/* 科判悬浮查看器 */
body.lms-kepan-open {
  overflow: hidden;
}

.lms-kepan-overlay {
  position: fixed;
  inset: 0;
  z-index: 10040;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(17, 24, 39, 0.48);
  backdrop-filter: blur(2px);
}

.lms-kepan-overlay[hidden] {
  display: none !important;
}

.lms-kepan-dialog {
  width: min(1280px, calc(100vw - 20px));
  height: min(900px, calc(100vh - 28px));
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  background: #fffaf3;
  color: #1f2937;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.lms-kepan-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid #eadfce;
  background: linear-gradient(180deg, #fff8ee 0%, #fffaf3 100%);
}

.lms-kepan-header h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  color: #7c2d12;
}

.lms-kepan-meta {
  margin: 6px 0 0;
  font-size: 13px;
  color: #8b6b4f;
}

.lms-kepan-close {
  all: unset;
  box-sizing: border-box;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 1px solid #e5d5c0 !important;
  border-radius: 999px !important;
  background: #fff !important;
  color: #7c2d12 !important;
  font-size: 20px !important;
  font-weight: 400 !important;
  line-height: 1 !important;
  padding: 0 !important;
  margin: 0 !important;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  text-align: center;
  appearance: none;
  -webkit-appearance: none;
}

.lms-kepan-close:hover,
.lms-kepan-close:focus,
.lms-kepan-close:focus-visible {
  background: #fff7ed !important;
  color: #7c2d12 !important;
  outline: none;
  box-shadow: 0 0 0 2px rgba(124, 45, 18, 0.15);
}

.lms-kepan-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid #eadfce;
}

.lms-kepan-depth {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 0 0 auto;
}

.lms-kepan-search {
  flex: 1 1 220px;
  min-width: 180px;
  height: 36px;
  border: 1px solid #e0d2bf;
  border-radius: 10px;
  padding: 0 12px;
  background: #fff;
  color: #1f2937;
}

.lms-kepan-depth button {
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid #e0d2bf;
  background: #fff;
  color: #6b4f3a;
  font-size: 12px;
  cursor: pointer;
}

.lms-kepan-depth button.is-active {
  background: #7c2d12;
  border-color: #7c2d12;
  color: #fff;
}

.lms-kepan-body {
  flex: 1;
  min-height: 0;
  display: grid;
  /* 入行论科判层级很深，左侧需要更宽 */
  grid-template-columns: minmax(380px, 48%) minmax(0, 1fr);
}

.lms-kepan-tree {
  overflow: auto;
  padding: 10px 10px 16px;
  border-right: 1px solid #eadfce;
  background: #f7efe4;
  /* 深层仍不够宽时，可横向滚动，避免挤成一字一行 */
  overflow-x: auto;
  overflow-y: auto;
}

.lms-kepan-content {
  overflow: auto;
  padding: 18px 20px 24px;
  background: #fffdf9;
  min-width: 0;
}

.lms-kepan-root,
.lms-kepan-children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lms-kepan-root {
  /* 保证最深节点也有可读宽度，超出则整树横滚 */
  min-width: min(100%, 320px);
}

.lms-kepan-children {
  margin-left: 10px;
  padding-left: 6px;
  border-left: 1px dashed #d7c4ab;
}

/* 第 4 层以后缩进更紧，省横向空间 */
.lms-kepan-node[data-depth="4"] > .lms-kepan-children,
.lms-kepan-node[data-depth="5"] > .lms-kepan-children,
.lms-kepan-node[data-depth="6"] > .lms-kepan-children,
.lms-kepan-node[data-depth="7"] > .lms-kepan-children,
.lms-kepan-node[data-depth="8"] > .lms-kepan-children,
.lms-kepan-node[data-depth="9"] > .lms-kepan-children,
.lms-kepan-node[data-depth="10"] > .lms-kepan-children,
.lms-kepan-node[data-depth="11"] > .lms-kepan-children,
.lms-kepan-node[data-depth="12"] > .lms-kepan-children {
  margin-left: 6px;
  padding-left: 4px;
}

.lms-kepan-node-row {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  min-width: 0;
}

.lms-kepan-toggle {
  width: 22px;
  height: 28px;
  border: 0;
  background: transparent;
  color: #8b6b4f;
  cursor: pointer;
  flex: 0 0 22px;
  padding: 0;
}

.lms-kepan-toggle.is-leaf {
  cursor: default;
}

.lms-kepan-node-btn {
  flex: 1 1 auto;
  min-width: 12em;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent !important;
  color: #3f2a1d !important;
  padding: 5px 8px;
  cursor: pointer;
  line-height: 1.45;
  box-shadow: none !important;
}

.lms-kepan-node-btn:hover,
.lms-kepan-node-btn:focus,
.lms-kepan-node-btn:focus-visible,
.lms-kepan-node-btn:active {
  background: #fff7ed !important;
  border-color: #e7c9a4 !important;
  color: #3f2a1d !important;
  box-shadow: none !important;
}

.lms-kepan-node.is-active > .lms-kepan-node-row .lms-kepan-node-btn,
.lms-kepan-node.is-active > .lms-kepan-node-row .lms-kepan-node-btn:hover,
.lms-kepan-node.is-active > .lms-kepan-node-row .lms-kepan-node-btn:focus,
.lms-kepan-node.is-active > .lms-kepan-node-row .lms-kepan-node-btn:active {
  background: #fff1e0 !important;
  border-color: #d6a574 !important;
  color: #3f2a1d !important;
  box-shadow: inset 0 0 0 1px rgba(124, 45, 18, 0.08) !important;
}

.lms-kepan-node-btn:hover .lms-kepan-label,
.lms-kepan-node-btn:focus .lms-kepan-label,
.lms-kepan-node-btn:active .lms-kepan-label,
.lms-kepan-node.is-active .lms-kepan-label {
  color: #9a3412 !important;
}

.lms-kepan-node-btn:hover .lms-kepan-node-title,
.lms-kepan-node-btn:focus .lms-kepan-node-title,
.lms-kepan-node-btn:active .lms-kepan-node-title,
.lms-kepan-node.is-active .lms-kepan-node-title {
  color: #3f2a1d !important;
}

.lms-kepan-label {
  font-weight: 700;
  color: #9a3412;
  white-space: nowrap;
  flex: 0 0 auto;
}

.lms-kepan-node-title {
  color: #3f2a1d;
  /* 中文按词/句换行，避免被挤成竖排单字 */
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: loose;
  flex: 1 1 8em;
  min-width: 8em;
}

.lms-kepan-split {
  font-size: 11px;
  color: #a16207;
  border: 1px solid #f0d9a8;
  background: #fffbeb;
  border-radius: 999px;
  padding: 0 6px;
}

.lms-kepan-crumbs {
  font-size: 12px;
  color: #8b6b4f;
  margin-bottom: 10px;
  line-height: 1.6;
}

.lms-kepan-crumbs span {
  opacity: 0.55;
  margin: 0 4px;
}

.lms-kepan-content-title {
  margin: 0 0 14px;
  font-size: 18px;
  color: #7c2d12;
  line-height: 1.45;
}

.lms-kepan-text {
  font-size: 16px;
  line-height: 1.95;
  color: #1f2937;
  padding: 14px 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #eadfce;
}

.lms-kepan-child-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.lms-kepan-child-links button {
  width: 100%;
  text-align: left;
  border: 1px solid #eadfce;
  border-radius: 10px;
  background: #fff !important;
  padding: 10px 12px;
  cursor: pointer;
  color: #4b3424 !important;
  box-shadow: none !important;
}

.lms-kepan-child-links button:hover,
.lms-kepan-child-links button:focus,
.lms-kepan-child-links button:active {
  border-color: #d6a574 !important;
  background: #fff7ed !important;
  color: #4b3424 !important;
  box-shadow: none !important;
}

.lms-kepan-empty {
  margin: 16px;
  color: #8b6b4f;
  font-size: 14px;
}

.lms-kepan-toggle-btn {
  /* inherits .ausbia-lesson-tools__toggle */
}

.lms-course-kepan-entry {
  margin-bottom: 18px;
}

.lms-course-kepan-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid #eadfce;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff7ed 0%, #fffbeb 100%);
  color: #7c2d12;
  padding: 14px 16px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(124, 45, 18, 0.06);
  text-align: left;
}

.lms-course-kepan-btn:hover {
  border-color: #d6a574;
}

.lms-course-kepan-btn-title {
  font-size: 16px;
  font-weight: 700;
}

.lms-course-kepan-btn-meta {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: #8b6b4f;
  font-weight: 400;
}

.lms-course-kepan-btn-action {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  background: #7c2d12;
  color: #fff;
}

@media (max-width: 820px) {
  .lms-kepan-dialog {
    height: min(920px, calc(100vh - 16px));
  }

  .lms-kepan-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(240px, 44%) 1fr;
  }

  .lms-kepan-tree {
    border-right: 0;
    border-bottom: 1px solid #eadfce;
  }

  .lms-kepan-node-btn {
    min-width: 10em;
  }
}