:root {
  color-scheme: light;
  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #121826;
  --muted: #667085;
  --line: #e3e8ef;
  --accent: #6d5dfc;
  --accent-strong: #5b4ce6;
  --accent-soft: #efedff;
  --danger: #c2414b;
  --danger-soft: #fff1f2;
  --ok: #0f9d76;
  --shadow: 0 20px 60px rgba(18, 24, 38, 0.1);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --code-bg: #eef2f8;
  --code-text: #1f2937;
  --tok-comment: #64748b;
  --tok-keyword: #7c3aed;
  --tok-string: #047857;
  --tok-number: #b45309;
  --tok-function: #1d4ed8;
  --tok-attr: #be123c;
  --tok-tag: #0f766e;
  --tok-operator: #475569;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0c1018;
    --panel: #121824;
    --panel-soft: #0f1520;
    --text: #eef2f8;
    --muted: #94a3b8;
    --line: #242e3f;
    --accent: #9b8cff;
    --accent-strong: #b3a8ff;
    --accent-soft: #1b1b35;
    --danger: #ff8d96;
    --danger-soft: #2a1519;
    --ok: #52d3a8;
    --code-bg: #0b1220;
    --code-text: #dbeafe;
    --tok-comment: #64748b;
    --tok-keyword: #c4b5fd;
    --tok-string: #86efac;
    --tok-number: #fbbf24;
    --tok-function: #93c5fd;
    --tok-attr: #fda4af;
    --tok-tag: #5eead4;
    --tok-operator: #cbd5e1;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.55; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, #7c6cff, #3db9f1); color: #fff; font-weight: 800;
  box-shadow: 0 10px 26px rgba(109, 93, 252, 0.28); flex: none;
}
.brand-mark--small { width: 28px; height: 28px; border-radius: 8px; font-size: 13px; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.muted { color: var(--muted); }
.optional { color: var(--muted); font-weight: 400; }
.form-error { margin: 0 0 12px; padding: 9px 11px; border-radius: 8px; background: var(--danger-soft); color: var(--danger); font-size: 12px; }
.form-hint { margin: -6px 0 12px; color: var(--muted); font-size: 11px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 0 15px; border: 1px solid transparent; border-radius: 9px;
  font-size: 13px; font-weight: 700; white-space: nowrap;
  transition: background-color .2s, border-color .2s, color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .55; cursor: wait; transform: none; }

input, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 9px;
  background: var(--panel-soft); color: var(--text); outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input { height: 42px; padding: 0 12px; }
textarea { padding: 14px; resize: vertical; }
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
.field { display: grid; gap: 7px; margin-bottom: 15px; color: var(--muted); font-size: 12px; font-weight: 600; }
.inline-field { display: flex; align-items: center; flex-wrap: nowrap; gap: 10px; color: var(--muted); font-size: 12px; font-weight: 600; white-space: nowrap; }
.inline-field input { width: min(420px, 100%); height: 38px; font-family: var(--mono); font-size: 12px; }

/* Login */
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.login-card { width: min(100%, 420px); padding: 34px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); box-shadow: var(--shadow); }
.login-card h1 { margin: 0; font-size: 2rem; letter-spacing: -.04em; }
.login-card .muted { margin: 8px 0 24px; font-size: 13px; }
.login-card label { display: grid; gap: 7px; margin-bottom: 15px; color: var(--muted); font-size: 12px; font-weight: 600; }
.login-card .btn { width: 100%; margin-top: 4px; }

/* Shell */
.admin-app { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 22px 16px; border-right: 1px solid var(--line); background: var(--panel); }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 22px; font-weight: 750; letter-spacing: -.02em; }
.sidebar-brand em { color: var(--muted); font-size: 10px; font-style: normal; letter-spacing: .12em; text-transform: uppercase; }
.sidebar-nav { display: grid; gap: 3px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 13px; text-align: left; transition: background-color .2s, color .2s; }
.nav-item:hover { background: var(--panel-soft); color: var(--text); }
.nav-item.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.nav-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .6; }
.sidebar-foot { display: grid; gap: 2px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.nav-item--muted { font-size: 12px; }
.nav-item--button { width: 100%; font-size: 12px; }
.menu-button { display: none; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--text); }

.admin-shell { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 16px; min-height: 78px; padding: 16px clamp(20px, 4vw, 44px); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(16px); }
.topbar-title { flex: 1; }
.topbar-title h1 { margin: 0; font-size: clamp(1.35rem, 2vw, 1.8rem); letter-spacing: -.04em; }
.topbar-user { display: flex; align-items: center; gap: 8px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); flex: none; }
.admin-main { width: min(1440px, 100%); margin: 0 auto; padding: clamp(24px, 4vw, 44px); }
.view-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.view-head h2 { margin: 0; font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: -.04em; }
.view-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* Dashboard */
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 42px; }
.stat-card { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.stat-label { display: block; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.stat-card strong { display: block; margin: 8px 0 10px; font-size: 1.55rem; letter-spacing: -.04em; }
.stat-card a { color: var(--accent); font-size: 11px; font-weight: 700; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.section-heading h2 { margin: 0; font-size: 1.2rem; letter-spacing: -.03em; }
.section-heading > p { max-width: 420px; margin: 0; color: var(--muted); font-size: 12px; }
.section-heading--compact { margin-bottom: 12px; }
.menu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 36px; }
.menu-card { position: relative; min-height: 168px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); transition: border-color .2s, transform .2s, box-shadow .2s; }
.menu-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.menu-index { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.menu-card h3 { margin: 22px 0 6px; font-size: 1.2rem; letter-spacing: -.03em; }
.menu-card p { max-width: 300px; margin: 0; color: var(--muted); font-size: 12px; }
.menu-arrow { position: absolute; right: 20px; top: 20px; color: var(--muted); transition: color .2s, transform .2s; }
.menu-card:hover .menu-arrow { color: var(--accent); transform: translate(2px, -2px); }
.github-warning { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 0 0 24px; padding: 12px 16px; border: 1px solid color-mix(in srgb, var(--danger) 25%, var(--line)); border-radius: 10px; background: var(--danger-soft); color: var(--danger); font-size: 12px; }
.github-warning strong { font-size: 12px; }
.github-warning a { margin-left: auto; font-weight: 700; }
.recent-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.recent-list { display: grid; gap: 0; }
.recent-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: 11.5px; }
.recent-item:hover { color: var(--accent); }
.recent-item span:last-child { color: var(--muted); font-family: inherit; }

/* Posts */
.search-input { width: min(260px, 36vw); height: 38px; background: var(--panel); }
.post-table-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 4px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.post-table { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.post-row { display: flex; align-items: center; gap: 14px; width: 100%; padding: 15px 18px; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--text); text-align: left; transition: background-color .2s, color .2s; }
.post-row:first-child { border-top: 0; }
.post-row:hover { background: var(--panel-soft); }
.post-row-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; }
.post-row-size { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.post-row-arrow { color: var(--muted); }
.post-row:hover .post-row-arrow { color: var(--accent); }
.empty-hint { padding: 20px; color: var(--muted); font-size: 12px; }

/* Editor */
.editor-view-head { align-items: flex-start; }
.back-link { display: inline-block; margin-bottom: 12px; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 11px; }
.back-link:hover { color: var(--accent); }
.save-state { color: var(--muted); font-size: 11px; }
.editor-meta-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.editor-tip { color: var(--muted); font-size: 11px; }
.editor-toolbar { display: flex; align-items: center; gap: 3px; flex-wrap: wrap; padding: 7px 8px; border: 1px solid var(--line); border-bottom: 0; border-radius: 10px 10px 0 0; background: var(--panel); }
.editor-toolbar button { min-width: 30px; height: 30px; padding: 0 8px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 700; }
.editor-toolbar button:hover { background: var(--panel-soft); color: var(--accent); }
.toolbar-sep { width: 1px; height: 18px; margin: 0 5px; background: var(--line); }
.editor-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 580px; overflow: hidden; border: 1px solid var(--line); border-radius: 0 0 10px 10px; background: var(--panel); }
.editor-pane { min-width: 0; border-right: 1px solid var(--line); }
#post-content { display: block; width: 100%; height: 100%; min-height: 580px; padding: 20px; border: 0; border-radius: 0; resize: none; background: transparent; color: var(--text); font-family: var(--mono); font-size: 12.5px; line-height: 1.75; outline: none; }
.preview-pane { min-width: 0; overflow: auto; background: var(--panel-soft); }
.preview-meta { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 20px 0; }
.preview-meta:empty { display: none; }
.meta-chip { padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.markdown-preview { padding: 18px 22px 30px; color: var(--text); font-size: 14px; line-height: 1.75; }
.markdown-preview > :first-child { margin-top: 0; }
.markdown-preview h1, .markdown-preview h2, .markdown-preview h3, .markdown-preview h4 { margin: 1.5em 0 .6em; line-height: 1.3; letter-spacing: -.02em; }
.markdown-preview h1 { font-size: 1.8em; }
.markdown-preview h2 { font-size: 1.45em; }
.markdown-preview h3 { font-size: 1.18em; }
.markdown-preview p { margin: 0 0 1em; }
.markdown-preview a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.markdown-preview ul, .markdown-preview ol { padding-left: 1.4em; }
.markdown-preview blockquote { margin: 1em 0; padding: .2em 0 .2em 1em; border-left: 3px solid var(--accent); color: var(--muted); }
.markdown-preview code { padding: .15em .35em; border-radius: 4px; background: var(--panel); font-family: var(--mono); font-size: .88em; }
.markdown-preview pre { overflow: auto; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.markdown-preview pre code { padding: 0; background: transparent; }
.markdown-preview img { max-width: 100%; height: auto; border-radius: 6px; }
.markdown-preview table { width: 100%; border-collapse: collapse; font-size: .92em; }
.markdown-preview th, .markdown-preview td { padding: 7px 9px; border: 1px solid var(--line); text-align: left; }
.markdown-preview hr { border: 0; border-top: 1px solid var(--line); margin: 1.5em 0; }
.markdown-preview .preview-error { padding: 10px 12px; border-radius: 6px; background: var(--danger-soft); color: var(--danger); font-size: 12px; }
.editor-status { display: flex; gap: 18px; padding: 9px 3px; color: var(--muted); font-family: var(--mono); font-size: 10px; }
.editor-status span:last-child { margin-left: auto; }

/* Settings */
.settings-card { max-width: 620px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.settings-intro { margin: 0 0 20px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.settings-intro code { padding: 2px 5px; border-radius: 4px; background: var(--panel-soft); font-family: var(--mono); font-size: .92em; }
.inline-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.connection-status { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 18px; padding: 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-soft); }
.connection-status strong { display: block; font-size: 13px; }
.connection-status span:last-child { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.connection-status .status-dot { margin-top: 5px; }
.connection-status.is-disconnected .status-dot { background: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent); }
.text-link { color: var(--accent); font-size: 11px; font-weight: 700; }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: min(380px, calc(100vw - 44px)); padding: 11px 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); box-shadow: var(--shadow); color: var(--text); font-size: 12.5px; }
.toast.is-error { border-color: var(--danger); color: var(--danger); }

@media (max-width: 1000px) {
  .admin-app { grid-template-columns: 210px minmax(0, 1fr); }
  .editor-split { grid-template-columns: 1fr; }
  .editor-pane { border-right: 0; border-bottom: 1px solid var(--line); }
  #post-content { min-height: 420px; }
  .preview-pane { max-height: 520px; }
}

@media (max-width: 760px) {
  .admin-app { display: block; }
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; width: 250px; transform: translateX(-100%); transition: transform .25s; box-shadow: var(--shadow); }
  .admin-app.menu-open .sidebar { transform: none; }
  .sidebar-backdrop { position: fixed; inset: 0; z-index: 35; background: rgba(5,8,15,.5); }
  .menu-button { display: inline-flex; align-items: center; justify-content: center; }
  .topbar { padding: 14px 18px; }
  .admin-main { padding: 20px 16px 40px; }
  .stats-grid { grid-template-columns: 1fr; }
  .menu-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .view-head { align-items: flex-start; flex-direction: column; }
  .view-actions { width: 100%; }
  .search-input { flex: 1; width: auto; }
  .editor-split { min-height: 0; }
  #post-content { min-height: 360px; height: 42vh; }
  .preview-pane { max-height: none; }
  .editor-toolbar { overflow-x: auto; flex-wrap: nowrap; }
  .editor-toolbar button { flex: none; }
  .editor-tip { display: none; }
  .inline-field { width: 100%; }
  .inline-field input { width: 100%; }
}

.editor-split.preview-only {
  grid-template-columns: minmax(0, 1fr);
}
.editor-split.preview-only .editor-pane {
  display: none;
}


/* ------------------------------------------------------------
   Modern login
   ------------------------------------------------------------ */
.login-view {
  display: block;
  width: 100%;
  min-height: 100vh;
  padding: 0;
  background: var(--bg);
}
.login-stage {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  min-height: 100vh;
}
.login-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(30px, 5vw, 64px);
  background:
    radial-gradient(circle at 18% 12%, rgba(124, 108, 255, 0.32), transparent 34%),
    radial-gradient(circle at 82% 72%, rgba(61, 185, 241, 0.22), transparent 36%),
    linear-gradient(145deg, #0a0d17 0%, #11142b 52%, #0b1b2a 100%);
  color: #f4f7ff;
}
.login-noise {
  position: absolute;
  inset: 0;
  opacity: 0.23;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 20%, transparent 86%);
  pointer-events: none;
}
.login-brand, .login-copy, .login-visual-foot { position: relative; z-index: 1; }
.login-brand { display: flex; align-items: center; gap: 12px; font-weight: 750; letter-spacing: -0.02em; }
.login-brand em { color: rgba(226, 232, 240, 0.58); font-size: 10px; font-style: normal; letter-spacing: 0.16em; text-transform: uppercase; }
.login-copy { max-width: 620px; margin: 7vh 0; }
.login-copy .eyebrow { color: rgba(196, 181, 253, 0.9); }
.login-copy h1 { margin: 16px 0 20px; font-size: clamp(3rem, 8vw, 6.4rem); line-height: 0.94; letter-spacing: -0.075em; }
.login-copy h1 span { background: linear-gradient(90deg, #b9a8ff, #63d6ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-copy > p { max-width: 460px; margin: 0; color: rgba(226, 232, 240, 0.68); font-size: clamp(13px, 1.5vw, 16px); line-height: 1.7; }
.login-points { display: grid; gap: 0; margin: 36px 0 0; padding: 0; list-style: none; max-width: 450px; }
.login-points li { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid rgba(255, 255, 255, 0.12); color: rgba(241, 245, 249, 0.84); font-size: 12px; }
.login-points li span { color: #8da2ff; font-family: var(--mono); font-size: 10px; }
.login-visual-foot { color: rgba(226, 232, 240, 0.4); font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; }
.login-panel { position: relative; display: grid; place-items: center; padding: clamp(26px, 6vw, 72px); background: var(--bg); }
.login-theme { position: absolute; right: 24px; top: 22px; }
.login-card { width: min(100%, 390px); padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.login-mark { display: none; }
.login-card h2 { margin: 5px 0 4px; font-size: clamp(2rem, 3vw, 2.5rem); letter-spacing: -0.055em; }
.login-card .muted { margin: 6px 0 30px; font-size: 12.5px; line-height: 1.7; }
.login-card label { color: var(--muted); }
.login-card input { height: 46px; background: var(--panel); }
.btn-login { display: flex; width: 100%; min-height: 46px; margin-top: 8px; justify-content: space-between; padding: 0 18px; font-size: 13px; }
.btn-login span { font-size: 18px; font-weight: 400; }
.login-note { margin: 22px 0 0; color: var(--muted); font-size: 10px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); font-size: 11px; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.topbar-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

/* ------------------------------------------------------------
   Sidebar groups
   ------------------------------------------------------------ */
.sidebar-nav { gap: 4px; }
.nav-group { margin: 0; }
.nav-group-title { display: flex; align-items: center; justify-content: space-between; padding: 13px 10px 6px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; cursor: pointer; list-style: none; }
.nav-group-title::-webkit-details-marker { display: none; }
.nav-group-title:hover { color: var(--text); }
.nav-chevron { font-size: 11px; transition: transform .2s; }
.nav-group[open] .nav-chevron { transform: rotate(180deg); }
.nav-group-items { display: grid; gap: 2px; padding: 0 0 3px 11px; border-left: 1px solid var(--line); margin-left: 17px; }
.nav-item--sub { padding-left: 8px; font-size: 12px; }
.nav-icon { display: inline-flex; width: 16px; justify-content: center; color: var(--muted); font-size: 12px; }
.nav-item.is-active .nav-icon { color: var(--accent); }

/* ------------------------------------------------------------
   Posts table + bulk selection
   ------------------------------------------------------------ */
.bulk-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-bottom: 12px; padding: 10px 14px; border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-size: 12px;
}
.bulk-actions { display: flex; gap: 8px; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); }
.posts-table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.posts-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.posts-table th {
  position: sticky; top: 0; z-index: 1; padding: 11px 14px; border-bottom: 1px solid var(--line);
  background: var(--panel); color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: 0.1em; text-align: left; text-transform: uppercase;
}
.posts-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); color: var(--text); font-size: 12px; vertical-align: middle; }
.posts-table tr:last-child td { border-bottom: 0; }
.posts-table tbody tr { cursor: pointer; transition: background-color .15s; }
.posts-table tbody tr:hover { background: var(--panel-soft); }
.posts-table tbody tr.is-selected { background: var(--accent-soft); }
.col-check { width: 42px; }
.col-size { width: 95px; }
.col-actions { width: 150px; }
.col-mark { width: 38px; }
.posts-table input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.row-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 11.5px; text-align: left; }
.row-actions { display: flex; gap: 5px; }
.row-button { padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--muted); font-size: 10px; }
.row-button:hover { border-color: var(--accent); color: var(--accent); }
.row-button--danger:hover { border-color: var(--danger); color: var(--danger); }
.row-mark { color: var(--ok); font-weight: 800; opacity: 0; }
tr.is-selected .row-mark { opacity: 1; }
.table-foot { margin: 10px 2px 0; color: var(--muted); font-size: 10px; text-align: right; }

/* ------------------------------------------------------------
   Colorful markdown preview + code syntax
   ------------------------------------------------------------ */
.markdown-preview h1 { color: var(--text); }
.markdown-preview h2 { color: var(--accent); }
.markdown-preview h3 { color: color-mix(in srgb, var(--accent) 74%, var(--text)); }
.markdown-preview h4 { color: var(--text); }
.markdown-preview strong { color: color-mix(in srgb, var(--accent) 62%, var(--text)); font-weight: 800; }
.markdown-preview em { color: color-mix(in srgb, var(--ok) 62%, var(--text)); }
.markdown-preview del { color: var(--muted); }
.markdown-preview a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.markdown-preview ul > li::marker { color: var(--accent); }
.markdown-preview ol > li::marker { color: var(--accent); font-weight: 700; }
.markdown-preview blockquote { border-left-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, transparent); border-radius: 0 6px 6px 0; }
.markdown-preview code {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  color: color-mix(in srgb, var(--accent) 74%, var(--text));
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}
.markdown-preview pre {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid color-mix(in srgb, var(--line) 86%, transparent);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.markdown-preview pre code {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: .9em;
  line-height: 1.7;
}
.markdown-preview table { border-color: var(--line); }
.markdown-preview th { background: var(--panel-soft); color: var(--text); font-weight: 750; }
.markdown-preview tbody tr:nth-child(even) { background: color-mix(in srgb, var(--panel) 56%, transparent); }
.markdown-preview hr { border-top-color: var(--line); }
.markdown-preview .task-list-item { list-style: none; margin-left: -1.2em; }
.markdown-preview .task-list-item-checkbox { accent-color: var(--accent); margin-right: 6px; }
.markdown-preview .footnotes { margin-top: 2em; padding-top: 1em; border-top: 1px solid var(--line); color: var(--muted); font-size: .88em; }
.markdown-preview mark { background: color-mix(in srgb, #facc15 34%, transparent); color: inherit; padding: 0 .16em; }

/* Prism token palette, shared by both themes */
.markdown-preview .token.comment,
.markdown-preview .token.prolog,
.markdown-preview .token.doctype,
.markdown-preview .token.cdata { color: var(--tok-comment); font-style: italic; }
.markdown-preview .token.punctuation { color: var(--tok-operator); }
.markdown-preview .token.namespace { opacity: .65; }
.markdown-preview .token.property,
.markdown-preview .token.tag,
.markdown-preview .token.boolean,
.markdown-preview .token.number,
.markdown-preview .token.constant,
.markdown-preview .token.symbol,
.markdown-preview .token.deleted { color: var(--tok-number); }
.markdown-preview .token.selector,
.markdown-preview .token.attr-name,
.markdown-preview .token.string,
.markdown-preview .token.char,
.markdown-preview .token.builtin,
.markdown-preview .token.inserted { color: var(--tok-string); }
.markdown-preview .token.operator,
.markdown-preview .token.entity,
.markdown-preview .token.url,
.markdown-preview .language-css .token.string,
.markdown-preview .style .token.string { color: var(--tok-operator); }
.markdown-preview .token.atrule,
.markdown-preview .token.attr-value,
.markdown-preview .token.keyword { color: var(--tok-keyword); font-weight: 600; }
.markdown-preview .token.function,
.markdown-preview .token.class-name { color: var(--tok-function); }
.markdown-preview .token.regex,
.markdown-preview .token.important,
.markdown-preview .token.variable { color: var(--tok-attr); }
.markdown-preview .token.important,
.markdown-preview .token.bold { font-weight: 700; }
.markdown-preview .token.italic { font-style: italic; }

@media (max-width: 900px) {
  .login-stage { grid-template-columns: 1fr; }
  .login-visual { min-height: 310px; padding: 28px; }
  .login-copy { margin: 34px 0 28px; }
  .login-copy h1 { font-size: clamp(2.8rem, 10vw, 4.8rem); }
  .login-points { display: none; }
  .login-panel { padding: 40px 24px 64px; }
  .login-theme { top: 16px; right: 16px; }
}

@media (max-width: 760px) {
  .posts-table .col-size { display: none; }
  .posts-table th:nth-child(3), .posts-table td:nth-child(3) { display: none; }
  .col-actions { width: 115px; }
  .row-actions { gap: 3px; }
  .row-button { padding: 3px 5px; }
  .topbar-actions .theme-toggle { width: 34px; padding: 0; justify-content: center; }
  .topbar-actions .theme-toggle [data-theme-label] { display: none; }
}

.markdown-preview .mermaid {
  margin: 1.2em 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-align: center;
}
.markdown-preview .mermaid svg {
  max-width: 100%;
  height: auto;
}

/* Accessibility and touch refinements */
:where(a, button, input, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.posts-table-wrap:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-group-title {
  font-size: 10px;
}

.posts-table th,
.page-main-head {
  font-size: 10px;
}

body {
  font-size: 16px;
}

@media (pointer: coarse) {
  .menu-button,
  .theme-toggle {
    min-width: 44px;
    min-height: 44px;
  }

  .nav-item {
    min-height: 44px;
  }

  .row-button {
    min-height: 36px;
    padding: 7px 10px;
  }

  .btn {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 8px 12px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  transform: translateY(-160%);
  transition: transform 0.15s;
}
.skip-link:focus {
  transform: none;
}

.table-loading {
  padding: 26px 18px !important;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.table-loading--error {
  color: var(--danger);
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#post-content:focus-visible {
  outline-offset: -2px;
}

/* Collapsible admin sidebar */
.nav-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-collapse {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: none;
  width: auto;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

.sidebar-collapse:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.collapse-glyph {
  display: block;
  font-size: 17px;
  line-height: 1;
  transform: translateY(-1px);
}

.admin-app {
  transition: grid-template-columns 0.2s ease;
}

.admin-app.is-sidebar-collapsed {
  grid-template-columns: 72px minmax(0, 1fr);
}

.is-sidebar-collapsed .sidebar {
  padding-inline: 8px;
}

.is-sidebar-collapsed .sidebar-brand {
  justify-content: center;
  padding-inline: 0;
}

.is-sidebar-collapsed .sidebar-brand .brand-text,
.is-sidebar-collapsed .nav-group-title,
.is-sidebar-collapsed .nav-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.is-sidebar-collapsed .sidebar-nav {
  justify-items: stretch;
}

.is-sidebar-collapsed .nav-group {
  margin-top: 8px;
}

.is-sidebar-collapsed .nav-group-items {
  padding: 0;
  margin: 0;
  border-left: 0;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.is-sidebar-collapsed .nav-item {
  justify-content: center;
  gap: 0;
  padding: 10px 0;
}

.is-sidebar-collapsed .nav-icon {
  width: 22px;
  font-size: 16px;
}

.is-sidebar-collapsed .sidebar-foot {
  padding-top: 10px;
}

.is-sidebar-collapsed .sidebar-foot .nav-item {
  justify-content: center;
}

.is-sidebar-collapsed .admin-main {
  padding-inline: clamp(20px, 3vw, 34px);
}

.is-sidebar-collapsed .editor-split {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

@media (max-width: 760px) {
  .sidebar-collapse {
    display: none;
  }

  .admin-app,
  .admin-app.is-sidebar-collapsed {
    display: block;
  }

  .is-sidebar-collapsed .sidebar {
    width: 250px;
    padding: 22px 16px;
    transform: translateX(-100%);
  }

  .admin-app.is-sidebar-collapsed.menu-open .sidebar {
    transform: none;
  }

  .is-sidebar-collapsed .sidebar-brand {
    justify-content: flex-start;
    padding-inline: 8px;
  }

  .is-sidebar-collapsed .sidebar-brand .brand-text,
  .is-sidebar-collapsed .nav-group-title,
  .is-sidebar-collapsed .nav-label {
    position: static;
    width: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
  }

  .is-sidebar-collapsed .nav-group-items {
    padding: 0 0 3px 11px;
    margin-left: 17px;
    border-left: 1px solid var(--line);
    border-top: 0;
    padding-top: 0;
  }

  .is-sidebar-collapsed .nav-item {
    justify-content: flex-start;
    gap: 10px;
    padding: 9px 10px;
  }

  .is-sidebar-collapsed .nav-icon {
    width: 16px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .admin-app {
    transition: none;
  }
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
}

@media (max-width: 760px) {
  .topbar {
    position: sticky;
    top: 0;
  }
}

.is-sidebar-collapsed .nav-group-title {
  display: none;
}

@media (max-width: 760px) {
  .is-sidebar-collapsed .nav-group-title {
    display: flex;
  }
}


.collapse-label {
  font-size: 11px;
  font-weight: 600;
}

/* Site navigation editor */
.site-settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

.site-menu-card,
.site-features-card {
  max-width: none;
}

.site-menu-card h3,
.site-features-card h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.025em;
}

.site-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.site-card-head p,
.site-features-card > p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.menu-editor {
  display: grid;
  gap: 10px;
}

.menu-node {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-soft);
  overflow: hidden;
}

.menu-node-head {
  display: grid;
  grid-template-columns: 28px minmax(100px, 1fr) minmax(100px, 1fr) minmax(130px, 1.2fr) 110px auto;
  gap: 8px;
  align-items: end;
  padding: 11px;
}

.menu-order {
  align-self: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.menu-field {
  display: grid;
  gap: 4px;
  min-width: 0;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu-field input,
.menu-field select {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.menu-row-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  padding-bottom: 1px;
}

.menu-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.menu-icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.menu-icon-btn--danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  font-size: 10px;
  white-space: nowrap;
}

.menu-toggle input {
  width: 12px;
  height: 12px;
  accent-color: var(--accent);
}

.menu-children {
  display: grid;
  gap: 6px;
  padding: 0 11px 11px 45px;
}

.menu-child {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) minmax(90px, 1fr) minmax(120px, 1.2fr) 100px auto;
  gap: 8px;
  align-items: end;
  padding: 8px;
  border-left: 2px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: 0 6px 6px 0;
  background: var(--panel);
}

.menu-add-child {
  justify-self: start;
  margin-top: 2px;
  padding: 3px 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
}

.feature-list {
  display: grid;
  gap: 2px;
  margin: 18px 0;
}

.feature-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}

.feature-row:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-row strong {
  display: block;
  font-size: 12px;
  font-weight: 650;
}

.feature-row small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.feature-row input {
  width: 34px;
  height: 20px;
  accent-color: var(--accent);
  flex: none;
}

.settings-footnote {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.settings-footnote code,
.notice code {
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--panel-soft);
  font-family: var(--mono);
}

@media (max-width: 1100px) {
  .site-settings-grid {
    grid-template-columns: 1fr;
  }

  .site-features-card {
    max-width: 620px;
  }
}

@media (max-width: 760px) {
  .menu-node-head {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .menu-order {
    grid-column: 1 / -1;
  }

  .menu-node-head .menu-field:nth-of-type(3),
  .menu-node-head .menu-field:nth-of-type(4),
  .menu-row-actions {
    grid-column: 1 / -1;
  }

  .menu-row-actions {
    flex-wrap: wrap;
  }

  .menu-child {
    grid-template-columns: 1fr 1fr;
  }

  .menu-child .menu-field:nth-of-type(3),
  .menu-child .menu-field:nth-of-type(4),
  .menu-child .menu-row-actions {
    grid-column: 1 / -1;
  }

  .menu-children {
    padding-left: 18px;
  }
}