;
  grid-template-columns: 240px 1fr 300px;
  gap: 0;
  height: calc(100vh - 56px);
  overflow: hidden;
  background: var(--bg-app);
}

.chat-sessions-sidebar {
  background: var(--bg-subtle);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 12px;
  overflow-y: auto;
}

.chat-main-pane {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  overflow: hidden;
}

.chat-toolbar {
  height: 52px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 840px;
  width: 100%;
  margin: 0 auto;
}

.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 88%;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  background: var(--bg-muted);
  color: var(--text-main);
}

.chat-msg.user .chat-avatar {
  background: var(--primary);
  color: var(--primary-foreground);
}

.chat-bubble {
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.55;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-main);
  white-space: pre-wrap;
}

.chat-msg.user .chat-bubble {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.chat-citations {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.citation-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}

.citation-pill:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.chat-composer {
  padding: 14px 24px 20px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
}

.chat-composer-inner {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

.chat-docs-drawer {
  background: var(--bg-subtle);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 14px;
  overflow-y: auto;
}

/* ==========================================================================
   Supply Chain Sub-Navigation & Clean Panes
   ========================================================================== */
.v1-subnav-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 24px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-surface);
  overflow-x: auto;
  flex-shrink: 0;
}

.v1-subtab-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.v1-subtab-btn:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
}

.v1-subtab-btn.active {
  background: var(--bg-muted);
  color: var(--text-main);
  font-weight: 600;
}

.v1-tab-pane {
  display: none;
}

.v1-tab-pane.active {
  display: block;
}

/* ==========================================================================
   Slide-Over Sheet Drawers (ui.shadcn.com Sheet)
   ========================================================================== */
.shadcn-sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.35);
  z-index: 200;
  display: none;
  justify-content: flex-end;
}

.shadcn-sheet-backdrop.open {
  display: flex;
}

.shadcn-sheet {
  width: 520px;
  max-width: 94vw;
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-light);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.shadcn-sheet-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.shadcn-sheet-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}

.shadcn-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 14px;
}

.shadcn-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-secondary);
}

.shadcn-badge.emerald {
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border-color: #bbf7d0;
}

.shadcn-badge.amber {
  background: var(--accent-amber-bg);
  color: var(--accent-amber);
  border-color: #fde68a;
}

.shadcn-badge.red {
  background: var(--accent-red-bg);
  color: var(--accent-red);
  border-color: #fecaca;
}