/* ==========================================================================
   glossary.css — 术语表页（terms.html）专属样式
   依赖 base.css 的 :root 令牌，本文件不出现任何硬编码颜色。
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 页头事实带
   -------------------------------------------------------------------------- */

.glossary-facts{margin-top:26px;}

/* --------------------------------------------------------------------------
   2. 分类跳转条下方的工具条（关键词筛选）
   -------------------------------------------------------------------------- */

.glossary-shell{min-width:0;}

.glossary-tools{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 20px;
  margin:0 0 22px;
  padding:16px 20px;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);
}

.filter-field{display:flex;align-items:center;gap:12px;flex:1 1 320px;min-width:0;}

.filter-label{
  flex:none;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--text-muted);
}

.filter-input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding-left:16px;
  padding-right:16px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:var(--bg-panel2);
  color:var(--text);
  font-size:14px;
}
.filter-input::placeholder{color:var(--text-muted);}
.filter-input:focus{border-color:var(--accent);background:var(--bg-panel);}

.filter-count{
  flex:none;
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
}

/* --------------------------------------------------------------------------
   3. 全部术语速查（原生 details 折叠面板）
   -------------------------------------------------------------------------- */

.index-fold{
  margin:0 0 44px;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}

.index-fold > summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 20px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.index-fold > summary::-webkit-details-marker{display:none;}
.index-fold > summary::after{
  content:"";
  flex:none;
  width:9px;
  height:9px;
  margin-left:auto;
  border-right:2px solid var(--text-muted);
  border-bottom:2px solid var(--text-muted);
  transform:rotate(45deg);
  transition:transform .18s ease;
}
.index-fold[open] > summary::after{transform:rotate(-135deg);}

.index-body{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(min(210px,100%),1fr));
  gap:18px 26px;
  padding:18px 20px 22px;
  border-top:1px solid var(--border);
}
.index-group{min-width:0;}

.index-key{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--success);
}

.index-list{display:flex;flex-wrap:wrap;gap:8px;}
.index-list a{
  display:inline-block;
  max-width:100%;
  padding:5px 11px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:var(--bg-panel2);
  font-size:12.5px;
  line-height:1.5;
  color:var(--text-muted);
  transition:border-color .16s ease,color .16s ease;
}
.index-list a:hover{border-color:var(--text-muted);color:var(--text);}

/* --------------------------------------------------------------------------
   4. 术语分区与术语卡
   -------------------------------------------------------------------------- */

.glossary-body{min-width:0;}

.term-section{padding-bottom:52px;scroll-margin-top:72px;}
.term-section:last-child{padding-bottom:8px;}

.term-section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 14px;
  margin-bottom:22px;
  padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.term-section-head h2{font-size:clamp(21px,2vw,26px);}
.term-section-count{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
}
.term-section-note{flex:1 1 100%;margin:0;font-size:14px;line-height:1.8;color:var(--text-muted);}

.glossary-body .term-grid{
  grid-template-columns:repeat(auto-fill,minmax(min(296px,100%),1fr));
  gap:18px;
}
.glossary-body .term-card{scroll-margin-top:72px;}

.term-link{
  margin-left:6px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  color:var(--text-muted);
  transition:color .16s ease;
}
.term-link:hover{color:var(--accent-dark);}

/* --------------------------------------------------------------------------
   5. 筛选空态
   -------------------------------------------------------------------------- */

.term-empty{
  margin:0;
  padding:22px 24px;
  border:1px dashed var(--border);
  border-radius:var(--r-lg);
  background:var(--bg-panel2);
  font-size:14px;
  line-height:1.8;
  color:var(--text-muted);
}
.term-empty[hidden]{display:none;}

/* 显隐防御：筛选逻辑完全依赖 hidden 属性 */
.term-section[hidden],
.term-card[hidden]{display:none;}

/* --------------------------------------------------------------------------
   6. 收尾导航面板
   -------------------------------------------------------------------------- */

.glossary-next h2{margin-bottom:12px;font-size:clamp(20px,1.9vw,24px);}
.glossary-next .panel-lead{margin:0 0 20px;font-size:14.5px;line-height:1.8;color:var(--text-muted);}

.next-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(272px,100%),1fr));gap:14px;}
.next-links li{min-width:0;}

/* --------------------------------------------------------------------------
   7. 响应式
   -------------------------------------------------------------------------- */

@media (max-width:640px){
  .glossary-tools{padding:14px 16px;gap:12px;}
  .filter-field{flex:1 1 100%;flex-wrap:wrap;gap:8px;}
  .filter-label{flex:1 1 100%;}
  .filter-count{flex:1 1 100%;}
  .index-body{grid-template-columns:minmax(0,1fr);gap:16px;padding:16px 16px 20px;}
  .glossary-body .term-grid{grid-template-columns:minmax(0,1fr);}
  .term-section{padding-bottom:40px;}
}