/* ==========================================================================
   MCP (Model Context Protocol) 核心中心与全套组件样式
   - 彻底推翻旧版简陋卡片与低幼配色
   - 采用现代原生移动端设计语言：层次清晰、动态微光、精致按键、人体工学间距
   ========================================================================== */

:root {
  --mcp-primary: #18191b;
  --mcp-accent: #2563eb;
  --mcp-accent-subtle: #eff6ff;
  --mcp-accent-glow: rgba(37, 99, 235, 0.12);
  --mcp-bg: #f8fafc;
  --mcp-card: #ffffff;
  --mcp-card-elevated: #ffffff;
  --mcp-card-border: #e2e8f0;
  --mcp-border: #f1f5f9;
  --mcp-text-main: #0f172a;
  --mcp-text-muted: #64748b;
  --mcp-text-sub: #94a3b8;
  --mcp-control-bg: #f1f5f9;
  --mcp-control-hover: #e2e8f0;
  --mcp-success: #10b981;
  --mcp-success-bg: #ecfdf5;
  --mcp-warning: #f59e0b;
  --mcp-warning-bg: #fffbeb;
  --mcp-danger: #ef4444;
  --mcp-danger-bg: #fef2f2;
  --mcp-radius-sm: 8px;
  --mcp-radius-md: 14px;
  --mcp-radius-lg: 20px;
  --mcp-radius-full: 9999px;
  --mcp-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.03);
  --mcp-shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --mcp-shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}

body.night-mode-active {
  --mcp-primary: #f8fafc;
  --mcp-accent: #3b82f6;
  --mcp-accent-subtle: rgba(59, 130, 246, 0.15);
  --mcp-accent-glow: rgba(59, 130, 246, 0.2);
  --mcp-bg: #090a0f;
  --mcp-card: #13151b;
  --mcp-card-elevated: #1a1d26;
  --mcp-card-border: #222634;
  --mcp-border: #1a1d26;
  --mcp-text-main: #f1f5f9;
  --mcp-text-muted: #94a3b8;
  --mcp-text-sub: #64748b;
  --mcp-control-bg: #1e222d;
  --mcp-control-hover: #282e3d;
  --mcp-success: #34d399;
  --mcp-success-bg: rgba(52, 211, 153, 0.12);
  --mcp-warning: #fbbf24;
  --mcp-warning-bg: rgba(251, 191, 36, 0.12);
  --mcp-danger: #f87171;
  --mcp-danger-bg: rgba(248, 113, 113, 0.12);
  --mcp-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --mcp-shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.4);
  --mcp-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* 屏幕骨架 */
#mcp-screen {
  background: var(--mcp-bg);
  flex-direction: column;
  overflow: hidden;
  height: 100%;
  min-height: 0;
  flex: 1;
}

#mcp-screen.active {
  display: flex;
}

/* 顶部导航栏 - 与系统风格严丝合缝 */
#mcp-screen .app-header {
  background: var(--mcp-bg);
  border-bottom: 1px solid var(--mcp-border);
}

/* 主容器：强制启用独立丝滑滚动，解决任何机型滚动卡死 */
.mcp-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding: 14px 16px calc(90px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mcp-content > * {
  flex-shrink: 0;
}

/* 实时引擎仪表卡 (HUD Banner) */
.mcp-engine-card {
  position: relative;
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-lg);
  padding: 16px 18px;
  box-shadow: var(--mcp-shadow-sm);
  overflow: hidden;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.mcp-engine-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--mcp-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.mcp-engine-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mcp-pulse-wrapper {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mcp-summary-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
  position: relative;
  z-index: 2;
  transition: background-color 0.3s ease;
}

.mcp-summary-dot.online {
  background: var(--mcp-success);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

.mcp-summary-dot.warning {
  background: var(--mcp-warning);
}

.mcp-pulse-ring {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: transparent;
  pointer-events: none;
}

.mcp-summary-dot.online + .mcp-pulse-ring {
  border: 2px solid var(--mcp-success);
  animation: mcp-pulse 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

@keyframes mcp-pulse {
  0% {
    transform: scale(0.5);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.mcp-engine-title-group h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--mcp-text-main);
  margin: 0;
  line-height: 1.3;
}

.mcp-engine-title-group p {
  font-size: 12px;
  color: var(--mcp-text-muted);
  margin: 3px 0 0;
  line-height: 1.35;
}

.mcp-engine-metrics {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--mcp-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.mcp-metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mcp-metric-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--mcp-text-main);
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.mcp-metric-lbl {
  font-size: 11px;
  color: var(--mcp-text-sub);
  margin-top: 2px;
}

.mcp-metric-sep {
  width: 1px;
  height: 20px;
  background: var(--mcp-border);
}

/* 现代分段导航药丸 (Segmented Navigation) */
.mcp-tabs,
.mcp-tabs-pill {
  margin: 0;
  padding: 4px;
  display: flex;
  background: var(--mcp-control-bg);
  border-radius: var(--mcp-radius-md);
  gap: 3px;
  border: 1px solid var(--mcp-card-border);
  box-sizing: border-box;
}

.mcp-tabs button,
.mcp-tabs-pill button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  border-radius: var(--mcp-radius-sm);
  background: transparent;
  border: none;
  outline: none;
  color: var(--mcp-text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  appearance: none;
  -webkit-appearance: none;
}

.mcp-tabs button.active,
.mcp-tabs-pill button.active {
  background: var(--mcp-card);
  color: var(--mcp-text-main);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.mcp-tabs button svg,
.mcp-tabs-pill button svg {
  opacity: 0.7;
}

.mcp-tabs button.active svg,
.mcp-tabs-pill button.active svg {
  opacity: 1;
  color: var(--mcp-accent);
}

/* 动态挂载根区域 */
.mcp-panel-root {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 200px;
}

/* 场景化快速入门向导 (Quick Starter Guide - 替代丑陋空图标) */
.mcp-onboarding-box {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mcp-onboarding-banner {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(16, 185, 129, 0.05) 100%);
  border: 1px dashed rgba(37, 99, 235, 0.3);
  border-radius: var(--mcp-radius-lg);
  padding: 20px;
  text-align: center;
}

.mcp-onboarding-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--mcp-text-main);
  margin: 0;
}

.mcp-onboarding-desc {
  font-size: 12px;
  color: var(--mcp-text-muted);
  margin: 6px auto 0;
  max-width: 320px;
  line-height: 1.5;
}

.mcp-quick-starter-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.mcp-quick-type-card {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--mcp-shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.mcp-quick-type-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--mcp-shadow-md);
  border-color: var(--mcp-accent);
}

.mcp-quick-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mcp-accent-subtle);
  color: var(--mcp-accent);
}

.mcp-quick-card-info h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--mcp-text-main);
  margin: 0;
}

.mcp-quick-card-info p {
  font-size: 11px;
  color: var(--mcp-text-muted);
  margin: 3px 0 0;
  line-height: 1.35;
}

/* 列表分组标题 */
.mcp-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px;
}

.mcp-list-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--mcp-text-sub);
}

.mcp-list-count {
  font-size: 11px;
  color: var(--mcp-text-muted);
}

/* 连接节点卡片 (Hub Cards) */
.mcp-connections-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mcp-node-card {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-lg);
  padding: 14px 16px;
  box-shadow: var(--mcp-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
}

.mcp-node-card:hover {
  box-shadow: var(--mcp-shadow-md);
}

.mcp-node-card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.mcp-node-avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--mcp-control-bg);
  color: var(--mcp-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mcp-node-avatar svg {
  width: 20px;
  height: 20px;
}

.mcp-node-meta {
  flex: 1;
  min-width: 0;
}

.mcp-node-name-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mcp-node-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--mcp-text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-node-endpoint {
  font-size: 11px;
  color: var(--mcp-text-sub);
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.mcp-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--mcp-radius-full);
  line-height: 1.2;
  white-space: nowrap;
}

.mcp-badge.online {
  background: var(--mcp-success-bg);
  color: var(--mcp-success);
}

.mcp-badge.testing {
  background: var(--mcp-accent-subtle);
  color: var(--mcp-accent);
}

.mcp-badge.error, .mcp-badge.failed {
  background: var(--mcp-danger-bg);
  color: var(--mcp-danger);
}

.mcp-badge.disabled, .mcp-badge.offline {
  background: var(--mcp-control-bg);
  color: var(--mcp-text-sub);
}

.mcp-badge.ready, .mcp-badge.paired {
  background: var(--mcp-accent-subtle);
  color: var(--mcp-accent);
}

/* 节点底部操作条 */
.mcp-node-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--mcp-border);
}

.mcp-node-chips {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mcp-chip {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--mcp-control-bg);
  color: var(--mcp-text-muted);
}

.mcp-node-action-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mcp-pill-btn {
  height: 28px;
  padding: 0 10px;
  border-radius: var(--mcp-radius-full);
  font-size: 11px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--mcp-card-border);
  background: var(--mcp-card);
  color: var(--mcp-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mcp-pill-btn:hover {
  background: var(--mcp-control-bg);
}

.mcp-pill-btn.primary {
  background: var(--mcp-primary);
  color: #fff;
  border-color: var(--mcp-primary);
}

.mcp-pill-btn.primary:hover {
  opacity: 0.9;
}

.mcp-pill-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 能力罗盘卡片 (Capabilities List) */
.mcp-capabilities-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mcp-capability-card {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  box-shadow: var(--mcp-shadow-sm);
  transition: all 0.2s ease;
}

.mcp-capability-card:hover {
  border-color: var(--mcp-accent);
}

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

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

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

.mcp-cap-tag {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--mcp-control-bg);
  color: var(--mcp-text-muted);
}

.mcp-cap-desc {
  font-size: 11px;
  color: var(--mcp-text-muted);
  margin-top: 4px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.mcp-cap-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* 活动流水流水线 (Activity Stream) */
.mcp-activity-timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mcp-timeline-row {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  box-shadow: var(--mcp-shadow-sm);
  transition: all 0.18s ease;
}

.mcp-timeline-row:hover {
  background: var(--mcp-control-bg);
}

.mcp-timeline-main {
  flex: 1;
  min-width: 0;
}

.mcp-timeline-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mcp-timeline-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--mcp-text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mcp-timeline-meta {
  font-size: 11px;
  color: var(--mcp-text-sub);
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mcp-timeline-summary {
  font-size: 11px;
  color: var(--mcp-text-muted);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 设置参数面板 (Settings Inset Cards) */
.mcp-settings-group {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-lg);
  overflow: hidden;
  box-shadow: var(--mcp-shadow-sm);
}

.mcp-setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--mcp-border);
  gap: 12px;
}

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

.mcp-setting-copy {
  flex: 1;
  min-width: 0;
}

.mcp-setting-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--mcp-text-main);
}

.mcp-setting-hint {
  font-size: 11px;
  color: var(--mcp-text-sub);
  margin-top: 2px;
  line-height: 1.35;
}

/* 原生质感 iOS Toggle */
.mcp-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

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

.mcp-switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--mcp-control-hover);
  border-radius: var(--mcp-radius-full);
  transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mcp-switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mcp-switch input:checked + .mcp-switch-slider {
  background-color: var(--mcp-accent);
}

.mcp-switch input:checked + .mcp-switch-slider:before {
  transform: translateX(20px);
}

/* 居中模态弹窗 (Modal Dialog - 拒绝半截悬空露底) */
.mcp-sheet-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10050;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.mcp-sheet-overlay.visible {
  display: flex;
  opacity: 1;
}

.mcp-sheet-handle {
  display: none;
}

.mcp-sheet {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: min(84vh, 680px);
  background: var(--mcp-card);
  border-radius: 20px;
  border: 1px solid var(--mcp-card-border);
  box-shadow: var(--mcp-shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.94) translateY(8px);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.24s ease;
  z-index: 2;
}

.mcp-sheet-overlay.visible .mcp-sheet {
  transform: scale(1) translateY(0);
}

.mcp-sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--mcp-border);
  background: var(--mcp-card);
  flex-shrink: 0;
}

.mcp-sheet-head h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--mcp-text-main);
  margin: 0;
  letter-spacing: -0.2px;
}

/* 彻底重置并美化关闭按钮，杜绝浏览器默认方框 */
#mcp-sheet-close,
.mcp-sheet-close-btn {
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  border: none;
  margin: 0;
  padding: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--mcp-control-bg);
  color: var(--mcp-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

#mcp-sheet-close:hover,
.mcp-sheet-close-btn:hover {
  background: var(--mcp-control-hover);
  color: var(--mcp-text-main);
}

#mcp-sheet-close:active,
.mcp-sheet-close-btn:active {
  transform: scale(0.92);
}

.mcp-sheet-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mcp-sheet-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--mcp-border);
  background: var(--mcp-card);
  flex-shrink: 0;
}

.mcp-sheet-actions button {
  flex: 1;
  height: 42px;
  border-radius: var(--mcp-radius-md);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.mcp-sheet-actions .mcp-secondary-btn {
  background: var(--mcp-control-bg);
  color: var(--mcp-text-main);
}

.mcp-sheet-actions .mcp-primary-btn {
  background: var(--mcp-primary);
  color: #fff;
}

.mcp-sheet-actions .mcp-danger-btn {
  background: var(--mcp-danger-bg);
  color: var(--mcp-danger);
}

/* 表单控件美化 */
.mcp-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mcp-form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--mcp-text-main);
}

.mcp-input, .mcp-select, .mcp-textarea {
  width: 100%;
  border-radius: var(--mcp-radius-md);
  border: 1px solid var(--mcp-card-border);
  background: var(--mcp-card);
  color: var(--mcp-text-main);
  padding: 10px 14px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.mcp-input:focus, .mcp-select:focus, .mcp-textarea:focus {
  border-color: var(--mcp-accent);
  box-shadow: 0 0 0 3px var(--mcp-accent-glow);
}

.mcp-textarea {
  min-height: 84px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.mcp-form-note {
  font-size: 11px;
  color: var(--mcp-text-sub);
  line-height: 1.4;
}

/* 对话中的 MCP 执行卡片 (Chat Activity Bubble) */
.mcp-activity-wrapper {
  min-width: 0;
  max-width: 100%;
}

.mcp-message-card {
  --mcp-chat-surface: #f8fbfd;
  --mcp-chat-border: #dce8ef;
  --mcp-chat-text: #2a3032;
  --mcp-chat-muted: #70818c;
  --mcp-chat-blue: #52768e;
  --mcp-chat-detail: #f0f5f8;
  width: fit-content;
  min-width: min(244px, calc(100% - 16px));
  max-width: min(320px, calc(100% - 16px));
  min-height: 0;
  margin: 0 8px;
  background: var(--mcp-chat-surface);
  border: 1px solid var(--mcp-chat-border);
  border-radius: var(--border-radius, 18px);
  border-bottom-left-radius: 5px;
  padding: 11px 13px;
  color: var(--mcp-chat-text);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mcp-message-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}

.mcp-message-source {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: calc(11px * var(--app-font-scale, 1));
  font-weight: 500;
  color: var(--mcp-chat-blue);
}

.mcp-message-head .mcp-status-tag {
  flex: none;
  font-size: calc(11px * var(--app-font-scale, 1));
  font-weight: 500;
  line-height: 1.4;
  color: var(--mcp-chat-muted);
}

.mcp-message-head .mcp-status-tag.running { color: var(--mcp-chat-blue); }
.mcp-message-head .mcp-status-tag.success { color: #627f80; }
.mcp-message-head .mcp-status-tag.failed { color: #ad5660; }
.mcp-message-head .mcp-status-tag.cancelled { color: var(--mcp-chat-muted); }

.mcp-message-body {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.mcp-message-title {
  font-size: calc(14px * var(--app-font-scale, 1));
  font-weight: 600;
  line-height: 1.35;
  color: var(--mcp-chat-text);
  overflow-wrap: anywhere;
}

.mcp-message-summary {
  font-size: calc(12px * var(--app-font-scale, 1));
  color: var(--mcp-chat-muted);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.mcp-message-detail {
  display: none;
  font-size: calc(11px * var(--app-font-scale, 1));
  line-height: 1.5;
  background: var(--mcp-chat-detail);
  color: var(--mcp-chat-text);
  padding: 9px 10px;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  max-height: 160px;
  overflow-y: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.mcp-message-card.expanded .mcp-message-detail {
  display: block;
}

.mcp-message-toggle {
  width: 100%;
  background: transparent;
  border: none;
  border-top: 1px solid var(--mcp-chat-border);
  color: var(--mcp-chat-blue);
  font-size: calc(11px * var(--app-font-scale, 1));
  padding: 9px 0 0;
  cursor: pointer;
  text-align: left;
}

.mcp-message-toggle:focus-visible {
  outline: 2px solid var(--mcp-chat-blue);
  outline-offset: 3px;
}

body.night-mode-active .mcp-message-card {
  --mcp-chat-surface: #1b2329;
  --mcp-chat-border: #35434b;
  --mcp-chat-text: #e1e9ed;
  --mcp-chat-muted: #a3b0b8;
  --mcp-chat-blue: #9cbdd1;
  --mcp-chat-detail: #232e35;
}

body.night-mode-active .mcp-message-head .mcp-status-tag.success { color: #a5c4bd; }
body.night-mode-active .mcp-message-head .mcp-status-tag.failed { color: #e8a1a9; }

/* 角色与群聊详情中的 MCP 权限面板 */
.mcp-perm-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

.mcp-perm-main-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
}

.mcp-perm-disclosure,
.mcp-perm-subdisclosure {
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
  background: var(--mcp-card);
  overflow: hidden;
}

.mcp-perm-disclosure > summary,
.mcp-perm-subdisclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  color: var(--mcp-text-main);
  list-style: none;
}

.mcp-perm-disclosure > summary::-webkit-details-marker,
.mcp-perm-subdisclosure > summary::-webkit-details-marker {
  display: none;
}

.mcp-perm-disclosure > summary::after,
.mcp-perm-subdisclosure > summary::after {
  content: '›';
  color: var(--mcp-text-sub);
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.mcp-perm-disclosure[open] > summary::after,
.mcp-perm-subdisclosure[open] > summary::after {
  transform: rotate(90deg);
}

.mcp-perm-disclosure-title {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
}

.mcp-perm-disclosure-summary {
  font-size: 12px;
  color: var(--mcp-text-sub);
}

.mcp-perm-disclosure-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 0 12px;
}

.mcp-perm-disclosure-content > .mcp-settings-group {
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  box-shadow: none;
}

.mcp-perm-subdisclosure {
  margin: 0 12px;
}

.mcp-perm-subdisclosure > summary {
  padding: 11px 12px;
  font-size: 13px;
  font-weight: 600;
}

.mcp-perm-subdisclosure .mcp-settings-group {
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  box-shadow: none;
}

.mcp-perm-tools-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 12px 12px;
}

.mcp-perm-node-group {
  background: var(--mcp-card);
  border: 1px solid var(--mcp-card-border);
  border-radius: var(--mcp-radius-md);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mcp-perm-node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mcp-perm-node-tools {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 22px;
  border-top: 1px solid var(--mcp-border);
  padding-top: 8px;
}

.mcp-perm-tool-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--mcp-text-main);
}