/* ==========================================
   自定义样式：全屏动态背景 + 响应式 + 美化
   部署后可直接改这个文件，无需重新生成主题
   ========================================== */

:root {
  --bg-mask-light: rgba(255, 255, 255, .55);
  --bg-mask-dark: rgba(18, 18, 26, .62);
  --radius-card: 16px;
}

/* ---------- 全屏动态背景 ---------- */
#web_bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background: linear-gradient(160deg, #e8e6ff 0%, #f6f2ff 45%, #eaf6ff 100%);
}

[data-theme="dark"] #web_bg {
  background: linear-gradient(160deg, #1b1a2e 0%, #232140 50%, #191827 100%);
}

.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: -2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.bg-video.is-ready {
  opacity: 1;
}

.bg-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

/* 动漫随机背景层：图片铺满，淡入显示；由 custom.js 从网上随机拉一张 */
.bg-anime {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.bg-anime.is-ready {
  opacity: 1;
}

/* 动漫图偏亮时再压一层深色，确保浅色/深色下文字都清楚 */
[data-theme="light"] #web_bg.has-anime::after {
  background: var(--bg-mask-light);
}

[data-theme="dark"] #web_bg.has-anime::after {
  background: var(--bg-mask-dark);
}

/* 遮罩层：保证文字在任何画面上都读得清 */
#web_bg::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--bg-mask-light);
  pointer-events: none;
}

[data-theme="dark"] #web_bg::after {
  background: var(--bg-mask-dark);
}

/* 视频/粒子加载失败时的兜底：柔和光斑 */
#web_bg.is-fallback {
  background:
    radial-gradient(1000px 600px at 15% 10%, #d9d3ff 0%, transparent 60%),
    radial-gradient(800px 500px at 85% 20%, #cfe8ff 0%, transparent 60%),
    linear-gradient(160deg, #f2efff 0%, #eef7ff 100%);
}

[data-theme="dark"] #web_bg.is-fallback {
  background:
    radial-gradient(1000px 600px at 15% 10%, #2f2a52 0%, transparent 60%),
    radial-gradient(800px 500px at 85% 20%, #243b55 0%, transparent 60%),
    linear-gradient(160deg, #1b1a2e 0%, #191827 100%);
}

/* ---------- 首页 banner 文字可读性 ---------- */
#page-header,
.home-top-group,
#home_top {
  position: relative;
}

#page-header::before,
#home_top::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, .12), rgba(0, 0, 0, .38));
  border-radius: inherit;
  pointer-events: none;
}

#page-header #site-title,
#page-header .site-title {
  text-shadow: 0 2px 12px rgba(0, 0, 0, .45);
}

/* 打字机光标更明显 */
#subtitle,
.subtitle {
  text-shadow: 0 1px 8px rgba(0, 0, 0, .35);
}

/* ---------- 卡片与排版美化 ---------- */
#recent-posts > .recent-post-item,
.card-widget,
.post-block,
.author-content-item {
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}

#recent-posts > .recent-post-item:hover {
  transform: translateY(-4px);
}

.post img,
#article-container img {
  border-radius: 12px;
  max-width: 100%;
  height: auto;
}

/* 代码块 */
#article-container figure.highlight,
#article-container pre {
  border-radius: 12px;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: rgba(138, 127, 251, .45);
  border-radius: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

/* 长表格在窄屏可横向滑动 */
#article-container table {
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

@media (min-width: 769px) {
  #article-container table {
    display: table;
    white-space: normal;
  }
}

/* ---------- 平板 ---------- */
@media (max-width: 1024px) {
  #sidebar,
  #aside-content {
    display: none;
  }

  .layout > div:first-child {
    width: 100% !important;
  }
}

/* ---------- 手机 ---------- */
@media (max-width: 768px) {
  .bg-video {
    display: none;      /* 手机默认不加载视频，省流量省电 */
  }

  #page-header,
  #home_top {
    min-height: 42vh;
  }

  #site-title,
  #page-header .site-title {
    font-size: 1.6rem;
  }

  #subtitle {
    font-size: .95rem;
  }

  #recent-posts > .recent-post-item {
    margin-bottom: 12px;
    border-radius: 12px;
  }

  .recent-post-item .post_cover {
    width: 100%;
    height: 180px;
  }

  #article-container {
    font-size: 15px;
    line-height: 1.85;
  }

  #article-container h1 { font-size: 1.5rem; }
  #article-container h2 { font-size: 1.3rem; }
  #article-container h3 { font-size: 1.15rem; }

  /* 手机上关掉重特效，保帧率 */
  #article-container img,
  .card-widget {
    transition: none !important;
  }

  #recent-posts > .recent-post-item:hover {
    transform: none;
  }
}

/* ---------- 随便逛逛入口：纸飞机/骰子/指南针小图标换成动漫人物 ----------
   把首页 banner 中央 #random-hover 里的纸飞机、#randomPost_button 右上角骰子、
   导航子菜单的指南针统一替换成人物圆头像。
   想换别的动漫人物，把 url 换成 /img/ 下的其它图片即可。 */

/* banner 中央：纸飞机 -> 圆形人物头像（保持原 80px 字号位置，居中显示）
   主题默认 #random-hover opacity:0（只在 hover 时显示），改成半透明常驻 + peoplecanvas 同步降级避免冲突 */
#random-hover {
  opacity: 0.4 !important;
  transition: opacity .35s ease !important;
}
/* 鼠标 hover banner 时让"随便逛逛"完全显示 */
#random-banner:hover #random-hover {
  opacity: 1 !important;
}
/* peoplecanvas 作为底层：让它绝对铺满但 z-index 较低，避免遮挡 #random-hover */
#random-banner > #peoplecanvas {
  position: absolute !important;
  inset: 0 !important;
  z-index: 1 !important;
  width: 100% !important;
  height: 100% !important;
  pointer-events: none;
}
/* "随便逛逛" 上浮到 peoplecanvas 之上 */
#random-banner > #random-hover {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: 10 !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  padding-left: 0 !important;
  text-align: center !important;
  gap: 12px;
}
#random-hover > i.anzhiyu-icon-paper-plane {
  font-size: 0 !important;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: url('/img/avatar_yae.png') center / cover no-repeat no-repeat;
  background-size: cover;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .55), 0 4px 12px rgba(0, 0, 0, .25);
  transition: transform .4s ease;
  margin: 0 auto !important;
  line-height: 1 !important;
}
#random-hover:hover > i.anzhiyu-icon-paper-plane {
  transform: rotate(-12deg) scale(1.08);
}
/* bannerText 里的右箭头同样替换为人物头像小圆 */
#random-hover .bannerText > i.anzhiyu-icon-arrow-right {
  font-size: 0 !important;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: url('/img/avatar_yae.png') center / cover no-repeat no-repeat;
  background-size: cover;
  display: inline-block;
  vertical-align: middle;
  margin-left: 4px;
}

/* 右上角随机按钮：骰子 -> 圆形人物头像 */
#randomPost_button a i.anzhiyu-icon-dice,
#randomPost_button a i.anzhiyu-icon-paper-plane {
  font-size: 0 !important;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: url('/img/avatar_yae.png') center / cover no-repeat no-repeat;
  background-size: cover;
  vertical-align: middle;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .55);
  transition: transform .3s ease;
}

#randomPost_button a:hover i.anzhiyu-icon-dice,
#randomPost_button a:hover i.anzhiyu-icon-paper-plane {
  transform: rotate(12deg) scale(1.08);
}

/* 顶部导航菜单子项里的"随便逛逛"：指南针 -> 圆形人物头像 */
#menus a[href="javascript:toRandomPost()"] > i {
  font-size: 0 !important;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: url('/img/avatar_yae.png') center / cover no-repeat no-repeat;
  background-size: cover;
  display: inline-block;
  vertical-align: middle;
  margin-right: 3px;
}

/* ---------- Sakana 立牌 ----------
   放左下角：安知鱼右下角有按钮组，放那边会打架
   想挪回右下角就把 left:0 改成 right:0，并把 transform-origin 改成 100% 100% */
.sakana-box {
  position: fixed;
  left: 0;
  bottom: 0;
  transform-origin: 0 100%;
  z-index: 99;
  opacity: .96;
  transition: opacity .3s ease;
}

.sakana-box:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .sakana-box {
    opacity: .9;
  }
}

/* 打印和"减少动效"时藏起来 */
@media print {
  .sakana-box {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sakana-box {
    display: none;
  }
}

/* ---------- 尊重系统的"减少动态效果"设置 ---------- */
@media (prefers-reduced-motion: reduce) {
  .bg-video,
  .bg-particles {
    display: none;
  }

  * {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}