/**
 * Chat Styles - Gemini-Inspired Design
 * Clean, minimal, beautiful chat interface
 */

/* Chat Container */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-primary, #ffffff);
}

/* Messages Container */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 16px;
  scroll-behavior: smooth;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Full Chat Messages - align to bottom */
#fullChatMessages {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* Individual Message */
.chat-message {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 85%;
}

.chat-message-user {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-message-assistant {
  align-self: flex-start;
  align-items: flex-start;
}

/* Message Bubble */
.message-bubble {
  padding: 12px 16px;
  border-radius: 18px;
  font-size: var(--text-base, 16px);
  line-height: 1.5;
  word-wrap: break-word;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.chat-message-user .message-bubble {
  background: var(--msg-user-bg, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-message-assistant .message-bubble {
  background: var(--msg-ai-bg, #f0f2f5);
  color: var(--text-primary, #1a1a1a);
  border-bottom-left-radius: 4px;
}

/* Message Content */
.message-content {
  word-break: break-word;
  white-space: pre-wrap;
}

.message-content:empty::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 16px;
}

/* Timestamp */
.message-timestamp {
  font-size: var(--text-xs, 12px);
  color: var(--text-tertiary, #999);
  padding: 0 4px;
  opacity: 0.7;
}

/* Markdown Styling */
.md-heading {
  font-weight: 600;
  margin: 16px 0 8px 0;
  line-height: 1.3;
}

.md-h1 { font-size: var(--text-xl, 24px); }
.md-h2 { font-size: var(--text-lg, 20px); }
.md-h3 { font-size: var(--text-base, 16px); }
.md-h4 { font-size: var(--text-sm, 14px); }

.md-list {
  margin: 8px 0;
  padding-left: 24px;
}

.md-list li {
  margin: 4px 0;
}

.md-link {
  color: var(--brand-lavender, #667eea);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.2s ease;
}

.md-link:hover {
  opacity: 0.8;
}

/* Inline Code */
.inline-code {
  background: rgba(0, 0, 0, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.9em;
}

.chat-message-user .inline-code {
  background: rgba(255, 255, 255, 0.2);
}

/* Code Blocks */
.code-block-wrapper {
  margin: 12px 0;
  border-radius: 8px;
  overflow: hidden;
  background: #2d2d2d;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #1a1a1a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-language {
  font-size: var(--text-xs, 12px);
  color: #999;
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.code-copy-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #ccc;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: var(--text-xs, 12px);
  cursor: pointer;
  transition: background 0.2s ease;
  position: relative;
}

.code-copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.code-copy-btn svg {
  width: 14px;
  height: 14px;
}

.code-block {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  background: transparent;
}

.code-block code {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: var(--text-sm, 14px);
  line-height: 1.6;
  color: #f8f8f2;
}

/* Chat Input Container */
.chat-input-container {
  padding: 16px;
  border-top: 1px solid var(--border-color, #e0e0e0);
  background: var(--bg-secondary, #fafafa);
}

.chat-input-wrapper {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  max-width: 360px;
  margin: 0 auto;
  background: white;
  border-radius: 24px;
  padding: 8px 8px 8px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease;
}

.chat-input-wrapper:focus-within {
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Chat Input */
.chat-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 15px;
  line-height: 1.5;
  resize: none;
  font-family: inherit;
  color: var(--text-primary, #1a1a1a);
  padding: 8px 0;
}

.chat-input::placeholder {
  color: var(--text-tertiary, #999);
}

/* Send Button */
.chat-send-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--brand-lavender, #667eea);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.chat-send-btn:hover:not(:disabled) {
  transform: scale(1.05);
}

.chat-send-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

/* Suggestion Chips */
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.suggestion-chip {
  padding: 10px 16px;
  background: white;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 20px;
  font-size: 14px;
  color: var(--text-primary, #1a1a1a);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.suggestion-chip:hover {
  background: var(--brand-lavender, #667eea);
  color: white;
  border-color: var(--brand-lavender, #667eea);
}

/* Error Message */
.chat-error {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(245, 101, 101, 0.1);
  border: 1px solid rgba(245, 101, 101, 0.3);
  border-radius: 12px;
  color: #c53030;
  font-size: 14px;
  margin: 8px 16px;
  max-width: calc(100% - 32px);
}

.error-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.error-text {
  flex: 1;
}

/* Empty State */
.chat-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-secondary, #666);
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary, #1a1a1a);
}

.empty-state-description {
  font-size: 15px;
  max-width: 400px;
}

/* Loading State */
.chat-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 8px;
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar {
  width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .chat-messages {
    padding: 16px 12px;
  }

  .chat-message {
    max-width: 90%;
  }

  .message-bubble {
    font-size: 14px;
    padding: 10px 14px;
  }

  .chat-input-container {
    padding: 12px;
  }

  .chat-input-wrapper {
    padding: 6px 6px 6px 12px;
  }

  .chat-send-btn {
    width: 36px;
    height: 36px;
  }

  .code-block code {
    font-size: 12px;
  }

  .suggestion-chip {
    font-size: 13px;
    padding: 8px 14px;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .chat-container {
    background: #1a1a1a;
  }

  .chat-message-assistant .message-bubble {
    background: #2d2d2d;
    color: #e0e0e0;
  }

  .chat-input-wrapper {
    background: #2d2d2d;
    border: 1px solid #3a3a3a;
  }

  .chat-input {
    color: #e0e0e0;
  }

  .chat-input::placeholder {
    color: #666;
  }

  .suggestion-chip {
    background: #2d2d2d;
    border-color: #3a3a3a;
    color: #e0e0e0;
  }

  .inline-code {
    background: rgba(255, 255, 255, 0.1);
  }

  .chat-error {
    background: rgba(245, 101, 101, 0.15);
    border-color: rgba(245, 101, 101, 0.4);
    color: #ff6b6b;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .message-bubble {
    border: 2px solid currentColor;
  }

  .chat-input-wrapper {
    border: 2px solid var(--border-color, #999);
  }
}