/**
 * portal.css
 * Cloudflare Pages 静态主站门户核心统一样式表 v5.0
 * 包含：深色/浅色双主题变量、iPhone 风格 Liquid Glass 液态毛玻璃设计系统、响应式网格与组件库
 */

/* ============================================================
   1. 设计代币与深浅双主题变量系统 (Design Tokens)
   ============================================================ */

/* 默认浅色模式 (Light Mode) */
:root, html[data-theme="light"] {
  --bg-page: #F6F8FC;
  --bg-page-grad: radial-gradient(circle at top center, #EEF2FF 0%, #F6F8FC 100%);
  --card-bg: #FFFFFF;
  --card-border: rgba(0, 0, 0, 0.06);
  --text-main: #1D1D1F;
  --text-sub: #4B5563;
  --text-muted: #6B7280;
  --border-color: rgba(0, 0, 0, 0.08);
  --card-radius: 16px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 10px 28px rgba(99, 102, 241, 0.12);

  /* 品牌与强调色 */
  --primary: #6366F1;
  --primary-hover: #4F46E5;
  --primary-grad: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  --primary-light: rgba(99, 102, 241, 0.08);
  --accent-m2: #EC4899;
  --accent-m2-light: rgba(236, 72, 153, 0.08);
  --accent-green: #10B981;
  --accent-green-light: rgba(16, 185, 129, 0.1);
  --accent-amber: #F59E0B;
  --accent-amber-light: rgba(245, 158, 11, 0.1);

  /* 浅色 iPhone 风格 Liquid Glass 变量 */
  --glass-bg: rgba(255, 255, 255, 0.64);
  --glass-header-bg: rgba(255, 255, 255, 0.76);
  --glass-card-bg: rgba(255, 255, 255, 0.72);
  --glass-bg-subtle: rgba(99, 102, 241, 0.05);
  --glass-blur: blur(24px) saturate(190%);
  --glass-border: 1px solid rgba(255, 255, 255, 0.65);
  --glass-border-highlight: 1px solid rgba(255, 255, 255, 0.95);
  --glass-rim: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95), inset 0 -1px 1px 0 rgba(0, 0, 0, 0.04);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.07);
  --glass-shadow-hover: 0 14px 38px rgba(99, 102, 241, 0.16);

  /* 组件状态 */
  --btn-subtle-bg: rgba(0, 0, 0, 0.04);
  --btn-subtle-color: #374151;
  --input-bg: rgba(255, 255, 255, 0.85);
  --drawer-bg: rgba(255, 255, 255, 0.92);
  --theme-btn-bg: rgba(0, 0, 0, 0.05);
  --theme-btn-color: #4B5563;
}

/* 深色模式 (Dark Mode) - 支持 data-theme="dark" 与系统媒体查询兜底 */
html[data-theme="dark"] {
  --bg-page: #0B0B0E;
  --bg-page-grad: radial-gradient(circle at top center, #1E1B2E 0%, #0B0B0E 100%);
  --card-bg: #16161A;
  --card-border: rgba(255, 255, 255, 0.08);
  --text-main: #F3F4F6;
  --text-sub: #9CA3AF;
  --text-muted: #8E8E93;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(99, 102, 241, 0.3);

  /* 深色 iPhone 风格 Liquid Glass 变量 */
  --glass-bg: rgba(22, 22, 28, 0.65);
  --glass-header-bg: rgba(18, 18, 24, 0.78);
  --glass-card-bg: rgba(22, 22, 28, 0.70);
  --glass-bg-subtle: rgba(255, 255, 255, 0.06);
  --glass-blur: blur(24px) saturate(190%);
  --glass-border: 1px solid rgba(255, 255, 255, 0.14);
  --glass-border-highlight: 1px solid rgba(255, 255, 255, 0.35);
  --glass-rim: inset 0 1px 1px 0 rgba(255, 255, 255, 0.28), inset 0 -1px 1px 0 rgba(0, 0, 0, 0.5);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.42);
  --glass-shadow-hover: 0 14px 40px rgba(99, 102, 241, 0.35);

  /* 组件状态 */
  --btn-subtle-bg: rgba(255, 255, 255, 0.06);
  --btn-subtle-color: #E5E7EB;
  --input-bg: rgba(32, 32, 38, 0.85);
  --drawer-bg: rgba(22, 22, 28, 0.92);
  --theme-btn-bg: rgba(255, 255, 255, 0.08);
  --theme-btn-color: #FCD34D;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg-page: #0B0B0E;
    --bg-page-grad: radial-gradient(circle at top center, #1E1B2E 0%, #0B0B0E 100%);
    --card-bg: #16161A;
    --card-border: rgba(255, 255, 255, 0.08);
    --text-main: #F3F4F6;
    --text-sub: #9CA3AF;
    --text-muted: #8E8E93;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 8px 30px rgba(99, 102, 241, 0.3);

    --glass-bg: rgba(22, 22, 28, 0.65);
    --glass-header-bg: rgba(18, 18, 24, 0.78);
    --glass-card-bg: rgba(22, 22, 28, 0.70);
    --glass-bg-subtle: rgba(255, 255, 255, 0.06);
    --glass-blur: blur(24px) saturate(190%);
    --glass-border: 1px solid rgba(255, 255, 255, 0.14);
    --glass-border-highlight: 1px solid rgba(255, 255, 255, 0.35);
    --glass-rim: inset 0 1px 1px 0 rgba(255, 255, 255, 0.28), inset 0 -1px 1px 0 rgba(0, 0, 0, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.42);
    --glass-shadow-hover: 0 14px 40px rgba(99, 102, 241, 0.35);

    --btn-subtle-bg: rgba(255, 255, 255, 0.06);
    --btn-subtle-color: #E5E7EB;
    --input-bg: rgba(32, 32, 38, 0.85);
    --drawer-bg: rgba(22, 22, 28, 0.92);
    --theme-btn-bg: rgba(255, 255, 255, 0.08);
    --theme-btn-color: #FCD34D;
  }
}

/* 视口固定底层极光弥散光斑 (零性能开销，纯 CSS 极光玻璃反射引擎) */
.ambient-glow-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(85px);
  opacity: 0.45;
  pointer-events: none;
}

.ambient-orb-1 {
  width: 480px;
  height: 480px;
  top: -100px;
  left: -80px;
  background: radial-gradient(circle, #6366F1 0%, rgba(99, 102, 241, 0) 70%);
}

.ambient-orb-2 {
  width: 520px;
  height: 520px;
  top: 18%;
  right: -120px;
  background: radial-gradient(circle, #38BDF8 0%, rgba(56, 189, 248, 0) 70%);
}

.ambient-orb-3 {
  width: 440px;
  height: 440px;
  bottom: 8%;
  left: 15%;
  background: radial-gradient(circle, #EC4899 0%, rgba(236, 72, 153, 0) 70%);
}

html[data-theme="dark"] .ambient-orb {
  opacity: 0.30;
}

/* ============================================================
   2. 基础重置与排版规范
   ============================================================ */

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  margin: 0;
  padding: 0;
}

html {
  max-width: 100vw;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-page-grad);
  color: var(--text-main);
  line-height: 1.6;
  padding: 12px 14px 120px;
  padding-bottom: calc(115px + env(safe-area-inset-bottom, 0px));
  min-height: 100vh;
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
}

/* ============================================================
   3. Liquid Glass 核心容器与质感组件
   ============================================================ */

.liquid-glass-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-rim);
  border-radius: var(--card-radius);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.liquid-glass-pill {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-rim);
  border-radius: 999px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 渐进降级兜底 */
@supports not ((-webkit-backdrop-filter: none) or (backdrop-filter: none)) {
  .liquid-glass-panel,
  .liquid-glass-pill {
    background: var(--card-bg) !important;
    opacity: 0.98 !important;
    border-color: var(--border-color) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   4. 顶部导航栏、吸顶毛玻璃与分段切换控制器
   ============================================================ */

.sticky-glass-header {
  position: sticky;
  top: 8px;
  z-index: 1000;
  margin-bottom: 12px;
  padding: 6px 12px;
  background: var(--glass-header-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-rim);
  border-radius: 999px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-header {
  text-align: center;
  margin-bottom: 14px;
  padding: 2px 0 6px;
}

.top-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* 顶部顶层分段胶囊导航 (支持按钮模式与链接模式) */
.portal-nav-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  margin: 0 auto;
}

.portal-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-sub);
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.portal-nav-item:hover {
  color: var(--text-main);
  background: var(--glass-bg-subtle);
}

.portal-nav-item.active {
  color: #FFFFFF !important;
  background: var(--primary-grad);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

/* 主题切换按钮 */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: var(--glass-border);
  background: var(--theme-btn-bg);
  color: var(--theme-btn-color);
  font-size: 17px;
  flex-shrink: 0;
  transition: all 0.25s ease;
  user-select: none;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  border-color: var(--primary);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

.hero-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.4px;
  margin-bottom: 5px;
  line-height: 1.25;
}

.hero-sub {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.4;
  flex-wrap: wrap;
}

.hero-sub span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.wx-sub-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 4px 12px;
  min-height: 30px;
  border-radius: 8px;
  background: var(--accent-green-light);
  color: var(--accent-green);
  font-weight: 600;
  font-size: 12px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  transition: all 0.2s;
  user-select: none;
}

.wx-sub-item:hover {
  background: var(--accent-green);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.wx-sub-icon {
  width: 14px;
  height: 12px;
  fill: currentColor;
}

/* ============================================================
   5. 搜索与双维度筛选区 (Filter Bar & Chips)
   ============================================================ */

.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
  padding: 14px 16px;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 14px;
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: 10px;
  border: var(--glass-border);
  background: var(--input-bg);
  color: var(--text-main);
  font-size: 13.5px;
  outline: none;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-row-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 58px;
}

.chip-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}

.chip {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--glass-bg-subtle);
  border: var(--glass-border);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

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

.chip.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

/* ============================================================
   6. 资源网格与卡片系统 (Resource Grid & Cards)
   ============================================================ */

/* SPA 单页 Tab 视图与平滑过渡 */
.tab-view {
  animation: tabFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.singles-filter-rows {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: filterUnfold 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes filterUnfold {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.resource-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .resource-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

.collection-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: var(--glass-border);
  background: var(--glass-card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card), var(--glass-rim);
  border-radius: var(--card-radius);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s;
}

.collection-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(99, 102, 241, 0.3);
}

.coll-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  background: var(--glass-bg-subtle);
}

.date-badge {
  font-size: 11px;
  font-weight: 700;
  color: #FFFFFF;
  background: var(--primary-grad);
  padding: 2.5px 8px;
  border-radius: 5px;
  letter-spacing: 0.3px;
}

.coll-type-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--glass-bg-subtle);
  padding: 2.5px 8px;
  border-radius: 5px;
  border: var(--glass-border);
}

.coll-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.coll-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.35;
}

/* 相册缩略图横向滑动流 (合集专页使用 - 保持纯净单行并支持横向平滑滑动) */
.coll-gallery {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 2px 10px;
  margin-bottom: 8px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.coll-gallery::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.coll-thumb-wrap {
  width: 64px;
  height: 90px;
  aspect-ratio: 64 / 90;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  background: var(--glass-bg-subtle, #E5E7EB);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s;
}

.coll-thumb-wrap:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
}

.coll-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.25s ease;
}

.coll-thumb-wrap:hover .coll-thumb {
  transform: scale(1.08);
}

/* 单片卡片特有左右布局 (单片专页使用) */
.single-content-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.single-poster-wrap {
  width: 84px;
  height: 118px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16);
  background: #202026;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.single-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.single-info-col {
  flex: 1;
  min-width: 0;
}

.single-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.badge-size {
  font-size: 11px;
  font-weight: 700;
  color: #0369A1;
  background: #E0F2FE;
  padding: 2px 7px;
  border-radius: 5px;
}

html[data-theme="dark"] .badge-size {
  background: rgba(3, 105, 161, 0.25);
  color: #38BDF8;
}

.badge-tag {
  font-size: 11px;
  font-weight: 600;
  color: #6B21A8;
  background: #F3E8FF;
  padding: 2px 7px;
  border-radius: 5px;
}

html[data-theme="dark"] .badge-tag {
  background: rgba(107, 33, 168, 0.25);
  color: #C084FC;
}

.single-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 卡片底栏操作按钮组 */
.coll-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px 14px;
  background: var(--glass-bg-subtle);
  border-top: 1px solid var(--border-color);
}

.coll-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  user-select: none;
  text-align: center;
}

.btn-m1 {
  background: var(--btn-subtle-bg);
  color: var(--btn-subtle-color);
  border-color: var(--border-color);
}

.btn-m1:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  border-color: rgba(99, 102, 241, 0.3);
}

.btn-m2 {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.12), rgba(139, 92, 246, 0.12));
  color: #DB2777;
  border-color: rgba(236, 72, 153, 0.25);
}

html[data-theme="dark"] .btn-m2 {
  color: #F472B6;
}

.btn-m2:hover {
  background: linear-gradient(135deg, #EC4899, #8B5CF6);
  color: #FFFFFF;
}

.btn-ref-primary {
  background: var(--primary-grad);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-ref-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.45);
}

/* ============================================================
   7. 抽屉目录面板、悬浮 FAB 与 Toast 提示
   ============================================================ */

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 2147483645;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 330px;
  max-width: 86vw;
  background: var(--drawer-bg);
  z-index: 2147483646;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.2);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  -webkit-overflow-scrolling: touch;
}

.drawer-panel.active {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 14px;
}

.drawer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.drawer-close {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--btn-subtle-bg);
  border: var(--glass-border);
  font-size: 18px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.drawer-close:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.drawer-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 2px;
}

.drawer-item {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--glass-bg-subtle);
  border: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s;
}

.drawer-item:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.drawer-wechat-box {
  margin-top: 14px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.drawer-wechat-box:hover {
  background: rgba(16, 185, 129, 0.16);
}

.drawer-wechat-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 2px;
}

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

/* 浮动 FAB 按钮 */
.fab-nav {
  position: fixed;
  right: 18px;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 2147483644;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fab-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--glass-bg);
  color: var(--text-main);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 18px;
}

.fab-btn:hover {
  transform: scale(1.08);
  border-color: var(--primary);
  color: var(--primary);
}

.fab-btn-primary {
  background: var(--primary-grad);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* 1.5s Toast 提示框 */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(90px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(20px);
  z-index: 2147483647;
  background: rgba(17, 24, 39, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 9px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 6px;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 历史批次折叠栏 */
.history-toggle-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  margin: 18px auto 8px;
  max-width: 440px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  user-select: none;
}

.batch-archived {
  display: none !important;
}

.history-expanded .batch-archived {
  display: flex !important;
}

/* 空状态 */
.search-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px 20px;
  border-radius: var(--card-radius);
  border: 1px dashed var(--border-color);
  display: none;
}

/* 锚点定位脉冲高光 */
@keyframes pulseHighlight {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
  50% { box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.card-highlight {
  animation: pulseHighlight 1.5s ease-out;
  border-color: var(--primary) !important;
}