/* FORCE TOP ALIGN - 最暴力的方案 */
html, body {
  margin: 0 !important;
  padding: 0 !important;
  width: 100% !important;
  height: 100% !important;
  overflow: hidden !important;
  position: relative !important;
}

/* ===== 账号管理页（豆包风格）===== */
.account-page-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.account-page-overlay.show {
  opacity: 1;
  visibility: visible;
}

.account-page {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: #f5f5f7;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.account-page-overlay.show .account-page {
  transform: translateX(0);
}

/* 顶部标题栏 */
.account-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 20px;
  background: #fff;
  border-bottom: 1px solid #e5e5ea;
  position: sticky;
  top: 0;
  z-index: 10;
}

.account-title {
  font-size: 17px;
  font-weight: 600;
  color: #000;
  margin: 0;
}

.account-close-btn {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #f0f0f5;
  border: none;
  color: #666;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.account-close-btn:hover {
  background: #e5e5ea;
}

/* 内容区 */
.account-content {
  flex: 1;
  padding: 16px;
}

/* 用户信息卡片 */
.account-user-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.account-user-card:hover {
  background: #fafafa;
}

.user-avatar-large {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.user-info-large {
  flex: 1;
  overflow: hidden;
}

.user-name-large {
  font-size: 18px;
  font-weight: 600;
  color: #000;
  margin-bottom: 4px;
}

.user-id-large {
  font-size: 14px;
  color: #8e8e93;
}

.user-arrow-large {
  font-size: 24px;
  color: #c7c7cc;
  flex-shrink: 0;
}

/* 功能列表 */
.account-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.account-group {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
}

.account-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid #f0f0f5;
}

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

.account-item:hover {
  background: #f8f8f8;
}

.account-item.danger .item-title {
  color: #ff3b30;
}

.item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.item-icon.purple {
  background: #af52de;
}

.item-icon.blue {
  background: #007aff;
}

.item-icon.green {
  background: #34c759;
}

.item-icon.gray {
  background: #8e8e93;
}

.item-icon.orange {
  background: #ff9500;
}

.item-icon.red {
  background: #ff3b30;
}

.item-content {
  flex: 1;
  overflow: hidden;
}

.item-title {
  font-size: 16px;
  color: #000;
  margin-bottom: 2px;
}

.item-value {
  font-size: 14px;
  color: #8e8e93;
}

.item-arrow {
  font-size: 20px;
  color: #c7c7cc;
  flex-shrink: 0;
}

/* 响应式：移动端全屏 */
@media (max-width: 768px) {
  .account-page {
    max-width: 100%;
  }
}

/* ===== 侧边栏抽屉（豆包移动版风格）===== */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

.sidebar-drawer {
  position: fixed;
  top: 0;
  left: -320px;
  width: 280px;
  height: 100%;
  background: #1a1d24;
  z-index: 2000;
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.3);
}

.sidebar-drawer.show {
  left: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.sidebar-close-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}

.sidebar-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* 菜单列表 */
.sidebar-menu {
  flex: 1;
  padding: 12px 12px;
  overflow-y: auto;
}

.menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 12px 14px;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  text-align: left;
  margin-bottom: 2px;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.menu-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

/* 底部用户信息 */
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.user-info-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.user-info-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.user-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.user-name {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-plan {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-arrow {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
}

.sidebar-status-dot.online {
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

/* 侧边栏导航 */
.sidebar-nav-section {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-nav-title {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  padding: 0 8px;
}

.sidebar-nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  text-align: left;
}

.sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.sidebar-nav-icon {
  font-size: 16px;
  width: 24px;
  text-align: center;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.sidebar-username {
  flex: 1;
  text-align: left;
  font-size: 14px;
}

.sidebar-arrow {
  font-size: 12px;
  opacity: 0.5;
}

.sidebar-nav {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.sidebar-nav-item.active {
  background: rgba(100, 150, 255, 0.15);
  color: #60a5fa;
  border-right: 3px solid #60a5fa;
}

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

.sidebar-section {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-section-title {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-section-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-action-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s;
  text-align: left;
}

.sidebar-action-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.sidebar-stat-item {
  padding: 6px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.sidebar-stat-item span {
  color: #60a5fa;
  font-weight: 600;
}

/* hamburger 按钮 */
.hamburger-btn {
  font-size: 20px !important;
  padding: 6px 12px !important;
}

/* ===== 自定义对话下拉菜单 ===== */
.custom-dropdown {
  position: relative;
  flex: 1;
  max-width: 300px;
}

.dropdown-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: #e4e7eb;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.dropdown-toggle:hover {
  border-color: var(--accent);
}

.dropdown-arrow {
  font-size: 10px;
  opacity: 0.6;
  margin-left: 8px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 16px var(--shadow);
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
  display: none;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 13px;
}

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

.dropdown-item.active {
  background: rgba(74, 144, 217, 0.1);
  color: var(--accent);
}

.dropdown-item-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.dropdown-item:hover .dropdown-item-actions {
  opacity: 1;
}

.session-rename-btn,
.session-delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.2s;
}

.session-rename-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.session-delete-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 4px 0;
}

/* ===== 隐藏已移到侧边栏的元素 ===== */
.tab-bar {
  display: none !important;
}

#chatStatsBar {
  display: none !important;
}

#headerSettingsBtn {
  display: none !important;
}

#userStatusBtn {
  display: none !important;
}

/* 隐藏 chat-session-bar 中的文档模式、模板、知识库按钮 */
.chat-session-bar .doc-mode-btn,
.chat-session-bar .template-btn,
.chat-session-bar .kb-btn {
  display: none !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .tab-bar {
    display: none !important;
  }
}

/* header 绝对定位在最顶部 */
.header {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1000 !important;
  height: 60px !important;
  margin: 0 !important;
}

/* main 从 60px 开始 */
.main {
  position: absolute !important;
  top: 60px !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  overflow: hidden !important;
}
:root{
  --bg-primary:#161920;
  --bg-secondary:#1a1d24;
  --bg-card:#1a1d24;
  --bg-input:#1a1d24;
  --bg-hover:#2a2e37;
  --bg-active:#2a2e37;
  --border-color:#2a2e37;
  --text-primary:#e4e7eb;
  --text-secondary:#9aa0a6;
  --text-muted:#555;
  --accent:#4a90d9;
  --accent-hover:#3a7bc8;
  --success:#4ade80;
  --danger:#ff6b6b;
  --shadow:rgba(0,0,0,0.4);
}
body.day{
  --bg-primary:#f0f4fa;
  --bg-secondary:#ffffff;
  --bg-card:rgba(255,255,255,0.92);
  --bg-input:#ffffff;
  --bg-hover:#e4eaf2;
  --bg-active:#d4dce8;
  --border-color:#b8c4d8;
  --text-primary:#2a3a5a;
  --text-secondary:#5a6a8a;
  --text-muted:#8a9ab0;
  --accent:#4a8ac8;
  --accent-hover:#3a7ab8;
  --success:#27ae60;
  --danger:#e74c3c;
  --shadow:rgba(100,120,160,0.15);
}
html,body{margin:0!important;padding:0!important;width:100%;height:100%;overflow:hidden}
*{margin:0;padding:0;box-sizing:border-box}
body{margin:0!important;padding:0!important;font-family:-apple-system,'PingFang SC','Helvetica Neue',sans-serif;background:linear-gradient(180deg,#0a1628 0%,#122a44 35%,#1a3a5c 60%,#1f4a6c 100%);color:#e4e7eb;height:100vh;display:flex;flex-direction:column;overflow:hidden;transition:background 0.5s ease,color 0.3s ease}
.starry-bg{position:fixed;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none;z-index:0}
.starry-bg .star{position:absolute;background:#fff;border-radius:50%;animation:twinkle ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.2}50%{opacity:.85}}
.header,.main{position:relative;z-index:1}
.header{margin:0!important;padding:10px 20px!important;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color);background:#161920;transition:background 0.3s ease,border-color 0.3s ease}
.header .logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:#e4e7eb}
.header .logo .dot{width:8px;height:8px;border-radius:50%;background:var(--success)}
.header .status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary)}
.header .status .ws-dot{width:8px;height:8px;border-radius:50%;background:#666;transition:background .3s}
.header .status .ws-dot.connected{background:var(--success)}
.main{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow:hidden;max-width:960px;width:100%;margin:0 auto;padding:0 20px}
.panel{display:none;flex-direction:column;height:100%;position:relative}
.panel.active{display:flex}
/* 工作模式 */
.work-welcome{text-align:center;padding:32px 0 16px}
.work-welcome h1{font-size:26px;font-weight:700;color:#e4e7eb;margin-bottom:6px}
.work-welcome p{font-size:13px;color:var(--text-secondary)}
.timeline{flex:1;overflow-y:auto;padding:12px 0;scroll-behavior:smooth}
.timeline::-webkit-scrollbar{width:5px}
.timeline::-webkit-scrollbar-thumb{background:#2a2e37;border-radius:3px}
.step-card{background:var(--bg-card);border-radius:10px;padding:12px 16px;margin-bottom:10px;border-left:3px solid var(--accent);animation:slideIn .25s ease;transition:background 0.3s ease}
.step-card.thinking{border-left-color:#f5a623}
/* 任务执行可视化增强 */
.step-card .step-header{position:relative}
.step-card .step-duration{font-size:10px;color:var(--text-muted);margin-left:auto;font-weight:normal}
.step-card.tool.running .step-icon{animation:pulse 1s ease-in-out infinite}
.step-card.tool.running .step-title::after{content:'执行中...';margin-left:8px;font-size:11px;color:var(--accent);font-weight:normal}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
.step-card.tool.success .step-icon{filter:hue-rotate(90deg)}
.step-card.tool.error .step-icon{filter:hue-rotate(-30deg)}
.tool-result-preview{font-size:11px;color:var(--text-muted);margin-top:4px;padding:6px 8px;background:#1a1d24;border-radius:4px;max-height:60px;overflow:hidden;position:relative}
.tool-result-preview::after{content:'';position:absolute;bottom:0;left:0;right:0;height:20px;background:linear-gradient(transparent,#1a1d24)}
/* 步骤时间线连接线 */
.timeline{position:relative}
.timeline::before{content:'';position:absolute;left:20px;top:0;bottom:0;width:2px;background:var(--border-color);opacity:0.3}
.task-group{position:relative;padding-left:0}
.task-group::before{display:none}
/* 任务模板 - 紧凑 chip 样式 */
.task-templates{padding:4px 0}
.tt-chips{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0}
.tt-chips::-webkit-scrollbar{display:none}
.tt-chip{flex-shrink:0;display:inline-flex;align-items:center;gap:4px;padding:5px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s;white-space:nowrap;user-select:none}
.tt-chip:hover{border-color:var(--accent);color:#e4e7eb;background:var(--bg-hover);transform:translateY(-1px)}
/* 输入框自动增高 */
.input-box{resize:none;overflow:hidden;max-height:160px;transition:height .1s}
/* 消息操作按钮 - 豆包风格：底部操作栏，默认只显示图标，hover展开文字 */
.chat-msg{position:relative}
.chat-msg .msg-actions{display:inline-flex;align-items:center;gap:2px;margin-top:6px;opacity:1;transition:opacity .15s}
.chat-msg:hover .msg-actions{opacity:1}
.msg-action-btn{display:inline-flex;align-items:center;gap:4px;max-width:24px;height:24px;padding:0 4px;overflow:hidden;background:transparent;border:none;border-radius:6px;font-size:12px;color:var(--text-muted);cursor:pointer;transition:max-width .2s ease,background .15s,color .15s,padding .15s;white-space:nowrap}
.msg-action-btn:hover{max-width:120px;color:#e4e7eb;background:var(--bg-hover);padding:0 8px}
.msg-action-btn .btn-icon{font-size:13px;flex-shrink:0}
.msg-action-btn .btn-text{font-size:11px;opacity:0;transition:opacity .15s}
.msg-action-btn:hover .btn-text{opacity:1}
/* 重新生成/重试按钮 - 与操作栏同行 */
.regenerate-btn{display:inline-flex;align-items:center;gap:4px;margin-top:6px;margin-left:4px;padding:0 4px;height:24px;max-width:24px;overflow:hidden;background:transparent;border:none;border-radius:6px;font-size:12px;color:var(--text-muted);cursor:pointer;transition:max-width .2s ease,background .15s,color .15s,padding .15s;white-space:nowrap}
.regenerate-btn:hover{max-width:120px;color:#e4e7eb;background:var(--bg-hover);padding:0 8px}
.regenerate-btn .btn-icon{font-size:13px;flex-shrink:0}
.regenerate-btn .btn-text{font-size:11px;opacity:0;transition:opacity .15s}
.regenerate-btn:hover .btn-text{opacity:1}
.regenerate-btn:disabled{opacity:0.5;cursor:not-allowed}
/* 操作栏容器：让 msg-actions 和 regenerate-btn 在同一行 */
.chat-msg .chat-msg-footer{display:flex;align-items:center;flex-wrap:wrap;gap:2px}
/* 图片灯箱 */
.lightbox-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.9);z-index:9999;display:flex;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox-overlay img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,0.5)}
.lightbox-close{position:absolute;top:20px;right:24px;color:#fff;font-size:28px;cursor:pointer;background:none;border:none;opacity:0.8;transition:opacity .2s}
.lightbox-close:hover{opacity:1}
/* 工具结果 JSON 美化 */
.tool-result-json{background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;padding:10px;font-size:11px;font-family:monospace;white-space:pre-wrap;word-break:break-all;max-height:200px;overflow:auto;color:var(--text-secondary);line-height:1.5}
.tool-result-json .json-key{color:#e5c07b}
.tool-result-json .json-string{color:#98c379}
.tool-result-json .json-number{color:#d19a66}
.tool-result-json .json-boolean{color:#c678dd}
.tool-result-json .json-null{color:#5c6370;font-style:italic}
/* 空状态优化 */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;color:var(--text-muted)}
.empty-state .empty-icon{font-size:48px;margin-bottom:16px;opacity:0.5}
.empty-state h2{font-size:18px;color:#e4e7eb;margin:0 0 8px 0;font-weight:600}
.empty-state p{font-size:13px;margin:0;line-height:1.6;max-width:400px}
/* 快捷键提示 */
.kbd-hint{display:inline-block;padding:1px 6px;background:#1a1d24;border:1px solid var(--border-color);border-radius:4px;font-size:10px;font-family:monospace;color:var(--text-muted)}
/* 滚动条美化 */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}
/* 输入字数统计 */
.char-count{position:absolute;bottom:4px;right:70px;font-size:10px;color:var(--text-muted);pointer-events:none;opacity:0;transition:opacity .2s}
.input-wrapper:hover .char-count,.input-wrapper:focus-within .char-count{opacity:1}
.char-count.warning{color:#f5a623}
.char-count.danger{color:#e74c3c}
/* 主题平滑过渡 */
body, .app-container, .sidebar, .main-content, .header, .tab-bar, .panel, .chat-bubble, .step-card, .input-box, .send-btn, .project-modal, .modal-content, .tool-item-card, .history-item, .file-entry, .tt-chip, .msg-action-btn, .regenerate-btn, .api-bar, .chat-session-bar, .work-task-bar, .project-bar, .project-btn, .project-dropdown, .work-history-panel, .model-dropdown-panel, .confirm-btn, .new-chat-btn, .tab-btn, .login-status-btn, .user-dropdown{transition:background-color .3s ease,border-color .3s ease,color .3s ease,box-shadow .3s ease}
/* 消息时间戳 */
.msg-timestamp{font-size:10px;color:var(--text-muted);margin-top:4px;opacity:0.7}
.chat-msg:hover .msg-timestamp{opacity:1}
/* API 测试按钮 */
.api-test-btn{padding:6px 14px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:12px;cursor:pointer;transition:opacity .2s}
.api-test-btn:hover{opacity:0.9}
.api-test-btn:disabled{opacity:0.5;cursor:not-allowed}
.api-test-result{margin-top:8px;padding:8px 12px;border-radius:6px;font-size:12px;display:none}
.api-test-result.success{display:block;background:rgba(46,204,113,0.1);color:#2ecc71;border:1px solid rgba(46,204,113,0.3)}
.api-test-result.error{display:block;background:rgba(231,76,60,0.1);color:#e74c3c;border:1px solid rgba(231,76,60,0.3)}
/* 加载骨架屏 */
.skeleton{background:linear-gradient(90deg,#1a1d24 25%,var(--bg-hover) 50%,#1a1d24 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:6px}
@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}
/* 拖拽上传提示 */
.drop-zone-active{outline:2px dashed var(--accent);outline-offset:-4px;background:rgba(74,144,217,0.05)}
/* 全局 Toast 通知 */
.toast-container{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{padding:12px 20px;border-radius:10px;font-size:13px;color:#fff;box-shadow:0 4px 16px rgba(0,0,0,0.2);animation:toast-in .3s ease;pointer-events:auto;max-width:360px;display:flex;align-items:center;gap:8px}
.toast.success{background:linear-gradient(135deg,#2ecc71,var(--success))}
.toast.error{background:linear-gradient(135deg,var(--danger),#c0392b)}
.toast.warning{background:linear-gradient(135deg,var(--warning, #f39c12),#e67e22)}
.toast.info{background:linear-gradient(135deg,var(--info, #3498db),#2980b9)}
@keyframes toast-in{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes toast-out{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(40px)}}
.toast.hide{animation:toast-out .3s ease forwards}
/* 代码块行号 */
.code-block{position:relative;margin:10px 0;border-radius:8px;overflow:hidden;border:1px solid var(--border-color)}
.code-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:#1a1d24;border-bottom:1px solid var(--border-color);font-size:11px;color:var(--text-muted)}
.code-lang{font-family:monospace;text-transform:uppercase;letter-spacing:0.5px}
.code-copy-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:11px;padding:2px 8px;border-radius:4px;transition:all .15s}
.code-copy-btn:hover{color:#e4e7eb;background:var(--bg-hover)}
.code-body{display:flex;background:#1a1d24;overflow-x:auto}
.code-line-numbers{padding:12px 8px 12px 12px;font-family:monospace;font-size:12px;line-height:1.6;color:var(--text-muted);text-align:right;user-select:none;border-right:1px solid var(--border-color);min-width:40px}
.code-content{padding:12px;font-family:monospace;font-size:12px;line-height:1.6;white-space:pre;overflow-x:auto;flex:1;color:#e4e7eb}
/* 自动滚动锁定按钮 */
.scroll-lock-btn{position:absolute;bottom:70px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 2px 8px var(--shadow);transition:all .2s;opacity:0;pointer-events:none}
.scroll-lock-btn.show{opacity:1;pointer-events:auto}
.scroll-lock-btn:hover{border-color:var(--accent);transform:scale(1.1)}
.scroll-lock-btn.locked{background:var(--accent);border-color:var(--accent)}
/* 任务完成庆祝动画 */
@keyframes celebrate{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}
.step-card.done.celebrate{animation:celebrate .5s ease}
.confetti{position:fixed;width:8px;height:8px;pointer-events:none;z-index:9999;animation:confetti-fall 3s ease-out forwards}
@keyframes confetti-fall{0%{transform:translateY(0) rotate(0deg);opacity:1}100%{transform:translateY(100vh) rotate(720deg);opacity:0}}
/* 消息编辑 */
.chat-msg.user .chat-bubble{cursor:pointer;transition:background .15s}
.chat-msg.user .chat-bubble:hover{background:var(--bg-hover)}
.chat-msg.user.editing .chat-bubble{display:none}
.edit-input{width:100%;padding:10px 14px;background:var(--bg-card);border:1px solid var(--accent);border-radius:12px;color:#e4e7eb;font-size:14px;resize:none;outline:none;font-family:inherit}
.edit-actions{display:flex;gap:8px;margin-top:6px}
.edit-actions button{padding:4px 12px;border-radius:6px;font-size:12px;cursor:pointer;border:none}
.edit-save{background:var(--accent);color:#fff}
.edit-cancel{background:#1a1d24;color:var(--text-secondary)}
/* 步骤全部折叠/展开按钮 */
.collapse-all-btn{font-size:11px;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:2px 6px;border-radius:4px;transition:all .15s}
.collapse-all-btn:hover{color:#e4e7eb;background:var(--bg-hover)}
/* 配置导入导出 */
.config-io-btns{display:flex;gap:8px;margin-top:8px}
.config-io-btn{flex:1;padding:6px 10px;background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;font-size:11px;color:var(--text-secondary);cursor:pointer;transition:all .15s;text-align:center}
.config-io-btn:hover{border-color:var(--accent);color:#e4e7eb}
/* 消息搜索 */
.search-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-card);border-bottom:1px solid var(--border-color)}
.search-input{flex:1;padding:6px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;color:#e4e7eb;font-size:13px;outline:none}
.search-input:focus{border-color:var(--accent)}
.search-count{font-size:11px;color:var(--text-muted);white-space:nowrap}
.search-nav-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:14px;padding:2px 6px;border-radius:4px;transition:all .15s}
.search-nav-btn:hover{color:#e4e7eb;background:var(--bg-hover)}
.search-highlight{background:rgba(245,166,35,0.3);padding:0 2px;border-radius:2px}
.search-highlight.current{background:rgba(245,166,35,0.6)}
/* 快捷键帮助面板 */
.shortcuts-modal{width:560px!important;max-height:70vh;overflow-y:auto}
.shortcuts-group{margin-bottom:16px}
.shortcuts-group h4{font-size:13px;color:#e4e7eb;margin:0 0 8px 0;padding-bottom:6px;border-bottom:1px solid var(--border-color)}
.shortcut-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:12px;color:var(--text-secondary)}
.shortcut-item .kbd-group{display:flex;gap:4px}
/* 步骤耗时 */
.step-duration-tag{font-size:10px;color:var(--text-muted);margin-left:8px;font-weight:normal;opacity:0.8}
.step-card:hover .step-duration-tag{opacity:1}
/* 空状态推荐问题 */
.empty-suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px;max-width:500px}
.empty-suggestion{padding:8px 16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s}
.empty-suggestion:hover{border-color:var(--accent);color:#e4e7eb;background:var(--bg-hover);transform:translateY(-1px)}
/* 提供商图标 */
.provider-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;font-size:12px;margin-right:8px;flex-shrink:0}
/* 取消确认 */
.cancel-confirm-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:9998;display:flex;align-items:center;justify-content:center}
.cancel-confirm-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:24px;max-width:400px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,0.3)}
.cancel-confirm-box h3{margin:0 0 8px 0;font-size:16px;color:#e4e7eb}
.cancel-confirm-box p{margin:0 0 20px 0;font-size:13px;color:var(--text-secondary)}
.cancel-confirm-buttons{display:flex;gap:12px;justify-content:center}
.cancel-confirm-buttons button{padding:8px 20px;border-radius:8px;font-size:13px;cursor:pointer;border:none;transition:opacity .2s}
.cancel-confirm-buttons button:hover{opacity:0.9}
.btn-confirm-cancel{background:#e74c3c;color:#fff}
.btn-keep-running{background:#1a1d24;color:var(--text-secondary)}
/* Markdown 输入提示 */
/* md-hint-bar 已移除 */
/* 任务进度条 */
.task-progress-bar{height:4px;background:#1a1d24;border-radius:2px;overflow:hidden;margin:8px 0}
.task-progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#6ee7b7);border-radius:2px;transition:width .3s ease;position:relative}
.task-progress-fill::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);animation:progress-shine 1.5s infinite}
@keyframes progress-shine{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.task-progress-text{font-size:11px;color:var(--text-muted);text-align:center;margin-top:4px}
/* 消息引用 */
.quote-ref{border-left:3px solid var(--accent);padding:6px 12px;margin-bottom:8px;background:#1a1d24;border-radius:0 8px 8px 0;font-size:12px;color:var(--text-secondary);max-height:80px;overflow:hidden;position:relative}
.quote-ref::after{content:'';position:absolute;bottom:0;left:0;right:0;height:20px;background:linear-gradient(transparent,#1a1d24)}
.quote-ref .quote-label{font-size:10px;color:var(--accent);font-weight:600;margin-bottom:2px;text-transform:uppercase;letter-spacing:0.5px}
/* 错误步骤高亮 */
.step-card.error{border-left-color:#e74c3c!important;background:rgba(231,76,60,0.05)!important}
.step-card.error .step-icon{filter:hue-rotate(-30deg) saturate(1.5)}
.step-card.error .step-title{color:#e74c3c}
.step-card.error .step-content{color:#ec7063}
/* 推荐问题美化 */
.suggested-questions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.suggested-q-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:20px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .2s;max-width:100%}
.suggested-q-btn:hover{border-color:var(--accent);color:#e4e7eb;background:var(--bg-hover);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}
.suggested-q-btn .sq-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.suggested-q-btn .sq-arrow{color:var(--accent);font-size:14px;flex-shrink:0;transition:transform .2s}
.suggested-q-btn:hover .sq-arrow{transform:translateX(3px)}
/* 全局字体优化 */
body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
.chat-bubble,.step-content,.input-box{font-family:inherit}
code,pre,.code-content,.code-line-numbers,.tool-args{font-family:'SF Mono',Menlo,Monaco,'Consolas','Liberation Mono','Courier New',monospace}
/* 工具结果折叠 */
.tool-result-collapsed{max-height:60px!important;overflow:hidden!important;position:relative}
.tool-result-toggle{display:block;width:100%;padding:6px;text-align:center;font-size:11px;color:var(--accent);background:#1a1d24;border:none;border-radius:4px;cursor:pointer;margin-top:6px;transition:background .15s}
.tool-result-toggle:hover{background:var(--bg-hover)}
/* 消息朗读按钮 */
.tts-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:2px 6px;border-radius:4px;transition:all .15s}
.tts-btn:hover{color:#e4e7eb;background:var(--bg-hover)}
.tts-btn.speaking{color:var(--accent);animation:pulse 1s infinite}
/* 模型信息标签 */
.model-info-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:#1a1d24;border-radius:10px;font-size:10px;color:var(--text-muted);margin-left:8px}
.model-info-tag.tool-call{background:rgba(46,204,113,0.1);color:#2ecc71}
.model-info-tag.reasoning{background:rgba(155,89,182,0.1);color:#9b59b6}
/* 引用回复输入框 */
.reply-quote-bar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;margin-bottom:8px;font-size:12px}
.reply-quote-bar .reply-quote-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary)}
.reply-quote-bar .reply-quote-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:0 4px}
.reply-quote-bar .reply-quote-close:hover{color:#e4e7eb}
/* 消息气泡样式优化 */
.chat-msg{margin-bottom:16px;display:flex;flex-direction:column}
.chat-msg.user{align-items:flex-end}
.chat-msg.assistant{align-items:flex-start}
.chat-bubble{max-width:100%;padding:12px 16px;border-radius:16px;line-height:1.6;font-size:14px;position:relative;overflow-wrap:break-word;word-break:normal}
.chat-msg.user .chat-bubble{background:linear-gradient(135deg,var(--accent),#5b8def);color:#fff;border-bottom-right-radius:4px;box-shadow:0 2px 8px rgba(74,144,217,0.3)}
.chat-msg.assistant .chat-bubble{background:var(--bg-card);color:#e4e7eb;border:1px solid var(--border-color);border-bottom-left-radius:4px;box-shadow:0 1px 4px var(--shadow)}
/* 工具调用重试 */
.tool-retry-btn{display:inline-flex;align-items:center;gap:4px;margin-left:8px;padding:2px 8px;background:rgba(231,76,60,0.1);color:#e74c3c;border:1px solid rgba(231,76,60,0.3);border-radius:10px;font-size:10px;cursor:pointer;transition:all .15s}
.tool-retry-btn:hover{background:rgba(231,76,60,0.2);border-color:#e74c3c}
/* 消息收藏 */
.favorite-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:2px 6px;border-radius:4px;transition:all .15s}
.favorite-btn:hover{color:#f5a623}
.favorite-btn.favorited{color:#f5a623}
.favorite-btn.favorited::after{content:'已收藏';font-size:9px;margin-left:2px}
/* 表情选择器 */
.emoji-picker{position:absolute;bottom:calc(100% + 8px);left:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:12px;box-shadow:0 8px 32px rgba(0,0,0,0.2);z-index:100;display:none;grid-template-columns:repeat(8,1fr);gap:4px;max-width:320px}
.emoji-picker.show{display:grid}
.emoji-item{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;border-radius:6px;transition:background .15s}
.emoji-item:hover{background:var(--bg-hover);transform:scale(1.2)}
.emoji-category{grid-column:1/-1;font-size:11px;color:var(--text-muted);padding:4px 0;border-bottom:1px solid var(--border-color);margin-bottom:4px}
/* 步骤备注 */
.step-note{margin-top:8px;padding:8px 12px;background:rgba(245,166,35,0.08);border-left:3px solid #f5a623;border-radius:0 6px 6px 0;font-size:12px;color:var(--text-secondary)}
.step-note .note-label{font-size:10px;color:#f5a623;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:2px}
.add-note-btn{font-size:10px;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:2px 6px;border-radius:4px;transition:all .15s;margin-top:4px}
.add-note-btn:hover{color:#f5a623;background:rgba(245,166,35,0.1)}
/* 消息翻译 */
.translate-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:2px 6px;border-radius:4px;transition:all .15s}
.translate-btn:hover{color:var(--accent)}
.translated-text{margin-top:8px;padding:8px 12px;background:#1a1d24;border-radius:8px;font-size:13px;color:var(--text-secondary);border-left:3px solid var(--accent)}
/* API 使用统计 */
.usage-stats{display:flex;gap:16px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;margin-top:8px;font-size:11px}
.usage-stat{display:flex;flex-direction:column;gap:2px}
.usage-stat .usage-label{color:var(--text-muted);font-size:10px}
.usage-stat .usage-value{color:#e4e7eb;font-weight:600;font-size:13px}
.usage-stat .usage-value.accent{color:var(--accent)}
.usage-stat .usage-value.warning{color:#f5a623}
/* 系统主题跟随提示 */
.theme-auto-indicator{display:inline-flex;align-items:center;gap:4px;font-size:10px;color:var(--text-muted);margin-left:8px}
.theme-auto-indicator .auto-dot{width:6px;height:6px;border-radius:50%;background:#2ecc71;animation:pulse 2s infinite}
/* 消息头像 */
.chat-msg{flex-direction:row;gap:10px;align-items:flex-start}
.chat-msg.user{flex-direction:row-reverse}
.chat-avatar{width:36px;height:36px;border-radius:50%;display:none;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;margin-top:2px}
.chat-msg.user .chat-avatar{background:linear-gradient(135deg,var(--accent),#5b8def);color:#fff;box-shadow:0 2px 8px rgba(74,144,217,0.3)}
.chat-msg.assistant .chat-avatar{background:var(--bg-card);border:1px solid var(--border-color)}
.chat-content-wrapper{
  display: flex;
  flex-direction: column;
  max-width: 80%;
  width: 100%;
  min-width: 200px;  /* 确保最小宽度，防止文字竖排 */
}

/* 确保聊天消息有足够宽度 */
.chat-msg {
  width: 100%;
}

.chat-bubble {
  max-width: 100% !important;
  width: auto !important;
}
.chat-msg.user .chat-content-wrapper{align-items:flex-end}
/* 工具结果复制 */
.tool-result-copy-btn{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:#1a1d24;color:var(--text-muted);border:1px solid var(--border-color);border-radius:10px;font-size:10px;cursor:pointer;transition:all .15s;margin-top:6px}
.tool-result-copy-btn:hover{color:#e4e7eb;border-color:var(--accent)}
/* 对话轮数统计 */
.chat-stats-bar{display:flex;align-items:center;gap:12px;padding:6px 12px;font-size:11px;color:var(--text-muted);background:var(--bg-card);border-bottom:1px solid var(--border-color)}
.chat-stat-item{display:flex;align-items:center;gap:4px}
.chat-stat-item .stat-value{color:#e4e7eb;font-weight:600}
/* 步骤搜索 */
.step-search-bar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bg-card);border-bottom:1px solid var(--border-color)}
.step-search-input{flex:1;padding:4px 10px;background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;color:#e4e7eb;font-size:12px;outline:none}
.step-search-input:focus{border-color:var(--accent)}
.step-search-count{font-size:11px;color:var(--text-muted);white-space:nowrap}
/* 附件上传 */
.attach-btn{background:none;border:none;cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px;transition:background .15s}
.attach-btn:hover{background:var(--bg-hover)}
.attach-preview{display:flex;gap:8px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;margin-bottom:8px;flex-wrap:wrap}
.attach-item{display:flex;align-items:center;gap:6px;padding:4px 10px;background:#1a1d24;border-radius:6px;font-size:12px;color:var(--text-secondary)}
.attach-item .attach-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:0 2px}
.attach-item .attach-remove:hover{color:#e74c3c}
/* 模板管理 */
.template-manager{margin-top:8px}
.template-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;margin-bottom:6px;transition:all .15s}
.template-item:hover{border-color:var(--accent)}
.template-item .template-icon{font-size:18px;flex-shrink:0}
.template-item .template-info{flex:1;min-width:0}
.template-item .template-name{font-size:13px;font-weight:600;color:#e4e7eb}
.template-item .template-desc{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.template-item .template-actions{display:flex;gap:4px;flex-shrink:0}
.template-item .template-action-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:2px 6px;border-radius:4px;transition:all .15s}
.template-item .template-action-btn:hover{color:#e4e7eb;background:var(--bg-hover)}
.template-item .template-action-btn.delete:hover{color:#e74c3c}
/* 消息分享 */
.share-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:2px 6px;border-radius:4px;transition:all .15s}
.share-btn:hover{color:var(--accent)}
/* 请求日志 */
.request-log{max-height:200px;overflow-y:auto;margin-top:8px;border:1px solid var(--border-color);border-radius:8px}
.request-log-item{display:flex;align-items:center;gap:8px;padding:6px 10px;font-size:11px;border-bottom:1px solid var(--border-color)}
.request-log-item:last-child{border-bottom:none}
.request-log-item .log-status{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.request-log-item .log-status.success{background:#2ecc71}
.request-log-item .log-status.error{background:#e74c3c}
.request-log-item .log-status.pending{background:#f5a623;animation:pulse 1s infinite}
.request-log-item .log-model{color:#e4e7eb;font-weight:500;flex-shrink:0}
.request-log-item .log-tokens{color:var(--text-muted);margin-left:auto;flex-shrink:0}
.request-log-item .log-time{color:var(--text-muted);flex-shrink:0}
/* 消息出现动画 */
.chat-msg{animation:msg-fade-in .3s ease-out}
@keyframes msg-fade-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.chat-msg.user{animation:msg-fade-in-right .3s ease-out}
@keyframes msg-fade-in-right{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
/* 步骤完成动画 */
.step-card.completed{animation:step-complete .4s ease-out}
@keyframes step-complete{0%{transform:scale(1)}50%{transform:scale(1.02);box-shadow:0 0 0 3px rgba(46,204,113,0.3)}100%{transform:scale(1)}}
.step-card .step-check{display:inline-block;width:16px;height:16px;margin-right:6px;border-radius:50%;border:2px solid var(--border-color);text-align:center;line-height:12px;font-size:10px;transition:all .3s}
.step-card.completed .step-check{background:#2ecc71;border-color:#2ecc71;color:#fff;animation:check-pop .3s ease-out}
@keyframes check-pop{0%{transform:scale(0)}50%{transform:scale(1.3)}100%{transform:scale(1)}}
/* Markdown 实时预览 */
.md-preview{position:absolute;bottom:calc(100% + 8px);left:0;right:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:12px 16px;max-height:300px;overflow-y:auto;z-index:50;display:none;box-shadow:0 8px 32px rgba(0,0,0,0.15)}
.md-preview.show{display:block;animation:msg-fade-in .2s ease-out}
.md-preview .preview-label{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px}
.md-preview .preview-content{font-size:13px;color:#e4e7eb;line-height:1.6}
/* 多配置切换 */
.config-profiles{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.config-profile{padding:4px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:16px;font-size:11px;color:var(--text-secondary);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:4px}
.config-profile:hover{border-color:var(--accent);color:#e4e7eb}
.config-profile.active{background:var(--accent);border-color:var(--accent);color:#fff}
.config-profile .profile-delete{background:none;border:none;color:inherit;cursor:pointer;font-size:10px;padding:0 2px;opacity:0.7}
.config-profile .profile-delete:hover{opacity:1}
.add-profile-btn{padding:4px 10px;background:transparent;border:1px dashed var(--border-color);border-radius:16px;font-size:11px;color:var(--text-muted);cursor:pointer;transition:all .15s}
.add-profile-btn:hover{border-color:var(--accent);color:var(--accent)}
/* 语音输入按钮 */
.voice-btn{background:none;border:none;cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px;transition:background .15s;position:relative}
.voice-btn:hover{background:var(--bg-hover)}
.voice-btn.recording{color:#e74c3c;animation:pulse 1s infinite}
.voice-btn.recording::after{content:'';position:absolute;top:2px;right:2px;width:8px;height:8px;background:#e74c3c;border-radius:50%;animation:pulse 1s infinite}
/* 工具结果表格化 */
.tool-result-table{width:100%;border-collapse:collapse;margin:8px 0;font-size:11px}
.tool-result-table th{background:#1a1d24;padding:6px 10px;text-align:left;color:#e4e7eb;font-weight:600;border-bottom:2px solid var(--border-color)}
.tool-result-table td{padding:5px 10px;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}
.tool-result-table tr:hover td{background:var(--bg-hover)}
/* 消息导出按钮 */
.export-msg-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;padding:2px 6px;border-radius:4px;transition:all .15s}
.export-msg-btn:hover{color:var(--accent)}
/* 消息气泡悬停效果 */
.chat-bubble{transition:transform .2s ease,box-shadow .2s ease}
.chat-msg:hover .chat-bubble{transform:translateY(-2px);box-shadow:0 4px 16px var(--shadow)}
.chat-msg.user:hover .chat-bubble{box-shadow:0 4px 16px rgba(74,144,217,0.4)}
/* 字体大小调节 */
.font-size-control{display:flex;align-items:center;gap:6px}
.font-size-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);cursor:pointer;font-size:14px;transition:all .15s}
.font-size-btn:hover{border-color:var(--accent);color:#e4e7eb}
.font-size-value{font-size:11px;color:var(--text-muted);min-width:32px;text-align:center}
/* 上下文限制提示 */
.context-warning{display:flex;align-items:center;gap:6px;padding:6px 12px;background:rgba(245,166,35,0.1);border:1px solid rgba(245,166,35,0.3);border-radius:8px;margin-bottom:8px;font-size:11px;color:#f5a623}
.context-warning.danger{background:rgba(231,76,60,0.1);border-color:rgba(231,76,60,0.3);color:#e74c3c}
/* AI 思考过程折叠 */
.thinking-block{margin:10px 0;border:1px solid var(--border-color);border-radius:10px;overflow:hidden}
.thinking-header{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#1a1d24;cursor:pointer;user-select:none;transition:background .15s}
.thinking-header:hover{background:var(--bg-hover)}
.thinking-header .thinking-icon{font-size:14px}
.thinking-header .thinking-title{font-size:12px;color:var(--text-secondary);font-weight:500}
.thinking-header .thinking-toggle{margin-left:auto;color:var(--text-muted);font-size:10px;transition:transform .2s}
.thinking-block.collapsed .thinking-toggle{transform:rotate(-90deg)}
.thinking-content{padding:10px 12px;font-size:12px;color:var(--text-muted);line-height:1.6;max-height:300px;overflow-y:auto;white-space:pre-wrap}
.thinking-block.collapsed .thinking-content{display:none}
/* 响应时间统计 */
.response-time-tag{display:inline-flex;align-items:center;gap:4px;font-size:10px;color:var(--text-muted);margin-left:8px}
.response-time-tag.fast{color:#2ecc71}
.response-time-tag.normal{color:var(--text-muted)}
.response-time-tag.slow{color:#f5a623}
.response-time-tag.very-slow{color:#e74c3c}
/* 步骤自动展开当前 */
.step-card.current-step{border-left-color:var(--accent)!important;background:rgba(74,144,217,0.05)!important}
.step-card.current-step .step-title{color:var(--accent)}
/* 错误自动重试指示 */
.auto-retry-indicator{display:inline-flex;align-items:center;gap:4px;font-size:10px;color:#f5a623;margin-left:8px}
.auto-retry-indicator .retry-spinner{width:10px;height:10px;border:2px solid #f5a623;border-top-color:transparent;border-radius:50%;animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* 响应式移动端适配 */
@media (max-width:768px){
  .app-container{flex-direction:column}
  .sidebar{width:100%;height:auto;max-height:40vh;border-right:none;border-bottom:1px solid var(--border-color)}
  .main-content{flex:1;overflow:hidden}
  .chat-bubble{max-width:100%}
  .work-task-bar{flex-wrap:wrap;gap:4px}
  .work-task-bar button{font-size:11px;padding:4px 8px}
  .project-bar{flex-wrap:wrap;gap:4px}
  .project-btn{font-size:11px;padding:4px 8px}
  .project-status-bar{display:none}
  .tt-chips{gap:4px}
  .tt-chip{font-size:11px;padding:4px 10px}
  .api-bar{flex-wrap:wrap}
  .chat-session-bar{flex-wrap:wrap;gap:4px}
  .chat-session-bar select{font-size:11px}
  .chat-session-bar button{font-size:11px;padding:4px 8px}
  .header{padding:8px 12px}
  .header .logo{font-size:14px}
  .header .subtitle{display:none}
  .tab-bar{padding:6px 8px}
  .tab-btn{font-size:12px;padding:8px 12px}
  .chat-input-container{padding:10px}
  .chat-input-container .input-box{font-size:14px}
  .send-btn{font-size:13px;padding:8px 16px}
  .step-card{padding:8px 10px}
  .step-title{font-size:12px}
  .step-content{font-size:12px}
  .model-dropdown-panel{max-height:50vh}
  .project-modal{width:95vw!important;max-height:90vh;margin:5vh auto}
  .work-history-panel{width:90vw;right:5vw}
  .file-entry{padding:8px 10px}
  .tool-args{font-size:11px}
}
@media (max-width:480px){
  .tt-chip{font-size:10px;padding:3px 8px}
  .chat-bubble{max-width:100%;font-size:13px}
  .work-welcome h1{font-size:18px}
  .work-welcome p{font-size:12px}
  .header .logo{font-size:13px}
  .tab-btn{font-size:11px;padding:6px 10px}
}
.step-card.tool{border-left-color:#9b59b6}
.step-card.result{border-left-color:#4ade80}
.step-card.error{border-left-color:#e74c3c}
.step-card.done{border-left-color:#4ade80;background:#1a2e22}
.step-card.confirm{border-left-color:#f39c12;background:#2a2418}
.step-card.user-msg{border-left-color:#4a90d9;background:#1a2332}
.step-card.new-question{border-left-color:#9b59b6;background:#1f1a2e;margin-top:16px}
.step-card.new-question .step-title{color:#c39bd3}
.step-card.collapsible .step-header{cursor:pointer;user-select:none}
.step-card.collapsible .step-header::after{content:'▼';font-size:9px;color:#666;margin-left:auto;transition:transform .2s}
.step-card.collapsible.collapsed .step-header::after{transform:rotate(-90deg)}
.step-card.collapsible.collapsed .step-content{display:none}
.step-card.collapsible.collapsed .step-content.tool-args{display:none}
.step-card.collapsible.collapsed .step-content.tool-result{display:none}
/* 工作历史侧边栏 */
.work-history-panel{position:fixed;top:0;right:-400px;width:380px;height:100vh;background:#0f1115;border-left:1px solid #2a2e37;z-index:100;transition:right .3s ease;display:flex;flex-direction:column}
.work-history-panel.open{right:0}
.work-history-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #2a2e37}
.work-history-header h3{margin:0;font-size:15px;color:#e4e7eb}
.work-history-header .actions{display:flex;gap:8px}
.work-history-header button{padding:6px 12px;background:#1a1d24;border:1px solid #2a2e37;border-radius:6px;color:#9aa0a6;font-size:12px;cursor:pointer;transition:all .2s}
.work-history-header button:hover{border-color:#4a90d9;color:#e4e7eb}
.work-history-list{flex:1;overflow-y:auto;padding:12px}
.work-history-item{background:#1a1d24;border:1px solid #2a2e37;border-radius:10px;padding:12px 14px;margin-bottom:10px;cursor:pointer;transition:all .2s}
.work-history-item:hover{border-color:#4a90d9}
.work-history-item .wh-task{font-size:13px;color:#e4e7eb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px}
.work-history-item .wh-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:#666;flex-wrap:wrap}
.work-history-item .wh-status{padding:2px 6px;border-radius:4px;font-size:10px}
.work-history-item .wh-status.completed{background:rgba(74,222,128,0.15);color:#4ade80}
.work-history-item .wh-status.error{background:rgba(231,76,60,0.15);color:#e74c3c}
.work-history-item .wh-status.cancelled{background:rgba(243,156,18,0.15);color:#f39c12}
.work-history-item .wh-status.running{background:rgba(74,144,217,0.15);color:#4a90d9}
.work-history-item .wh-actions{display:flex;gap:6px;margin-top:8px}
.work-history-item .wh-actions button{padding:4px 10px;background:#15181d;border:1px solid #2a2e37;border-radius:5px;color:#9aa0a6;font-size:11px;cursor:pointer;transition:all .2s}
.work-history-item .wh-actions button:hover{border-color:#4a90d9;color:#e4e7eb}
.work-history-item .wh-actions button.danger:hover{border-color:#e74c3c;color:#e74c3c}
.work-history-empty{text-align:center;padding:40px 20px;color:#666;font-size:13px}
.work-history-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:99;display:none}
.work-history-overlay.show{display:block}
/* 历史按钮 */
.work-task-bar button.history-btn{color:var(--text-secondary);border-color:var(--border-color)}
.work-task-bar button.history-btn:hover{border-color:var(--accent);color:#e4e7eb}
/* 任务组容器 */
.task-group{margin-bottom:4px;border-radius:10px;transition:all .2s}
.task-group.collapsed .step-card:not(.user-msg){display:none}
.task-group .step-card.user-msg{margin-bottom:0;border-bottom-left-radius:0;border-bottom-right-radius:0}
.task-group:not(.collapsed) .step-card.user-msg{border-bottom-left-radius:0;border-bottom-right-radius:0}
.task-group .step-card:not(.user-msg){border-radius:0;margin-bottom:0;border-top:none}
.task-group .step-card:last-child{border-bottom-left-radius:10px;border-bottom-right-radius:10px}
/* 处理过程容器 */
.process-group{margin:0;border-radius:0;transition:all .2s}
.process-group .process-header{display:flex;align-items:center;gap:8px;padding:10px 14px;background:rgba(30,33,40,0.6);border-bottom:1px solid #2a2e37;cursor:pointer;user-select:none;transition:background .2s}
.process-group .process-header:hover{background:rgba(40,44,52,0.8)}
.process-group .process-header .process-icon{font-size:14px}
.process-group .process-header .process-title{font-size:13px;color:#9aa0a6;font-weight:500}
.process-group .process-header .process-count{font-size:11px;color:#666;background:rgba(74,144,217,0.1);padding:2px 8px;border-radius:10px}
.process-group .process-header .process-arrow{margin-left:auto;color:#666;font-size:10px;transition:transform .2s}
.process-group.collapsed .process-header .process-arrow{transform:rotate(-90deg)}
.process-group .process-steps{padding:4px 0}
.process-group.collapsed .process-steps{display:none}
/* 工作页滚动容器 */
.work-scroll-wrapper{position:relative;flex:1;overflow:hidden;display:flex}
.work-scroll-wrapper .timeline{flex:1;overflow-y:auto;overflow-x:hidden;padding:16px 20px;scrollbar-width:none;-ms-overflow-style:none}
.work-scroll-wrapper .timeline::-webkit-scrollbar{display:none}
.work-scroll-wrapper .meteor-track{right:8px}
/* 工作任务列表栏 */
.work-task-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#1a1d24;border-bottom:1px solid var(--border-color);backdrop-filter:blur(8px);transition:background 0.3s ease,border-color 0.3s ease}
.work-task-bar select{flex:1;padding:8px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;color:#e4e7eb;font-size:13px;cursor:pointer;outline:none}
.work-task-bar select:focus{border-color:var(--accent)}
.work-task-bar button{padding:7px 14px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all .2s;white-space:nowrap}
.work-task-bar button:hover{border-color:var(--accent);color:#e4e7eb}
.work-task-bar button.rename-btn{background:var(--bg-hover);color:var(--success);border-color:var(--border-color)}
.work-task-bar button.rename-btn:hover{background:var(--bg-active)}
.work-task-bar button.delete-btn{color:var(--danger);border-color:var(--danger)}
.work-task-bar button.delete-btn:hover{background:var(--bg-hover);color:var(--danger)}
.work-task-bar button.clear-btn{color:var(--accent);border-color:var(--accent)}
.work-task-bar button.clear-btn:hover{background:var(--bg-hover);color:var(--accent)}
/* 层级缩进 */
.step-card.level-0{margin-left:0}
.step-card.level-1{margin-left:16px}
.step-card.level-2{margin-left:32px}
.step-card.level-3{margin-left:48px}
@keyframes slideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.step-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.step-icon{font-size:14px}
.step-title{font-size:12px;font-weight:600;color:#c4c9d1}
.step-content{font-size:13px;color:#9aa0a6;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.step-content.tool-args,.step-content.tool-result{background:#15181d;padding:8px 12px;border-radius:6px;font-family:'SF Mono',Menlo,monospace;font-size:11px;margin-top:5px;max-height:250px;overflow-y:auto}
.step-content.tool-args{color:#7ec8e3}
.step-content.tool-result{color:#a8d8a8}
.step-content.tool-result.error{color:#f0a0a0}
.confirm-buttons{display:flex;gap:10px;margin-top:10px}
.confirm-btn{padding:8px 20px;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.confirm-btn.approve{background:#4ade80;color:#000}
.confirm-btn.approve:hover{background:#3ac870}
.confirm-btn.reject{background:#e74c3c;color:#fff}
.confirm-btn.reject:hover{background:#c0392b}
.input-area{padding:12px 0 16px;border-top:1px solid var(--border-color);transition:border-color 0.3s ease}
.suggestions{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.suggestion-chip{padding:5px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:16px;font-size:11px;color:var(--text-secondary);cursor:pointer;transition:all .2s}
.suggestion-chip:hover{border-color:var(--accent);color:#e4e7eb}
.input-wrapper{display:flex;gap:10px;align-items:flex-end}
.input-box{flex:1;background:#1a1d24;border:1px solid var(--border-color);border-radius:10px;padding:12px 16px;resize:none;min-height:48px;max-height:160px;color:#e4e7eb;font-size:13px;font-family:inherit;outline:none;transition:border-color .2s,background 0.3s ease}
.input-box:focus{border-color:var(--accent)}
.input-box::placeholder{color:var(--text-muted)}
.send-btn{padding:12px 24px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}
.send-btn:hover{background:var(--accent-hover)}
.send-btn:disabled{background:#888;cursor:not-allowed}
.send-btn.cancel{background:var(--danger)}
/* 项目选择器 */
.project-bar{display:flex;align-items:center;gap:8px;padding:8px 0;flex-wrap:wrap}
.project-selector{position:relative;display:inline-block}
.project-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all .2s;max-width:280px}
.project-btn:hover{border-color:var(--accent);color:#e4e7eb}
.project-btn .project-icon{font-size:14px}
.project-btn .project-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.project-btn .project-arrow{font-size:10px;opacity:0.6}
.project-dropdown{position:absolute;bottom:calc(100% + 6px);left:0;min-width:320px;max-height:400px;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;box-shadow:0 -4px 20px var(--shadow);z-index:100;display:none}
.project-dropdown.show{display:block}
.project-dropdown-header{padding:10px 14px;border-bottom:1px solid var(--border-color);font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.project-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .15s}
.project-item:hover{background:var(--bg-hover)}
.project-item.active{background:var(--bg-active);border-left:2px solid var(--accent)}
.project-item .pi-icon{font-size:16px;flex-shrink:0}
.project-item .pi-info{flex:1;min-width:0}
.project-item .pi-name{font-size:13px;color:#e4e7eb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.project-item .pi-path{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.project-item .pi-type{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--bg-hover);color:var(--text-secondary);flex-shrink:0}
.project-item .pi-type.local{background:var(--bg-hover);color:var(--accent)}
.project-item .pi-type.cloud{background:var(--bg-hover);color:var(--success)}
.project-item .pi-delete{opacity:0;font-size:14px;color:var(--danger);cursor:pointer;padding:2px 6px;border-radius:4px;transition:opacity .15s}
.project-item:hover .pi-delete{opacity:1}
.project-divider{height:1px;background:var(--border-color);margin:4px 0}
.project-action{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .15s;font-size:13px;color:var(--text-secondary)}
.project-action:hover{background:var(--bg-hover);color:#e4e7eb}
.project-action .pa-icon{font-size:16px}
/* API 提供商快速设置栏（对话页） */
.api-bar{display:flex;align-items:center;gap:8px;padding:8px 0;flex-wrap:wrap}
.api-selector{position:relative}
.api-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all .2s;max-width:220px}
.api-btn:hover{border-color:var(--accent);color:#e4e7eb}
.api-btn .api-icon{font-size:14px}
.api-btn .api-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.api-btn .api-arrow{font-size:10px;opacity:0.6}
.api-quick-dropdown{position:absolute;bottom:calc(100% + 6px);left:0;min-width:280px;max-height:400px;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;box-shadow:0 -4px 20px var(--shadow);z-index:100;display:none}
.api-quick-dropdown.show{display:block}
.api-dropdown-header{padding:10px 14px;border-bottom:1px solid var(--border-color);font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.api-provider-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .15s}
.api-provider-item:hover{background:var(--bg-hover)}
.api-provider-item.active{background:var(--bg-active);border-left:2px solid var(--accent)}
.api-provider-item .pi-icon{font-size:16px;flex-shrink:0}
.api-provider-item .pi-info{flex:1;min-width:0}
.api-provider-item .pi-name{font-size:13px;color:#e4e7eb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.api-provider-item .pi-desc{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.api-model-display{display:flex;flex-direction:column;gap:1px;padding:4px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;font-size:12px;color:var(--text-secondary);min-width:140px;max-width:200px}
.api-model-display #chatApiModelName{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:#e4e7eb}
.project-status-bar{display:flex;align-items:center;gap:6px;padding:4px 0;font-size:11px;color:#666}
.project-status-bar .status-dot{width:6px;height:6px;border-radius:50%;background:#4a90d9}
.project-status-bar .status-dot.cloud{background:#4ade80}
/* 创建项目弹窗 */
.project-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;z-index:200;display:none}
.project-modal-overlay.show{display:flex}
.project-modal{background:#1a1d24;border:1px solid #2a2e37;border-radius:12px;padding:24px;width:440px;max-width:90vw}
.project-modal h3{margin:0 0 16px;color:#e4e7eb;font-size:16px}
.project-modal .form-group{margin-bottom:14px}
.project-modal label{display:block;font-size:12px;color:#9aa0a6;margin-bottom:6px}
.project-modal input{width:100%;background:#0f1115;border:1px solid #2a2e37;border-radius:8px;padding:10px 12px;color:#e4e7eb;font-size:13px;outline:none;box-sizing:border-box}
.project-modal input:focus{border-color:#4a90d9}
.project-modal .modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.project-modal .modal-actions button{padding:8px 18px;border-radius:8px;border:none;font-size:13px;cursor:pointer}
.project-modal .btn-cancel{background:#2a2e37;color:#9aa0a6}
.project-modal .btn-confirm{background:#4a90d9;color:#fff}
/* 模型下拉选项 */
.model-dropdown-panel{position:absolute;top:100%;left:0;right:0;max-height:320px;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border-color);border-radius:0 0 10px 10px;z-index:100;display:none;margin-top:-1px;box-shadow:0 8px 24px var(--shadow)}
.model-dropdown-panel.show{display:block}
.model-group-header{padding:8px 14px;font-size:10px;text-transform:uppercase;letter-spacing:0.8px;border-bottom:1px solid var(--border-color);font-weight:600}
.model-group-header.supported{color:#4ade80;border-bottom-color:rgba(74,222,128,0.2)}
.model-group-header.other{color:var(--text-muted);border-top:1px solid var(--border-color)}
.model-option{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;transition:background .15s;font-size:13px}
.model-option:hover{background:var(--bg-hover)}
.model-option.supported{background:rgba(74,222,128,0.05)}
.model-option.supported:hover{background:rgba(74,222,128,0.1)}
.model-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);flex-shrink:0;opacity:0.4}
.model-dot.supported{background:#4ade80;opacity:1;box-shadow:0 0 8px rgba(74,222,128,0.5)}
.model-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#e4e7eb;font-family:monospace;font-size:12.5px}
.model-option.supported .model-name{color:#e4e7eb;font-weight:500}
.model-option.active{background:var(--bg-active);border-left:2px solid var(--accent)}
.model-badge{font-size:10px;padding:3px 8px;border-radius:4px;background:rgba(74,222,128,0.12);color:#4ade80;flex-shrink:0;font-weight:500}
.model-loading{padding:20px;text-align:center;color:var(--text-muted);font-size:12px}
.model-loading .spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin 0.8s linear infinite;margin-right:8px;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.model-empty{padding:20px;text-align:center;color:var(--text-muted);font-size:12px}
/* 步骤完成进度环 */
.progress-ring-container{display:flex;align-items:center;gap:10px;padding:8px 12px}
.progress-ring{position:relative;width:48px;height:48px;flex-shrink:0}
.progress-ring svg{transform:rotate(-90deg)}
.progress-ring .ring-bg{fill:none;stroke:#1a1d24;stroke-width:4}
.progress-ring .ring-fill{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;transition:stroke-dashoffset .5s ease}
.progress-ring .ring-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:11px;font-weight:600;color:#e4e7eb}
.progress-ring-info{flex:1}
.progress-ring-info .ring-title{font-size:13px;font-weight:600;color:#e4e7eb}
.progress-ring-info .ring-desc{font-size:11px;color:var(--text-muted);margin-top:2px}
/* 工具参数预览 */
.tool-args-preview{font-size:11px;color:var(--text-muted);padding:4px 0;font-family:monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:300px}
.tool-args-preview .arg-key{color:#e5c07b}
.tool-args-preview .arg-value{color:#98c379}
/* 智能补全 */
.autocomplete-dropdown{position:absolute;bottom:calc(100% + 4px);left:0;right:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;box-shadow:0 8px 32px rgba(0,0,0,0.15);z-index:60;max-height:200px;overflow-y:auto;display:none}
.autocomplete-dropdown.show{display:block;animation:msg-fade-in .15s ease-out}
.autocomplete-item{padding:8px 12px;cursor:pointer;transition:background .1s;display:flex;align-items:center;gap:8px}
.autocomplete-item:hover,.autocomplete-item.active{background:var(--bg-hover)}
.autocomplete-item .ac-icon{font-size:14px;flex-shrink:0}
.autocomplete-item .ac-text{flex:1;font-size:13px;color:#e4e7eb;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.autocomplete-item .ac-source{font-size:10px;color:var(--text-muted);flex-shrink:0}
/* 错误诊断建议 */
.error-diagnosis{margin-top:8px;padding:10px 12px;background:rgba(231,76,60,0.08);border-left:3px solid var(--danger);border-radius:0 8px 8px 0}
.error-diagnosis .diag-title{font-size:11px;color:#e74c3c;font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:0.5px}
.error-diagnosis .diag-suggestion{font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:4px}
.error-diagnosis .diag-action{display:inline-block;margin-top:6px;padding:4px 10px;background:rgba(231,76,60,0.15);color:#e74c3c;border:none;border-radius:6px;font-size:11px;cursor:pointer;transition:background .15s}
.error-diagnosis .diag-action:hover{background:rgba(231,76,60,0.25)}
/* 成功率统计 */
.success-rate-display{display:flex;align-items:center;gap:8px}
.success-rate-bar{width:60px;height:6px;background:#1a1d24;border-radius:3px;overflow:hidden}
.success-rate-fill{height:100%;border-radius:3px;transition:width .3s ease}
.success-rate-text{font-size:11px;font-weight:600}
/* 引用跳转 */
.quote-jump{cursor:pointer;transition:background .15s}
.quote-jump:hover{background:rgba(74,144,217,0.1)}
.quote-jump.highlight{animation:quote-flash 1s ease}
@keyframes quote-flash{0%,100%{background:transparent}50%{background:rgba(74,144,217,0.2)}}
/* 对比度调节 */
.contrast-control{display:flex;align-items:center;gap:8px}
.contrast-slider{width:80px;height:4px;-webkit-appearance:none;background:#1a1d24;border-radius:2px;outline:none}
.contrast-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--accent);border-radius:50%;cursor:pointer}
.contrast-value{font-size:10px;color:var(--text-muted);min-width:30px}
/* 步骤自动编号 */
.step-number{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:#1a1d24;border:1px solid var(--border-color);border-radius:50%;font-size:10px;font-weight:600;color:var(--text-secondary);margin-right:8px;flex-shrink:0;transition:all .2s}
.step-card.current-step .step-number{background:var(--accent);border-color:var(--accent);color:#fff}
.step-card.completed .step-number{background:#2ecc71;border-color:#2ecc71;color:#fff}
.step-card.error .step-number{background:#e74c3c;border-color:#e74c3c;color:#fff}
/* 平均响应时间 */
.avg-response-display{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-muted)}
.avg-response-display .avg-value{font-weight:600;color:#e4e7eb}
/* 引用预览 */
.quote-preview{display:flex;align-items:flex-start;gap:8px;padding:8px 12px;background:#1a1d24;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;margin-bottom:8px;cursor:pointer;transition:background .15s}
.quote-preview:hover{background:var(--bg-hover)}
.quote-preview .quote-icon{font-size:14px;flex-shrink:0;margin-top:1px}
.quote-preview .quote-content{flex:1;min-width:0}
.quote-preview .quote-text{font-size:12px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.quote-preview .quote-meta{font-size:10px;color:var(--text-muted);margin-top:2px}
.quote-preview .quote-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;padding:2px 4px;flex-shrink:0}
.quote-preview .quote-close:hover{color:#e4e7eb}
/* 步骤连接线优化 */
#timeline{position:relative;padding-left:8px}
#timeline::before{content:'';position:absolute;left:18px;top:0;bottom:0;width:2px;background:var(--border-color);border-radius:1px}
#timeline .step-card{position:relative;margin-left:20px}
#timeline .step-card::before{content:'';position:absolute;left:-26px;top:16px;width:10px;height:10px;background:var(--bg-card);border:2px solid var(--border-color);border-radius:50%;z-index:1;transition:all .2s}
#timeline .step-card.current-step::before{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(74,144,217,0.2)}
#timeline .step-card.completed::before{background:#2ecc71;border-color:#2ecc71}
#timeline .step-card.error::before{background:#e74c3c;border-color:#e74c3c}
/* AI 生成内容标识 */
.ai-content-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:rgba(74,144,217,0.1);border:1px solid rgba(74,144,217,0.3);border-radius:10px;font-size:10px;color:var(--accent);margin-left:8px;vertical-align:middle}
/* 模型推荐 */
.model-recommendation{padding:10px 12px;background:rgba(46,204,113,0.08);border-left:3px solid #2ecc71;border-radius:0 8px 8px 0;margin-bottom:12px}
.model-recommendation .rec-title{font-size:11px;color:#2ecc71;font-weight:600;margin-bottom:4px}
.model-recommendation .rec-text{font-size:12px;color:var(--text-secondary);line-height:1.5}
.model-recommendation .rec-action{display:inline-block;margin-top:6px;padding:4px 10px;background:rgba(46,204,113,0.15);color:#2ecc71;border:none;border-radius:6px;font-size:11px;cursor:pointer;transition:background .15s}
.model-recommendation .rec-action:hover{background:rgba(46,204,113,0.25)}
/* 工具结果缓存标识 */
.cache-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 6px;background:rgba(245,166,35,0.1);border:1px solid rgba(245,166,35,0.3);border-radius:6px;font-size:10px;color:#f5a623;margin-left:6px}
/* 步骤时间戳 */
.step-timestamp{font-size:10px;color:var(--text-muted);margin-left:auto;flex-shrink:0;font-family:monospace}
/* 消息批量操作 */
.batch-select-bar{display:flex;align-items:center;gap:10px;padding:8px 16px;background:var(--bg-card);border-bottom:1px solid var(--border-color);display:none}
.batch-select-bar.show{display:flex}
.batch-select-bar .batch-info{font-size:12px;color:var(--text-secondary);flex:1}
.batch-select-bar .batch-btn{padding:4px 12px;background:#1a1d24;border:1px solid var(--border-color);border-radius:6px;font-size:11px;color:var(--text-secondary);cursor:pointer;transition:all .15s}
.batch-select-bar .batch-btn:hover{border-color:var(--accent);color:#e4e7eb}
.batch-select-bar .batch-btn.danger:hover{border-color:#e74c3c;color:#e74c3c}
.chat-msg.selectable{cursor:pointer}
.chat-msg.selected .chat-bubble{border-color:var(--accent);box-shadow:0 0 0 2px rgba(74,144,217,0.3)}
.chat-msg .select-checkbox{display:none;position:absolute;top:8px;left:8px;width:18px;height:18px;background:var(--bg-card);border:2px solid var(--border-color);border-radius:4px;z-index:10;align-items:center;justify-content:center;font-size:12px;color:var(--accent)}
.chat-msg.batch-mode .select-checkbox{display:flex}
.chat-msg.selected .select-checkbox{background:var(--accent);border-color:var(--accent);color:#fff}
/* 任务暂停/继续 */
.pause-task-btn{padding:4px 10px;background:rgba(245,166,35,0.1);border:1px solid rgba(245,166,35,0.3);border-radius:6px;font-size:11px;color:#f5a623;cursor:pointer;transition:all .15s;margin-left:6px}
.pause-task-btn:hover{background:rgba(245,166,35,0.2)}
.pause-task-btn.paused{background:rgba(46,204,113,0.1);border-color:rgba(46,204,113,0.3);color:#2ecc71}
/* 代码块运行按钮 */
.code-run-btn{padding:2px 8px;background:rgba(46,204,113,0.1);border:1px solid rgba(46,204,113,0.3);border-radius:4px;font-size:10px;color:#2ecc71;cursor:pointer;transition:all .15s;margin-right:6px}
.code-run-btn:hover{background:rgba(46,204,113,0.2)}
.code-run-btn.running{color:#f5a623;border-color:rgba(245,166,35,0.3);background:rgba(245,166,35,0.1)}
.code-output{margin-top:8px;padding:10px;background:#1a1d24;border-radius:6px;font-family:monospace;font-size:11px;color:var(--text-secondary);max-height:200px;overflow-y:auto;white-space:pre-wrap;display:none}
.code-output.show{display:block}
/* 工具参数编辑 */
.edit-args-btn{padding:2px 6px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:11px;transition:color .15s}
.edit-args-btn:hover{color:var(--accent)}
.args-edit-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:20px;z-index:1000;min-width:400px;max-width:90vw;box-shadow:0 16px 64px rgba(0,0,0,0.3)}
.args-edit-modal h4{margin:0 0 12px;font-size:14px;color:#e4e7eb}
.args-edit-modal textarea{width:100%;min-height:120px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;padding:10px;color:#e4e7eb;font-family:monospace;font-size:12px;resize:vertical}
.args-edit-modal .modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}
/* 完成统计图表 */
.completion-stats{display:flex;gap:16px;padding:12px;background:var(--bg-card);border-radius:10px;margin:8px 12px}
.completion-stat-item{flex:1;text-align:center}
.completion-stat-item .stat-number{font-size:24px;font-weight:700;color:var(--accent)}
.completion-stat-item .stat-label{font-size:11px;color:var(--text-muted);margin-top:4px}
.completion-stat-item.success .stat-number{color:#2ecc71}
.completion-stat-item.error .stat-number{color:#e74c3c}
.completion-stat-item.skipped .stat-number{color:var(--text-muted)}
/* 模型对比 */
.model-compare-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:12px}
.model-compare-table th{background:#1a1d24;padding:8px 10px;text-align:left;color:#e4e7eb;font-weight:600;border-bottom:2px solid var(--border-color)}
.model-compare-table td{padding:8px 10px;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}
.model-compare-table tr:hover td{background:var(--bg-hover)}
.model-compare-table .recommended{background:rgba(46,204,113,0.05)}
.model-compare-table .recommended td:first-child::before{content:'⭐ ';color:#f5a623}
/* 对话模式 */
.chat-session-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--border-color);background:#1a1d24;transition:background 0.3s ease,border-color 0.3s ease}
.chat-session-bar select{flex:1;background:#1a1d24;color:#e4e7eb;border:1px solid var(--border-color);border-radius:6px;padding:6px 10px;font-size:12px;outline:none}
.chat-session-bar select:focus{border-color:var(--accent)}
.new-chat-btn{background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer;white-space:nowrap;transition:all .2s}
.new-chat-btn:hover{background:var(--bg-active);color:#e4e7eb}
.new-chat-btn.btn-danger{color:var(--danger);border-color:var(--danger)}
.new-chat-btn.btn-danger:hover{background:var(--bg-hover);color:var(--danger)}
.new-chat-btn.btn-info{color:var(--accent);border-color:var(--accent)}
.new-chat-btn.btn-info:hover{background:var(--bg-hover);color:var(--accent)}
.chat-scroll-wrapper{
  flex: 1;
  position: relative;
  display: flex;
  min-height: 0;
  padding-right: 0;  /* 流星轨道在外面，不需要 padding */
  overflow: hidden;
}

/* 确保 panelChat 占满剩余空间 */
#panelChat {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

/* 缩小对话工具栏，给聊天区域更多空间 */
.chat-session-bar {
  padding: 8px 12px !important;
  flex-shrink: 0;
}

/* 缩小输入区域 */
.input-area {
  padding: 8px 0 12px !important;
  flex-shrink: 0;
}
.chat-messages{flex:1;overflow-y:auto;padding:16px 0 16px 0;scrollbar-width:none;-ms-overflow-style:none}
.chat-messages::-webkit-scrollbar{display:none}
/* 流星轨道 - 与 chat-scroll-wrapper 顶部和底部分别对齐 */
#panelChat {
  position: relative;
}

.meteor-track{
  position: absolute;
  right: -20px;
  /* 与 chat-scroll-wrapper 顶部和底部对齐 */
  top: 76px;  /* chat-session-bar (48px) + search-bar (40px) */
  bottom: 120px;  /* input-area 高度 */
  width: 20px;
  z-index: 20;
  cursor: pointer;
  border-radius: 10px;
}

.meteor-track:hover{
  background: rgba(255, 255, 255, 0.03);
}

/* 主题切换按钮 - 中心与流星轨道顶部重合 */
.meteor-track .theme-toggle {
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  z-index: 25;
  overflow: visible;
}
.meteor{position:absolute;left:50%;transform:translateX(-50%);width:20px;cursor:grab;user-select:none;transition:transform 0.2s ease}
.meteor:active{cursor:grabbing}
.meteor.meteor-down{transform:translateX(-50%) scaleY(-1)}
.meteor.meteor-up{transform:translateX(-50%) scaleY(1)}
.meteor-head{width:10px;height:10px;background:radial-gradient(circle,#fff 0%,#aaddff 50%,transparent 100%);border-radius:50%;box-shadow:0 0 10px 3px rgba(255,255,255,0.9),0 0 20px 6px rgba(100,180,255,0.6),0 0 30px 10px rgba(80,140,255,0.3);margin:0 auto;position:relative;z-index:2;animation:meteorPulse 2s ease-in-out infinite}
.meteor-tail{width:4px;height:50px;background:linear-gradient(to bottom,rgba(255,255,255,0.9) 0%,rgba(120,190,255,0.6) 30%,rgba(80,140,255,0.3) 60%,transparent 100%);margin:-4px auto 0;border-radius:0 0 3px 3px;animation:tailFlow 1.5s ease-in-out infinite}
@keyframes meteorPulse{0%,100%{box-shadow:0 0 10px 3px rgba(255,255,255,0.9),0 0 20px 6px rgba(100,180,255,0.6)}50%{box-shadow:0 0 14px 5px rgba(255,255,255,1),0 0 28px 10px rgba(100,180,255,0.8)}}
@keyframes tailFlow{0%,100%{opacity:0.7;height:45px}50%{opacity:1;height:55px}}
.chat-nav-buttons{display:none}

/* 旧的 fixed 定位样式不再使用 */
.theme-toggle{
  border-radius:50%;
  border:1px solid rgba(140,170,220,0.3);
  background:radial-gradient(circle at 40% 35%,rgba(20,30,60,0.95),rgba(8,12,28,0.98));
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all 0.4s cubic-bezier(0.4,0,0.2,1);
  padding:0;
  overflow:visible;
  backdrop-filter:blur(8px);
  opacity:1 !important;  /* 切换主题时不要半隐藏 */
}

/* 流星入月/出月动画 - 循环版 */
.theme-toggle.meteor-entering {
  animation: meteorIntoMoon 2s ease-in-out infinite;
}

.theme-toggle.meteor-leaving {
  animation: meteorOutOfMoon 0.8s ease-in forwards;
}

@keyframes meteorIntoMoon {
  0% {
    box-shadow: 0 0 0 0 rgba(200, 220, 255, 0);
  }
  50% {
    box-shadow: 0 0 30px 10px rgba(255, 252, 230, 0.4);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(200, 220, 255, 0);
  }
}

@keyframes meteorOutOfMoon {
  0% {
    box-shadow: 0 0 30px 10px rgba(255, 252, 230, 0.4);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(200, 220, 255, 0);
  }
}

/* 月亮被流星击中时的闪光 - 极淡 */
.theme-toggle.meteor-hit .moon::after {
  animation: moonFlash 1.5s ease-out;
}

@keyframes moonFlash {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
  }
}

/* 围绕月亮旋转的小流星 */
.orbiting-meteor {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px 2px rgba(200, 220, 255, 0.9), 0 0 15px 5px rgba(150, 180, 255, 0.5);
  top: 50%;
  left: 50%;
  margin: -3px 0 0 -3px;
  animation: orbitAroundMoon 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

/* 只有在触发动画时才显示 */
.theme-toggle.meteor-entering .orbiting-meteor,
.theme-toggle.meteor-leaving .orbiting-meteor {
  opacity: 1;
}

@keyframes orbitAroundMoon {
  0% {
    transform: rotate(0deg) translateX(26px) rotate(0deg);
  }
  100% {
    transform: rotate(360deg) translateX(26px) rotate(-360deg);
  }
}

.theme-toggle .moon{display:block;margin:0;flex-shrink:0}
.theme-toggle:hover{border-color:rgba(200,180,140,0.6);box-shadow:0 0 15px 4px rgba(200,170,100,0.3),0 0 30px 10px rgba(180,150,80,0.15);transform:scale(1.1)}
.theme-toggle:active{transform:scale(0.95)}
/* 登录状态按钮（header 内） */
.user-status-btn{display:flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:16px;border:1px solid var(--border-color);background:#1a1d24;cursor:pointer;transition:all 0.3s ease;color:#e4e7eb;font-size:13px}
.user-status-btn:hover{border-color:var(--accent);box-shadow:0 0 12px rgba(100,180,255,0.3);background:var(--bg-hover)}
.user-status-btn .avatar{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-hover));display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#fff;flex-shrink:0}
.user-status-btn .username{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-status-btn .status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 5px var(--success);flex-shrink:0}
/* 用户下拉菜单 */
.user-dropdown{position:fixed;top:56px;right:16px;z-index:2001;width:220px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 32px var(--shadow);backdrop-filter:blur(12px);overflow:hidden;display:none;animation:dropdownFade 0.2s ease}
.user-dropdown.show{display:block}
@keyframes dropdownFade{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.user-dropdown .dd-header{padding:14px 16px;border-bottom:1px solid var(--border-color)}
.user-dropdown .dd-header .dd-name{font-size:14px;font-weight:600;color:#e4e7eb;margin-bottom:2px}
.user-dropdown .dd-header .dd-email{font-size:12px;color:var(--text-secondary)}
.user-dropdown .dd-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background 0.2s;font-size:13px;color:var(--text-secondary)}
.user-dropdown .dd-item:hover{background:var(--bg-hover);color:#e4e7eb}
.user-dropdown .dd-item.logout{color:var(--danger);border-top:1px solid var(--border-color)}
.user-dropdown .dd-item.logout:hover{background:var(--bg-hover)}
/* 月相按钮：半月=夜空主题，满月=白天主题 */
.theme-toggle .moon{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#f5f3ce,#e8e4b8 60%,#d4cf9a);position:relative;box-shadow:0 0 10px rgba(255,250,200,0.5);transition:all 0.5s ease;overflow:hidden}
.theme-toggle .moon::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;border-radius:50%;background:rgba(8,12,28,0.85);transform:translateX(40%);transition:transform 0.5s ease}
.theme-toggle.day .moon{background:radial-gradient(circle at 40% 40%,#fff8dc,#ffef99 50%,#ffd700);box-shadow:0 0 18px rgba(255,215,0,0.6)}
.theme-toggle.day .moon::after{transform:translateX(100%)}
/* 单颗流星导航按钮 */
.meteor-nav-btn{position:absolute;left:50%;transform:translateX(-50%);width:40px;height:44px;border:none;background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:30;padding:0;opacity:0;transition:opacity 0.4s ease,transform 0.3s ease;pointer-events:none}
.meteor-nav-btn.visible{opacity:1;pointer-events:auto}
.meteor-nav-btn:hover{transform:translateX(-50%) scale(1.2)}
.meteor-nav-btn:active{transform:translateX(-50%) scale(0.85)}
.meteor-nav-btn.top-btn{top:76px}
.meteor-nav-btn.bottom-btn{bottom:120px}
/* 单颗流星 */
.mini-meteor{position:relative;width:8px;height:32px;display:block}
.mini-meteor .mini-head{position:absolute;top:0;left:50%;transform:translateX(-50%);width:8px;height:8px;border-radius:50%;background:radial-gradient(circle,#fff 0%,#aaddff 50%,transparent 100%);box-shadow:0 0 8px 3px rgba(255,255,255,0.8),0 0 16px 6px rgba(100,180,255,0.5);animation:meteorGlow 1.8s ease-in-out infinite}
.mini-meteor .mini-tail{position:absolute;top:7px;left:50%;transform:translateX(-50%);width:4px;height:24px;background:linear-gradient(to bottom,rgba(255,255,255,0.9) 0%,rgba(120,190,255,0.6) 40%,rgba(80,140,255,0.2) 80%,transparent 100%);border-radius:0 0 2px 2px}
/* 顶部按钮（上翻/上一个问题，往上翻）：流星向下飞，头部朝下引导视线往上 */
.meteor-nav-btn.top-btn .mini-meteor{transform:scaleY(1)}
/* 底部按钮（下翻/下一个问题，往下翻）：流星向上飞，头部朝上引导视线往下 */
.meteor-nav-btn.bottom-btn .mini-meteor{transform:scaleY(-1)}
@keyframes meteorGlow{0%,100%{opacity:0.75}50%{opacity:1;filter:brightness(1.4)}}
.meteor-nav-btn:disabled{opacity:0.2 !important;cursor:default;pointer-events:none}
/* Markdown渲染样式（聊天气泡内的内容样式） */
.chat-bubble p{margin:0 0 8px 0}
.chat-bubble p:last-child{margin-bottom:0}
.chat-bubble h1,.chat-bubble h2,.chat-bubble h3,.chat-bubble h4{margin:12px 0 6px 0;font-weight:600;line-height:1.4}
.chat-bubble h1{font-size:18px}
.chat-bubble h2{font-size:16px}
.chat-bubble h3{font-size:14px}
.chat-bubble h4{font-size:13px}
.chat-bubble ul,.chat-bubble ol{margin:6px 0;padding-left:20px}
.chat-bubble li{margin:2px 0}
.chat-bubble strong{font-weight:600}
.chat-bubble em{font-style:italic}
.chat-bubble a{color:var(--accent);text-decoration:underline;cursor:pointer}
.chat-bubble a:hover{opacity:0.8}
/* 行内代码 */
.chat-bubble code{background:#1a1d24;padding:2px 6px;border-radius:4px;font-family:monospace;font-size:12px;color:var(--accent);border:1px solid var(--border-color)}
/* 代码块 */
.chat-bubble pre{background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;padding:12px;overflow-x:auto;margin:8px 0;position:relative}
.chat-bubble pre code{background:none;border:none;padding:0;color:#e4e7eb;font-size:12px;line-height:1.6;white-space:pre}
.chat-bubble .code-lang{position:absolute;top:6px;right:10px;font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.chat-bubble .copy-code-btn{position:absolute;top:6px;right:60px;font-size:10px;padding:2px 8px;background:var(--bg-hover);border:1px solid var(--border-color);border-radius:4px;color:var(--text-secondary);cursor:pointer;opacity:0;transition:opacity .2s}
.chat-bubble pre:hover .copy-code-btn{opacity:1}
/* 代码高亮颜色 */
.chat-bubble .kw{color:#c678dd}
.chat-bubble .str{color:#98c379}
.chat-bubble .num{color:#d19a66}
.chat-bubble .cmt{color:#5c6370;font-style:italic}
.chat-bubble .fn{color:#61afef}
.chat-bubble .cls{color:#e5c07b}
.chat-bubble .op{color:#56b6c2}
/* 表格 */
.chat-bubble table{border-collapse:collapse;margin:8px 0;width:100%;font-size:12px;display:block;overflow-x:auto}
.chat-bubble th,.chat-bubble td{border:1px solid var(--border-color);padding:6px 10px;text-align:left}
.chat-bubble th{background:#1a1d24;font-weight:600;color:#e4e7eb}
.chat-bubble tr:nth-child(even){background:#1a1d24}
.chat-bubble blockquote{border-left:3px solid var(--accent);margin:8px 0;padding:4px 12px;color:var(--text-secondary);background:#1a1d24;border-radius:0 6px 6px 0}
.chat-bubble hr{border:none;border-top:1px solid var(--border-color);margin:12px 0}
/* 流式输出光标 */
.streaming-cursor{display:inline-block;width:2px;height:14px;background:var(--accent);margin-left:2px;vertical-align:text-bottom;animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
/* 推荐问题按钮 */
.suggested-questions{margin-top:8px;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.suggested-q-btn{display:flex;align-items:center;gap:8px;padding:8px 14px;background:#1a1d24;border:1px solid #2a2e37;border-radius:18px;color:#9aa0a6;font-size:12px;cursor:pointer;transition:all .2s;max-width:100%}
.suggested-q-btn:hover{border-color:#4a90d9;color:#e4e7eb;background:#1e2530}
.suggested-q-btn .sq-arrow{color:#4a90d9;font-size:11px;flex-shrink:0}
.chat-img{max-width:100%;max-height:300px;border-radius:8px;margin:4px;cursor:pointer;display:inline-block;vertical-align:top}
.chat-img-grid{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.chat-img-grid .chat-img{max-width:calc(50% - 3px);max-height:200px;object-fit:cover;margin:0}
.chat-typing{display:inline-flex;gap:4px;padding:10px 14px}
.chat-typing span{width:6px;height:6px;border-radius:50%;background:#666;animation:bounce 1.2s infinite}
.chat-typing span:nth-child(2){animation-delay:.15s}
.chat-typing span:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)}}
/* 工具库 */
.tool-library{flex:1;overflow-y:auto;padding:12px 0}
.tool-lib-header{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.tool-lib-header input{flex:1;min-width:200px;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;padding:8px 12px;color:#e4e7eb;font-size:13px;outline:none}
.tool-lib-header input:focus{border-color:var(--accent)}
.tool-lib-header select{background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;padding:8px 12px;color:#e4e7eb;font-size:13px;outline:none}
.tool-lib-header button{padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}
.tool-item-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;padding:14px;margin-bottom:10px;transition:border-color .2s,background 0.3s ease}
.tool-item-card:hover{border-color:var(--accent)}
.tool-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}
.tool-item-name{font-size:14px;font-weight:600;color:var(--accent)}
.tool-item-type{font-size:10px;padding:2px 8px;border-radius:10px;background:var(--bg-hover);color:var(--text-secondary)}
.tool-item-type.builtin{background:var(--bg-hover);color:var(--success)}
.tool-item-type.python{background:var(--bg-hover);color:#d4a017}
.tool-item-type.javascript{background:var(--bg-hover);color:var(--accent)}
.tool-item-desc{font-size:12px;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}
.tool-item-tags{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px}
.tool-tag{font-size:10px;padding:2px 8px;border-radius:8px;background:#232730;color:#888}
.tool-item-actions{display:flex;gap:8px}
.tool-action-btn{font-size:11px;padding:4px 10px;border-radius:6px;border:none;cursor:pointer;background:#2a2e37;color:#9aa0a6;transition:all .2s}
.tool-action-btn:hover{background:#3a4050;color:#fff}
.tool-action-btn.danger:hover{background:#e74c3c;color:#fff}
.tool-code-block{background:#15181d;padding:10px 12px;border-radius:6px;font-family:'SF Mono',Menlo,monospace;font-size:11px;color:#a8d8a8;margin-top:8px;max-height:200px;overflow-y:auto;white-space:pre-wrap;display:none}
.tool-code-block.show{display:block}
/* 历史记录 */
.history-subtabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--border-color);background:#1a1d24;transition:background 0.3s ease,border-color 0.3s ease}
.history-subtab{background:transparent;color:var(--text-secondary);border:none;border-radius:6px;padding:6px 14px;font-size:12px;cursor:pointer;transition:all .2s}
.history-subtab.active{background:var(--bg-active);color:#e4e7eb}
.history-subtab:hover{color:#e4e7eb}
.history-list{flex:1;overflow-y:auto;padding:12px 0}
.history-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;padding:14px;margin-bottom:10px;cursor:pointer;transition:border-color .2s,background 0.3s ease}
.history-item:hover{border-color:var(--accent)}
.history-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.history-task{font-size:13px;font-weight:500;color:#e4e7eb;flex:1;margin-right:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.history-status{font-size:10px;padding:2px 8px;border-radius:10px}
.history-status.completed{background:var(--bg-hover);color:var(--success)}
.history-status.running{background:var(--bg-hover);color:#d4a017}
.history-status.error,.history-status.cancelled{background:var(--bg-hover);color:var(--danger)}
.history-meta{font-size:11px;color:var(--text-muted);display:flex;gap:12px}
.history-result{font-size:12px;color:var(--text-secondary);margin-top:6px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.history-detail{flex:1;overflow-y:auto;padding:12px 0}
.history-back{font-size:12px;color:var(--accent);cursor:pointer;margin-bottom:12px;display:inline-block}
/* 底部 Tab */
/* 底部 Tab - 已移到侧边栏，隐藏 */
.tab-bar {
  display: none !important;
}
.tab-switch{display:flex;background:#1a1d24;border-radius:10px;padding:3px;gap:2px;transition:background 0.3s ease}
.tab-btn{padding:8px 24px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;border-radius:8px;cursor:pointer;transition:all .2s}
.tab-btn.active{background:var(--bg-active);color:#e4e7eb}
.tab-btn:hover:not(.active){color:#e4e7eb}
/* 模态框 */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:100;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal{background:var(--bg-card);border-radius:14px;padding:24px;max-width:600px;width:90%;max-height:85vh;overflow-y:auto;border:1px solid var(--border-color);box-shadow:0 12px 48px var(--shadow)}
.modal h3{font-size:17px;color:#e4e7eb;margin-bottom:16px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:5px;font-weight:500}
.form-group input,.form-group select,.form-group textarea{width:100%;background:#1a1d24;border:1px solid var(--border-color);border-radius:8px;padding:9px 12px;color:#e4e7eb;font-size:13px;outline:none;font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group textarea{font-family:'SF Mono',Menlo,monospace;font-size:12px;resize:vertical}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.modal-actions button{flex:1;padding:10px;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}
.modal-actions .btn-primary{background:var(--accent);color:#fff}
.modal-actions .btn-primary:hover{background:var(--accent-hover)}
.modal-actions .btn-secondary{background:var(--bg-hover);color:var(--text-secondary)}
.modal-actions .btn-secondary:hover{background:#3a4050}
.modal-actions .btn-danger{background:#e74c3c;color:#fff}
.empty-state{text-align:center;padding:40px 20px;color:#666;font-size:13px}

/* ============================================================
   骨架屏加载样式 (Skeleton Loading)
   ============================================================ */

.skeleton {
  background: linear-gradient(90deg, #1a1d24 25%, var(--bg-tertiary) 50%, #1a1d24 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton-title {
  height: 20px;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.skeleton-card {
  padding: 16px;
  border-radius: 8px;
  background: #161920;
}

.skeleton-line {
  height: 12px;
  margin-bottom: 10px;
  border-radius: 4px;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 90%; }

/* ===== 第一阶段：消息反馈/复制/账号状态 ===== */

/* 消息操作按钮增强 */
/* 消息内容区域 - 所有元素左对齐 */
.chat-msg {
  display: flex;
  flex-direction: column;
  align-items: flex-start;  /* 所有内容左对齐 */
}

.chat-msg .chat-bubble {
  max-width: 80%;
}

.msg-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  margin-left: 0;
  opacity: 1;
  transition: opacity 0.2s;
  justify-content: flex-start;
}

.suggested-questions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  align-items: flex-start;  /* 推荐问题左对齐 */
}

.suggested-refresh-btn {
  margin-top: 8px;
  align-self: flex-start;  /* 换一批按钮左对齐 */
}

/* 操作栏容器 - 把操作按钮和换一批按钮放同一行 */
.chat-msg .msg-actions,
.chat-msg .suggested-refresh-btn {
  display: inline-flex;
}

.chat-msg:has(.suggested-refresh-btn) .msg-actions {
  margin-top: 0;
}

/* 让换一批按钮和操作按钮在同一行 */
.chat-msg .suggested-refresh-btn {
  order: 2;
  margin-left: 8px;
}

.chat-msg .msg-actions {
  order: 1;
}
.msg-action-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  font-size: 11px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.msg-action-btn:hover {
  color: #e4e7eb;
  background: #1a1d24;
  border-color: var(--accent-color);
}
.msg-action-btn.active {
  color: #4ade80;
  border-color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
}
.msg-action-btn.active.negative {
  color: #f87171;
  border-color: #f87171;
  background: rgba(248, 113, 113, 0.1);
}

/* 停止生成按钮 */
.stop-gen-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 12px;
  color: #fff;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  animation: pulse-stop 1.5s infinite;
}
.stop-gen-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}
@keyframes pulse-stop {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* 账号状态卡片 */
.account-status-card {
  padding: 12px;
  background: #1a1d24;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}
.account-status-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.account-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
}
.account-info {
  flex: 1;
}
.account-name {
  font-size: 14px;
  font-weight: 600;
  color: #e4e7eb;
}
.account-vip-badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 10px;
  color: #fff;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 4px;
  margin-left: 6px;
}
.account-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.account-stat {
  padding: 8px;
  background: #161920;
  border-radius: 6px;
  text-align: center;
}
.account-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.account-stat-value {
  font-size: 14px;
  font-weight: 600;
  color: #e4e7eb;
}

/* ===== 第二阶段：推荐问题/压缩/分享/收藏/模型切换 ===== */

/* 推荐问题换一批按钮 */
.suggested-refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: auto;
}
.suggested-refresh-btn:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}
.suggested-refresh-btn.spinning {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 压缩状态指示器 */
.compression-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  color: #8b5cf6;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.compression-indicator:hover {
  background: rgba(139, 92, 246, 0.2);
}

/* 对话分享弹窗 */
.share-modal {
  max-width: 90vw;
  width: 420px;
}
.share-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}
.share-option-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px;
  font-size: 12px;
  color: #e4e7eb;
  background: #1a1d24;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.share-option-btn:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}
.share-option-icon {
  font-size: 24px;
}

/* 消息收藏 */
.msg-action-btn.favorite-btn.active {
  color: #f59e0b;
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}
.favorites-panel {
  max-height: 400px;
  overflow-y: auto;
}
.favorite-item {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background 0.2s;
}
.favorite-item:hover {
  background: #1a1d24;
}
.favorite-item-content {
  font-size: 12px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.favorite-item-meta {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 模型快速切换 */
.model-quick-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: #1a1d24;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.model-quick-switch:hover {
  border-color: var(--accent-color);
  color: #e4e7eb;
}
.model-dropdown-quick {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: #161920;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 1000;
  min-width: 200px;
  max-height: 300px;
  overflow-y: auto;
}
.model-dropdown-quick-item {
  padding: 8px 12px;
  font-size: 12px;
  color: #e4e7eb;
  cursor: pointer;
  transition: background 0.2s;
}
.model-dropdown-quick-item:hover {
  background: #1a1d24;
}
.model-dropdown-quick-item.support-tools {
  color: #4ade80;
}
.model-dropdown-quick-item.current {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-color);
}

/* ===== 第三阶段：引用回复/导入/视频进度/图片生成/语音可视化 ===== */

/* 消息引用回复 */
.reply-quote {
  padding: 8px 12px;
  margin-bottom: 8px;
  background: #1a1d24;
  border-left: 3px solid var(--accent-color);
  border-radius: 0 6px 6px 0;
  font-size: 12px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.reply-quote-author {
  font-weight: 600;
  color: var(--accent-color);
  margin-right: 6px;
}

/* 对话导入 */
.import-drop-zone {
  padding: 30px;
  text-align: center;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.import-drop-zone:hover, .import-drop-zone.dragover {
  border-color: var(--accent-color);
  background: rgba(59, 130, 246, 0.05);
}

/* 视频生成进度 */
.video-gen-progress {
  padding: 16px;
  background: #1a1d24;
  border-radius: 8px;
  text-align: center;
}
.video-gen-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 12px;
}
.video-gen-status {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.video-gen-time {
  font-size: 11px;
  color: var(--text-muted);
}

/* 图片生成入口 */
.image-gen-entry {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-muted);
  background: #1a1d24;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.image-gen-entry:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

/* 语音输入可视化 */
.voice-input-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.voice-input-panel {
  padding: 30px;
  background: #161920;
  border-radius: 16px;
  text-align: center;
  min-width: 300px;
}
.voice-waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 60px;
  margin: 20px 0;
}
.voice-wave-bar {
  width: 4px;
  background: linear-gradient(180deg, var(--accent-color), #8b5cf6);
  border-radius: 2px;
  animation: voice-wave 0.8s ease-in-out infinite;
}
@keyframes voice-wave {
  0%, 100% { height: 10px; }
  50% { height: 50px; }
}
.voice-status-text {
  font-size: 14px;
  color: #e4e7eb;
  margin-bottom: 8px;
}
.voice-result-text {
  font-size: 12px;
  color: var(--text-muted);
  min-height: 40px;
  padding: 8px;
  background: #1a1d24;
  border-radius: 6px;
  margin-bottom: 16px;
}

/* ===== 通用disabled状态 ===== */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== 通用focus状态（可访问性） ===== */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent, #3b82f6);
  outline-offset: 2px;
}

/* ===== 插件结果卡片 ===== */
.plugin-result-card {
  margin: 8px 0;
  padding: 10px 12px;
  background: #1a1d24;
  border-radius: 8px;
  border-left: 3px solid var(--accent-color, #3b82f6);
  animation: slideIn 0.3s ease;
}

/* ===== 对话分支标记 ===== */
.branch-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.branch-indicator:hover {
  background: rgba(139, 92, 246, 0.25);
}

/* ===== 自定义Agent面板 ===== */
.agent-config-panel {
  max-height: 70vh;
  overflow-y: auto;
}
.agent-config-item {
  margin-bottom: 12px;
}
.agent-config-item label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.agent-config-item textarea {
  width: 100%;
  min-height: 80px;
  padding: 8px;
  background: #1a1d24;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #e4e7eb;
  font-size: 13px;
  resize: vertical;
}

/* ===== Token统计图表 ===== */
.token-stats-container {
  padding: 12px;
  background: #1a1d24;
  border-radius: 8px;
  margin: 8px 0;
}
.token-stats-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 12px;
}
.token-stats-bar {
  height: 6px;
  background: #161920;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}
.token-stats-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* ===== 对话对比模式 ===== */
.compare-mode {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  height: 100%;
}
.compare-panel {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.compare-panel-header {
  padding: 8px 12px;
  background: #1a1d24;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.compare-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

/* ===== 快捷键提示 ===== */
.shortcut-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: #1a1d24;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
}
.shortcut-key {
  font-family: monospace;
  font-weight: 600;
  color: #e4e7eb;
}


/* ========== 新版偏好设置（右侧滑出，豆包风格） ========== */
.settings-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:none;z-index:2500;opacity:0;visibility:hidden;transition:all 0.3s ease}
.settings-modal-overlay.show{display:block;opacity:1;visibility:visible}
.settings-modal{position:absolute;top:0;right:0;width:100%;max-width:420px;height:100%;background:#f5f5f7;overflow:hidden;display:flex;flex-direction:column;transform:translateX(100%);transition:transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);box-shadow:none;border:none;border-radius:0}
.settings-modal-overlay.show .settings-modal{transform:translateX(0)}
.settings-header{display:flex;align-items:center;justify-content:center;padding:16px 20px;background:#fff;border-bottom:1px solid #e5e5ea;position:sticky;top:0;z-index:10}
.settings-header h3{margin:0;font-size:17px;font-weight:600;color:#000;display:flex;align-items:center;gap:10px}
.settings-header h3 .icon{display:none}
.settings-close-btn{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:32px;height:32px;border:none;background:#f0f0f5;border-radius:50%;cursor:pointer;color:#666;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .2s}
.settings-close-btn:hover{background:#e5e5ea}
.settings-body{flex:1;display:flex;overflow:hidden}
.settings-nav{display:none}
.settings-content{flex:1;padding:16px;overflow-y:auto;background:#f5f5f7}
.settings-section{display:none;animation:fadeIn .3s ease}
.settings-section.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.settings-card{background:#1a1d24;border:1px solid var(--border-color);border-radius:12px;padding:18px;margin-bottom:16px}
.settings-card-title{font-size:14px;font-weight:600;color:#e4e7eb;margin:0 0 4px;display:flex;align-items:center;gap:8px}
.settings-card-desc{font-size:12px;color:var(--text-muted);margin:0 0 16px}
.setting-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border-color)}
.setting-row:last-child{border-bottom:none;padding-bottom:0}
.setting-row:first-child{padding-top:0}
.setting-info{flex:1}
.setting-label{font-size:13px;color:#e4e7eb;font-weight:500;margin-bottom:2px}
.setting-desc{font-size:11px;color:var(--text-muted)}
.setting-control{display:flex;align-items:center;gap:12px}
/* 分段选择器 */
.segmented-control{display:inline-flex;background:var(--bg-tertiary);border-radius:8px;padding:3px;gap:2px}
.segmented-control button{padding:6px 14px;border:none;background:transparent;border-radius:6px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .2s}
.segmented-control button.active{background:#161920;color:#e4e7eb;box-shadow:0 1px 3px rgba(0,0,0,0.2)}
/* 滑块 */
.setting-slider{display:flex;align-items:center;gap:12px}
.setting-slider input[type=range]{width:160px;height:6px;-webkit-appearance:none;background:var(--bg-tertiary);border-radius:3px;outline:none}
.setting-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,0.3)}
.setting-slider-value{font-size:13px;color:#e4e7eb;font-weight:500;min-width:48px;text-align:center}
/* 开关 */
.toggle-switch{position:relative;width:44px;height:24px;background:var(--bg-tertiary);border-radius:12px;cursor:pointer;transition:background .3s;border:none}
.toggle-switch.on{background:var(--accent)}
.toggle-switch::after{content:'';position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .3s;box-shadow:0 1px 3px rgba(0,0,0,0.2)}
.toggle-switch.on::after{transform:translateX(20px)}
/* 快捷功能网格 */
.quick-actions-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.quick-action-item{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;background:#1a1d24;border:1px solid var(--border-color);border-radius:10px;cursor:pointer;transition:all .2s;text-align:center}
.quick-action-item:hover{border-color:var(--accent);background:var(--bg-tertiary);transform:translateY(-2px)}
.quick-action-item .qa-icon{font-size:24px}
.quick-action-item .qa-label{font-size:11px;color:var(--text-secondary)}
/* 账号状态卡片 */
.account-status-card{background:#1a1d24;border:1px solid var(--border-color);border-radius:12px;padding:18px}
.account-status-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-color);font-size:13px}
.account-status-row:last-child{border-bottom:none}
.account-status-row .label{color:var(--text-muted)}
.account-status-row .value{color:#e4e7eb;font-weight:500}
.account-status-row .value.online{color:#4ade80}
.account-status-row .value.offline{color:#f87171}
/* 关于页面 */
.about-logo{text-align:center;padding:24px 0}
.about-logo .logo-icon{font-size:48px;margin-bottom:12px}
.about-logo .app-name{font-size:20px;font-weight:700;color:#e4e7eb;margin-bottom:4px}
.about-logo .app-version{font-size:12px;color:var(--text-muted)}
.about-links{display:flex;gap:12px;justify-content:center;margin-top:16px}
.about-links a{color:var(--accent);font-size:12px;text-decoration:none}
.about-links a:hover{text-decoration:underline}


/* ===== 响应式布局优化 ===== */

/* 新版输入框设计 - 参考豆包移动端 */
.chat-input-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.chat-input-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-alpha, rgba(74, 144, 217, 0.2));
}

.chat-input-container .input-box {
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  padding: 4px;
  font-size: 15px;
  line-height: 1.5;
  color: #e4e7eb;
  min-height: 24px;
  max-height: 200px;
  width: 100%;
}

.chat-input-container .input-box::placeholder {
  color: var(--text-muted);
}

.input-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-btn {
  background: transparent;
  border: none;
  border-radius: 8px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.toolbar-btn:hover {
  background: var(--bg-hover);
  color: #e4e7eb;
}

.toolbar-btn.recording {
  background: #ef4444;
  color: #fff;
  animation: pulse 1.5s infinite;
}

.chat-input-container .send-btn {
  padding: 8px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
}

/* 平板尺寸 (1024px) */
@media (max-width: 1024px) {
  .main {
    max-width: 100%;
    padding: 0 16px;
  }
  
  .chat-bubble {
    max-width: 95%;
  }
  
  .model-dropdown-panel {
    max-height: 60vh;
  }
}

/* 小屏幕手机 (360px) */
@media (max-width: 360px) {
  .header {
    padding: 6px 8px !important;
  }
  
  .header .logo {
    font-size: 12px;
  }
  
  .tab-btn {
    font-size: 10px;
    padding: 5px 8px;
  }
  
  .chat-input-container {
    padding: 10px;
    border-radius: 12px;
  }
  
  .chat-input-container .input-box {
    font-size: 14px;
  }
  
  .toolbar-btn {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  
  .chat-input-container .send-btn {
    font-size: 13px;
    padding: 6px 16px;
  }
  
  .chat-bubble {
    font-size: 12px;
    padding: 10px;
  }
  
  .work-task-bar button,
  .project-btn {
    font-size: 10px;
    padding: 3px 6px;
  }
}

/* 横屏模式 (高度小于 500px) */
@media (max-height: 500px) and (orientation: landscape) {
  .header {
    padding: 4px 12px !important;
  }
  
  .tab-bar {
    padding: 4px 8px;
  }
  
  .input-area {
    padding: 8px 0 10px;
  }
  
  .chat-bubble {
    padding: 8px 12px;
  }
}

/* 媒体画廊响应式 */
@media (max-width: 768px) {
  .media-gallery-content {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    padding: 16px;
    gap: 12px;
  }
  
  .media-item img,
  .media-item video {
    height: 120px;
  }
}

@media (max-width: 480px) {
  .media-gallery-content {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    padding: 12px;
    gap: 8px;
  }
  
  .media-item img,
  .media-item video {
    height: 100px;
  }
  
  .media-gallery-header {
    padding: 12px 16px;
  }
  
  .media-gallery-title {
    font-size: 16px;
  }
}

/* 对话统计面板响应式 */
@media (max-width: 768px) {
  .project-modal {
    max-width: 95vw !important;
  }
}

/* 推荐问题按钮响应式 */
@media (max-width: 768px) {
  .suggested-q-btn {
    font-size: 11px;
    padding: 6px 12px;
  }
  
  .suggested-refresh-btn {
    font-size: 11px;
    padding: 6px 10px;
  }
}

/* 消息操作按钮响应式 */
@media (max-width: 768px) {
  .msg-action-btn {
    max-width: 20px;
    height: 20px;
    font-size: 11px;
  }
  
  .msg-action-btn:hover {
    max-width: 100px;
  }
}

/* 滚动条优化 - 移动端 */
@media (max-width: 768px) {
  ::-webkit-scrollbar {
    width: 6px;
  }
  
  ::-webkit-scrollbar-thumb {
    border-radius: 3px;
  }
}

/* 暗色/亮色主题自动切换（基于系统偏好） */
@media (prefers-color-scheme: light) {
  /* 仅在用户未手动设置主题时生效 */
  body:not([data-theme]) {
    /* 这里可以添加亮色主题的默认样式 */
  }
}

/* SVG 图标系统 */
.icon {
    display: inline-block;
    vertical-align: middle;
    stroke-width: 2;
    transition: all 0.2s ease;
}

.btn-icon .icon {
    width: 16px;
    height: 16px;
}

/* SVG 图标样式 - 使用 currentColor 自动适配主题 */
.icon-container {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    margin: 0 2px;
}

.icon-container .icon {
    width: 1em;
    height: 1em;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* 确保按钮中的图标大小合适 */
.btn-icon .icon {
    width: 16px;
    height: 16px;
}

/* 侧边栏图标 */
.sidebar-nav-icon .icon,
.sidebar-tab .icon {
    width: 18px;
    height: 18px;
}

/* ===== Dual iframe 模式 ===== */
body.dual-iframe-mode {
  overflow: hidden;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

body.dual-iframe-mode .main {
  padding-top: 0;
  padding-bottom: 0;
  height: 100%;
  overflow: hidden;
}

body.dual-iframe-mode .panel {
  height: 100%;
  overflow: hidden;
}

body.dual-iframe-mode #panelChat {
  height: 100%;
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

body.dual-iframe-mode .chat-messages {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
  /* 给底部输入框留出空间 */
  padding-bottom: 150px;
}

body.dual-iframe-mode .input-area {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-color, #0f172a);
  z-index: 100;
  padding: 10px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== 双智能体协作页面（响应式）===== */
#panelDual {
  background: #0f172a;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
}

/* 左侧控制栏 */
.dual-top-bar {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: absolute;
  left: 0;
  top: 0;
  width: 260px;
}

.dual-top-bar-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.dual-top-bar-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
  width: 100%;
}

.dual-control-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.dual-control-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.dual-control-btn.secondary {
  background: rgba(255, 255, 255, 0.1);
}

.dual-mini-select {
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 14px;
}

/* 任务主题输入 */
.dual-topic-bar {
  padding: 16px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  position: absolute;
  left: 0;
  top: 280px; /* 控制栏高度大概 280px */
  width: 260px;
  bottom: 0;
  overflow-y: auto;
}

.dual-topic-input {
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 14px;
}

.dual-topic-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* 双对话布局 */
.dual-chat-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
  margin-left: 260px; /* 左侧边栏宽度 */
  height: 100%;
}

.dual-chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dual-chat-panel:first-child {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* iframe 样式 */
.dual-chat-iframe {
  flex: 1;
  width: 100%;
  height: 100%;
  border: none;
  background: #0f172a;
}

/* 对话面板头部 */
.dual-chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dual-role-badge {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
}

.dual-role-badge.proposer {
  background: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}

.dual-role-badge.critic {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
}

.dual-role-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* 对话消息区 */
.dual-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.dual-chat-empty {
  text-align: center;
  padding: 40px 20px;
  color: rgba(255, 255, 255, 0.3);
  font-size: 14px;
}

/* 对话输入区 */
.dual-chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dual-chat-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 14px;
}

.dual-chat-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.dual-chat-send-btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

/* ChatSession 组件样式 */
.chat-session-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.chat-msg {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.chat-msg.user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.chat-content {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 14px;
  line-height: 1.6;
}

.chat-msg.user .chat-content {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 14px;
}

.chat-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.chat-send-btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .dual-chat-layout {
    flex-direction: column;
  }
  
  .dual-chat-panel:first-child {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .dual-top-bar {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  
  .dual-top-bar-actions {
    flex-wrap: wrap;
  }
}