:root {
  --bg-color: #0a0a0a;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --phosphor-green: #00ff41;
  --phosphor-green-dim: rgba(0, 255, 65, 0.3);
  --phosphor-amber: #ffb000;
  --phosphor-amber-dim: rgba(255, 176, 0, 0.3);
  --phosphor-red: #ff3333;
  --phosphor-teal: #00e5ff;
  --text-main: var(--phosphor-green);
  --glow-green: 0 0 10px rgba(0,255,65,0.5), 0 0 2px rgba(0,255,65,0.8);
  --glow-amber: 0 0 10px rgba(255,176,0,0.5), 0 0 2px rgba(255,176,0,0.8);
  --scanline-color: rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.6;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--phosphor-green) var(--bg-color);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--bg-color); border-left: 1px solid var(--phosphor-green-dim); }
::-webkit-scrollbar-thumb { background: var(--phosphor-green); box-shadow: var(--glow-green); }

/* CRT Overlays */
.crt-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 9999;
}
.scanlines {
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0) 50%, var(--scanline-color) 50%, var(--scanline-color));
  background-size: 100% 4px;
}
.vignette {
  background: radial-gradient(circle at center, transparent 50%, rgba(0,0,0,0.4) 100%);
}
/* Replaced noiseCanvas with CSS background */
.noise-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  pointer-events: none; z-index: 9998; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Reading Progress */
#reading-progress-container {
  position: fixed; top: 0; left: 0; width: 100%; height: 4px;
  background: var(--bg-color); z-index: 10000;
}
#reading-progress-bar {
  height: 100%; width: 0%;
  background: var(--phosphor-green);
  box-shadow: 0 0 10px var(--phosphor-green);
  transition: width 0.1s;
}

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 100px;
  position: relative;
  z-index: 10;
}

/* Typography & Glow */
h1, h2, h3, h4 {
  font-weight: normal;
  text-transform: uppercase;
  margin-bottom: 20px;
  text-shadow: var(--glow-green);
}
h2 { color: var(--phosphor-amber); text-shadow: var(--glow-amber); margin-top: 60px; font-size: 32px; border-bottom: 2px dashed var(--phosphor-amber-dim); padding-bottom: 10px; }
h3 { color: var(--phosphor-teal); margin-top: 40px; }
p, ul, ol { margin-bottom: 20px; text-shadow: 0 0 2px rgba(0,255,65,0.3); }
a { color: var(--phosphor-amber); text-decoration: none; border-bottom: 1px solid var(--phosphor-amber); }
a:hover { background: var(--phosphor-amber); color: var(--bg-color); }
ul { padding-left: 20px; list-style-type: square; }
strong { color: var(--phosphor-amber); font-weight: normal; }
em { color: var(--phosphor-teal); font-style: normal; }

code.ic {
   background: rgba(0,255,65,0.1);
   padding: 2px 6px;
   color: var(--phosphor-teal);
   border: 1px solid var(--phosphor-teal);
 }
 .hex-amber { color: var(--phosphor-amber); }
 .prng-step-text { color: var(--phosphor-teal); }
pre {
  background: rgba(0,255,65,0.05);
  border: 1px solid var(--phosphor-green-dim);
  padding: 15px;
  overflow-x: auto;
  margin-bottom: 20px;
  border-left: 4px solid var(--phosphor-green);
}

/* Boot Sequence Hero */
#boot-sequence {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 60px;
}
.boot-text { margin: 0; padding: 0; line-height: 1.2; opacity: 0; }
.boot-text--amber { color: var(--phosphor-amber); }
.hero-title {
  font-size: clamp(60px, 10vw, 120px);
  color: var(--phosphor-amber);
  text-shadow: var(--glow-amber);
  margin: 20px 0;
  display: none;
}
.hero-meta { font-family: var(--font-mono); font-size: 14px; color: var(--phosphor-teal); display: none; }
.cursor { display: inline-block; width: 10px; height: 1em; background: var(--phosphor-green); animation: blink 1s step-end infinite; vertical-align: bottom; }

/* Interactive Widgets Common */
.widget {
  border: 2px solid var(--phosphor-green-dim);
  background: rgba(0, 20, 0, 0.4);
  padding: 20px;
  margin: 30px 0;
  position: relative;
  box-shadow: inset 0 0 20px rgba(0,255,65,0.05);
}
.widget-title {
  position: absolute; top: -12px; left: 20px;
  background: var(--bg-color); padding: 0 10px;
  font-size: 16px; color: var(--phosphor-amber);
}

/* CHIP-8 Emulator Widget */
.emu-container { display: flex; gap: 20px; flex-wrap: wrap; }
.emu-screen { flex: 1; min-width: 320px; }
.emu-canvas { width: 100%; aspect-ratio: 2/1; background: #000; border: 2px solid var(--phosphor-green); box-shadow: var(--glow-green); }
.emu-sidebar { width: 200px; display: flex; flex-direction: column; gap: 10px; font-size: 16px; }
.register-panel { border: 1px dashed var(--phosphor-green-dim); padding: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.btn {
  background: transparent; color: var(--phosphor-green);
  border: 1px solid var(--phosphor-green); padding: 5px 15px;
  font-family: var(--font-mono); font-size: 18px; cursor: pointer;
  text-transform: uppercase; transition: all 0.2s;
}
.btn:hover { background: var(--phosphor-green); color: var(--bg-color); box-shadow: var(--glow-green); }

/* Animated Memory Map */
.memmap { display: flex; gap: 4px; margin-top: 20px; height: 40px; }
.mem-segment { height: 100%; cursor: pointer; position: relative; transition: opacity 0.2s; opacity: 0.8; }
.mem-segment:hover { opacity: 1; box-shadow: 0 0 10px currentColor; }
.mem-segment:focus-visible { opacity: 1; outline: 2px solid var(--phosphor-green); outline-offset: 2px; }
.mem-segment--entry { flex: 1; background: var(--phosphor-amber-dim); border: 1px solid var(--phosphor-amber); }
.mem-segment--outer-loop { flex: 2; background: rgba(255, 51, 51, 0.3); border: 1px solid var(--phosphor-red); }
.mem-segment--prng { flex: 1; background: var(--phosphor-teal); opacity: 0.5; }
.mem-segment--sprite { flex: 4; background: rgba(0, 255, 65, 0.3); border: 1px solid var(--phosphor-green); }
.mem-segment--draw { flex: 3; background: rgba(150, 0, 255, 0.3); border: 1px solid #90f; }
.mem-info { border: 1px solid var(--phosphor-green-dim); padding: 15px; margin-top: 10px; min-height: 100px; }

/* PRNG Visualizer */
.prng-grid { width: 100%; aspect-ratio: 1; background: #050505; position: relative; border: 1px solid #222; }
.prng-dot { position: absolute; width: 4px; height: 4px; background: rgba(0,255,65,0.5); transform: translate(-50%, -50%); border-radius: 50%; }
.prng-dot.active { background: var(--phosphor-teal); box-shadow: 0 0 8px var(--phosphor-teal); z-index: 10; width: 8px; height: 8px; }
.prng-dot.cycle { background: var(--phosphor-amber); box-shadow: var(--glow-amber); }
.prng-controls { display: flex; gap: 10px; margin-top: 10px; align-items: center; }

/* Timer Comparison */
.timer-comp { display: flex; gap: 20px; }
.timer-panel { flex: 1; border: 1px dashed #444; padding: 20px; text-align: center; }
.timer-value { font-size: 36px; margin: 15px 0; color: var(--phosphor-red); font-family: var(--font-mono); }
.timer-panel.fast .timer-value { color: var(--phosphor-teal); }
.progress-track { height: 10px; background: #111; border: 1px solid #333; width: 100%; }
.progress-fill { height: 100%; background: currentColor; width: 0%; }
.progress-fill--red { color: var(--phosphor-red); }
.progress-fill--teal { color: var(--phosphor-teal); }
.race-controls { margin-top: 15px; }

/* XOR Demo */
.xor-row { display: flex; align-items: center; gap: 15px; margin-bottom: 10px; font-family: var(--font-mono); font-size: 16px;}
.xor-row label { min-width: 100px; }
.xor-row input[type="range"] { flex: 1; accent-color: var(--phosphor-amber); }
.xor-val { width: 40px; text-align: right; }
.xor-bin { letter-spacing: 2px; color: #999; }
.xor-result { border-top: 1px dashed var(--phosphor-green); padding-top: 10px; margin-top: 10px; font-size: 24px; color: var(--phosphor-amber); }



/* Flag Reveal */
.flag-slots { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin: 40px 0; align-items: center; }
.flag-slot { width: 28px; height: 36px; border: 1px solid #333; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 18px; background: #050505; transition: color 0.2s, border-color 0.2s, text-shadow 0.2s, background-color 0.2s; border-radius: 6px; min-width: 28px; }
.flag-slot.scrambled { color: var(--phosphor-red); text-shadow: 0 0 5px var(--phosphor-red); }
.flag-slot.resolving { color: var(--phosphor-amber); text-shadow: 0 0 5px var(--phosphor-amber); border-color: var(--phosphor-amber); }
.flag-slot.locked { color: var(--phosphor-green); text-shadow: var(--glow-green); border-color: var(--phosphor-green); box-shadow: inset 0 0 10px rgba(0,255,65,0.2); }
.flag-caption { color:#aaa; }

/* Rabbit Holes & Deep Dives */
.rabbit-hole { border: 1px solid var(--phosphor-red); background: rgba(255,0,0,0.05); margin: 20px 0; cursor: pointer; transition: all 0.2s; }
.rabbit-header { padding: 15px; display: flex; justify-content: space-between; color: var(--phosphor-red); align-items: center; }
.rabbit-header:hover { background: rgba(255,0,0,0.1); }
.rabbit-content { padding: 0 15px 15px; display: none; color: #ccc; font-family: var(--font-mono); font-size: 14px; }
.rabbit-hole.open .rabbit-content { display: block; }
.rabbit-hole.open { box-shadow: 0 0 15px rgba(255,0,0,0.2); }

.deep-dive { border: 1px solid var(--phosphor-teal); margin: 20px 0; }
.dd-header { padding: 10px 15px; background: rgba(0,229,255,0.1); cursor: pointer; color: var(--phosphor-teal); display: flex; justify-content: space-between;}
.dd-content { padding: 15px; display: none; }
.deep-dive.open .dd-content { display: block; }

/* Callouts / Notes */
.note { border-left: 4px solid var(--phosphor-amber); padding: 15px 20px; background: rgba(255,176,0,0.05); margin: 20px 0; }
.note-title { color: var(--phosphor-amber); font-weight: bold; margin-bottom: 5px; display: block; }



/* Inline style replacements */
.section--spaced { margin-top: 60px; }
.section--footer { padding-top: 20px; border-top: 1px dashed var(--phosphor-green-dim); text-align: center; }
.download-links { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-meta p { margin: 0; }

/* Animations */
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
@keyframes glitch {
  0% { transform: translate(0) }
  20% { transform: translate(-2px, 1px) }
  40% { transform: translate(2px, -1px) }
  60% { transform: translate(-1px, 2px) }
  80% { transform: translate(1px, -2px) }
  100% { transform: translate(0) }
}
.glitch-hover:hover,
.glitch-hover:focus-visible { animation: glitch 0.2s infinite; color: var(--phosphor-red); text-shadow: 2px 0 var(--phosphor-teal), -2px 0 var(--phosphor-amber); }
.mem-segment:focus-visible { opacity: 1; outline: 2px solid var(--phosphor-green); outline-offset: 2px; }

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--phosphor-amber);
  color: var(--bg-color);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  border-radius: 4px;
  font-weight: bold;
}

.skip-link:focus-visible {
  top: 10px;
  left: 10px;
  outline: 2px solid var(--phosphor-green);
  outline-offset: 2px;
}

.reveal-on-scroll { opacity: 0; transform: translateY(20px); transition: all 0.6s ease-out; }
.reveal-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .boot-text,
  .hero-title,
  .hero-meta {
    animation: none !important;
    opacity: 1 !important;
    display: block !important;
  }
  
  .glitch-hover:hover {
    animation: none;
    color: var(--text-main);
    text-shadow: var(--glow-green);
  }
  
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }


  body {
    filter: none !important;
  }
  
  .noise-overlay {
    display: none !important;
  }
}

/* Utility */
.flex-between { display: flex; justify-content: space-between; }
.text-center { text-align: center; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* TOC */
.toc { background: rgba(0,255,65,0.05); border: 1px solid var(--phosphor-green-dim); padding: 20px; margin-bottom: 40px; }
.toc ul { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.toc a { border: none; display: flex; align-items: center; gap: 10px; }
.toc a::before { content: '>'; color: var(--phosphor-green-dim); }
.toc a:hover::before { color: var(--phosphor-green); animation: blink 1s infinite; }
.toc-title { color: var(--phosphor-amber); margin-bottom: 10px; }

@media (max-width: 768px) {
  .emu-container { flex-direction: column; }
  .emu-sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .timer-comp { flex-direction: column; }
  .toc ul { grid-template-columns: 1fr; }
}


/* Accessibility + layout fixes */
body { padding-top: 58px; }

@media (max-width: 720px) {
  body { padding-top: 108px; }
}

#boot-sequence .hero-title,
#boot-sequence .hero-meta {
  display: block;
  opacity: 0;
}

#boot-sequence .hero-title {
  visibility: visible;
}

#boot-sequence .hero-meta {
  max-width: 70ch;
}

button.rabbit-header,
button.dd-header {
  width: 100%;
  border: 0;
  background: transparent;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
  appearance: none;
}

button.rabbit-header:focus-visible,
button.dd-header:focus-visible,
.toolbar-btn:focus-visible,
.copy-btn:focus-visible,
.flag-copy-btn:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--phosphor-amber);
  outline-offset: 2px;
}

/* Toolbar */
#top-toolbar {
  position: fixed;
  top: 4px;
  left: 0;
  right: 0;
  z-index: 9997;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  backdrop-filter: blur(8px);
  background: rgba(10, 10, 10, 0.78);
  border-bottom: 1px solid var(--phosphor-green-dim);
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--phosphor-green);
  background: transparent;
  color: var(--phosphor-green);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  border-radius: 10px;
}
.toolbar-btn:hover {
  transform: translateY(-1px);
  background: var(--phosphor-green);
  color: var(--bg-color);
  box-shadow: var(--glow-green);
}

.toolbar-btn.toggle-btn.active {
  background: var(--phosphor-amber);
  color: var(--bg-color);
  border-color: var(--phosphor-amber);
  box-shadow: var(--glow-amber);
}

@media (max-width: 720px) {
  #top-toolbar {
    flex-wrap: wrap;
    justify-content: center;
    padding: 8px 12px;
  }
}

/* Copy buttons */
.copyable-block {
  position: relative;
}
.copyable-block pre {
  padding-top: 44px;
  padding-right: 132px;
}
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  border: 1px solid var(--phosphor-green-dim);
  background: rgba(0, 0, 0, 0.55);
  color: var(--phosphor-green);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
}
.copy-btn:hover {
  background: var(--phosphor-green);
  color: var(--bg-color);
}

.copy-btn.is-copied {
  background: var(--phosphor-amber);
  color: var(--bg-color);
  border-color: var(--phosphor-amber);
}

.flag-caption { color:#aaa; }
.flag-copy-host {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}
.flag-copy-btn {
  border: 1px solid var(--phosphor-amber);
  background: transparent;
  color: var(--phosphor-amber);
  padding: 8px 14px;
  font-family: var(--font-mono);
  cursor: pointer;
  border-radius: 999px;
}
.flag-copy-btn:hover {
  background: var(--phosphor-amber);
  color: var(--bg-color);
  box-shadow: var(--glow-amber);
}

/* Theme overrides */
html[data-theme="light"] {
  --bg-color: #f6f1e7;
  --phosphor-green: #1a4d2e;
  --phosphor-green-dim: rgba(26, 77, 46, 0.18);
  --phosphor-amber: #8b5000;
  --phosphor-amber-dim: rgba(139, 80, 0, 0.14);
  --phosphor-red: #a8230a;
  --phosphor-teal: #003d7d;
  --text-main: #1c1e21;
  --glow-green: none;
  --glow-amber: none;
  --scanline-color: rgba(0, 0, 0, 0.04);
}

html[data-theme="light"] body {
   background: var(--bg-color);
   color: var(--text-main);
 }

html[data-theme="light"] .crt-overlay,
html[data-theme="light"] .noise-overlay {
  display: none !important;
}

html[data-theme="light"] #reading-progress-container,
html[data-theme="light"] #top-toolbar {
  background: rgba(246, 241, 231, 0.96);
  border-color: rgba(0, 0, 0, 0.1);
}

html[data-theme="light"] #reading-progress-bar {
  box-shadow: none;
}

html[data-theme="light"] .container,
html[data-theme="light"] .widget,
html[data-theme="light"] .rabbit-hole,
html[data-theme="light"] .deep-dive,
html[data-theme="light"] pre,
html[data-theme="light"] .toc,
html[data-theme="light"] .note,
html[data-theme="light"] .text-center,
html[data-theme="light"] p[style*="color:#888"],
html[data-theme="light"] .rabbit-content,
html[data-theme="light"] .flag-caption {
  color: var(--text-main) !important;
}

html[data-theme="light"] .widget,
html[data-theme="light"] .rabbit-hole,
html[data-theme="light"] .deep-dive,
html[data-theme="light"] pre,
html[data-theme="light"] .note,
html[data-theme="light"] .toc {
  border-color: rgba(0, 0, 0, 0.14);
}

html[data-theme="light"] h1,
html[data-theme="light"] h2,
html[data-theme="light"] h3,
html[data-theme="light"] h4,
html[data-theme="light"] p,
html[data-theme="light"] ul,
html[data-theme="light"] ol,
html[data-theme="light"] li,
html[data-theme="light"] .hero-meta,
html[data-theme="light"] .widget-title,
html[data-theme="light"] .dd-content,
html[data-theme="light"] .rabbit-content,
html[data-theme="light"] .toc,
html[data-theme="light"] .emu-canvas { background: #f0f4e8; }

html[data-theme="light"] h2 {
  border-bottom-color: rgba(163, 95, 0, 0.22);
}

html[data-theme="light"] a {
  color: var(--phosphor-amber);
  border-bottom-color: var(--phosphor-amber);
}

html[data-theme="light"] a:hover,
html[data-theme="light"] .btn:hover,
html[data-theme="light"] .toolbar-btn:hover {
  color: #fff;
}

html[data-theme="light"] .widget-title,
html[data-theme="light"] .toolbar-btn,
html[data-theme="light"] .btn,
html[data-theme="light"] .copy-btn,
html[data-theme="light"] .flag-copy-btn {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 0, 0, 0.2);
  color: var(--text-main);
}

html[data-theme="light"] .toolbar-btn.active,
html[data-theme="light"] .btn:hover,
html[data-theme="light"] .copy-btn:hover,
html[data-theme="light"] .flag-copy-btn:hover {
  background: var(--phosphor-amber);
  color: #fff;
  box-shadow: none;
}

html[data-theme="light"] .toolbar-btn:focus-visible,
html[data-theme="light"] .btn:focus-visible,
html[data-theme="light"] .copy-btn:focus-visible,
html[data-theme="light"] .flag-copy-btn:focus-visible,
html[data-theme="light"] button.rabbit-header:focus-visible,
html[data-theme="light"] button.dd-header:focus-visible {
  outline-color: var(--phosphor-amber);
}

html[data-theme="light"] .flag-slot {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.18);
}

html[data-theme="light"] .prng-grid {
  background: #e8e8e8;
  border-color: #bbb;
}
html[data-theme="light"] .prng-dot {
  background: rgba(26, 77, 46, 0.4);
}
html[data-theme="light"] .prng-dot.active {
  background: var(--phosphor-teal);
  box-shadow: 0 0 6px var(--phosphor-teal);
}
html[data-theme="light"] .progress-track,
html[data-theme="light"] .timer-panel,
html[data-theme="light"] .xor-result {
  box-shadow: none;
}

html[data-theme="light"] .widget,
html[data-theme="light"] .register-panel,
html[data-theme="light"] .mem-info,
html[data-theme="light"] .dd-content { background: #f0f4e8; }

html[data-theme="light"] .btn,
html[data-theme="light"] .toolbar-btn,
html[data-theme="light"] .copy-btn,
html[data-theme="light"] .flag-copy-btn {
  box-shadow: none;
}

html[data-theme="light"] .toolbar-btn[target="_blank"] {
  background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 720px) {
  h2, h3 {
    scroll-margin-top: 120px;
  }
}

@media (min-width: 721px) {
  h2, h3 {
    scroll-margin-top: 70px;
  }
}

html[data-theme="light"] .toolbar-btn[href^="https://"] {
  text-decoration: none;
}

html[data-theme="light"] .rabbit-header:hover { background: rgba(168, 35, 10, 0.07); }

body.flash-green { box-shadow: inset 0 0 50px rgba(0,255,65,0.2); }
body.boot-filter { filter: contrast(150%) hue-rotate(90deg); }


@media print {
  html, body {
    background: #fff !important;
    color: #111 !important;
  }

  .crt-overlay,
  .noise-overlay,
  #reading-progress-container,
  #top-toolbar,
  .copy-btn,
  .flag-copy-btn,
  .btn {
    display: none !important;
  }
  
  .emu-canvas, .prng-grid {
    display: none !important;
  }
  .print-fallback {
    display: block !important;
    border: 1px dashed #ccc;
    padding: 20px;
    text-align: center;
    color: #111;
  }

  #boot-sequence {
    min-height: auto !important;
    margin-bottom: 18px !important;
  }

  .dd-content, .rabbit-content { display: block !important; }


  .container {
    max-width: none;
    padding: 0 !important;
  }

  .widget,
  .rabbit-hole,
  .deep-dive,
  pre,
  .toc,
  .note,
  footer {
    background: #fff !important;
    color: #111 !important;
    border-color: #ccc !important;
    box-shadow: none !important;
  }

  h1, h2, h3, h4, p, li, span, div, code, pre {
    text-shadow: none !important;
  }
}