:root {
  /* Dark mode defaults */
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --accent-color: #007bff;
  --max-content-width : 1500px;
}

[data-theme='dark'] {
  --bg-color: #121212;
  --text-color: #ffffff;
  --accent-color: #3d9af2;
}

[data-theme='light'] {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --accent-color: #007bff;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.logo, 
.splash_logo {
  font-family: "JetBrainsMono", monospace; 
  font-weight: 700;
  font-size: 1.5rem;
}

.splash_logo {
  font-size: 9vh;
  font-weight: 400;
  position:fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  line-height: 0.9;
}

.splash_logo.hidden {
  display: none;
  pointer-events: none;
}

.splash_logo span {
  display: inline-block;
  animation: loading_animation 3s;
  animation-delay: calc(var(--i) * 0.15s);
  opacity: 0;
}

@keyframes fadein {
  from { opacity: 0; transform: translateX(-50%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes loading_animation {
  0% { opacity: 0; transform: translateX(-50%); }
  20% { opacity: 1; transform: translateX(0); }
  80% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(50%); }
}

.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10000;
  max-width: var(--max-content-width);
  margin: 0 auto;
}

.logo span {
  display: inline-block;
  animation: fadein 0.5s forwards;
  animation-delay: calc(2.6s + var(--i) * 0.15s);
  opacity: 0;
}

main {
  max-width: var(--max-content-width);
  margin: 0 auto;
}

.js-enabled main {
  opacity: 0;
  pointer-events: none;
}

.js-enabled main.show {
  animation: main_show 1s forwards;
  pointer-events: auto;
}

@keyframes main_show {
  from { opacity: 0; }
  to { opacity: 1;}
}

code {
  font-size: 1rem;
  font-weight: 400;
  font-family: "JetBrainsMono", monospace; 
}