/* NavHub 文档 — 布局参考 VitePress / OpenList Docs 风格 */

:root {
  --vp-c-bg: #1b1b1f;
  --vp-c-bg-alt: #161618;
  --vp-c-bg-elv: #202127;
  --vp-c-border: #3c3f44;
  --vp-c-divider: #2e2e32;
  --vp-c-text-1: rgba(255, 255, 255, 0.92);
  --vp-c-text-2: rgba(235, 235, 245, 0.6);
  --vp-c-text-3: rgba(235, 235, 245, 0.38);
  --vp-c-brand-1: #646cff;
  --vp-c-brand-2: #747bff;
  --vp-c-tip: #3b82f6;
  --vp-sidebar-width: 272px;
  --vp-toc-width: 200px;
  --vp-nav-height: 64px;
  --vp-font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --vp-font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --radius: 8px;
}

[data-theme="light"] {
  --vp-c-bg: #ffffff;
  --vp-c-bg-alt: #f6f6f7;
  --vp-c-bg-elv: #ffffff;
  --vp-c-border: #e2e2e3;
  --vp-c-divider: #e2e2e3;
  --vp-c-text-1: #3c3c43;
  --vp-c-text-2: #67676c;
  --vp-c-text-3: #a8a8b0;
  --vp-c-brand-1: #3451b2;
  --vp-c-brand-2: #3a5ccc;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--vp-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--vp-c-text-1);
  background: var(--vp-c-bg);
}

a {
  color: var(--vp-c-brand-1);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* —— 顶栏 —— */
.vp-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--vp-nav-height);
  display: flex;
  align-items: center;
  padding: 0 12px 0 24px;
  background: var(--vp-c-bg-alt);
  border-bottom: 1px solid var(--vp-c-border);
}

.vp-nav__inner {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.vp-nav__menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--vp-c-text-2);
  cursor: pointer;
  font-size: 1.25rem;
  align-items: center;
  justify-content: center;
}

.vp-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--vp-c-text-1);
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
  text-decoration: none;
}
.vp-logo:hover {
  text-decoration: none;
  color: var(--vp-c-text-1);
}
.vp-logo__mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--vp-c-brand-1), #a78bfa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.vp-search-wrap {
  flex: 1;
  max-width: 320px;
  position: relative;
}

.vp-search {
  width: 100%;
  height: 38px;
  padding: 0 12px 0 36px;
  border: 1px solid var(--vp-c-border);
  border-radius: var(--radius);
  background: var(--vp-c-bg);
  color: var(--vp-c-text-1);
  font-size: 0.875rem;
  font-family: inherit;
}
.vp-search::placeholder {
  color: var(--vp-c-text-3);
}
.vp-search-wrap::before {
  content: "⌕";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--vp-c-text-3);
  font-size: 0.95rem;
  pointer-events: none;
}

.vp-search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--vp-c-border);
  color: var(--vp-c-text-3);
  background: var(--vp-c-bg-alt);
}

.vp-search-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow: auto;
  background: var(--vp-c-bg-elv);
  border: 1px solid var(--vp-c-border);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  z-index: 200;
}
.vp-search-panel ul {
  list-style: none;
  margin: 0;
  padding: 6px;
}
.vp-search-panel a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--vp-c-text-1);
  font-size: 0.875rem;
  text-decoration: none;
}
.vp-search-panel a:hover {
  background: var(--vp-c-bg-alt);
  text-decoration: none;
}
.vp-search-empty {
  padding: 12px;
  color: var(--vp-c-text-3);
  font-size: 0.875rem;
}

.vp-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.vp-nav-links a {
  padding: 6px 12px;
  border-radius: var(--radius);
  color: var(--vp-c-text-2);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}
.vp-nav-links a:hover {
  color: var(--vp-c-text-1);
  background: var(--vp-c-bg);
  text-decoration: none;
}

.vp-nav-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.vp-version {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--vp-c-border);
  color: var(--vp-c-text-2);
  background: var(--vp-c-bg);
}

.vp-icon-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--vp-c-text-2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vp-icon-btn:hover {
  background: var(--vp-c-bg);
  color: var(--vp-c-text-1);
}

a.vp-github-link {
  text-decoration: none;
  color: var(--vp-c-text-2);
}
a.vp-github-link:hover {
  color: var(--vp-c-text-1);
  text-decoration: none;
}

/* —— 主体三栏 —— */
.vp-shell {
  display: flex;
  width: 100%;
  min-height: calc(100vh - var(--vp-nav-height));
}

.vp-sidebar-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.vp-sidebar-mask.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.vp-sidebar {
  width: var(--vp-sidebar-width);
  flex-shrink: 0;
  padding: 24px 0 48px 24px;
  border-right: 1px solid var(--vp-c-border);
  background: var(--vp-c-bg-alt);
  position: sticky;
  top: var(--vp-nav-height);
  align-self: flex-start;
  max-height: calc(100vh - var(--vp-nav-height));
  overflow-y: auto;
}

.vp-sidebar-group {
  margin-bottom: 16px;
  border: none;
}
.vp-sidebar-group summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vp-c-text-3);
  padding: 8px 12px 8px 0;
  user-select: none;
}
.vp-sidebar-group summary::-webkit-details-marker {
  display: none;
}
.vp-sidebar-group summary::after {
  content: "";
  float: right;
  width: 0;
  height: 0;
  margin-top: 6px;
  border: 4px solid transparent;
  border-top-color: var(--vp-c-text-3);
}
.vp-sidebar-group[open] summary::after {
  transform: rotate(-180deg);
  margin-top: 2px;
}

.vp-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
}
.vp-sidebar li {
  margin: 0;
}
.vp-sidebar a {
  display: block;
  padding: 6px 12px;
  margin: 2px 0;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--vp-c-text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
}
.vp-sidebar a:hover {
  color: var(--vp-c-text-1);
  text-decoration: none;
}
.vp-sidebar a.is-active {
  color: var(--vp-c-brand-1);
  background: color-mix(in srgb, var(--vp-c-brand-1) 12%, transparent);
  border-left-color: var(--vp-c-brand-1);
  font-weight: 600;
}

/* —— 正文 —— */
.vp-main-wrap {
  flex: 1;
  display: flex;
  min-width: 0;
  justify-content: center;
}

.vp-main {
  flex: 1;
  max-width: 688px;
  padding: 32px 24px 64px;
  min-width: 0;
}

.vp-doc .markdown-body {
  font-size: 1rem;
}

.markdown-body > h1:first-child {
  margin-top: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--vp-c-divider);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.markdown-body h2 {
  margin: 40px 0 16px;
  padding-top: 8px;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-top: 1px solid transparent;
}
.markdown-body h2:first-of-type {
  margin-top: 28px;
}
.markdown-body h3 {
  margin: 28px 0 12px;
  font-size: 1.1rem;
  font-weight: 600;
}

.markdown-body p {
  margin: 16px 0;
  color: var(--vp-c-text-2);
}
.markdown-body strong {
  color: var(--vp-c-text-1);
}

.markdown-body ul,
.markdown-body ol {
  margin: 16px 0;
  padding-left: 1.25rem;
  color: var(--vp-c-text-2);
}
.markdown-body li {
  margin: 8px 0;
}

.markdown-body blockquote {
  margin: 20px 0;
  padding: 12px 16px 12px 18px;
  border-left: 4px solid var(--vp-c-tip);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: color-mix(in srgb, var(--vp-c-tip) 14%, var(--vp-c-bg));
  color: var(--vp-c-text-2);
}
.markdown-body blockquote p {
  margin: 8px 0;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 20px 0;
  display: block;
  overflow-x: auto;
}
.markdown-body th,
.markdown-body td {
  border: 1px solid var(--vp-c-border);
  padding: 10px 14px;
  text-align: left;
}
.markdown-body th {
  background: var(--vp-c-bg-alt);
  color: var(--vp-c-text-1);
  font-weight: 600;
}

.markdown-body kbd {
  font-family: var(--vp-font-mono);
  font-size: 0.8em;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--vp-c-border);
  background: var(--vp-c-bg-alt);
  box-shadow: 0 1px 0 var(--vp-c-border);
}

.markdown-body code {
  font-family: var(--vp-font-mono);
  font-size: 0.875em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--vp-c-bg-alt);
  border: 1px solid var(--vp-c-border);
  color: var(--vp-c-brand-2);
}

.markdown-body pre {
  font-family: var(--vp-font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  background: var(--vp-c-bg-alt);
  border: 1px solid var(--vp-c-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 20px 0;
}
.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--vp-c-text-1);
}

.vp-doc-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--vp-c-divider);
  font-size: 0.8125rem;
  color: var(--vp-c-text-3);
}

/* —— 右侧目录 —— */
.vp-aside {
  width: var(--vp-toc-width);
  flex-shrink: 0;
  padding: 32px 16px 48px 0;
  position: sticky;
  top: var(--vp-nav-height);
  align-self: flex-start;
  max-height: calc(100vh - var(--vp-nav-height));
  overflow-y: auto;
}

.vp-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vp-c-text-3);
  margin: 0 0 12px 12px;
}

.vp-toc-empty {
  font-size: 0.8125rem;
  color: var(--vp-c-text-3);
  margin: 0 12px;
}

.vp-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--vp-c-divider);
}
.vp-toc-list li {
  margin: 0;
}
.vp-toc-list a {
  display: block;
  padding: 4px 0 4px 14px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--vp-c-text-3);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
}
.vp-toc-list a:hover {
  color: var(--vp-c-text-1);
  text-decoration: none;
}
.vp-toc-list a.is-active {
  color: var(--vp-c-brand-1);
  border-left-color: var(--vp-c-brand-1);
  font-weight: 500;
}
.vp-toc-depth-3 a {
  padding-left: 26px;
  font-size: 0.78rem;
}

/* —— 扩展列表 —— */
.vp-article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.vp-article-list > li {
  padding: 24px 0;
  border-bottom: 1px solid var(--vp-c-divider);
}
.vp-article-list > li:last-child {
  border-bottom: none;
}
.vp-article-meta {
  font-size: 0.8125rem;
  color: var(--vp-c-text-3);
  margin-bottom: 8px;
}

/* —— 响应式 —— */
@media (max-width: 1280px) {
  .vp-aside {
    display: none;
  }
}

@media (max-width: 959px) {
  .vp-nav__menu-btn {
    display: flex;
  }
  .vp-sidebar-mask {
    display: block;
  }
  .vp-sidebar {
    position: fixed;
    left: 0;
    top: var(--vp-nav-height);
    bottom: 0;
    z-index: 90;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.2);
  }
  .vp-sidebar.is-open {
    transform: translateX(0);
  }
  .vp-search-wrap {
    max-width: 160px;
  }
  .vp-search-kbd {
    display: none;
  }
  .vp-nav-links {
    display: none;
  }
  .vp-main {
    padding: 24px 16px 48px;
  }
}

/* —— 后台 —— */
.admin-body {
  background: var(--vp-c-bg);
  color: var(--vp-c-text-1);
}
.admin-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}
.admin-card {
  background: var(--vp-c-bg-elv);
  border: 1px solid var(--vp-c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.admin-card h1 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  color: var(--vp-c-text-1);
}
.admin-card h2 {
  color: var(--vp-c-text-1);
}
.admin-card code {
  font-size: 0.85em;
  padding: 2px 6px;
  background: var(--vp-c-bg-alt);
  border-radius: 4px;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--vp-c-text-3);
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--vp-c-border);
  background: var(--vp-c-bg-alt);
  color: var(--vp-c-text-1);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-group textarea {
  min-height: 200px;
  font-family: var(--vp-font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
}
.flash {
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.flash-ok {
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  color: #34d399;
}
.flash-err {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #f87171;
}
.table-admin {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  color: var(--vp-c-text-2);
}
.table-admin th,
.table-admin td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--vp-c-border);
}
.table-admin th {
  color: var(--vp-c-text-3);
  font-weight: 600;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}
.btn-primary {
  background: var(--vp-c-brand-1);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--vp-c-text-2);
  border: 1px solid var(--vp-c-border);
}
.btn-ghost:hover {
  color: var(--vp-c-text-1);
  text-decoration: none;
}
.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.35);
}

.footer-note {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--vp-c-text-3);
}