/* ============================================================
   知微风水复刻站 · 二期模块补充样式（六）
   古籍阅读器 classics reader-* / 知识库 knowledge kb-* /
   工具箱 tools-cat-* / 公共 empty / dp-num / cp-read
   ============================================================ */

/* ============ 工具箱分类 ============ */
.tools-cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tools-cat-tab {
  padding: 7px 16px; border-radius: 999px; font-size: 13px; cursor: pointer;
  border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.03);
}
.tools-cat-tab:hover, .tools-cat-tab.active {
  border-color: var(--gold); color: var(--gold-light); background: rgba(201,168,76,0.1);
}

/* ============ 空态 ============ */
.empty { text-align: center; color: var(--text-faint); padding: 40px 20px; }
.empty i { font-size: 40px; color: var(--line); display: block; margin-bottom: 12px; }
.empty-tip { text-align: center; color: var(--text-faint); padding: 20px; font-size: 13px; }

/* ============ 古籍书目网格 ============ */
.classic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.classic-card {
  padding: 18px; border-radius: var(--radius-sm); cursor: pointer;
  background: rgba(0, 0, 0, 0.2); border: 1px solid var(--line-soft);
  transition: border-color 0.2s, transform 0.2s;
}
.classic-card:hover { border-color: var(--gold-dim); transform: translateY(-3px); }
.classic-card .classic-title { font-family: var(--font-display); font-size: 16px; color: var(--gold-light); }
.classic-card .classic-en { font-family: var(--font-latin); font-size: 11px; color: var(--text-faint); letter-spacing: 0.1em; margin-top: 4px; text-transform: uppercase; }
.classic-card .classic-desc { font-size: 12px; color: var(--text-dim); line-height: 1.7; margin-top: 8px; }
.hl-chip { padding: 4px 12px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); color: var(--text); }

/* ============ 古籍阅读器 ============ */
.reader-wrap { display: flex; gap: 18px; align-items: flex-start; flex-wrap: wrap; }
.reader-nav {
  width: 230px; flex: none; max-height: 70vh; overflow-y: auto;
  border-radius: var(--radius-sm); background: rgba(0,0,0,0.2);
  border: 1px solid var(--line-soft); padding: 14px;
}
.reader-nav-head { font-family: var(--font-display); font-size: 14px; color: var(--gold-light); letter-spacing: 0.08em; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.reader-nav-title { font-size: 13px; color: var(--text-hi); margin-bottom: 8px; }
.reader-nav-item {
  display: block; width: 100%; text-align: left; padding: 8px 12px; margin-bottom: 4px;
  border-radius: 8px; border: none; background: transparent; color: var(--text);
  font-size: 13px; cursor: pointer; line-height: 1.5;
}
.reader-nav-item:hover { background: rgba(201,168,76,0.08); color: var(--gold-light); }
.reader-nav-item.active { background: rgba(201,168,76,0.15); color: var(--gold-light); border: 1px solid var(--gold-dim); }
.reader-main { flex: 1; min-width: 320px; }
.reader-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; padding: 10px 14px; border-radius: var(--radius-sm); background: rgba(0,0,0,0.2); border: 1px solid var(--line-soft); }
.reader-title { font-family: var(--font-display); font-size: 18px; color: var(--gold-light); letter-spacing: 0.1em; }
.reader-keys { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.reader-keys kbd { padding: 2px 8px; border-radius: 6px; font-size: 11px; background: rgba(255,255,255,0.06); border: 1px solid var(--line); color: var(--text-dim); font-family: var(--font-mono); }
.reader-page {
  border-radius: var(--radius-sm); padding: 30px 34px;
  background: linear-gradient(160deg, #fbf6ea, #f3ead6); color: #2c2417;
  box-shadow: var(--shadow);
}
.reader-chapter-title { font-family: var(--font-display); font-size: 22px; color: #6b4d1f; letter-spacing: 0.15em; text-align: center; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid rgba(156,126,68,0.4); }
.reader-original { font-size: 15px; line-height: 2.1; color: #3a3225; letter-spacing: 0.03em; }
.reader-vernacular { font-size: 13.5px; line-height: 1.9; color: #4a4030; margin-top: 16px; padding-top: 14px; border-top: 1px dashed rgba(156,126,68,0.4); }
.reader-domain { margin-top: 14px; font-size: 13px; color: #6b4d1f; }
.reader-body { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 18px; flex-wrap: wrap; }

/* ============ 知识库 knowledge ============ */
.kb-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.kb-item {
  border-radius: var(--radius-sm); background: rgba(0,0,0,0.2);
  border: 1px solid var(--line-soft); overflow: hidden;
}
.kb-q {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  cursor: pointer; font-size: 14px; color: var(--text-hi); width: 100%;
  background: transparent; border: none; text-align: left;
}
.kb-q:hover { color: var(--gold-light); }
.kb-q .kb-arrow { margin-left: auto; color: var(--gold); transition: transform 0.25s; }
.kb-item.open .kb-arrow { transform: rotate(90deg); }
.kb-a { font-size: 13.5px; color: var(--text); line-height: 1.9; padding: 0 18px 16px; white-space: pre-line; }
.kb-cat { display: inline-block; font-size: 11px; padding: 3px 10px; border-radius: 999px; background: rgba(201,168,76,0.1); color: var(--gold-light); border: 1px solid var(--gold-dim); }
.kb-search { margin-bottom: 16px; max-width: 420px; }
.kb-search .field-input { width: 100%; }

/* ============ 农历日期选择器 ============ */
.dp-num { font-family: var(--font-latin); font-variant-numeric: tabular-nums; }

/* ============ 罗盘共用 ============ */
.cp-read { flex: 1; min-width: 260px; }
.cp-read h4 { font-size: 13px; color: var(--gold); letter-spacing: 0.08em; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.cp-read p { font-size: 13.5px; color: var(--text); line-height: 1.9; }

/* 阅读器补充 */
.reader-app { width: 100%; }
.reader-chapter { font-family: var(--font-display); font-size: 16px; color: var(--gold-light); }
.reader-nav-book {
  font-size: 11px; color: var(--gold-dim); letter-spacing: 0.15em;
  margin-bottom: 10px; text-transform: uppercase;
}

/* 后台表格体 / 登录体 */
.admin-tbody { display: contents; }
.auth-body { min-height: 60vh; display: flex; align-items: center; justify-content: center; }