@import "tailwindcss";
@plugin "@tailwindcss/typography";

/* 暗色主题：根元素 class 切换（§8.2） */
@custom-variant dark (&:where(.dark, .dark *));

/* ── Tailwind 主题映射：工具类直接消费设计 token ───────────── */
@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --color-card: var(--card);
  --color-card-foreground: var(--card-foreground);
  --color-popover: var(--popover);
  --color-popover-foreground: var(--popover-foreground);
  --color-primary: var(--primary);
  --color-primary-foreground: var(--primary-foreground);
  --color-secondary: var(--secondary);
  --color-secondary-foreground: var(--secondary-foreground);
  --color-muted: var(--muted);
  --color-muted-foreground: var(--muted-foreground);
  --color-accent: var(--accent);
  --color-accent-foreground: var(--accent-foreground);
  --color-destructive: var(--destructive);
  --color-destructive-foreground: var(--destructive-foreground);
  --color-border: var(--border);
  --color-input: var(--input);
  --color-ring: var(--ring);
  --color-sidebar: var(--sidebar);
  --color-sidebar-foreground: var(--sidebar-foreground);
  --color-sidebar-primary: var(--sidebar-primary);
  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
  --color-sidebar-accent: var(--sidebar-accent);
  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
}

@theme {
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "DM Serif Display", ui-serif, Georgia, "Songti SC", "STSong",
    "Noto Serif SC", "SimSun", serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Cascadia Mono", monospace;
}

/* ============================================================
   设计 token —— 极简黑白灰体系（源自设计稿 theme-vars）
   brand = 冷灰 ramp；背景/文字/图标为纯灰 ramp。
   ============================================================ */
:root {
  /* brand — 近黑主色 */
  --brand-50: #fafafa;
  --brand-100: #f4f4f5;
  --brand-200: #e4e4e7;
  --brand-300: #d4d4d8;
  --brand-400: #a1a1aa;
  --brand-500: #71717a;
  --brand-600: #52525b;
  --brand-700: #3f3f46;
  --brand-800: #27272a;
  --brand-900: #18181b;

  /* 语义角色（浅色） */
  --background: #ffffff;
  --card: #ffffff;
  --popover: #ffffff;
  --muted: var(--brand-100);
  --foreground: var(--brand-900);
  --card-foreground: var(--brand-900);
  --popover-foreground: var(--brand-900);
  --primary: var(--brand-900);
  --primary-foreground: var(--brand-50);
  --secondary: var(--brand-100);
  --secondary-foreground: var(--brand-900);
  --muted-foreground: var(--brand-500);
  --accent: var(--brand-100);
  --accent-foreground: var(--brand-900);
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --destructive-subtle: #fef2f2;
  --destructive-border: #fecaca;
  --destructive-text: #b91c1c;
  --input: var(--brand-200);
  --ring: var(--brand-900);
  --border: var(--brand-200);
  --border-strong: var(--brand-300);
  --success: #16a34a;
  --success-subtle: #f0fdf4;
  --success-border: #bbf7d0;
  --success-text: #15803d;
  --sidebar: var(--brand-50);
  --sidebar-foreground: var(--brand-900);
  --sidebar-primary: var(--brand-900);
  --sidebar-primary-foreground: var(--brand-50);
  --sidebar-accent: var(--brand-100);
  --sidebar-accent-foreground: var(--brand-900);
  --sidebar-border: var(--brand-200);

  /* 字体 */
  --font-serif-display: var(--font-serif);
  --tracking-tight: -0.012em;

  /* 圆角 / 阴影 / 间距基数 */
  --radius: 0.75rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shadow-xs: 0 1px 1px 0 rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05), 0 1px 1px 0 rgba(0, 0, 0, 0.03);
  --space-4: 0.25rem;
}

.dark {
  --background: var(--brand-900);
  --card: var(--brand-800);
  --popover: var(--brand-800);
  --muted: var(--brand-800);
  --foreground: var(--brand-50);
  --card-foreground: var(--brand-50);
  --popover-foreground: var(--brand-50);
  --primary: var(--brand-50);
  --primary-foreground: var(--brand-900);
  --secondary: var(--brand-800);
  --secondary-foreground: var(--brand-50);
  --muted-foreground: var(--brand-400);
  --accent: var(--brand-700);
  --accent-foreground: var(--brand-50);
  --destructive: #ef4444;
  --destructive-foreground: var(--brand-50);
  --destructive-subtle: #2a1416;
  --destructive-border: #7f1d1d;
  --destructive-text: #fca5a5;
  --input: var(--brand-700);
  --ring: var(--brand-300);
  --border: var(--brand-700);
  --border-strong: var(--brand-600);
  --success: #22c55e;
  --success-subtle: #0f2417;
  --success-border: #166534;
  --success-text: #4ade80;
  --sidebar: var(--brand-800);
  --sidebar-foreground: var(--brand-50);
  --sidebar-primary: var(--brand-50);
  --sidebar-primary-foreground: var(--brand-900);
  --sidebar-accent: var(--brand-700);
  --sidebar-accent-foreground: var(--brand-50);
  --sidebar-border: var(--brand-700);
}

/* ── 基础 ─────────────────────────────────────────────── */
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
::placeholder {
  color: var(--muted-foreground);
}
.pn-loading {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--muted-foreground);
  font-size: 14px;
}

/* ============================================================
   共享组件类 —— 源自设计稿 components.css
   ============================================================ */

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-width: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-4) calc(var(--space-4) * 3);
  font: 600 14px/1 var(--font-sans);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease,
    color 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}
.btn:focus-visible {
  outline: 2px solid var(--color-primary, var(--primary));
  outline-offset: 2px;
}
.btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}
.btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-sm);
}
.btn.primary:hover:not(:disabled),
.btn.primary:active:not(:disabled) {
  filter: brightness(0.96);
}
.btn.secondary {
  background: var(--card);
  color: var(--foreground);
  border-color: var(--border);
}
.btn.secondary:hover:not(:disabled),
.btn.secondary:active:not(:disabled) {
  background: var(--muted);
}
.btn.ghost {
  background: transparent;
  color: var(--foreground);
  padding: calc(var(--space-4) * 0.75) calc(var(--space-4) * 2.5);
}
.btn.ghost:hover:not(:disabled),
.btn.ghost:active:not(:disabled) {
  background: var(--muted);
}
.btn.danger {
  background: var(--destructive);
  color: var(--destructive-foreground);
}
.btn.danger:hover:not(:disabled),
.btn.danger:active:not(:disabled) {
  filter: brightness(0.94);
}
.btn svg {
  flex: none;
}

/* ── Card ── */
.card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}
.card .title {
  font-size: 14px;
  font-weight: 600;
  color: var(--card-foreground);
}
.card .meta {
  font-size: 12px;
  color: var(--muted-foreground);
}
.card .divider {
  margin: 12px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.card .foot {
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow {
  font-size: 12px;
  color: var(--muted-foreground);
}
.metric .value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--card-foreground);
}
.metric {
  gap: 2px;
}

/* ── Pill ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}

/* ── Tabs（分段控件） ── */
.tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--muted);
}
.tabs a,
.tabs button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: calc(var(--radius-md) - 3px);
  background: transparent;
  color: var(--muted-foreground);
  text-decoration: none;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.tabs a:hover,
.tabs button:hover {
  color: var(--foreground);
}
.tabs .active {
  background: var(--primary);
  color: var(--primary-foreground);
}
.tabs .active:hover {
  color: var(--primary-foreground);
}

/* ── Table ── */
.table-card {
  min-width: 0;
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th,
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
.table th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-foreground);
  background: var(--muted);
  white-space: nowrap;
}
.table td {
  color: var(--card-foreground);
  font-size: 13px;
}
.table tbody tr:last-child td {
  border-bottom: 0;
}
.table tbody tr {
  transition: background-color 0.15s ease;
}
.table tbody tr:hover {
  background: var(--muted);
}
.table-card .empty {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 12px;
  color: var(--muted-foreground);
  background: var(--muted);
  font-size: 13px;
}

/* ── 状态点 / 分隔符 ── */
.dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  flex: none;
}
.sep {
  padding: 0 8px 0 0;
  color: var(--muted-foreground);
}

/* ============================================================
   博客端共享 shell —— 居中单栏 720px（设计稿博客系列）
   ============================================================ */
.pn-site-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.pn-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--background);
  background: color-mix(in srgb, var(--background) 86%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.pn-site-header-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-sizing: border-box;
}
.pn-site-wordmark {
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
  text-decoration: none;
  transition: color 0.15s ease;
}
.pn-site-wordmark:hover {
  color: var(--muted-foreground);
}
.pn-site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.pn-site-navlink {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-site-navlink:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-site-navlink[aria-current="page"],
.pn-site-navlink.active {
  color: var(--foreground);
  font-weight: 600;
}
.pn-site-navlink svg {
  width: 14px;
  height: 14px;
}
.pn-site-main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}
.pn-site-footer {
  margin-top: 72px;
  border-top: 1px solid var(--border);
}
.pn-site-footer-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 32px;
  box-sizing: border-box;
  text-align: center;
  font-size: 12.5px;
  color: var(--muted-foreground);
}
.pn-site-footer-inner a {
  color: var(--muted-foreground);
  text-decoration: none;
}
.pn-site-footer-inner a:hover {
  color: var(--foreground);
}
.pn-site-footer-line {
  margin: 0;
}
.pn-site-beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}
.pn-site-beian img {
  width: 14px;
  height: 14px;
  flex: none;
  opacity: 0.85;
}
.pn-site-beian:hover img {
  opacity: 1;
}

@media (max-width: 640px) {
  .pn-site-header-inner {
    height: 56px;
    padding: 0 20px;
  }
  .pn-site-main {
    padding: 0 20px;
  }
  .pn-site-navlink.hide-sm {
    display: none;
  }
}

/* ============================================================
   首页（博客首页.html）
   ============================================================ */
.pn-home-content {
  padding-top: 56px;
  padding-bottom: 24px;
}
.pn-home-filter {
  margin-bottom: 8px;
}
.pn-home-post {
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}
.pn-home-post:last-child {
  border-bottom: 0;
}
.pn-home-date {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
}
.pn-home-pin {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 10px;
  padding: 0 8px;
  border: 1px solid var(--border-strong, var(--border));
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--foreground);
  vertical-align: 1px;
}
.pn-home-pin svg {
  color: var(--muted-foreground);
}
.pn-home-post-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: var(--tracking-tight);
}
.pn-home-post-title a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--foreground);
  text-decoration: none;
}
.pn-home-arrow {
  width: 17px;
  height: 17px;
  flex: none;
  margin-left: auto;
  color: var(--muted-foreground);
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.pn-home-post:hover .pn-home-arrow {
  opacity: 1;
  color: var(--foreground);
}
.pn-home-summary {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-foreground);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pn-home-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.pn-home-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--muted);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-home-tag::before {
  content: "#";
  margin-right: 3px;
  opacity: 0.65;
}
.pn-home-tag:hover {
  background: var(--accent);
  color: var(--foreground);
}
.pn-home-list-empty {
  padding: 64px 0;
  text-align: center;
  color: var(--muted-foreground);
  font-size: 14px;
}
/* 首页分页（对应设计稿 table-foot + pager） */
.pn-home-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.pn-home-pager-note {
  font-size: 12.5px;
  color: var(--muted-foreground);
  white-space: nowrap;
}
.pn-pager {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.pn-pager .btn.ghost {
  width: 28px;
  height: 28px;
  padding: 0;
  color: var(--muted-foreground);
}
.pn-pager .btn.ghost:hover:not(:disabled) {
  color: var(--foreground);
}
.pn-page-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-page-btn:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-page-btn.is-active {
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
}
@media (max-width: 640px) {
  .pn-home-content {
    padding-top: 40px;
  }
  .pn-home-post {
    padding: 26px 0;
  }
  .pn-home-post-title {
    font-size: 20px;
  }
}

/* ============================================================
   笔记详情（笔记详情.html）
   ============================================================ */
.pn-note-article {
  padding-top: 40px;
  padding-bottom: 8px;
}
.pn-note-back {
  margin-left: -10px;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-foreground);
}
.pn-note-back:hover {
  color: var(--foreground);
}
.pn-note-back svg {
  width: 14px;
  height: 14px;
}
.pn-note-title {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.25;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-note-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted-foreground);
}
.pn-note-meta-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.pn-note-meta-sep {
  color: var(--border-strong);
}
.pn-note-meta-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pn-note-meta-read svg {
  width: 14px;
  height: 14px;
}
.pn-note-tag {
  padding: 3px 10px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  background: transparent;
  color: var(--muted-foreground);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.pn-note-tag:hover {
  color: var(--foreground);
  background: var(--muted);
  border-color: var(--border-strong);
}
/* 私有预览提示（保留既有功能，套用 token） */
.pn-note-private {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 13px;
}
.pn-note-private svg {
  flex: none;
  width: 15px;
  height: 15px;
}
/* 上一篇 / 下一篇 */
.pn-note-postnav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.pn-note-nav-card {
  padding: 18px 20px;
  gap: 8px;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.pn-note-nav-card:hover {
  background: var(--muted);
  border-color: var(--border-strong);
}
.pn-note-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
}
.pn-note-nav-label svg {
  width: 14px;
  height: 14px;
}
.pn-note-nav-title {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-note-nav-next {
  text-align: right;
}
.pn-note-nav-next .pn-note-nav-label {
  justify-content: flex-end;
}
@media (max-width: 640px) {
  .pn-note-article {
    padding-top: 32px;
  }
  .pn-note-title {
    font-size: 28px;
  }
  .pn-note-body {
    margin-top: 32px !important;
  }
  .pn-note-postnav {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .pn-note-nav-next {
    text-align: left;
  }
  .pn-note-nav-next .pn-note-nav-label {
    justify-content: flex-start;
  }
}

/* ============================================================
   正文排版（MarkdownViewer）—— .pn-note-body
   ============================================================ */
.pn-note-body {
  margin-top: 40px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--foreground);
}
.pn-note-body > :first-child {
  margin-top: 0;
}
.pn-note-body p {
  margin: 0 0 24px;
}
.pn-note-body h1,
.pn-note-body h2,
.pn-note-body h3,
.pn-note-body h4 {
  margin: 40px 0 16px;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-note-body h1 {
  font-size: 26px;
}
.pn-note-body h2 {
  font-size: 24px;
}
.pn-note-body h3 {
  font-size: 19px;
}
.pn-note-body h4 {
  font-size: 16px;
}
.pn-note-body blockquote {
  margin: 32px 0;
  padding: 2px 0 2px 20px;
  border-left: 2px solid var(--border-strong);
  color: var(--muted-foreground);
}
.pn-note-body blockquote p {
  margin: 0 0 8px;
}
.pn-note-body blockquote p:last-child {
  margin-bottom: 0;
}
.pn-note-body code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--muted);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
}
.pn-note-body pre {
  position: relative;
  margin: 24px 0 32px;
  padding: 16px 18px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-sizing: border-box;
}
.pn-note-body pre code {
  display: block;
  background: transparent;
  padding: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--foreground);
  white-space: pre;
}
.pn-note-body ul,
.pn-note-body ol {
  margin: 0 0 24px;
  padding-left: 22px;
}
.pn-note-body li {
  margin-bottom: 10px;
}
.pn-note-body li::marker {
  color: var(--muted-foreground);
}
.pn-note-body li > ul,
.pn-note-body li > ol {
  margin: 10px 0 0;
}
.pn-note-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.pn-note-body hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.pn-note-body table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  font-size: 13.5px;
}
.pn-note-body th,
.pn-note-body td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}
.pn-note-body th {
  background: var(--muted);
  font-weight: 600;
}
.pn-note-body a {
  color: var(--foreground);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
}
.pn-note-body a:hover {
  text-decoration-color: var(--foreground);
}
.pn-note-body del {
  color: var(--muted-foreground);
}
.pn-note-body input[type="checkbox"] {
  margin-right: 6px;
  accent-color: var(--primary);
}
/* highlight.js：单色系高亮（粗细 + 灰阶区分） */
.pn-note-body .hljs-keyword,
.pn-note-body .hljs-tag,
.pn-note-body .hljs-name {
  font-weight: 600;
}
.pn-note-body .hljs-string,
.pn-note-body .hljs-attr,
.pn-note-body .hljs-attribute,
.pn-note-body .hljs-symbol,
.pn-note-body .hljs-bullet {
  color: var(--muted-foreground);
}
.pn-note-body .hljs-comment,
.pn-note-body .hljs-quote {
  color: var(--muted-foreground);
  font-style: italic;
}
/* 代码块复制按钮 */
.pn-copy-btn {
  position: absolute;
  right: 8px;
  top: 8px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--muted-foreground);
  font-size: 12px;
  line-height: 1.6;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.pn-note-body pre:hover .pn-copy-btn,
.pn-copy-btn:focus-visible {
  opacity: 1;
}
.pn-copy-btn:hover {
  color: var(--foreground);
}

/* ============================================================
   标签归档（标签归档.html）
   ============================================================ */
.pn-tag-content {
  padding-top: 48px;
  padding-bottom: 64px;
}
.pn-tag-pagehead h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-tag-pagehead p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted-foreground);
}
.pn-tag-cloud {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pn-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--foreground);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.pn-tag-pill:hover {
  background: var(--muted);
}
.pn-tag-pill svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--muted-foreground);
}
.pn-tag-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}
.pn-tag-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: none;
}
.pn-tag-pill.active svg,
.pn-tag-pill.active .pn-tag-count {
  color: var(--primary-foreground);
}
.pn-tag-groups {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.pn-tag-group-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-tag-group-title svg {
  width: 16px;
  height: 16px;
  flex: none;
  color: var(--muted-foreground);
}
.pn-tag-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
  text-decoration: none;
  transition: background-color 0.15s ease;
}
.pn-tag-rows .pn-tag-row:first-child {
  border-top: 1px solid var(--border);
}
.pn-tag-date {
  flex: none;
  width: 88px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}
.pn-tag-title {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  transition: color 0.15s ease;
}
.pn-tag-row:hover .pn-tag-title {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.pn-tag-arrow {
  flex: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.pn-tag-arrow svg {
  width: 16px;
  height: 16px;
  display: block;
}
.pn-tag-row:hover .pn-tag-arrow,
.pn-tag-row:focus-visible .pn-tag-arrow {
  opacity: 1;
}
@media (max-width: 640px) {
  .pn-tag-content {
    padding-top: 32px;
    padding-bottom: 48px;
  }
  .pn-tag-pagehead h1 {
    font-size: 32px;
  }
  .pn-tag-cloud {
    margin-top: 24px;
  }
  .pn-tag-groups {
    margin-top: 40px;
    gap: 32px;
  }
  .pn-tag-date {
    width: 78px;
    font-size: 11px;
  }
}

/* ============================================================
   404（404 页面.html）
   ============================================================ */
.pn-404-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px 24px;
  background: var(--background);
}
.pn-404-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--border);
}
.pn-404-title {
  margin: 24px 0 0;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-404-desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted-foreground);
}
.pn-404-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pn-404-actions .btn svg {
  width: 16px;
  height: 16px;
}
@media (max-width: 480px) {
  .pn-404-code {
    font-size: 56px;
  }
  .pn-404-title {
    font-size: 24px;
  }
}

/* ============================================================
   管理员登录（管理员登录.html）
   ============================================================ */
.pn-login-wrap {
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 32px 16px;
  background: var(--background);
}
.pn-login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.pn-login-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
.pn-login-wordmark {
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-login-card {
  box-sizing: border-box;
  width: 100%;
  max-width: 380px;
  padding: 28px 24px;
  gap: 0;
}
.pn-login-title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--foreground);
}
.pn-login-sub {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-foreground);
}
.pn-login-field {
  position: relative;
  display: flex;
  align-items: center;
}
.pn-login-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--muted-foreground);
  pointer-events: none;
}
.pn-login-input {
  box-sizing: border-box;
  width: 100%;
  height: 44px;
  padding: 0 42px 0 38px;
  border: 1px solid var(--input);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--foreground);
  font: 14px/1.4 var(--font-sans);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.pn-login-input:hover {
  border-color: var(--border-strong);
}
.pn-login-input:focus {
  outline: 2px solid var(--ring);
  outline-offset: 1px;
  border-color: var(--ring);
}
.pn-login-eye {
  position: absolute;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-login-eye:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-login-eye svg {
  width: 16px;
  height: 16px;
}
.pn-login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid var(--destructive-border);
  border-radius: var(--radius-sm);
  background: var(--destructive-subtle);
  color: var(--destructive-text);
  font-size: 13px;
  line-height: 1.5;
}
.pn-login-error svg {
  flex: none;
  width: 15px;
  height: 15px;
}
.pn-login-submit {
  width: 100%;
  height: 44px;
  margin-top: 20px;
  font-size: 14px;
}
.pn-login-submit svg {
  width: 16px;
  height: 16px;
}
.pn-login-hint {
  margin: 16px 0 0;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-foreground);
}
.pn-login-back {
  color: var(--muted-foreground);
  font-weight: 500;
}
.pn-login-back:hover {
  color: var(--foreground);
  background: var(--muted);
}
.pn-login-back svg {
  width: 14px;
  height: 14px;
}
@media (max-width: 480px) {
  .pn-login-card {
    padding: 24px 20px;
  }
  .pn-login-wordmark {
    font-size: 26px;
  }
}

/* ============================================================
   管理后台共享 shell —— sidebar + topbar + 移动端 tabbar
   （统一自 笔记管理/笔记编辑器/回收站/站点设置 四稿）
   ============================================================ */
.pn-admin-shell {
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
  min-height: 100vh;
  background: var(--background);
  color: var(--foreground);
}
.pn-admin-sidebar {
  width: auto;
  min-height: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  align-self: start;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 14px;
  background: var(--sidebar);
  color: var(--sidebar-foreground);
  border: 0;
  border-right: 1px solid var(--sidebar-border);
  border-radius: 0;
  box-shadow: none;
  box-sizing: border-box;
}
.pn-admin-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 10px 0;
  font-weight: 400;
  color: var(--sidebar-foreground);
  text-decoration: none;
}
.pn-admin-brand-mark {
  flex: none;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--sidebar-primary);
  color: var(--sidebar-primary-foreground);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1;
}
.pn-admin-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.pn-admin-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
.pn-admin-brand-copy strong {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
  color: var(--sidebar-foreground);
}
.pn-admin-section {
  padding: 0 10px;
  margin-bottom: -6px;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
.pn-admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pn-admin-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-foreground);
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-admin-item:hover {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
}
.pn-admin-item.active {
  background: var(--sidebar-primary);
  color: var(--sidebar-primary-foreground);
  font-weight: 600;
}
.pn-admin-item svg {
  width: 15px;
  height: 15px;
  flex: none;
  color: var(--muted-foreground);
  transition: color 0.15s ease;
}
.pn-admin-item:hover svg {
  color: var(--sidebar-accent-foreground);
}
.pn-admin-item.active svg {
  color: var(--sidebar-primary-foreground);
}
.pn-admin-foot {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--sidebar-border);
}
.pn-admin-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 2px;
}
.pn-admin-user-actions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.pn-admin-iconbtn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted-foreground);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-admin-iconbtn:hover {
  background: var(--sidebar-accent);
  color: var(--sidebar-accent-foreground);
}
.pn-admin-iconbtn svg {
  width: 15px;
  height: 15px;
}
/* CSS 悬浮 tooltip（原生 title 延迟高且部分环境不显示） */
.pn-admin-iconbtn::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  z-index: 30;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 2px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.pn-admin-iconbtn::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 100%;
  z-index: 30;
  margin-left: -5px;
  border: 5px solid transparent;
  border-top-color: var(--primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.pn-admin-iconbtn:hover::after,
.pn-admin-iconbtn:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}
.pn-admin-iconbtn:hover::before,
.pn-admin-iconbtn:focus-visible::before {
  opacity: 1;
}
.pn-admin-avatar {
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 999px;
  background: var(--sidebar-primary);
  color: var(--sidebar-primary-foreground);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 600;
}
.pn-admin-avatar svg {
  width: 14px;
  height: 14px;
}
.pn-admin-user-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}
.pn-admin-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--sidebar-foreground);
}
.pn-admin-user-role {
  font-size: 11px;
  color: var(--muted-foreground);
}
/* 主区 / topbar */
.pn-admin-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.pn-admin-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--background);
  border-bottom: 1px solid var(--border);
}
.pn-admin-topbar h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-admin-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.pn-admin-actions .btn {
  height: 34px;
  font-size: 13px;
}
.pn-admin-actions .btn.ghost {
  color: var(--muted-foreground);
}
.pn-admin-actions .btn.ghost:hover {
  color: var(--foreground);
}
.pn-admin-actions .btn svg {
  width: 15px;
  height: 15px;
}
.pn-admin-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}
/* 搜索框（topbar 内） */
.pn-admin-search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  width: 248px;
  padding: 0 10px;
  border: 1px solid var(--input);
  border-radius: var(--radius-sm);
  background: var(--card);
  transition: border-color 0.15s ease;
}
.pn-admin-search:focus-within {
  border-color: var(--ring);
  outline: 2px solid var(--ring);
  outline-offset: 1px;
}
.pn-admin-search svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--muted-foreground);
}
.pn-admin-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 13px;
  color: var(--foreground);
}
/* 移动端 tabbar（<768px） */
.pn-admin-tabbar {
  display: none;
}
/* 响应式 */
@media (max-width: 1023px) {
  .pn-admin-shell {
    grid-template-columns: 224px minmax(0, 1fr);
  }
  .pn-admin-content {
    padding: 20px;
  }
}
@media (max-width: 767px) {
  .pn-admin-shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .pn-admin-sidebar {
    display: none;
  }
  .pn-admin-topbar {
    padding: 12px 16px;
  }
  .pn-admin-topbar h1 {
    font-size: 16px;
  }
  .pn-admin-search {
    display: none;
  }
  .pn-admin-content {
    padding: 16px 16px 92px;
    gap: 16px;
  }
  .pn-admin-tabbar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    height: 62px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--card);
    border-top: 1px solid var(--border);
  }
  .pn-admin-tabbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    margin: 6px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
  }
  .pn-admin-tabbar a svg {
    width: 18px;
    height: 18px;
    color: currentColor;
  }
  .pn-admin-tabbar a.is-active {
    background: var(--sidebar-accent);
    color: var(--foreground);
    font-weight: 600;
  }
}

/* ============================================================
   笔记管理（笔记管理.html）
   ============================================================ */
.pn-al-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.pn-al-metrics .card {
  padding: 16px 18px;
  gap: 2px;
  box-shadow: var(--shadow-xs);
}
.pn-al-metrics .eyebrow {
  font-size: 11.5px;
  letter-spacing: 0.04em;
}
.pn-al-metrics .value {
  font-size: 28px;
  line-height: 1.2;
  margin: 2px 0;
}
.pn-al-metrics .meta {
  font-size: 12px;
  line-height: 1.5;
}
.pn-al-table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.pn-al-tab-num {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-left: 5px;
  opacity: 0.65;
}
.pn-al-table-note {
  font-size: 12px;
  color: var(--muted-foreground);
  white-space: nowrap;
}
.pn-table-scroll {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}
.pn-al-table-card .table {
  min-width: 600px;
}
.pn-al-note-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
}
.pn-al-note-title svg {
  width: 12px;
  height: 12px;
  flex: none;
  color: var(--muted-foreground);
}
.pn-al-is-draft .pn-al-note-title {
  color: var(--muted-foreground);
  font-weight: 500;
}
.pn-al-note-slug {
  display: block;
  margin-top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}
.pn-al-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pn-al-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted-foreground);
  white-space: nowrap;
}
.pn-al-date {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--foreground);
  white-space: nowrap;
}
.pn-al-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
}
.pn-al-status.pn-al-is-public {
  color: var(--success-text);
}
.pn-al-status.pn-al-is-public .dot {
  background: var(--success);
}
.pn-al-status.pn-al-is-draft {
  color: var(--muted-foreground);
}
.pn-al-status.pn-al-is-draft .dot {
  background: var(--muted-foreground);
  opacity: 0.55;
}
.pn-al-actions-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}
.pn-al-col-actions {
  width: 1%;
  white-space: nowrap;
  text-align: right;
}
.pn-icon-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
  color: var(--muted-foreground);
}
.pn-icon-btn:hover:not(:disabled) {
  color: var(--foreground);
}
.pn-icon-btn.danger {
  background: transparent;
  color: var(--destructive-text);
}
.pn-icon-btn.danger:hover:not(:disabled) {
  background: var(--destructive-subtle);
  color: var(--destructive-text);
  filter: none;
}
.pn-al-table-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
}
.pn-al-foot-note {
  font-size: 12px;
  color: var(--muted-foreground);
  white-space: nowrap;
}
@media (max-width: 767px) {
  .pn-al-metrics {
    gap: 8px;
  }
  .pn-al-metrics .card {
    padding: 12px;
  }
  .pn-al-metrics .value {
    font-size: 22px;
  }
  .pn-al-metrics .meta {
    display: none;
  }
  .pn-al-table-note {
    display: none;
  }
  .pn-al-table-foot {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* ============================================================
   笔记编辑器（笔记编辑器.html）
   ============================================================ */
.pn-ae-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
}
.pn-ae-editor {
  padding: 24px;
  gap: 0;
  min-width: 0;
}
.pn-ae-title-input {
  width: 100%;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: var(--tracking-tight);
  color: var(--foreground);
  outline: none;
}
.pn-ae-title-input::placeholder {
  color: var(--muted-foreground);
}
.pn-ae-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 0 0 14px;
}
.pn-ae-slug {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
  min-width: 0;
  overflow: hidden;
}
.pn-ae-slug svg {
  width: 12px;
  height: 12px;
  flex: none;
}
.pn-ae-slug span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pn-ae-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.pn-ae-tag {
  flex-direction: row;
  align-self: auto;
  padding: 4px 6px 4px 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  font-size: 12px;
  font-weight: 500;
}
.pn-ae-tag-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-ae-tag-x:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-ae-tag-x svg {
  width: 12px;
  height: 12px;
}
.pn-ae-add-tag {
  height: 26px;
  gap: 6px;
  padding: 0 10px;
  border: 1px dashed var(--border-strong);
  color: var(--muted-foreground);
  font-size: 12px;
  font-weight: 500;
}
.pn-ae-add-tag:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-ae-add-tag svg {
  width: 13px;
  height: 13px;
}
.pn-ae-tag-input {
  height: 26px;
  width: 110px;
  padding: 0 10px;
  border: 1px solid var(--input);
  border-radius: 999px;
  background: var(--card);
  color: var(--foreground);
  font-size: 12px;
  outline: none;
}
.pn-ae-tag-input:focus {
  border-color: var(--ring);
}
.pn-ae-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 0 18px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pn-ae-tool {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  color: var(--muted-foreground);
}
.pn-ae-tool:hover:not(:disabled) {
  background: var(--accent);
  color: var(--foreground);
}
.pn-ae-tool svg {
  width: 15px;
  height: 15px;
}
.pn-ae-tool-hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
  white-space: nowrap;
}
.pn-ae-body-wrap {
  min-height: 420px;
  border-radius: var(--radius-sm);
}
.pn-ae-preview {
  margin-top: 20px;
  padding: 4px 2px 0;
  border-top: 1px solid var(--border);
}
.pn-ae-preview .pn-note-body {
  margin-top: 20px;
}
.pn-ae-upload-msg {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted-foreground);
}
/* 发布设置侧卡 */
.pn-ae-side {
  position: sticky;
  top: 86px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pn-ae-publish {
  padding: 20px;
  gap: 0;
}
.pn-ae-publish .title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
}
.pn-ae-prow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: 13px;
}
.pn-ae-plabel {
  color: var(--muted-foreground);
}
.pn-ae-pvalue {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--foreground);
}
.pn-ae-pvalue.is-muted {
  color: var(--muted-foreground);
}
.pn-ae-pvalue svg {
  width: 14px;
  height: 14px;
  color: var(--muted-foreground);
}
.pn-ae-mono {
  font-family: var(--font-mono);
  font-size: 12px;
}
.pn-ae-pfield {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 0 2px;
}
.pn-ae-pfield > label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
}
.pn-ae-input {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--input);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--foreground);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease;
}
.pn-ae-input:focus {
  border-color: var(--ring);
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.pn-ae-input.is-error {
  border-color: var(--destructive);
  background: var(--destructive-subtle);
}
.pn-ae-textarea {
  height: auto;
  min-height: 68px;
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.6;
  resize: vertical;
}
.pn-ae-phint {
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted-foreground);
}
.pn-ae-error {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--destructive-text);
}
.pn-ae-divider {
  margin: 14px 0;
}
.pn-ae-danger {
  width: 100%;
  height: 34px;
  gap: 7px;
  border: 1px solid var(--destructive-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--destructive-text);
  font-size: 13px;
  font-weight: 500;
  padding: 0 12px;
}
.pn-ae-danger:hover:not(:disabled) {
  background: var(--destructive-subtle);
}
.pn-ae-danger svg {
  width: 15px;
  height: 15px;
}
/* 开关（发布设置） */
.pn-switch {
  position: relative;
  width: 36px;
  height: 20px;
  border: 0;
  border-radius: 999px;
  background: var(--border-strong);
  cursor: pointer;
  transition: background-color 0.15s ease;
  flex: none;
}
.pn-switch[aria-checked="true"] {
  background: var(--primary);
}
.pn-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow-xs);
  transition: transform 0.15s ease;
}
.pn-switch[aria-checked="true"]::after {
  transform: translateX(16px);
}
@media (max-width: 900px) {
  .pn-ae-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .pn-ae-side {
    position: static;
  }
}
@media (max-width: 767px) {
  .pn-ae-title-input {
    font-size: 26px;
  }
  .pn-ae-tags {
    margin-left: 0;
  }
}

/* ============================================================
   回收站（回收站.html）
   ============================================================ */
.pn-at-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--muted-foreground);
  font-size: 13px;
  line-height: 1.6;
}
.pn-at-alert svg {
  width: 16px;
  height: 16px;
  flex: none;
  margin-top: 2px;
}
.pn-at-alert p {
  margin: 0;
}
.pn-at-table-card .table {
  min-width: 560px;
}
.pn-at-title-cell {
  min-width: 220px;
}
.pn-at-note-title {
  color: var(--muted-foreground);
  font-weight: 500;
  text-decoration: line-through;
  text-decoration-color: var(--border);
}
.pn-at-note-slug {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-foreground);
}
.pn-at-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
  white-space: nowrap;
}
.pn-at-days {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--foreground);
  white-space: nowrap;
}
.pn-at-days-urgent {
  color: var(--destructive-text);
}
.pn-at-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.pn-at-actions .btn svg {
  width: 14px;
  height: 14px;
}

/* ============================================================
   站点设置（站点设置.html）
   ============================================================ */
.pn-as-content {
  max-width: 640px;
}
.pn-as-card {
  gap: 0;
  padding: 24px;
}
.pn-as-card-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pn-as-card-head .title {
  font-size: 15px;
}
.pn-as-card-head .meta {
  font-size: 13px;
  line-height: 1.6;
}
.pn-as-card .divider {
  margin: 16px 0 20px;
}
.pn-as-fields {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pn-as-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pn-as-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-foreground);
}
.pn-as-input {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--input);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea.pn-as-input {
  height: auto;
  min-height: 76px;
  padding: 8px 12px;
  resize: vertical;
  line-height: 1.7;
}
.pn-as-input:hover {
  border-color: var(--border-strong);
}
.pn-as-input:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 2px var(--ring);
}
.pn-as-control {
  position: relative;
  display: flex;
  align-items: center;
}
.pn-as-control .pn-as-input {
  padding-left: 36px;
}
.pn-as-control.has-toggle .pn-as-input {
  padding-right: 40px;
}
.pn-as-leading-icon {
  position: absolute;
  left: 11px;
  width: 15px;
  height: 15px;
  color: var(--muted-foreground);
  pointer-events: none;
}
.pn-as-eye {
  position: absolute;
  right: 6px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.pn-as-eye svg {
  width: 15px;
  height: 15px;
}
.pn-as-eye:hover {
  background: var(--muted);
  color: var(--foreground);
}
.pn-as-hint {
  margin: 0;
  font-size: 12px;
  color: var(--muted-foreground);
  line-height: 1.6;
}
.pn-as-msg {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
}
.pn-as-msg.ok {
  color: var(--success-text);
}
.pn-as-msg.err {
  color: var(--destructive-text);
}
.pn-as-card-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.pn-as-save-bar {
  position: sticky;
  bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.pn-as-save-hint {
  font-size: 12.5px;
  color: var(--muted-foreground);
}
.pn-as-save-bar .btn {
  min-height: 36px;
  padding: 0 16px;
  font-size: 13.5px;
  flex: none;
}
.pn-as-save-bar .btn svg {
  width: 15px;
  height: 15px;
}
@media (max-width: 767px) {
  .pn-as-card {
    padding: 20px;
  }
  .pn-as-save-bar {
    bottom: 88px;
    flex-wrap: wrap;
  }
}

/* ============================================================
   Toast 与确认弹层（各管理页共用）
   ============================================================ */
.pn-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--success-border);
  border-radius: var(--radius-md);
  background: var(--success-subtle);
  color: var(--success-text);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  animation: pn-toast-in 0.18s ease;
}
.pn-toast svg {
  width: 16px;
  height: 16px;
  flex: none;
}
.pn-toast.is-error {
  border-color: var(--destructive-border);
  background: var(--destructive-subtle);
  color: var(--destructive-text);
}
@keyframes pn-toast-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 767px) {
  .pn-toast {
    left: 16px;
    right: 16px;
    bottom: 80px;
  }
}
/* 确认弹层 */
.pn-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 16px;
  background: color-mix(in srgb, var(--brand-900) 40%, transparent);
}
.pn-modal {
  width: 100%;
  max-width: 380px;
  padding: 24px;
  gap: 0;
}
.pn-modal h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--foreground);
}
.pn-modal p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-foreground);
  overflow-wrap: anywhere;
}
.pn-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}
.pn-modal-actions .btn {
  height: 34px;
  font-size: 13px;
}

/* ============================================================
   CodeMirror（编辑器，token 化）
   ============================================================ */
.cm-editor {
  height: 100%;
  background: var(--background);
  font-size: 14.5px;
}
.cm-editor.cm-focused {
  outline: none !important;
}
.cm-gutters {
  border-right: 1px solid var(--border);
  background: var(--muted);
  color: var(--muted-foreground);
}
.cm-activeLine,
.cm-activeLineGutter {
  background: color-mix(in srgb, var(--muted) 55%, transparent) !important;
}
.pn-cm-drag {
  outline: 2px dashed var(--ring);
  outline-offset: -2px;
}
.pn-cm-drag-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary) 6%, transparent);
  font-size: 13px;
  font-weight: 500;
  color: var(--foreground);
  pointer-events: none;
}

/* ── 动效偏好 ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}