/* ============================================================
 * 稼谱 · 农学学术观点流变谱系系统 —— 样式
 * 风格参考：耕语者农学术语检索系统（自然农业绿 + 简洁现代学术风）
 * ============================================================ */

:root {
  /* 主色：自然农业绿（5档） */
  --green-900: #1b4332;
  --green-800: #244d3a;
  --green-700: #2d6a4f;
  --green-600: #40916c;
  --green-500: #52b788;
  --green-100: #d8f3dc;
  --green-50:  #f0f9f1;

  --amber: #e9a13b;

  /* 文字（3档墨水色） */
  --ink:   #22343c;
  --ink-2: #51646b;
  --ink-3: #8aa0a8;

  /* 结构 */
  --line: #e3ece9;
  --bg:   #f6f9f7;
  --card: #ffffff;

  --danger: #c0392b;
  --danger-bg: #fdf0ee;
  --danger-line: #eebcb5;

  --radius: 14px;
  --shadow: 0 1px 3px rgba(27,67,50,.05), 0 10px 28px rgba(27,67,50,.07);
  --shadow-sm: 0 1px 2px rgba(27,67,50,.04), 0 2px 10px rgba(27,67,50,.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* HTML hidden 属性必须优先生效（防止 display:flex 等作者样式覆盖导致弹窗默认可见） */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

/* 等宽（编号/数字）与衬线斜体（英文/专名） */
.mono, .vp-num, .t-count, .era-count, .stat b, .brand-sub, code {
  font-family: "Consolas", "SFMono-Regular", "Cascadia Mono", monospace;
}
.serif-it {
  font-family: "Georgia", "Times New Roman", "Songti SC", serif;
  font-style: italic;
  color: var(--green-700);
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #c8ddd3; border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

mark { background: #ffe9a8; border-radius: 3px; padding: 0 2px; color: inherit; }

/* ═══════════ 顶部导航 ═══════════ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 55%, #40916c 100%);
  box-shadow: 0 2px 14px rgba(27,67,50,.28), 0 1px 3px rgba(27,67,50,.18);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 62px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; transition: opacity .15s; }
.brand:hover { opacity: .88; }
.brand-logo { color: #fff; display: inline-flex; transition: transform .18s; }
.brand:hover .brand-logo { transform: scale(1.06); }
.brand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  line-height: 1.15;
}
.brand-sub {
  font-size: 12px;
  opacity: .82;
  letter-spacing: .5px;
  color: #fff;
  line-height: 1.15;
}

/* 胶囊搜索框 */
.search-wrap {
  flex: 1;
  max-width: 460px;
  margin-left: auto;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  padding: 0 6px 0 16px;
  height: 38px;
  transition: background .2s;
}
.search-wrap:focus-within { background: rgba(255,255,255,.2); }
.search-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 15px;
}
.search-wrap input::placeholder { color: rgba(255,255,255,.7); }
.btn-search {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 15px;
  width: 34px;
  height: 30px;
  border-radius: 999px;
  transition: background .15s;
}
.btn-search:hover { background: rgba(255,255,255,.15); }

.topbar-right { display: flex; align-items: center; gap: 10px; }
/* 管理员胶囊：暖橙实心、白色加粗、大圆角、扁平无描边 */
.admin-badge {
  background: #f59e0b;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 999px;
  border: none;
  box-shadow: none;
  letter-spacing: .5px;
  line-height: 1;
}
/* 管理登录 / 退出登录：白色实心、深灰加粗、大圆角、扁平无描边 */
.btn-admin {
  background: #fff;
  border: none;
  color: #333;
  font-size: 13.5px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: 999px;
  box-shadow: none;
  line-height: 1;
  transition: background .15s;
}
.btn-admin:hover { background: #f2f2f2; }
/* 登录态「退出登录」：方正一些（小圆角矩形），未登录「管理登录」仍为胶囊 */
.btn-admin.on { background: #fff; color: #333; border-radius: 10px; padding: 9px 16px; }
.btn-admin.on:hover { background: #f2f2f2; }

/* ═══════════ 主布局 ═══════════ */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  padding: 22px 20px 60px;
  align-items: start;
}

/* ── 侧栏 ── */
.sidebar {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 110px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-head {
  background: var(--green-50);
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-title {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--green-700);
  letter-spacing: .5px;
  margin-right: auto;
}
.sidebar-count { font-size: 11.5px; color: var(--ink-3); margin-left: 2px; }

/* 章节导航头部的一键折叠按钮（把展开的各级全部收回） */
.btn-collapse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-left: 8px;
  border: 1px solid var(--green-200);
  border-radius: 8px;
  background: #fff;
  color: var(--green-700);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn-collapse:hover { background: var(--green-100); border-color: var(--green-400); }
.btn-collapse:active { transform: scale(.92); }

/* ── 侧栏收起：布局单列 ── */
.layout { position: relative; transition: grid-template-columns .22s ease; }
body.sidebar-collapsed .layout { grid-template-columns: 1fr; }
body.sidebar-collapsed .sidebar { display: none; }

/* 侧边流线细条（线条状、低调，悬停才显）：展开时附于侧栏右缘，收起时贴左缘 */
.side-handle {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 64px;
  border-radius: 3px;
  background: rgba(27, 67, 50, .16);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 95;
  transition: left .22s ease, width .18s, background .18s, box-shadow .18s;
}
body:not(.sidebar-collapsed) .side-handle { left: calc((100vw - 1280px) / 2 + 314px); }
body.sidebar-collapsed .side-handle { left: 1px; }
.side-handle:hover { width: 10px; background: rgba(27, 67, 50, .45); box-shadow: 0 0 6px rgba(27,67,50,.15); }
.side-handle svg { width: 10px; height: 10px; opacity: 0; transition: opacity .15s; }
.side-handle:hover svg { opacity: 1; }
.side-handle .arrow-expand { display: none; }
body.sidebar-collapsed .side-handle .arrow-collapse { display: none; }
body.sidebar-collapsed .side-handle .arrow-expand { display: block; }

.tree { flex: 1; overflow-y: auto; padding: 10px 8px; }
.tree-empty { padding: 20px 14px; color: var(--ink-3); font-size: 13px; text-align: center; }

/* 树节点 */
.t-node { user-select: none; }
.t-row {
  display: flex;
  position: relative;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.5;
  transition: background .12s, color .12s;
  white-space: nowrap;
}
.t-row:hover { background: var(--green-50); color: var(--green-700); }
.t-row.active {
  background: var(--green-100);
  color: var(--green-900);
  font-weight: 600;
}
.t-caret {
  width: 12px;
  flex: none;
  font-size: 9px;
  color: var(--ink-3);
  transition: transform .15s;
  text-align: center;
}
.t-caret.leaf { visibility: hidden; }
.t-node.open > .t-row .t-caret { transform: rotate(90deg); }
.t-name { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.t-count {
  flex: none;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 11px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 999px;
}
.t-del {
  flex: none;
  display: none;
  background: transparent;
  border: none;
  color: var(--ink-3);
  font-size: 11px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  padding: 0;
  transition: all .12s;
}
body.admin .t-del { display: inline-flex; align-items: center; justify-content: center; }
.t-del:hover { background: var(--danger-bg); color: var(--danger); }
.t-node.editing .t-name { display: none; }
.t-node input.t-edit {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  padding: 2px 6px;
  border: 1px solid var(--green-500);
  border-radius: 6px;
  outline: none;
  background: #fff;
  color: var(--ink);
}

.btn-block { width: 100%; }
.btn-add-cat { margin: 10px 10px 12px; width: calc(100% - 20px); }

/* ── 主区 ── */
.main { min-width: 0; }

/* 面包屑 */
.crumb-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.crumbs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13.5px; }
.crumb { color: var(--ink-3); cursor: pointer; transition: color .12s; }
.crumb:hover { color: var(--green-600); }
.crumb-sep { color: var(--line); }
.crumb.current {
  font-size: 15px;
  font-weight: 700;
  color: var(--green-700);
  background: var(--green-50);
  padding: 2px 10px;
  border-radius: 8px;
  cursor: default;
}
.stat { font-size: 13px; color: var(--ink-3); white-space: nowrap; }
.stat b { color: var(--green-700); font-size: 14px; }

/* ── 工具栏 ── */
.toolbar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 12px 16px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toolbar-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.toolbar-spacer { flex: 1; }
.filter-group { display: flex; align-items: center; gap: 8px; }
.filter-label { font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  transition: all .15s;
}
.chip:hover { border-color: var(--green-500); color: var(--green-700); }
.chip.active {
  background: var(--green-600);
  border-color: var(--green-600);
  color: #fff;
}
.chip-view.active { background: var(--green-100); border-color: var(--green-100); color: var(--green-900); }
.chip-view.active:hover { border-color: var(--green-100); }

.select, .input {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.select:focus, .input:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(82,183,136,.18);
}
.select { min-width: 130px; }
.input { min-width: 180px; }

.admin-ops { display: flex; gap: 8px; }

/* ═══════════ 按钮 ═══════════ */
.btn {
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .18s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 3px 8px rgba(27,67,50,.10); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); }
.btn-outline { background: #fff; border-color: var(--green-500); color: var(--green-700); }
.btn-outline:hover { background: var(--green-50); }
.btn-outline-green { background: #fff; border: 1.5px solid var(--green-600); color: var(--green-700); border-radius: 12px; }
.btn-outline-green:hover { background: var(--green-50); }
.btn-outline-green.on { background: var(--green-600); color: #fff; }
.btn-export { background: #fff; border: 1px solid #c4c9cd; color: #222; border-radius: 12px; }
.btn-export:hover { border-color: #9aa2a8; background: #fafbfc; }
.btn-ghost { background: #fff; border-color: var(--line); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--green-500); color: var(--green-700); }
.btn-danger { background: #fff; border-color: var(--danger-line); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-sm { padding: 3px 10px; font-size: 12px; border-radius: 8px; }
.btn-xs { padding: 1px 8px; font-size: 11.5px; border-radius: 7px; }

/* ── 批量管理模式工具条 ── */
.batch-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--green-700);
  color: #fff;
  padding: 10px 18px;
  border-radius: 12px;
  margin: 12px 0;
  box-shadow: 0 4px 14px rgba(27,67,50,.18);
}
.batch-info { font-size: 13.5px; }
.batch-info b { font-size: 16px; }
.batch-ops { display: flex; gap: 8px; }
.batch-ops .btn { background: #fff; color: var(--green-800); border: 1px solid rgba(255,255,255,.4); }
.batch-ops .btn-danger { color: #fff; background: rgba(255,255,255,.12); border-color: transparent; }
.batch-ops .btn-danger:hover { background: #c1121f; color: #fff; }
.batch-ops .btn-ghost { background: transparent; color: rgba(255,255,255,.85); border-color: rgba(255,255,255,.35); }
.batch-ops .btn:hover { transform: translateY(-1px); }

/* 批量模式：卡片复选框 */
.batch-check {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--green-500);
  cursor: pointer;
}
.batch-check input { width: 13px; height: 13px; accent-color: var(--green-600); cursor: pointer; }
.vp-card.in-batch { padding-left: 40px; }
.vp-card.in-batch:hover { border-color: var(--green-500); }

/* 章节导航聚焦提示 */
@keyframes treeFocus { 0%, 100% { box-shadow: 0 0 0 0 rgba(82,183,136,0); } 50% { box-shadow: 0 0 0 3px rgba(82,183,136,.45); } }
.tree-focus { animation: treeFocus 1.5s ease; border-radius: 10px; }

/* ═══════════ 视图切换区 ═══════════ */
.content { min-height: 300px; }

/* ── 空状态 ── */
.empty { text-align: center; padding: 70px 20px; color: var(--ink-3); }
.empty-icon { font-size: 36px; margin-bottom: 10px; color: var(--green-500); }
.empty-text { font-size: 14px; }

/* ── 加载更多 ── */
.load-more { text-align: center; margin-top: 22px; }

/* ═══════════ 观点卡片（通用） ═══════════ */
.vp-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px 24px;
  cursor: pointer;
  transition: box-shadow .18s, transform .18s, border-color .18s;
  break-inside: avoid;
  position: relative;
}
.vp-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--green-100);
  transform: translateY(-2px);
}
.vp-card:hover .vp-num, .vp-card:hover .vp-school { background: var(--green-100); }
.vp-card.flash {
  animation: cardFlash 1.6s ease-out;
  border-color: var(--green-500);
}
@keyframes cardFlash {
  0% { box-shadow: 0 0 0 4px rgba(82,183,136,.45); }
  100% { box-shadow: var(--shadow); }
}

.vp-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.vp-num {
  flex: none;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 12.5px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: .3px;
}
.vp-school {
  flex: none;
  font-size: 12.5px;
  color: var(--green-700);
  background: var(--green-50);
  border: 1px solid var(--green-100);
  padding: 1px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.vp-ops { display: none; gap: 6px; flex: none; }
body.admin .vp-ops { display: inline-flex; }
.vp-ops .btn { cursor: pointer; }

/* 学术观点（字体与全局统一，加粗正文） */
.vp-content {
  font-size: 17px;
  font-weight: 600;
  font-family: inherit;
  color: var(--ink);
  margin-top: 7px;
  line-height: 1.8;
  text-align: justify;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 人物标题（黑体加粗，与观点平级、醒目） */
.vp-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
}
.vp-person-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--green-900);
  line-height: 1.4;
}
.vp-person-dynasty {
  font-size: 12px;
  color: var(--ink-3);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.vp-meta {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12.5px;
}
.vp-lit {
  color: var(--ink-2);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.vp-lit.tbd { color: var(--ink-3); font-style: italic; }

.vp-notes {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: 10px;
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.7;
}
.vp-notes .n-adv { color: var(--green-700); }
.vp-notes .n-lim { color: #a0672a; }
.vp-notes .n-adv b, .vp-notes .n-lim b { font-weight: 600; }

/* ── 展开相关观点 ── */
.vp-card-foot { margin-top: 13px; display: flex; }
.btn-expand {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  color: var(--green-700);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  transition: all .15s;
}
.btn-expand:hover, .btn-expand.active { background: var(--green-100); }
.vp-expand {
  margin-top: 14px;
  padding-top: 14px;
}
.expand-group { margin-bottom: 16px; }
.expand-group:last-child { margin-bottom: 0; }
.expand-group h5 {
  font-size: 13px;
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 9px;
  letter-spacing: .3px;
}
.rel-list { display: flex; flex-direction: column; gap: 9px; }
.rel-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 15px;
  cursor: pointer;
  transition: all .15s;
}
.rel-item:hover { border-color: var(--green-500); background: var(--green-50); }
.rel-time {
  flex: none;
  font-family: "Consolas", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  padding: 1px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.rel-content {
  flex: 1;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rel-go { flex: none; font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }
.rel-item:hover .rel-go { color: var(--green-600); }
.rel-more { font-size: 12.5px; color: var(--ink-3); padding: 5px 2px 0; }

/* ── 视图1：瀑布流（单列卡片流 + 右侧时间轴支线） ── */
#timeline { position: relative; }
/* 单列卡片流 + 右侧时间轴列 */
.tl-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 128px;
  gap: 18px;
}
.tl-cards { min-width: 0; }
.tl-cards .vp-card { margin-bottom: 16px; }
/* 时间轴段（右侧支线）：竖线片段拼接成贯穿时间轴，段首圆点 + 段名 + 条数 */
.axis-seg {
  position: relative;
  padding-left: 30px;
  min-height: 60px;
}
.axis-seg::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--green-500), var(--green-100));
  opacity: .6;
}
.axis-dot {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green-600);
  border: 3px solid var(--green-100);
  box-shadow: 0 0 0 3px var(--green-50);
  box-sizing: content-box;
}
.axis-name {
  position: absolute;
  top: 5px;
  left: 30px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--green-900);
  letter-spacing: .4px;
  white-space: nowrap;
}
.axis-count {
  position: absolute;
  top: 30px;
  left: 30px;
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  padding: 1px 9px;
  border-radius: 999px;
}
/* 最后一段竖线自然收尾 */
.tl-row:last-child .axis-seg::before { bottom: 4px; }

/* ── 视图2：树状图（谱系） ── */
.graph-tip {
  font-size: 12.5px;
  color: var(--ink-3);
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 10px;
  padding: 8px 14px;
  margin-bottom: 12px;
}
.graph-stage {
  position: relative;
}
.graph-wrap {
  background: linear-gradient(180deg, #f8fcf9 0%, #edf6f0 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  height: 560px;
}
.graph-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  font-size: 14px;
  flex-direction: column;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.graph-hint svg { color: var(--green-500); }

/* 流派承接关系面板（树状图下方） */
.flow-panel {
  margin-top: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 12px 16px;
}
.flow-panel-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: 9px;
  letter-spacing: .3px;
}
.flow-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 999px;
  padding: 4px 12px;
  margin: 0 8px 8px 0;
  font-size: 12.5px;
}
.flow-from { color: var(--ink-2); }
.flow-arrow { color: var(--green-600); font-weight: 700; }
.flow-to { color: var(--green-700); font-weight: 600; }
.flow-count {
  font-family: "Consolas", "SFMono-Regular", monospace;
  color: var(--green-600);
  font-weight: 600;
}

/* ═══════════ 弹窗 ═══════════ */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(18,36,30,.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 6vh 16px 16px;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(18,36,30,.28);
  width: 100%;
  max-width: 560px;
  animation: modalIn .16s ease-out;
}
.modal-sm { max-width: 400px; }
.modal-lg { max-width: 680px; }
@keyframes modalIn {
  from { opacity: 0; transform: scale(.97); }
  to { opacity: 1; transform: scale(1); }
}
.modal-head {
  background: var(--green-50);
  border-bottom: 1px solid var(--green-100);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius) var(--radius) 0 0;
}
.modal-title { font-size: 15.5px; font-weight: 700; color: var(--green-900); }
.modal-close {
  background: transparent;
  border: none;
  color: var(--ink-3);
  font-size: 15px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  transition: all .12s;
}
.modal-close:hover { background: rgba(27,67,50,.08); color: var(--ink); }
.modal-body { padding: 20px; max-height: 62vh; overflow-y: auto; overscroll-behavior: contain; }
.modal-foot {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 12px 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-radius: 0 0 var(--radius) var(--radius);
}

/* ── 表单 ── */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field-label .req { color: var(--danger); font-style: normal; }
.field-label .hint { color: var(--ink-3); font-weight: 400; font-size: 12px; }
.field .input, .field .select, .field .textarea { width: 100%; }
.textarea { resize: vertical; min-height: 74px; line-height: 1.6; }

/* ── 详情弹窗 ── */
.detail-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.detail-person-name { font-size: 23px; font-weight: 800; color: var(--ink); letter-spacing: .5px; }
.detail-person-dynasty {
  font-size: 15px;
  font-style: italic;
  font-family: "Georgia", "Times New Roman", serif;
  color: var(--green-700);
}
.detail-content {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 12px;
  padding: 20px 24px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.95;
  text-align: justify;
  color: var(--ink);
  margin-bottom: 16px;
}
.detail-section { margin-bottom: 12px; }
.detail-section h4 {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: 4px;
  letter-spacing: .3px;
}
.detail-section p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.detail-section.lineage {
  background: var(--bg);
  border: 1px dashed var(--green-100);
  border-radius: 10px;
  padding: 10px 14px;
}
.detail-cat {
  font-size: 12.5px;
  color: var(--ink-3);
  background: var(--green-50);
  border-radius: 8px;
  padding: 7px 12px;
  margin-bottom: 8px;
}
.detail-cat .crumb-link { color: var(--green-700); cursor: pointer; }
.detail-cat .crumb-link:hover { text-decoration: underline; }
.detail-time { font-size: 12px; color: var(--ink-3); }

/* ═══════════ Toast ═══════════ */
.toast-wrap {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--green-900);
  color: #fff;
  font-size: 13.5px;
  padding: 10px 22px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(18,36,30,.3);
  animation: toastIn .2s ease-out;
}
.toast.err { background: #b23a2e; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════ 响应式 ═══════════ */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    max-height: 40vh;
  }
  .search-wrap { flex-basis: 100%; order: 3; margin-left: 0; max-width: none; }
  .topbar-inner { flex-wrap: wrap; height: auto; padding: 10px 20px; gap: 10px; }
  .topbar { position: sticky; }
  .graph-wrap { height: 440px; }
  /* 侧栏收起后主内容单列，细条固定在左缘中部 */
  body.sidebar-collapsed .side-handle { left: 1px; top: 42%; }
}
@media (max-width: 1100px) {
  .tl-row { grid-template-columns: minmax(0, 1fr) 106px; gap: 14px; }
}
@media (max-width: 760px) {
  .tl-row { grid-template-columns: minmax(0, 1fr) 84px; gap: 12px; }
  .axis-seg { padding-left: 22px; }
  .axis-name { left: 22px; font-size: 13px; }
  .axis-count { left: 22px; }
}
@media (max-width: 700px) {
  .field-row { grid-template-columns: 1fr; }
  .vp-card { padding: 16px 18px; }
}
@media (max-width: 560px) {
  .tl-row { grid-template-columns: minmax(0, 1fr) 60px; gap: 8px; }
  .axis-count { display: none; }
  .axis-name { font-size: 12px; white-space: normal; line-height: 1.3; }
}

/* ═══════════ 细节美化 ═══════════ */
/* 全局细滚动条（绿色系圆角） */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: #cfe3d6; border-radius: 8px; }
*::-webkit-scrollbar-thumb:hover { background: var(--green-500); }
.sidebar, .main { scrollbar-width: thin; scrollbar-color: #cfe3d6 transparent; }

/* 章节计数徽章：绿色胶囊 */
.sidebar-count {
  color: var(--green-700);
  background: var(--green-100);
  border: 1px solid var(--green-500);
  padding: 1px 9px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}

/* 卡片 hover：更柔和的抬升与绿描边 */
.vp-card:hover { box-shadow: 0 12px 28px rgba(27,67,50,.10); border-color: var(--green-300); }

/* 树节点 hover 左侧色条提示 */
.t-row:hover::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: var(--green-500);
}

/* 键盘可访问性：聚焦可见 */
.t-row:focus-visible, .chip:focus-visible, .btn:focus-visible, .btn-collapse:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 1px;
}