@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600&family=Noto+Serif+SC:wght@400;600&display=swap");
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  font-family: "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(165deg, #1a1614 0%, #2d2220 40%, #1f1a18 100%);
  color: #e8ddd4;
}

/* ========== 新布局：侧边栏 + 主区域 ========== */
body.app-layout {
  display: flex;
  overflow: hidden;
}

/* 侧边栏 */
.sidebar {
  width: 280px;
  min-width: 280px;
  height: 100vh;
  background: #141010;
  border-right: 1px solid rgba(180,140,100,0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.sidebar.collapsed {
  transform: translateX(-100%);
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sidebar-header {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(180,140,100,0.08);
  background: rgba(12,9,7,0.5);
}

.app-logo {
  font-family: "Noto Serif SC", Georgia, serif;
  letter-spacing: 3px;
  font-size: 18px;
  font-weight: 600;
  color: #f0e6da;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: #a89888;
  font-size: 16px;
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.icon-btn:hover {
  background: rgba(180,140,100,0.1);
  color: #f0e6da;
}

.new-chat-btn {
  margin: 12px 16px;
  padding: 10px 16px;
  background: rgba(212, 165, 116, 0.15);
  border: 1px solid rgba(212, 165, 116, 0.25);
  color: #d4a574;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.new-chat-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212, 165, 116, 0.4);
}

.sidebar-search {
  padding: 0 12px 12px;
}

.sidebar-search input {
  width: 100%;
  padding: 8px 12px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.1);
  border-radius: 6px;
  color: #e8ddd4;
  font-size: 13px;
}

.sidebar-search input::placeholder {
  color: #8a7968;
}

.sidebar-search input:focus {
  outline: none;
  border-color: #d4a574;
}

/* 聊天列表 */
.chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px;
}

.chat-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 2px;
  position: relative;
}

.chat-item:hover {
  background: rgba(180,140,100,0.08);
}

.chat-item.active {
  background: rgba(212, 165, 116, 0.15);
}

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

.chat-item-title {
  font-size: 14px;
  color: #e8ddd4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-meta {
  font-size: 11px;
  color: #8a7968;
  margin-top: 2px;
}

.chat-item-actions {
  display: none;
  gap: 4px;
}

.chat-item:hover .chat-item-actions {
  display: flex;
}

.chat-item-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: #a89888;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-item-btn:hover {
  background: rgba(180,140,100,0.12);
  color: #f0e6da;
}

.chat-item-btn.delete:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* 侧边栏底部导航 */
.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(180,140,100,0.08);
  background: rgba(12,9,7,0.3);
  display: flex;
  justify-content: space-around;
}

.sidebar-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: #a89888;
  font-size: 12px;
  transition: all 0.15s;
}

.sidebar-nav-item:hover {
  background: rgba(180,140,100,0.08);
  color: #f0e6da;
}

.sidebar-nav-item .nav-icon {
  color: #d4a574;
  font-size: 18px;
}

/* 主区域 */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-width: 0;
  background: linear-gradient(165deg, #1a1614 0%, #2d2220 40%, #1f1a18 100%);
}

/* 聊天头部 */
.chat-header {
  height: 56px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(180,140,100,0.08);
  background: rgba(20, 16, 13, 0.85);
  backdrop-filter: blur(8px);
}

.hamburger {
  display: none;
}

.chat-header-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-title {
  font-size: 15px;
  font-weight: 500;
  color: #f0e6da;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.connection-badge {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(212, 165, 116, 0.15);
  color: #e8c9a0;
  border-radius: 4px;
  white-space: nowrap;
}

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

/* 模型切换面板 */
.model-switch-panel {
  position: absolute;
  top: 56px;
  right: 16px;
  width: 280px;
  background: #2a2018;
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(10,8,5,0.5);
  z-index: 100;
  padding: 16px;
}

.model-switch-panel.hidden {
  display: none;
}

.model-switch-content label {
  display: block;
  font-size: 12px;
  color: #a89888;
  margin-bottom: 6px;
  margin-top: 12px;
}

.model-switch-content label:first-child {
  margin-top: 0;
}

.model-switch-content select,
.model-switch-content input {
  width: 100%;
  padding: 8px 10px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 6px;
  color: #e8ddd4;
  font-size: 13px;
}

.model-switch-content select:focus,
.model-switch-content input:focus {
  outline: none;
  border-color: #d4a574;
}

.model-switch-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

/* 消息区域 */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #8a7968;
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state h2 {
  font-size: 20px;
  font-weight: 500;
  color: #e8ddd4;
  margin: 0 0 8px;
}

.empty-state p {
  margin: 0;
  font-size: 14px;
}

/* 消息气泡 */
.message {
  max-width: 720px;
  margin: 0 auto 16px;
  width: 100%;
}

.message-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
}

.message.user .message-bubble {
  background: rgba(212, 165, 116, 0.15);
  color: #e8ddd4;
  border: 1px solid rgba(212, 165, 116, 0.2);
  margin-left: auto;
  max-width: 80%;
  border-bottom-right-radius: 4px;
}

.message.assistant .message-bubble {
  background: rgba(180,140,100,0.06);
  color: #e8ddd4;
  border: 1px solid rgba(180,140,100,0.1);
  border-bottom-left-radius: 4px;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 11px;
  color: #8a7968;
}

.message.user .message-meta {
  justify-content: flex-end;
}

.message-actions {
  display: none;
  gap: 4px;
}

.message:hover .message-actions {
  display: flex;
}

.message-action-btn {
  padding: 2px 6px;
  background: rgba(180,140,100,0.06);
  border: none;
  border-radius: 4px;
  color: #a89888;
  font-size: 11px;
  cursor: pointer;
}

.message-action-btn:hover {
  background: rgba(180,140,100,0.12);
  color: #f0e6da;
}

/* 消息内容格式化 */
.message-bubble p {
  margin: 0 0 12px;
}

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

.message-bubble pre {
  background: rgba(10,8,5,0.4);
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0;
}

.message-bubble code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 13px;
}

.message-bubble ul, .message-bubble ol {
  margin: 8px 0;
  padding-left: 20px;
}

/* 编辑模式 */
.edit-textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px;
  background: rgba(0,0,0,0.2);
  border: 1px solid #d4a574;
  border-radius: 8px;
  color: #e8ddd4;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

.edit-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  justify-content: flex-end;
}

/* 输入区域 */
.input-area {
  padding: 16px 20px 20px;
  background: linear-gradient(to top, #1a1614 0%, transparent 100%);
}

.input-wrapper {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 16px;
  padding: 8px 12px;
  transition: border-color 0.2s;
}

.input-wrapper:focus-within {
  border-color: #d4a574;
}

.input-wrapper textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: #e8ddd4;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  max-height: 150px;
  line-height: 1.5;
}

.input-wrapper textarea::placeholder {
  color: #8a7968;
}

.input-wrapper textarea:focus {
  outline: none;
}

.send-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(212, 165, 116, 0.2); border: 1px solid rgba(212, 165, 116, 0.3);
  color: #d4a574;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.send-btn:hover {
  transform: scale(1.05);
}

.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.status-bar {
  max-width: 720px;
  margin: 8px auto 0;
  font-size: 12px;
  color: #8a7968;
  text-align: center;
  min-height: 18px;
}

/* ========== 弹窗通用 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,8,5,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-panel {
  background: #2a2018;
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 16px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-panel.small {
  max-width: 360px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(180,140,100,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-body input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 8px;
  color: #e8ddd4;
  font-size: 14px;
}

.modal-body input:focus {
  outline: none;
  border-color: #d4a574;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(180,140,100,0.08);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ========== 按钮 ========== */
.primary-button {
  padding: 8px 16px;
  background: rgba(212, 165, 116, 0.2); border: 1px solid rgba(212, 165, 116, 0.3);
  color: #f0e6da;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212, 165, 116, 0.2);
}

.primary-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.secondary-button {
  padding: 8px 16px;
  background: rgba(180,140,100,0.1);
  color: #e8ddd4;
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.secondary-button:hover {
  background: rgba(180,140,100,0.15);
}

.ghost-button {
  padding: 8px 16px;
  background: transparent;
  color: #a89888;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}

.ghost-button:hover {
  background: rgba(180,140,100,0.08);
  color: #e8ddd4;
}

.danger-button {
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.danger-button:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* ========== 设置页面通用 ========== */
.top-nav {
  height: 56px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(180,140,100,0.08);
  background: #141010;
}

.top-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-nav-page {
  font-size: 14px;
  color: #a89888;
}

.top-nav-links {
  display: flex;
  gap: 8px;
}

.top-nav-links a {
  padding: 6px 12px;
  color: #a89888;
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  transition: all 0.15s;
}

.top-nav-links a:hover {
  background: rgba(180,140,100,0.08);
  color: #f0e6da;
}

.top-nav-links a.active {
  background: rgba(212, 165, 116, 0.15);
  color: #e8c9a0;
}

.settings-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px;
}

.settings-header {
  margin-bottom: 32px;
}

.settings-header h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 8px;
}

.settings-header p {
  color: #a89888;
  margin: 0;
  font-size: 14px;
}

.settings-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.settings-body.narrow {
  max-width: 480px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field > span {
  font-size: 14px;
  font-weight: 500;
}

.field-hint {
  font-size: 12px;
  color: #8a7968;
  margin: 0;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field textarea,
.field select {
  padding: 10px 12px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 8px;
  color: #e8ddd4;
  font-size: 14px;
  font-family: inherit;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: #d4a574;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #8a7968;
}

.settings-separator {
  border: none;
  border-top: 1px solid rgba(180,140,100,0.08);
  margin: 8px 0;
}

/* ========== 连接页面 ========== */
.connection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.connection-card {
  background: rgba(180,140,100,0.04);
  border: 1px solid rgba(180,140,100,0.1);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.connection-card:hover {
  background: rgba(180,140,100,0.06);
  border-color: rgba(180,140,100,0.15);
}

.connection-card.active {
  border-color: #d4a574;
  background: rgba(212, 165, 116, 0.08);
}

.connection-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.connection-card-name {
  font-weight: 500;
  font-size: 15px;
}

.connection-card-badge {
  font-size: 11px;
  padding: 2px 6px;
  background: rgba(212, 165, 116, 0.15);
  color: #e8c9a0;
  border-radius: 4px;
}

.connection-card-model {
  font-size: 13px;
  color: #a89888;
  margin-bottom: 12px;
}

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

/* ========== 记忆页面 ========== */
.memory-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.memory-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: rgba(180,140,100,0.04);
  border: 1px solid rgba(180,140,100,0.1);
  border-radius: 8px;
}

.memory-item-toggle {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: #c8964a;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.memory-item-toggle.disabled {
  color: #8a7968;
}

.memory-item-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: #e8ddd4;
  min-width: 0;
  word-break: break-word;
}

.memory-item-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* ========== 数据页面云同步 ========== */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(55, 65, 81, 0.6);
}

.auth-tab {
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: #a89888;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.auth-tab.active {
  color: #e8ddd4;
  border-bottom-color: #d4a574;
}

.auth-tab:hover {
  color: #e8ddd4;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-message {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 8px;
  display: none;
}

.auth-message.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.auth-message.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #e8c9a0;
}

.sync-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.sync-user {
  font-size: 14px;
  color: #e8ddd4;
}

.sync-indicator {
  font-size: 12px;
  color: #8a7968;
}

.sync-indicator.syncing {
  color: #fbbf24;
  animation: pulse 1s infinite;
}

.sync-indicator.success {
  color: #c8964a;
}

.sync-indicator.error {
  color: #ef4444;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========== 上下文限制 ========== */
.context-limit-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.context-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.context-slider-row input[type="range"] {
  flex: 1;
}

.context-slider-value {
  min-width: 60px;
  text-align: right;
  font-size: 14px;
  color: #e8c9a0;
}

/* ========== 模型选择器 ========== */
.model-picker-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.model-chip {
  padding: 6px 12px;
  background: rgba(180,140,100,0.06);
  border: 1px solid rgba(180,140,100,0.12);
  border-radius: 6px;
  color: #e8ddd4;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.model-chip:hover {
  background: rgba(212, 165, 116, 0.15);
  border-color: #d4a574;
}

.model-chip.selected {
  background: rgba(212, 165, 116, 0.2);
  border-color: #d4a574;
  color: #e8c9a0;
}

.empty-text {
  color: #8a7968;
  font-size: 14px;
}

.empty-text.small {
  font-size: 12px;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 200;
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .hamburger {
    display: flex;
  }
  
  .main-area {
    width: 100%;
  }
  
  .model-switch-panel {
    right: 8px;
    left: 8px;
    width: auto;
  }
  
  .message.user .message-bubble {
    max-width: 90%;
  }
  
  .top-nav {
    padding: 0 12px;
  }
  
  .top-nav-links {
    gap: 4px;
  }
  
  .top-nav-links a {
    padding: 6px 8px;
    font-size: 13px;
  }
  
  .settings-page {
    padding: 20px 16px;
  }
}

/* 侧边栏遮罩 */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10,8,5,0.5);
  z-index: 199;
  display: none;
}

.sidebar-backdrop.show {
  display: block;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(180,140,100,0.18);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(180,140,100,0.25);
}

/* ========== 开关行样式 ========== */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
}

.toggle-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #d4a574;
  cursor: pointer;
}

/* 自动提取的记忆标记 */
.memory-item.auto-extracted {
  border-left: 3px solid #d4a574;
}

.memory-auto-badge {
  font-size: 10px;
  padding: 1px 5px;
  background: rgba(212, 165, 116, 0.2);
  color: #e8c9a0;
  border-radius: 3px;
  margin-left: 6px;
}

/* ========== RAG 自然记忆样式 ========== */
.rag-memory {
  border-left: 3px solid #c8964a;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px;
  align-items: center;
}

.memory-strength {
  font-size: 10px;
  color: #c8964a;
  letter-spacing: -1px;
  cursor: help;
}

.memory-time {
  font-size: 11px;
  color: #7a6a58;
  white-space: nowrap;
}

/* ========== 记忆筛选栏 ========== */
.memory-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.filter-chip {
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ========== 记忆类型标签 ========== */
.memory-type-tag {
  font-size: 11px;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background: rgba(200,150,74,0.15);
  color: #c8964a;
  white-space: nowrap;
  align-self: flex-start;
}
.memory-type-tag.feel {
  background: rgba(147,130,200,0.15);
  color: #9382c8;
}

/* ========== 钉选记忆 ========== */
.memory-item.server-memory.pinned {
  border-left: 2px solid #c8964a;
  background: rgba(200,150,74,0.04);
}

/* ========== 感受类型记忆 ========== */
.memory-item.server-memory.feel-type {
  border-left: 2px solid #9382c8;
  background: rgba(147,130,200,0.04);
}
.memory-item.server-memory.feel-type .memory-content {
  font-style: italic;
  color: var(--text-secondary);
}

/* 钉选按钮激活状态 */
.small-button.pinned {
  color: #c8964a;
}

/* ========== 图片上传区域 ========== */
.input-action-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 6px 10px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.input-action-btn:hover {
  opacity: 1;
}

/* 更多选项容器 */
.input-more-container {
  position: relative;
}

/* 更多选项菜单 */
.more-options-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: 8px;
  background: #2a2218;
  border: 1px solid #4a3e32;
  border-radius: 12px;
  padding: 8px 0;
  min-width: 160px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 100;
}

.more-options-menu.hidden {
  display: none;
}

.menu-option-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: #e8d5c4;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s;
}

.menu-option-item:hover {
  background: #3a2e22;
}

.menu-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.menu-status-text {
  margin-left: auto;
  font-size: 12px;
  color: #8a7a6a;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-left: auto;
}

.status-dot.active {
  background: #c9a86c;
}

.menu-divider {
  height: 1px;
  background: #3a2e22;
  margin: 6px 0;
}

/* 思考面板 */
.thinking-panel {
  padding: 12px 16px;
  border-top: 1px solid #3a2e22;
}

.thinking-panel.hidden {
  display: none;
}

.thinking-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #c9a86c;
}

.thinking-slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 12px;
  color: #8a7a6a;
}

.thinking-slider-row.hidden {
  display: none;
}

.thinking-slider-row input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: #3a2e22;
  border-radius: 2px;
  outline: none;
}

.thinking-slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: #c9a86c;
  border-radius: 50%;
  cursor: pointer;
}

/* 开关样式 */
.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #3a2e22;
  border-radius: 22px;
  transition: 0.3s;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background: #8a7a6a;
  border-radius: 50%;
  transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
  background: #c9a86c;
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(18px);
  background: #1a1410;
}

.image-preview-area {
  padding: 8px 12px;
  border-bottom: 1px solid #3a2e22;
}

.image-preview-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.image-preview-item {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #4a3e32;
}

.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-preview-remove {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: #ef4444;
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ========== Markdown 渲染样式 ========== */
.message-content {
  line-height: 1.6;
}

.message-content p {
  margin: 0 0 0.8em 0;
}

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

.message-content pre {
  background: #2a2018;
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  margin: 0.8em 0;
}

.message-content code {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
}

.message-content :not(pre) > code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.message-content ul, .message-content ol {
  margin: 0.5em 0;
  padding-left: 1.5em;
}

.message-content li {
  margin: 0.3em 0;
}

.message-content blockquote {
  border-left: 3px solid #d4a574;
  margin: 0.8em 0;
  padding-left: 12px;
  color: #baa898;
}

.message-content table {
  border-collapse: collapse;
  margin: 0.8em 0;
  width: 100%;
}

.message-content th, .message-content td {
  border: 1px solid #4a3e32;
  padding: 8px 12px;
  text-align: left;
}

.message-content th {
  background: rgba(255, 255, 255, 0.05);
}

.message-content h1, .message-content h2, .message-content h3 {
  margin: 1em 0 0.5em 0;
}

.message-content h1 { font-size: 1.4em; }
.message-content h2 { font-size: 1.2em; }
.message-content h3 { font-size: 1.1em; }

.message-content a {
  color: #d4a574;
}

.message-content hr {
  border: none;
  border-top: 1px solid #4a3e32;
  margin: 1em 0;
}

/* 消息中的图片 */
.message-images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.message-image {
  max-width: 200px;
  max-height: 150px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s;
}

.message-image:hover {
  transform: scale(1.05);
}

/* 流式输出光标 */
.streaming-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: #d4a574;
  margin-left: 2px;
  animation: blink 0.8s infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* 消息操作按钮 */
.message-actions {
  display: none;
  gap: 6px;
  margin-top: 8px;
}

.message-bubble:hover .message-actions {
  display: flex;
}

.msg-action-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #9a8a78;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.msg-action-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #f0e6da;
}

/* ========== 模型切换面板优化 ========== */
.model-switch-panel {
  position: absolute;
  top: 50px;
  right: 10px;
  width: 320px;
  max-height: 70vh;
  background: #2a2018;
  border: 1px solid #3a2e22;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 100;
  overflow: hidden;
}

.model-switch-content {
  display: flex;
  flex-direction: column;
  max-height: 70vh;
}

.model-switch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #3a2e22;
  font-weight: 500;
}

.model-switch-section {
  padding: 12px 16px;
  border-bottom: 1px solid #302418;
}

.model-switch-section:last-child {
  border-bottom: none;
}

.model-switch-section label {
  display: block;
  font-size: 12px;
  color: #9a8a78;
  margin-bottom: 8px;
}

.model-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}

.model-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #302418;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.model-item:hover {
  background: #3a2e22;
  border-color: #4a3e32;
}

.model-item.active {
  background: rgba(212, 165, 116, 0.2);
  border-color: #d4a574;
}

.model-item-name {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-item-provider {
  font-size: 11px;
  color: #7a6a58;
  padding: 2px 6px;
  background: #3a2e22;
  border-radius: 4px;
}

.custom-model-row {
  display: flex;
  gap: 8px;
}

.custom-model-row input {
  flex: 1;
}

.custom-model-row button {
  flex-shrink: 0;
}

/* 顶部连接标识改进 */
.connection-badge {
  font-size: 12px;
  padding: 2px 8px;
  background: rgba(212, 165, 116, 0.2);
  color: #e8c9a0;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.connection-badge:hover {
  background: rgba(212, 165, 116, 0.3);
}

/* ========== 搜索预览区域 ========== */
.search-preview-area {
  padding: 8px 12px;
  border-bottom: 1px solid #3a2e22;
  background: #2a2018;
}

.search-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
  color: #9a8a78;
}

.icon-btn-small {
  background: transparent;
  border: none;
  color: #7a6a58;
  cursor: pointer;
  padding: 2px 6px;
  font-size: 12px;
}

.icon-btn-small:hover {
  color: #f0e6da;
}

.search-preview-content {
  font-size: 13px;
  color: #d8ccc0;
  max-height: 150px;
  overflow-y: auto;
  line-height: 1.5;
}

.search-result-item {
  padding: 6px 0;
  border-bottom: 1px solid #302418;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-title {
  color: #d4a574;
  font-weight: 500;
}

.search-result-snippet {
  color: #9a8a78;
  font-size: 12px;
  margin-top: 2px;
}

/* 位置信息标签 */
.location-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(34, 197, 94, 0.2);
  color: #d4a574;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin-right: 8px;
}

.search-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(212, 165, 116, 0.2);
  color: #e8c9a0;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

/* 输入按钮激活状态 */
.input-action-btn.active {
  color: #d4a574;
  opacity: 1;
}

/* 全局覆盖浏览器默认蓝色焦点框 */
*:focus {
  outline: none;
}
*:focus-visible {
  outline: 2px solid rgba(212, 165, 116, 0.5);
  outline-offset: 2px;
}
button:focus-visible, 
a:focus-visible {
  outline: 2px solid rgba(212, 165, 116, 0.4);
  outline-offset: 2px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #d4a574 !important;
}

/* 底部导航图标统一样式 */
.sidebar-nav-item {
  color: #8a7968;
}
.sidebar-nav-item:hover {
  color: #d4a574;
  background: rgba(212, 165, 116, 0.08);
}
.sidebar-nav-item .nav-icon {
  color: inherit;
  font-size: 16px;
  font-style: normal;
}

/* 修复按钮残留蓝色 */
.new-chat-btn:focus,
.new-chat-btn:active {
  outline: none;
  border-color: rgba(212, 165, 116, 0.4);
  box-shadow: 0 0 0 2px rgba(212, 165, 116, 0.15);
}
button, a {
  -webkit-tap-highlight-color: transparent;
}
.primary-button:focus,
.secondary-button:focus,
.ghost-button:focus,
.send-btn:focus,
.icon-btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(212, 165, 116, 0.2);
}

/* ========== MCP 服务器列表 ========== */
.mcp-server-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mcp-server-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
}

.mcp-server-info {
  flex: 1;
  min-width: 0;
}

.mcp-server-name {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.mcp-server-url {
  font-size: 0.8rem;
  color: var(--text-muted);
  word-break: break-all;
  margin-bottom: 0.5rem;
}

.mcp-server-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.mcp-tool-chip {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: rgba(212, 165, 116, 0.15);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.75rem;
}

.mcp-server-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.mcp-disabled {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.mcp-error {
  color: #e57373;
  font-size: 0.8rem;
}

.mcp-no-tools {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.loading-tools {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

/* 小型开关 */
.toggle-switch.small {
  width: 36px;
  height: 20px;
}

.toggle-switch.small .toggle-slider:before {
  width: 14px;
  height: 14px;
  left: 3px;
  bottom: 3px;
}

.toggle-switch.small input:checked + .toggle-slider:before {
  transform: translateX(16px);
}

/* ========== TTS 语音配置样式 ========== */
.tts-config-panel {
  background: var(--card-bg, #1a1816);
  border: 1px solid var(--border, #3d3630);
  border-radius: 8px;
  padding: 1.5rem;
}

.test-result {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  display: none;
}

.test-result.success {
  display: block;
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.test-result.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.tts-btn {
  font-size: 1rem !important;
  padding: 2px 6px !important;
  min-width: auto !important;
}

.tts-btn:hover {
  background: rgba(212, 165, 116, 0.2);
}

/* ========== 连接页Tabs ========== */
.conn-tabs {
  display: flex;
  gap: 0;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(55, 65, 81, 0.6);
  background: rgba(0, 0, 0, 0.2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.conn-tab {
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: #a89888;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: all 0.2s;
}

.conn-tab.active {
  color: #e8ddd4;
  border-bottom-color: #d4a574;
}

.conn-tab:hover {
  color: #e8ddd4;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.test-result.testing {
  display: block;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* 生成图片卡片 */
.generated-image-card {
  background: var(--bg-secondary, #1a1a2e);
  border: 1px solid var(--border-color, #333);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
  max-width: 400px;
}

.gen-image-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary, #aaa);
  font-size: 0.85rem;
}

.gen-image-icon {
  font-size: 1.2rem;
}

.gen-image {
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s;
}

.gen-image:hover {
  transform: scale(1.02);
}

.gen-image-prompt {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted, #888);
  font-style: italic;
  line-height: 1.4;
}

.gen-image-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

.gen-image-download {
  padding: 0.5rem 1rem;
  background: var(--primary-color, #5c4fff);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.gen-image-download:hover {
  background: var(--primary-hover, #7c6fff);
}

/* ========== 思考过程折叠区块 ========== */
.thinking-block {
  margin-bottom: 0.75rem;
  border-radius: 8px;
  background: rgba(100, 100, 120, 0.15);
  border: 1px solid rgba(150, 150, 170, 0.2);
  overflow: hidden;
}

.thinking-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.thinking-header:hover {
  background: rgba(150, 150, 170, 0.1);
}

.thinking-icon {
  font-size: 1rem;
}

.thinking-title {
  flex: 1;
  font-size: 0.85rem;
  color: #a0a0b0;
  font-weight: 500;
}

.thinking-toggle {
  font-size: 0.7rem;
  color: #808090;
  transition: transform 0.2s;
}

.thinking-content {
  padding: 0.8rem;
  padding-top: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #909098;
  border-top: 1px solid rgba(150, 150, 170, 0.15);
  max-height: 300px;
  overflow-y: auto;
}

.thinking-block.collapsed .thinking-content {
  display: none;
}

.thinking-block.collapsed .thinking-header {
  border-bottom: none;
}

/* 思考内容滚动条 */
.thinking-content::-webkit-scrollbar {
  width: 4px;
}

.thinking-content::-webkit-scrollbar-track {
  background: transparent;
}

.thinking-content::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 170, 0.3);
  border-radius: 2px;
}