/* ==========================================================================
   个人数字收藏馆 · 独立杂志排印设计系统 (styles.css)
   设计方向：Editorial × Private Archive × Digital Library
   特征：克制、雅致、排印驱动、无过度阴影、双色主题平滑渐变、高级微动效
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌 (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* 基础排印字体栈 */
  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "STSong", "SimSun", Georgia, "Baskerville", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Roboto Mono", Menlo, Monaco, Consolas, monospace;

  /* 尺度与圆角（克制的小圆角与锐利网格） */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-full: 9999px;

  /* 动效节奏 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* 浅色主题令牌 (暖象牙白纸张与墨黑印染) */
  --bg-page: #F6F4EE;
  --bg-surface: #FCFBF8;
  --bg-subtle: #EFECE3;
  --bg-hover: #E8E5DC;
  
  --text-main: #24251F;
  --text-muted: #66685F;
  --text-faint: #989A90;
  
  --color-accent: #3F523E;         /* 沉静橄榄墨绿 */
  --color-accent-soft: #EBF0E9;
  --color-accent-hover: #2E3E2D;
  --color-bookmark: #B8621B;       /* 典藏书签赭石金 */
  --color-bookmark-soft: #FBF3EB;

  --border-hairline: #E2DFD4;      /* 极细纸张纤维分隔线 */
  --border-card: #E5E1D6;
  --border-focus: #3F523E;

  --shadow-subtle: 0 1px 2px rgba(36, 37, 31, 0.03);
  --shadow-lift: 0 10px 24px -4px rgba(36, 37, 31, 0.08), 0 2px 6px -1px rgba(36, 37, 31, 0.04);
  --shadow-glow: 0 0 0 3px rgba(63, 82, 62, 0.12), 0 4px 16px rgba(36, 37, 31, 0.05);
}

/* 深色主题令牌 (炭黑书封与柔和纸页) */
[data-theme="dark"] {
  --bg-page: #171815;
  --bg-surface: #20211D;
  --bg-subtle: #292B25;
  --bg-hover: #32352E;
  
  --text-main: #EDEAE1;
  --text-muted: #A3A49C;
  --text-faint: #6E7067;
  
  --color-accent: #8FA887;         /* 柔和鼠尾草灰绿 */
  --color-accent-soft: #242E22;
  --color-accent-hover: #A6C09E;
  --color-bookmark: #D9883E;
  --color-bookmark-soft: #2E251B;

  --border-hairline: #2B2D26;
  --border-card: #30332B;
  --border-focus: #8FA887;

  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-lift: 0 12px 28px -4px rgba(0, 0, 0, 0.55), 0 3px 8px -1px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 0 3px rgba(143, 168, 135, 0.22), 0 4px 20px rgba(0, 0, 0, 0.45);
}

/* --------------------------------------------------------------------------
   2. 基础重置、主题渐变与排印排版 (Base & Typography)
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

/* 昼夜模式平滑色彩渐变适配 */
body,
.archive-wrapper,
.top-colophon-bar,
.category-index-nav,
.entry-card,
.search-box-frame,
.index-tab-item,
.quiet-empty-state,
.colophon-footer,
.card-emblem,
.tab-badge-num {
  transition: background-color var(--transition-smooth),
              border-color var(--transition-smooth),
              color var(--transition-smooth),
              box-shadow var(--transition-smooth);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* 焦点无障碍支持 */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* 容器布局 */
.archive-wrapper {
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* --------------------------------------------------------------------------
   3. 顶部细导航条 (Colophon Bar)
   -------------------------------------------------------------------------- */
.top-colophon-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-hairline);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.colophon-mark {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.12em;
}

.colophon-divider {
  color: var(--border-hairline);
}

.colophon-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 主题切换开关 */
.theme-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  will-change: transform;
}

.theme-switch-btn:hover {
  color: var(--text-main);
  border-color: var(--border-focus);
  background-color: var(--bg-subtle);
  transform: translateY(-1px);
}

.theme-switch-btn:active {
  transform: translateY(0) scale(0.97);
}

.theme-icon {
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   4. 编辑式刊头 (Masthead Header)
   -------------------------------------------------------------------------- */
.editorial-masthead {
  padding: 42px 0 28px;
  border-bottom: 2px solid var(--text-main);
  margin-bottom: 24px;
}

.masthead-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.masthead-issue {
  display: flex;
  align-items: center;
  gap: 8px;
}

.issue-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background-color: var(--color-accent);
  border-radius: 50%;
  animation: pulseGentle 3s ease-in-out infinite;
}

@keyframes pulseGentle {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.85);
  }
}

.masthead-headline {
  font-family: var(--font-serif);
  font-size: 2.375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.2;
  margin-bottom: 10px;
}

.masthead-epigraph {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-muted);
  font-style: italic;
  max-width: 680px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   5. 核心搜索区域 (Search Indexing)
   -------------------------------------------------------------------------- */
.archive-search-section {
  margin-bottom: 28px;
}

.search-box-frame {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xs);
  padding: 10px 16px;
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-fast), box-shadow var(--transition-normal);
}

/* 搜索框聚焦低饱和柔光外轮廓 */
.search-box-frame:focus-within {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
}

.search-glyph {
  font-size: 0.875rem;
  color: var(--text-faint);
  margin-right: 12px;
  user-select: none;
  transition: color var(--transition-fast);
}

.search-box-frame:focus-within .search-glyph {
  color: var(--color-accent);
}

.archive-search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--text-main);
  outline: none;
}

.archive-search-input::placeholder {
  color: var(--text-faint);
  font-family: var(--font-serif);
  font-style: italic;
}

.search-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 12px;
}

.btn-clear-search {
  background: none;
  border: none;
  font-size: 0.875rem;
  color: var(--text-faint);
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.btn-clear-search:hover {
  color: var(--text-main);
  background-color: var(--bg-subtle);
}

.kbd-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-hairline);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  user-select: none;
}

/* --------------------------------------------------------------------------
   6. 分类与藏目导航 (Index Tabs)
   -------------------------------------------------------------------------- */
.category-index-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: var(--bg-page);
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 28px;
}

.index-tabs-rail {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.index-tabs-rail::-webkit-scrollbar {
  display: none;
}

.index-tab-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all var(--transition-fast);
  will-change: transform;
}

.index-tab-item:hover {
  color: var(--text-main);
  background-color: var(--bg-subtle);
}

.index-tab-item:active {
  transform: scale(0.97);
}

.index-tab-item.active {
  color: var(--text-main);
  background-color: var(--bg-surface);
  border-color: var(--border-card);
  font-weight: 600;
  box-shadow: var(--shadow-subtle);
}

.tab-badge-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  background-color: var(--bg-subtle);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast);
}

.index-tab-item.active .tab-badge-num {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   7. 搜索状态提示 (Status Banner)
   -------------------------------------------------------------------------- */
.search-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--bg-surface);
  border-left: 3px solid var(--color-accent);
  border-top: 1px solid var(--border-hairline);
  border-right: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  animation: barSlideIn 0.28s var(--transition-normal);
}

@keyframes barSlideIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-status-bar strong {
  color: var(--text-main);
}

.btn-reset-filter {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.btn-reset-filter:hover {
  color: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   8. 典藏专栏板块 (Archive Sections)
   -------------------------------------------------------------------------- */
.archive-section {
  margin-bottom: 40px;
}

.section-masthead-rule {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-hairline);
  margin-bottom: 18px;
}

.section-heading-group {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 700;
}

.section-title-text {
  font-family: var(--font-serif);
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.section-desc-text {
  font-size: 0.8125rem;
  color: var(--text-faint);
  margin-left: 4px;
}

.section-count-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-clear-visits {
  background: none;
  border: 1px solid var(--border-hairline);
  padding: 3px 8px;
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--text-faint);
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.btn-clear-visits:hover {
  color: #DC2626;
  border-color: #FCA5A5;
  background-color: var(--bg-surface);
}

/* --------------------------------------------------------------------------
   9. 网站网格与书目卡片 (Editorial Grid & Cards)
   -------------------------------------------------------------------------- */
.entries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}

/* 卡片按顺序错峰渐入动画 */
@keyframes cardStaggerFadeIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xs);
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-subtle);
  overflow: hidden;

  /* 初始错峰进场动画 */
  animation: cardStaggerFadeIn 0.36s var(--transition-normal) both;
  animation-delay: calc(var(--stagger-idx, 0) * 32ms);

  /* 悬停微位移与平滑弥散阴影 */
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.2s ease,
              box-shadow 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform, box-shadow;
}

/* 鼠标微光泽纸张质感层 */
.entry-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(360px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.45), transparent 75%);
}

[data-theme="dark"] .entry-card::after {
  background: radial-gradient(360px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.06), transparent 75%);
}

/* 悬停卡片纸张微抬升与弥散阴影 */
.entry-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lift);
}

.entry-card:hover::after {
  opacity: 1;
}

/* 卡片顶部印记与书签 */
.card-masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.card-emblem {
  position: relative;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-subtle);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
  overflow: hidden;
  transition: transform var(--transition-fast), background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.emblem-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  display: block;
  border-radius: 2px;
}

/* 有图片时隐藏文本字母徽标 */
.emblem-img + .emblem-fallback-text {
  display: none;
}

.emblem-fallback-text {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* 深色主题下给图标底色用浅色（#F6F4EE），避免 GitHub、Vercel、Hark 等暗黑图标无法辨识 */
[data-theme="dark"] .card-emblem {
  background-color: #F6F4EE;
  border-color: #E2DFD4;
}

[data-theme="dark"] .card-emblem .emblem-fallback-text {
  color: #24251F;
}

.entry-card:hover .card-emblem {
  transform: scale(1.04);
}

.card-titles {
  min-width: 0;
}

.card-title-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.entry-card:hover .card-title-text {
  color: var(--color-accent);
}

.card-domain-slug {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  letter-spacing: 0.03em;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 收藏书签微弹性动效 */
@keyframes bookmarkSpring {
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.24);
  }
  75% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
  }
}

.btn-bookmark {
  background: none;
  border: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
  flex-shrink: 0;
  z-index: 2;
  will-change: transform;
}

.btn-bookmark:hover {
  color: var(--color-bookmark);
  background-color: var(--color-bookmark-soft);
  transform: scale(1.08);
}

.btn-bookmark:active {
  transform: scale(0.85);
}

.btn-bookmark.anim-spring {
  animation: bookmarkSpring 0.42s var(--ease-spring) both;
}

.btn-bookmark.bookmarked {
  color: var(--color-bookmark);
}

.btn-bookmark svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* 卡片简述摘要 */
.card-synopsis {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  min-height: 2.45em;
}

/* 卡片底部底栏与外链微冲刺 */
.card-bottom-rail {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px dotted var(--border-hairline);
  font-size: 0.6875rem;
}

.card-tag-pill {
  font-family: var(--font-sans);
  color: var(--text-faint);
  background-color: var(--bg-subtle);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.entry-card:hover .card-tag-pill {
  color: var(--text-muted);
}

/* 外链箭头右上微冲刺动效 */
.card-jump-mark {
  font-family: var(--font-mono);
  color: var(--text-faint);
  display: inline-block;
  transition: transform 0.22s var(--ease-spring), color 0.2s ease;
  will-change: transform;
}

.entry-card:hover .card-jump-mark {
  color: var(--color-accent);
  transform: translate(3px, -3px);
}

/* --------------------------------------------------------------------------
   10. 典雅空状态 (Quiet Empty State)
   -------------------------------------------------------------------------- */
.quiet-empty-state {
  text-align: center;
  padding: 64px 24px;
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-hairline);
  border-radius: var(--radius-xs);
  margin: 20px 0;
  animation: emptyFadeIn 0.3s var(--transition-normal);
}

@keyframes emptyFadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.empty-state-symbol {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.empty-state-headline {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.empty-state-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 20px;
}

.btn-empty-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--text-main);
  color: var(--bg-page);
  border: none;
  padding: 7px 18px;
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-empty-action:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-empty-action:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   11. 刊末页脚 (Colophon Footer)
   -------------------------------------------------------------------------- */
.colophon-footer {
  margin-top: auto;
  padding: 36px 0 48px;
  border-top: 1px solid var(--border-hairline);
  font-size: 0.75rem;
  color: var(--text-faint);
  line-height: 1.8;
}

.footer-inner-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.footer-quote {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-muted);
}

.footer-shortcuts-line {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

/* --------------------------------------------------------------------------
   12. 响应式适配与媒体查询 (Responsive & A11y)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .archive-wrapper {
    padding: 0 18px;
  }

  .editorial-masthead {
    padding: 28px 0 20px;
  }

  .masthead-headline {
    font-size: 1.75rem;
  }

  .masthead-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .entries-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .section-desc-text {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   13. 书架整理与拖动排序专属设计 (Arrange Shelf & Drag-and-Drop)
   -------------------------------------------------------------------------- */

/* 顶部栏整理开关激活态 */
.arrange-switch-btn.active {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

[data-theme="dark"] .arrange-switch-btn.active {
  background-color: var(--color-accent);
  color: #171815;
  border-color: var(--color-accent);
}

.arrange-switch-btn.active:hover {
  background-color: var(--color-accent-hover);
  color: #FFFFFF;
}

/* 整理操作横条 (Arrange Mode Toolbar) */
.arrange-toolbar {
  margin-bottom: 24px;
  background-color: var(--bg-surface);
  border: 1px dashed var(--color-accent);
  border-radius: var(--radius-xs);
  padding: 12px 18px;
  animation: barSlideIn 0.25s var(--transition-normal);
}

.arrange-toolbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.arrange-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.arrange-badge {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

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

.btn-arrange-action {
  background: var(--bg-page);
  border: 1px solid var(--border-hairline);
  padding: 5px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-arrange-action:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-focus);
}

.btn-arrange-action.btn-arrange-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
  font-weight: 600;
}

[data-theme="dark"] .btn-arrange-action.btn-arrange-primary {
  color: #171815;
}

.btn-arrange-action.btn-arrange-primary:hover {
  background-color: var(--color-accent-hover);
}

/* 整理模式卡片外观与轻微抖动动效 */
@keyframes cardJiggle {
  0% {
    transform: rotate(-0.35deg) translateY(0);
  }
  100% {
    transform: rotate(0.35deg) translateY(-1px);
  }
}

.arrange-mode .entry-card {
  cursor: grab;
  cursor: -webkit-grab;
  border: 1px dashed var(--color-accent);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  animation: cardJiggle 0.3s ease-in-out infinite alternate !important;
}

.arrange-mode .entry-card:nth-child(even) {
  animation-direction: alternate-reverse !important;
  animation-duration: 0.34s !important;
}

/* 整理模式下彻底关闭悬停光泽、悬停位移与外链箭头冲刺 */
.arrange-mode .entry-card::after {
  display: none !important;
  opacity: 0 !important;
}

.arrange-mode .entry-card:hover {
  transform: none !important;
  box-shadow: var(--shadow-subtle) !important;
  border-color: var(--color-accent) !important;
}

.arrange-mode .entry-card:hover .card-jump-mark,
.arrange-mode .entry-card:hover .card-emblem {
  transform: none !important;
}

/* 拖拽中的卡片：跟手、纸质微放大、浓重弥散阴影 */
.entry-card.is-dragging {
  cursor: grabbing !important;
  cursor: -webkit-grabbing !important;
  animation: none !important;
  transform: scale(1.03) !important;
  box-shadow: 0 16px 36px -4px rgba(36, 37, 31, 0.2), 0 6px 14px -2px rgba(36, 37, 31, 0.12) !important;
  border-color: var(--color-accent) !important;
  opacity: 0.96;
  z-index: 9999 !important;
}

[data-theme="dark"] .entry-card.is-dragging {
  box-shadow: 0 18px 40px -4px rgba(0, 0, 0, 0.7), 0 8px 16px -2px rgba(0, 0, 0, 0.4) !important;
}

/* 原位置纸张色占位符 */
.entry-placeholder {
  background-color: var(--bg-subtle);
  border: 2px dashed var(--color-accent);
  border-radius: var(--radius-xs);
  box-sizing: border-box;
  opacity: 0.75;
  min-height: 120px;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 键盘操作选中的卡片高亮标识 */
.entry-card.is-keyboard-picked {
  outline: 2px solid var(--color-accent) !important;
  outline-offset: 3px !important;
  border-color: var(--color-accent) !important;
  box-shadow: var(--shadow-lift) !important;
  transform: scale(1.02) !important;
  animation: none !important;
}

/* 严格尊重减弱动效用户偏好 (Accessibility First) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .entry-card:hover {
    transform: none !important;
  }

  .card-jump-mark,
  .btn-bookmark {
    transform: none !important;
  }

  .arrange-mode .entry-card {
    animation: none !important;
  }

  .entry-placeholder,
  .entry-card {
    transition: none !important;
  }
}