/* ============================================================
   KRONOS ZHOU · 应用下载快速重定向库 · 样式
   路径：knowledgelibrary/app-redirect/app-redirect.css
   ------------------------------------------------------------
   这个库用的是**卡片墙**（grid），不是列表页的横卡片：
   每张卡片 = 图标 + 中英文名 + 标签 + 描述 + （域名 / 复制链接 / 前往下载）。
   整张卡片可点，点了在新标签页打开官方站点。
   ============================================================ */

/* ⚠️ 覆盖 main-page.css 里 .app-root 的 grid 布局 */
html body .app-root {
  display: flex !important;
  flex-direction: column !important;
  height: auto !important;
  min-height: 100vh;
  grid-template-rows: none !important;
}

/* ============================================================
   [hidden] 兜底（重要，别删）
   ------------------------------------------------------------
   浏览器默认样式里的 [hidden] { display: none } 权重极低，
   下面 .app-dialog { display: flex } 这种规则能直接把它盖掉，
   于是「hidden 属性」就失效了（弹层会在打开页面时就露出来）。
   弹层与提示条都靠 hidden 切换，所以这条 !important 必须留着。
   ============================================================ */
[hidden] {
  display: none !important;
}

/* ============================================================
   页面标题
   ============================================================ */
.page-hero {
  margin: 1.6rem 0 1.6rem;
  padding: 2.4rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background:
    radial-gradient(circle at 20% 30%, rgba(45, 212, 191, 0.14), transparent 55%),
    radial-gradient(circle at 80% 70%, var(--accent-soft), transparent 55%),
    var(--bg-block);
  box-shadow: var(--shadow-block);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.04), transparent 40%);
  pointer-events: none;
}

.page-hero-title {
  font-family: 'Bahnschrift', 'Segoe UI Variable', 'Segoe UI', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: linear-gradient(120deg, var(--text-primary) 20%, #4fd1c5 120%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px var(--accent-glow);
  margin-bottom: 0.4rem;
}

.page-hero-subtitle {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.app-hero-desc {
  margin-top: 1rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 52rem;
}

.app-hero-tag {
  display: inline-block;
  margin-top: 1.1rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--accent-soft);
  color: var(--text-secondary);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

/* ============================================================
   工具栏：搜索 + 标签 + 重置 + 计数
   ============================================================ */
.app-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--bg-block);
  box-shadow: var(--shadow-block);
}

/* 搜索框 */
.app-search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 18rem;
  min-width: 14rem;
}

.app-search-icon {
  position: absolute;
  left: 0.9rem;
  font-size: 0.9rem;
  opacity: 0.7;
  pointer-events: none;
}

.app-search-input {
  width: 100%;
  padding: 0.62rem 2.4rem 0.62rem 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.9rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.app-search-input::placeholder {
  color: var(--text-muted);
}

.app-search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.app-search-clear {
  position: absolute;
  right: 0.6rem;
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease;
}

.app-search-clear:hover {
  color: var(--text-primary);
  background: var(--bg-block-hover);
}

/* 标签筛选 chip */
.app-tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease,
              transform 0.25s ease;
}

.app-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.app-chip.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.app-chip-count {
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.app-chip.active .app-chip-count {
  background: rgba(91, 141, 239, 0.25);
}

/* 重置 / 重新获取按钮 */
.app-reset,
.app-refresh {
  appearance: none;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.app-reset:hover,
.app-refresh:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.app-reset:active,
.app-refresh:active {
  transform: scale(0.97);
}

.app-refresh {
  border-color: rgba(91, 141, 239, 0.45);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.app-refresh::before {
  content: '⟳';
  margin-right: 0.3rem;
}

.app-count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 数据新鲜度状态行（占满整行，跟在工具栏下面） */
.app-data-status {
  flex: 1 1 100%;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--border-soft);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.app-data-status.warn {
  color: var(--warn);
}

/* ============================================================
   卡片墙
   ============================================================ */
.app-grid-section {
  margin-bottom: 2rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1rem;
}

/* ============================================================
   单张卡片
   ============================================================ */
.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.2rem 1.25rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--bg-block);
  box-shadow: var(--shadow-block);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.app-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.04), transparent 45%);
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.28s ease;
}

.app-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px var(--accent-soft), 0 16px 32px -14px var(--accent-glow);
}

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

.app-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 卡头：图标 + 名称 + 标签 */
.app-card-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  position: relative;
  z-index: 1;
}

.app-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--accent-soft);
  font-size: 1.7rem;
  flex-shrink: 0;
  transition: transform 0.28s ease;
}

.app-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card:hover .app-card-icon {
  transform: scale(1.06);
}

.app-card-titles {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.app-card-name {
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-card-name-en {
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 标签（与列表页同一套配色，类名换成 app-tag） */
.app-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.app-tag.tag-social {
  background: rgba(74, 222, 128, 0.12);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.app-tag.tag-tool {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(91, 141, 239, 0.35);
}

.app-tag.tag-media {
  background: rgba(168, 121, 240, 0.14);
  color: #b795f5;
  border: 1px solid rgba(168, 121, 240, 0.3);
}

.app-tag.tag-game {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warn);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.app-tag.tag-office {
  background: rgba(45, 212, 191, 0.13);
  color: #4fd1c5;
  border: 1px solid rgba(45, 212, 191, 0.3);
}

.app-tag.tag-dev {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.app-tag.tag-unknown {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border: 1px dashed var(--border-medium);
}

/* 描述 */
.app-card-desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
}

/* 卡脚：域名 + 入口数 + 「下载入口」 */
.app-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border-soft);
  position: relative;
  z-index: 1;
}

.app-card-host {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* 「N 个下载入口」小标签 */
.app-card-entries {
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.7rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.app-card-entries-none {
  color: var(--text-muted);
  border-style: dashed;
}

/* 卡片右下角的按钮（整卡都能点，它只是视觉引导） */
.app-card-open {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 20px -12px var(--accent-glow);
  transition: filter 0.25s ease, transform 0.25s ease;
}

.app-card:hover .app-card-open {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.app-card-open::after {
  content: '▾';
  font-size: 0.8rem;
}

/* ============================================================
   下载入口容器（点卡片弹出）
   ------------------------------------------------------------
   detail 条数不限：面板限高、列表在内部滚动，
   加到第 30 条也不会把页面撑破。
   ============================================================ */
.app-dialog {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
}

/* 容器开着的时候锁住背景滚动（窄屏尤其明显，不然会穿透滚动） */
html.app-dialog-open {
  overflow: hidden;
}

.app-dialog-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 12, 0.72);
  backdrop-filter: blur(3px);
}

.app-dialog-panel {
  position: relative;
  width: min(36rem, 100%);
  max-height: min(84vh, 44rem);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: var(--bg-panel-solid);
  box-shadow: var(--shadow-panel);
  animation: app-dialog-in 0.26s cubic-bezier(0.2, 0.9, 0.4, 1);
  overflow: hidden;
}

@keyframes app-dialog-in {
  from { transform: translateY(1rem) scale(0.98); opacity: 0.4; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.app-dialog-close {
  position: absolute;
  top: 0.75rem;
  right: 0.8rem;
  z-index: 2;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.app-dialog-close:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

/* 内容区：唯一会滚动的部分（无限条目的关键） */
.app-dialog-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.4rem 1.4rem 1.2rem;
}

.app-dialog-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding-right: 2.2rem;
}

.app-dialog-icon {
  width: 52px;
  height: 52px;
  border-radius: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--accent-soft);
  font-size: 1.7rem;
  flex-shrink: 0;
}

.app-dialog-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-dialog-titles {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.app-dialog-name {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.app-dialog-name-en {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.app-dialog-desc {
  margin: 0.9rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.app-dialog-sub {
  margin-top: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

/* ------------------------------------------------------------
   平台入口列表
   ------------------------------------------------------------ */
.app-detail-list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.app-detail-row {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) minmax(6rem, 1.2fr) auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: var(--bg-block);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.app-detail-row:hover {
  border-color: var(--accent);
  background: var(--bg-block-hover);
}

.app-detail-plat {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}

.app-detail-icon {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}

.app-detail-plat-name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-detail-ver {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-detail-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.app-detail-copy {
  appearance: none;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
  transition: var(--transition);
}

.app-detail-copy:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.app-detail-copy:active {
  transform: scale(0.96);
}

.app-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: filter 0.25s ease, transform 0.25s ease;
}

.app-detail-link:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* detail 还没填时的空状态 */
.app-detail-empty {
  margin-top: 0.9rem;
  padding: 1.4rem 1rem;
  text-align: center;
  font-size: 0.84rem;
  font-style: italic;
  color: var(--text-muted);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-sm);
}

.app-dialog-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-soft);
}

.app-dialog-home {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.25s ease;
}

.app-dialog-home:hover {
  border-bottom-color: var(--accent);
}

.app-dialog-home::after {
  content: '↗';
  font-size: 0.8rem;
}

.app-dialog-tip {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ============================================================
   空状态
   ============================================================ */
.app-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
  padding: 3rem 1rem;
  background: var(--bg-block);
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-md);
}

/* ============================================================
   说明区
   ============================================================ */
.app-note {
  margin-bottom: 2.4rem;
  padding: 1.1rem 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--bg-block);
  box-shadow: var(--shadow-block);
}

.app-note-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.app-note-text {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.app-note-text strong {
  color: var(--text-secondary);
}

.app-note-text code {
  padding: 0.05rem 0.35rem;
  border-radius: 0.35rem;
  border: 1px solid var(--border-soft);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 0.74rem;
}

.app-note-text + .app-note-text {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-soft);
}

/* ============================================================
   提示条
   ============================================================ */
.app-toast {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  transform: translate(-50%, 1rem);
  z-index: 80;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-medium);
  background: var(--bg-panel-solid);
  color: var(--text-primary);
  font-size: 0.82rem;
  box-shadow: var(--shadow-panel);
  opacity: 0;
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}

.app-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ============================================================
   页脚推到最底部
   ============================================================ */
.site-footer {
  margin-top: auto;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
  .page-hero {
    padding: 1.8rem 1.4rem;
  }

  .page-hero-title {
    font-size: 1.8rem;
  }

  .page-hero-subtitle {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
  }

  .app-toolbar {
    padding: 0.9rem 1rem;
  }

  .app-count {
    margin-left: 0;
    width: 100%;
  }

  /* 窄屏把容器落成底部抽屉：一行一个平台，字不挤在一起 */
  .app-dialog {
    align-items: flex-end;
    padding: 0;
  }

  .app-dialog-panel {
    width: 100%;
    max-height: 88vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    animation: app-dialog-up 0.26s cubic-bezier(0.2, 0.9, 0.4, 1);
  }

  @keyframes app-dialog-up {
    from { transform: translateY(100%); opacity: 0.6; }
    to { transform: translateY(0); opacity: 1; }
  }

  .app-detail-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.35rem 0.6rem;
  }

  .app-detail-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }
}

@media (max-width: 520px) {
  .app-grid {
    grid-template-columns: 1fr;
  }

  .app-card-icon {
    width: 46px;
    height: 46px;
    font-size: 1.5rem;
  }

  .app-card-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .app-dialog-body {
    padding: 1.2rem 1rem 1rem;
  }

  .app-detail-ver {
    white-space: normal;
  }
}