/**
 * main.css - 主样式文件
 * 全局样式、CSS 变量、布局框架
 */

/* ===== CSS 变量 ===== */
:root {
  /* 颜色 - Style B: Modern SaaS */
  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-secondary: #64748b;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* 紫色专用 */
  --purple-light: #f5f3ff;
  --primary-gradient: linear-gradient(135deg, #7c3aed, #6366f1);

  /* 背景色 */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --bg-dark: #1e293b;

  /* 文字色 */
  --text-primary: #1a1a1a;
  --text-secondary: #64748b;
  --text-muted: #737373;
  --text-inverse: #ffffff;

  /* 代码/终端颜色 (亮色主题 - 浅色背景) */
  --code-bg: #f8fafc;
  --code-text: #1e293b;
  --code-header-bg: #f3f4f6;
  --terminal-bg: #f1f5f9;
  --terminal-header-bg: #e2e8f0;
  --terminal-border: #d1d5db;
  --terminal-text: #334155;
  --terminal-text-muted: #64748b;

  /* 边框 */
  --border-color: #e5e5e5;
  --border-radius: 8px;
  --border-radius-lg: 12px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

  /* 尺寸 */
  --header-height: 56px;
  --sidebar-width: 280px;
  --status-bar-height: 32px;

  /* 字体 */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  --font-family-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;

  /* 动画 */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* ===== 暗色主题 ===== */
[data-theme="dark"] {
  /* 颜色 */
  --color-primary: #a78bfa;
  --color-primary-hover: #8b5cf6;
  --purple-light: rgba(167, 139, 250, 0.15);
  --primary-gradient: linear-gradient(135deg, #a78bfa, #818cf8);

  /* 背景色 */
  --bg-primary: #1e293b;
  --bg-secondary: #0f172a;
  --bg-tertiary: #334155;
  --bg-dark: #0f172a;

  /* 文字色 */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #1e293b;

  /* 代码/终端颜色 (暗色主题) */
  --code-bg: #1e293b;
  --code-text: #e2e8f0;
  --code-header-bg: #334155;
  --terminal-bg: #1e293b;
  --terminal-header-bg: #2d2d2d;
  --terminal-border: #404040;
  --terminal-text: #e2e8f0;
  --terminal-text-muted: #888888;

  /* 边框 */
  --border-color: #475569;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* 暗色主题下的加载遮罩 */
[data-theme="dark"] .loading-overlay {
  background-color: rgba(15, 23, 42, 0.8);
}

/* 暗色主题下的滚动条 */
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background-color: #475569;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background-color: #64748b;
}

/* ===== Lucide 图标默认尺寸 ===== */
.activity-icon i[data-lucide],
.activity-icon svg {
  width: 20px;
  height: 20px;
}

.tab-icon i[data-lucide],
.tab-icon svg {
  width: 14px;
  height: 14px;
}

.section-icon i[data-lucide],
.section-icon svg {
  width: 14px;
  height: 14px;
}

.btn-icon i[data-lucide],
.btn-icon svg {
  width: 18px;
  height: 18px;
}

.mode-icon i[data-lucide],
.mode-icon svg {
  width: 14px;
  height: 14px;
}

.global-stat-item i[data-lucide],
.global-stat-item svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
}

.permission-indicator-icon i[data-lucide],
.permission-indicator-icon svg {
  width: 14px;
  height: 14px;
}

.progress-title i[data-lucide],
.progress-title svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
}

.allowed-intro i[data-lucide],
.allowed-intro svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
}

.project-guide-card i[data-lucide],
.project-guide-card svg {
  width: 20px;
  height: 20px;
  vertical-align: -4px;
}

.agent-mode-option i[data-lucide],
.agent-mode-option svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
}

.preview-back-btn i[data-lucide],
.preview-back-btn svg,
.terminal-tab-refresh i[data-lucide],
.terminal-tab-refresh svg {
  width: 16px;
  height: 16px;
}

.preview-tab i[data-lucide],
.preview-tab svg {
  width: 14px;
  height: 14px;
}

/* Status Dot (online/offline indicator) */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #22c55e;
}

.status-dot.online {
  background-color: #22c55e;
}

.status-dot.offline {
  background-color: #ef4444;
}

/* Session item folder/actions button SVG */
.session-item-folder svg,
.session-item-actions svg {
  width: 14px;
  height: 14px;
}

/* Project source tab SVG */
.project-source-tab svg {
  width: 16px;
  height: 16px;
}

/* Context icon SVG */
.context-icon svg {
  width: 14px;
  height: 14px;
}

/* Project tree icon SVG */
.project-tree-icon svg {
  width: 16px;
  height: 16px;
}

/* Project tree enter button SVG */
.project-tree-enter svg {
  width: 14px;
  height: 14px;
}

/* Agent status icon SVG */
.agent-status-icon svg {
  width: 14px;
  height: 14px;
}

/* ===== 全局重置 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== App 容器 ===== */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ===== Header ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 16px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  flex-shrink: 0;
  z-index: 100;
}

.header-left, .header-center, .header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-left {
  flex: 0 0 auto;
  gap: 16px;
}

.header-center {
  flex: 1;
  justify-content: center;
}

.header-right {
  flex: 0 0 auto;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-icon {
  height: 28px;
  width: auto;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.project-name {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.project-name.clickable {
  cursor: pointer;
  padding: 4px 12px;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.project-name.clickable:hover {
  background-color: var(--bg-tertiary);
}

/* ===== Main Mode Tabs ===== */
.main-mode-tabs {
  display: flex;
  background-color: var(--bg-tertiary);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.main-mode-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: none;
  border-radius: 999px;
  background-color: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.main-mode-tab:hover {
  color: var(--text-primary);
  background-color: #ebebeb;
}

.main-mode-tab.active {
  background-color: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: 0 1px 4px rgba(124, 58, 237, 0.3);
}

.main-mode-tab .tab-icon {
  font-size: 14px;
}

.main-mode-tab .tab-label {
  font-weight: 500;
}

/* ===== Context Indicator ===== */
.context-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--purple-light);
  color: var(--color-primary);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition-fast);
  max-width: 600px;
  font-weight: 500;
}

.context-indicator:hover {
  background-color: rgba(124, 58, 237, 0.12);
  color: var(--color-primary);
}

/* 锁定状态：已有 session 时不可更改 */
.context-indicator.context-locked {
  cursor: not-allowed;
  opacity: 0.8;
}

.context-indicator.context-locked:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
}

.context-icon {
  font-size: 14px;
  flex-shrink: 0;
}

.context-path {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.context-env {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding-left: 8px;
  border-left: 1px solid var(--border-color);
}

.context-env:empty {
  display: none;
}

.context-arrow {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* Context Dropdown */
.context-dropdown {
  display: none;
  position: absolute;
  top: calc(var(--header-height) - 4px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 300px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  padding: 12px 0;
}

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

.context-section {
  padding: 8px 16px;
}

.context-section + .context-section {
  border-top: 1px solid var(--border-color);
  margin-top: 8px;
  padding-top: 16px;
}

.context-section-title {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.context-project {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
}

.context-project:hover {
  background-color: var(--bg-secondary);
}

.context-change {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.context-env-options {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.context-env-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.context-env-option:hover {
  background-color: var(--bg-tertiary);
}

.context-env-option input[type="radio"] {
  accent-color: var(--color-primary);
}

.context-env-divider {
  font-size: 11px;
  color: var(--text-secondary);
  padding: 8px 12px 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}

.model-selector {
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.model-selector:hover {
  border-color: #d4d4d4;
  background-color: var(--bg-secondary);
}

/* 新模型选项高亮 */
.model-selector option[value="claude-opus-4-6"] {
  color: #ea580c;
  font-weight: 600;
}

/* ===== Mode Switcher ===== */
.mode-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.mode-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.mode-indicator:hover {
  background-color: var(--bg-secondary);
  border-color: var(--color-primary);
}

.mode-indicator .mode-icon {
  font-size: 14px;
}

.mode-indicator .mode-label {
  font-weight: 500;
}

.mode-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  min-width: 200px;
  overflow: hidden;
}

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

.mode-option {
  display: block;
  width: 100%;
  padding: 10px 14px;
  text-align: left;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background-color: transparent;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s;
}

.mode-option:hover {
  background-color: var(--bg-tertiary);
}

.mode-option:active {
  background-color: var(--bg-secondary);
}

/* ===== Main Container ===== */
.main-container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== Sidebar ===== */
.sidebar {
  position: relative;  /* 用于折叠控制条的绝对定位 */
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: row;  /* 改为水平布局：活动栏 + 侧边栏内容 */
  flex-shrink: 0;
  transition: width 0.3s ease, min-width 0.3s ease;
  overflow: hidden;
}

.sidebar.collapsed {
  width: 52px;
  min-width: 52px;
}

/* ===== Activity Bar (活动栏) ===== */
.activity-bar {
  width: 52px;
  min-width: 52px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-shrink: 0;
}

.activity-bar-top,
.activity-bar-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0;
  gap: 4px;
}

.activity-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.activity-btn:hover {
  color: var(--color-primary);
  background: var(--purple-light);
}

.activity-btn.active {
  color: var(--color-primary);
  background: var(--purple-light);
}

.activity-icon {
  font-size: 20px;
}

/* 折叠状态：隐藏侧边栏内容，只显示活动栏 */
.sidebar.collapsed .sidebar-content {
  display: none;
}

.sidebar.collapsed .activity-bar {
  border-right: none;  /* 折叠时活动栏不需要右边框 */
}

/* ===== 侧栏折叠控制条 ===== */
.sidebar-collapse-bar {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: all 0.15s;
}

.sidebar-collapse-bar::before {
  content: '';
  position: absolute;
  right: 1px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 32px;
  background: var(--border-color);
  border-radius: 2px;
  opacity: 0.4;  /* 默认显示淡淡的指示条 */
  transition: opacity 0.15s, background 0.15s;
}

.sidebar-collapse-bar:hover {
  background: rgba(124, 58, 237, 0.08);
}

.sidebar-collapse-bar:hover::before {
  opacity: 1;
  background: var(--color-primary);
}

.collapse-bar-icon {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: bold;
  opacity: 0.5;  /* 默认显示淡淡的图标 */
  transition: opacity 0.15s, color 0.15s;
  user-select: none;
}

.sidebar-collapse-bar:hover .collapse-bar-icon {
  opacity: 1;
  color: var(--color-primary);
}

/* 折叠状态 */
.sidebar.collapsed .sidebar-collapse-bar {
  width: 10px;
  right: 0;
  background: var(--bg-tertiary);
}

.sidebar.collapsed .sidebar-collapse-bar::before {
  opacity: 1;
  width: 4px;
  height: 28px;
  right: 3px;
}

.sidebar.collapsed .sidebar-collapse-bar:hover {
  background: var(--color-primary);
}

.sidebar.collapsed .sidebar-collapse-bar:hover::before {
  background: white;
}

.sidebar.collapsed .collapse-bar-icon {
  transform: rotate(180deg);
}

/* ===== Agent 模式下隐藏活动栏 ===== */
body.mode-agent .activity-bar {
  display: none;
}

/* Agent 模式下侧边栏无左边距（活动栏隐藏后） */
body.mode-agent .sidebar-content {
  border-left: none;
}

/* Edit 模式下确保活动栏显示 */
body.mode-edit .activity-bar {
  display: flex;
}

/* 窄条按钮样式 */
.sidebar-icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  cursor: pointer;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-icon-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

/* 侧边栏内容区 */
.sidebar-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-width: 0;  /* 防止 flex 子项溢出 */
}

/* 侧边栏标签 */
.sidebar-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
}

.sidebar-tab {
  padding: 6px 14px;
  border: none;
  background: none;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 999px;
  transition: all var(--transition-fast);
}

.sidebar-tab:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.sidebar-tab.active {
  background-color: var(--color-primary);
  color: white;
}

.sidebar-tabs .sidebar-toggle {
  margin-left: auto;
}

/* 侧边栏视图 */
.sidebar-view {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: visible;
  min-height: 0;
}

.sidebar-view.active {
  display: flex;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 10;
  overflow: visible;
}

.ft-path-display {
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.session-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 12px 8px;
  min-height: 0;
}

.session-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.session-item {
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: 8px;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.session-item:hover {
  background-color: var(--bg-primary);
}

.session-item.active {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-left: 3px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Session 状态底色 - 运行中（紫色呼吸） */
.session-item.session-running {
  animation: breathe-running 2.5s ease-in-out infinite;
}
.session-item.session-running:hover {
  animation: none;
  background-color: rgba(124, 58, 237, 0.18);
}

@keyframes breathe-running {
  0%, 100% { background-color: rgba(124, 58, 237, 0.06); }
  50%      { background-color: rgba(124, 58, 237, 0.16); }
}

/* Session 状态底色 - 等待授权（琥珀色呼吸） */
.session-item.session-waiting {
  animation: breathe-waiting 2.5s ease-in-out infinite;
}
.session-item.session-waiting:hover {
  animation: none;
  background-color: rgba(245, 158, 11, 0.2);
}

@keyframes breathe-waiting {
  0%, 100% { background-color: rgba(245, 158, 11, 0.06); }
  50%      { background-color: rgba(245, 158, 11, 0.18); }
}

/* 选中态 + 状态色叠加：保留左边框，背景透明让呼吸动画透出 */
.session-item.active.session-running {
  border-left: 3px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.session-item.active.session-waiting {
  border-left: 3px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.session-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.session-item-title {
  font-weight: 500;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.session-item-meta {
  font-size: var(--font-size-sm);
  opacity: 0.7;
}

.session-item-btns {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.session-item-folder,
.session-item-actions {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
  font-size: 14px;
  color: inherit;
}

.session-item:hover .session-item-folder,
.session-item:hover .session-item-actions {
  opacity: 1;
}

.session-item-folder:hover,
.session-item-actions:hover {
  background-color: var(--purple-light);
  color: var(--color-primary);
}

.session-item.active .session-item-folder:hover,
.session-item.active .session-item-actions:hover {
  background-color: var(--purple-light);
  color: var(--color-primary);
}

/* 文件树返回按钮 */
.ft-back-btn {
  display: none;
  margin-right: 8px;
  padding: 4px 8px;
  font-size: 12px;
}

/* Session Menu */
.session-menu {
  display: none;
  position: absolute;
  right: 8px;
  top: 100%;
  margin-top: 4px;
  min-width: 100px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  z-index: 100;
  overflow: hidden;
}

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

.session-menu-item {
  padding: 8px 12px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.session-menu-item:hover {
  background-color: var(--bg-tertiary);
}

.session-menu-item-danger {
  color: var(--color-error);
}

.session-menu-item-danger:hover {
  background-color: rgba(239, 68, 68, 0.1);
}

/* 使 session-item 相对定位以便菜单定位 */
.session-item {
  position: relative;
}

/* ===== Chat Area ===== */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-primary);
}

/* ===== Buttons ===== */
.btn-primary {
  padding: 8px 20px;
  background: var(--primary-gradient);
  color: var(--text-inverse);
  border: none;
  border-radius: 999px;
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  padding: 8px 20px;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--border-color);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-danger {
  padding: 8px 20px;
  background-color: var(--color-error);
  color: var(--text-inverse);
  border: none;
  border-radius: 999px;
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--purple-light);
  color: var(--color-primary);
}

/* Settings button badge (red dot for outdated devices) */
.settings-btn-wrapper {
  position: relative;
}

.settings-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background-color: #dc2626;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  pointer-events: none;
}

.btn-sm {
  padding: 4px 10px;
  font-size: var(--font-size-sm);
}

/* ===== Fork Dropdown ===== */
.fork-dropdown {
  position: relative;
}

.fork-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -120px;
  margin-top: 4px;
  width: 260px;
  max-width: 260px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

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

.fork-menu-header {
  padding: 10px 12px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.fork-session-list {
  max-height: 200px;
  overflow-y: auto;
}

.fork-session-item {
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-fast);
  overflow: hidden;
}

.fork-session-item:hover {
  background: var(--bg-tertiary);
}

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

.fork-session-title {
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.fork-session-id {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-family-mono);
}

.fork-session-empty {
  padding: 16px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

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

.fork-manual-input {
  padding: 10px 12px;
}

.fork-manual-input label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.fork-input-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.fork-input-row input {
  flex: 1;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 12px;
  font-family: var(--font-family-mono);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.fork-input-row button {
  flex-shrink: 0;
}

.fork-input-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* 导入外部会话区块 */
.fork-import-section {
  padding: 10px 12px;
  background: var(--bg-secondary);
  border-radius: 0 0 12px 12px;
}

.fork-import-section label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.fork-import-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header .header-text {
  flex: 1;
}

/* ===== 权限对话框倒计时 ===== */
.permission-countdown {
  font-size: 12px;
  font-weight: normal;
  color: var(--text-secondary);
  padding: 2px 10px;
  background-color: var(--bg-tertiary);
  border-radius: 999px;
  margin-left: 12px;
}

.permission-countdown.warning {
  color: var(--color-warning);
  background-color: rgba(245, 158, 11, 0.1);
  animation: countdown-pulse 1s ease-in-out infinite;
}

@keyframes countdown-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.permission-dialog.timeout-warning {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

.permission-dialog.timed-out {
  border-color: var(--color-error);
}

.permission-dialog.timed-out .modal-body {
  opacity: 0.6;
  pointer-events: none;
}

.timeout-message {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  color: var(--color-error);
  font-size: 14px;
}

.timeout-message .timeout-icon {
  font-size: 18px;
  display: inline-flex;
  align-items: center;
}

.timeout-message .timeout-icon svg {
  width: 18px;
  height: 18px;
}

/* ===== 非阻塞权限面板 ===== */
.permission-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 420px;
  max-width: calc(100vw - 40px);
  max-height: 60vh;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.permission-panel.show {
  display: flex;
  animation: panel-slide-in 0.3s ease;
}

.permission-panel.minimized {
  transform: translateY(calc(100% - 44px));
}

.permission-panel.minimized .permission-panel-body {
  display: none;
}

@keyframes panel-slide-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.permission-panel-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
}

.permission-panel-header .header-text {
  flex: 1;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.permission-panel-header .header-text svg,
.modal-header .header-text svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.permission-panel-minimize {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  border-radius: 8px;
  transition: background-color 0.2s;
}

.permission-panel-minimize:hover {
  background-color: var(--bg-tertiary);
}

.permission-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Session permission badge */
.permission-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin-left: 6px;
  background-color: var(--color-warning);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 9px;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 面板内部权限请求区块复用 permission-section 样式 */
.permission-panel .permission-section {
  margin-bottom: 16px;
}

.permission-panel .permission-section:last-child {
  margin-bottom: 0;
}

.permission-panel .permission-section-header {
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.permission-panel .permission-section-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

/* 面板内的问卷区块 */
.permission-panel .question-section {
  margin-bottom: 16px;
}

.permission-panel .question-section-header {
  font-weight: 600;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.permission-panel .question-section-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  animation: toast-in 0.3s ease;
}

.toast.toast-success {
  background-color: var(--color-success);
}

.toast.toast-error {
  background-color: var(--color-error);
}

.toast.toast-warning {
  background-color: var(--color-warning);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== Loading ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

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

::-webkit-scrollbar-thumb {
  background-color: #d4d4d4;
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-muted);
}

/* ===== 主模式布局 ===== */

/**
 * Agent 模式布局:
 * - 侧边栏：固定宽度
 * - 编辑器/预览区：60%
 * - 聊天面板：40%
 */
body.mode-agent .panels-area.show {
  width: 60%;
  min-width: 400px;
}

/* 默认: chat-area 占满剩余空间 */
body.mode-agent .chat-area {
  flex: 1;
  min-width: 350px;
}

/* 当 panels-area 显示时: chat-area 固定 40% */
body.mode-agent .panels-area.show ~ .chat-area {
  flex: 0 0 40%;
}

/**
 * 编辑模式布局:
 * - 侧边栏：固定宽度
 * - 编辑器区：75%
 * - AI 助手面板：25%
 */
body.mode-edit .panels-area.show {
  width: 75%;
  min-width: 500px;
}

body.mode-edit .chat-area {
  flex: 0 0 25%;
  min-width: 280px;
}

/* 编辑模式下隐藏完整的聊天面板，显示 AI 助手面板 */
body.mode-edit .chat-area .message-list {
  display: none;
}

body.mode-edit .chat-area .input-area {
  display: none;
}

body.mode-edit .chat-area .status-bar {
  display: none;
}

/* ===== 项目选择引导卡片 ===== */
.context-path.no-project {
  color: var(--color-primary);
  font-weight: 500;
  cursor: pointer;
}

.project-guide-card {
  background: var(--primary-gradient);
  color: white;
  padding: 20px 24px;
  border-radius: var(--border-radius-lg);
  margin: 20px auto;
  max-width: 400px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}

.project-guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.project-guide-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
}

.project-guide-card p {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}

/* ===== 项目选择器 Modal ===== */
.project-selector-modal .modal-content {
  width: 600px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.project-selector-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  overflow: hidden;
}

/* 数据源选择 Tab */
.project-source-tabs {
  display: flex;
  gap: 8px;
  padding: 4px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
}

.project-source-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  background: transparent;
  border-radius: calc(var(--border-radius) - 2px);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.project-source-tab:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.project-source-tab.active {
  color: var(--text-primary);
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

/* 容器选择器 */
.project-container-select {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
}

.project-container-select label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.project-container-select select {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

/* 本地代理/设备选择器 */
.project-agent-select {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  overflow: hidden;
}

.project-device-section {
  display: flex;
  flex-direction: column;
}

.project-device-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.project-device-title .btn-icon-sm {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  transition: background-color 0.2s;
}

.btn-icon-sm svg {
  width: 14px;
  height: 14px;
}

.project-device-title .btn-icon-sm:hover {
  background-color: var(--bg-secondary);
}

.project-device-list {
  display: flex;
  flex-direction: column;
  max-height: 200px;
  overflow-y: auto;
}

.project-device-loading,
.project-device-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.project-device-empty p {
  margin: 0 0 8px 0;
}

/* 设备项 */
.project-device-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: background-color 0.15s;
  border-bottom: 1px solid var(--border-color);
}

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

.project-device-item:hover {
  background-color: var(--bg-secondary);
}

.project-device-item.selected {
  background-color: rgba(124, 58, 237, 0.1);
  border-left: 3px solid var(--color-primary);
  padding-left: 11px;
}

.project-device-item.offline {
  opacity: 0.65;
}

.project-device-item.offline:hover {
  opacity: 0.8;
}

.project-device-icon {
  font-size: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-device-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.project-device-info {
  flex: 1;
  min-width: 0;
}

.project-device-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-device-meta {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Device version display */
.device-version {
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-left: 4px;
}

.device-version::before {
  content: '|';
  margin-right: 4px;
  color: var(--border-color);
}

/* Outdated device warning */
.device-outdated-warning {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  padding: 3px 8px;
  background-color: rgba(245, 158, 11, 0.12);
  border-radius: 8px;
  font-size: 11px;
  color: #b45309;
}

.device-outdated-warning .outdated-icon {
  color: #d97706;
  font-size: 12px;
}

.btn-copy-upgrade {
  margin-left: auto;
  padding: 2px 8px;
  font-size: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-copy-upgrade:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 状态徽章 */
.project-device-status-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}

.project-device-status-badge.online {
  background-color: rgba(34, 197, 94, 0.15);
  color: #16a34a;
}

.project-device-status-badge.offline {
  background-color: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.project-device-status-badge .status-icon {
  font-size: 8px;
}

/* 设备操作按钮 */
.project-device-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.project-device-item:hover .project-device-actions {
  opacity: 1;
}

.project-device-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
  transition: all 0.15s;
}

.project-device-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.project-device-btn.delete:hover {
  border-color: #dc2626;
  color: #dc2626;
  background-color: rgba(239, 68, 68, 0.1);
}

/* 添加设备按钮 */
.project-device-add {
  padding: 12px 14px;
  border-top: 1px solid var(--border-color);
}

.btn-add-device {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 16px;
  background: var(--bg-primary);
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-add-device:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(124, 58, 237, 0.05);
}

.btn-add-device .add-icon {
  font-size: 18px;
  font-weight: 300;
}

/* 暗色主题适配 */
[data-theme="dark"] .project-device-status-badge.online {
  background-color: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

[data-theme="dark"] .project-device-status-badge.offline {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* SSH 主机选择器 */
.project-ssh-select {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
}

.project-ssh-select label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.project-ssh-select select {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

/* SSH 主机配置表单 */
.project-ssh-config {
  padding: 16px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ssh-config-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ssh-config-row label {
  min-width: 80px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.ssh-config-row input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.ssh-config-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.ssh-config-row input[type="file"] {
  padding: 6px;
  cursor: pointer;
}

.ssh-config-row input[type="file"]::file-selector-button {
  padding: 4px 12px;
  margin-right: 12px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: var(--font-size-xs);
}

.ssh-config-row input[type="file"]::file-selector-button:hover {
  background-color: var(--bg-hover);
}

.ssh-key-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-left: 4px;
}

.ssh-keygen-help {
  margin-top: 12px;
  padding: 10px 12px;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  border-left: 3px solid var(--color-primary);
}

.ssh-keygen-title {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.ssh-keygen-cmd {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-primary);
  padding: 6px 10px;
  border-radius: 12px;
  margin-bottom: 6px;
}

.ssh-keygen-cmd code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--text-primary);
  word-break: break-all;
}

.ssh-keygen-cmd .btn-copy {
  padding: 2px 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  opacity: 0.7;
  transition: opacity 0.2s;
  display: inline-flex;
  align-items: center;
}

.ssh-keygen-cmd .btn-copy svg {
  width: 14px;
  height: 14px;
}

.ssh-keygen-cmd .btn-copy:hover {
  opacity: 1;
}

.ssh-keygen-note {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

.ssh-keygen-note code {
  font-family: var(--font-mono);
  background-color: var(--bg-primary);
  padding: 1px 4px;
  border-radius: 3px;
}

.ssh-config-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.ssh-save-checkbox {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.ssh-save-checkbox input[type="checkbox"] {
  cursor: pointer;
}

/* 路径输入行 */
.project-path-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.project-path-input-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.project-path-input-row input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.project-path-input-row .btn-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* 目录树容器 */
.project-tree-container {
  flex: 1;
  min-height: 200px;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background-color: var(--bg-primary);
}

.project-tree-loading,
.project-tree-empty,
.project-tree-error {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.project-tree-error {
  color: var(--color-error);
}

/* 目录树项目 */
.project-tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border-bottom: 1px solid var(--border-color);
}

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

.project-tree-item:hover {
  background-color: var(--bg-tertiary);
}

.project-tree-item.selected {
  background-color: rgba(124, 58, 237, 0.1);
  border-left: 3px solid var(--color-primary);
  padding-left: 11px;
}

.project-tree-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.project-tree-name {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-tree-enter {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background-color: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--border-radius);
  font-size: 14px;
  opacity: 0;
  transition: all var(--transition-fast);
}

.project-tree-item:hover .project-tree-enter {
  opacity: 1;
}

.project-tree-enter:hover {
  background-color: var(--bg-tertiary);
  color: var(--color-primary);
}

/* Modal Footer 调整 */
.project-selector-modal .modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.project-selected-hint {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.project-selected-hint strong {
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.modal-footer-buttons {
  display: flex;
  gap: 8px;
}

/* ===== 全局统计显示 ===== */
.global-stats {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 12px;
  background-color: var(--bg-secondary);
  border-radius: 12px;
  font-size: var(--font-size-sm);
  margin-right: 12px;
}

.global-stat-item {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.global-stat-item span {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== Agent 状态指示器 ===== */
.agent-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 9999px;
  font-size: var(--font-size-sm);
  margin-right: 12px;
  transition: all var(--transition-fast);
}

.agent-status-icon {
  font-size: 14px;
  display: inline-block;
}

.agent-status-text {
  font-weight: 500;
  white-space: nowrap;
}

/* Agent 状态 - 运行中 */
.agent-status-indicator.running {
  border-color: var(--color-primary);
  background-color: rgba(124, 58, 237, 0.1);
}

.agent-status-indicator.running .agent-status-icon {
  animation: agent-spin 1.2s linear infinite;
}

.agent-status-indicator.running .agent-status-text {
  color: var(--color-primary);
}

/* Agent 状态 - 等待权限 */
.agent-status-indicator.waiting_permission {
  border-color: var(--color-warning);
  background-color: rgba(245, 158, 11, 0.1);
}

.agent-status-indicator.waiting_permission .agent-status-icon {
  animation: agent-blink 1s ease-in-out infinite;
}

.agent-status-indicator.waiting_permission .agent-status-text {
  color: var(--color-warning);
}

/* Agent 状态 - 已完成 */
.agent-status-indicator.completed {
  border-color: var(--color-success);
  background-color: rgba(34, 197, 94, 0.1);
}

.agent-status-indicator.completed .agent-status-text {
  color: var(--color-success);
}

/* Agent 状态 - 错误 */
.agent-status-indicator.error {
  border-color: var(--color-error);
  background-color: rgba(239, 68, 68, 0.1);
}

.agent-status-indicator.error .agent-status-text {
  color: var(--color-error);
}

/* Agent 状态 - 已停止 */
.agent-status-indicator.stopped {
  border-color: var(--border-color);
  background-color: var(--bg-secondary);
}

.agent-status-indicator.stopped .agent-status-text {
  color: var(--text-secondary);
}

/* 脉冲动画（运行中） */
@keyframes agent-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* 旋转动画（运行中 loader） */
@keyframes agent-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 闪烁动画（等待权限） */
@keyframes agent-blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* ===== 费用/Token 显示分隔符 ===== */
#costDisplay .divider,
#tokenDisplay .divider {
  color: var(--text-muted);
  margin: 0 6px;
}

#costCurrent, #costSession, #tokenCurrent, #tokenSession {
  font-size: var(--font-size-sm);
}

/* ===== Settings Modal ===== */
.settings-modal .modal-content {
  width: 560px;
  max-width: 90vw;
}

.settings-modal .modal-body {
  overflow-y: auto;
  max-height: 70vh;
}

/* Settings subsection */
.settings-subsection {
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.settings-subsection:last-child {
  margin-bottom: 0;
}

.settings-subsection-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

/* Device list in settings */
.settings-device-list,
.settings-ssh-list {
  max-height: 240px;
  overflow-y: auto;
}

.settings-device-add {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
}

/* Device actions in settings (no select, just manage) */
.settings-device-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.settings-device-actions .btn-sm {
  font-size: 12px;
  padding: 4px 12px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s;
}

.settings-device-actions .btn-sm:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.settings-device-actions .btn-sm.danger:hover {
  border-color: #dc2626;
  color: #dc2626;
  background: rgba(239, 68, 68, 0.1);
}

/* SSH host item card */
.settings-ssh-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.15s;
}

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

.settings-ssh-item:hover {
  background: var(--bg-secondary);
}

.ssh-host-icon {
  font-size: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ssh-host-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.ssh-host-info {
  flex: 1;
  min-width: 0;
}

.ssh-host-name {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.ssh-host-addr {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.ssh-host-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.ssh-host-actions .btn-sm {
  font-size: 11px;
  padding: 3px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.ssh-host-actions .btn-sm:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.ssh-host-actions .btn-sm.danger:hover {
  border-color: #dc2626;
  color: #dc2626;
}

/* Inline SSH form */
.settings-ssh-form {
  padding: 16px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
}

.settings-ssh-form-title {
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: 12px;
}

.settings-ssh-form .ssh-config-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Empty state */
.settings-empty {
  padding: 20px 14px;
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.settings-empty p {
  margin: 4px 0;
}