/* GitBook-like (flat) tweaks - keep minimal, no shadow, no gradient */

/* Bootstrap 5.3.8 overrides - CSS variables */
:root {
  --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-size: 1rem;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.6;
  --bs-body-color: #1a1a1a;
  --bs-secondary-color: #6b7280;
  --bs-link-color: #2563eb;
  --bs-link-hover-color: #1d4ed8;
  --bs-border-color: #e5e7eb;
}

.app-shell {
  min-height: calc(100vh - 56px);
}

/* Navbar - flat, no shadow */
.navbar {
  min-height: 48px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  box-shadow: none;
}
.navbar .input-group .form-control,
.navbar .input-group .input-group-text {
  border-color: var(--bs-border-color);
  box-shadow: none;
}

/* 移动端：左 toggler、中 logo、右搜索框 */
@media (max-width: 991.98px) {
  .navbar .navbar-brand {
    font-size: 1rem;
  }
  .navbar-mobile-search {
    min-width: 0;
    max-width: 160px;
  }
  .navbar-mobile-search .form-control {
    width: 100%;
    min-width: 80px;
  }
  .navbar-mobile-search .btn-link {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .navbar-mobile-search .btn-link:hover {
    background: var(--bs-secondary-bg);
  }
}

/* Doc layout */
.app-doc-sidebar {
  width: 280px;
  min-width: 280px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  background: var(--bs-body-bg);
  border-right: 1px solid var(--bs-border-color);
}

.app-doc-main {
  min-width: 0;
  min-height: 0;
}

.app-doc-content {
  max-width: 100%;
  padding: 28px 32px;
  min-height: 0; /* flex 子项可收缩，才能出现滚动 */
}
.app-doc-content-inner {
  max-width: 1200px;
  width: 100%;
}

/* 右侧：文档段落导航（固定，随主内容滚动时保持可见） */
.app-doc-outline-sidebar {
  width: 240px;
  min-width: 240px;
  flex-shrink: 0;
  align-self: flex-start;
  position: sticky;
  top: 0;
  max-height: 100vh;
  overflow-y: auto;
  background: var(--bs-body-bg);
  border-left: 1px solid var(--bs-border-color);
}

.app-doc-outline-nav .app-doc-outline {
  margin: 0;
  padding-left: 0;
}

.app-doc-outline-link {
  padding: 4px 0;
  font-size: 0.85rem;
  color: var(--bs-body-color);
  border-radius: var(--bs-border-radius-sm);
}

.app-doc-outline-link:hover {
  background: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

.app-doc-outline-level-1 { padding-left: 0; }
.app-doc-outline-level-2 { padding-left: 12px; }
.app-doc-outline-level-3 { padding-left: 24px; }

@media (max-width: 1199.98px) {
  .app-doc-outline-sidebar {
    display: none;
  }
}

@media (max-width: 992px) {
  .app-doc-sidebar {
    display: none;
  }
  .app-doc-content {
    padding-left: 16px;
    padding-right: 16px;
    min-width: 0;
  }
  .app-doc-content-inner {
    max-width: 100%;
    overflow-x: hidden;
    word-wrap: break-word;
  }
}

/* TOC */
.toc {
  list-style: none;
  margin: 0;
  padding-left: 0;
}

.toc-children {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--bs-border-color);
}

.toc-link {
  border-radius: var(--bs-border-radius-sm);
  padding: 6px 10px;
  color: var(--bs-body-color);
  font-size: 0.9rem;
}

.toc-link:hover {
  background: var(--bs-secondary-bg);
  color: var(--bs-body-color);
}

.toc-link.active {
  background: var(--bs-primary-bg-subtle);
  color: var(--bs-primary-text-emphasis);
  font-weight: 600;
}

/* Headings - scoped to doc/content */
.app-doc-content h1,
.markdown-content h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.5rem;
}
.app-doc-content h2,
.markdown-content h2 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}
.app-doc-content h3,
.markdown-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.375rem;
}

/* Content - p and section spacing */
.markdown-content p {
  margin: 0 0 1rem;
}
.app-doc-content-inner > * + * {
  margin-top: 1.5rem;
}

/* UI state - flat, no shadow */
:focus-visible {
  outline: 2px solid var(--bs-link-color);
  outline-offset: 2px;
  box-shadow: none;
}
.btn:hover,
.nav-link:hover {
  box-shadow: none;
}
.btn:focus,
.nav-link:focus,
.form-control:focus {
  box-shadow: none;
}
.disabled,
[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
  color: var(--bs-secondary-color);
}

/* Markdown editor (EasyMDE) on doc form */
.doc-form .EasyMDEContainer {
  margin-bottom: 0.5rem;
}
.doc-form .CodeMirror {
  border: 1px solid var(--bs-border-color);
  min-height: 320px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--bs-border-color);
}


/* Minimal app styles.
   UI is primarily Bootstrap 5.3.8 + web/css/style.css (flat, no shadow/gradient). */

.markdown-content pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.markdown-content code {
    font-family: var(--bs-font-monospace);
}

/* 移动端 doc 详情：表格/图片/长内容一屏内不撑乱 */
.markdown-content table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

.markdown-content img {
    max-width: 100%;
    height: auto;
}

.markdown-content {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.app-doc-content .markdown-content pre,
.app-doc-content .markdown-content table {
    margin-left: 0;
    margin-right: 0;
}