/* AX-WIKI - stylesheet. Same design tokens as AX-PROJECT. */
:root {
  --ax-primary: #0052CC;
  --ax-primary-dark: #0747A6;
  --ax-primary-light: #DEEBFF;
  --ax-text: #172B4D;
  --ax-subtle: #6B778C;
  --ax-border: #DFE1E6;
  --ax-bg: #FFFFFF;
  --ax-bg-alt: #F4F5F7;
  --ax-bg-hover: #EBECF0;
  --ax-green: #00875A;
  --ax-red: #DE350B;
  --ax-yellow: #FF8B00;
  --ax-radius: 3px;
  --ax-nav-h: 48px;
  --ax-side-w: 264px;
  --ax-shadow: 0 1px 3px rgba(9,30,66,.18);
  --ax-shadow-lg: 0 8px 16px -4px rgba(9,30,66,.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ax-text);
  background: var(--ax-bg);
}
a { color: var(--ax-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; font-size: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--ax-primary); outline-offset: 2px; }

/* --------------------------------------------------------------- top bar */
.ax-nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--ax-nav-h);
  background: var(--ax-bg); border-bottom: 1px solid var(--ax-border);
  display: flex; align-items: center; gap: 8px; padding: 0 12px; z-index: 300;
}
.ax-logo {
  display: flex; align-items: center; gap: 8px; font-weight: 700;
  color: var(--ax-text); letter-spacing: -.2px; padding-right: 8px;
}
.ax-logo:hover { text-decoration: none; }
.ax-logo-mark {
  width: 26px; height: 26px; border-radius: var(--ax-radius);
  background: var(--ax-primary); color: #fff; display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
}
.ax-nav-btn {
  background: none; border: none; border-radius: var(--ax-radius);
  padding: 6px 10px; color: var(--ax-text); font-weight: 500;
}
.ax-nav-btn:hover { background: var(--ax-bg-hover); }
.ax-nav-spacer { flex: 1; }
.ax-search {
  position: relative; width: 320px; max-width: 40vw;
}
.ax-search input {
  width: 100%; height: 32px; padding: 0 10px 0 30px; font-size: 14px;
  border: 2px solid var(--ax-border); border-radius: var(--ax-radius);
  background: var(--ax-bg-alt); color: var(--ax-text);
}
.ax-search input:focus {
  background: #fff; border-color: var(--ax-primary); outline: none;
}
.ax-search svg { position: absolute; left: 9px; top: 8px; color: var(--ax-subtle); }
.ax-search-results {
  position: absolute; top: 38px; left: 0; right: 0; background: #fff;
  border: 1px solid var(--ax-border); border-radius: var(--ax-radius);
  box-shadow: var(--ax-shadow-lg); max-height: 60vh; overflow: auto; display: none;
}
.ax-search-results.open { display: block; }
.ax-search-item { display: block; padding: 8px 12px; color: var(--ax-text); }
.ax-search-item:hover { background: var(--ax-bg-alt); text-decoration: none; }
.ax-search-item small { color: var(--ax-subtle); }

.ax-avatar {
  width: 28px; height: 28px; border-radius: 50%; color: #fff; font-size: 12px;
  font-weight: 600; display: grid; place-items: center; flex: none;
}
.ax-avatar.sm { width: 20px; height: 20px; font-size: 10px; }
.ax-badge {
  position: absolute; top: 2px; right: 2px; min-width: 16px; height: 16px;
  background: var(--ax-red); color: #fff; border-radius: 8px; font-size: 10px;
  display: grid; place-items: center; padding: 0 4px;
}

/* ---------------------------------------------------------------- layout */
.ax-shell { display: flex; padding-top: var(--ax-nav-h); min-height: 100vh; }
.ax-sidebar {
  width: var(--ax-side-w); flex: none; background: var(--ax-bg-alt);
  border-right: 1px solid var(--ax-border); position: sticky;
  top: var(--ax-nav-h); height: calc(100vh - var(--ax-nav-h));
  overflow-y: auto; padding: 12px 0;
}
.ax-sidebar-head {
  display: flex; gap: 10px; align-items: center; padding: 4px 16px 12px;
}
.ax-space-icon {
  width: 32px; height: 32px; border-radius: var(--ax-radius); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 13px; flex: none;
}
.ax-sidebar-title { font-weight: 600; font-size: 15px; line-height: 1.2; }
.ax-sidebar-sub { color: var(--ax-subtle); font-size: 12px; }
.ax-side-section {
  padding: 8px 16px 4px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: var(--ax-subtle);
}
.ax-side-link {
  display: flex; align-items: center; gap: 8px; padding: 6px 16px;
  color: var(--ax-text); border-radius: 0;
}
.ax-side-link:hover { background: var(--ax-bg-hover); text-decoration: none; }
.ax-side-link.active {
  background: var(--ax-primary-light); color: var(--ax-primary-dark);
  font-weight: 600; box-shadow: inset 2px 0 0 var(--ax-primary);
}

.ax-tree { padding: 4px 0 24px; }
.ax-tree-item { display: flex; align-items: center; }
.ax-tree-toggle {
  width: 20px; height: 24px; border: none; background: none; color: var(--ax-subtle);
  display: grid; place-items: center; flex: none; padding: 0;
}
.ax-tree-toggle.empty { visibility: hidden; }
.ax-tree-link {
  flex: 1; padding: 4px 8px 4px 0; color: var(--ax-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ax-tree-item:hover { background: var(--ax-bg-hover); }
.ax-tree-item.active { background: var(--ax-primary-light); }
.ax-tree-item.active .ax-tree-link { color: var(--ax-primary-dark); font-weight: 600; }
.ax-tree-children { display: none; }
.ax-tree-children.open { display: block; }

.ax-main { flex: 1; min-width: 0; }
.ax-content {
  max-width: 900px; margin: 0 auto; padding: 24px 40px 80px;
}
.ax-content.wide { max-width: 1240px; }

/* -------------------------------------------------------------- elements */
.ax-breadcrumbs {
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
  color: var(--ax-subtle); font-size: 12px; margin-bottom: 8px;
}
.ax-breadcrumbs a { color: var(--ax-subtle); }
.ax-page-title { font-size: 29px; font-weight: 600; margin: 0 0 4px; letter-spacing: -.3px; }
.ax-page-meta { color: var(--ax-subtle); font-size: 12px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ax-page-actions { display: flex; gap: 6px; margin-left: auto; }

.ax-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 32px;
  padding: 0 12px; border-radius: var(--ax-radius); border: none;
  background: var(--ax-bg-hover); color: var(--ax-text); font-weight: 500;
}
.ax-btn:hover { background: #DFE1E6; text-decoration: none; }
.ax-btn.primary { background: var(--ax-primary); color: #fff; }
.ax-btn.primary:hover { background: var(--ax-primary-dark); }
.ax-btn.subtle { background: transparent; }
.ax-btn.subtle:hover { background: var(--ax-bg-hover); }
.ax-btn.danger { background: var(--ax-red); color: #fff; }
.ax-btn:disabled { opacity: .5; cursor: not-allowed; }
.ax-btn.sm { height: 26px; padding: 0 8px; font-size: 12px; }

.ax-input, .ax-select, .ax-textarea {
  width: 100%; padding: 6px 8px; font-size: 14px; color: var(--ax-text);
  border: 2px solid var(--ax-border); border-radius: var(--ax-radius);
  background: var(--ax-bg-alt); font-family: inherit;
}
.ax-input:focus, .ax-select:focus, .ax-textarea:focus {
  background: #fff; border-color: var(--ax-primary); outline: none;
}
.ax-field { margin-bottom: 16px; }
.ax-label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.ax-help { color: var(--ax-subtle); font-size: 12px; margin-top: 4px; }

.ax-card {
  border: 1px solid var(--ax-border); border-radius: var(--ax-radius);
  background: #fff; padding: 16px; margin-bottom: 16px;
}
.ax-card h3 { margin: 0 0 12px; font-size: 16px; }

.ax-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.ax-table th {
  text-align: left; font-size: 12px; text-transform: uppercase;
  letter-spacing: .3px; color: var(--ax-subtle); padding: 8px;
  border-bottom: 2px solid var(--ax-border);
}
.ax-table td { padding: 8px; border-bottom: 1px solid var(--ax-border);
  vertical-align: middle; }
.ax-table tr:hover td { background: var(--ax-bg-alt); }

.ax-lozenge {
  display: inline-block; padding: 1px 6px; border-radius: var(--ax-radius);
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .3px; background: var(--ax-bg-hover); color: var(--ax-subtle);
}
.ax-lozenge.green { background: #E3FCEF; color: #006644; }
.ax-lozenge.blue { background: var(--ax-primary-light); color: var(--ax-primary-dark); }
.ax-lozenge.red { background: #FFEBE6; color: #BF2600; }
.ax-lozenge.yellow { background: #FFFAE6; color: #974F0C; }

.ax-tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px;
  background: var(--ax-bg-hover); border-radius: 12px; font-size: 12px;
}

.ax-empty {
  text-align: center; padding: 48px 24px; color: var(--ax-subtle);
}
.ax-empty h3 { color: var(--ax-text); margin: 0 0 6px; }

.ax-msg {
  padding: 10px 12px; border-radius: var(--ax-radius); margin-bottom: 16px;
  border-left: 3px solid var(--ax-primary); background: var(--ax-primary-light);
}
.ax-msg.error { background: #FFEBE6; border-color: var(--ax-red); }
.ax-msg.success { background: #E3FCEF; border-color: var(--ax-green); }

/* ------------------------------------------------------- rendered content */
.ax-body { font-size: 15px; line-height: 1.714; }
.ax-body h1 { font-size: 24px; margin: 32px 0 8px; }
.ax-body h2 { font-size: 20px; margin: 28px 0 8px; }
.ax-body h3 { font-size: 16px; margin: 24px 0 8px; }
.ax-body h4, .ax-body h5, .ax-body h6 { font-size: 14px; margin: 20px 0 8px; }
.ax-body p { margin: 0 0 12px; }
.ax-body ul, .ax-body ol { margin: 0 0 12px; padding-left: 24px; }
.ax-body blockquote {
  margin: 0 0 12px; padding: 8px 16px; border-left: 3px solid var(--ax-border);
  color: var(--ax-subtle);
}
.ax-body pre {
  background: var(--ax-bg-alt); border: 1px solid var(--ax-border);
  border-radius: var(--ax-radius); padding: 12px; overflow: auto;
  font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px;
}
.ax-body code {
  background: var(--ax-bg-alt); padding: 1px 4px; border-radius: var(--ax-radius);
  font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px;
}
.ax-body pre code { background: none; padding: 0; }
.ax-body table { border-collapse: collapse; width: 100%; margin: 0 0 16px; }
.ax-body th, .ax-body td { border: 1px solid var(--ax-border); padding: 8px; }
.ax-body th { background: var(--ax-bg-alt); text-align: left; }
.ax-body img { max-width: 100%; height: auto; }
.ax-mention {
  background: var(--ax-primary-light); color: var(--ax-primary-dark);
  padding: 0 4px; border-radius: var(--ax-radius);
}

/* ---------------------------------------------------------------- editor */
.ax-editor-toolbar {
  position: sticky; top: var(--ax-nav-h); z-index: 200; background: #fff;
  border-bottom: 1px solid var(--ax-border); padding: 6px 0; margin-bottom: 16px;
  display: flex; gap: 2px; flex-wrap: wrap; align-items: center;
}
.ax-tb-btn {
  width: 30px; height: 30px; border: none; background: none;
  border-radius: var(--ax-radius); display: grid; place-items: center;
  color: var(--ax-text);
}
.ax-tb-btn:hover { background: var(--ax-bg-hover); }
.ax-tb-sep { width: 1px; height: 20px; background: var(--ax-border); margin: 0 6px; }
.ax-title-input {
  width: 100%; font-size: 29px; font-weight: 600; border: none; outline: none;
  padding: 0; margin-bottom: 12px; color: var(--ax-text); font-family: inherit;
}
.ax-title-input::placeholder { color: #B3BAC5; }
#editorBody {
  min-height: 400px; outline: none; padding-bottom: 40px;
}
.ax-editor-footer {
  position: fixed; bottom: 0; left: var(--ax-side-w); right: 0; background: #fff;
  border-top: 1px solid var(--ax-border); padding: 10px 40px; display: flex;
  gap: 8px; align-items: center; z-index: 200;
}

/* ----------------------------------------------------- table of contents */
.ax-with-toc { display: flex; gap: 32px; align-items: flex-start; }
.ax-toc {
  width: 200px; flex: none; position: sticky; top: calc(var(--ax-nav-h) + 24px);
  font-size: 13px; border-left: 2px solid var(--ax-border); padding-left: 12px;
}
.ax-toc a { display: block; padding: 3px 0; color: var(--ax-subtle); }
.ax-toc a:hover { color: var(--ax-primary); }
.ax-toc .lvl-3 { padding-left: 12px; }
.ax-toc .lvl-4, .ax-toc .lvl-5, .ax-toc .lvl-6 { padding-left: 24px; }

/* -------------------------------------------------------------- comments */
.ax-comments { margin-top: 40px; border-top: 1px solid var(--ax-border);
  padding-top: 24px; }
.ax-comment { display: flex; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--ax-border); }
.ax-comment-body { flex: 1; min-width: 0; }
.ax-comment-meta { font-size: 12px; color: var(--ax-subtle); margin-bottom: 4px; }

/* ---------------------------------------------------------------- dialog */
.ax-overlay {
  position: fixed; inset: 0; background: rgba(9,30,66,.54); z-index: 500;
  display: grid; place-items: center; padding: 24px;
}
.ax-dialog {
  background: #fff; border-radius: var(--ax-radius); box-shadow: var(--ax-shadow-lg);
  width: 100%; max-width: 560px; max-height: 86vh; display: flex;
  flex-direction: column;
}
.ax-dialog.lg { max-width: 800px; }
.ax-dialog-head {
  padding: 20px 24px 8px; font-size: 20px; font-weight: 500;
}
.ax-dialog-body { padding: 8px 24px 20px; overflow: auto; }
.ax-dialog-foot {
  padding: 12px 24px 20px; display: flex; justify-content: flex-end; gap: 8px;
}

/* ------------------------------------------------------- system settings */
.ax-admin { display: flex; }
.ax-admin-nav {
  width: var(--ax-side-w); flex: none; background: var(--ax-bg-alt);
  border-right: 1px solid var(--ax-border); min-height: calc(100vh - var(--ax-nav-h));
  padding: 16px 0;
}
.ax-admin-nav h2 { font-size: 16px; margin: 0 16px 12px; }
.ax-admin-body { flex: 1; min-width: 0; padding: 24px 40px 60px; }
.ax-admin-body h1 { font-size: 24px; margin: 0 0 4px; font-weight: 500; }
.ax-admin-body .sub { color: var(--ax-subtle); margin-bottom: 24px; }

.ax-perm-grid { overflow-x: auto; }
.ax-perm-grid table { border-collapse: collapse; font-size: 13px; }
.ax-perm-grid th.rot {
  height: 150px; white-space: nowrap; vertical-align: bottom; padding: 0 0 8px;
  width: 34px;
}
.ax-perm-grid th.rot > div {
  transform: rotate(-60deg); transform-origin: left bottom; width: 34px;
}
.ax-perm-grid td { text-align: center; padding: 6px 4px;
  border-bottom: 1px solid var(--ax-border); }
.ax-perm-grid td.subject { text-align: left; white-space: nowrap; padding-right: 16px; }

/* -------------------------------------------------------------- sign-in */
.ax-login-wrap {
  min-height: 100vh; display: grid; place-items: center; background: var(--ax-bg-alt);
  padding: 24px;
}
.ax-login {
  background: #fff; border-radius: var(--ax-radius); box-shadow: var(--ax-shadow);
  padding: 32px; width: 100%; max-width: 400px; text-align: center;
}
.ax-login .ax-logo-mark { width: 40px; height: 40px; font-size: 16px; margin: 0 auto 16px; }
.ax-login h1 { font-size: 18px; font-weight: 500; margin: 0 0 24px; }
.ax-login form { text-align: left; }
.ax-divider {
  display: flex; align-items: center; gap: 12px; color: var(--ax-subtle);
  font-size: 12px; margin: 20px 0;
}
.ax-divider::before, .ax-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--ax-border);
}

.ax-spinner {
  width: 20px; height: 20px; border: 2px solid var(--ax-border);
  border-top-color: var(--ax-primary); border-radius: 50%;
  animation: ax-spin .7s linear infinite; margin: 40px auto;
}
@keyframes ax-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .ax-spinner { animation-duration: 3s; }
}

@media (max-width: 900px) {
  .ax-sidebar, .ax-admin-nav { display: none; }
  .ax-content, .ax-admin-body { padding: 16px; }
  .ax-toc { display: none; }
  .ax-editor-footer { left: 0; padding: 10px 16px; }
  .ax-search { width: auto; flex: 1; max-width: none; }
}