/* 
 * 认知偏好探索者 · Editorial Warm Design System
 * 遵循 Anthropic-Inspired Style System 与 Modern Web Guidance 规范
 */

:root {
  /* MANDATORY (animate-to-intrinsic-sizes): Enable transitions to intrinsic sizing keywords */
  interpolate-size: allow-keywords;

  --bg: #f7f5f2;
  --bg-elevated: #f1ede7;
  --surface: #fffdf9;
  --surface-muted: #f3efe9;

  --text-primary: #1f1c18;
  --text-secondary: #4b443b;
  --text-muted: #746a5d;

  --border-subtle: #e6ded3;
  --border-default: #d8cebf;

  --accent: #c96442;
  --accent-hover: #b25536;
  --accent-soft: #f5dfd6;

  --success: #2f6b4f;
  --success-soft: #e4f0ea;
  --warning: #9a6a24;
  --warning-soft: #f7ecdc;
  --danger: #a13d34;

  --font-serif: "Iowan Old Style", "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --font-sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  /* MANDATORY (typography): Unitless line-height for relative scaling */
  line-height: 1.6;
  text-align: start;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

/* 顶部栏 */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.brand-lockup:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: var(--text-primary);
  color: var(--surface);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
}

.brand-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.brand-subtitle {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.status-pill .dot {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--warning);
}

.status-pill.is-ready .dot {
  background: var(--success);
}

/* 开场介绍卡片 */
.intro-card,
.question-card,
.report-header-card,
.report-body-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.hero-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  /* MANDATORY (typography): Fluid typography combining rem and vw in clamp() */
  font-size: clamp(1.65rem, 1.2rem + 2vw, 2.35rem);
  line-height: 1.25;
  /* MANDATORY (typography): Balanced headline wrapping on unboxed heading */
  text-wrap: balance;
}

.hero-lead {
  margin: 0 0 2rem;
  max-width: 68ch;
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-wrap: pretty;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.principle-item {
  background: var(--surface-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.principle-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.principle-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-wrap: pretty;
}

.intro-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
}

.intro-footnote {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 按钮系统 */
button {
  font-family: inherit;
  cursor: pointer;
  /* 消除移动端双击缩放延迟与点按高亮 */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.35rem;
  background: var(--accent);
  color: #fffdf9;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  font-weight: 600;
  transition: background-color 0.16s ease-out, transform 0.12s ease-out;
}

@media (hover: hover) {
  .btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
  }
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-large {
  min-height: 3.1rem;
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.6rem;
  padding: 0.55rem 1.1rem;
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background-color 0.15s ease-out, border-color 0.15s ease-out;
}

@media (hover: hover) {
  .btn-secondary:hover:not(:disabled) {
    background: var(--surface-muted);
    border-color: var(--text-muted);
  }
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.5rem;
  padding: 0.4rem 0.75rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

@media (hover: hover) {
  .btn-ghost:hover:not(:disabled) {
    background: var(--bg-elevated);
    color: var(--text-primary);
  }
}

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

button:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 题目顶部进度区 */
.question-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.progress-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.slot-counter {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.02rem;
}

.scene-tag {
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.budget-chip {
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.25s ease-out;
}

/* Jev 实时反馈条 */
.jev-toast {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  margin-bottom: 1rem;
  background: var(--accent-soft);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-primary);
}

.jev-badge {
  padding: 0.15rem 0.5rem;
  background: var(--accent);
  color: #fffdf9;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

/* 题目正文中区 */
.question-prompt {
  margin: 0 0 1.5rem;
  max-width: 72ch;
  font-family: var(--font-serif);
  font-size: clamp(1.18rem, 1.05rem + 0.6vw, 1.4rem);
  line-height: 1.5;
  color: var(--text-primary);
  text-wrap: pretty;
}

.options-comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.option-display-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.2rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease-out, background-color 0.15s ease-out;
}

.option-display-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border-default);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--accent);
}

.option-text {
  margin: 0;
  font-size: 0.98rem;
  color: var(--text-primary);
  text-wrap: pretty;
}

/* 4档无中点偏向主选择栏 */
.lean-bar-label {
  margin: 0 0 0.55rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.lean-buttons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-bottom: 1.15rem;
}

@media (max-width: 640px) {
  .lean-buttons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lean-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-height: 3.2rem;
  padding: 0.65rem 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background-color 0.15s ease-out, border-color 0.15s ease-out, transform 0.1s ease-out;
}

@media (hover: hover) {
  .lean-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--accent);
  }
}

.lean-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fffdf9;
}

.lean-btn-sub {
  font-size: 0.74rem;
  font-weight: 400;
  color: var(--text-muted);
}

.lean-btn.is-active .lean-btn-sub {
  color: #fbece6;
}

/* 底部三枚逃生芯片行 */
.escape-chips-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--border-subtle);
}

.escape-chip-label {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-right: 0.2rem;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2.5rem;
  padding: 0.42rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border-default);
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--text-secondary);
  transition: background-color 0.15s ease-out, border-color 0.15s ease-out;
}

@media (hover: hover) {
  .chip-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-color: var(--text-muted);
  }
}

.chip-btn.is-active {
  background: var(--text-primary);
  color: var(--surface);
  border-color: var(--text-primary);
}

/* 可展开抽屉：遵循 animate-to-intrinsic-sizes 规范 */
.expandable-drawer {
  block-size: 0;
  overflow: hidden;
  opacity: 0;
  transition: block-size 0.25s ease-out, opacity 0.2s ease-out;
}

.expandable-drawer.is-expanded {
  block-size: auto;
  opacity: 1;
}

/* 澄清子面板与自定义补充输入框 */
.clarify-box,
.custom-note-box {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  background: var(--bg);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
}

.clarify-title {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.clarify-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.clarify-opt-btn {
  text-align: start;
  padding: 0.65rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: border-color 0.14s ease-out, background-color 0.14s ease-out;
}

@media (hover: hover) {
  .clarify-opt-btn:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
  }
}

/* 自适应输入框：遵循 form-fields-automatically-fit-contents 规范 */
textarea.auto-fit-textarea {
  field-sizing: content;
  height: auto;
  width: 100%;
  min-block-size: 3lh;
  max-block-size: 10lh;
  padding: 0.75rem 0.9rem;
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.55;
  resize: vertical;
}

.custom-note-trigger-row {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.custom-note-actions {
  margin-top: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
}

/* 主观题与懒人速选卡 */
.subjective-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.lazy-section {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px dashed var(--border-default);
}

.lazy-section-title {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.lazy-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.lazy-card-btn {
  text-align: start;
  padding: 0.85rem 1rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.89rem;
  line-height: 1.5;
  color: var(--text-primary);
  transition: border-color 0.15s ease-out, background-color 0.15s ease-out;
}

@media (hover: hover) {
  .lazy-card-btn:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
  }
}

.lazy-card-btn.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

/* 第 30 题盲测画像对比卡 */
.portrait-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.portrait-card {
  text-align: start;
  padding: 1.2rem;
  background: var(--surface-muted);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease-out, background-color 0.15s ease-out;
}

.portrait-card.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.portrait-card h4 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text-primary);
}

.portrait-card p {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.portrait-blindspot {
  padding-top: 0.55rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.84rem !important;
  color: var(--text-muted) !important;
}

/* 底部证据账本透视抽屉 */
.inspector-bar {
  margin-top: 1.25rem;
}

.inspector-inner {
  margin-top: 0.65rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
}

.func-bars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.func-bar-item {
  background: var(--bg);
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
}

.func-bar-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
}

.func-bar-track {
  height: 5px;
  background: var(--border-subtle);
  border-radius: 999px;
  overflow: hidden;
}

.func-bar-fill {
  height: 100%;
  background: var(--accent);
}

/* 报告视图 */
.report-header-card {
  margin-bottom: 1.5rem;
}

.type-hero-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.type-badge-large {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
}

.stack-pills-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.stack-pill {
  padding: 0.35rem 0.75rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.stack-pill strong {
  font-family: var(--font-mono);
  color: var(--accent);
}

[hidden] {
  display: none !important;
}

.report-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1rem;
}

.spinner {
  width: 2.2rem;
  height: 2.2rem;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
  margin-bottom: 1rem;
}

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

.report-markdown {
  max-width: 72ch;
  margin: 0 auto;
}

.report-markdown h2 {
  margin: 2rem 0 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.report-markdown h3 {
  margin: 1.35rem 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.report-markdown p,
.report-markdown li {
  color: var(--text-primary);
  text-wrap: pretty;
}

.report-markdown blockquote {
  margin: 0.85rem 0;
  padding: 0.65rem 1rem;
  background: var(--surface-muted);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

.report-markdown code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 0.12rem 0.38rem;
  background: var(--bg-elevated);
  border-radius: 4px;
}

.report-footer-actions {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
}

/* 访问密钥弹窗 */
.access-dialog {
  width: min(22rem, calc(100vw - 2rem));
  padding: 1.5rem;
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.access-dialog::backdrop {
  background: rgb(31 28 24 / 0.45);
}

.access-dialog form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.access-dialog h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
}

.access-dialog p {
  margin: 0;
  font-size: 0.88rem;
}

.access-dialog input {
  min-height: 2.75rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  /* 不小于 16px，避免 iOS 聚焦时自动放大页面 */
  font-size: 1rem;
}

.access-error {
  color: var(--danger);
}

/* 手机竖屏适配 */
@media (max-width: 640px) {
  .app-shell {
    padding: 0.85rem 0.75rem calc(2.5rem + env(safe-area-inset-bottom));
  }

  .top-header {
    padding-bottom: 0.85rem;
    margin-bottom: 1rem;
  }

  .brand-subtitle,
  .header-badges {
    display: none;
  }

  .intro-card,
  .question-card,
  .report-header-card,
  .report-body-card {
    padding: 1.25rem 1rem;
  }

  .hero-lead {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .principles-grid {
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .principle-item {
    padding: 1rem;
  }

  .intro-actions {
    align-items: stretch;
  }

  .question-prompt {
    margin-bottom: 1.1rem;
  }

  .options-comparison-grid,
  .portrait-grid {
    gap: 0.75rem;
    margin-bottom: 1.1rem;
  }

  .option-display-card,
  .portrait-card {
    padding: 0.9rem 1rem;
  }

  .escape-chip-label {
    flex-basis: 100%;
  }

  .chip-btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  /* iOS 输入框字号低于 16px 会在聚焦时放大页面 */
  textarea.auto-fit-textarea {
    font-size: 1rem;
  }

  .report-markdown h2 {
    font-size: 1.2rem;
  }
}

/* 方向性视图过渡：遵循 directional-navigation-transitions 规范 */
@keyframes slide-to-left {
  to {
    transform: translateX(-18px);
    opacity: 0;
  }
}

@keyframes slide-from-right {
  from {
    transform: translateX(18px);
    opacity: 0;
  }
}

@keyframes slide-to-right {
  to {
    transform: translateX(18px);
    opacity: 0;
  }
}

@keyframes slide-from-left {
  from {
    transform: translateX(-18px);
    opacity: 0;
  }
}

::view-transition-group(root) {
  animation: 0.22s ease-out both;
}

html:active-view-transition-type(forward)::view-transition-old(root) {
  animation-name: slide-to-left;
}

html:active-view-transition-type(forward)::view-transition-new(root) {
  animation-name: slide-from-right;
}

html:active-view-transition-type(backward)::view-transition-old(root) {
  animation-name: slide-to-right;
}

html:active-view-transition-type(backward)::view-transition-new(root) {
  animation-name: slide-from-left;
}

/* 无障碍减动效支持 */
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(root),
  .expandable-drawer,
  .progress-fill,
  .btn-primary,
  .lean-btn {
    animation: none !important;
    transition: none !important;
  }
}