/* Erphenheimer reading-first redesign */

:root {
  --pe-bg: #f4f7f5;
  --pe-bg-soft: #eef4f0;
  --pe-surface: rgba(255, 255, 255, 0.9);
  --pe-surface-solid: #ffffff;
  --pe-surface-muted: #f8faf8;
  --pe-border: rgba(74, 101, 88, 0.16);
  --pe-border-strong: rgba(74, 101, 88, 0.28);
  --pe-ink: #1f2d28;
  --pe-ink-soft: #50635a;
  --pe-muted: #75837c;
  --pe-accent: #4f7d66;
  --pe-accent-strong: #2f5645;
  --pe-accent-soft: rgba(79, 125, 102, 0.12);
  --pe-shadow: 0 18px 46px rgba(31, 45, 40, 0.08);
  --pe-shadow-hover: 0 24px 62px rgba(31, 45, 40, 0.13);
  --pe-radius: 8px;
  --pe-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --pe-nav-bg: rgba(250, 252, 250, 0.78);
  --pe-nav-text: #24342d;
  --pe-footer-bg: rgba(236, 242, 238, 0.92);
  --pe-player-bg: rgba(255, 255, 255, 0.88);
  --global-bg: var(--pe-bg);
  --font-color: var(--pe-ink);
  --text-highlight-color: var(--pe-ink);
  --card-bg: var(--pe-surface);
  --sidebar-bg: rgba(250, 252, 250, 0.9);
  --card-meta: var(--pe-muted);
  --btn-bg: var(--pe-accent);
  --btn-hover-bg: var(--pe-accent-strong);
  --btn-hover-color: var(--pe-accent-strong);
  --scrollbar-color: var(--pe-accent);
  --blockquote-color: #46574f;
  --blockquote-bg: rgba(79, 125, 102, 0.1);
}

[data-theme='dark']:root {
  --pe-bg: #111816;
  --pe-bg-soft: #16211d;
  --pe-surface: rgba(28, 38, 34, 0.88);
  --pe-surface-solid: #1b2622;
  --pe-surface-muted: #18231f;
  --pe-border: rgba(196, 216, 205, 0.14);
  --pe-border-strong: rgba(196, 216, 205, 0.22);
  --pe-ink: #edf4ef;
  --pe-ink-soft: #c5d2cb;
  --pe-muted: #9ca9a3;
  --pe-accent-soft: rgba(135, 180, 156, 0.18);
  --pe-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
  --pe-shadow-hover: 0 24px 62px rgba(0, 0, 0, 0.32);
  --blockquote-color: #d5e2db;
  --blockquote-bg: rgba(135, 180, 156, 0.16);
}

[data-blog-theme='magazine'] {
  --pe-bg: #f1eadf;
  --pe-bg-soft: #e8dece;
  --pe-surface: rgba(255, 252, 246, 0.92);
  --pe-surface-solid: #fffdf8;
  --pe-surface-muted: #f7f0e5;
  --pe-border: rgba(32, 38, 40, 0.16);
  --pe-border-strong: rgba(32, 38, 40, 0.34);
  --pe-ink: #202628;
  --pe-ink-soft: #4e514e;
  --pe-muted: #806b55;
  --pe-accent: #202628;
  --pe-accent-strong: #846143;
  --pe-accent-soft: rgba(32, 38, 40, 0.09);
  --pe-nav-bg: rgba(32, 38, 40, 0.92);
  --pe-nav-text: #fff8ed;
  --pe-footer-bg: rgba(32, 38, 40, 0.94);
  --pe-player-bg: rgba(255, 252, 246, 0.9);
}

[data-blog-theme='ubw'] {
  --pe-bg: #17110e;
  --pe-bg-soft: #211611;
  --pe-surface: rgba(37, 25, 20, 0.88);
  --pe-surface-solid: #241813;
  --pe-surface-muted: #2a1b15;
  --pe-border: rgba(255, 190, 119, 0.2);
  --pe-border-strong: rgba(255, 190, 119, 0.38);
  --pe-ink: #fff1de;
  --pe-ink-soft: #ead1b7;
  --pe-muted: #cba989;
  --pe-accent: #d9571c;
  --pe-accent-strong: #ffbf73;
  --pe-accent-soft: rgba(217, 87, 28, 0.2);
  --pe-nav-bg: rgba(56, 20, 14, 0.88);
  --pe-nav-text: #fff4e6;
  --pe-footer-bg: rgba(35, 18, 12, 0.94);
  --pe-player-bg: rgba(42, 26, 20, 0.88);
  --blockquote-color: #ffe2bd;
  --blockquote-bg: rgba(217, 87, 28, 0.16);
}

html {
  background: var(--pe-bg) !important;
  scroll-padding-top: 78px;
}

body {
  background:
    linear-gradient(180deg, var(--pe-bg) 0%, var(--pe-bg-soft) 100%) !important;
  color: var(--pe-ink);
  text-rendering: optimizeLegibility;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(255, 255, 255, 0.28) 42% 43%, transparent 43% 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 38%);
  opacity: 0.55;
}

[data-blog-theme='ubw'] body::before {
  background:
    linear-gradient(110deg, transparent 0 42%, rgba(255, 171, 92, 0.08) 42% 43%, transparent 43% 100%),
    linear-gradient(180deg, rgba(115, 37, 18, 0.38), transparent 45%);
  opacity: 1;
}

*::selection {
  background: var(--pe-accent);
  color: #fff;
}

a {
  color: var(--pe-accent);
}

a:hover {
  color: var(--pe-accent-strong);
}

/* Header and navigation */
#page-header {
  background-color: var(--pe-bg-soft) !important;
  overflow: hidden;
}

#page-header::before {
  background: transparent !important;
}

#page-header.full_page {
  height: 60vh !important;
  min-height: 420px;
  max-height: 620px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(232, 240, 235, 0.78)),
    linear-gradient(120deg, rgba(79, 125, 102, 0.12) 0 35%, transparent 35% 100%) !important;
  background-attachment: scroll !important;
  border-bottom: 1px solid var(--pe-border);
}

[data-blog-theme='magazine'] #page-header.full_page {
  background:
    linear-gradient(135deg, rgba(255, 250, 239, 0.95), rgba(232, 222, 206, 0.86)),
    repeating-linear-gradient(90deg, rgba(32, 38, 40, 0.05) 0 1px, transparent 1px 84px) !important;
}

[data-blog-theme='ubw'] #page-header.full_page {
  background:
    linear-gradient(180deg, rgba(30, 13, 9, 0.22), rgba(23, 17, 14, 0.72)),
    linear-gradient(135deg, #3a120c, #c95018 45%, #ffb65d 72%, #25100a) !important;
  border-color: rgba(255, 190, 119, 0.22);
}

#header-video {
  filter: saturate(0.92) contrast(0.94) brightness(0.82);
}

#page-header.pe-home-hero #header-video {
  z-index: 0;
}

#page-header.pe-home-hero #header-video + #nav,
#page-header.pe-home-hero #header-video ~ #site-info,
#page-header.pe-home-hero #header-video ~ #scroll-down {
  position: relative;
  z-index: 2;
}

#nav {
  height: 64px;
  padding: 0 36px;
  background: var(--pe-nav-bg) !important;
  border-bottom: 1px solid rgba(120, 140, 130, 0.14);
  box-shadow: none !important;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}

#nav a,
#nav span.site-page,
#nav .site-name {
  color: var(--pe-nav-text) !important;
  text-shadow: none !important;
}

#nav .site-name {
  font-weight: 800;
  letter-spacing: 0;
}

#nav .menus_items .menus_item a {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.26s var(--pe-ease);
}

#nav .menus_items .menus_item a::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--pe-ease);
}

#nav .menus_items .menus_item a:hover::after {
  transform: scaleX(1);
}

#page-header.full_page #site-info {
  top: 52% !important;
  left: 50%;
  width: min(760px, calc(100% - 40px)) !important;
  padding: 0 !important;
  text-align: left;
  transform: translate(-50%, -50%);
}

.site-kicker {
  margin-bottom: 14px;
  color: var(--pe-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#page-header #site-title {
  margin: 0;
  color: var(--pe-ink);
  font-family: Georgia, 'Times New Roman', 'PingFang SC', 'Microsoft YaHei', serif;
  font-size: clamp(34px, 5.4vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  text-align: left;
  text-shadow: none;
  text-wrap: pretty;
}

#page-header #site-subtitle {
  margin-top: 14px;
  color: var(--pe-ink-soft);
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.7;
  text-align: left;
  text-shadow: none;
}

[data-blog-theme='ubw'] #page-header #site-title,
[data-blog-theme='ubw'] #page-header #site-subtitle {
  color: #fff4e6;
  text-shadow: 0 3px 22px rgba(0, 0, 0, 0.44);
}

[data-blog-theme='ubw'] .site-kicker {
  color: #ffd49d;
}

.site-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.site-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.26s var(--pe-ease), background 0.26s, color 0.26s, border-color 0.26s;
}

.site-action.primary {
  background: var(--pe-accent);
  color: #fff;
}

.site-action.secondary {
  border: 1px solid var(--pe-border-strong);
  color: var(--pe-ink);
}

[data-blog-theme='ubw'] .site-action.secondary {
  color: #ffe7c4;
}

.site-action:hover {
  transform: translateY(-2px);
}

#scroll-down {
  bottom: 18px !important;
}

#scroll-down .scroll-down-effects {
  color: var(--pe-muted) !important;
  text-shadow: none !important;
}

[data-blog-theme='ubw'] #scroll-down .scroll-down-effects {
  color: #ffd49d !important;
}

/* Page and post headers */
#page-header.post-bg,
#page-header.not-home-page {
  height: 320px !important;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(229, 238, 232, 0.88)),
    linear-gradient(120deg, rgba(79, 125, 102, 0.14) 0 34%, transparent 34% 100%) !important;
  border-bottom: 1px solid var(--pe-border);
}

[data-blog-theme='magazine'] #page-header.post-bg,
[data-blog-theme='magazine'] #page-header.not-home-page {
  background:
    linear-gradient(135deg, rgba(255, 250, 239, 0.95), rgba(232, 222, 206, 0.86)),
    repeating-linear-gradient(90deg, rgba(32, 38, 40, 0.05) 0 1px, transparent 1px 84px) !important;
}

[data-blog-theme='ubw'] #page-header.post-bg,
[data-blog-theme='ubw'] #page-header.not-home-page {
  background:
    linear-gradient(135deg, #25100b, #8f2e12 54%, #2a110a) !important;
  border-color: rgba(255, 190, 119, 0.22);
}

#post-info {
  bottom: 42px !important;
}

#post-info > * {
  max-width: 1180px !important;
}

#post-info .post-title {
  color: var(--pe-ink);
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.22;
  text-shadow: none;
  text-wrap: pretty;
}

#post-info #post-meta {
  color: var(--pe-muted);
  font-size: 14px;
  text-shadow: none;
}

[data-blog-theme='ubw'] #post-info .post-title,
[data-blog-theme='ubw'] #post-info #post-meta,
[data-blog-theme='ubw'] #post-info a {
  color: #fff4e6;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.36);
}

/* Layout */
.layout {
  gap: 16px;
  max-width: 1220px;
  padding: 34px 18px;
}

.layout > div:first-child:not(.nc),
#recent-posts .recent-post-item,
#aside-content .card-widget,
#post,
#page,
#archive {
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius);
  background: var(--card-bg);
  box-shadow: var(--pe-shadow);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}

.layout > div:first-child:not(.nc),
#post,
#page,
#archive {
  padding: 46px 52px;
}

#aside-content {
  opacity: 0.92;
}

#aside-content .card-widget {
  padding: 22px;
}

#aside-content .item-headline {
  color: var(--pe-ink);
  font-size: 15px;
}

#aside-content .card-info .author-info-name {
  color: var(--pe-ink);
  font-size: 22px;
}

#aside-content .avatar-img img {
  border: 1px solid var(--pe-border);
  box-shadow: 0 12px 32px rgba(31, 45, 40, 0.08);
}

#card-info-btn,
.button--animated,
.btn {
  border-radius: 8px !important;
  background: var(--pe-accent) !important;
  color: #fff !important;
}

#card-info-btn:hover,
.button--animated:hover,
.btn:hover {
  background: var(--pe-accent-strong) !important;
}

/* Homepage post list */
#recent-posts {
  width: 100%;
}

#recent-posts .recent-post-item {
  display: flex;
  align-items: stretch;
  min-height: 196px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: transform 0.32s var(--pe-ease), box-shadow 0.32s var(--pe-ease), border-color 0.32s;
}

#recent-posts .recent-post-item:hover {
  border-color: var(--pe-border-strong);
  box-shadow: var(--pe-shadow-hover);
  transform: translateY(-3px);
}

#recent-posts .recent-post-item .post_cover {
  width: 34%;
  min-width: 230px;
  height: auto;
  border-right: 1px solid var(--pe-border);
}

#recent-posts .recent-post-item .post_cover a,
#recent-posts .recent-post-item .post_cover .post-bg,
#recent-posts .recent-post-item .post_cover img {
  display: block;
  width: 100%;
  height: 100%;
}

#recent-posts .recent-post-item .post-bg {
  object-fit: cover;
  filter: saturate(0.92) contrast(0.95);
  transition: transform 0.5s var(--pe-ease), filter 0.32s;
}

#recent-posts .recent-post-item:hover .post-bg {
  filter: saturate(1) contrast(1);
  transform: scale(1.035);
}

#recent-posts .recent-post-info {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 30px 34px 28px;
}

#recent-posts .recent-post-info.no-cover {
  width: 100%;
}

.post-list-index {
  margin-bottom: 12px;
  color: var(--pe-muted);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 13px;
  letter-spacing: 0.12em;
}

#recent-posts .article-title {
  color: var(--pe-ink);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  text-wrap: pretty;
}

#recent-posts .article-title:hover {
  color: var(--pe-accent);
}

#recent-posts .article-meta-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 10px 0 12px;
  color: var(--pe-muted);
  font-size: 13px;
}

#recent-posts .article-meta-wrap a {
  color: var(--pe-muted);
}

#recent-posts .article-meta-wrap a:hover {
  color: var(--pe-accent);
}

#recent-posts .content {
  display: -webkit-box;
  overflow: hidden;
  color: var(--pe-ink-soft);
  font-size: 14px;
  line-height: 1.85;
  word-break: break-word;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  margin-top: 16px;
  color: var(--pe-accent);
  font-size: 13px;
  font-weight: 800;
}

.read-more-link i {
  transition: transform 0.26s var(--pe-ease);
}

.read-more-link:hover i {
  transform: translateX(3px);
}

[data-blog-theme='magazine'] #recent-posts .recent-post-item {
  border-radius: 0;
  box-shadow: none;
  border-right: none;
  border-left: none;
}

[data-blog-theme='magazine'] #recent-posts .article-title {
  font-family: Georgia, 'Times New Roman', 'PingFang SC', 'Microsoft YaHei', serif;
}

/* Article reading */
#article-container {
  color: var(--pe-ink);
  font-size: 16.5px;
  line-height: 1.88;
  max-width: 100%;
  overflow-x: clip;
  overflow-wrap: break-word;
}

#article-container p,
#article-container li {
  text-wrap: pretty;
}

#article-container h1,
#article-container h2,
#article-container h3,
#article-container h4 {
  color: var(--pe-ink);
  line-height: 1.35;
  text-wrap: pretty;
}

#article-container h2 {
  margin-top: 2.2em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--pe-border);
  font-size: 1.55em;
}

#article-container h3 {
  margin-top: 1.8em;
  font-size: 1.24em;
}

#article-container a:not(.btn):not(.fancybox) {
  color: var(--pe-accent);
  background-image: linear-gradient(var(--pe-accent), var(--pe-accent));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 0 1px;
  transition: background-size 0.26s var(--pe-ease), color 0.26s;
}

#article-container a:not(.btn):not(.fancybox):hover {
  color: var(--pe-accent-strong);
  background-size: 100% 1px;
}

blockquote {
  border-left-color: var(--pe-accent) !important;
  background: var(--blockquote-bg) !important;
  color: var(--blockquote-color) !important;
}

#article-container figure.highlight,
#article-container pre,
#article-container .highlight {
  border: 1px solid var(--pe-border);
  border-radius: 8px;
  background: var(--pe-surface-muted) !important;
}

#article-container figure.highlight {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

#article-container figure.highlight table {
  display: table;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  table-layout: fixed;
  overflow: hidden;
}

#article-container figure.highlight .gutter {
  width: 3.4em;
  max-width: 3.4em;
}

#article-container figure.highlight .code {
  width: auto;
  min-width: 0;
  max-width: 100%;
}

#article-container figure.highlight .code pre {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#article-container pre,
#article-container code {
  font-size: 0.94em;
}

#article-container .katex-display,
#article-container table {
  overflow-x: auto;
  max-width: 100%;
}

#card-toc .toc-content .toc-link.active {
  border-radius: 6px;
  background: var(--pe-accent);
  color: #fff;
}

#card-toc .toc-content .toc-link:hover {
  color: var(--pe-accent);
}

/* Widgets and controls */
#pagination .page-number,
#pagination .extend {
  border-radius: 8px;
  transition: transform 0.24s var(--pe-ease), background 0.24s, color 0.24s;
}

#pagination .page-number:hover,
#pagination .extend:hover,
#pagination .page-number.current {
  background: var(--pe-accent) !important;
  color: #fff !important;
  transform: translateY(-2px);
}

#rightside > div > button,
#rightside > div > a {
  border-radius: 8px !important;
  background: var(--pe-accent) !important;
  color: #fff !important;
  box-shadow: 0 10px 28px rgba(31, 42, 38, 0.16);
  transition: transform 0.24s var(--pe-ease), background 0.24s;
}

#rightside > div > button:hover,
#rightside > div > a:hover {
  background: var(--pe-accent-strong) !important;
  transform: translateY(-2px);
}

.aplayer.aplayer-fixed .aplayer-body,
.aplayer.aplayer-fixed .aplayer-list {
  background: var(--pe-player-bg) !important;
  border: 1px solid var(--pe-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

#footer {
  color: var(--pe-ink-soft);
  background: var(--pe-footer-bg) !important;
  border-top: 1px solid var(--pe-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

[data-blog-theme='magazine'] #footer,
[data-blog-theme='ubw'] #footer {
  color: var(--pe-nav-text);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--pe-accent);
}

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

/* Archive toolbar */
.archive-sort-btn {
  padding: 4px 11px;
  border: 1px solid var(--pe-border-strong);
  border-radius: 8px;
  background: transparent;
  color: var(--pe-ink-soft);
  cursor: pointer;
  opacity: 0.82;
  transition: background 0.24s, color 0.24s, border-color 0.24s, opacity 0.24s;
}

.archive-sort-btn:hover,
.archive-sort-btn.active {
  border-color: var(--pe-accent);
  background: var(--pe-accent);
  color: #fff;
  opacity: 1;
}

/* Retire old decorative cursor if stale generated files still include it. */
#pe-cursor-ring,
#pe-canvas-blobs {
  display: none !important;
}

@media screen and (max-width: 900px) {
  .layout {
    max-width: 100%;
    padding: 24px 14px;
  }

  #aside-content {
    display: none !important;
  }

  .layout > div:first-child:not(.nc),
  #post,
  #page,
  #archive {
    width: 100% !important;
    padding: 34px 24px;
  }
}

@media screen and (max-width: 768px) {
  #nav {
    height: 58px;
    padding: 0 16px;
  }

  #page-header.full_page {
    height: 58vh !important;
    min-height: 390px;
  }

  #page-header.full_page #site-info {
    width: calc(100% - 34px) !important;
  }

  .site-kicker {
    font-size: 12px;
  }

  #page-header #site-title {
    font-size: 34px;
  }

  #page-header #site-subtitle {
    font-size: 16px;
  }

  #page-header.post-bg,
  #page-header.not-home-page {
    height: 280px !important;
  }

  #post-info {
    bottom: 28px !important;
  }

  #recent-posts .recent-post-item {
    display: block;
    min-height: 0;
  }

  #recent-posts .recent-post-item .post_cover {
    width: 100%;
    min-width: 0;
    height: 190px;
    border-right: none;
    border-bottom: 1px solid var(--pe-border);
  }

  #recent-posts .recent-post-info {
    padding: 24px 22px;
  }

  #recent-posts .article-title {
    font-size: 22px;
  }

  #article-container {
    font-size: 16px;
    line-height: 1.86;
  }

  .layout > div:first-child:not(.nc),
  #post,
  #page,
  #archive {
    padding: 30px 18px;
  }
}

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