/**
 * 学号/工号规则与校验工具：与 Docsify vue 主题一致（#42b983、Source Sans Pro、#34495e）
 */

:root {
  --uv-theme: #42b983;
  --uv-theme-dark: #3aa876;
  --uv-theme-soft: rgba(66, 185, 131, 0.12);
  --uv-theme-border: rgba(66, 185, 131, 0.35);
  --uv-text: #34495e;
  --uv-muted: #7f8c8d;
  --uv-border: #e8e8e8;
  --uv-code-bg: #f8f8f8;
  --uv-card: #fff;
  --uv-radius: 8px;
  --uv-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  --uv-good-bg: rgba(66, 185, 131, 0.1);
  --uv-bad-bg: #fef2f1;
  --uv-bad-text: #9b2c24;
  --uv-warn-bg: #fff8e6;
}

/* ----- 嵌入 Docsify：规则表（抵消 vue 主题 table{display:block}） ----- */
.markdown-section .userid-valid-embed {
  color: var(--uv-text);
  font-size: 15px;
  line-height: 1.6;
  margin: 0.75rem 0 0;
  width: 100%;
  max-width: 100%;
  text-align: left;
}

.markdown-section .userid-valid-embed .container--wide {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

.markdown-section .userid-valid-embed .rules-doc-head {
  text-align: left;
}

.markdown-section .userid-valid-embed .rules-doc-meta {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--uv-muted);
  line-height: 1.65;
}

.markdown-section .userid-valid-embed .rules-doc-head p {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.markdown-section .userid-valid-embed .table-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
  border: 1px solid var(--uv-border);
  border-radius: var(--uv-radius);
  background: var(--uv-card);
  box-shadow: var(--uv-shadow);
  width: 100%;
}

.markdown-section .userid-valid-embed .rules-table-panel {
  position: relative;
  margin-bottom: 1.5rem;
}

.markdown-section .userid-valid-embed .rules-table-panel .table-scroll {
  margin-bottom: 0;
}

.markdown-section .userid-valid-embed .rules-table-panel__toolbar {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 0.5rem;
}

.markdown-section .userid-valid-embed .rules-table-panel__fullscreen-btn {
  appearance: none;
  border: 1px solid var(--uv-theme-border);
  background: #fff;
  color: var(--uv-theme);
  border-radius: 6px;
  padding: 0;
  width: 1.9rem;
  height: 1.9rem;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.markdown-section .userid-valid-embed .rules-table-panel__fullscreen-btn:hover {
  background: var(--uv-theme-soft);
}

.markdown-section .userid-valid-embed .rules-table-panel__fullscreen-icon {
  display: inline-block;
}

.markdown-section .userid-valid-embed .rules-table-panel:fullscreen {
  background: #fff;
  padding: 1rem;
  box-sizing: border-box;
  overflow: auto;
}

.markdown-section .userid-valid-embed .rules-table-panel:-webkit-full-screen {
  background: #fff;
  padding: 1rem;
  box-sizing: border-box;
  overflow: auto;
}

.markdown-section .userid-valid-embed .rules-table-panel:fullscreen .table-scroll,
.markdown-section .userid-valid-embed .rules-table-panel:-webkit-full-screen .table-scroll {
  max-height: calc(100vh - 5.5rem);
}

.markdown-section .userid-valid-embed .rules-table-panel.rules-table-panel--faux-fullscreen {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  left: 0.75rem;
  z-index: 9999;
  background: #fff;
  margin: 0;
  padding: 0.75rem;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.2);
}

.rules-table-panel-body-locked {
  overflow: hidden !important;
}

.markdown-section .userid-valid-embed .rules-table-panel.rules-table-panel--faux-fullscreen .table-scroll {
  max-height: calc(100vh - 5.5rem);
}

.markdown-section .userid-valid-embed .table-scroll--historic {
  border-color: rgba(66, 185, 131, 0.25);
  background: linear-gradient(180deg, #fafdfb 0%, #fff 55%);
}

.markdown-section .userid-valid-embed .rules-table {
  display: table !important;
  width: max-content !important;
  min-width: 100%;
  max-width: none;
  margin: 0 !important;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  font-size: 0.875rem;
  table-layout: auto;
}

.markdown-section .userid-valid-embed .rules-table thead {
  display: table-header-group !important;
}

.markdown-section .userid-valid-embed .rules-table tbody {
  display: table-row-group !important;
}

.markdown-section .userid-valid-embed .rules-table tr {
  display: table-row !important;
  border-top: none !important;
  background: transparent !important;
}

.markdown-section .userid-valid-embed .rules-table th,
.markdown-section .userid-valid-embed .rules-table td {
  display: table-cell !important;
  padding: 0.55rem 0.6rem !important;
  border: 1px solid var(--uv-border) !important;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

.markdown-section .userid-valid-embed .rules-table tbody tr:nth-child(2n) {
  background: rgba(66, 185, 131, 0.04) !important;
}

.markdown-section .userid-valid-embed .rules-table tbody tr:hover {
  background: var(--uv-theme-soft) !important;
}

.markdown-section .userid-valid-embed .rules-table th {
  background: linear-gradient(180deg, #f0faf5 0%, #e8f5ee 100%);
  color: var(--uv-theme);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
  line-height: 1.35;
}

.markdown-section .userid-valid-embed .rules-table--historic thead th {
  background: linear-gradient(180deg, #eef8f2 0%, #e4f2ea 100%);
  color: #2d6b4e;
}

.markdown-section .userid-valid-embed .rules-table code {
  display: block;
  font-family: 'Roboto Mono', Monaco, courier, monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
  color: #2d3a4d;
  background: var(--uv-code-bg);
  padding: 0.2em 0.35em;
  border-radius: 4px;
}

.markdown-section .userid-valid-embed .rules-table br {
  display: none;
}

.markdown-section .userid-valid-embed .rules-subhead--historic {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--uv-text);
  border-bottom: none;
  text-align: left;
}

.markdown-section .userid-valid-embed .rules-historic-wrap {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 2px solid var(--uv-theme-border);
}

.markdown-section .userid-valid-embed .rules-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--uv-border);
  text-align: center;
}

.markdown-section .userid-valid-embed .rules-footer .intro {
  margin: 0 auto 0.75rem;
  font-size: 0.85rem;
  color: var(--uv-muted);
  line-height: 1.7;
}

.markdown-section .userid-valid-embed .contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin: 0;
  font-style: normal;
  font-size: 0.82rem;
  color: var(--uv-muted);
}

/* 列宽（与原版一致） */
.markdown-section .userid-valid-embed .rules-table th:nth-child(1),
.markdown-section .userid-valid-embed .rules-table td:nth-child(1) {
  width: 2.6rem;
  text-align: left;
  color: var(--uv-muted);
}

.markdown-section .userid-valid-embed .rules-table th:nth-child(4),
.markdown-section .userid-valid-embed .rules-table td:nth-child(4) {
  text-align: center;
  white-space: nowrap;
}

.markdown-section .userid-valid-embed .rules-table tbody td:nth-last-child(2) {
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.markdown-section .userid-valid-embed .rules-table--historic tbody td:nth-last-child(1) {
  text-align: center;
}

/* ----- Docsify 内：工具 iframe ----- */
.markdown-section .userid-tool-iframe-wrap {
  margin: 1rem -15px 0;
  width: calc(100% + 30px);
  max-width: none;
  line-height: 0;
  border-radius: var(--uv-radius);
  overflow: hidden;
  border: 1px solid var(--uv-border);
  box-shadow: var(--uv-shadow);
  background: var(--uv-code-bg);
}

.markdown-section .userid-tool-iframe {
  display: block;
  width: 100%;
  min-height: 560px;
  height: min(78vh, 920px);
  border: 0;
}

/* ----- 独立 tool.html（iframe 内） ----- */
html.userid-tool-root {
  font-size: 16px;
}

body.userid-tool-app {
  margin: 0;
  min-height: 100%;
  color: var(--uv-text);
  font-family: 'Source Sans Pro', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background: #fafcfb;
}

.userid-tool-app .site-main {
  padding: 0.75rem 0 1rem;
}

.userid-tool-app .container--home {
  max-width: min(1000px, 100%);
  margin: 0 auto;
  padding: 0 min(1rem, 2.5vw);
}

.userid-tool-app .panel {
  background: var(--uv-card);
  border-radius: var(--uv-radius);
  border: 1px solid var(--uv-border);
  box-shadow: var(--uv-shadow);
  padding: 1.1rem 1.2rem;
  margin-bottom: 0.85rem;
}

.userid-tool-app .panel-hint {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  color: var(--uv-muted);
  line-height: 1.55;
}

.userid-tool-app .panel-hint code {
  font-size: 0.85em;
  padding: 0.1em 0.25em;
  background: var(--uv-code-bg);
  border-radius: 4px;
}

.userid-tool-app .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.userid-tool-app .panel-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.userid-tool-app .panel-toolbar-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--uv-text);
}

.userid-tool-app .help-icon-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--uv-theme-border);
  border-radius: 50%;
  background: #fff;
  color: var(--uv-theme);
  cursor: pointer;
}

.userid-tool-app .help-icon-btn:hover {
  background: var(--uv-theme-soft);
}

.userid-tool-app .panel-help-detail {
  margin: 0 0 0.75rem;
  padding: 0.75rem 0.9rem;
  background: var(--uv-code-bg);
  border: 1px solid var(--uv-border);
  border-radius: 6px;
  font-size: 0.84rem;
  color: var(--uv-text);
}

.userid-tool-app .panel-help-detail[hidden] {
  display: none !important;
}

.userid-tool-app .panel-help-h {
  font-size: 0.88rem;
  font-weight: 600;
  margin: 0.65rem 0 0.35rem;
  color: var(--uv-theme);
}

.userid-tool-app .panel-help-ol {
  margin: 0.25rem 0 0.4rem;
  padding-left: 1.25rem;
  color: var(--uv-muted);
}

.userid-tool-app .regex-input {
  width: 100%;
  margin-bottom: 0.65rem;
  padding: 0.55rem 0.75rem;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.86rem;
  border: 1px solid var(--uv-border);
  border-radius: 6px;
  resize: vertical;
  min-height: 4rem;
}

.userid-tool-app .regex-input:focus {
  outline: none;
  border-color: var(--uv-theme);
  box-shadow: 0 0 0 2px var(--uv-theme-soft);
}

.userid-tool-app .row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: stretch;
  margin-bottom: 0.65rem;
}

.userid-tool-app input[type='text'] {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--uv-border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.userid-tool-app input[type='text']:focus {
  outline: none;
  border-color: var(--uv-theme);
  box-shadow: 0 0 0 2px var(--uv-theme-soft);
}

.userid-tool-app select {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--uv-border);
  border-radius: 6px;
  font-size: 0.92rem;
  background: #fff;
}

.userid-tool-app button {
  padding: 0.55rem 1.1rem;
  background: var(--uv-theme);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
}

.userid-tool-app button:hover {
  background: var(--uv-theme-dark);
}

.userid-tool-app .muted {
  color: var(--uv-muted);
  font-size: 0.88rem;
  margin: 0.4rem 0 0;
}

.userid-tool-app .muted.small {
  font-size: 0.8rem;
  display: block;
  margin-top: 0.35rem;
}

.userid-tool-app .match-item-name {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.userid-tool-app .gen-label {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: var(--uv-muted);
}

.userid-tool-app .conflict-samples {
  font-size: 0.8rem;
  color: var(--uv-muted);
  margin: 0.2rem 0 0;
  font-family: ui-monospace, Consolas, monospace;
}

.userid-tool-app .scan-warn-list {
  margin: 0.3rem 0 0;
  padding-left: 1rem;
  font-size: 0.8rem;
  color: #b45309;
}

.userid-tool-app .warn-li {
  margin-top: 0.15rem;
}

.userid-tool-app .pairwise-rule-col {
  max-width: 20rem;
}

.userid-tool-app .pairwise-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.userid-tool-app .pairwise-note {
  font-size: 0.78rem;
  line-height: 1.45;
}

.userid-tool-app .pairwise-ex code {
  margin-right: 0.3rem;
}

.userid-tool-app .card {
  padding: 0.85rem 1rem;
  border-radius: 6px;
  margin-top: 0.55rem;
}

.userid-tool-app .card-title {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.userid-tool-app .card.good {
  background: var(--uv-good-bg);
  border: 1px solid var(--uv-theme-border);
}

.userid-tool-app .card.good .card-title {
  color: #2d6b4e;
}

.userid-tool-app .card.bad {
  background: var(--uv-bad-bg);
  border: 1px solid rgba(180, 50, 40, 0.18);
  color: var(--uv-bad-text);
}

.userid-tool-app .card.warn {
  background: var(--uv-warn-bg);
  border: 1px solid rgba(180, 120, 0, 0.28);
}

.userid-tool-app .card.warn .card-title {
  color: #8a5a00;
}

.userid-tool-app .match-list,
.userid-tool-app .conflict-list,
.userid-tool-app .scan-meta-list {
  margin: 0.35rem 0 0;
  padding-left: 1.15rem;
}

.userid-tool-app .match-re,
.userid-tool-app .pairwise-re {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.76rem;
  word-break: break-all;
  white-space: pre-wrap;
}

.userid-tool-app .pairwise-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.userid-tool-app .pairwise-table th,
.userid-tool-app .pairwise-table td {
  border: 1px solid var(--uv-border);
  padding: 0.4rem 0.45rem;
  vertical-align: top;
}

.userid-tool-app .pairwise-table th {
  background: var(--uv-theme-soft);
  text-align: left;
}

.userid-tool-app .table-scroll {
  overflow-x: auto;
  margin-top: 0.5rem;
}

.userid-tool-app .gen-id {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.userid-tool-app .site-footer {
  margin-top: 0.75rem;
  padding: 0.85rem 0.5rem 0;
  border-top: 1px solid var(--uv-border);
  text-align: center;
}

.userid-tool-app .site-footer .intro {
  margin: 0 auto 0.5rem;
  font-size: 0.8rem;
  color: var(--uv-muted);
  line-height: 1.65;
  white-space: normal;
}

.userid-tool-app .contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem 1rem;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--uv-muted);
}

@media (max-width: 520px) {
  .userid-tool-app .row {
    flex-direction: column;
  }

  .userid-tool-app button {
    width: 100%;
  }
}