:root {
  --bg-body: #f7f8fa;
  --bg-surface: #ffffff;
  --bg-hover: #f2f3f5;
  --bg-user-bubble: #e8f3ff;
  --text-primary: #1d2129;
  --text-secondary: #4e5969;
  --text-tertiary: #86909c;
  --text-white: #fff;
  --border-light: #e5e6eb;
  --border-active: #1664ff;
  --primary-color: #1664ff;
  --primary-hover: #0e42d2;
  --success-color: #00b42a;
  --warning-color: #ff7d00;
  --danger-color: #f53f3f;
  --focus-ring: 0 0 0 3px rgba(22, 100, 255, .18);
  --status-success-bg: rgba(0, 180, 42, .10);
  --status-warning-bg: rgba(255, 125, 0, .12);
  --status-danger-bg: rgba(245, 63, 63, .12);
  --status-info-bg: rgba(22, 100, 255, .10);
  --status-muted-bg: rgba(134, 144, 156, .14);
  --status-success-border: rgba(0, 180, 42, .28);
  --status-warning-border: rgba(255, 125, 0, .30);
  --status-danger-border: rgba(245, 63, 63, .30);
  --status-info-border: rgba(22, 100, 255, .28);
  --primary-subtle-bg: rgba(22, 100, 255, .06);
  --primary-subtle-border: rgba(22, 100, 255, .32);
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, .04);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, .08);
  --sidebar-width: 240px;
  --sidebar-collapsed: 68px;
  --panel-width: 392px;
  --panel-overlay-width: min(92vw, 460px);
  --header-height: 56px;
  --chat-shell-max-width: 1120px;
  --chat-shell-outer-max-width: 1240px;
  --chat-shell-padding: clamp(20px, 4vw, 48px);
  --chat-message-max-width: min(920px, 82%);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  /* P2-11: Semantic Tokens */
  --color-text-on-primary: #ffffff;
  --color-text-link: var(--primary-color);
  --color-surface-overlay: rgba(0, 0, 0, 0.5);
  --color-border-focus: var(--primary-color);
  --color-border-error: var(--danger-color);
}

/* P2-10: Dark Mode */
[data-theme="dark"] {
  --bg-body: #1b1b1f;
  --bg-surface: #242428;
  --bg-hover: #2c2c32;
  --bg-user-bubble: #1a2a40;
  --text-primary: #e0e0e6;
  --text-secondary: #a0a0ae;
  --text-tertiary: #6c6c7a;
  --border-light: #3a3a44;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .4);
  --primary-color: #4d8eff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

/* P0-3: 全局焦点可见性 (WCAG 2.4.7) */
:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

:focus:not(:focus-visible) {
  outline: none;
}

::-webkit-scrollbar {
  width: 4px;
  height: 4px
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, .12);
  border-radius: 2px
}

body {
  font-family: var(--font);
  background: var(--bg-body);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
  display: flex
}

.icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-body);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transition: width .3s;
  position: relative;
  z-index: 10
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed)
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  margin-bottom: 16px
}

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  margin-left: 8px;
  white-space: nowrap;
  overflow: hidden;
  opacity: 1;
  transition: opacity .2s
}

.sidebar.collapsed .sidebar-title {
  opacity: 0;
  pointer-events: none
}

.toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20
}

.toggle-btn:hover {
  background: var(--bg-hover)
}

.nav-section {
  padding: 0 12px;
  margin-bottom: 24px
}

.nav-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  padding-left: 12px;
  white-space: nowrap;
  overflow: hidden
}

.sidebar.collapsed .nav-label {
  opacity: 0
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  margin-bottom: 4px;
  transition: all .2s;
  white-space: nowrap;
  overflow: hidden
}

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

.nav-item.active {
  background: #e8f3ff;
  color: var(--primary-color);
  font-weight: 500
}

.nav-text {
  margin-left: 12px;
  opacity: 1;
  transition: opacity .2s
}

.sidebar.collapsed .nav-text {
  opacity: 0
}

.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px 8px
}

.history-item {
  width: 100%;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 0;
  text-align: left;
  transition: all .18s ease;
  position: relative;
  border-left: 3px solid transparent
}

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

.history-item.active {
  background: rgba(22, 100, 255, .08);
  border-left-color: var(--primary-color);
  box-shadow: inset 0 0 0 1px rgba(22, 100, 255, .16);
  color: var(--text-primary)
}

.history-item.active:hover {
  background: rgba(22, 100, 255, .11)
}

.history-item[data-status="completed"] {
  border-left-color: #34d399
}

.history-item[data-status="running"] {
  border-left-color: #fbbf24
}

.history-item[data-status="pending"] {
  border-left-color: #94a3b8
}

.history-item[data-status="error"] {
  border-left-color: #f87171
}

.history-item.active[data-status] {
  border-left-color: var(--primary-color)
}

.history-item.pinned .history-title::before {
  content: "📌";
  margin-right: 4px
}

.history-avatar {
  display: none
}

.history-body {
  min-width: 0;
  display: grid;
  gap: 1px;
  flex: 1;
  width: 100%
}

.history-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  min-width: 0;
  width: 100%
}

.history-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4
}

.history-item.active .history-title {
  color: var(--primary-color)
}

.history-current-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 5px;
  background: rgba(22, 100, 255, .12);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap
}

.history-preview {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  margin-top: 1px
}

.history-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: .65;
  margin-top: 1px
}

.history-actions {
  display: inline-flex;
  gap: 1px;
  opacity: 0;
  transition: opacity .15s;
  position: absolute;
  right: 4px;
  top: 4px;
  background: var(--bg-surface);
  border-radius: 6px;
  padding: 2px;
  box-shadow: 0 1px 4px rgba(0,0,0,.08)
}

.history-item:hover .history-actions,
.history-item:focus-visible .history-actions {
  opacity: 1
}

.history-action {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px
}

.history-action:hover {
  background: rgba(22, 100, 255, .08);
  color: var(--primary-color)
}

.history-action.danger:hover {
  background: rgba(245, 63, 63, .1);
  color: var(--danger-color)
}

.sidebar.collapsed .history-item {
  justify-content: center;
  padding: 8px 4px;
  border-left: none
}

.sidebar.collapsed .history-body,
.sidebar.collapsed .history-actions {
  display: none
}

.sidebar.collapsed .history-avatar {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(22, 100, 255, .12);
  color: var(--primary-color);
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700
}

.sidebar.collapsed .history-item.active {
  background: transparent;
  box-shadow: none
}

.sidebar.collapsed .history-item.active .history-avatar {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(22, 100, 255, .16)
}

/* Workspace */
.main-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  position: relative;
  min-width: 0;
  min-height: 0;
  transition: padding-right .2s ease
}

.workspace-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-surface)
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px
}

.header-model-shell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 240px;
}

.header-model-settings-btn {
  padding: 9px 14px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 600;
}

.header-model-settings-btn.active {
  color: var(--primary-color);
  border-color: rgba(22, 100, 255, 0.24);
  background: rgba(22, 100, 255, 0.1);
}

.shared-model-picker {
  position: relative;
  min-width: 220px;
}

.shared-model-picker-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 14px;
  transition: all .2s ease;
}

.shared-model-picker-btn:hover,
.shared-model-picker.open .shared-model-picker-btn {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

.shared-model-picker-label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.shared-model-picker-title {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shared-model-picker-caret {
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.shared-model-picker-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  max-height: 320px;
  overflow-y: auto;
  padding: 6px 0;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
  z-index: 120;
}

.shared-model-picker-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  text-align: left;
}

.shared-model-picker-item:hover {
  background: var(--bg-hover);
}

.shared-model-picker-item.active {
  color: var(--primary-color);
  background: rgba(22, 100, 255, 0.08);
}

.shared-model-picker-check {
  font-weight: 700;
}

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

.model-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 16px;
  cursor: pointer
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all .2s
}

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

.action-btn.primary {
  background: var(--border-light);
  border: none
}

.prompt-kind-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.prompt-kind-pill {
  padding: 8px 14px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all .2s ease;
}

.prompt-kind-pill.active {
  background: rgba(22, 100, 255, 0.08);
  border-color: rgba(22, 100, 255, 0.3);
  color: var(--primary-color);
  font-weight: 600;
}

.prompt-select-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
}

.scoring-meta {
  padding: 16px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-hover);
}

.meta-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 12px;
}

.summary-view {
  border-radius: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 14px 16px;
}

.summary-view-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.summary-view-body {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
}

/* Chat */
.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: 32px 8%;
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: linear-gradient(to bottom, #fff, #fcfcfc)
}

.chat-shell-row {
  width: 100%;
  max-width: var(--chat-shell-outer-max-width);
  margin-left: auto;
  margin-right: auto;
}

.chat-shell-inline {
  max-width: var(--chat-shell-max-width);
  margin-left: auto !important;
  margin-right: auto !important;
}

#chat-area {
  padding: 28px var(--chat-shell-padding);
}

#chat-area>.empty-state {
  width: min(100%, 720px);
  margin: auto;
}

#page-chat .message,
#page-chat .chat-bubble {
  max-width: var(--chat-message-max-width);
}

#page-chat .message.user,
#page-chat .chat-bubble.user {
  margin-left: auto;
}

#page-chat .message.ai,
#page-chat .chat-bubble.ai {
  margin-right: auto;
}

.message {
  display: flex;
  max-width: 85%;
  animation: fadeIn .4s ease
}

.message.user {
  align-self: flex-end;
  flex-direction: row-reverse
}

.message.ai {
  align-self: flex-start
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0
}

.message-content {
  margin: 0 16px;
  padding: 16px 20px;
  border-radius: 12px;
  line-height: 1.6;
  position: relative;
  box-shadow: var(--shadow-sm)
}

.message.user .message-content {
  background: var(--bg-user-bubble);
  border-top-right-radius: 4px
}

.message.ai .message-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-top-left-radius: 4px
}

.narration,
.msg-italic {
  color: var(--text-secondary);
  font-style: italic;
  display: block;
  margin-bottom: 8px;
  opacity: .9
}

.dialogue,
.msg-dialogue {
  color: var(--text-primary);
  font-weight: 700;
}

.ai-output-toggle {
  min-width: 48px;
  justify-content: center;
  font-weight: 600;
}

.ai-output-toggle[data-mode="raw"] {
  color: var(--primary-color);
  border-color: rgba(22, 100, 255, 0.24);
  background: rgba(22, 100, 255, 0.08);
}

.ai-output-text {
  white-space: pre-wrap;
  word-break: break-word;
}

.ai-output-raw {
  font-family: inherit;
}

.ai-output-formatted {
  white-space: normal;
}

.msg-meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  flex-wrap: wrap
}

.meta-tag {
  display: flex;
  align-items: center;
  gap: 4px
}

.chat-bubble {
  margin-bottom: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  max-width: 100%;
  animation: fadeIn .4s ease
}

.chat-bubble.user {
  background: var(--bg-user-bubble);
  align-self: flex-end
}

.chat-bubble.ai {
  align-self: flex-start;
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  border-radius: 2px 16px 16px 16px;
}

.chat-bubble-loading {
  position: relative;
  overflow: hidden;
  min-width: 320px;
  border-style: dashed;
  background:
    linear-gradient(135deg, rgba(22, 100, 255, 0.03), rgba(22, 100, 255, 0.01)),
    var(--bg-surface);
}

.chat-bubble-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(22, 100, 255, 0.08), transparent);
  transform: translateX(-100%);
  animation: replyLoadingSweep 1.8s ease-in-out infinite;
  pointer-events: none;
}

.reply-waiting-shell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 2px 0 4px;
}

.reply-waiting-line {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(22, 100, 255, 0.14), rgba(22, 100, 255, 0.05));
  overflow: hidden;
}

.reply-waiting-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: translateX(-100%);
  animation: replyLineGlow 1.4s ease-in-out infinite;
}

.reply-waiting-line.line-lg {
  width: min(100%, 420px);
}

.reply-waiting-line.line-md {
  width: min(78%, 320px);
}

.reply-waiting-line.line-sm {
  width: min(58%, 240px);
}

.reply-waiting-line.line-md::after {
  animation-delay: 0.08s;
}

.reply-waiting-line.line-sm::after {
  animation-delay: 0.16s;
}

.reply-waiting-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.reply-waiting-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-color);
  opacity: 0.3;
  animation: replyDotPulse 1.2s ease-in-out infinite;
}

.reply-waiting-dots span:nth-child(2) {
  animation-delay: 0.15s;
}

.reply-waiting-dots span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes replyLoadingSweep {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes replyLineGlow {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

@keyframes replyDotPulse {
  0%,
  80%,
  100% {
    transform: translateY(0) scale(0.75);
    opacity: 0.3;
  }

  40% {
    transform: translateY(-3px) scale(1);
    opacity: 1;
  }
}

/* 消息卡片顶部状态标签 */
.msg-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.msg-tag {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.msg-tag.green {
  background: var(--status-success-bg);
  color: var(--success-color);
  border: 1px solid var(--status-success-border);
}

.msg-tag.yellow {
  background: var(--status-warning-bg);
  color: var(--warning-color);
  border: 1px solid var(--status-warning-border);
}

.msg-tag.orange {
  background: var(--status-warning-bg);
  color: var(--warning-color);
  border: 1px solid var(--status-warning-border);
}

.msg-tag.blue {
  background: var(--status-info-bg);
  color: var(--primary-color);
  border: 1px solid var(--status-info-border);
}

.msg-tag.red {
  background: #ffece8;
  color: #f53f3f;
  border: 1px solid #ffbba8;
}

.msg-tag.purple {
  background: #f2e8ff;
  color: #722ed1;
  border: 1px solid #dab5ff;
}

.msg-tag.lightblue {
  background: #e8fafd;
  color: #00b4e3;
  border: 1px solid #ade4f2;
}

.chat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 8px
}

.chat-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--bg-hover);
  border: 1px solid var(--border-light);
  border-radius: 8px
}

.meta-item {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary)
}

.meta-value {
  font-weight: 600;
  color: var(--text-primary)
}

.word-count-ok {
  color: var(--success-color) !important
}

.word-count-warn {
  color: var(--danger-color) !important
}

/* Progress */
.chat-progress {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-hover);
  border-radius: 8px;
  margin: 0 auto 16px
}

.chat-progress-bar {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--border-light);
  overflow: hidden
}

.chat-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #4f8cff);
  border-radius: 3px;
  transition: width .3s
}

.chat-progress-text {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap
}

.chat-progress-pct {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-color);
  min-width: 40px;
  text-align: right
}

/* Input Dock */
.input-dock {
  padding: 18px var(--chat-shell-padding);
  background: var(--bg-surface);
  position: relative;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, .02);
  z-index: 5
}

.input-dock .input-wrapper {
  max-width: var(--chat-shell-max-width);
  margin: 0 auto;
}

.input-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-surface);
  outline: none;
  transition: border-color .2s, box-shadow .2s
}

.input-wrapper:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(22, 100, 255, .08)
}

/* Typing Indicator */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 24px;
  background: var(--bg-hover, #f5f5f5);
  border-radius: 16px;
  width: fit-content
}

.typing-indicator span {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 4px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary, #999);
  animation: typingBounce 1.4s ease-in-out infinite
}

.typing-dot:nth-child(2) {
  animation-delay: .2s
}

.typing-dot:nth-child(3) {
  animation-delay: .4s
}

@keyframes typingBounce {

  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: .4
  }

  30% {
    transform: translateY(-8px);
    opacity: 1
  }
}

textarea {
  width: 100%;
  border: none;
  resize: none;
  padding: 16px 20px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
  outline: none;
  min-height: 80px;
  max-height: 200px;
  overflow-y: auto
}

textarea::placeholder {
  color: var(--text-tertiary)
}

/* Right Panel */
.right-panel {
  flex: 0 0 var(--panel-width);
  width: var(--panel-width);
  max-width: var(--panel-width);
  min-width: var(--panel-width);
  background: var(--bg-surface);
  border-left: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  box-shadow: -12px 0 32px rgba(15, 23, 42, .04);
  z-index: 10
}

.panel-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px 0 12px;
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  z-index: 2
}

.panel-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary)
}

.panel-content {
  flex: 1;
  width: 100%;
  min-width: 0;
  padding: 16px 12px 20px
}

/* Panel Tabs */
.panel-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 12px;
}

.panel-tab {
  flex: 1;
  text-align: center;
  padding: 10px 6px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.panel-tab:hover {
  color: var(--primary-color);
  background: var(--bg-hover);
}

.panel-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
  width: 100%;
  min-width: 0;
}

.tab-content.active {
  display: block;
  width: 100%;
  min-width: 0;
}

.test-center-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 24px;
}

.test-center-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.test-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.test-mode-card {
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: var(--bg-surface);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  color: var(--text-primary);
}

.test-mode-card:hover {
  border-color: rgba(22, 100, 255, .28);
  box-shadow: 0 10px 24px rgba(22, 100, 255, .08);
  transform: translateY(-1px);
}

.test-mode-card.active {
  border-color: rgba(22, 100, 255, .4);
  background: linear-gradient(180deg, rgba(22, 100, 255, .05), rgba(22, 100, 255, .01));
  box-shadow: 0 14px 28px rgba(22, 100, 255, .08);
}

.test-mode-card strong {
  font-size: 15px;
}

.test-mode-card span:last-child {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}

.test-mode-kicker {
  font-size: 11px;
  color: var(--primary-color);
  font-weight: 700;
  letter-spacing: .04em;
}

.test-center-summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
}

.test-center-summary-right {
  text-align: right;
}

.test-center-summary-label {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.test-center-summary-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}

.test-center-summary-desc,
.test-center-summary-required,
.test-center-summary-sync {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.test-center-summary-required {
  font-weight: 600;
  color: var(--text-primary);
}

.test-center-summary-sync {
  margin-top: 6px;
}

.test-center-advanced-shell {
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: var(--bg-surface);
  overflow: hidden;
}

.test-center-advanced-shell summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.test-center-advanced-shell summary::-webkit-details-marker {
  display: none;
}

.test-center-advanced-shell[open] summary {
  border-bottom: 1px solid var(--border-light);
}

.test-center-advanced-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  padding: 16px 18px 18px;
}

.test-center-advanced-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.test-center-advanced-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.test-center-config-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.test-center-advanced-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.test-center-advanced-hint {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.compare-model-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}

.compare-variant-controls {
  display: grid;
  grid-template-columns: auto minmax(160px, 220px) minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-hover);
}

.compare-variant-hint {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
}

.compare-model-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 8px 10px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-surface);
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.compare-model-row:hover {
  background: var(--bg-hover);
}

.compare-model-row.is-selected {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary-color) 24%, transparent);
}

.compare-model-row.is-thinking-unsupported {
  opacity: .76;
}

.compare-model-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 3px;
}

.compare-model-name {
  overflow: hidden;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compare-model-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--text-tertiary);
  font-size: 11px;
  line-height: 1.3;
}

.compare-thinking-badge {
  padding: 1px 6px;
  border: 1px solid color-mix(in srgb, var(--success-color, #10b981) 34%, var(--border-light));
  border-radius: 999px;
  color: var(--success-color, #10b981);
  white-space: nowrap;
}

.compare-thinking-badge.is-muted {
  border-color: var(--border-light);
  color: var(--text-tertiary);
}

.compare-thinking-select {
  min-height: 28px;
  padding: 3px 8px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
}

.compare-thinking-select:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.fc-thinking-select {
  min-height: 28px;
  max-width: 86px;
  padding: 3px 6px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 12px;
}

.fc-thinking-select:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.freechat-conversation-modal {
  width: min(980px, 94vw);
  max-height: 88vh;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-surface);
  box-shadow: 0 18px 42px rgba(15, 23, 42, .18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.freechat-conversation-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.freechat-conversation-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 700;
}

.freechat-conversation-meta {
  margin-top: 4px;
  color: var(--text-tertiary);
  font-size: 12px;
}

.freechat-conversation-close {
  border: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.freechat-conversation-body {
  padding: 16px 18px;
  overflow-y: auto;
  display: grid;
  gap: 12px;
}

.freechat-conversation-turn {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-hover);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.freechat-conversation-turn-head {
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
}

.freechat-conversation-message {
  border-radius: 8px;
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  font-size: 13px;
}

.freechat-conversation-message.user {
  background: var(--bg-user-bubble);
}

.freechat-conversation-message.ai {
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
}

.freechat-conversation-empty {
  padding: 28px;
  color: var(--text-tertiary);
  text-align: center;
}

.freechat-conversation-actions {
  padding: 12px 18px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg-surface);
}

.tc-tab-content-wrapper {
  min-width: 0;
}

.tc-tab-content {
  display: none;
}

.tc-tab-content.active {
  display: block;
}

/* Test Center Split-Panel 双栏布局 */
.tc-split-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.tc-split-left {
  flex: 3 1 0%;
  min-width: 400px;
}

.tc-split-left > div:first-child {
  max-width: none !important;
}

.tc-split-right {
  flex: 2 1 0%;
  min-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tc-right-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  padding: 40px 24px;
  border: 2px dashed var(--border-light);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(22,100,255,.02), transparent);
  color: var(--text-tertiary);
  text-align: center;
  gap: 12px;
  transition: all .3s ease;
}

.tc-right-empty-icon {
  font-size: 36px;
  opacity: .45;
}

.tc-right-empty-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.tc-right-empty-text {
  font-size: 12px;
  line-height: 1.7;
  max-width: 280px;
}

/* 右栏结果卡片标题 */
.tc-right-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

/* 窄屏回退单列 */
@media (max-width: 1100px) {
  .tc-split-layout {
    flex-direction: column;
  }
  .tc-split-left {
    min-width: 0;
  }
  .tc-split-right {
    min-width: 0;
  }
}

.form-group {
  margin-bottom: 20px
}

.group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center
}

.form-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px
}

.form-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px
}

.form-control {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: border-color .2s;
  outline: none;
  width: 100%
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(22, 100, 255, .1)
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px
}

.generation-card {
  display: grid;
  gap: 16px;
  padding: 14px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(22, 100, 255, .03) 0%, rgba(22, 100, 255, .01) 100%);
}

.generation-card.compact {
  gap: 14px;
  padding: 16px;
}

.generation-preset-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  background: var(--bg-hover);
}

.generation-preset-btn {
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 10px;
  cursor: pointer;
  transition: all .2s ease;
}

.generation-preset-btn.active {
  background: var(--bg-surface);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.generation-slider-row {
  display: grid;
  gap: 8px;
}

.generation-slider-label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 0;
}

.generation-help {
  color: var(--text-tertiary);
  cursor: help;
  font-size: 12px;
}

.generation-slider-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 12px;
  align-items: center;
}

.generation-range {
  width: 100%;
  height: 4px;
  accent-color: var(--primary-color);
}

.generation-number-group {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px 28px;
  gap: 6px;
  align-items: stretch;
}

.generation-number-input {
  text-align: center;
  padding: 8px 6px;
}

.generation-adjust-btn {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.generation-adjust-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

@media (max-width: 1366px) {
  .generation-slider-control {
    grid-template-columns: 1fr;
  }
}

/* Accordion */
.accordion {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px
}

.accordion-header {
  padding: 12px 16px;
  background: var(--bg-body);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 1px solid transparent
}

.accordion.open .accordion-header {
  border-bottom-color: var(--border-light)
}

.accordion-content {
  display: none;
  padding: 16px
}

.accordion.open .accordion-content {
  display: block
}

.chevron {
  transition: transform .2s
}

.accordion.open .chevron {
  transform: rotate(180deg)
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px
}

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

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border-light);
  transition: .2s;
  border-radius: 20px
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background: #fff;
  transition: .2s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .1)
}

input:checked+.slider {
  background: var(--primary-color)
}

input:checked+.slider:before {
  transform: translateX(16px)
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: #fff
}

.btn-primary:hover {
  filter: brightness(1.1)
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-secondary)
}

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

.btn-danger {
  background: var(--danger-color);
  color: #fff
}

.btn-danger:hover {
  filter: brightness(.9)
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap
}

.chat-actions-row {
  align-items: center;
  justify-content: flex-start;
  flex-wrap: nowrap;
  overflow-x: auto;
  margin-top: 0;
  padding: 12px var(--chat-shell-padding);
}

.chat-actions-row .btn {
  flex: 0 0 auto;
}

/* Preset Cards */
.preset-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px
}

.preset-card {
  min-width: 180px;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(247, 249, 252, .96))
}

.preset-card:hover {
  border-color: var(--primary-color);
  background: #f0f5ff
}

.preset-card.selected {
  border-color: var(--primary-color);
  background: #e8f3ff;
  box-shadow: 0 0 0 2px rgba(22, 100, 255, .15)
}

.preset-card .preset-name {
  font-weight: 600;
  font-size: 14px
}

.preset-card .preset-type {
  font-size: 12px;
  color: var(--text-tertiary)
}

.preset-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.preset-card-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.preset-card-delete {
  border: 1px solid rgba(220, 38, 38, .18);
  background: rgba(255, 245, 245, .96);
  color: var(--danger-color);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all .2s ease;
}

.preset-card-delete:hover {
  border-color: rgba(220, 38, 38, .35);
  background: rgba(254, 226, 226, .96);
}

/* Toast */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  animation: slideIn .3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity .3s ease
}

.toast.success {
  border-left: 3px solid var(--success-color)
}

.toast.error {
  border-left: 3px solid var(--danger-color)
}

.toast.info {
  border-left: 3px solid var(--primary-color)
}

.toast.warning {
  border-left: 3px solid var(--warning-color)
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px)
  }

  to {
    opacity: 1;
    transform: translateX(0)
  }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary)
}

.empty-state .title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px
}

/* History Table */
.history-page-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.history-page-tab {
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 4px;
}

.history-page-tab.active {
  border-bottom-color: var(--primary-color);
  color: var(--primary-color);
}

.run-history-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-surface);
}

.run-history-title {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 700;
}

.run-history-subtitle,
.run-history-status {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.6;
}

.run-history-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

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

#run-history-limit {
  width: 86px;
}

.run-history-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.run-history-empty,
.run-history-card {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-surface);
}

.run-history-empty {
  padding: 24px;
  color: var(--text-tertiary);
  text-align: center;
}

.run-history-card {
  padding: 14px 16px;
}

.run-history-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.run-history-card-title {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
}

.run-history-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  color: var(--text-tertiary);
  font-size: 12px;
}

.run-history-id {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.run-history-summary {
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 13px;
}

.run-history-snapshot summary {
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.run-history-snapshot pre {
  max-height: 260px;
  margin: 8px 0 0;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.history-table {
  width: 100%;
  border-collapse: collapse
}

.history-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 12px;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-light)
}

.history-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px
}

.history-actions-cell {
  white-space: nowrap;
}

.history-row-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
  min-width: 0;
}

.history-row-actions .btn {
  flex: 0 0 auto;
}

.history-table tr:hover {
  background: var(--bg-hover)
}

.history-records-table {
  table-layout: fixed;
}

.history-records-table th,
.history-records-table td {
  vertical-align: middle;
}

.history-records-table .history-col-select,
.history-records-table .history-select-cell {
  width: 44px;
}

.history-records-table .history-col-time,
.history-records-table .history-time-cell {
  width: 128px;
}

.history-records-table .history-col-prompt,
.history-records-table .history-prompt-cell {
  width: 16%;
}

.history-records-table .history-col-role,
.history-records-table .history-role-cell {
  width: 132px;
}

.history-records-table .history-col-model,
.history-records-table .history-model-cell {
  width: 96px;
}

.history-records-table .history-col-turns,
.history-records-table .history-turns-cell {
  width: 52px;
}

.history-records-table .history-col-score,
.history-records-table .history-score-cell {
  width: 92px;
}

.history-records-table .history-col-status,
.history-records-table .history-status-cell {
  width: 108px;
}

.history-records-table .history-col-actions,
.history-records-table .history-actions-cell {
  width: 228px;
}

.history-records-table .history-prompt-cell,
.history-records-table .history-role-cell,
.history-records-table .history-model-cell {
  overflow: hidden;
}

.history-records-table .history-text-ellipsis {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-records-table .history-score-stack,
.history-records-table .history-state-stack {
  display: grid;
  gap: 4px;
}

.history-records-table .history-score-main {
  font-weight: 600;
}

.history-records-table .history-score-sub,
.history-records-table .history-state-detail {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.45;
}

.history-records-table .history-state-detail {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-records-table .history-actions-cell {
  position: relative;
  overflow: visible;
}

.history-records-table .history-row-actions {
  gap: 6px;
}

.history-records-table .history-row-actions .btn {
  min-width: 0;
  padding-left: 12px;
  padding-right: 12px;
}

.history-records-table .history-row-menu {
  position: relative;
  flex: 0 0 auto;
}

.history-records-table .history-row-menu summary {
  list-style: none;
}

.history-records-table .history-row-menu summary::-webkit-details-marker {
  display: none;
}

.history-records-table .history-row-menu > summary.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.history-records-table .history-row-menu > summary.history-row-menu-trigger {
  min-width: 40px;
  width: 40px;
  padding-left: 0;
  padding-right: 0;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
}

.history-records-table .history-row-menu > summary.btn::after {
  content: "▾";
  font-size: 10px;
  opacity: .72;
  transition: transform .16s ease;
}

.history-records-table .history-row-menu > summary.history-row-menu-trigger::after {
  display: none;
}

.history-records-table .history-row-menu[open] > summary.btn::after {
  transform: rotate(180deg);
}

.history-records-table .history-row-menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 12;
  min-width: 172px;
  padding: 8px;
  display: grid;
  gap: 6px;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.history-records-table .history-row-menu-panel .btn {
  width: 100%;
  justify-content: center;
}

.status-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600
}

.status-completed {
  background: var(--status-success-bg);
  color: var(--success-color)
}

.status-running {
  background: var(--status-info-bg);
  color: var(--primary-color)
}

.status-queued {
  background: var(--status-info-bg);
  color: var(--primary-color)
}

.status-paused {
  background: var(--status-warning-bg);
  color: #b45309
}

.status-cancelled {
  background: var(--status-muted-bg);
  color: var(--text-secondary)
}

.status-interrupted {
  background: var(--status-warning-bg);
  color: var(--warning-color)
}

.status-failed {
  background: var(--status-danger-bg);
  color: var(--danger-color)
}

.status-pending {
  background: var(--status-muted-bg);
  color: var(--text-tertiary)
}

.status-scoring-failed {
  background: var(--status-warning-bg);
  color: #b45309
}

.status-scored {
  background: var(--status-success-bg);
  color: var(--success-color);
}

.status-unscored {
  background: var(--status-warning-bg);
  color: var(--warning-color);
}

/* Debug */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700
}

.badge-info {
  background: rgba(22, 100, 255, .1);
  color: var(--primary-color)
}

.badge-warning {
  background: rgba(255, 125, 0, .1);
  color: var(--warning-color)
}

.badge-success {
  background: rgba(0, 180, 42, .1);
  color: var(--success-color)
}

.badge-danger {
  background: rgba(245, 63, 63, .1);
  color: var(--danger-color)
}

.debug-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.debug-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.debug-view-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: var(--bg-hover);
}

.debug-view-tab {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.debug-view-tab.active {
  background: var(--bg-surface);
  color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(22, 100, 255, .08);
}

.debug-view-panel {
  min-width: 0;
}

.debug-json-pre {
  margin: 0;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: var(--bg-hover);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  line-height: 1.65;
  max-height: 480px;
  overflow: auto;
}

.debug-request-sections {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.debug-request-card {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: var(--bg-hover);
}

.debug-request-card h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.debug-request-list {
  display: grid;
  gap: 6px;
}

.debug-request-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  font-size: 12px;
  line-height: 1.6;
}

.debug-request-row span:first-child {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.debug-request-row strong {
  color: var(--text-primary);
  text-align: right;
  word-break: break-word;
}

.debug-request-pre {
  margin: 0;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  line-height: 1.65;
  max-height: 180px;
  overflow: auto;
}

.debug-request-empty {
  font-size: 12px;
  color: var(--text-tertiary);
}

.msg-item {
  border-bottom: 1px solid var(--border-light);
  cursor: pointer
}

.msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px
}

.msg-chevron {
  font-size: 10px;
  color: var(--text-tertiary);
  transition: transform .2s
}

.msg-item.expanded .msg-chevron {
  transform: rotate(90deg)
}

.msg-role {
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600
}

.msg-role.system {
  background: rgba(134, 144, 156, .15);
  color: var(--text-secondary)
}

.msg-role.user {
  background: rgba(22, 100, 255, .1);
  color: var(--primary-color)
}

.msg-role.assistant {
  background: rgba(0, 180, 42, .15);
  color: var(--success-color)
}

.msg-tokens {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-left: auto
}

.msg-body {
  display: none;
  padding: 16px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
  color: var(--text-secondary);
  max-height: 400px;
  overflow-y: auto
}

.msg-item.expanded .msg-body {
  display: block
}

.trim-bar {
  display: flex;
  gap: 2px;
  margin-top: 6px
}

.trim-seg {
  width: 20px;
  height: 6px;
  border-radius: 2px;
  background: var(--border-light)
}

.trim-seg.active {
  background: var(--success-color)
}

.trim-seg.high {
  background: var(--warning-color)
}

.trim-seg.critical {
  background: var(--danger-color)
}

/* Scoring */
.score-header {
  text-align: center;
  margin-bottom: 24px
}

.score-big {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), #4f8cff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent
}

.score-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start
}

.radar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px;
  text-align: center
}

.score-cards {
  display: flex;
  flex-direction: column;
  gap: 12px
}

.score-diagnostics {
  margin-bottom: 16px;
}

.score-diagnostics-report {
  margin-bottom: 14px;
}

.score-diagnostics-shell {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-surface);
  padding: 14px;
  display: grid;
  gap: 12px;
}

.score-diagnostics-shell.compact {
  padding: 12px;
  background: var(--bg-hover);
}

.score-diagnostics-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.score-diagnostics-title,
.score-diagnostic-section-title,
.score-evidence-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.score-diagnostics-subtitle {
  margin-top: 3px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.score-diagnostics-status {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.score-diagnostics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, .75fr);
  gap: 12px;
}

.score-diagnostic-section {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.score-cluster-list,
.score-failure-list {
  display: grid;
  gap: 8px;
}

.score-cluster-card,
.score-diagnostic-row,
.score-filter-clear {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: pointer;
}

.score-diagnostics-shell.is-readonly .score-cluster-card,
.score-diagnostics-shell.is-readonly .score-diagnostic-row,
.score-diagnostics-shell.is-readonly .score-evidence-item {
  cursor: default;
}

.score-cluster-card,
.score-diagnostic-row {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  text-align: left;
  min-height: 44px;
}

.score-diagnostics-shell:not(.is-readonly) .score-cluster-card:hover,
.score-diagnostics-shell:not(.is-readonly) .score-diagnostic-row:hover,
.score-diagnostics-shell:not(.is-readonly) .score-evidence-item:hover,
.score-cluster-card.active {
  border-color: var(--primary-subtle-border);
  background: var(--primary-subtle-bg);
  color: var(--text-primary);
}

.score-cluster-title {
  font-size: 13px;
  font-weight: 700;
}

.score-cluster-meta,
.score-cluster-turns,
.score-diagnostic-row small,
.score-evidence-excerpt,
.score-evidence-muted,
.score-diagnostic-empty,
.score-filter-empty {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.55;
}

.score-diagnostic-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.score-diagnostic-row span:first-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.score-diagnostic-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--danger-color);
}

.score-filter-clear {
  width: fit-content;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--primary-color);
}

.score-filter-empty,
.score-diagnostic-empty {
  padding: 12px;
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  background: var(--bg-hover);
}

.score-evidence-chain {
  display: grid;
  gap: 8px;
}

.score-evidence-chain.is-empty {
  padding-top: 10px;
}

.score-evidence-item {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 9px 10px;
  background: var(--bg-hover);
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
  text-align: left;
}

button.score-evidence-item {
  width: 100%;
  cursor: pointer;
}

.score-evidence-meta,
.score-evidence-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-secondary);
}

.score-evidence-chip {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--status-info-bg);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 700;
}

.score-evidence-chip.is-danger {
  background: var(--status-danger-bg);
  color: var(--danger-color);
}

.score-turn-card {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow: hidden;
  transition: all .2s
}

.score-turn-card:hover {
  box-shadow: var(--shadow-sm)
}

.score-turn-card.low-score-turn {
  border-color: rgba(245, 63, 63, .45);
  box-shadow: 0 0 0 1px rgba(245, 63, 63, .08)
}

.score-turn-card.low-score-active {
  box-shadow: 0 0 0 3px rgba(245, 63, 63, .16)
}

.score-turn-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer
}

.low-score-history td {
  background: rgba(245, 63, 63, .03)
}

.score-turn-title {
  font-weight: 600
}

.score-turn-total {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-color)
}

.score-toggle {
  background: none;
  border: none;
  font-size: 12px;
  color: var(--text-tertiary);
  cursor: pointer
}

.score-dims {
  display: none;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 0 16px 12px
}

.score-turn-card.expanded .score-dims {
  display: grid
}

.score-dim {
  text-align: center;
  padding: 8px 4px;
  background: var(--bg-hover);
  border-radius: 6px
}

.score-dim .dim-val {
  font-size: 20px;
  font-weight: 700
}

.score-dim .dim-label {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px
}

.score-reasoning {
  display: none;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
  white-space: pre-wrap
}

.score-turn-card.expanded .score-reasoning {
  display: block
}

.score-progress-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--border-light);
  overflow: hidden;
  margin-top: 8px
}

.score-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), #4f8cff);
  border-radius: 3px;
  transition: width .3s
}

/* Page Switch */
.page {
  display: none !important;
}

.page.active {
  display: block !important;
  animation: fadeIn .3s ease
}

#page-chat.active,
#page-freechat.active {
  display: flex !important;
}

/* Responsive */
@media(max-width:1024px) {
  .test-mode-grid,
  .test-center-advanced-grid {
    grid-template-columns: 1fr
  }

  .test-center-summary {
    flex-direction: column
  }

  .test-center-summary-right {
    text-align: left
  }

  .score-layout {
    grid-template-columns: 1fr
  }

  .score-diagnostics-grid {
    grid-template-columns: 1fr;
  }

  .score-diagnostics-header {
    flex-direction: column;
  }
}

@media(max-width:768px) {
  .workspace-header {
    flex-wrap: wrap;
    height: auto;
    min-height: var(--header-height);
    padding: 8px 12px;
    gap: 8px;
  }

  .header-left,
  .header-right {
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-model-shell {
    min-width: 0;
  }

  #chat-top-tools {
    flex-wrap: wrap;
  }

  .sidebar {
    width: var(--sidebar-collapsed)
  }

  .sidebar .nav-text,
  .sidebar .nav-label,
  .sidebar .sidebar-title {
    opacity: 0
  }

  .sidebar .history-list {
    display: none
  }

  .role-variable-editor-row-head {
    flex-direction: column;
  }

  .role-variable-editor-status {
    justify-content: flex-start;
    text-align: left;
  }

  .role-variable-editor-summary-card,
  .role-variable-editor-readonly {
    flex-direction: column;
  }

  .role-variable-editor-summary-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }

  100% {
    background-position: 200px 0;
  }
}

/* 分段控制器容器 */
.tc-segmented {
  display: inline-flex;
  background: var(--bg-hover);
  border-radius: 8px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 24px;
}

/* 分段项 */
.tc-segmented .tc-seg-item {
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 选中态 */
.tc-segmented .tc-seg-item.active {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

/* 悬停态 */
.tc-segmented .tc-seg-item:not(.active):hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}

/* ═══════════════════════════════════════
   修复方案追加样式 (P0-P3)
   ═══════════════════════════════════════ */

/* P0-4: 动画减弱 (WCAG 2.3.3) */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* P1-5: 表单验证状态 */
.form-control.is-error {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(245, 63, 63, .08);
}

.form-control.is-error:focus-visible {
  outline-color: var(--danger-color);
}

.form-control.is-success {
  border-color: var(--success-color);
}

.form-error {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--danger-color);
  font-size: 12px;
  margin-top: 4px;
  line-height: 1.4;
}

.form-error::before {
  content: '⚠';
  font-size: 14px;
}

/* P1-9: 触控目标合规 (≥44px) */
#chat-top-tools .btn {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* P2-12: 骨架屏 */
.skeleton {
  background: linear-gradient(90deg,
      var(--bg-hover) 25%, #eaeef3 50%, var(--bg-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: 6px;
}

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

.skeleton-text.w-60 {
  width: 60%;
}

.skeleton-text.w-80 {
  width: 80%;
}

.skeleton-card {
  height: 64px;
  margin-bottom: 8px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* P2-13: 折叠态图标Tooltip */
.sidebar.collapsed .nav-item {
  position: relative;
}

.sidebar.collapsed .nav-item::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--text-primary);
  color: var(--bg-surface);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 100;
}

.sidebar.collapsed .nav-item:hover::after {
  opacity: 1;
}

/* P2-14: 按钮微交互 */
.btn {
  transition: all 0.15s ease-out;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.05s;
}

.btn-primary:hover {
  box-shadow: 0 4px 12px rgba(22, 100, 255, .25);
}

.send-fab {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 999px;
  justify-content: center;
  padding: 0;
  font-size: 18px;
  line-height: 1
}

/* P1-7: 内联style抽取为可复用类 */
.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-col-gap-12 {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-surface-overlay, rgba(0, 0, 0, 0.5));
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-box {
  background: var(--bg-surface);
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  z-index: 10;
}

.modal-body {
  padding: 24px;
}

.runtime-prompt-editor-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.runtime-prompt-editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.92fr);
  gap: 18px;
  min-height: 0;
  flex: 1;
}

.runtime-prompt-editor-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.runtime-prompt-editor-textarea {
  min-height: 380px;
  max-height: 58vh;
  resize: vertical;
  overflow-y: auto;
  flex: 0 0 auto;
  padding: 16px 18px;
  border-radius: 16px;
  line-height: 1.65;
}

.prompt-editor-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
}

.prompt-editor-sidebar-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px;
  border: 1px solid rgba(226, 232, 240, 0.96);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(248, 250, 252, .98));
  box-shadow: 0 14px 32px rgba(15, 23, 42, .06);
}

.prompt-editor-sidebar-section-fixed {
  flex: 0 0 auto;
  position: relative;
  z-index: 1;
  overflow: visible;
}

.prompt-editor-sidebar-section-fill {
  flex: 1 1 0;
  min-height: 0;
  overflow: hidden;
}

.prompt-editor-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: .02em;
}

.runtime-prompt-editor-vars-shell {
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.runtime-prompt-editor-vars-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.runtime-prompt-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex: 0 0 auto;
}

.role-variable-editor-shell {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.role-variable-editor-summary {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 252, 0.98));
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.role-variable-editor-summary-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.role-variable-editor-summary-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.role-variable-editor-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.role-variable-editor-legend-pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.role-variable-editor-legend-pill.is-auto {
  background: #dbeafe;
  color: #1d4ed8;
}

.role-variable-editor-legend-pill.is-manual {
  background: #ede9fe;
  color: #6d28d9;
}

.role-variable-editor-legend-pill.is-missing {
  background: #fee2e2;
  color: #b91c1c;
}

.role-variable-editor-legend-pill.is-optional {
  background: #ecfccb;
  color: #4d7c0f;
}

.role-variable-editor-help {
  border-top: 1px dashed rgba(148, 163, 184, 0.36);
  padding-top: 10px;
}

.role-variable-editor-help summary {
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.role-variable-editor-help summary::-webkit-details-marker {
  display: none;
}

.role-variable-editor-help-copy {
  margin-top: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.role-variable-editor {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.role-variable-editor-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
}

.role-variable-editor-group-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 0;
}

.role-variable-editor-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(249, 250, 252, 0.98));
}

.role-variable-editor-row:first-of-type {
  padding-top: 14px;
}

.role-variable-editor-row-head {
  display: flex;
  justify-content: space-between;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.role-variable-editor-chip {
  --chip-color: #6b7280;
  --chip-bg: #f8fafc;
  --chip-border: #dbe4ef;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-wrap: nowrap;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  width: fit-content;
  max-width: 100%;
}

.role-variable-editor-chip.is-missing {
  --chip-color: #b91c1c;
  --chip-bg: #fff1f2;
  --chip-border: #fecaca;
}

.role-variable-editor-chip.is-auto {
  border-style: dashed;
}

.role-variable-editor-chip-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--chip-color);
  text-align: left;
  line-height: 1.2;
  white-space: nowrap;
}

.role-variable-editor-token {
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: color-mix(in srgb, var(--chip-color) 84%, #1f2937 16%);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  padding: 2px 8px;
}

.role-variable-editor-status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1;
  text-align: right;
  flex: 0 0 auto;
}

.role-variable-editor-status.is-missing {
  color: #b91c1c;
}

.role-variable-editor-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .01em;
  background: #ede9fe;
  color: #6d28d9;
  white-space: nowrap;
}

.role-variable-editor-status-pill.is-auto {
  background: #dbeafe;
  color: #1d4ed8;
}

.role-variable-editor-status-pill.is-manual {
  background: #ede9fe;
  color: #6d28d9;
}

.role-variable-editor-status-pill.is-missing {
  background: #fee2e2;
  color: #b91c1c;
}

.role-variable-editor-status-pill.is-optional {
  background: #ecfccb;
  color: #4d7c0f;
}

.role-variable-editor-control.is-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.role-variable-editor-summary-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(248, 250, 252, 0.96);
}

.role-variable-editor-summary-card.is-pending {
  background: linear-gradient(90deg, rgba(241, 245, 249, 0.92), rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.92));
}

.role-variable-editor-summary-card.is-missing {
  border-color: #fecaca;
  background: #fff7f7;
}

.role-variable-editor-summary-card.is-auto {
  border-style: dashed;
}

.role-variable-editor-summary-value {
  min-width: 0;
  flex: 1;
  font-size: 12px;
  color: var(--text-primary);
  line-height: 1.75;
  white-space: pre-wrap;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.role-variable-editor-summary-value.is-empty {
  color: var(--text-secondary);
}

.role-variable-editor-summary-value.is-pending::after {
  content: "";
  display: block;
  width: 100%;
  height: 12px;
  margin-top: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(226, 232, 240, 0.6), rgba(255, 255, 255, 0.95), rgba(226, 232, 240, 0.6));
  animation: shimmer 1s linear infinite;
}

.role-variable-editor-summary-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.role-variable-editor-inline-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: 999px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
}

.role-variable-editor-inline-btn:hover {
  border-color: rgba(22, 100, 255, 0.28);
  color: var(--primary-color);
  background: rgba(22, 100, 255, 0.06);
}

.role-variable-editor-textarea-wrap {
  display: none;
}

.role-variable-editor-textarea-wrap.is-open {
  display: block;
}

.role-variable-editor-textarea {
  width: 100%;
  min-height: 120px;
  max-height: 240px;
  padding: 12px 14px;
  border: 1px solid rgba(203, 213, 225, 0.92);
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
  background: #fff;
  resize: vertical;
}

.role-variable-editor-readonly {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.role-variable-editor-readonly-copy {
  flex-shrink: 0;
}

.role-variable-editor-control {
  min-width: 0;
  width: 100%;
}

.role-variable-editor-input,
.role-variable-editor-select {
  display: block;
  width: 100%;
  min-width: 0;
  height: 44px;
  font-size: 14px;
  border-radius: 12px;
  padding: 0 14px;
}

.role-variable-editor-input.is-readonly {
  background: var(--bg-hover);
  color: var(--text-secondary);
  cursor: default;
}

.variable-preview-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

.variable-preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.variable-preview-toolbar-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.variable-preview-segmented {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  background: var(--bg-hover);
  gap: 4px;
}

.variable-preview-segmented-btn {
  min-height: 28px;
  padding: 0 12px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.variable-preview-segmented-btn.active {
  background: #fff;
  color: var(--primary-color);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.08);
}

.variable-preview-group-title {
  margin: 4px 0 2px;
  padding-bottom: 6px;
  border-bottom: 1px solid;
  font-size: 12px;
  font-weight: 700;
}

.variable-preview-chip {
  --chip-color: #6b7280;
  --chip-bg: #f8fafc;
  --chip-border: #dbe4ef;
  min-width: 0;
  width: fit-content;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72);
  transition: transform .18s ease, box-shadow .18s ease;
}

.variable-preview-chip:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, .08);
}

.variable-preview-chip.is-auto {
  border-style: dashed;
}

.variable-preview-chip.is-overridden {
  box-shadow: inset 0 0 0 1px var(--chip-color);
}

.variable-preview-chip.is-missing {
  box-shadow: none;
}

.variable-preview-chip-name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--chip-color);
  text-align: left;
}

.variable-preview-chip-token {
  font-size: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: color-mix(in srgb, var(--chip-color) 84%, #1f2937 16%);
  background: rgba(255, 255, 255, .74);
  border-radius: 999px;
  padding: 2px 8px;
  line-height: 1.2;
}

.variable-preview-chip-state {
  font-size: 10px;
  line-height: 1.45;
  color: var(--text-secondary);
  text-align: left;
}

.variable-preview-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
}

.variable-preview-row.is-missing {
  border: 1px solid #fecaca;
  background: #fff7f7;
}

.variable-preview-label-wrap {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.variable-preview-input {
  width: 100%;
  height: 44px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  border-radius: 12px;
  padding: 0 14px;
}

.variable-preview-footer {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.variable-preview-empty {
  padding: 14px;
  border: 1px dashed rgba(148, 163, 184, 0.46);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.9);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.confirm-modal-card {
  width: min(420px, 92vw);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(249, 250, 251, .98));
  box-shadow: 0 20px 40px rgba(15, 23, 42, .16);
  overflow: hidden;
}

.confirm-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-light);
}

.confirm-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.confirm-modal-close {
  border: none;
  background: none;
  color: var(--text-tertiary);
  font-size: 20px;
  cursor: pointer;
}

.confirm-modal-body {
  padding: 18px 20px 10px;
}

.confirm-modal-message {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.6;
}

.confirm-modal-note {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.6;
}

.confirm-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 20px 18px;
}

/* P3-15: 大屏适配 */
@media (min-width: 1440px) {
  :root {
    --chat-shell-max-width: 1160px;
    --chat-shell-outer-max-width: 1280px;
  }
}

@media (min-width: 1600px) {
  :root {
    --panel-width: 420px;
  }
}

@media (max-width: 1200px) {
  .runtime-prompt-editor-layout {
    grid-template-columns: 1fr;
  }

  .prompt-editor-aside {
    order: 2;
  }

  .runtime-prompt-editor-textarea {
    max-height: 42vh;
  }

  .role-variable-editor-row {
    gap: 12px;
  }
}

@media (max-width: 1280px) {
  body.right-panel-open .main-workspace {
    padding-right: var(--panel-overlay-width);
  }

  .right-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--panel-overlay-width);
    max-width: var(--panel-overlay-width);
    min-width: var(--panel-overlay-width);
    height: 100vh;
    border-left: 1px solid rgba(226, 232, 240, 0.92);
    box-shadow: -24px 0 48px rgba(15, 23, 42, 0.14);
    z-index: 120;
  }
}

/* ---- 批量重打分行级状态 ---- */
.history-row-scoring td {
  background: rgba(99, 102, 241, 0.045);
  transition: background .3s;
}

@keyframes historyRowScoreDone {
  0%   { background: rgba(34, 197, 94, 0.18); }
  100% { background: transparent; }
}
.history-row-score-done td {
  animation: historyRowScoreDone 1.6s ease-out forwards;
}

@keyframes historyRowScoreFail {
  0%   { background: rgba(245, 63, 63, 0.14); }
  100% { background: transparent; }
}
.history-row-score-fail td {
  animation: historyRowScoreFail 1.6s ease-out forwards;
}

.score-chip-scoring {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--primary-color);
  animation: scoringChipPulse 1.4s ease-in-out infinite;
}
@keyframes scoringChipPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.score-chip-unscored {
  font-size: 11px;
  color: var(--text-tertiary);
  font-style: italic;
}

.batch-rescore-spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid var(--border-light);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: batchRescoreSpin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes batchRescoreSpin {
  to { transform: rotate(360deg); }
}

/* ---- 批量重打分浮动进度条 ---- */
.batch-rescore-float-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  min-width: 420px;
  max-width: min(680px, 92vw);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 12px 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  color: #f1f5f9;
  animation: batchFloatEnter .3s ease-out;
}
@keyframes batchFloatEnter {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.batch-rescore-float-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  margin-top: 10px;
  overflow: hidden;
}
.batch-rescore-float-fill {
  height: 100%;
  background: linear-gradient(90deg, #818cf8, #a78bfa);
  border-radius: 999px;
  transition: width .4s ease;
}

/* ---- 评分快速筛选 Pill ---- */
.score-quick-filter-btn {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  transition: background .15s, color .15s, border-color .15s;
}
.score-quick-filter-btn.active {
  background: var(--primary-color, #6366f1);
  color: #fff;
  border-color: var(--primary-color, #6366f1);
}