/**
 * AI Chat Assistant Styles
 * Light and Dark mode support
 */

/* ========================================
   CHAT CONTAINER
   ======================================== */

.chat-assistant-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.chat-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.chat-title svg {
  color: var(--accent-primary);
}

.chat-actions {
  display: flex;
  gap: 8px;
}

.chat-action-btn {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.chat-action-btn svg {
  width: 14px;
  height: 14px;
}

/* ========================================
   CHAT MESSAGES
   ======================================== */

.chat-messages {
  height: 500px;
  overflow-y: auto;
  padding: 20px;
  background: var(--bg-primary);
  scroll-behavior: smooth;
}

.chat-message {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  animation: slideIn 0.3s ease;
}

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

.message-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.user-message .message-avatar {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
}

.assistant-message .message-avatar {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
}

.error-message .message-avatar {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
}

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

.message-text {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  word-wrap: break-word;
}

.user-message .message-text {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.error-message .message-text {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--accent-viral);
  color: var(--accent-viral);
}

.message-text strong {
  font-weight: 700;
}

.message-text ul {
  margin: 8px 0;
  padding-left: 20px;
}

.message-text li {
  margin: 4px 0;
}

.message-time {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ========================================
   TOOLS USED BADGES
   ======================================== */

.tools-used {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.tool-badge {
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.s-dark .tool-badge {
  background: rgba(59, 130, 246, 0.15);
}

/* ========================================
   SOURCES
   ======================================== */

.message-sources {
  margin-top: 12px;
  padding: 10px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border-left: 3px solid var(--accent-primary);
}

.sources-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.source-link {
  display: block;
  padding: 6px 8px;
  margin: 4px 0;
  background: var(--bg-secondary);
  border-radius: 6px;
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-link:hover {
  background: var(--bg-hover);
  transform: translateX(4px);
}

/* ========================================
   TYPING INDICATOR
   ======================================== */

.typing-indicator .message-content {
  padding: 8px 16px;
}

.typing-dots {
  display: flex;
  gap: 4px;
  padding: 8px 0;
}

.typing-dots span {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-8px);
  }
}

/* ========================================
   CHAT INPUT
   ======================================== */

.chat-input-wrapper {
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.chat-input-container {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

#chatInput {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  resize: none;
  transition: all 0.2s ease;
}

#chatInput:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
}

#chatInput::placeholder {
  color: var(--text-tertiary);
}

#chatSendBtn {
  padding: 12px 20px;
  background: var(--accent-primary);
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

#chatSendBtn:hover:not(:disabled) {
  background: var(--accent-active);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

#chatSendBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

#chatSendBtn.loading svg {
  animation: spin 1s linear infinite;
}

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

/* ========================================
   EXAMPLE PROMPTS
   ======================================== */

.chat-examples {
  padding: 16px 20px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.examples-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
}

.chat-example-prompt {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  line-height: 1;
}

.chat-example-prompt:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */

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

.chat-messages::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .chat-messages {
    height: 400px;
  }

  .chat-header {
    padding: 16px;
  }

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

  .chat-input-container {
    flex-direction: column;
  }

  #chatSendBtn {
    width: 100%;
    justify-content: center;
  }

  .examples-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .message-text {
    font-size: 13px;
  }

  .chat-messages {
    height: 350px;
  }
}

/* ========================================
   DARK MODE SPECIFIC
   ======================================== */

.s-dark .chat-messages {
  background: #0f172a;
}

.s-dark .message-text {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.s-dark .user-message .message-text {
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}