/* ===================================================================
   AgentWorkbench - 纯静态智能体协同工作台样式表
   风格设计: 毛玻璃拟态 (Glassmorphism) / 高端科技暗色与晶透浅色双模
   交互灵感参考: CopilotKit (Agent 交互与审批流) & Lobe UI (现代卡片与微质感)
   特点: 零外部字体、零图标网络依赖，纯原生 CSS 变量驱动
   =================================================================== */

:root {
  /* 基础排版 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* 过渡动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* 基础尺寸 */
  --sidebar-width: 290px;
  --topbar-height: 64px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* ============================ 深色主题 (Dark Mode) ============================ */
[data-theme="dark"] {
  --color-bg-base: #090d16;
  --color-bg-mesh: radial-gradient(circle at 10% 20%, rgba(30, 58, 138, 0.22) 0%, transparent 45%),
                   radial-gradient(circle at 90% 80%, rgba(88, 28, 135, 0.20) 0%, transparent 45%),
                   radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.8) 0%, #090d16 100%);
  
  --surface-glass-sidebar: rgba(13, 18, 30, 0.78);
  --surface-glass-header: rgba(13, 18, 30, 0.72);
  --surface-glass-card: rgba(22, 30, 49, 0.65);
  --surface-glass-input: rgba(15, 23, 42, 0.85);
  --surface-glass-hover: rgba(30, 41, 69, 0.6);
  --surface-glass-active: rgba(37, 99, 235, 0.15);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-focus: rgba(96, 165, 250, 0.5);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --accent-hover: #2563eb;
  
  --agent-arch: #38bdf8;
  --agent-analyst: #c084fc;
  --agent-devops: #34d399;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);

  --code-bg: rgba(10, 15, 29, 0.9);
}

/* ============================ 浅色主题 (Light Mode) ============================ */
[data-theme="light"] {
  --color-bg-base: #f8fafc;
  --color-bg-mesh: radial-gradient(circle at 15% 15%, rgba(219, 234, 254, 0.7) 0%, transparent 40%),
                   radial-gradient(circle at 85% 85%, rgba(243, 232, 255, 0.7) 0%, transparent 45%),
                   radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.9) 0%, #f1f5f9 100%);

  --surface-glass-sidebar: rgba(255, 255, 255, 0.82);
  --surface-glass-header: rgba(255, 255, 255, 0.85);
  --surface-glass-card: rgba(255, 255, 255, 0.92);
  --surface-glass-input: rgba(255, 255, 255, 0.95);
  --surface-glass-hover: rgba(241, 245, 249, 0.9);
  --surface-glass-active: rgba(219, 234, 254, 0.6);

  --border-subtle: rgba(203, 213, 225, 0.75);
  --border-strong: rgba(148, 163, 184, 0.5);
  --border-focus: rgba(37, 99, 235, 0.6);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.2);
  --accent-hover: #1d4ed8;

  --agent-arch: #0284c7;
  --agent-analyst: #9333ea;
  --agent-devops: #059669;

  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 32px rgba(15, 23, 42, 0.12);

  --code-bg: rgba(241, 245, 249, 0.95);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--color-bg-base);
  background-image: var(--color-bg-mesh);
  background-attachment: fixed;
  background-size: cover;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 自定义纤细滚动条 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* 键盘可访问性焦点轮廓 */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ============================ 工作台主网格布局 ============================ */
.workbench-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ============================ 侧边栏 ============================ */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface-glass-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-subtle);
  z-index: 30;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.mobile-only-btn {
  display: none;
}

/* 项目工作空间选择框 */
.project-selector-wrapper {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.custom-select-box {
  position: relative;
  width: 100%;
}

.project-select {
  width: 100%;
  appearance: none;
  background: var(--surface-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 30px 8px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.project-select:hover {
  border-color: var(--border-strong);
}

.project-select:focus {
  border-color: var(--accent-primary);
  outline: none;
}

.select-chevron {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

/* 智能体协同列表 */
.agents-section {
  flex: 1;
  padding: 16px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
}

.badge-mini {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

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

.agent-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--surface-glass-card);
  text-align: left;
  transition: all var(--transition-fast);
}

.agent-card:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.agent-card.active {
  background: var(--surface-glass-active);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 1px var(--accent-primary), var(--shadow-sm);
}

.agent-avatar {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar-architect {
  background: rgba(56, 189, 248, 0.15);
  color: var(--agent-arch);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.avatar-analyst {
  background: rgba(192, 132, 252, 0.15);
  color: var(--agent-analyst);
  border: 1px solid rgba(192, 132, 252, 0.3);
}

.avatar-devops {
  background: rgba(52, 211, 153, 0.15);
  color: var(--agent-devops);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.agent-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.agent-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.agent-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.agent-role-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-blue { background: rgba(56, 189, 248, 0.12); color: var(--agent-arch); }
.tag-purple { background: rgba(192, 132, 252, 0.12); color: var(--agent-analyst); }
.tag-emerald { background: rgba(52, 211, 153, 0.12); color: var(--agent-devops); }

.agent-desc {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.active-indicator {
  position: absolute;
  right: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: none;
}

.agent-card.active .active-indicator {
  display: block;
}

/* Cookie 存储配额监控面板 */
.cookie-monitor-panel {
  margin: 0 14px 12px 14px;
  padding: 10px 12px;
  background: var(--surface-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}

.monitor-title {
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.monitor-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-primary);
  font-weight: 600;
}

.monitor-bar-bg {
  width: 100%;
  height: 5px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.monitor-bar-fill {
  height: 100%;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease, background 0.3s ease;
}

.monitor-bar-fill.warning {
  background: var(--warning);
}

.monitor-bar-fill.danger {
  background: var(--danger);
}

.monitor-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* 侧边栏底部设置区 */
.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.theme-toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-glass-card);
  border: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.theme-toggle-pill:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-strong);
}

.theme-icon {
  display: flex;
  align-items: center;
  color: var(--text-muted);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-glass-card);
  border: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.secondary-btn:hover {
  color: var(--text-primary);
  background: var(--surface-glass-hover);
  border-color: var(--border-strong);
}

/* ============================ 主交互区 ============================ */
.workbench-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-width: 0;
  position: relative;
  background: transparent;
}

/* 顶部状态栏 */
.topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--surface-glass-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 20;
}

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

.mobile-menu-btn {
  display: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.mobile-menu-btn:hover {
  background: var(--surface-glass-hover);
  color: var(--text-primary);
}

.active-agent-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-agent-avatar {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.top-agent-text {
  display: flex;
  flex-direction: column;
}

.top-agent-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-agent-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.status-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.top-agent-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.demo-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: 11px;
  color: var(--success);
  font-weight: 500;
}

.badge-dot-green {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.icon-text-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-glass-card);
  border: 1px solid var(--border-subtle);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.icon-text-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* ============================ 核心对话视口 ============================ */
.chat-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chat-messages-container {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 12px;
}

/* 空状态卡片 */
.empty-chat-welcome {
  text-align: center;
  padding: 48px 24px;
  background: var(--surface-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  margin-top: 40px;
  box-shadow: var(--shadow-sm);
}

.empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.empty-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  text-align: left;
  margin-top: 24px;
}

.feature-item {
  padding: 12px 14px;
  background: var(--surface-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.feature-title {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.feature-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* 消息行基础结构 */
.message-row {
  display: flex;
  gap: 12px;
  width: 100%;
  animation: fadeInMsg 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.message-avatar {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.user-avatar-box {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #ffffff;
}

.message-body-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.message-meta-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.message-author {
  font-weight: 600;
  color: var(--text-primary);
}

.message-time {
  font-size: 11px;
  color: var(--text-muted);
}

/* 用户消息外观 */
.message-row.user {
  flex-direction: row-reverse;
}

.message-row.user .message-body-wrap {
  align-items: flex-end;
}

.message-row.user .message-bubble {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(59, 130, 246, 0.85));
  color: #ffffff;
  border-radius: var(--radius-lg) 4px var(--radius-lg) var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
  padding: 12px 16px;
  max-width: 85%;
  font-size: 13.5px;
  line-height: 1.6;
  word-break: break-word;
}

/* 智能体消息外观 */
.message-row.agent .message-bubble {
  background: var(--surface-glass-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: 4px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  padding: 16px 18px;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  font-size: 13.5px;
  line-height: 1.65;
  word-break: break-word;
}

/* 思考过程/推理折叠卡片 */
.thinking-badge-accordion {
  margin-bottom: 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-glass-input);
  overflow: hidden;
}

.thinking-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.thinking-summary:hover {
  background: var(--surface-glass-hover);
  color: var(--text-primary);
}

.thinking-title-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.spark-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
}

.thinking-details {
  padding: 8px 12px 10px 12px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  line-height: 1.5;
  font-family: var(--font-mono);
  background: var(--code-bg);
}

/* 代码块和高亮格式 */
.chat-code-block {
  margin: 10px 0;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.copy-code-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.copy-code-btn:hover {
  color: var(--text-primary);
  background: var(--surface-glass-hover);
}

.code-pre {
  padding: 10px 12px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* 列表渲染微样式 */
.chat-bullet-list {
  margin: 8px 0;
  padding-left: 20px;
}
.chat-bullet-list li {
  margin-bottom: 4px;
}

/* ============================ HITL 人工介入审核卡片 ============================ */
.approval-card {
  margin-top: 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(245, 158, 11, 0.4);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0.02) 100%);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-normal);
}

.approval-card.status-approved {
  border-color: rgba(16, 185, 129, 0.4);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.02) 100%);
}

.approval-card.status-rejected {
  border-color: rgba(239, 68, 68, 0.4);
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.08) 0%, rgba(239, 68, 68, 0.02) 100%);
}

.approval-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(245, 158, 11, 0.2);
}

.approval-card.status-approved .approval-header {
  border-bottom-color: rgba(16, 185, 129, 0.2);
}

.approval-card.status-rejected .approval-header {
  border-bottom-color: rgba(239, 68, 68, 0.2);
}

.approval-title-box {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.approval-state-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.state-badge-pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.state-badge-approved {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.state-badge-rejected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.approval-content-table {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
}

.approval-prop-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.prop-key {
  width: 72px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.prop-val {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

.prop-val-code {
  font-family: var(--font-mono);
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  border: 1px solid var(--border-subtle);
  word-break: break-all;
}

.approval-actions-bar {
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.1);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.btn-approve {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--success);
  color: #ffffff;
  font-weight: 600;
  font-size: 12px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  transition: all var(--transition-fast);
}

.btn-approve:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-reject {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-glass-card);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 12px;
  transition: all var(--transition-fast);
}

.btn-reject:hover:not(:disabled) {
  color: var(--danger);
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

.btn-approve:disabled,
.btn-reject:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================ 底部输入区域 ============================ */
.chat-input-area {
  flex-shrink: 0;
  padding: 12px 24px 20px 24px;
  background: linear-gradient(180deg, transparent 0%, var(--surface-glass-header) 25%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 20;
}

.prompt-chips-wrapper {
  width: 100%;
  max-width: 860px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.chips-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.prompt-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
}

.prompt-chip {
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-glass-card);
  border: 1px solid var(--border-subtle);
  font-size: 11.5px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.prompt-chip:hover {
  color: var(--text-primary);
  background: var(--surface-glass-hover);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.chat-form {
  width: 100%;
  max-width: 860px;
}

.input-glass-box {
  background: var(--surface-glass-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-glass-box:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--accent-primary), var(--shadow-md);
}

.chat-textarea {
  width: 100%;
  min-height: 44px;
  max-height: 160px;
  background: transparent;
  border: none;
  resize: none;
  outline: none;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-primary);
}

.chat-textarea::placeholder {
  color: var(--text-muted);
}

.input-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
}

.keyboard-tip {
  font-size: 11px;
  color: var(--text-muted);
}

.keyboard-tip kbd {
  font-family: var(--font-mono);
  background: var(--surface-glass-hover);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 1px 4px;
  font-size: 10px;
}

.send-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.send-btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

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

/* ============================ 全局轻量浮动通知 (Toast) ============================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-glass-sidebar);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-primary);
  animation: slideInToast 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInToast {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-item.toast-success {
  border-left: 4px solid var(--success);
}
.toast-item.toast-warning {
  border-left: 4px solid var(--warning);
}
.toast-item.toast-error {
  border-left: 4px solid var(--danger);
}
.toast-item.toast-info {
  border-left: 4px solid var(--accent-primary);
}

.toast-icon {
  margin-top: 1px;
  flex-shrink: 0;
}
.toast-success .toast-icon { color: var(--success); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-error .toast-icon { color: var(--danger); }
.toast-info .toast-icon { color: var(--accent-primary); }

.toast-content {
  flex: 1;
  line-height: 1.5;
}

/* ============================ 响应式适配 (移动端 & 平板) ============================ */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 25;
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

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

  .mobile-only-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    color: var(--text-muted);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .topbar {
    padding: 0 16px;
  }

  .demo-badge-pill {
    display: none;
  }

  .chat-viewport {
    padding: 16px 12px;
  }

  .chat-input-area {
    padding: 8px 12px 14px 12px;
  }

  .keyboard-tip {
    display: none;
  }
}