/* ============================================================
 * ef/site.css —— 本站共用的终末地风味外壳与页面部件
 * 依赖：ef/endfield.css（变量与部件）；本文件只做本站布局与旧组件的皮肤
 * ========================================================== */

@font-face {
  font-family: "Saira Variable";
  src: url("fonts/Saira.ttf") format("truetype");
  font-weight: 100 900;
  font-stretch: 50% 125%;
  font-display: swap;
}

:root {
  --ef-font-ui: "Saira Variable", "Saira", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  --ef-font-text: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

/* ---------- 顶部导航 ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.6rem;
  padding: 0.5rem var(--ef-pad);
  background: var(--ef-panel);
  border-bottom: 1px solid var(--ef-rule);
}
.site-nav .brand {
  font-family: var(--ef-font-ui);
  font-weight: 800;
  font-stretch: 125%;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ef-ink);
  white-space: nowrap;
}
.site-nav .brand .hollow,
.site-nav .brand #logoAccent {
  color: transparent;
  -webkit-text-stroke: 1px var(--ef-ink);
}
.site-nav nav { display: flex; align-items: center; gap: clamp(0.55rem, 1.8vw, 1.5rem); flex-wrap: wrap; }
.site-nav nav a {
  position: relative;
  font-family: var(--ef-font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ef-ink-2);
  padding: 0.35rem 0.55rem;
  transition: color 0.15s;
}
.site-nav nav a::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.12rem;
  height: 2px;
  background: var(--ef-trace);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s cubic-bezier(0.7, 0, 0.2, 1);
}
.site-nav nav a:hover,
.site-nav nav a:focus-visible { color: var(--ef-ink); }
.site-nav nav a:hover::after,
.site-nav nav a:focus-visible::after { transform: scaleX(1); }
.site-nav nav a[aria-current="page"] { background: var(--ef-signal); color: var(--ef-on-signal); }
.site-nav nav a[aria-current="page"]::after { display: none; }
.site-nav .nav-end { display: flex; align-items: center; gap: 0.7rem; }

/* 日月切换按钮 */
.ef-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--ef-rule);
  background: var(--ef-panel);
  color: var(--ef-ink);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background-color 0.15s, color 0.15s;
}
.ef-theme-toggle:hover { background: var(--ef-signal); color: var(--ef-on-signal); }
.ef-theme-toggle svg { width: 1.15rem; height: 1.15rem; }
.ef-theme-toggle .icon-sun { display: none; }
.ef-theme-toggle .icon-moon { display: block; }
.ef-theme-toggle[aria-pressed="true"] .icon-sun { display: block; }
.ef-theme-toggle[aria-pressed="true"] .icon-moon { display: none; }

/* ---------- 页脚 ---------- */
.site-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem var(--ef-pad) 2.5rem;
  border-top: 1px solid var(--ef-rule);
  color: var(--ef-ink-2);
}
.site-foot a:hover { color: var(--ef-ink); }

/* ---------- 通用分区 ---------- */
.band { border-bottom: 1px solid var(--ef-rule); }
.band-inner { padding: clamp(2rem, 4vw, 3rem) var(--ef-pad); }
.band-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.band-desc { margin: 0.6rem 0 0; color: var(--ef-ink-2); font-family: var(--ef-font-text); }

/* ---------- 旧按钮 → 终末地按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ef-rule);
  background: var(--ef-panel);
  color: var(--ef-ink);
  font-family: var(--ef-font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  cursor: pointer;
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--ef-chip); }
.btn-primary { background: var(--ef-ink); color: var(--ef-panel); border-color: var(--ef-ink); }
.btn-primary:hover { background: var(--ef-signal); color: var(--ef-on-signal); border-color: var(--ef-signal); }
.btn-outline { background: var(--ef-panel); color: var(--ef-ink); }
@media (hover: none) {
  .btn-primary { background: var(--ef-signal); color: var(--ef-on-signal); border-color: var(--ef-signal); }
}

/* ---------- 空状态 ---------- */
.empty { padding: 2rem 0; color: var(--ef-ink-2); text-align: center; font-family: var(--ef-font-text); }

/* ============================================================
 * 博客列表 / 文章
 * ========================================================== */
.blog-toolbar { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.2rem 0; }
.blog-search { display: none; margin-bottom: 1.2rem; }
.blog-search.open { display: block; }
.search-panel { border: 1px solid var(--ef-rule); background: var(--ef-panel); padding: 1rem; }
.search-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-bottom: 1px solid var(--ef-ink);
  padding-bottom: 0.45rem;
}
.search-box::before {
  content: "//";
  font-family: var(--ef-font-ui);
  font-weight: 600;
  color: var(--ef-ink-2);
  letter-spacing: 0.1em;
}
.search-box input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--ef-ink);
  font-family: var(--ef-font-text);
  font-size: 1rem;
  outline: none;
}
.search-clear {
  border: none;
  background: none;
  color: var(--ef-ink-2);
  font-family: var(--ef-font-ui);
  font-size: 0.78rem;
  cursor: pointer;
}
.search-clear:hover { color: var(--ef-ink); }
.tag-filter { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.tag-chip {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--ef-rule);
  background: var(--ef-panel);
  color: var(--ef-ink-2);
  font-family: var(--ef-font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.tag-chip:hover { background: var(--ef-chip); color: var(--ef-ink); }
.tag-chip.active { background: var(--ef-signal); color: var(--ef-on-signal); border-color: var(--ef-signal); }
.search-result-count { margin-top: 0.8rem; font-family: var(--ef-font-ui); font-size: 0.8rem; color: var(--ef-ink-2); }

.blog-list { display: flex; flex-direction: column; }
.post-card {
  position: relative;
  padding: 1rem 0.7rem;
  border-bottom: 1px solid var(--ef-rule);
  cursor: pointer;
  transition: background-color 0.15s;
}
.post-card:first-child { border-top: 1px solid var(--ef-rule); }
.post-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--ef-trace);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ef-snap);
}
.post-card:hover { background: var(--ef-paper); }
.post-card:hover::before { transform: none; }
.post-card h3 { font-size: 1.1rem; margin: 0 0 0.35rem; line-height: 1.35; }
.post-card p { margin: 0 0 0.5rem; color: var(--ef-ink-2); font-family: var(--ef-font-text); font-size: 0.94rem; line-height: 1.7; }
.post-card .post-meta { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.post-card .post-meta time { font-family: var(--ef-font-ui); font-size: 0.75rem; color: var(--ef-ink-2); letter-spacing: 0.04em; }
.tag {
  display: inline-block;
  padding: 0.08em 0.5em;
  background: var(--ef-chip);
  color: var(--ef-ink-2);
  font-family: var(--ef-font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 阅读文章 */
.post { background: var(--ef-panel); border: 1px solid var(--ef-rule); padding: clamp(1.4rem, 4vw, 2.6rem); }
.post-header { padding-bottom: 1.2rem; border-bottom: 1px solid var(--ef-rule); }
.post-title { font-size: clamp(1.6rem, 3.6vw, 2.4rem); font-weight: 800; line-height: 1.2; margin: 0 0 0.8rem; }
.post-meta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.post-meta time { font-family: var(--ef-font-ui); font-size: 0.8rem; color: var(--ef-ink-2); letter-spacing: 0.04em; }
.post-content {
  margin-top: 1.6rem;
  max-width: var(--ef-measure);
  font-family: var(--ef-font-text);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ef-ink);
}
.post-content h2 { font-family: var(--ef-font-ui); font-size: 1.4rem; font-weight: 700; margin: 2rem 0 1rem; padding-top: 1rem; border-top: 1px solid var(--ef-rule); }
.post-content h3 { font-family: var(--ef-font-ui); font-size: 1.15rem; font-weight: 700; margin: 1.5rem 0 0.8rem; }
.post-content p { margin: 0 0 1rem; }
.post-content ul, .post-content ol { padding-left: 1.4rem; margin: 0 0 1rem; }
.post-content li { margin-bottom: 0.35rem; }
.post-content a {
  color: var(--ef-ink);
  text-decoration: none;
  background: linear-gradient(transparent 62%, var(--ef-signal) 62%);
}
[data-theme="dark"] .post-content a { background: none; border-bottom: 1px solid var(--ef-signal); }
.post-content blockquote { margin: 1rem 0; padding-left: 1rem; border-left: 3px solid var(--ef-ink); color: var(--ef-ink-2); }
.post-content code { font-family: monospace; font-size: 0.9em; padding: 0.1em 0.35em; border: 1px solid var(--ef-rule); background: var(--ef-paper); }
.post-content pre { padding: 1rem; overflow: auto; background: var(--ef-paper); border: 1px solid var(--ef-rule); }
.post-content pre code { border: none; background: none; padding: 0; }
.post-content img { max-width: 100%; height: auto; }
.post-content table { border-collapse: collapse; margin-bottom: 1rem; }
.post-content th, .post-content td { border: 1px solid var(--ef-rule); padding: 0.5rem 0.7rem; }
.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.post-nav-item {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--ef-rule);
  background: var(--ef-panel);
  font-family: var(--ef-font-ui);
  font-size: 0.82rem;
}
.post-nav-item:hover { border-color: var(--ef-ink); }
.post-bottomlinks { margin-top: 1.6rem; }
.back-btn {
  font-family: var(--ef-font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--ef-trace);
}
.reading-mode .blog-toolbar,
.reading-mode .blog-search { display: none; }

/* ============================================================
 * 友链
 * ========================================================== */
.friends-grid { display: flex; flex-direction: column; border-top: 1px solid var(--ef-rule); }
.friend-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0.7rem;
  border-bottom: 1px solid var(--ef-rule);
  transition: background-color 0.15s;
}
.friend-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--ef-trace);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ef-snap);
}
.friend-card:hover { background: var(--ef-paper); }
.friend-card:hover::before { transform: none; }
.friend-avatar {
  width: 2.6rem;
  height: 2.6rem;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ef-chip) !important;
  color: var(--ef-ink) !important;
  font-family: var(--ef-font-ui);
  font-weight: 800;
  font-size: 1.05rem;
  border-radius: 0 !important;
}
.friend-info h3 { font-size: 1rem; margin: 0 0 0.2rem; }
.friend-info p { margin: 0; color: var(--ef-ink-2); font-family: var(--ef-font-text); font-size: 0.9rem; line-height: 1.6; }

/* ============================================================
 * 归档时间线
 * ========================================================== */
.tl-group { margin-bottom: 2rem; }
.tl-year {
  font-family: var(--ef-font-ui);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--ef-ink);
}
.tl-list { display: flex; flex-direction: column; }
.tl-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--ef-rule);
}
.tl-item:hover { background: var(--ef-paper); }
.tl-dot { display: none; }
.tl-date { flex: none; width: 6.2rem; font-family: var(--ef-font-ui); font-size: 0.76rem; color: var(--ef-ink-2); letter-spacing: 0.04em; }
.tl-title { flex: 1; min-width: 0; }
.tl-title:hover { color: var(--ef-ink); }
.tl-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
@media (max-width: 640px) {
  .tl-item { flex-wrap: wrap; gap: 0.3rem 0.8rem; }
  .tl-title { flex-basis: 100%; order: 3; }
}

/* ============================================================
 * 评论 / 留言组件（js/comments.js）
 * ========================================================== */
.cm { margin-top: 1rem; }
.cm-status {
  position: relative;
  margin: 0.9rem 0;
  padding: 0.7rem 0.9rem 0.7rem 1.4rem;
  border: 1px solid var(--ef-ink);
  background: var(--ef-panel);
  font-family: var(--ef-font-text);
  font-size: 0.9rem;
  line-height: 1.6;
}
.cm-status::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--ef-signal); }
.cm-status.ok::before { background: var(--ef-ink); }
.cm-empty { padding: 1.5rem 0; color: var(--ef-ink-2); font-family: var(--ef-font-text); }
.cm-form { border: 1px solid var(--ef-rule); background: var(--ef-panel); padding: 1rem; margin-bottom: 1.4rem; }
.cm-input, .cm-textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--ef-rule);
  background: var(--ef-panel);
  color: var(--ef-ink);
  font-family: var(--ef-font-text);
  font-size: 0.95rem;
  border-radius: 0;
}
.cm-textarea { resize: vertical; line-height: 1.6; }
.cm-input:focus, .cm-textarea:focus { outline: 2px solid var(--ef-trace); outline-offset: -2px; border-color: var(--ef-ink); }
.cm-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.cm-count { font-family: var(--ef-font-ui); font-size: 0.75rem; color: var(--ef-ink-2); }
.cm-turnstile { margin-bottom: 0.8rem; }
.cm-reply-hint { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; padding: 0.5rem 0.7rem; border: 1px solid var(--ef-rule); background: var(--ef-paper); font-family: var(--ef-font-text); font-size: 0.85rem; }
.cm-reply-hint b { color: var(--ef-ink); }
.cm-cancel { margin-left: auto; border: none; background: none; color: var(--ef-ink-2); cursor: pointer; font-family: var(--ef-font-ui); font-size: 0.78rem; }
.cm-cancel:hover { color: var(--ef-ink); }
.cm-adminbar { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; padding: 0.6rem 0.8rem 0.6rem 1.3rem; border: 1px solid var(--ef-ink); background: var(--ef-panel); color: var(--ef-ink); font-family: var(--ef-font-text); font-size: 0.85rem; font-weight: 600; }
.cm-adminbar::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--ef-signal); }
.cm-admin-exit { border: none; background: none; color: var(--ef-ink); cursor: pointer; font-family: var(--ef-font-ui); font-size: 0.78rem; text-decoration: underline; }
.cm-list { display: flex; flex-direction: column; }
.cm-item { padding: 1rem 0.7rem; border-bottom: 1px solid var(--ef-rule); }
.cm-list > .cm-item:first-child { border-top: 1px solid var(--ef-rule); }
.cm-item.is-owner { border-left: 4px solid var(--ef-trace); }
.cm-item-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 0.4rem; }
.cm-name { font-family: var(--ef-font-ui); font-weight: 700; font-size: 0.95rem; }
.cm-badge { display: inline-block; margin-left: 0.5rem; padding: 0.02em 0.5em; background: var(--ef-signal); color: var(--ef-on-signal); font-family: var(--ef-font-ui); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em; }
.cm-time { font-family: var(--ef-font-ui); font-size: 0.72rem; color: var(--ef-ink-2); }
.cm-text { font-family: var(--ef-font-text); font-size: 0.95rem; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.cm-actions { display: flex; gap: 1rem; margin-top: 0.6rem; }
.cm-act { border: none; background: none; padding: 0; color: var(--ef-ink-2); font-family: var(--ef-font-ui); font-size: 0.78rem; cursor: pointer; }
.cm-act:hover { color: var(--ef-ink); }
.cm-replies { margin-left: 1.2rem; padding-left: 1rem; border-left: 2px solid var(--ef-rule); }
.cm-replies .cm-item { border-bottom: none; padding: 0.7rem 0.4rem; }

/* ---------- 窄屏导航换行 ---------- */
@media (max-width: 780px) {
  .site-nav { flex-wrap: wrap; align-items: flex-start; }
  .site-nav nav { width: 100%; order: 3; row-gap: 0.4rem; }
  .site-nav nav a { font-size: 0.7rem; }
}

/* ============================================================
 * 首页飘带：持续无限循环（强制生效，不受“减少动态效果”影响）
 * ========================================================== */
.hero .ef-ticker { overflow: hidden !important; }
.hero .ef-ticker .track { animation: ef-pass 26s linear infinite !important; }
.hero .ef-ticker ul[aria-hidden] { display: flex !important; }
.hero .ef-ticker:is(:hover, :focus-within) .track { animation-play-state: paused !important; }

/* ============================================================
 * 站主后台
 * ========================================================== */
.admin-card { max-width: 420px; margin: 0 auto; padding: 1.4rem; border: 1px solid var(--ef-rule); background: var(--ef-panel); }
.admin-card .cm-input { margin-bottom: 1rem; }
.admin-actions { display: flex; justify-content: flex-end; }
.admin-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.4rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--ef-rule); }
.admin-bar-btns { display: flex; gap: 0.6rem; }
.admin-list { display: flex; flex-direction: column; gap: 1.8rem; }
.admin-group-title { display: flex; align-items: center; gap: 0.6rem; font-size: 1rem; margin: 0 0 0.6rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--ef-ink); }
.admin-count { font-family: var(--ef-font-ui); font-size: 0.72rem; color: var(--ef-ink-2); border: 1px solid var(--ef-rule); padding: 0.05em 0.5em; }
.ad-replybox { margin-top: 0.7rem; }
.ad-reply-btns { display: flex; gap: 0.6rem; }
.admin-group .cm-item { margin-bottom: 0.6rem; }