/* ==========================================================================
   等保标准查询系统 — 扩展要求查询模块 (ext)
   颜色 / 圆角 / 阴影 / 字体一律取自 site.css 的 CSS 变量
   ========================================================================== */

/* ============================== 布局 ============================== */

.ext-app {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.ext-side {
  padding: 14px 12px;
  position: sticky;
  top: calc(var(--header-h) + 58px);
  max-height: calc(100vh - var(--header-h) - 76px);
  overflow-y: auto;
}

.ext-side-sec + .ext-side-sec { margin-top: 4px; }

.ext-side-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 4px 8px;
}

.ext-main { min-width: 0; }

/* ============================== 侧栏 ============================== */

.ext-theme-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ext-theme-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.13s, color 0.13s, border-color 0.13s;
}
.ext-theme-item:hover { background: var(--blue-bg); color: var(--blue-d); }
.ext-theme-item:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.ext-theme-item.active {
  background: var(--blue-bg);
  color: var(--blue-d);
  border-color: var(--blue-line);
  font-weight: 600;
}
.ext-theme-icon { font-size: 15px; line-height: 1; flex-shrink: 0; }
.ext-theme-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ext-theme-count {
  font-size: 11px;
  color: var(--sub);
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0 6px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.ext-theme-item.active .ext-theme-count {
  background: var(--card);
  border-color: var(--blue-line);
  color: var(--blue-d);
}

.ext-tool-list { display: flex; flex-direction: column; gap: 3px; }

.ext-tool-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 9px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-2);
  font-family: inherit;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.13s, color 0.13s, border-color 0.13s;
}
.ext-tool-btn:hover { background: var(--blue-bg); color: var(--blue-d); }
.ext-tool-btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.ext-tool-btn.active {
  background: var(--blue-bg);
  color: var(--blue-d);
  border-color: var(--blue-line);
  font-weight: 600;
}

.ext-stats { font-size: 12px; color: var(--sub); line-height: 1.9; padding: 0 4px; }
.ext-stats b { color: var(--blue-d); font-variant-numeric: tabular-nums; }

/* ============================== 搜索条 ============================== */

.ext-searchbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.ext-search {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.ext-search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--muted);
  pointer-events: none;
}
.ext-search-input {
  width: 100%;
  padding: 9px 12px 9px 32px;
  font-size: 13.5px;
}
.ext-search-hint { font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ============================== 视图容器 ============================== */

.ext-content { min-width: 0; }
.ext-view { display: none; }
.ext-view.active { display: block; }

.ext-view-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
}
.ext-view-title small { font-size: 12.5px; font-weight: 500; color: var(--muted); margin-left: 6px; }
.ext-lead { font-size: 13.5px; color: var(--sub); margin: 0 0 16px; line-height: 1.75; }

/* ============================== 总览页 ============================== */

.ext-hero {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.8;
}
.ext-hero strong { color: var(--blue-d); font-size: 15px; }

.ext-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(184px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.ext-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  text-align: left;
  font-family: inherit;
  display: block;
  width: 100%;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.ext-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  border-color: var(--blue-line);
}
.ext-card:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.ext-card-accent { height: 3px; background: var(--ext-theme-color, var(--blue)); }
.ext-card-body { padding: 12px 14px 14px; }
.ext-card-icon { font-size: 20px; line-height: 1.2; margin-bottom: 6px; }
.ext-card-title { font-size: 14px; font-weight: 650; color: var(--ink); margin-bottom: 3px; }
.ext-card-count { font-size: 12px; color: var(--sub); }
.ext-card-count b { color: var(--blue-d); font-weight: 700; }

.ext-scenarios { margin: 0; padding-left: 22px; }
.ext-scenarios li { font-size: 13.5px; color: var(--ink-2); line-height: 1.9; margin-bottom: 6px; }
.ext-scenarios strong { color: var(--blue-d); }

/* ============================== 结果列表 ============================== */

.ext-list { margin-bottom: 12px; }

.ext-item {
  display: block;
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  padding: 12px 18px;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s;
}
.ext-item:last-child { border-bottom: none; }
.ext-item:hover { background: var(--blue-bg); }
.ext-item:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
.ext-item-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13.5px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 3px;
}
.ext-item-title .mono { color: var(--blue-d); }
.ext-item-meta { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.ext-item-text { font-size: 13px; color: var(--ink-2); line-height: 1.7; }

.ext-mark {
  background: var(--amber-bg);
  color: var(--amber);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}

.ext-flag {
  display: inline-block;
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-line);
  font-size: 11px;
  font-weight: 650;
  padding: 0 6px;
  border-radius: 4px;
}

/* ============================== 详情 ============================== */

.ext-back {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--sub);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}
.ext-back:hover { color: var(--blue-d); text-decoration: underline; }

.ext-detail-head {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.ext-code {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-d);
  background: var(--blue-bg);
  border: 1px solid var(--blue-line);
  border-radius: 5px;
  padding: 2px 8px;
}
.ext-detail-title { font-size: 18px; font-weight: 700; color: var(--ink); margin: 9px 0 8px; line-height: 1.5; }
.ext-detail-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.ext-detail-summary { font-size: 13.5px; color: var(--ink-2); line-height: 1.8; margin: 12px 0 0; }

.ext-sec-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  margin: 20px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.ext-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.ext-block-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue-d);
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ext-ind {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.ext-ind:last-child { border-bottom: none; }
.ext-ind-key {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  background: var(--blue);
  color: var(--card);
  margin-top: 1px;
}
.ext-ind-text { font-size: 13.5px; color: var(--ink); line-height: 1.8; }
.ext-ind.obj .ext-ind-key { background: var(--green); }
.ext-ind.impl .ext-ind-key { background: var(--amber); }
.ext-ind.jdg .ext-ind-key { background: var(--purple); }
.ext-ind.jdg .ext-ind-text { color: var(--ink-2); font-size: 13px; }

.ext-method-sec + .ext-method-sec { margin-top: 14px; }
.ext-method-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--sub);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.ext-method-body {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.75;
}
.ext-method-body pre {
  font-family: var(--mono);
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}
.ext-method-list { margin: 0; padding-left: 20px; }
.ext-method-list li { font-size: 13px; color: var(--ink-2); line-height: 1.8; }

/* ============================== 关系图 ============================== */

.ext-graph-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.ext-graph {
  height: 560px;
  width: 100%;
  background: var(--card);
}
.ext-graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--card-2);
  font-size: 12px;
  color: var(--sub);
}
.ext-legend-item { display: flex; align-items: center; gap: 6px; }
.ext-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--ext-theme-color, var(--blue));
  border: 1px solid var(--line);
}

/* ============================== 思维导图 ============================== */

.ext-map-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.ext-map-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: auto;
  max-height: 620px;
}
.ext-map-svg {
  display: block;
  max-width: none;
  background: var(--card);
  cursor: grab;
  touch-action: none;
}
.ext-map-svg.dragging { cursor: grabbing; }
.ext-map-link { fill: none; stroke: var(--line); stroke-width: 1.4; }
.ext-map-node { cursor: pointer; }
.ext-map-node:hover .ext-map-box-bg { filter: brightness(0.97); }
.ext-map-box-bg { stroke-width: 1.4; }
.ext-map-root-box { fill: var(--blue); stroke: var(--blue-d); }
.ext-map-root-text { fill: var(--card); font-size: 13px; font-weight: 700; }
.ext-map-theme-box { fill: var(--blue-bg); stroke: var(--blue-line); }
.ext-map-theme-text { fill: var(--blue-d); font-size: 13px; font-weight: 650; }
.ext-map-std-box { fill: var(--card-2); stroke: var(--line); }
.ext-map-std-text { fill: var(--ink-2); font-size: 12px; }
.ext-map-std-count { fill: var(--muted); font-size: 11px; }

/* ============================== 检查清单 ============================== */

.ext-check-controls { margin-bottom: 12px; }
.ext-check-controls .select { min-width: 190px; }
.ext-preview {
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  max-height: 62vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

/* ============================== 响应式 ============================== */

@media (max-width: 900px) {
  .ext-app { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .ext-side {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 12px;
  }
  .ext-theme-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
  }
  .ext-theme-item {
    width: auto;
    border: 1px solid var(--line);
    background: var(--card-2);
    padding: 5px 9px;
  }
  .ext-theme-name { max-width: 132px; }
  .ext-tool-list { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .ext-tool-btn {
    width: auto;
    border: 1px solid var(--line);
    background: var(--card-2);
    padding: 5px 10px;
  }
  .ext-cards { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .ext-searchbar { padding: 10px 12px; gap: 8px; }
  .ext-search-hint { display: none; }
  .ext-graph { height: 420px; }
  .ext-map-svg { touch-action: pan-y; }
  .ext-map-box { max-height: 420px; }
  .ext-preview { max-height: 50vh; }
  .ext-check-controls .select { min-width: 0; width: 100%; }
}