html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Orbitron', sans-serif;
  background-color: rgba(0, 0, 0, 0.7);
  color: #00ffe5;
  overflow-x: hidden;
}

@font-face {
  font-family: 'Orbitron';
  src: url('/assets/fonts/orbitron/orbitron-regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

#glitch-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}



.hud-container {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
  transition: grid-template-columns 0.4s ease;
  align-items: stretch;
  position: relative;
}

.hud-container.collapsed {
  grid-template-columns: 0px 1fr;
}

.sidebar {
  overflow: hidden;
  background: rgba(0, 255, 229, 0.05);
  border-right: 1px solid #00ffe5;
  padding: 2em 1em;
  height: 100%;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.sidebar.collapsed {
  padding: 2em 1em;
  border: none;
  opacity: 0;
  transform: translateX(-10px);
}

.sidebar h1 {
  font-size: 1em;
  margin: 0 0 1em;
  color: #00ffe5;
  text-transform: uppercase;
}

.sidebar nav a {
  display: block;
  margin-bottom: 1em;
  text-decoration: none;
  color: #00ffe5;
  padding: 0.3em;
  border: 1px solid #00ffe5;
  transition: background 0.3s;
}
.sidebar nav a:hover {
  background: rgba(0, 255, 229, 0.1);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 2em;
  font-size: 0.75em;
  opacity: 0.6;
}

.sidebar-footer a {
  color: #00ffe5;
  text-decoration: none;
  display: block;
  border-top: 1px solid rgba(0,255,229,0.2);
  padding-top: 1em;
  margin-top: 1em;
}

.sidebar-footer a:hover {
  color: white;
  opacity: 1;
}

.main {
  padding: 2em;
  height: 100%;
  box-sizing: border-box;
}

.hud-box {
  border: 1px solid #00ffe5;
  padding: 1.5em;
  margin-bottom: 2em;
  background: rgba(0, 255, 229, 0.03);
  box-shadow: 0 0 10px #00ffe555;
}

.hud-box h2, .hud-box h3 {
  margin-top: 0;
  text-transform: uppercase;
}

.hud-box ul li a {
  color: #00ffff;
  text-decoration: none;
  transition: color 0.2s;
}
.hud-box ul li a:hover {
  color: #ffffff;
}

.button-row a {
  display: inline-block;
  margin-right: 1em;
  margin-top: 1em;
  padding: 0.5em 1em;
  border: 1px solid #00ffe5;
  color: #00ffe5;
  text-decoration: none;
  background: transparent;
  transition: background 0.3s, color 0.3s;
  text-transform: uppercase;
}
.button-row a:hover {
  background: #00ffe5;
  color: #0a0a0a;
}

.glitch {
  position: relative;
  display: inline-block;
  white-space: nowrap;
  overflow: visible;
  color: #00ffe5;
  animation: glitch-flicker 3s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0; top: 0;
  opacity: 0.7;
  width: 100%;
  white-space: nowrap;
  clip-path: inset(0 0 50% 0);
  animation: glitch-anim 3s infinite ease-in-out alternate-reverse;
}

.glitch::before {
  color: #ff00ff;
}

.glitch::after {
  color: #00ffff;
  clip-path: inset(50% 0 0 0);
  animation-delay: 1.5s;
}

@keyframes glitch-flicker {
  0%, 100% { opacity: 1; }
  25% { opacity: 0.85; }
  50% { opacity: 1; }
  75% { opacity: 0.9; }
}

@keyframes glitch-anim {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-1px, 1px); }
  40%  { transform: translate(1px, -1px); }
  60%  { transform: translate(-1px, -1px); }
  80%  { transform: translate(1px, 1px); }
  100% { transform: translate(0, 0); }
}

.toggle-symbol {
  cursor: pointer;
  display: inline-block;
  color: #00ffe5;
  margin-right: 0.5em;
  position: relative;
  transition: transform 0.1s ease;
}

.toggle-symbol:hover {
  animation: toggle-glitch 0.3s linear infinite;
  text-shadow: 1px 0 #ff00ff, -1px 0 #00ffff;
}

@keyframes toggle-glitch {
  0% { transform: translate(0); }
  20% { transform: translate(-1px, 1px); }
  40% { transform: translate(1px, -1px); }
  60% { transform: translate(-1px, 0); }
  80% { transform: translate(1px, 1px); }
  100% { transform: translate(0); }
}

/* --- About Me specific enhancements --- */
.hud-box p {
  margin-bottom: 1em;
  line-height: 1.6;
}

.hud-box ul {
  padding-left: 1.5em;
  margin-bottom: 1em;
  list-style: disc;
}

.hud-box ul li {
  margin-bottom: 0.5em;
}