/* Chat Interface and AI Assistant Styles */

/* ============================================
   Mode Toggle (legacy, kept for compatibility)
   ============================================ */

.mode-toggle {
  display: flex;
  background: var(--page-bg);
  border-radius: var(--radius-lg);
  padding: 4px;
  gap: 4px;
}

.mode-btn {
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
  background: transparent;
  color: var(--text-muted);
}

.mode-btn:hover {
  color: var(--text-main);
}

.mode-btn.active {
  background: var(--surface-card);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   AI Mode Layout
   ============================================ */

main.ai-mode {
  grid-template-columns: 380px 1fr 1fr;
}

main:not(.ai-mode) {
  grid-template-columns: 380px 1fr;
}

/* ============================================
   Chat Drawer (new pattern)
   ============================================ */

.chat-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  height: 100vh;
  background: var(--surface-card);
  border-left: 1px solid var(--border-subtle);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
  z-index: 50;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.chat-drawer.open {
  transform: translateX(0);
}

/* ============================================
   Chat Pane (legacy grid-based layout)
   ============================================ */

.chat-pane {
  display: flex;
  flex-direction: column;
  background: var(--surface-card);
  border-right: 1px solid var(--border-subtle);
  height: calc(100vh - 4rem);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.chat-header {
  padding: var(--sp-6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.chat-header svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.chat-header span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: var(--fw-semibold);
  color: var(--text-secondary);
}

/* ============================================
   Chat Messages
   ============================================ */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.chat-message {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  line-height: 1.6;
  animation: scaleIn 0.2s ease-out;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.chat-message.user {
  max-width: 90%;
  align-self: flex-end;
  background: var(--text-main);
  color: white;
  border-bottom-right-radius: var(--radius);
}

.chat-message.assistant {
  width: 100%;
  background: var(--page-bg);
  color: var(--text-main);
  border-bottom-left-radius: var(--radius);
}

.chat-message.assistant p {
  margin-bottom: var(--sp-3);
}

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

.chat-message.assistant ul,
.chat-message.assistant ol {
  margin: var(--sp-2) 0;
  padding-left: var(--sp-6);
}

.chat-message.assistant li {
  margin-bottom: var(--sp-1);
}

.chat-message.assistant strong {
  color: var(--text-main);
  font-weight: var(--fw-semibold);
}

.chat-message.assistant code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-family: 'DM Mono', monospace;
  font-size: 0.85em;
}

.chat-message.assistant h2,
.chat-message.assistant h3,
.chat-message.assistant h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  color: var(--text-main);
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-2);
}

.chat-message.assistant h2:first-child,
.chat-message.assistant h3:first-child,
.chat-message.assistant h4:first-child {
  margin-top: 0;
}

.chat-message.assistant h2 { font-size: 1.25rem; }
.chat-message.assistant h3 { font-size: 1.1rem; }
.chat-message.assistant h4 { font-size: 1rem; }

/* ============================================
   Markdown Tables in Chat
   ============================================ */

.chat-message.assistant .markdown-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--sp-3) 0;
  font-size: 0.85rem;
  background: var(--surface-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.chat-message.assistant .markdown-table th,
.chat-message.assistant .markdown-table td {
  padding: 0.65rem var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.chat-message.assistant .markdown-table th:last-child,
.chat-message.assistant .markdown-table td:last-child {
  border-right: none;
}

.chat-message.assistant .markdown-table th {
  background: var(--page-bg);
  font-weight: var(--fw-semibold);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

.chat-message.assistant .markdown-table tbody tr:hover {
  background: var(--page-bg);
}

.chat-message.assistant .markdown-table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================================
   Typing Indicator
   ============================================ */

.chat-typing {
  display: flex;
  gap: 4px;
  padding: var(--sp-4);
  align-self: flex-start;
}

.chat-typing span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ============================================
   Tool Indicator
   ============================================ */

.chat-tool-indicator {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--info-light);
  border: 1px solid var(--info);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  color: var(--info-dark);
  font-weight: var(--fw-semibold);
  align-self: flex-start;
}

.chat-tool-indicator svg,
.chat-tool-indicator .material-symbols-outlined {
  font-size: 14px;
  color: var(--info);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   Chat Input Area
   ============================================ */

.chat-input-area {
  padding: var(--sp-4);
  border-top: 1px solid var(--border-subtle);
  background: var(--page-bg);
}

.chat-input-wrapper {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  font-family: var(--font-display);
  font-size: var(--text-base);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  color: var(--text-main);
  resize: none;
  min-height: 44px;
  max-height: 120px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.chat-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 181, 119, 0.1);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-send-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--primary-dark);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-send-btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   Highlight Overlay
   ============================================ */

.chat-highlight-overlay {
  position: absolute;
  background: rgba(0, 181, 119, 0.08);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 40;
  transition: all var(--transition-slow);
}

/* ============================================
   Chat Suggestions
   ============================================ */

.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.chat-suggestion {
  padding: 0.625rem var(--sp-3);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--text-main);
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base);
  text-align: left;
}

.chat-suggestion:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* ============================================
   Welcome Screen
   ============================================ */

.chat-welcome {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
}

.chat-welcome h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--text-main);
  margin-bottom: var(--sp-2);
}

.chat-welcome p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
}

/* ============================================
   Scenario Tabs
   ============================================ */

.scenario-tabs {
  display: flex;
  gap: var(--sp-2);
  padding: 0 var(--sp-6);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.scenario-tab {
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: var(--fw-semibold);
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.scenario-tab:hover {
  color: var(--text-main);
}

.scenario-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.scenario-tab.is-base::after {
  content: '(Base)';
  margin-left: var(--sp-2);
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: var(--fw-regular);
}

/* ============================================
   Comparison Table
   ============================================ */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-4) 0;
  font-size: 0.85rem;
}

.comparison-table th,
.comparison-table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: var(--page-bg);
  font-weight: var(--fw-semibold);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.comparison-table tr:hover {
  background: var(--page-bg);
}

.comparison-table tr.highlight {
  background: var(--primary-light);
  font-weight: var(--fw-semibold);
}

.comparison-table tr.highlight td {
  border-color: var(--primary);
}

.comparison-table td.currency::before { content: '$'; }
.comparison-table td.percent::after { content: '%'; }
.comparison-table td.positive { color: var(--success-dark); }
.comparison-table td.negative { color: var(--danger); }

/* ============================================
   AI Results
   ============================================ */

.ai-results-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  color: var(--text-main);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border-subtle);
}

/* AI Metric Cards */
.ai-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.ai-metric-card {
  background: var(--surface-card);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-card);
}

.ai-metric-card .metric-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--sp-1);
}

.ai-metric-card .metric-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--text-main);
}

.ai-metric-card .metric-trend {
  font-size: var(--text-xs);
  margin-top: var(--sp-1);
}

.ai-metric-card .metric-trend.up { color: var(--success-dark); }
.ai-metric-card .metric-trend.down { color: var(--danger); }

.ai-metric-card.highlight {
  border-left-color: var(--primary-dark);
  background: linear-gradient(135deg, rgba(0, 181, 119, 0.08), transparent);
}

/* AI Metrics Grouped */
.ai-metrics-grouped {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--sp-3);
  padding: var(--sp-3);
  background: var(--page-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin: var(--sp-2) 0;
}

.ai-metrics-group {
  background: var(--page-bg);
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
}

.metrics-group-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: var(--fw-bold);
  margin-bottom: var(--sp-3);
  color: var(--text-secondary);
}

/* ============================================
   AI Badges
   ============================================ */

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-2xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-4);
}

.ai-badge.goal_met {
  background: var(--success-light);
  color: var(--success-dark);
  border: 1px solid var(--success);
}

.ai-badge.recommendation {
  background: var(--info-light);
  color: var(--info-dark);
  border: 1px solid var(--info);
}

.ai-badge.warning {
  background: var(--warning-light);
  color: var(--warning-dark);
  border: 1px solid var(--warning);
}

.ai-badge.info {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary);
}

.ai-badge svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   Apply to Form Button
   ============================================ */

.apply-to-form-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: var(--fw-semibold);
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

.apply-to-form-btn:hover {
  background: var(--primary-dark);
}

.apply-to-form-btn svg {
  width: 16px;
  height: 16px;
}

/* ============================================
   Chart Highlight Overlay
   ============================================ */

.chart-highlight-overlay {
  position: absolute;
  top: 0;
  bottom: 30px;
  background: rgba(0, 181, 119, 0.1);
  border-left: 2px dashed var(--primary);
  border-right: 2px dashed var(--primary);
  pointer-events: none;
}

.chart-highlight-label {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: var(--radius);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}

/* ============================================
   AI Mode Responsive
   ============================================ */

@media (max-width: 1200px) {
  main.ai-mode {
    grid-template-columns: 320px 1fr 1fr;
  }
}

@media (max-width: 1024px) {
  main.ai-mode {
    grid-template-columns: 280px 1fr;
  }

  main.ai-mode .content {
    display: none;
  }

  main.ai-mode .chat-pane {
    border-right: none;
  }

  .chat-drawer {
    width: 100%;
  }
}

@media (max-width: 768px) {
  main.ai-mode {
    grid-template-columns: 1fr;
  }

  .chat-pane {
    height: auto;
    max-height: 60vh;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .chat-drawer {
    width: 100%;
  }
}

/* AI mode hint */
.ai-mode-hint {
  display: block;
  text-align: center;
  padding: var(--sp-4);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

/* ============================================
   Math Formula Styling (MathJax)
   ============================================ */

.chat-message.assistant mjx-container[display="true"] {
  margin: var(--sp-4) 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.chat-message.assistant mjx-container[display="false"] {
  display: inline-block;
  margin: 0 0.15em;
}

.chat-message.assistant mjx-container {
  font-size: 1em;
  line-height: 1.6;
}

.chat-message.assistant p:has(mjx-container[display="true"]) {
  text-align: center;
  margin: var(--sp-6) 0;
}

.chat-message.assistant mjx-math {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  display: inline-block;
  color: var(--text-main);
}

.chat-message.assistant .MathJax_Processing {
  color: var(--text-muted);
  font-style: italic;
}

.chat-message.assistant mjx-container[display="true"] {
  background: rgba(0, 0, 0, 0.02);
  padding: var(--sp-4);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary-light);
}

/* ============================================
   Dark Mode Chat Overrides
   ============================================ */

/* Dark mode: wider gap between messages since assistant has no card boundary */
[data-theme="dark"] .chat-messages {
  gap: var(--sp-6);
}

/* Dark mode: user bubble uses dark-neutral instead of near-white --text-main */
[data-theme="dark"] .chat-message.user {
  background: #334155;
  color: #e2e8f0;
}

/* Dark mode: assistant messages as clean flowing text — no heavy card */
[data-theme="dark"] .chat-message.assistant {
  background: transparent;
  border-radius: 0;
  color: #CBD5E0;
  border-bottom-left-radius: 0;
}

[data-theme="dark"] .chat-message.assistant strong {
  color: #e2e8f0;
}

[data-theme="dark"] .chat-message.assistant h2,
[data-theme="dark"] .chat-message.assistant h3,
[data-theme="dark"] .chat-message.assistant h4 {
  color: #e2e8f0;
}

/* Code blocks need a visible background without the card */
[data-theme="dark"] .chat-message.assistant code {
  background: rgba(255, 255, 255, 0.09);
  color: #86efac;
}

[data-theme="dark"] .chat-send-btn {
  background: var(--primary);
}

[data-theme="dark"] .chat-send-btn:hover:not(:disabled) {
  background: var(--primary-dark);
}

[data-theme="dark"] .chat-input {
  background: var(--page-bg);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

[data-theme="dark"] .chat-input:focus {
  background: var(--surface-card);
  border-color: var(--primary);
}

[data-theme="dark"] .chat-input-area {
  background: var(--surface-card);
  border-top-color: var(--border-subtle);
}

[data-theme="dark"] .chat-message.assistant .markdown-table {
  background: var(--surface-card);
  border-color: var(--border-subtle);
}

[data-theme="dark"] .chat-message.assistant .markdown-table th {
  background: var(--page-bg);
  color: var(--text-main);
}

[data-theme="dark"] .chat-message.assistant .markdown-table td {
  color: var(--text-main);
  border-bottom-color: var(--border-subtle);
  border-right-color: var(--border-subtle);
}

[data-theme="dark"] .chat-message.assistant .markdown-table tbody tr:hover {
  background: var(--page-bg);
}

/* Dark mode: suggestion button hover — dark-compatible tint instead of light mint */
[data-theme="dark"] .chat-suggestion:hover {
  background: rgba(0, 181, 119, 0.15);
  border-color: rgba(0, 181, 119, 0.4);
  color: #6ee7b7;
}

/* Dark mode: header-right separator — rgba(0,0,0,…) is invisible on dark surface */
[data-theme="dark"] .ai-header-right {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* ============================================
   AI Assistant Modal (3-Pane Layout)
   ============================================ */

.ai-assistant-modal {
  padding: var(--sp-2);
}

.ai-modal-content {
  max-width: 95vw;
  width: 95vw;
  height: 92vh;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--primary);
}

.ai-modal-body {
  flex: 1;
  overflow: hidden;
  padding: 0;
}

/* 3-Pane Grid Layout */
.ai-panes-container {
  display: grid;
  grid-template-columns: 20% 40% 40%;
  height: 100%;
  gap: 0;
}

.ai-pane {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border-subtle);
}

.ai-pane:last-child {
  border-right: none;
}

/* ============================================
   AI Modal Header — split: dark left / light right
   ============================================ */

.ai-modal-header {
  display: flex;
  align-items: stretch;
  min-height: 60px;
  min-height: 60px;
  padding: 0;
  border-bottom: none; /* override base .modal-header rule in visualizations.css */
}

/* Dark left section — always dark, even in mixed mode.
   Force dark-theme sidebar token values so text/icons match. */
.ai-header-left {
  width: 20%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 0.875rem;
  background: #1A202C;
  border-right: 1px solid #2D3748;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  --sidebar-text: #9CA3AF;
  --sidebar-hover: #2D3748;
  --sidebar-border: #2D3748;
}

/* Light right section — spans remaining 80% */
.ai-header-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-5);
  gap: 4px;
  background: var(--surface-card);
  min-width: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.ai-header-icon {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.ai-header-icon img {
  width: 22px;
  height: 22px;
  display: block;
}

.ai-header-label {
  font-size: 0.8125rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--sidebar-text);
  opacity: 0.75;
  white-space: nowrap;
}

.ai-header-title {
  flex: 1;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--text-main);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  padding: 0 var(--sp-4);
  line-height: 1.35;
}

/* Close button */
.ai-modal-header .modal-close {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-base), color var(--transition-base);
}

.ai-modal-header .modal-close:hover {
  background: var(--page-bg);
  color: var(--text-main);
}

/* Responsive: match pane column changes */
@media (max-width: 1200px) {
  .ai-header-left { width: 25%; }
}

@media (max-width: 768px) {
  .ai-header-left { display: none; }
}

/* ============================================
   Left Pane: Conversation List
   ============================================ */

.ai-pane-left {
  background: #1A202C;
  border-right: 1px solid #2D3748;
  /* Force dark-theme sidebar tokens so all child text/icons match dark mode */
  --sidebar-text: #9CA3AF;
  --sidebar-hover: #2D3748;
  --sidebar-border: #2D3748;
}

/* Search bar with inline + button */
.conv-search-wrap {
  position: relative;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 0;
}

.conv-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sidebar-text);
  opacity: 0.35;
  pointer-events: none;
}

.conv-search {
  flex: 1;
  padding: 0.35rem 0.75rem 0.35rem 1.75rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 5px;
  color: var(--sidebar-text);
  font-size: 0.875rem;
  font-family: var(--font-display);
  outline: none;
  transition: background var(--transition-base), border-color var(--transition-base);
  box-sizing: border-box;
  min-width: 0;
}

.conv-search::placeholder {
  color: var(--sidebar-text);
  opacity: 0.35;
}

.conv-search:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 181, 119, 0.4);
}

.btn-new-conversation {
  height: 30px;
  padding: 0 var(--sp-3);
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  color: var(--primary);
  border: 1px solid rgba(0, 181, 119, 0.45);
  border-radius: 7px;
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--fw-normal);
  white-space: nowrap;
  transition: background var(--transition-base), color var(--transition-base);
  flex-shrink: 0;
}

.btn-new-conversation:hover {
  background: rgba(0, 181, 119, 0.12);
  border-color: rgba(0, 181, 119, 0.7);
  color: var(--primary);
}

.btn-new-conversation svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* Scrollable list */
.conversation-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.25rem 0;
}

.conversation-list::-webkit-scrollbar {
  width: 4px;
}

.conversation-list::-webkit-scrollbar-track {
  background: transparent;
}

.conversation-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.conversation-list-empty {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--sidebar-text);
  opacity: 0.4;
  font-size: var(--text-sm);
}

/* Group labels */
.conv-group-label {
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sidebar-text);
  opacity: 0.38;
  padding: 0.6rem 0.875rem 0.2rem;
  margin-top: 0.25rem;
}

.conv-group-label:first-child {
  margin-top: 0;
}

/* Conversation rows */
.conversation-item {
  position: relative;
  padding: 0.55rem 0.875rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  margin: 0;
  background: transparent;
  border-top: none;
  border-right: none;
  border-bottom: none;
}

.conversation-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-left-color: rgba(255, 255, 255, 0.12);
}

.conversation-item.active {
  background: rgba(0, 181, 119, 0.14);
  border-left-color: var(--primary);
}

.conversation-title {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  font-size: 0.875rem;
  color: var(--sidebar-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 1.5rem; /* room for delete btn */
  line-height: 1.3;
}

.conversation-item.active .conversation-title {
  color: #ffffff;
  font-weight: var(--fw-semibold);
}

.conversation-preview {
  font-size: 0.8125rem;
  color: var(--sidebar-text);
  opacity: 0.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.15rem;
  padding-right: 1.5rem;
}

.conversation-meta {
  display: flex;
  align-items: center;
  margin-top: 0.2rem;
}

.conversation-time {
  font-size: 0.75rem;
  color: var(--sidebar-text);
  opacity: 0.35;
}

.conversation-delete {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--sidebar-text);
  opacity: 0;
  cursor: pointer;
  padding: 0.2rem;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}

.conversation-item:hover .conversation-delete {
  opacity: 0.5;
}

.conversation-delete:hover {
  opacity: 1 !important;
  background: rgba(239, 68, 68, 0.2);
  color: #fc8181;
}

/* ============================================
   Middle Pane: Chat
   ============================================ */

.ai-pane-middle {
  position: relative;
  background: var(--surface-card);
}

.ai-pane-middle .chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4);
}

.ai-pane-middle .chat-input-area {
  border-top: 1px solid var(--border-subtle);
}

/* Slightly smaller text in the modal middle pane (vs standalone chat at --text-base 17px) */
.ai-pane-middle .chat-message {
  font-size: var(--text-sm);
}

.ai-pane-middle .chat-input {
  font-size: var(--text-sm);
}

.ai-pane-middle .chat-message.assistant h2 { font-size: 1.1rem; }
.ai-pane-middle .chat-message.assistant h3 { font-size: 1rem; }
.ai-pane-middle .chat-message.assistant h4 { font-size: 0.9375rem; }

/* ============================================
   Right Pane: Results
   ============================================ */

.ai-pane-right {
  overflow-y: auto;
  padding: var(--sp-4);
  background: var(--surface-card);
}

.ai-pane-right:empty::before {
  content: 'Results will appear here';
  display: block;
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* Compact the chart content that lands in the right pane —
   metric values (1.75rem default) are too large at this width */

/* 4-column single-row metrics grid */
.ai-pane-right .chart-metrics {
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
}

.ai-pane-right .metric-card {
  padding: var(--sp-2) var(--sp-1);
}

.ai-pane-right .metric-label {
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

.ai-pane-right .metric-value {
  font-size: 1.1rem;
}

/* Tighter impact card */
.ai-pane-right .irmaa-impact-card {
  padding: var(--sp-3);
  margin-top: var(--sp-3);
}

.ai-pane-right .impact-row {
  padding: 0.2rem 0;
}

.ai-pane-right .impact-label {
  font-size: var(--text-xs);
}

.ai-pane-right .impact-value {
  font-size: var(--text-xs);
}

/* Table: tighter rows and smaller text */
.ai-pane-right .irmaa-table {
  font-size: var(--text-xs);
}

.ai-pane-right .irmaa-table th,
.ai-pane-right .irmaa-table td {
  padding: var(--sp-2) var(--sp-2);
}

.ai-pane-right .irmaa-table th {
  font-size: 0.6rem;
}

.ai-pane-right .irmaa-table-caption {
  font-size: var(--text-xs);
  padding: var(--sp-2) 0 var(--sp-1);
}

/* Dark mode: override the light cream (#FEF3C7) highlight so text is readable */
[data-theme="dark"] .ai-pane-right .irmaa-table .current-bracket {
  background: rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .ai-pane-right .irmaa-table .current-bracket td {
  color: #fbbf24;
}

/* ============================================
   Responsive AI Modal
   ============================================ */

@media (max-width: 1200px) {
  .ai-panes-container {
    grid-template-columns: 25% 75%;
  }
  .ai-pane-right {
    display: none;
  }
}

@media (max-width: 768px) {
  .ai-modal-content {
    width: 98vw;
    height: 95vh;
  }

  .ai-panes-container {
    grid-template-columns: 1fr;
  }

  .ai-pane-left {
    display: none;
  }
}

/* ============================================
   Light Theme Overrides — AI Left Pane
   ============================================ */

[data-theme="light"] .btn-new-conversation {
  background: rgba(0, 181, 119, 0.06);
  border-color: rgba(0, 181, 119, 0.35);
  color: var(--primary-dark);
}

[data-theme="light"] .btn-new-conversation:hover {
  background: rgba(0, 181, 119, 0.14);
  border-color: rgba(0, 181, 119, 0.6);
  color: var(--primary-dark);
}

[data-theme="light"] .conv-search-wrap {
  border-bottom: 1px solid var(--sidebar-border);
}

[data-theme="light"] .conv-search {
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--sidebar-border);
  color: var(--sidebar-text);
}

[data-theme="light"] .conv-search:focus {
  background: rgba(0, 181, 119, 0.04);
  border-color: var(--primary);
}

[data-theme="light"] .conv-search-icon {
  color: var(--sidebar-text);
  opacity: 0.5;
}

[data-theme="light"] .conversation-item:hover {
  background: var(--sidebar-hover);
  border-left-color: rgba(0, 181, 119, 0.3);
}

[data-theme="light"] .conversation-item.active {
  background: rgba(0, 181, 119, 0.08);
  border-left-color: var(--primary);
}

[data-theme="light"] .conversation-item.active .conversation-title {
  color: var(--primary-dark);
}

[data-theme="light"] .conversation-delete {
  color: var(--sidebar-text);
}

[data-theme="light"] .conversation-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* Light theme: restore light sidebar-native colors for the left pane */
[data-theme="light"] .ai-header-left {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  border-bottom: 1px solid var(--sidebar-border);
  --sidebar-text: #4b5563;
  --sidebar-hover: rgba(0, 181, 119, 0.05);
  --sidebar-border: #e5e7eb;
}

[data-theme="light"] .ai-pane-left {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  --sidebar-text: #4b5563;
  --sidebar-hover: rgba(0, 181, 119, 0.05);
  --sidebar-border: #e5e7eb;
}