/* ==========================================================================
   望月凪 - 侧边栏 + 像素风设计系统
   布局: 左侧固定侧边栏 + 右侧内容区
   风格: 极简阅读型 · 像素图标 · 可选主题色 · 明暗切换
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  /* 主题色 - 默认翡翠绿,可通过 JS 动态切换 */
  --color-primary: #2d7a5f;
  --color-primary-hover: #1a6b4e;
  --color-primary-light: rgba(45, 122, 95, 0.1);

  /* 中性色 - 浅色主题 */
  --bg-base: #faf9f6;
  --bg-surface: #ffffff;
  --bg-card: #fffdf9;       /* 比 surface 暖一档，拉开层次 */
  --bg-muted: #f3f1ed;
  --bg-code: #f5f3ef;
  --bg-sidebar: #faf9f6;

  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-tertiary: #888;

  --border-color: #e4e0d8;
  --border-light: #efece6;
  --border-strong: #d0cabe;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  --font-pixel: "Press Start 2P", var(--font-mono);

  /* 字号 - 1.25 模数比 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;
  --text-3xl: 2.25rem;

  /* 间距 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* 布局 */
  --sidebar-width: 320px;
  --sidebar-gap: 2rem;
  --content-max: 720px;

  /* 过渡 */
  --transition: 0.2s ease;
  --transition-premium: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  --pixel-size: 20px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 4px 16px rgba(0,0,0,0.12);
}

/* ---------- 深色主题 ---------- */
:root.dark {
  --bg-base: #161618;
  --bg-surface: #1e1e22;
  --bg-card: #252529;
  --bg-muted: #26262b;
  --bg-code: #222226;
  --bg-sidebar: #161618;
  --bg-hover: #2a2a30;

  --text-primary: #e6e6e8;
  --text-secondary: #b8b8c0;   /* 提高对比度 */
  --text-tertiary: #8a8a94;    /* 3.5:1+ on #252529 */

  --border-color: #3a3a44;     /* 从 #2e2e34 提亮，可见 */
  --border-light: #404048;
  --border-strong: #4a4a54;

  /* 暗色模式阴影 */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 4px 16px rgba(0,0,0,0.4);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-primary);
  background: var(--bg-base);
  transition: background var(--transition), color var(--transition);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary-hover); }

img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- 全局表单控件覆盖（消除浏览器默认外观） ---------- */

/* 所有 input / textarea / select / 基础外观 */
input, textarea, select {
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  line-height: 1.6;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
input:hover, textarea:hover, select:hover { border-color: var(--border-strong); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* 文本域 */
textarea { resize: vertical; min-height: 80px; line-height: 1.75; }

/* placeholder */
input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
  opacity: 1;
}

/* checkbox / radio — 自定义勾选标记 */
input[type="checkbox"], input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  min-width: 18px;
  padding: 0;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition), background var(--transition);
  vertical-align: middle;
  margin-right: var(--space-2);
}
input[type="radio"] { border-radius: var(--radius-full); }
input[type="checkbox"]:hover, input[type="radio"]:hover { border-color: var(--color-primary); }
input[type="checkbox"]:checked, input[type="radio"]:checked {
  border-color: var(--color-primary);
  background: var(--color-primary);
}
input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: #fff;
  transform: translate(-50%, -50%);
}
input[type="checkbox"]:focus-visible, input[type="radio"]:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* range 滑块 */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  border: none;
  padding: 0;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }
input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: var(--shadow-sm);
}
input[type="range"]:focus { box-shadow: none; }

/* date / time / datetime-local — 统一外观 */
input[type="date"], input[type="time"], input[type="datetime-local"],
input[type="month"], input[type="week"] {
  font-family: inherit;
  color: var(--text-primary);
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  filter: var(--calendar-filter, none);
}
:root.dark input[type="date"]::-webkit-calendar-picker-indicator,
:root.dark input[type="time"]::-webkit-calendar-picker-indicator,
:root.dark input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
}

/* file input */
input[type="file"] {
  font-family: inherit;
  font-size: var(--text-sm);
  padding: var(--space-2);
  background: var(--bg-muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
}
input[type="file"]::file-selector-button {
  font-family: inherit;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-3);
  margin-right: var(--space-2);
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: background var(--transition);
}
input[type="file"]::file-selector-button:hover { background: var(--color-primary-hover); }

/* select 下拉箭头自定义 */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 12px;
  padding-right: var(--space-6);
  cursor: pointer;
}
select[multiple] { background-image: none; padding-right: var(--space-3); }
select option { color: var(--text-primary); background: var(--bg-surface); }

/* label */
label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

/* fieldset / legend */
fieldset {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  min-width: 0;
}
legend {
  padding: 0 var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

/* ---------- 全局排版元素覆盖 ---------- */

/* code / pre / kbd / samp — 全局等宽代码风格 */
code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
code {
  background: var(--bg-code);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  word-wrap: break-word;
}
pre {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  line-height: 1.6;
}
pre code { background: none; padding: 0; border-radius: 0; font-size: inherit; }

/* kbd 键盘按键 */
kbd {
  display: inline-block;
  padding: 0.15em 0.5em;
  background: var(--bg-muted);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  line-height: 1.4;
  color: var(--text-primary);
}

/* mark 高亮 */
mark {
  background: rgba(45, 122, 95, 0.2);
  color: inherit;
  padding: 0.1em 0.2em;
  border-radius: var(--radius-sm);
}
:root.dark mark { background: rgba(45, 122, 95, 0.35); }

/* hr 分割线 */
hr {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
  margin: var(--space-6) 0;
}

/* blockquote 引用块 */
blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-3) var(--space-4);
  margin: var(--space-4) 0;
  background: var(--color-primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
}
blockquote p:last-child { margin-bottom: 0; }

/* table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin: var(--space-4) 0;
}
th, td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}
th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-muted);
  border-bottom-width: 2px;
  border-bottom-color: var(--border-strong);
}
tbody tr:hover { background: var(--bg-muted); }

/* details / summary 折叠 */
details { margin-bottom: var(--space-3); }
summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  user-select: none;
  list-style: none;
  transition: color var(--transition);
}
summary:hover { color: var(--text-primary); }
summary::-webkit-details-marker { display: none; }
summary::before {
  content: "\25B8\FE0E";
  display: inline-block;
  margin-right: var(--space-2);
  transition: transform var(--transition);
  color: var(--color-primary);
}
details[open] > summary::before { transform: rotate(90deg); }

/* abbr 缩写 */
abbr[title] {
  text-decoration: underline dotted;
  text-underline-offset: 2px;
  cursor: help;
  border-bottom: none;
}

/* ---------- 全局选区 / 滚动条 ---------- */

/* 文字选中高亮 */
::selection {
  background: var(--color-primary);
  color: #fff;
}
:root.dark ::selection { color: #fff; }
::-moz-selection {
  background: var(--color-primary);
  color: #fff;
}

/* 全局滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }
:root.dark ::-webkit-scrollbar-thumb { background: var(--border-color); }
/* Firefox */
html { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }

/* dialog 元素 */
dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}
dialog::backdrop { background: rgba(0,0,0,0.4); backdrop-filter: blur(2px); }

/* progress / meter */
progress {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--bg-muted);
  overflow: hidden;
}
progress::-webkit-progress-bar { background: var(--bg-muted); border-radius: var(--radius-full); }
progress::-webkit-progress-value {
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition);
}
progress::-moz-progress-bar { background: var(--color-primary); border-radius: var(--radius-full); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   布局: 固定侧边栏 + 内容区
   ========================================================================== */

/* 外层容器:整体居中,不贴边 */
.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ---------- 侧边栏: position:fixed 彻底固定 ---------- */
.sidebar {
  position: fixed;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  left: max(var(--space-6), calc(50% - 550px + var(--space-6)));
}

/* 跳过导航链接 - 可访问性 */
.skip-link {
  position: absolute;
  top: -50px;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  z-index: 10001;
  transition: top 0.2s ease;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 2px; }

/* 侧边栏区块：logo/controls 固定 + 导航可滚动 */
.sidebar-block { padding: var(--space-4) var(--space-4); flex-shrink: 0; }
.sidebar-block:last-child { flex-shrink: 1; overflow-y: hidden; }
/* 导航可滚动区 */
.sidebar-nav-title { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); padding: 0 var(--space-3) var(--space-1); flex-shrink: 0; }
.sidebar-nav { flex-shrink: 0; padding: 0 var(--space-4); }
.sidebar-divider { height: 1px; background: var(--border-color); margin: var(--space-2) 0; flex-shrink: 0; }

/* ====== 第一栏: Logo + 颜色 + 主题 ====== */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.sidebar-logo .pixel-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.sidebar-logo-text {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.sidebar-logo-text:hover { text-decoration: none; color: var(--color-primary); }

.sidebar-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* 主题色选择器 */
.color-picker {
  display: flex;
  gap: var(--space-2);
}
.color-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition), transform var(--transition);
}
.color-dot:hover { transform: scale(1.15); }
.color-dot.active {
  border-color: var(--text-primary);
  transform: scale(1.1);
}

/* 明暗切换 */
.theme-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text-tertiary);
  transition: color var(--transition-premium), background var(--transition-premium), border-color var(--transition-premium), transform var(--transition-premium);
  margin-left: auto;
}
.theme-btn:hover {
  color: var(--text-primary);
  background: var(--bg-muted);
  border-color: var(--border-color);
  transform: translateY(-1px);
}
.theme-btn:active { transform: scale(0.96); }
.theme-mode-options {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ====== 导航 ====== */
.sidebar-nav-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: 4px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-nav-item .pixel-icon {
  width: var(--pixel-size);
  height: var(--pixel-size);
  flex-shrink: 0;
  opacity: 0.7;
}
.sidebar-nav-item span[data-pixel] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.sidebar-nav-item:hover {
  background: var(--bg-muted);
  color: var(--color-primary);
  text-decoration: none;
}
.sidebar-nav-item:hover .pixel-icon { opacity: 1; }
.sidebar-nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.sidebar-nav-item.active .pixel-icon { opacity: 1; }

/* 侧边栏底部备案 */
.sidebar-beian {
  margin-top: auto;
  flex-shrink: 0;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  padding: var(--space-3) var(--space-4) var(--space-3);
  border-top: 1px solid var(--border-color);
  overflow: hidden;
}
.sidebar-beian p { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-beian a { color: var(--text-tertiary); }
.sidebar-beian a:hover { color: var(--text-secondary); }
.sidebar-beian .beian-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: 0.25rem;
}
.sidebar-beian .police-badge {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ---------- 内容区: 左边留出侧边栏宽度 ---------- */
.content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
  width: calc(100% - var(--sidebar-width));
  padding: clamp(36px, 5vw, 64px) clamp(24px, 4vw, 48px);
  max-width: calc(var(--content-max) + 96px);
  transition: opacity 0.18s ease;
}

.content-inner {
  width: 100%;
  max-width: var(--content-max);
}

/* ---------- 移动端汉堡菜单按钮 ---------- */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 1001;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-premium), transform var(--transition-premium);
}
.mobile-menu-btn:hover { background: var(--bg-muted); }
.mobile-menu-btn:active { transform: scale(0.96); }
.mobile-menu-btn svg { width: 20px; height: 20px; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16,18,20,0.48);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.22s ease;
}
body.sidebar-open .sidebar-overlay { display: block; opacity: 1; }

@media (min-width: 769px) and (max-width: 1100px) {
  .sidebar {
    left: var(--space-4) !important;
  }
}

@media (max-width: 768px) {
  .layout { flex-direction: column; }
  .mobile-menu-btn { display: flex; }

  .sidebar {
    width: 320px;
    height: 100vh;
    position: fixed;
    left: -320px;
    top: 0;
    padding: var(--space-5);
    border-right: 1px solid var(--border-light);
    border-bottom: none;
    z-index: 1000;
    transition: left 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
  }
  body.sidebar-open .sidebar { left: 0 !important; }
  .sidebar-beian { display: block; }
  .content {
    margin-left: 0;
    width: 100%;
    max-width: none;
    padding: 68px 18px max(28px, env(safe-area-inset-bottom));
  }
  .content-inner { width: 100%; margin-inline: auto; }
}

/* ==========================================================================
   像素风图标 (保留兼容)
   ========================================================================== */
.pixel-icon {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Bootstrap Icons 通用样式 - 全局对齐修复 */
i.bi {
  line-height: 1;
  vertical-align: -0.125em;
  font-style: normal;
}

[data-pixel] i.bi {
  font-size: 16px;
}

.sidebar-logo i.bi {
  font-size: 24px;
}

.sidebar-nav-item i.bi {
  font-size: 16px;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.sidebar-nav-item:hover i.bi,
.sidebar-nav-item.active i.bi {
  opacity: 1;
}

/* 导航/菜单中的图标对齐 */
.nav-link i.bi,
.menu-item i.bi,
.tab-item i.bi {
  font-size: 14px;
  margin-right: 4px;
}

/* 按钮中的图标对齐 */
.btn i.bi,
.cms-btn i.bi {
  font-size: 14px;
  margin-right: 4px;
}

/* 表格/列表中的图标 */
td i.bi,
li i.bi {
  font-size: 14px;
}

/* 搜索框图标 */
.search-wrap i.bi,
.input-group i.bi {
  font-size: 16px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* ==========================================================================
   排版
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--text-3xl); margin-bottom: var(--space-5); }
h2 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
h4 { font-size: var(--text-lg); margin-bottom: var(--space-3); }

p { margin-bottom: var(--space-4); }

.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }

/* ==========================================================================
   首页
   ========================================================================== */
.hero {
  margin-bottom: var(--space-10);
}
.hero h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}
.hero p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 580px;
}

/* Hero 头像 */
.hero-avatar { margin-bottom: var(--space-5); }
.hero-avatar-pixel {
  width: 72px; height: 72px;
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
}

/* Hero 社交链接 */
.hero-socials {
  display: flex; gap: var(--space-3); margin-top: var(--space-5); flex-wrap: wrap;
}
.hero-socials a {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-full); font-size: var(--text-sm);
  color: var(--text-secondary); text-decoration: none;
  transition: var(--transition);
}
.hero-socials a:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  background: var(--color-primary-light);
}

/* 首页节奏分隔 */
.home-section-divider {
  margin: var(--space-6) 0 var(--space-10);
  border-top: 1px solid var(--border-light);
}

.home-section {
  margin-bottom: var(--space-10);
}
.home-section-header {
  margin-bottom: var(--space-5);
}
.home-section-title {
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.home-section-title .pixel-icon {
  width: 18px;
  height: 18px;
}
.home-section-title span[data-pixel] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.home-section-title i.bi {
  font-size: 18px;
  color: var(--color-primary);
}
.home-section-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* 文章列表 */
.post-list { display: flex; flex-direction: column; }
.post-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: nowrap;
}
.post-item:last-child { border-bottom: none; }
.post-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  min-width: 70px;
  font-variant-numeric: tabular-nums;
}
.post-title-link {
  font-size: var(--text-base);
  color: var(--text-primary);
  font-weight: 500;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post-title-link:hover { color: var(--color-primary); text-decoration: none; }
.post-meta { display: inline-flex; align-items: center; gap: 10px; margin-left: auto; white-space: nowrap; flex-shrink: 0; opacity: 1; transition: opacity 0.2s ease; }
.post-item { position: relative; }
.post-meta-item { font-size: var(--text-xs); color: var(--text-tertiary); }
.post-meta-item.access-badge, .skill-tag.access-badge {
  color: var(--color-primary);
  background: rgba(45, 122, 95, 0.1);
  border: 1px solid rgba(45, 122, 95, 0.18);
  border-radius: 999px;
  padding: 2px 8px;
}
/* 管理操作按钮：hover 时替换 post-meta，同为 flex 子元素自然垂直对齐 */
.admin-row-actions { display: none; align-items: center; margin-left: auto; gap: 6px; white-space: nowrap; flex-shrink: 0; }
.post-item:hover .post-meta { display: none; }
.post-item:hover .admin-row-actions,
.admin-row-actions.always-visible { display: inline-flex; }
.admin-more-details {
  display: none;
  position: relative;
}
.admin-more-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 16px;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  list-style: none;
}
.admin-more-btn::-webkit-details-marker { display: none; }
.admin-more-btn:hover { background: var(--bg-hover); }
.admin-more-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
  z-index: 10;
  min-width: 80px;
  overflow: hidden;
}
.admin-more-menu a {
  display: block;
  padding: 8px 12px;
  font-size: var(--text-sm);
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
}
.admin-more-menu a:hover { background: var(--bg-hover); }
.admin-more-menu a.is-danger { color: var(--color-danger); }

/* ===== 博客列表移动端适配 ===== */
@media (max-width: 768px) {
  .post-item {
    flex-wrap: wrap !important;
    overflow: visible !important;
    gap: var(--space-1) 0;
    position: relative;
  }
  .post-date {
    min-width: 55px;
    font-size: 11px;
    width: 100%;
    margin-bottom: var(--space-1);
  }
  .post-title-link {
    font-size: var(--text-sm);
    width: 100%;
    order: 1;
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
    word-break: break-word;
  }
  .post-meta {
    margin-left: 0;
    gap: 6px;
    font-size: 11px;
    width: 100%;
    order: 2;
  }
  .post-meta-item {
    font-size: 10px;
  }
  .admin-row-actions {
    display: none !important;
  }
  .admin-more-details {
    display: block;
    position: absolute;
    right: 0;
    top: var(--space-3);
  }
  .admin-draft-badge {
    order: 0;
  }
  .admin-row-actions .admin-btn {
    padding: 3px 8px;
    font-size: 11px;
  }
}

/* 深读列表 */
.deepdive-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-6);
}
.deepdive-item {
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}
@media (max-width: 640px) { .deepdive-list { grid-template-columns: 1fr; } }

/* ==========================================================================
   博客列表页
   ========================================================================== */
.page-header {
  margin-bottom: clamp(28px, 5vw, 44px);
  padding-bottom: clamp(18px, 3vw, 28px);
  border-bottom: 1px solid var(--border-light);
  animation: pageEnter 0.42s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.page-header h1 {
  max-width: 18ch;
  font-size: clamp(1.9rem, 4vw, var(--text-3xl));
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.page-header p {
  max-width: 56ch;
  margin-top: var(--space-2);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  line-height: 1.7;
}
@keyframes pageEnter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes listItemEnter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.blog-filter {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-secondary);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.blog-filter:hover { border-color: var(--border-strong); color: var(--text-primary); }
.blog-filter.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.blog-filter span[data-pixel] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.blog-filter i.bi {
  font-size: 12px;
}

/* ==========================================================================
   博客页 v2: 工具栏 / 年分组 / A-Z主题分组 / 搜索
   ========================================================================== */

/* ---- 工具栏 ---- */
.blog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.blog-view-tabs { display: flex; gap: var(--space-1); }
.blog-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  border: 1px solid var(--border-color);
  border-bottom: none;
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}
.blog-tab span[data-pixel] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.blog-tab i.bi {
  font-size: 13px;
}
.blog-tab:first-child { border-radius: 3px 0 0 0; }
.blog-tab:last-child { border-radius: 0 3px 0 0; }
.blog-tab:hover { color: var(--text-primary); border-color: var(--border-strong); }
.blog-tab.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  font-weight: 600;
}

/* ---- 搜索框 ---- */
.blog-search-wrap {
  position: relative;
  flex: 0 1 280px;
}
.blog-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.blog-search-icon i.bi {
  font-size: 14px;
  color: var(--text-tertiary);
}
.blog-search {
  width: 100%;
  min-height: 44px;
  padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) + 20px);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.blog-search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 122, 95, 0.1);
}
.blog-search::placeholder { color: var(--text-tertiary); }

/* ---- 按日期: 年分组 ---- */
.blog-year-group {
  margin-bottom: var(--space-8);
}
.blog-year-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  margin-bottom: var(--space-2);
  border-bottom: 2px solid var(--border-color);
  cursor: pointer;
  user-select: none;
  transition: border-color var(--transition);
}
.blog-year-header:hover { border-bottom-color: var(--color-primary); }
.blog-year-arrow {
  font-size: 10px;
  color: var(--text-tertiary);
  transition: transform 0.2s ease;
  display: inline-block;
}
.blog-year-group.collapsed .blog-year-arrow { transform: rotate(-90deg); }
.blog-year-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.blog-year-count {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  background: var(--bg-muted);
  padding: var(--space-1) var(--space-2);
  border-radius: 3px;
  font-variant-numeric: tabular-nums;
}
.blog-year-posts {
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.blog-year-group.collapsed .blog-year-posts {
  max-height: 0;
}

/* ---- 按主题: A-Z 分组 ---- */
.blog-letter-group {
  margin-bottom: var(--space-6);
}
.blog-letter-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}
.blog-letter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--bg-muted);
  border-radius: 4px;
  border: 1px solid var(--border-color);
}
.blog-letter-count {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}
.blog-letter-body { display: flex; flex-direction: column; gap: var(--space-5); }

/* ---- 单个主题块 ---- */
.blog-topic-block {
  padding-left: var(--space-3);
  border-left: 2px solid var(--border-color);
  transition: border-color var(--transition);
}
.blog-topic-block:hover { border-left-color: var(--color-primary); }
.blog-topic-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.blog-topic-num {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-tertiary);
  background: var(--bg-muted);
  padding: 1px var(--space-2);
  border-radius: 10px;
}
.blog-topic-posts { display: flex; flex-direction: column; }

/* ---- 无结果 ---- */
.blog-empty,
.site-empty {
  text-align: center;
  padding: var(--space-12) 0;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  background: linear-gradient(180deg, var(--bg-surface), transparent);
}
.site-empty-kicker { color: var(--text-primary); font-weight: 600; margin-bottom: var(--space-1); }

@media (max-width: 640px) {
  .blog-toolbar { flex-direction: column; align-items: stretch; }
  .blog-search-wrap { flex: 1; }
  .blog-year-title { font-size: var(--text-xl); }
}

/* ==========================================================================
   文章正文
   ========================================================================== */
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 9999; pointer-events: none; background: transparent; }
.reading-progress span { display: block; width: 100%; height: 100%; background: var(--color-primary); transform: scaleX(0); transform-origin: left center; transition: transform 0.08s linear; }
.article-header { margin-bottom: var(--space-8); }
.article-header h1 { font-size: var(--text-3xl); margin-bottom: var(--space-3); letter-spacing: -0.025em; }
.article-meta {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}
.article-meta span { white-space: nowrap; }
.article-meta span:not(:last-child)::after { content: "·"; margin-left: var(--space-3); color: var(--border-strong); }

.article-body { font-size: var(--text-base); line-height: 1.85; }
.article-body h2 { font-size: var(--text-2xl); margin: var(--space-8) 0 var(--space-4); }
.article-body h3 { font-size: var(--text-lg); margin: var(--space-6) 0 var(--space-3); }
.article-body p { margin-bottom: var(--space-5); color: var(--text-secondary); }
/* 编辑器输出的旧式点阵字体（黑体/SimHei 等）在 HiDPI 屏上渲染模糊，强制覆盖为系统字体栈 */
.article-body p, .article-body span, .article-body strong, .article-body em,
.article-body li, .article-body td, .article-body div {
  font-family: var(--font-sans) !important;
}
.article-body code, .article-body pre, .article-body pre code {
  font-family: var(--font-mono) !important;
}
.article-body ul, .article-body ol {
  margin: var(--space-4) 0 var(--space-5);
  padding-left: var(--space-6);
  color: var(--text-secondary);
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: var(--space-2); }
.article-body strong { font-weight: 600; }
.article-body code {
  font-family: var(--font-mono);
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.875em;
}
.article-body pre {
  background: var(--bg-code);
  padding: var(--space-4);
  border-radius: 4px;
  overflow-x: auto;
  margin: var(--space-5) 0;
  border: 1px solid var(--border-color);
  font-size: var(--text-sm);
}
.article-body pre code { background: none; padding: 0; color: var(--text-primary); }

/* Prism.js 自定义样式 */
.article-body pre[class*="language-"] {
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-4);
  margin: var(--space-5) 0;
  font-size: var(--text-sm);
  line-height: 1.6;
}
.article-body pre[class*="language-"] code {
  background: none;
  padding: 0;
  font-family: var(--font-mono);
}
.article-body :not(pre) > code[class*="language-"] {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.875em;
}
/* 行号样式 */
.article-body pre.line-numbers {
  padding-left: 3.5em;
  counter-reset: linenumber;
}
.article-body pre.line-numbers .line-numbers-rows {
  border-right: 1px solid var(--border-color);
  left: 0;
  width: 2.5em;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}
.article-body pre.line-numbers .line-numbers-rows > span::before {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}
.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-5);
  margin: var(--space-5) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-enter { animation: articleEnter 0.42s cubic-bezier(0.16, 1, 0.3, 1) both; }
.article-enter.article-done { animation: none; opacity: 1; transform: none; }
.article-body.article-enter { animation-delay: 0.06s; }

/* 文章系列导航 */
.article-series {
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}
.series-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.series-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.series-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.15s ease;
  font-size: var(--text-sm);
}
.series-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}
.series-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
}
.series-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  font-size: var(--text-xs);
  font-weight: 600;
  flex-shrink: 0;
}
.series-item.active .series-num {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}
.series-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 留言板 */
.guestbook-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.guestbook-form-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--space-6);
}
.guestbook-form-title,
.guestbook-list-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}
.guestbook-list-title span {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: normal;
}
.guestbook-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.gb-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.gb-form-field label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.gb-form-field input,
.gb-form-field textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-base);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: inherit;
  transition: border-color 0.2s;
}
.gb-form-field input:focus,
.gb-form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.gb-form-field textarea {
  resize: vertical;
  min-height: 100px;
}
.gb-form-actions {
  display: flex;
  justify-content: flex-end;
}
.gb-submit-btn {
  padding: 10px 28px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.gb-submit-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.gb-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.guestbook-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.gb-message {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  animation: noteFadeIn 0.3s ease forwards;
  opacity: 0;
}
.gb-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--text-base);
  flex-shrink: 0;
}
.gb-body {
  flex: 1;
  min-width: 0;
}
.gb-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.gb-nickname {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--text-sm);
}
.gb-time {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}
.gb-content {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.gb-empty {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-tertiary);
}
.gb-loading {
  text-align: center;
  padding: var(--space-4);
  color: var(--text-tertiary);
}
@media (max-width: 768px) {
  .gb-form-row {
    grid-template-columns: 1fr;
  }
}
.article-toc {
  position: fixed;
  left: calc(50% + 540px);
  top: var(--space-8);
  width: 180px;
  max-height: calc(100vh - var(--space-12));
  overflow: auto;
  padding-left: var(--space-4);
  border-left: 1px solid var(--border-color);
  color: var(--text-tertiary);
  z-index: 2;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  transition: scrollbar-color 0.3s ease;
}
.article-toc:hover {
  scrollbar-color: var(--border-strong) transparent;
}
.article-toc::-webkit-scrollbar { width: 3px; }
.article-toc::-webkit-scrollbar-track { background: transparent; }
.article-toc::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 3px;
  transition: background 0.3s ease;
}
.article-toc:hover::-webkit-scrollbar-thumb {
  background: var(--border-strong);
}
.article-toc:hover::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}
.article-toc-title { font-size: var(--text-xs); letter-spacing: 0.08em; color: var(--text-tertiary); margin-bottom: var(--space-3); }
.article-toc nav { display: flex; flex-direction: column; gap: var(--space-2); }
.article-toc a { font-size: var(--text-xs); color: var(--text-tertiary); line-height: 1.45; transition: color var(--transition), transform var(--transition); }
.article-toc a:hover, .article-toc a.active { color: var(--color-primary); transform: translateX(2px); }
.article-toc .toc-h3 { padding-left: var(--space-3); opacity: 0.85; }
@media (max-width: 1500px) { .article-toc { display: none; } }
@keyframes articleEnter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.post-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
  gap: var(--space-5);
}
.post-nav-label { display: block; font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: var(--space-1); }

/* ==========================================================================
   时间线(笔记页)
   ========================================================================== */
.notes-list { display: flex; flex-direction: column; gap: var(--space-5); }
.note-item {
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.note-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}
.note-item:hover .note-admin-actions { display: flex; }
.note-item:last-child { margin-bottom: 0; }
.note-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-2); }
.note-admin-actions { display: none; gap: 6px; }
.note-admin-actions .admin-btn { padding: 3px 10px; font-size: 12px; }
.skill-tag { cursor: pointer; transition: all 0.15s ease; }
.skill-tag:hover { background: var(--color-primary); color: white; }

/* 笔记卡片加载动画 */
@keyframes noteFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.note-item {
  animation: noteFadeIn 0.3s ease forwards;
  opacity: 0;
}
.note-item:nth-child(1) { animation-delay: 0.05s; }
.note-item:nth-child(2) { animation-delay: 0.1s; }
.note-item:nth-child(3) { animation-delay: 0.15s; }
.note-item:nth-child(4) { animation-delay: 0.2s; }
.note-item:nth-child(5) { animation-delay: 0.25s; }
.note-item:nth-child(6) { animation-delay: 0.3s; }
.note-item:nth-child(7) { animation-delay: 0.35s; }
.note-item:nth-child(8) { animation-delay: 0.4s; }
.note-item:nth-child(9) { animation-delay: 0.45s; }
.note-item:nth-child(10) { animation-delay: 0.5s; }
.note-date { font-size: var(--text-sm); color: var(--color-primary); font-weight: 500; margin-bottom: var(--space-2); }
.note-title { font-family: var(--font-serif); font-size: var(--text-lg); margin-bottom: var(--space-2); }
.note-desc { color: var(--text-secondary); font-size: var(--text-base); }
.note-tags { margin-top: var(--space-3); display: flex; gap: var(--space-2); flex-wrap: wrap; }

.stats { display: flex; gap: var(--space-8); margin: var(--space-6) 0; }
.stat-num { font-family: var(--font-serif); font-size: var(--text-2xl); color: var(--color-primary); font-weight: 600; }
.stat-label { font-size: var(--text-xs); color: var(--text-tertiary); }

/* 笔记搜索框 */
.notes-search-wrap {
  position: relative;
  margin-bottom: var(--space-3);
  max-width: 400px;
}
.notes-result-info {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   资源页
   ========================================================================== */
.resource-group { margin-bottom: var(--space-8); }
.resource-library-panel { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); flex-wrap: wrap; }
.resource-search-wrap { position: relative; flex: 1 1 280px; min-width: 0; }
.resource-search-wrap .pixel-icon { position: absolute; left: var(--space-3); top: 50%; transform: translateY(-50%); width: 16px; height: 16px; pointer-events: none; }
.resource-search-wrap i.bi { position: absolute; left: var(--space-3); top: 50%; transform: translateY(-50%); font-size: 16px; pointer-events: none; color: var(--text-tertiary); }
.resource-search { width: 100%; padding-left: calc(var(--space-3) + 22px); }
.resource-type-select { min-width: 128px; padding: var(--space-2) var(--space-3); color: var(--text-primary); background: var(--bg-base); border: 1px solid var(--border-color); border-radius: 3px; font-size: var(--text-sm); }
.resource-result-info { margin: calc(-1 * var(--space-2)) 0 var(--space-4); color: var(--text-tertiary); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }

/* 资源统计面板 */
.resource-stats {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.resource-stats-loading {
  opacity: 0;
  transform: translateY(8px);
}
.resource-stats:not(.resource-stats-loading) {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.resource-stat-item {
  flex: 1;
  min-width: 120px;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-align: center;
}
.resource-stat-num {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  font-family: var(--font-serif);
}
.resource-stat-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: 2px;
}

.resource-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
  animation: noteFadeIn 0.3s ease forwards;
  opacity: 0;
}
.resource-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}
.resource-item:last-child { margin-bottom: 0; }
.resource-item:nth-child(1) { animation-delay: 0.05s; }
.resource-item:nth-child(2) { animation-delay: 0.1s; }
.resource-item:nth-child(3) { animation-delay: 0.15s; }
.resource-item:nth-child(4) { animation-delay: 0.2s; }
.resource-item:nth-child(5) { animation-delay: 0.25s; }
.resource-item:nth-child(6) { animation-delay: 0.3s; }
.resource-item:nth-child(7) { animation-delay: 0.35s; }
.resource-item:nth-child(8) { animation-delay: 0.4s; }
.resource-item:nth-child(9) { animation-delay: 0.45s; }
.resource-item:nth-child(10) { animation-delay: 0.5s; }
.resource-item .pixel-icon { width: 24px; height: 24px; flex-shrink: 0; }
.resource-info { flex: 1; min-width: 0; }
.resource-name { font-weight: 500; color: var(--text-primary); display: flex; align-items: center; gap: var(--space-2); }
.resource-desc { font-size: var(--text-sm); color: var(--text-tertiary); }
.resource-meta { font-size: var(--text-xs); color: var(--text-tertiary); white-space: nowrap; text-align: right; }
.resource-ext-badge,
.resource-type-badge,
.resource-feature-badge {
  display: inline-block;
  padding: 1px 5px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 3px;
  letter-spacing: 0.5px;
}
.resource-ext-badge { text-transform: uppercase; color: white; background: var(--color-primary); }

/* ==========================================================================
   管理员模式样式 (公开页登录态注入)
   ========================================================================== */

/* 管理员工具栏 —— 文章顶部操作条，sticky 顶部常驻 */
.admin-article-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 16px;
  margin-bottom: var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  backdrop-filter: blur(8px);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.admin-article-bar.is-stuck {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.admin-article-bar .admin-bar-label {
  font-weight: 600;
  color: var(--color-primary);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}
.admin-article-bar .admin-bar-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: adminPulse 2s ease-in-out infinite;
}
@keyframes adminPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ====== 点赞按钮 ====== */
.like-section {
  display: flex;
  justify-content: center;
  padding: var(--space-8) 0 var(--space-4);
}
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px 32px;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: var(--text-base);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}
.like-btn:hover {
  border-color: #e74c3c;
  color: #e74c3c;
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(231,76,60,0.15);
}
.like-btn.liked {
  border-color: #e74c3c;
  color: #e74c3c;
  background: rgba(231,76,60,0.06);
}
.like-btn.liked .like-icon {
  animation: likePopIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.like-btn.loading { opacity: 0.6; pointer-events: none; }
.like-icon {
  font-size: 1.3em;
  line-height: 1;
}
.like-count {
  font-weight: 700;
  font-family: var(--font-serif);
  min-width: 1.2em;
  text-align: center;
}
@keyframes likePopIn {
  0% { transform: scale(1); }
  40% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.admin-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.admin-btn.is-danger:hover {
  border-color: #e74c3c;
  color: #e74c3c;
}
.admin-btn.is-warning:hover {
  border-color: #e67e22;
  color: #e67e22;
}
.admin-btn.is-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.admin-btn.is-primary:hover {
  opacity: 0.88;
  color: white;
}

/* 草稿状态角标 */
.admin-draft-badge {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #e74c3c;
  margin-left: 4px;
  vertical-align: middle;
  flex-shrink: 0;
}
.admin-draft-badge.is-published {
  background: #27ae60;
}
.post-item.is-draft .post-title-link {
  opacity: 0.6;
}
@media (max-width: 768px) {
  .admin-draft-badge {
    order: 0;
    margin-left: 4px;
  }
}

/* 评论管理按钮 */
.admin-comment-actions {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
}
.admin-comment-btn {
  padding: 2px 8px;
  font-size: 11.5px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s ease;
}
.admin-comment-btn:hover {
  border-color: #e74c3c;
  color: #e74c3c;
  background: rgba(231,76,60,0.04);
}

/* ===== 文章详情页移动端适配 ===== */
@media (max-width: 640px) {
  .admin-article-bar {
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 12px;
  }
  .admin-article-bar .admin-bar-label {
    font-size: 12px;
    width: 100%;
    margin-right: 0;
    margin-bottom: 2px;
  }
  .admin-article-bar .admin-btn {
    padding: 4px 10px;
    font-size: 11px;
  }
  .article-header h1 {
    font-size: var(--text-2xl);
  }
  .article-body {
    font-size: var(--text-sm);
    line-height: 1.75;
  }
  .article-body h2 { font-size: var(--text-xl); }
  .article-body h3 { font-size: var(--text-base); }
  .article-body pre {
    font-size: 12px;
    padding: var(--space-3);
  }
  .article-body img {
    max-width: 100%;
    height: auto;
  }
  .post-nav {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ====== 站长评论标识 ====== */
.cw-admin-comment {
  position: relative;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary, #2d7a5f);
  background: rgba(45,122,95,0.03);
  border-radius: 0 8px 8px 0;
  padding: 8px 12px;
  margin-left: -12px;
}
.cw-admin-name {
  font-weight: 700;
  color: var(--color-primary, #2d7a5f);
}
.cw-admin-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: 4px;
  background: var(--color-primary, #2d7a5f);
  color: #fff;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1.6;
}
.cw-avatar-admin {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary, #2d7a5f);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(45,122,95,0.15);
}

/* 站长自定义头像（来自后台设置的 URL） */
.cw-avatar-admin-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(45,122,95,0.25);
  border: 2px solid var(--color-primary, #2d7a5f);
}

/* 管理员回复表单 */
.cw-form-admin-reply {
  background: rgba(45,122,95,0.04);
  border: 1px solid rgba(45,122,95,0.2);
  border-radius: 10px;
}
.cw-admin-reply-bar {
  background: var(--color-primary, #2d7a5f);
  color: #fff;
}
.cw-admin-reply-tag {
  font-weight: 600;
  font-size: 13px;
}
.cw-admin-reply-bar .cw-cancel-reply {
  color: rgba(255,255,255,0.8);
}
.cw-admin-submit-btn {
  background: var(--color-primary, #2d7a5f) !important;
}
.cw-admin-submit-btn:hover {
  filter: brightness(1.1);
}
.cw-admin-hint {
  color: var(--color-primary, #2d7a5f);
  opacity: 0.8;
}

/* 确认弹窗 */
.admin-confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.admin-confirm-overlay.visible { opacity: 1; }
.admin-confirm-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  transform: scale(0.94);
  transition: transform 0.2s ease;
}
.admin-confirm-overlay.visible .admin-confirm-box { transform: scale(1); }
.admin-confirm-msg {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.admin-confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.admin-confirm-cancel {
  padding: 7px 18px;
  font-size: 13px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}
.admin-confirm-cancel:hover { background: var(--bg-hover); }
.admin-confirm-ok {
  padding: 7px 18px;
  font-size: 13px;
  border: none;
  border-radius: 6px;
  background: #e74c3c;
  color: white;
  cursor: pointer;
  transition: all 0.15s ease;
}
.admin-confirm-ok:hover { background: #c0392b; }

/* Toast 提示 */
.admin-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 10px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text-primary);
  box-shadow: 0 8px 28px rgba(0,0,0,0.12);
  z-index: 10001;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.admin-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.admin-toast.is-success { border-left: 3px solid #27ae60; }
.admin-toast.is-error { border-left: 3px solid #e74c3c; }
.admin-toast.is-info { border-left: 3px solid var(--color-primary); }

/* 管理员角标 —— 导航栏底部 */
.admin-nav-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  margin-top: var(--space-3);
  font-size: 12px;
  color: var(--color-primary);
  background: var(--color-primary-a8, rgba(45,122,95,0.06));
  border-radius: 6px;
}
.admin-nav-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: adminPulse 2s ease-in-out infinite;
}
.resource-type-badge { color: var(--text-secondary); background: var(--bg-muted); border: 1px solid var(--border-color); }
.resource-feature-badge { color: var(--color-primary); background: var(--color-primary-light); border: 1px solid rgba(45,122,95,0.18); }

/* 首页社交链接 */
.hero-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.social-link-item {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-muted);
  border-radius: 20px;
  text-decoration: none;
  transition: all var(--transition);
}
.social-link-item:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* 关于页社交链接 */
.about-socials p { margin-bottom: var(--space-2); }

/* 资源操作按钮 */
.resource-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
  align-items: center;
}
.res-btn {
  font-size: var(--text-xs);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-block;
  line-height: 1.5;
}
.res-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.res-btn-preview { color: var(--color-primary); border-color: var(--color-primary); }
.res-btn-preview:hover { background: var(--color-primary-light); }
.res-btn-download:hover { background: var(--bg-muted); }
.res-btn-nopreview { color: var(--text-tertiary); border-color: var(--border-light); cursor: not-allowed; font-size: 11px; }

/* ===== 文件页面移动端适配 ===== */
@media (max-width: 768px) {
  .resource-library-panel {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 16px;
  }
  .resource-search-wrap {
    position: relative;
    width: 100%;
    flex: 0 0 auto; /* 覆盖 flex: 1 1 280px，避免在 column 方向被拉高 */
    min-width: 0;
  }
  .resource-search-wrap i.bi {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    color: var(--text-tertiary);
    z-index: 1;
  }
  .resource-search {
    width: 100%;
    padding: 10px 12px 10px 40px;
    font-size: 16px;
    line-height: 1.5;
  }
  .resource-type-select {
    width: 100%;
    padding: 10px 12px;
    font-size: 16px;
    min-width: 0;
  }
  .resource-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }
  .resource-stat-item {
    flex: 1 1 calc(33.333% - 6px);
    min-width: 80px;
    padding: 12px;
    text-align: center;
  }
  .resource-stat-num {
    font-size: 1.25rem;
  }
  .resource-stat-label {
    font-size: 12px;
  }
  .resource-item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
  }
  .resource-info {
    flex: 1 1 100%;
    min-width: 0;
  }
  .resource-name {
    font-size: var(--text-sm);
    flex-wrap: wrap;
    gap: 4px;
    word-break: break-all;
  }
  .resource-desc {
    font-size: 11px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 4px;
  }
  .resource-meta {
    font-size: 10px;
    white-space: normal;
    text-align: left;
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .resource-actions {
    width: 100%;
    justify-content: flex-start;
    margin-top: 8px;
    gap: 8px;
    flex-wrap: wrap;
  }
  .res-btn {
    padding: 6px 12px;
    font-size: 12px;
    white-space: nowrap;
  }
  .resource-ext-badge,
  .resource-type-badge,
  .resource-feature-badge {
    font-size: 10px;
    padding: 2px 6px;
    white-space: nowrap;
  }
  /* 文件搜索/筛选栏 */
  .blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
  }
  .blog-filter {
    font-size: 13px;
    padding: 6px 12px;
    white-space: nowrap;
  }
}

/* ==========================================================================
   文件预览弹窗
   ========================================================================== */
.preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.preview-modal {
  width: 90%;
  max-width: 900px;
  height: 85vh;
  background: var(--bg-surface);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: slideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.preview-title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: calc(100% - 60px);
}
.preview-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0 var(--space-1);
  line-height: 1;
  transition: color 0.15s;
}
.preview-close:hover { color: var(--text-primary); }

.preview-body {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  background: var(--bg-muted);
}
.preview-loading {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

/* 图片预览 */
.preview-img-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  transition: opacity 0.3s;
}
.preview-img-wrap.loaded { opacity: 1; }
.preview-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* PDF / iframe 预览 */
.preview-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* 视频预览 */
.preview-video-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.preview-video {
  max-width: 100%;
  max-height: 100%;
  border-radius: 4px;
}

/* 音频预览 */
.preview-audio-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-4);
}
.preview-audio-icon { width: 48px !important; height: 48px; }
.preview-audio-icon svg { width: 48px; height: 48px; }
.preview-audio-name { font-weight: 500; color: var(--text-secondary); font-size: var(--text-sm); }
.preview-audio { margin-top: var(--space-2); }

/* 文本/代码预览 */
.preview-code {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: var(--space-4);
  background: var(--bg-code);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  text-align: left;
  display: block;
}

/* 不支持的格式 */
.preview-unsupported {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-tertiary);
}
.preview-unsupported-hint { font-size: var(--text-sm); margin-top: var(--space-2); }

.preview-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
}
.preview-download-btn {
  font-size: var(--text-sm);
  padding: 6px 18px;
  border-radius: 4px;
  background: var(--color-primary);
  color: white !important;
  text-decoration: none;
  transition: background 0.15s;
}
.preview-download-btn:hover { background: var(--color-primary-hover); }

/* 统计面板移动端 */
@media (max-width: 768px) {
  .resource-stats { gap: var(--space-2); }
  .resource-stat-item { min-width: 0; flex-basis: calc((100% - var(--space-4)) / 3); padding: var(--space-2); }
  .resource-stat-num { font-size: var(--text-lg); }
}
@media (max-width: 480px) {
  .resource-meta { font-size: 10px; }
  .resource-ext-badge { font-size: 9px; padding: 1px 4px; }
}

/* ==========================================================================
   关于页
   ========================================================================== */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); margin: var(--space-6) 0; }
@media (max-width: 640px) { .skills-grid { grid-template-columns: 1fr; } }
.skill-group h4 { margin-bottom: var(--space-3); }
.skill-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.skill-tag {
  font-size: var(--text-xs);
  padding: 2px 8px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-secondary);
}

/* ==========================================================================
   管理后台 / 登录页
   ========================================================================== */
.auth-page { display: grid; place-items: center; min-height: 100vh; padding: var(--space-6); }
.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: var(--space-8);
}
.auth-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  text-align: center;
}
.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: var(--space-6);
}
.form-group { margin-bottom: var(--space-4); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--text-base);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--bg-base);
  color: var(--text-primary);
  transition: border-color var(--transition);
}
.form-input:focus { border-color: var(--color-primary); outline: none; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  color: var(--text-primary);
  background: var(--bg-surface);
  transition: all var(--transition);
}
.btn:hover { border-color: var(--text-primary); }
.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  width: 100%;
  justify-content: center;
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-danger {
  color: #c53030;
  border-color: transparent;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
}
.btn-danger:hover { color: #9b2c2c; }
.auth-error {
  color: #c53030;
  font-size: var(--text-sm);
  text-align: center;
  margin-bottom: var(--space-4);
  display: none;
}
.auth-footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
}

/* 管理后台 */
.admin-page { max-width: 800px; }
.upload-zone {
  border: 2px dashed var(--border-strong);
  border-radius: 6px;
  padding: var(--space-10);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  margin-bottom: var(--space-6);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.upload-zone .pixel-icon { width: 32px; height: 32px; margin: 0 auto var(--space-3); }
.admin-resource-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   工具类
   ========================================================================== */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.text-center { text-align: center; }
.hidden { display: none; }

/* ==========================================================================
   评论组件 (Comment Widget) — 精致卡片风
   ========================================================================== */
.cw-section { display: block; margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--border-color); }
.cw-title { font-family: var(--font-serif); font-size: var(--text-xl); font-weight: 600; margin-bottom: var(--space-5); display: flex; align-items: center; gap: var(--space-2); }
.cw-title-icon { font-size: var(--text-lg); }
.cw-count { color: var(--text-tertiary); font-size: var(--text-sm); font-weight: 400; }

/* 表单 */
.cw-form { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 12px; padding: var(--space-5); margin-bottom: var(--space-6); position: relative; overflow: hidden; }
.cw-form::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover, #3a9d7a), var(--color-primary)); opacity: 0.6; }
.cw-form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-3); margin-bottom: var(--space-3); }
.cw-input { width: 100%; padding: 10px 14px; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: var(--text-sm); font-family: inherit; transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s; }
.cw-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(45,122,95,0.12), 0 0 20px rgba(45,122,95,0.06); transform: translateY(-1px); }
.cw-textarea { resize: vertical; min-height: 80px; }
.cw-honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.cw-form-notice, .cw-widget-notice, .cw-pixel-notice {
  display: none;
  margin-top: var(--space-3);
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid rgba(180,83,9,0.22);
  background: linear-gradient(135deg, rgba(180,83,9,0.08), rgba(45,122,95,0.04));
  color: #9a4f05;
  font-size: var(--text-xs);
  line-height: 1.55;
}
.cw-form-notice.is-visible, .cw-widget-notice.is-visible, .cw-pixel-notice.is-visible { display: block; animation: cwNoticeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) both; }
.cw-widget-notice { margin: 0 0 var(--space-4); }
.cw-pixel-notice { margin: 0 0 var(--space-3); }
.cw-form-notice.is-success, .cw-widget-notice.is-success {
  border-color: rgba(45,122,95,0.25);
  background: rgba(45,122,95,0.08);
  color: var(--color-primary);
}
.cw-field-error { border-color: rgba(180,83,9,0.75) !important; box-shadow: 0 0 0 3px rgba(180,83,9,0.12) !important; }
.cw-form-shake { animation: cwFormNudge 0.32s cubic-bezier(0.34, 1.56, 0.64, 1); }
.cw-form-actions { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-3); }
.cw-hint { font-size: var(--text-xs); color: var(--text-tertiary); }
.cw-submit-btn { padding: 10px 28px; background: linear-gradient(135deg, var(--color-primary), #3a9d7a); color: #fff; border: none; border-radius: 8px; font-size: var(--text-sm); font-weight: 500; cursor: pointer; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 2px 8px rgba(45,122,95,0.25); }
.cw-submit-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(45,122,95,0.35); }
.cw-submit-btn:active { transform: translateY(0); box-shadow: 0 1px 4px rgba(45,122,95,0.2); }
.cw-submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* 内联回复表单 */
.cw-form-reply { margin-top: var(--space-3); margin-bottom: var(--space-3); padding: var(--space-4); background: var(--bg-muted); border-radius: 10px; border: 1px dashed rgba(45,122,95,0.2); box-sizing: border-box; }
.cw-form-reply::before { display: none; }
.cw-form-reply-bar { display: flex; align-items: center; justify-content: space-between; font-size: var(--text-xs); color: var(--color-primary); margin-bottom: var(--space-2); font-weight: 500; }
.cw-form-quote { margin-bottom: var(--space-3); padding: 8px 10px; border-left: 3px solid rgba(45,122,95,0.35); background: rgba(45,122,95,0.06); border-radius: 0 8px 8px 0; color: var(--text-tertiary); font-size: var(--text-xs); line-height: 1.6; }
.cw-cancel-reply { background: none; border: none; color: var(--text-tertiary); font-size: 18px; cursor: pointer; line-height: 1; transition: color 0.2s, transform 0.2s; }
.cw-cancel-reply:hover { color: var(--color-primary); transform: rotate(90deg); }

/* 登录用户表单 */
.cw-form-user-info { display: flex; align-items: center; gap: 8px; margin-bottom: var(--space-3); padding: 10px 14px; background: var(--bg-muted); border-radius: 10px; }
.cw-form-user-name { font-weight: 600; font-size: var(--text-sm); color: var(--text-primary); }
.cw-form-user-role { font-size: 11px; padding: 2px 10px; border-radius: 999px; background: rgba(45,122,95,0.1); color: var(--color-primary); font-weight: 600; }

/* 评论工具栏 */
.cw-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); padding: var(--space-3); background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 12px; }
.cw-filter-group { display: flex; gap: 6px; flex-wrap: wrap; }
.cw-filter-btn { padding: 6px 12px; border: 1px solid var(--border-color); border-radius: 999px; background: transparent; color: var(--text-tertiary); font-size: var(--text-xs); cursor: pointer; transition: all 0.2s ease; }
.cw-filter-btn:hover, .cw-filter-btn.active { border-color: var(--color-primary); color: var(--color-primary); background: rgba(45,122,95,0.08); }
.cw-sort-select { min-height: 44px; padding: 7px 12px; border: 1px solid var(--border-color); border-radius: 999px; background: var(--bg-primary); color: var(--text-secondary); font-size: var(--text-xs); outline: none; }
.cw-toolbar-count { font-size: var(--text-xs); color: var(--text-tertiary); white-space: nowrap; }

/* 评论列表 */
.cw-list { display: flex; flex-direction: column; gap: var(--space-4); align-items: stretch; }
.cw-thread { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4); background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 12px; transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease; width: 100%; box-sizing: border-box; animation: cwCommentEnter 0.42s cubic-bezier(0.16, 1, 0.3, 1) both; }
.cw-thread:hover { border-color: rgba(45,122,95,0.3); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.cw-comment-row { display: flex !important; flex-direction: row !important; align-items: flex-start !important; gap: var(--space-3); width: 100%; max-width: 100%; box-sizing: border-box; }
/* 强制头像/正文两列，防止文章页或旧样式把评论行压成单列 */
.cw-comment-row > .cw-avatar { flex: 0 0 44px; width: 44px; max-width: 44px; }
.cw-comment-row > .cw-body { flex: 1 1 auto !important; min-width: 0 !important; width: auto !important; }
/* 兼容旧 DOM */
.cw-comment { display: flex !important; flex-direction: row !important; align-items: flex-start !important; gap: var(--space-3); width: 100%; max-width: 100%; box-sizing: border-box; }
.cw-comment > .cw-avatar { flex: 0 0 44px; width: 44px; max-width: 44px; }
.cw-comment > .cw-body { flex: 1 1 auto !important; min-width: 0 !important; width: auto !important; }

/* 头像 */
.cw-avatar { flex-shrink: 0; }
.cw-avatar-img { width: 44px; height: 44px; border-radius: 50%; border: 2px solid transparent; background-image: linear-gradient(var(--bg-surface), var(--bg-surface)), linear-gradient(135deg, var(--color-primary), #3a9d7a, #2d7a5f); background-origin: border-box; background-clip: padding-box, border-box; transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.cw-thread:hover .cw-avatar-img, .cw-comment:hover .cw-avatar-img { transform: scale(1.08); }
.cw-avatar-placeholder { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--color-primary), #3a9d7a); color: #fff; display: flex; align-items: center; justify-content: center; font-size: var(--text-lg); font-weight: 600; box-shadow: 0 2px 8px rgba(45,122,95,0.2); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.cw-thread:hover .cw-avatar-placeholder, .cw-comment:hover .cw-avatar-placeholder { transform: scale(1.08); }

/* 评论内容区 */
.cw-body { min-width: 0; display: block; width: 100%; }
.cw-header { display: flex; align-items: center; gap: var(--space-2); margin-bottom: 6px; flex-wrap: wrap; }
.cw-name { font-weight: 600; color: var(--text-primary); font-size: var(--text-sm); transition: color 0.2s; }
.cw-name:hover { color: var(--color-primary); }
.cw-reply-tag { font-size: var(--text-xs); color: var(--color-primary); background: rgba(45,122,95,0.1); padding: 2px 8px; border-radius: 4px; font-weight: 500; }
.cw-pending-badge { font-size: var(--text-xs); color: #b45309; background: rgba(180,83,9,0.1); padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.cw-env-info { font-size: var(--text-xs); color: var(--text-tertiary); opacity: 0.6; }
.cw-time { font-size: var(--text-xs); color: var(--text-tertiary); margin-left: auto; }
.cw-quote { margin: 6px 0 8px; padding: 7px 10px; background: rgba(45,122,95,0.06); border-left: 3px solid rgba(45,122,95,0.3); border-radius: 0 8px 8px 0; color: var(--text-tertiary); font-size: var(--text-xs); line-height: 1.6; }
.cw-content { font-size: var(--text-sm); line-height: 1.7; color: var(--text-secondary); word-break: break-word; }
.cw-content.is-folded { max-height: 5.2em; overflow: hidden; position: relative; }
.cw-content.is-folded::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2em; background: linear-gradient(to bottom, transparent, var(--bg-surface)); pointer-events: none; }
.cw-reply-item .cw-content.is-folded::after { background: linear-gradient(to bottom, transparent, var(--bg-muted)); }
.cw-content a { color: var(--color-primary); text-decoration: underline; }
.cw-comment-actions { display: flex; gap: 8px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.cw-reply-btn, .cw-like-btn, .cw-more-btn { background: none; border: 1px solid var(--border-color); color: var(--text-tertiary); font-size: var(--text-xs); cursor: pointer; padding: 4px 12px; border-radius: 6px; transition: all 0.2s ease; }
.cw-like-btn { display: inline-flex; align-items: center; gap: 5px; min-width: 48px; justify-content: center; }
.cw-like-heart { font-size: 14px; line-height: 1; transform-origin: center; transition: transform 0.2s ease, color 0.2s ease; }
.cw-like-count { font-variant-numeric: tabular-nums; }
.cw-reply-btn:hover, .cw-like-btn:hover, .cw-more-btn:hover { color: var(--color-primary); border-color: var(--color-primary); background: rgba(45,122,95,0.05); transform: translateY(-1px); }
.cw-like-btn:hover .cw-like-heart { transform: scale(1.14); }
.cw-like-btn.liked { color: var(--color-primary); border-color: rgba(45,122,95,0.35); background: rgba(45,122,95,0.08); }
.cw-like-btn.liked .cw-like-heart { transform: scale(1.08); }
.cw-like-btn:disabled, .cw-reply-btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

/* 回复列表 - 扁平线程布局，避免多层卡片横向套娃 */
.cw-replies { width: 100%; margin-top: var(--space-2); padding-top: var(--space-3); border-top: 1px dashed rgba(45,122,95,0.2); display: flex; flex-direction: column; align-items: stretch; gap: var(--space-2); box-sizing: border-box; }
.cw-reply-item { background: var(--bg-muted); border: 1px solid rgba(45,122,95,0.08); border-radius: 10px; padding: var(--space-3); }
.cw-pending-item { border-style: dashed; background: linear-gradient(135deg, rgba(180,83,9,0.06), rgba(45,122,95,0.04)); animation: cwPendingEnter 0.46s cubic-bezier(0.16, 1, 0.3, 1) both; }
.cw-reply-item > .cw-avatar { flex-basis: 34px; width: 34px; max-width: 34px; }
.cw-reply-item:hover { border-color: rgba(45,122,95,0.15); }
.cw-reply-item .cw-avatar-img, .cw-reply-item .cw-avatar-placeholder { width: 34px; height: 34px; }
.cw-reply-item .cw-avatar-placeholder { font-size: var(--text-sm); }
.cw-reply-item .cw-avatar-pixel { width: 34px; height: 34px; padding: 3px; }
/* 回复层级缩进：渐进式，但用响应式 clamp 防止小屏出界 */
.cw-depth-2 { margin-left: var(--space-3); }
.cw-depth-3 { margin-left: var(--space-4); }
.cw-depth-4, .cw-depth-5, .cw-depth-6 { margin-left: var(--space-4); }
/* 兼容旧 DOM */
.cw-reply { background: var(--bg-muted); border-color: transparent; padding: var(--space-3); }
.cw-reply .cw-replies { margin-left: 0; padding-left: 0; }
.cw-comment > .cw-replies, .cw-comment > .cw-form-reply { grid-column: 2; min-width: 0; }

/* 状态 */
.cw-empty { text-align: center; color: var(--text-tertiary); padding: var(--space-8); font-size: var(--text-sm); background: var(--bg-surface); border-radius: 12px; border: 1px dashed var(--border-color); }
.cw-loading { color: var(--text-tertiary); text-align: center; padding: var(--space-6); }
.cw-error { color: #c0392b; text-align: center; padding: var(--space-6); }

/* 表单变身成功动画 */
.cw-form-success {
  background: linear-gradient(135deg, rgba(45,122,95,0.06), rgba(45,122,95,0.12)) !important;
  border-color: rgba(45,122,95,0.3) !important;
  animation: cwSuccessEnter 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.cw-form-success::before { background: linear-gradient(90deg, #2d7a5f, #3a9d7a, #2d7a5f) !important; opacity: 1 !important; }
.cw-form-restoring { animation: cwSuccessLeave 0.4s cubic-bezier(0.55, 0, 1, 0.45) forwards; }

.cw-success-content {
  text-align: center;
  padding: var(--space-4) 0;
  animation: cwSuccessFadeIn 0.4s ease 0.1s both;
}
.cw-success-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #3a9d7a);
  margin-bottom: var(--space-3);
  box-shadow: 0 4px 20px rgba(45,122,95,0.3);
  animation: cwSuccessPop 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}
.cw-success-icon {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  animation: cwSuccessCheck 0.4s ease 0.4s both;
}
.cw-success-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.cw-success-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}
.cw-success-timer {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}
.cw-timer-count {
  display: inline-block;
  font-weight: 600;
  color: var(--color-primary);
  min-width: 14px;
  text-align: center;
}

@keyframes cwSuccessEnter { from { transform: scale(0.95); opacity: 0.5; } to { transform: scale(1); opacity: 1; } }
@keyframes cwSuccessLeave { from { opacity: 1; transform: scale(1); } to { opacity: 0; transform: scale(0.95); } }
@keyframes cwSuccessFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cwSuccessPop { from { transform: scale(0); } 50% { transform: scale(1.15); } to { transform: scale(1); } }
@keyframes cwSuccessCheck { from { opacity: 0; transform: scale(0.5) rotate(-10deg); } to { opacity: 1; transform: scale(1) rotate(0); } }
@keyframes cwCommentEnter { from { opacity: 0; transform: translateY(14px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes cwPendingEnter { 0% { opacity: 0; transform: translateY(16px) scale(0.96); } 65% { opacity: 1; transform: translateY(-2px) scale(1.01); } 100% { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes cwNoticeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@keyframes cwFormNudge { 0%, 100% { transform: translateX(0); } 35% { transform: translateX(-3px); } 70% { transform: translateX(3px); } }

/* 像素头像 */
.cw-avatar-pixel, .cw-avatar-pixel-img { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; background: var(--bg-muted); display: flex; align-items: center; justify-content: center; padding: 4px; border: 2px solid transparent; background-image: linear-gradient(var(--bg-muted), var(--bg-muted)), linear-gradient(135deg, var(--color-primary), #3a9d7a); background-origin: border-box; background-clip: padding-box, border-box; transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); object-fit: contain; }
.cw-avatar-pixel svg { width: 100%; height: 100%; }
.cw-thread:hover .cw-avatar-pixel, .cw-comment:hover .cw-avatar-pixel, .cw-thread:hover .cw-avatar-pixel-img, .cw-comment:hover .cw-avatar-pixel-img { transform: scale(1.08); }
.cw-reply .cw-avatar-pixel, .cw-reply .cw-avatar-pixel-img, .cw-reply-item .cw-avatar-pixel-img { width: 34px; height: 34px; padding: 3px; }

/* 头像选择器 */
.cw-avatar-picker { margin-bottom: var(--space-4); }
.cw-avatar-picker-label { font-size: var(--text-xs); color: var(--text-tertiary); margin-bottom: var(--space-2); font-weight: 500; }
.cw-avatar-options { display: flex; gap: 8px; flex-wrap: wrap; }
.cw-avatar-option { width: 44px; height: 44px; border-radius: 10px; background: var(--bg-muted); border: 2px solid var(--border-color); display: flex; align-items: center; justify-content: center; padding: 6px; cursor: pointer; transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
.cw-avatar-option:hover { border-color: var(--color-primary); transform: scale(1.1); background: var(--bg-surface); }
.cw-avatar-option.active { border-color: var(--color-primary); background: rgba(45,122,95,0.1); box-shadow: 0 0 0 2px rgba(45,122,95,0.2); transform: scale(1.1); }
.cw-avatar-option svg { width: 100%; height: 100%; }

/* 画板按钮 */
.cw-draw-btn { background: none; border: 1px solid var(--border-color); color: var(--color-primary); font-size: var(--text-xs); padding: 2px 8px; border-radius: 4px; cursor: pointer; margin-left: var(--space-2); transition: all 0.2s; }
.cw-draw-btn:hover { background: rgba(45,122,95,0.1); border-color: var(--color-primary); }

/* 像素画板 */
.cw-pixel-editor { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: 12px; padding: var(--space-4); margin-top: var(--space-3); animation: cwSlideIn 0.3s ease; }
.cw-pixel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-3); }
.cw-pixel-title { font-weight: 600; font-size: var(--text-sm); }
.cw-pixel-close { background: none; border: none; font-size: 20px; color: var(--text-tertiary); cursor: pointer; transition: color 0.2s; }
.cw-pixel-close:hover { color: var(--color-primary); }

.cw-pixel-preview-area { display: flex; justify-content: center; margin-bottom: var(--space-3); }
.cw-pixel-preview { width: 64px; height: 64px; background: var(--bg-muted); border: 2px solid var(--border-color); border-radius: 8px; overflow: hidden; }
.cw-pixel-preview svg { width: 100%; height: 100%; }

.cw-pixel-canvas { display: grid; grid-template-columns: repeat(10, 1fr); gap: 1px; background: var(--border-color); border: 1px solid var(--border-color); border-radius: 6px; overflow: hidden; margin-bottom: var(--space-3); aspect-ratio: 1; max-width: 300px; margin-left: auto; margin-right: auto; }
.cw-pixel-cell { background: var(--bg-surface); cursor: crosshair; transition: background 0.05s; }
.cw-pixel-cell:hover { opacity: 0.8; }

.cw-pixel-tools { display: flex; flex-direction: column; gap: var(--space-3); }
.cw-palette { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; }
.cw-palette-color { width: 24px; height: 24px; border-radius: 4px; cursor: pointer; border: 2px solid transparent; transition: all 0.2s; }
.cw-palette-color:hover { transform: scale(1.15); }
.cw-palette-color.active { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(45,122,95,0.3); transform: scale(1.15); }

.cw-pixel-actions { display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; }
.cw-pixel-btn { padding: 6px 14px; border: 1px solid var(--border-color); background: var(--bg-surface); color: var(--text-primary); border-radius: 6px; font-size: var(--text-xs); cursor: pointer; transition: all 0.2s; }
.cw-pixel-btn:hover { border-color: var(--color-primary); }
.cw-pixel-btn.active { background: rgba(45,122,95,0.1); border-color: var(--color-primary); color: var(--color-primary); }
.cw-pixel-btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.cw-pixel-btn-primary:hover { opacity: 0.9; }

/* 移动端 */
@media (max-width: 768px) {
  .cw-form-row { grid-template-columns: 1fr; }
  .cw-toolbar { align-items: stretch; flex-direction: column; }
  .cw-sort-select { width: 100%; }
  .cw-replies { margin-left: 0; padding-left: 0; }
  .cw-depth-2, .cw-depth-3, .cw-depth-4, .cw-depth-5, .cw-depth-6 { margin-left: var(--space-2); }
  .cw-time { margin-left: 0; }
  .cw-comment { padding: var(--space-3); }
  .cw-form { padding: var(--space-4); }
  .cw-avatar-option { width: 40px; height: 40px; }
  .cw-pixel-canvas { max-width: 250px; }
}

@media (prefers-reduced-motion: reduce) {
  .cw-form-success,
  .cw-form-restoring,
  .cw-success-content,
  .cw-success-icon-wrap,
  .cw-success-icon,
  .cw-thread,
  .cw-pending-item {
    animation: none !important;
  }
}