@font-face {
  font-family: 'Hack';
  src: url('/assets/fonts/Hack.ttf') format('truetype');
  font-weight: bold;
  font-style: normal;
}

/* Hide the GitHub button */
.github-button {
  display: none !important;
}

/* Hide the footer credit */
footer .footer {
  display: none !important;
}

/* Hide brand on screens narrower than 768px */
@media (max-width: 900px) {
  .nav-brand {
    display: none !important;
  }
}

.main-content pre {
  font-family: 'VT323', monospace;
  font-size: 18px;
}

/* Add 10% horizontal margins to the main content */
.main-content {
  margin-left: 10%;
  margin-right: 10%;
  max-width: 80%;
  padding-top: 50px; /* To avoid overlap */
}

/* Add top/bottom spacing */
.main-content {
  margin-top: 2rem;
  margin-bottom: 4rem;
}

/* Center and clamp images */
.main-content img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin: 1em auto;
  max-width: 100%;
  height: auto;
}

.top-toolbar {
  background-color: #151515;
  color: #fff;
  height: 40px;
  width: 100%;
  display: flex;
  align-items: center;
  font-family: sans-serif;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  z-index: 999;
  position: fixed;
  top: 0;
}

.nav-container {
  display: flex;
  width: 100%;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.4);
  padding: 0.5em 10%;
  border-radius: 0 0 4px 4px;
  backdrop-filter: blur(4px);
}

.nav-brand {
  font-weight: bold;
  font-size: 14px;
  align-self: center;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  padding: 10px 5px;
  display: block;
}

.nav-links a:hover {
  text-decoration: underline;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #1c1c1c;
  min-width: 160px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  z-index: 1000;
}

.dropdown-content li a {
  padding: 10px;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-content {
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.dropdown:hover .dropdown-content {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Wrap for zoom and centering */
.mermaid-zoom-wrapper {
  overflow: auto;
  max-width: 100%;
  margin: 2em auto;
  padding: 1em;
  border-radius: 6px;
  background-color: #1a1a1a;
  text-align: center;
}

/* Enable mouse drag panning (horizontal) */
.mermaid-zoom-wrapper svg {
  cursor: grab;
  max-width: 100%;
  height: auto;
}

/* Fix node labels breaking layout */
.mermaid text {
  font-family: sans-serif;
  font-size: 14px;
  fill: #ccc;
}

/* Brand text styling */
.nav-brand {
  color: #00BFFF; /* DeepSkyBlue / Ocean Blue */
  font-weight: bold;
  font-size: 16px;
  text-shadow: 0 0 2px #F0F8FF; /* Pearl glow */
}

/* Menu link text color */
.nav-links a {
  color: #FFA500; /* Golden Orange */
  font-weight: 500;
  transition: color 0.2s ease;
}

/* Menu hover effect */
.nav-links a:hover {
  color: #FFCC66; /* Softer gold on hover */
  text-decoration: underline;
}

/* Markdown headers: ocean blue like nav-brand */
.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4,
.main-content h5,
.main-content h6 {
  color: #00BFFF; /* Ocean Blue */
  font-weight: 600;
  margin-top: 1.5em;
}

.main-content h1:hover {
  color: #00FFFF; /* Neon Aqua */
  text-shadow: 0 0 6px #00FFFF;
  transition: all 0.3s ease-in-out;
}

.main-content h2:hover {
  color: #00FFFF; /* Neon Aqua */
  text-shadow: 0 0 6px #00FFFF;
  transition: all 0.3s ease-in-out;
}

.main-content h3:hover {
  color: #00FFFF; /* Neon Aqua */
  text-shadow: 0 0 6px #00FFFF;
  transition: all 0.3s ease-in-out;
}

/* Terminal title bar */
.main-content pre::after {
  content: "▶ user@hkh-terminal:~$";
  display: block;
  position: absolute;
  top: -1.8em;
  left: 0.5em;
  color: #00FF66;
  font-family: monospace;
  font-size: 12px;
  opacity: 0.7;
}

/* CRT terminal-style code blocks */
.main-content pre {
  background-color: #0b0b0b; /* Deep CRT black */
  color: #00FFFF; /* Terminal green */
  font-family: 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.4;
  padding: 1em;
  border-radius: 6px;
  overflow-x: auto;
  box-shadow: 0 0 10px #00FFFF;
  text-shadow: 0 0 2px #00FF66;
  position: relative;
}

/* Code blocks: Green scanline overlay */
.main-content pre::before {
  content: "";
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0, 255, 100, 0.05) 3px,
    transparent 4px
  );
}

.search-wrapper {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  box-sizing: border-box;
  padding: 0.75em 1em;
  background: #0d1117;
  border-top: 1px solid #222;
  z-index: 998;
}

#search-box {
  width: 100%;
  box-sizing: border-box;
  font-size: 16px;
  padding: 0.5em;
  background: #111;
  border: 1px solid #333;
  border-radius: 4px;
  color: #FFA500;
}

#search-results .search-hit {
  margin-bottom: 1em;
  padding: 1em;
  background: #111;
  border-left: 4px solid #FFA500;
}

#search-results .search-hit a {
  color: #00BFFF;
  text-decoration: none;
}

#search-results {
  transition: opacity 0.25s ease;
}

#search-results.fade-out {
  opacity: 0;
  pointer-events: none;
}

@keyframes crt-glow {
  0%, 100% { text-shadow: 0 0 2px #00FFFF, 0 0 4px #00ff66; }
  50% { text-shadow: 0 0 4px #00FFFF, 0 0 8px #00ff66; }
}

.main-content pre {
  animation: crt-glow 1.5s infinite alternate;
}

.hljs {
  font-family: 'Hack', monospace;
  font-size: 16px;
  font-weight: bold;
  padding: 1em;
  background: #0d1117;
  color: #c9d1d9;
  border-radius: 6px;
  box-shadow: 0 0 15px #000;
}

.mermaid-zoom-wrapper,
.mermaid {
  position: relative;
  background: #111;
  padding: 1em;
  margin: 2em 0;
  border-radius: 10px;
  box-shadow:
    0 0 3px #00ffe088,
    0 0 6px #00ffe044;
  border: 1px solid #00ffe022;
}

.fab-button {
  display: flex;
  align-items: center;
  background-color: #ffcc00;
  color: #000;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-right: 1rem;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  box-shadow: 0 0 5px #ffcc00aa;
}

.fab-button:hover {
  background-color: #ffaa00;
  color: #111;
  box-shadow: 0 0 10px #ffaa00cc;
}

.fab-button .fab-icon {
  height: 20px;
  margin-left: 6px;
  filter: drop-shadow(0 0 2px #000);
}

@media (max-width: 600px) {
  .fab-button {
    font-size: 12px;
    padding: 4px 8px;
    margin-right: 0.5rem;
  }

.fab-button .fab-icon {
    height: 16px;
  }
}

.fab-button .fab-icon {
    height: 16px;
  }
}

.fab-button .fab-icon {
    height: 16px;
  }
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 0.5em 1em;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-brand {
  font-size: 20px;
  font-weight: bold;
  color: #00f0ff;
  white-space: nowrap;
}