/**
 * Enhanced Chat Styles - Similar to chat.z.ai
 * Smooth animations, better input, modern design
 */

/* ============================================
   Chat Input Enhancements
   ============================================ */

.chat-input-wrapper {
  transition: all 0.3s ease;
  border: 2px solid #333;
}

.chat-input-wrapper.input-focused {
  border-color: #4a9eff;
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

#chat-input {
  transition: height 0.2s ease;
  font-size: 15px;
  line-height: 1.6;
}

#chat-input:focus {
  outline: none;
}

/* ============================================
   Chat History Sidebar
   ============================================ */

.chat-history-list {
  padding: 12px;
}

.chat-history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 8px;
  background: #252525;
  border: 1px solid transparent;
}

.chat-history-item:hover {
  background: #2a2a2a;
  border-color: #444;
  transform: translateX(2px);
}

.chat-history-item.active {
  background: #1a3a5a;
  border-color: #4a9eff;
}

.chat-history-item.historical {
  opacity: 0.8;
}

.chat-history-icon {
  font-size: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
  border-radius: 8px;
}

.chat-history-content {
  flex: 1;
  min-width: 0;
}

.chat-history-title {
  font-size: 14px;
  font-weight: 500;
  color: #e0e0e0;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-history-meta {
  display: flex;
  gap: 8px;
  font-size: 12px;
  color: #888;
}

.chat-history-status {
  padding: 2px 6px;
  border-radius: 4px;
  background: #1a1a1a;
}

.chat-history-status.active {
  color: #51cf66;
  background: rgba(81, 207, 102, 0.1);
}

.chat-history-status.historical {
  color: #ffa94d;
  background: rgba(255, 169, 77, 0.1);
}

.resume-badge {
  font-size: 11px;
  padding: 4px 8px;
  background: #4a9eff;
  color: white;
  border-radius: 4px;
  font-weight: 500;
}

.chat-history-empty {
  text-align: center;
  padding: 40px 20px;
  color: #888;
  font-size: 14px;
}

/* ============================================
   Enhanced Message Animations
   ============================================ */

.chat-message {
  animation: messageSlideIn 0.3s ease;
}

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

.message-appear {
  animation: messageAppear 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes messageAppear {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.message-avatar {
  animation: avatarPop 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes avatarPop {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

/* ============================================
   Code Operation Styling
   ============================================ */

.code-operation {
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 8px;
  margin: 12px 0;
  overflow: hidden;
}

.operation-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #252525;
  border-bottom: 1px solid #333;
}

.operation-icon {
  font-size: 16px;
}

.operation-label {
  font-size: 13px;
  font-weight: 500;
  color: #e0e0e0;
}

.operation-code {
  margin: 0;
  padding: 14px;
  background: #0d0d0d;
  overflow-x: auto;
}

.operation-code code {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #e0e0e0;
}

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

.quick-actions {
  padding: 20px;
  background: #1a1a1a;
  border-radius: 12px;
  margin: 20px 0;
  animation: quickActionsSlide 0.4s ease;
}

@keyframes quickActionsSlide {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.quick-actions-title {
  font-size: 14px;
  font-weight: 600;
  color: #888;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #252525;
  border: 1px solid #333;
  border-radius: 8px;
  color: #e0e0e0;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.quick-action-btn:hover {
  background: #2a2a2a;
  border-color: #4a9eff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.2);
}

.quick-action-btn:active {
  transform: translateY(0);
}

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

.action-label {
  flex: 1;
  text-align: left;
  font-weight: 500;
}

/* ============================================
   Tag Placeholders
   ============================================ */

.tag-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: #1a3a5a;
  border: 1px solid #4a9eff;
  border-radius: 4px;
  font-size: 12px;
  color: #4a9eff;
  margin: 4px;
}

/* ============================================
   Enhanced Chat Layout
   ============================================ */

.chat-layout {
  height: calc(100vh - 60px);
  overflow: hidden;
}

.chat-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: #444;
}

.chat-input-container {
  border-top: 1px solid #333;
  background: #1a1a1a;
  padding: 16px 20px;
}

/* ============================================
   Message Header Styling
   ============================================ */

.message-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.message-label {
  font-size: 13px;
  font-weight: 600;
  color: #e0e0e0;
}

.message-time {
  font-size: 11px;
  color: #888;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  .quick-actions-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
  }

  .chat-history-item {
    padding: 10px;
  }

  .quick-action-btn {
    padding: 12px;
  }

  .action-icon {
    font-size: 20px;
  }

  .action-label {
    font-size: 13px;
  }
}

/* ============================================
   Loading States
   ============================================ */

.chat-history-loading {
  display: flex;
  justify-content: center;
  padding: 20px;
}

.chat-history-loading .spinner {
  width: 30px;
  height: 30px;
  border: 3px solid #333;
  border-top-color: #4a9eff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

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

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: #1a1a1a;
  border-radius: 12px;
  width: fit-content;
  margin: 8px 0;
}

.typing-indicator .dot {
  width: 8px;
  height: 8px;
  background: #888;
  border-radius: 50%;
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator .dot:nth-child(1) {
  animation-delay: 0s;
}

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

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

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-8px);
  }
}

/* ============================================
   Chat Mode Buttons (Chat/Terminal)
   ============================================ */

.chat-modes-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: #0d0d0d;
  border-bottom: 1px solid #333;
  align-items: center;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #1a1a1a;
  border: 2px solid #333;
  border-radius: 8px;
  color: #888;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.mode-btn:hover {
  background: #252525;
  border-color: #444;
  color: #e0e0e0;
}

.mode-btn.active {
  background: rgba(74, 158, 255, 0.15);
  border-color: #4a9eff;
  color: #4a9eff;
}

.mode-icon {
  font-size: 18px;
  line-height: 1;
}

.mode-label {
  font-size: 14px;
}

/* Mobile Responsiveness for Mode Buttons */
@media (max-width: 768px) {
  .chat-modes-bar {
    padding: 10px 12px;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .mode-btn {
    flex: 1;
    min-width: 0;
    padding: 8px 12px;
    font-size: 13px;
    justify-content: center;
  }

  .mode-icon {
    font-size: 16px;
  }

  .mode-label {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .chat-modes-bar {
    padding: 8px;
    gap: 4px;
  }

  .mode-btn {
    padding: 8px 10px;
    font-size: 12px;
  }

  .mode-btn .mode-label {
    display: none;
  }

  .mode-btn .mode-icon {
    font-size: 18px;
  }
}