/* Vanblog Cyber Glitch（仅暗色生效）：赛博故障风（暗色） */
html.dark .markdown-body {
  --vb-text: rgba(226, 232, 240, 0.92);
  --vb-muted: rgba(148, 163, 184, 0.85);
  --vb-cyan: #22d3ee;
  --vb-magenta: #fb7185;
  --vb-lime: #8bff00;
  --vb-panel: rgba(2, 6, 23, 0.52);
  --vb-border: rgba(34, 211, 238, 0.18);
  --vb-radius: 16px;
  color: var(--vb-text);
  position: relative;
}

html.dark .markdown-body::before {
  content: "";
  position: absolute;
  inset: -14px;
  pointer-events: none;
  z-index: -1;
  border-radius: calc(var(--vb-radius) + 12px);
  background:
    repeating-linear-gradient(0deg, rgba(34, 211, 238, 0.06) 0 1px, transparent 1px 6px),
    repeating-linear-gradient(90deg, rgba(251, 113, 133, 0.05) 0 1px, transparent 1px 9px),
    radial-gradient(700px 280px at 20% 10%, rgba(34, 211, 238, 0.20), transparent 60%),
    radial-gradient(700px 280px at 80% 20%, rgba(251, 113, 133, 0.16), transparent 60%);
  opacity: 0.95;
}

html.dark .markdown-body p { line-height: 2.0; }

html.dark .markdown-body h1,
html.dark .markdown-body h2,
html.dark .markdown-body h3 {
  border: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

html.dark .markdown-body h1 {
  text-align: center;
  padding: 16px 16px 18px;
  border-radius: var(--vb-radius);
  background: rgba(2, 6, 23, 0.65);
  border: 1px solid var(--vb-border);
  box-shadow:
    -3px 0 0 rgba(34, 211, 238, 0.45),
    3px 0 0 rgba(251, 113, 133, 0.38),
    0 8px 24px rgba(34, 211, 238, 0.15);
  text-shadow:
    -2px 0 rgba(34, 211, 238, 0.55),
    2px 0 rgba(251, 113, 133, 0.50),
    0 0 10px rgba(139, 255, 0, 0.15);
  font-weight: 700;
  letter-spacing: 0.12em;
}
html.dark .markdown-body h1:hover { 
  animation: vb-glitch 450ms steps(2, end) infinite;
  cursor: default;
}

@keyframes vb-glitch {
  0% { transform: translate(0, 0); filter: none; }
  15% { transform: translate(-2px, 0); filter: saturate(1.3); }
  30% { transform: translate(3px, -1px); filter: hue-rotate(15deg); }
  45% { transform: translate(-3px, 1px); filter: hue-rotate(-12deg); }
  60% { transform: translate(2px, -1px); filter: saturate(1.4); }
  75% { transform: translate(-1px, 1px); filter: hue-rotate(8deg); }
  90% { transform: translate(1px, 0); filter: saturate(1.2); }
  100% { transform: translate(0, 0); filter: none; }
}

html.dark .markdown-body h2 {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.22);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.12);
  transition: all 0.3s ease;
}

html.dark .markdown-body h2:hover {
  background: rgba(34, 211, 238, 0.18);
  box-shadow: 0 0 25px rgba(34, 211, 238, 0.25);
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.3);
}

html.dark .markdown-body blockquote {
  border: 0;
  border-radius: var(--vb-radius);
  background: var(--vb-panel);
  border: 1px solid rgba(251, 113, 133, 0.18);
  box-shadow: 0 18px 46px rgba(34, 211, 238, 0.10);
}

html.dark .markdown-body a {
  color: rgba(34, 211, 238, 0.95);
  text-decoration: none;
  border-bottom: 2px solid rgba(251, 113, 133, 0.30);
}
html.dark .markdown-body a:hover { border-bottom-color: rgba(34, 211, 238, 0.55); }

html.dark .markdown-body :not(pre) > code {
  background: rgba(139, 255, 0, 0.14);
  border: 1px solid rgba(139, 255, 0, 0.25);
  border-radius: 10px;
  padding: 0.2em 0.5em;
  box-shadow: 0 0 12px rgba(139, 255, 0, 0.08);
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-weight: 500;
}

html.dark .markdown-body .code-block-wrapper {
  border-radius: var(--vb-radius);
  overflow: hidden;
  border: 1px solid rgba(34, 211, 238, 0.16);
  box-shadow: 0 18px 46px rgba(34, 211, 238, 0.10);
}
html.dark .markdown-body .code-block-wrapper .header-right {
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.10), rgba(251, 113, 133, 0.08));
  border-bottom: 1px solid rgba(34, 211, 238, 0.10);
}

html.dark .markdown-body hr {
  border: 0;
  height: 10px;
  background:
    repeating-linear-gradient(90deg, rgba(34, 211, 238, 0.0) 0 10px, rgba(34, 211, 238, 0.38) 10px 12px),
    repeating-linear-gradient(90deg, rgba(251, 113, 133, 0.0) 0 16px, rgba(251, 113, 133, 0.28) 16px 18px);
  border-radius: 999px;
  opacity: 0.8;
}