/* ==========================================================================
   DITS Enterprise Conversational Intelligence Workspace
   Chat Stream, Message Cards, Transparency Accordion, and Composer
   ========================================================================== */

.chat-workspace {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: var(--bg-app);
}

.chat-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chat-thread-container {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* --------------------------------------------------------------------------
   Welcome Screen Hero
   -------------------------------------------------------------------------- */
.chat-welcome-card {
  width: 100%;
  max-width: 860px;
  background: linear-gradient(180deg, rgba(18, 26, 45, 0.8) 0%, rgba(13, 20, 36, 0.95) 100%);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 10px;
}

.welcome-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.welcome-crest {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1e3a8a, #3b82f6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.4);
  flex-shrink: 0;
}

.welcome-title-group h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.welcome-title-group p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.scope-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(11, 17, 30, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 11px;
}

/* Suggested Question Category Chips */
.suggested-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 4px;
}

.suggested-category-box {
  background: rgba(15, 22, 39, 0.6);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.query-chip {
  background: #131c31;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 11.5px;
  color: var(--text-secondary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.query-chip:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.35);
  color: #93c5fd;
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Message Rows & Bubbles
   -------------------------------------------------------------------------- */
.message-row {
  display: flex;
  gap: 14px;
  width: 100%;
}

.message-row.user {
  justify-content: flex-end;
}

.message-row.assistant {
  justify-content: flex-start;
}

.message-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.message-avatar.assistant {
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}

.message-avatar.user {
  background: #1e293b;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.message-content-wrapper {
  max-width: 82%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-bubble {
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
  word-break: break-word;
}

.message-row.user .message-bubble {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #ffffff;
  border-top-right-radius: 4px;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}

.message-row.assistant .message-bubble {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  border-top-left-radius: 4px;
}

/* Markdown Formatted Elements */
.message-bubble h1, .message-bubble h2, .message-bubble h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-top: 14px;
  margin-bottom: 6px;
}

.message-bubble h1:first-child, .message-bubble h2:first-child, .message-bubble h3:first-child {
  margin-top: 0;
}

.message-bubble h2 { font-size: 15px; }
.message-bubble h3 { font-size: 14px; }

.message-bubble p {
  margin-bottom: 10px;
}

.message-bubble p:last-child {
  margin-bottom: 0;
}

.message-bubble ul, .message-bubble ol {
  margin: 8px 0 12px 20px;
}

.message-bubble li {
  margin-bottom: 4px;
}

.message-bubble strong {
  color: var(--text-primary);
  font-weight: 600;
}

.message-bubble code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: #38bdf8;
}

/* Blinking Cursor for Streaming */
.streaming-cursor::after {
  content: '▋';
  color: var(--accent-cyan);
  animation: cursor-blink 0.9s infinite;
  margin-left: 2px;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* --------------------------------------------------------------------------
   Evidence Citations & Interactive Metadata
   -------------------------------------------------------------------------- */
.citations-wrapper {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.citations-title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.citations-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.citation-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-sm);
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: #93c5fd;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.citation-pill:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}

/* Transparency Accordion: "How DITS Answered" */
.transparency-accordion {
  margin-top: 12px;
  background: #0b111e;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.transparency-summary {
  padding: 8px 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.transparency-summary:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.transparency-body {
  padding: 10px 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.transparency-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-item-label {
  font-size: 9.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.meta-item-value {
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.sql-query-block {
  background: #070a12;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: #34d399;
  overflow-x: auto;
  line-height: 1.4;
}

/* Response Actions Toolbar */
.response-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding-left: 2px;
}

.toolbar-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* Follow-up Chips */
.followup-chips-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.followup-chip {
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: #111a2f;
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.followup-chip:hover {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.5);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Message Composer
   -------------------------------------------------------------------------- */
.chat-composer-container {
  padding: 14px 20px 20px;
  background-color: var(--bg-sidebar);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: center;
  flex-shrink: 0;
}

.composer-box {
  width: 100%;
  max-width: 860px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 10px 14px 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--transition-normal);
}

.composer-box:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.2);
}

.composer-textarea {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-sans);
  font-size: 13.5px;
  color: var(--text-primary);
  line-height: 1.5;
  max-height: 160px;
  min-height: 38px;
}

.composer-textarea::placeholder {
  color: var(--text-dim);
}

.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.composer-hints {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-dim);
}

.composer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.composer-send-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.composer-send-btn:hover {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  transform: scale(1.05);
}

.composer-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* --------------------------------------------------------------------------
   GitHub / Claude-style Alerts & Inline Formatting
   -------------------------------------------------------------------------- */
.alert-tip-card, .alert-note-card, .alert-warning-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin: 12px 0;
  font-size: 12px;
  line-height: 1.5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.alert-tip-card {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #a7f3d0;
}

.alert-note-card {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #bfdbfe;
}

.alert-warning-card {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fde68a;
}

.alert-icon {
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-body {
  flex: 1;
}

.code-inline {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: #38bdf8;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.citation-pill {
  cursor: pointer;
  transition: all var(--transition-fast);
}

.citation-pill:hover {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.15);
  transform: translateY(-1px);
}