/* ============================================================
   ALLYOU 官网 · 更新日志页 changelog.css
   - 目录树（sticky 侧栏 / 移动端顶部横条）
   - 版本条目折叠展开（默认最新版展开，历史版收起）
   - 全部展开 / 全部收起工具栏
   ============================================================ */

/* ---------- 页头 ---------- */
.cl-hero {
  padding: calc(var(--nav-h) + 56px) 0 40px;
  position: relative;
  overflow: hidden;
}
.cl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 260px at 18% 0%, var(--primary-softer), transparent 70%),
    radial-gradient(520px 240px at 82% 10%, var(--primary-softer), transparent 70%);
  pointer-events: none;
}
.cl-hero .container { position: relative; }
.cl-hero h1 { font-size: 38px; font-weight: 900; letter-spacing: .5px; margin: 10px 0 10px; }
.cl-hero p { color: var(--text-secondary); max-width: 560px; }

.cl-toolbar { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.cl-tool-btn {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--divider);
  background: var(--card);
  color: var(--text-secondary);
  border-radius: var(--r-md);
  font-size: 13px; font-weight: 500;
  padding: 9px 16px;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}
.cl-tool-btn:hover { border-color: var(--primary); color: var(--primary-strong); background: var(--primary-softer); }
.cl-tool-btn i { font-size: .95em; }

/* ---------- 主布局：目录树 + 内容 ---------- */
.cl-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding-bottom: 80px;
}

/* ---------- 目录树 ---------- */
.cl-toc {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: var(--r-lg);
  padding: 18px 16px;
  box-shadow: 0 10px 26px var(--shadow-color);
}
.cl-toc-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 1px;
  padding: 0 8px 12px;
  border-bottom: 1px solid var(--divider);
  margin-bottom: 8px;
}
.cl-toc-title i { font-size: .95em; }

.cl-toc-list { display: flex; flex-direction: column; gap: 2px; }
.cl-toc-link {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: background-color .18s ease, color .18s ease;
}
.cl-toc-link:hover { background: var(--primary-softer); color: var(--primary-strong); }
.cl-toc-link .ct-ver { font-weight: 700; }
.cl-toc-link .ct-date { font-size: 11.5px; color: var(--text-tertiary); }
.cl-toc-link.active { background: var(--primary-soft); color: var(--primary-deep); }
.cl-toc-link.active .ct-date { color: var(--primary-strong); }
[data-theme="dark"] .cl-toc-link.active { color: #BFE0F3; }

/* ---------- 日志条目 ---------- */
.cl-content { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.cl-entry {
  background: var(--card);
  border: 1px solid var(--divider);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
  scroll-margin-top: calc(var(--nav-h) + 20px);
}
.cl-entry:hover { border-color: color-mix(in srgb, var(--primary) 35%, transparent); box-shadow: 0 12px 32px var(--shadow-color); }
.cl-entry.flash { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft), 0 12px 32px var(--shadow-color); }

.cl-entry-head {
  width: 100%;
  display: flex; align-items: center; gap: 14px;
  background: transparent;
  border: none;
  padding: 20px 26px;
  text-align: left;
  cursor: pointer;
  color: inherit;
}
.cl-entry-head:hover .cl-ver { color: var(--primary-deep); }

.cl-entry .cl-ver {
  font-size: 17px; font-weight: 900;
  color: var(--primary-deep);
  background: var(--primary-soft);
  border-radius: 10px;
  padding: 6px 14px;
  letter-spacing: .5px;
  transition: color .18s ease;
}
[data-theme="dark"] .cl-entry .cl-ver { color: #BFE0F3; }
.cl-entry .cl-date { font-size: 12.5px; color: var(--text-tertiary); }

.cl-entry-arrow {
  margin-left: auto;
  color: var(--text-tertiary);
  font-size: 13px;
  transition: transform .28s ease, color .2s ease;
}
.cl-entry.is-open .cl-entry-arrow { transform: rotate(180deg); color: var(--primary-strong); }

.cl-entry-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .32s ease;
}
.cl-entry.is-open .cl-entry-body { grid-template-rows: 1fr; }
.cl-entry-body-inner { overflow: hidden; }

/* 折叠内容样式（复用首页 .cl-body 风格） */
.cl-body { display: flex; flex-direction: column; gap: 14px; padding: 0 26px 26px; }
.cl-type {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 700;
  margin-top: 6px;
}
.cl-type.new i { color: #5DAC81; }
.cl-type.fix i { color: #CA7A2C; }
.cl-type.opt i { color: var(--primary-strong); }
.cl-body ul { display: flex; flex-direction: column; gap: 6px; padding-left: 2px; }
.cl-body li {
  position: relative;
  font-size: 13.5px;
  color: var(--text-secondary);
  padding-left: 16px;
  line-height: 1.7;
}
.cl-body li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.72em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--primary);
  opacity: .55;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .cl-layout { grid-template-columns: 1fr; gap: 24px; }
  .cl-toc {
    position: static;
    padding: 12px;
  }
  .cl-toc-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .cl-toc-link { padding: 7px 12px; border-radius: 999px; background: var(--bg-soft); }
  .cl-toc-link .ct-date { display: none; }
  .cl-toc-title { border-bottom: none; padding-bottom: 4px; }
}

@media (max-width: 720px) {
  .cl-hero { padding-top: calc(var(--nav-h) + 34px); }
  .cl-hero h1 { font-size: 30px; }
  .cl-entry-head { padding: 16px 18px; gap: 10px; flex-wrap: wrap; }
  .cl-body { padding: 0 18px 20px; }
}