/* AI Chat Demo Component — HaluCatch */
/* Dark theme (default) */
.ai-chat-demo {
  --chat-bg: #0f0f1a;
  --chat-surface: #16162a;
  --chat-border: #2a2a45;
  --chat-user-bubble: #6c63ff;
  --chat-ai-bubble: #1a1a35;
  --chat-input-bg: #12121f;
  --chat-text: #e0e0f0;
  --chat-text2: #8888aa;
  --chat-accent: #6c63ff;
  --chat-green: #51cf66;
  --thinking-bg: #12121f;
  --thinking-border: #3a3a5e;
  --report-bg: #12121f;
  --thinking-active: #3a3a5e;
  --thinking-hover: #2a2a45;

  /* Layout */
  display: flex;
  gap: 0;
  border: 1px solid var(--chat-border);
  border-radius: 12px;
  overflow: hidden;
  background: color-mix(in srgb, var(--chat-bg) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  min-height: 520px;
  max-height: 640px;
  transition: height 0.3s ease;
}

.ai-chat-demo, .chat-panel, .chat-header, .chat-messages, .chat-input-area,
.chat-bubble, .chat-thinking, .report-panel, .report-content,
.chat-option-btn, .chat-model-selector, .model-dropdown-menu { transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease; }
.ai-chat-demo { transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease, height 0.3s ease; }

/* Light theme */
[data-theme="light"] .ai-chat-demo {
  --chat-bg: #f4f5f9;
  --chat-surface: #ebecf3;
  --chat-border: #d5d7e2;
  --chat-user-bubble: #5a52e0;
  --chat-ai-bubble: #ffffff;
  --chat-input-bg: #ebecf3;
  --chat-text: #1a1a2e;
  --chat-text2: #6e6e86;
  --chat-accent: #5a52e0;
  --chat-green: #3b8c4a;
  --thinking-bg: #ebecf3;
  --thinking-border: #c8cad6;
  --report-bg: #ebecf3;
  --thinking-active: #c8cad6;
  --thinking-hover: #d5d7e2;
}

/* Chat Panel */
.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: 1px solid var(--chat-border);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--chat-border);
  background: color-mix(in srgb, var(--chat-surface) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6c63ff, #00d4aa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.chat-model-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--chat-text);
}

/* Messages Area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-message {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: msgFadeIn 0.3s ease;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message.ai {
  align-self: flex-start;
  flex-direction: column;
  gap: 4px;
}

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

.chat-message-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--chat-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.chat-message-name {
  font-size: 0.75rem;
  color: var(--chat-text2);
  font-weight: 500;
}

.chat-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-message.user .chat-bubble {
  background: var(--chat-user-bubble);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-message.ai .chat-bubble {
  background: var(--chat-ai-bubble);
  color: var(--chat-text);
  border: 1px solid var(--chat-border);
  border-bottom-left-radius: 4px;
}

@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Typing Cursor (for char-by-char typing) */
.typing-cursor::after {
  content: '▍';
  animation: blink 0.8s step-end infinite;
  color: var(--chat-accent);
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Thinking Block */
.chat-thinking {
  margin: 4px 0 8px 0;
  background: var(--thinking-bg);
  border: 1px solid var(--thinking-border);
  border-radius: 8px;
  overflow: hidden;
}

.chat-thinking-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--chat-text2);
  background: var(--thinking-bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.chat-thinking.expanded .chat-thinking-header {
  border-bottom-color: var(--thinking-border);
}

.chat-thinking-icon {
  font-size: 0.7rem;
  transition: transform 0.2s;
}

.chat-thinking.expanded .chat-thinking-icon {
  transform: rotate(90deg);
}

.chat-thinking-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.chat-thinking.expanded .chat-thinking-body {
  max-height: 300px;
}

.chat-thinking-lines {
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--chat-text2);
  line-height: 1.8;
  font-family: monospace;
}

.chat-thinking-line {
  opacity: 0;
  animation: lineAppear 0.3s ease forwards;
}

@keyframes lineAppear {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Input Area — Bottom toolbar layout */
.chat-input-area {
  padding: 8px 12px 12px;
  border-top: 1px solid var(--chat-border);
  background: color-mix(in srgb, var(--chat-input-bg) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-input-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px;
  justify-content: flex-end;
}

/* Thinking Mode Button */
.chat-thinking-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--chat-text2);
  background: none;
  border: 1px solid var(--chat-border);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.chat-thinking-btn .brain-icon {
  font-size: 0.85rem;
  opacity: 0.6;
  transition: opacity 0.2s;
}

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

.chat-thinking-btn:hover .brain-icon {
  opacity: 1;
}

.chat-thinking-btn:active {
  background: var(--thinking-hover);
  transform: scale(0.97);
}

.chat-thinking-btn.active {
  background: var(--chat-accent);
  border-color: var(--chat-accent);
  color: #fff;
}

.chat-thinking-btn.active .brain-icon {
  opacity: 1;
}

/* Model Selector */
.chat-model-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--chat-text2);
  background: var(--chat-surface);
  border: 1px solid var(--chat-border);
  cursor: pointer;
  transition: all 0.2s;
  margin-left: 4px;
}

.chat-model-selector:hover {
  border-color: var(--chat-accent);
  color: var(--chat-text);
}

.chat-model-selector .model-icon {
  font-size: 0.8rem;
}

.chat-model-selector .model-name {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-model-selector .dropdown-arrow {
  font-size: 0.6rem;
  margin-left: 2px;
  opacity: 0.7;
}

/* Model Dropdown Menu */
.chat-model-dropdown-wrapper {
  position: relative;
}

.model-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  background: color-mix(in srgb, var(--chat-surface) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--chat-border);
  border-radius: 10px;
  padding: 8px 0;
  z-index: 100;
  animation: dropdownSlide 0.2s ease;
  white-space: nowrap;
}

.model-dropdown-header {
  padding: 6px 14px 8px;
  font-size: 0.7rem;
  color: var(--chat-text2);
  border-bottom: 1px solid var(--chat-border);
  margin-bottom: 4px;
}

@keyframes dropdownSlide {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.model-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--chat-text);
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
  margin: 0 6px;
}

.model-dropdown-item:hover {
  background: var(--thinking-hover);
}

.model-dropdown-item.active {
  color: var(--chat-accent);
}

.model-dropdown-icon { font-size: 0.9rem; flex-shrink: 0; }
.model-dropdown-name { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.model-dropdown-check { font-size: 0.75rem; color: var(--chat-accent); flex-shrink: 0; }
.model-dropdown-check { font-size: 0.75rem; color: var(--chat-accent); }

/* Input Row */
.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  max-height: 80px;
  opacity: 1;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease, margin 0.5s ease;
}
.chat-input-row.hidden {
  max-height: 0;
  opacity: 0;
  margin: 0;
}

.chat-input {
  flex: 1;
  background: var(--chat-surface);
  border: 1px solid var(--chat-border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--chat-text);
  font-size: 0.85rem;
  outline: none;
  resize: none;
  min-height: 40px;
  max-height: 100px;
  font-family: inherit;
  line-height: 1.5;
}

.chat-input::placeholder {
  color: var(--chat-text2);
}

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

.chat-send-btn {
  background: var(--chat-accent);
  border: none;
  border-radius: 8px;
  width: 40px;
  height: 40px;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
  flex-shrink: 0;
  padding-bottom: 2px; /* slight optical center for ↑ */
}

.chat-send-btn:hover { opacity: 0.85; }
.chat-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Options (replace input area) */
.chat-options-area {
  flex-direction: column;
  gap: 8px;
  padding: 4px 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease;
}
.chat-options-area.visible {
  max-height: 400px;
  opacity: 1;
}

.chat-options-hint {
  font-size: 0.75rem;
  color: var(--chat-text2);
  margin-right: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.chat-options-hint.visible { opacity: 1; }

.chat-options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-option-btn {
  background: color-mix(in srgb, var(--chat-surface) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--chat-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--chat-text);
  font-size: 0.85rem;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s, border-color 0.2s, opacity 0.48s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.48s cubic-bezier(0.34, 1.56, 0.64, 1);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(14px) scale(0.9);
}
.chat-option-btn.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.chat-option-btn:hover {
  border-color: var(--chat-accent);
  background: rgba(108, 99, 255, 0.08);
}

.chat-option-btn:active {
  transform: scale(0.99);
}

/* Report Panel */
.report-panel {
  width: 0;
  overflow: hidden;
  transition: width 0.5s ease;
  background: color-mix(in srgb, var(--report-bg) 75%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
}

.report-panel.visible {
  width: 55%;
  min-width: 320px;
}

.report-tabs {
  position: relative;
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--chat-border);
  background: var(--chat-surface);
  flex-shrink: 0;
  height: 47px;
}
.report-tab-indicator {
  position: absolute;
  bottom: 0;
  height: 2px;
  background: var(--chat-accent);
  transition: left 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.report-tab {
  flex: 1;
  height: 100%;
  padding: 0 8px;
  background: none;
  border: none;
  color: var(--chat-text2);
  font-size: 0.8rem;
  cursor: pointer;
  transition: color 0.3s ease;
  white-space: nowrap;
  position: relative;
  line-height: 47px;
}

.report-tab.active {
  color: var(--chat-accent);
  border-bottom-color: transparent;
}

.report-tab:hover:not(.active) {
  color: var(--chat-text);
}

.report-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 20px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--chat-text);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.55s ease, min-height 0.6s ease;
}
.report-content.slide-out-right { transform: translateX(160px); opacity: 0; }
.report-content.slide-out-left  { transform: translateX(-160px); opacity: 0; }
.report-content.slide-in-right { transform: translateX(160px); opacity: 0; }
.report-content.slide-in-left  { transform: translateX(-160px); opacity: 0; }

/* Markdown Styles in Report */
.report-content h1 { font-size: 1.1rem; margin-bottom: 12px; border-bottom: 1px solid var(--chat-border); padding-bottom: 8px; }
.report-content h2 { font-size: 0.95rem; margin: 16px 0 8px; color: var(--chat-accent); }
.report-content h3 { font-size: 0.85rem; margin: 12px 0 6px; }
.report-content p { margin-bottom: 8px; }
.report-content ul { margin: 8px 0; padding-left: 18px; }
.report-content li { margin-bottom: 4px; }
.report-content table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 0.75rem; }
.report-content th, .report-content td { border: 1px solid var(--chat-border); padding: 6px 8px; text-align: left; }
.report-content th { background: var(--chat-surface); }
.report-content code { background: var(--chat-surface); padding: 2px 6px; border-radius: 4px; font-size: 0.8em; }
.report-content pre { background: var(--chat-surface); padding: 12px; border-radius: 8px; overflow-x: auto; font-size: 0.75rem; }
.report-content blockquote { border-left: 3px solid var(--chat-accent); padding-left: 12px; margin: 8px 0; color: var(--chat-text2); }
.report-content hr { border: none; border-top: 1px solid var(--chat-border); margin: 12px 0; }

/* Typing Indicator (loading dots before char typing) */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 14px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--chat-text2);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Mobile */
@media (max-width: 768px) {
  .ai-chat-demo {
    flex-direction: column;
    max-height: none;
  }
  .chat-panel {
    border-right: none;
    border-bottom: 1px solid var(--chat-border);
    min-height: 400px;
  }
  .report-panel.visible {
    width: 100%;
    min-width: auto;
    max-height: 400px;
  }
}