/**
 * AI Assistant Styles
 * Clean, fast, minimalist chat interface
 */

/* ============================================
   Assistant View Layout
   ============================================ */

#assistant-view {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px); /* Account for nav */
  background: var(--bg-primary);
}

/* Mode Toggle */
.assistant-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.assistant-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.mode-toggle {
  display: flex;
  gap: var(--space-xs);
  background: var(--bg-primary);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.mode-btn {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.mode-btn.active {
  background: var(--accent);
  color: white;
}

.header-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.clear-chat-btn {
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.clear-chat-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-tertiary);
  background: var(--bg-primary);
}

/* ============================================
   Chat Container
   ============================================ */

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Conversation Mode */
.chat-container.conversation-mode {
  /* Default styles above */
}

/* Command Mode - More compact, centered */
.chat-container.command-mode {
  justify-content: center;
  align-items: center;
  padding: var(--space-xl);
}

.chat-container.command-mode .messages-list {
  max-width: 700px;
  width: 100%;
}

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

.messages-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.message {
  display: flex;
  gap: var(--space-sm);
  animation: messageSlideIn 0.2s ease;
}

@keyframes messageSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.message.user .message-avatar {
  background: var(--accent);
  color: white;
}

.message.assistant .message-avatar {
  background: var(--bg-secondary);
}

.message-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.message-bubble {
  background: var(--bg-secondary);
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  max-width: 80%;
}

.message.user .message-bubble {
  background: var(--accent);
  color: white;
  margin-left: auto;
}

.message.assistant .message-bubble {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.message-bubble p {
  margin: 0 0 var(--space-xs) 0;
}

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

.message-bubble pre {
  background: rgba(0, 0, 0, 0.05);
  padding: var(--space-sm);
  border-radius: 4px;
  overflow-x: auto;
  font-size: 13px;
}

.message-bubble ul,
.message-bubble ol {
  margin: var(--space-xs) 0;
  padding-left: var(--space-md);
}

.message-bubble li {
  margin: var(--space-xs) 0;
}

/* Markdown styling */
.message-bubble h1,
.message-bubble h2,
.message-bubble h3 {
  margin: var(--space-sm) 0 var(--space-xs) 0;
  font-weight: 600;
  line-height: 1.3;
}

.message-bubble h1 {
  font-size: 1.5em;
}

.message-bubble h2 {
  font-size: 1.3em;
}

.message-bubble h3 {
  font-size: 1.1em;
}

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

.message-bubble em {
  font-style: italic;
}

.message-bubble code {
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
}

.message-timestamp {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* System messages (approval cards, etc) */
.message.system {
  align-items: center;
}

.message.system .message-avatar {
  background: var(--warning);
  color: white;
}

/* ============================================
   Empty State
   ============================================ */

.chat-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-xxl);
  text-align: center;
  color: var(--text-secondary);
}

.chat-empty-state h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.chat-empty-state p {
  font-size: 14px;
  margin: 0;
  max-width: 400px;
}

.empty-state-icon {
  font-size: 48px;
  opacity: 0.5;
}

/* ============================================
   Quick Actions
   ============================================ */

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.quick-action-btn {
  padding: 8px 14px;
  font-size: 13px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.quick-action-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  transform: translateY(-1px);
}

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

.chat-input-container {
  padding: var(--space-lg);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-input-wrapper {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  min-height: 44px;
  max-height: 200px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  resize: none;
  overflow-y: auto;
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent);
}

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

.chat-send-btn {
  padding: 12px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

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

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

.typing-indicator {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
}

.typing-indicator .message-bubble {
  padding: 16px 20px;
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typingDot 1.4s infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingDot {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  30% {
    opacity: 1;
    transform: scale(1.2);
  }
}

/* ============================================
   Approval Cards
   ============================================ */

.approval-container {
  position: fixed;
  bottom: 100px;
  right: 24px;
  max-width: 500px;
  width: 90%;
  z-index: 1000;
  display: none;
}

.approval-card {
  background: white;
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: var(--space-lg);
  margin: var(--space-md) 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  animation: approvalSlideIn 0.3s ease;
}

@keyframes approvalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.approval-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.approval-icon {
  font-size: 24px;
}

.approval-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.approval-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.approval-field {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}

.approval-field-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.approval-field-value {
  color: var(--text-primary);
  font-weight: 600;
}

.approval-field-old {
  text-decoration: line-through;
  color: var(--error);
}

.approval-field-new {
  color: var(--success);
}

.approval-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.approval-btn {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.approval-btn-approve {
  background: var(--success);
  color: white;
}

.approval-btn-approve:hover {
  background: #059669;
  transform: translateY(-1px);
}

.approval-btn-cancel {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.approval-btn-cancel:hover {
  background: var(--error);
  color: white;
  border-color: var(--error);
}

.approval-btn-edit {
  background: var(--accent);
  color: white;
}

.approval-btn-edit:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

/* Approval details styling */
.approval-details {
  margin: var(--space-md) 0;
}

.detail-row {
  padding: var(--space-xs) 0;
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
}

.detail-row strong {
  color: var(--text-secondary);
  font-weight: 500;
  margin-right: var(--space-xs);
}

.detail-indent {
  margin-left: var(--space-lg);
  color: var(--text-secondary);
}

.approval-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: 8px;
}

.comparison-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.comparison-column > strong {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.comparison-details {
  background: white;
  padding: var(--space-md);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.priority-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

.priority-high {
  background: #FEE2E2;
  color: #991B1B;
}

.priority-medium {
  background: #FEF3C7;
  color: #92400E;
}

.priority-low {
  background: #DBEAFE;
  color: #1E40AF;
}

.priority-none {
  background: var(--bg-secondary);
  color: var(--text-tertiary);
}

/* Bulk operation approval */
.approval-list {
  max-height: 300px;
  overflow-y: auto;
  margin: var(--space-md) 0;
  padding: var(--space-sm);
  background: var(--bg-secondary);
  border-radius: 8px;
}

.approval-list-item {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-primary);
}

.approval-list-item:last-child {
  border-bottom: none;
}

/* ============================================
   Subtask Styling (Hierarchy & Indentation)
   ============================================ */

.task-item.subtask-depth-1 {
  margin-left: var(--space-xl);
  border-left: 3px solid var(--accent);
  background: var(--bg-tertiary);
}

.task-item.subtask-depth-2 {
  margin-left: calc(var(--space-xl) * 2);
  border-left: 3px solid var(--accent);
  background: var(--bg-tertiary);
}

.task-item.subtask-depth-3 {
  margin-left: calc(var(--space-xl) * 3);
  border-left: 3px solid var(--accent);
  background: var(--bg-tertiary);
}

.subtask-arrow {
  color: var(--accent);
  font-weight: bold;
  margin-right: var(--space-xs);
}

/* ============================================
   Task Grouping (By Task List)
   ============================================ */

.tasks-grouped {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.task-list-group {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: var(--space-md);
  border: 1px solid var(--border);
}

.task-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.task-list-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.task-list-count {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 4px 8px;
  border-radius: 12px;
}

.task-list-tasks {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.task-item {
  padding: var(--space-sm);
  background: var(--bg-primary);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.task-item-icon {
  color: var(--text-tertiary);
}

/* ============================================
   Warning/Error Messages
   ============================================ */

.warning-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: #FEF3C7;
  border: 1px solid #F59E0B;
  border-radius: 8px;
  color: #92400E;
  font-size: 14px;
  margin: var(--space-md) 0;
}

.error-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: #FEE2E2;
  border: 1px solid #EF4444;
  border-radius: 8px;
  color: #991B1B;
  font-size: 14px;
  margin: var(--space-md) 0;
}

.success-message {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: #D1FAE5;
  border: 1px solid #10B981;
  border-radius: 8px;
  color: #065F46;
  font-size: 14px;
  margin: var(--space-md) 0;
}

/* ============================================
   Editable Approval Fields
   ============================================ */

.editable-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.editable-details .detail-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: 0;
}

.editable-details .detail-row label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0;
}

.editable-details .detail-row .input,
.editable-details .detail-row .textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.editable-details .detail-row .input:focus,
.editable-details .detail-row .textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.editable-details .detail-row .textarea {
  resize: vertical;
  min-height: 60px;
}

/* Task list field (dropdown + new name input) */
.task-list-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.task-list-field .task-list-select {
  margin-bottom: 0;
}

.task-list-field .task-list-name-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-secondary);
}

/* Date fields side by side */
.detail-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.detail-row-group .detail-row {
  margin: 0;
}

/* Small text hints */
.editable-details small {
  display: block;
  margin-top: var(--space-xs);
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ============================================
   Mobile Responsive
   ============================================ */

@media (max-width: 768px) {
  .assistant-header {
    padding: var(--space-sm) var(--space-md);
  }

  .assistant-title {
    font-size: 16px;
  }

  .mode-toggle {
    gap: 4px;
    padding: 2px;
  }

  .mode-btn {
    padding: 4px 8px;
    font-size: 12px;
  }

  .chat-container {
    padding: var(--space-md);
  }

  .message-bubble {
    max-width: 90%;
    font-size: 13px;
  }

  .quick-actions {
    flex-direction: column;
  }

  .quick-action-btn {
    width: 100%;
  }

  .chat-input-container {
    padding: var(--space-md);
  }

  .chat-input-wrapper {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .chat-send-btn {
    width: 100%;
  }

  .approval-container {
    bottom: 80px;
    right: 12px;
    max-width: calc(100% - 24px);
  }

  .approval-card {
    padding: var(--space-md);
  }

  .approval-actions {
    flex-direction: column;
  }

  .approval-comparison {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Scrollbar Styling
   ============================================ */

.chat-container::-webkit-scrollbar,
.chat-input::-webkit-scrollbar,
.approval-list::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.chat-container::-webkit-scrollbar-track,
.chat-input::-webkit-scrollbar-track,
.approval-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.chat-container::-webkit-scrollbar-thumb,
.chat-input::-webkit-scrollbar-thumb,
.approval-list::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 4px;
}

.chat-container::-webkit-scrollbar-thumb:hover,
.chat-input::-webkit-scrollbar-thumb:hover,
.approval-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}