/* ============================================================
   reference-desk.css — 墨阶 P2 · 检索台
   三栏：左 232px sticky facet / 中列 ≤680px / 右 268px
   兼容 glossary(gk-) 与 tools(tt-) 两套类名
   排在 responsive.css 之前；视觉只深不浓
   ============================================================ */

/* ---- 三栏布局容器 ---- */
.ref-desk {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 268px;
  gap: 24px;
  align-items: start;
}

.ref-facet {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 4px;
}

.ref-main {
  min-width: 0;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.ref-side {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

/* ---- 辞书眉：34px sticky 条 ---- */
.ref-brow {
  position: sticky;
  top: 64px;
  z-index: 50;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-hairline, var(--color-border));
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  border-radius: 0;
}

.ref-brow-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.ref-brow-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.ref-brow-sep {
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* ---- 双模密度：行|卡 小开关 ---- */
.ref-density {
  display: inline-flex;
  border: 1px solid var(--color-hairline, var(--color-border));
  border-radius: 6px;
  overflow: hidden;
  height: 24px;
  background: var(--color-surface);
}

.ref-density button {
  padding: 0 10px;
  min-width: 32px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.24s ease-out;
  line-height: 24px;
}

.ref-density button.active {
  background: var(--color-primary);
  color: #fff;
}

.ref-density button:hover:not(.active) {
  color: var(--color-text-secondary);
}

/* ---- facet 带计数 ---- */
.ref-facet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: background 0.1s ease-out;
  margin-bottom: 2px;
}

.ref-facet-item:hover {
  background: var(--color-surface-2, var(--color-surface-hover));
}

.ref-facet-item.active {
  background: rgba(176, 42, 53, 0.1);
  color: var(--color-primary);
  font-weight: 600;
}

.ref-facet-count {
  font-size: 11px;
  color: var(--color-text-muted);
  background: var(--color-surface-2, var(--color-surface-hover));
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 500;
}

.ref-facet-item.active .ref-facet-count {
  background: rgba(176, 42, 53, 0.15);
  color: var(--color-primary);
}

.ref-facet-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 12px 6px;
}

/* ---- 密集行模式：现有 article 变 sk-row 样式 ---- */
/* glossary 用 .gk-term，tools 用 .tt-entry */
.view-row .gk-term,
.view-row .tt-entry {
  display: grid;
  grid-template-columns: 3px minmax(0, 1fr) 110px;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-hairline, var(--color-border));
  background: var(--color-surface);
  border-radius: 0;
  margin: 0;
  box-shadow: none;
  position: relative;
  transition: background 0.1s ease-out;
}

.view-row .gk-term::before,
.view-row .tt-entry::before {
  content: '';
  background: var(--sk-cat-color, var(--color-primary));
  border-radius: 2px;
  grid-column: 1;
  grid-row: 1 / 3;
  transition: filter 100ms cubic-bezier(.4, 0, .2, 1);
}

.view-row .gk-term:hover,
.view-row .tt-entry:hover {
  background: var(--color-surface-2, var(--color-surface-hover));
}

.view-row .gk-term:hover::before,
.view-row .tt-entry:hover::before {
  filter: brightness(1.35);
}

/* 序号在密集行模式隐藏 */
.view-row .gk-num,
.view-row .tt-num {
  display: none;
}

/* 主内容区 */
.view-row .gk-term > div:nth-child(2),
.view-row .tt-entry > div:nth-child(2) {
  grid-column: 2;
  min-width: 0;
}

/* 右侧徽章区 */
.view-row .gk-head-right,
.view-row .tt-head-right {
  grid-column: 3;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  justify-content: center;
}

/* 定义/副标题在密集行默认隐藏，展开时显示 */
.view-row .gk-def,
.view-row .tt-def,
.view-row .tt-sub {
  display: none;
}

.view-row .gk-term.is-open .gk-def,
.view-row .tt-entry.is-open .tt-def,
.view-row .tt-entry.is-open .tt-sub {
  display: block;
  grid-column: 2 / -1;
  margin-top: 8px;
}

/* 详情区跨整行 */
.view-row .gk-detail,
.view-row .tt-detail {
  grid-column: 1 / -1;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-hairline, var(--color-border));
}

/* 分组标题在密集行模式 */
.view-row .gk-group,
.view-row .tt-group {
  margin-bottom: 0;
}

.view-row .gk-group-head,
.view-row .tt-group-head {
  padding: 20px 16px 10px;
  background: var(--color-bg);
  border-bottom: none;
}

.view-row .gk-group-name,
.view-row .tt-group-name {
  font-size: 14px;
}

/* 卡片模式（默认）保持原样，只微调 */
.view-card .gk-term,
.view-card .tt-entry {
  /* 保持原有卡片样式 */
}

/* ---- 可核查条 ---- */
.ref-source {
  font-size: 11px;
  color: var(--color-text-muted);
  padding: 10px 0 0;
  border-top: 1px solid var(--color-hairline, var(--color-border));
  margin-top: 10px;
  line-height: 1.5;
}

.ref-source-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-text-muted);
  margin: 0 8px;
  vertical-align: middle;
}

/* ---- 右栏统计卡 ---- */
.ref-side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-hairline, var(--color-border));
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.ref-side-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 12px;
}

.ref-side-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
}

.ref-side-stat-label {
  color: var(--color-text-secondary);
}

.ref-side-stat-value {
  font-weight: 700;
  color: var(--color-text);
}

/* ---- 已读标记 ---- */
.ref-read-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-2, var(--color-surface-hover));
  padding: 1px 6px;
  border-radius: 3px;
}

/* ---- 移动端响应式 ---- */
@media (max-width: 1100px) {
  .ref-desk {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .ref-side {
    display: none;
  }
}

@media (max-width: 768px) {
  .ref-desk {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .ref-facet {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
  .ref-main {
    max-width: 100%;
  }
  .ref-brow {
    top: 56px;
    padding: 0 12px;
    font-size: 11px;
  }
  .view-row .gk-term,
  .view-row .tt-entry {
    grid-template-columns: 3px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
  }
  .view-row .gk-head-right,
  .view-row .tt-head-right {
    grid-column: 2;
    grid-row: auto;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    margin-top: 6px;
  }
  .ref-density button {
    padding: 0 8px;
    min-width: 28px;
  }
}

@media (max-width: 480px) {
  .ref-brow-left {
    gap: 8px;
  }
  .ref-brow-sep {
    display: none;
  }
}