:root {
  --background-light: #f9f9f9;
  --text-primary-light: #222222;
  --text-secondary-light: #4a4a4a;
  --accent-light: #007aff;
  --border-light: #e0e0e0;
  --shadow-light: rgba(0, 0, 0, 0.1);

  --background-dark: #1a1a1a;
  --text-primary-dark: #f5f5f5;
  --text-secondary-dark: #cccccc;
  --accent-dark: #00bfff;
  --border-dark: #333333;
  --shadow-dark: rgba(255, 255, 255, 0.1);

  --font-stack: Chalkboard, ChalkboardSE-Regular, ChalkboardSE, ChalkDuster,
    Comic Sans MS, comic-sans, sans-serif;
}

h1 {
  font-size: 3rem;
}

a {
  color: unset;
}

/* Light Theme */
body {
  background-color: var(--background-light);
  color: var(--text-primary-light);
  font-family: var(--font-stack);
}

body a:hover {
  color: var(--accent-light);
}

button {
  /* Remove all default styling */
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  outline: none;

  /* Fix for odd text sizing in some browsers */
  line-height: normal;

  /* Prevent text selection */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;

  /* Remove default focus styles */
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible {
  outline: 2px solid #4d90fe;
  outline-offset: 2px;
}

button::-moz-focus-inner {
  border: 0;
  padding: 0;
}

body button {
  background: none;
  color: unset;
}
body button:hover {
  color: var(--accent-light);
}

body .secondary-text {
  color: var(--text-secondary-light);
}

body .border {
  border-color: var(--border-light);
}

body .shadow {
  box-shadow: 0 2px 4px var(--shadow-light);
}

svg.logo {
  height: 60vh;
  width: 60vh;
  margin-bottom: -10vh;
  margin-top: -10vh;
}

html {
  height: 100%;
  width: 100%;
}

body {
  overflow-x: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  height: 100%;
  width: 100%;
  margin: auto;
  text-align: center;
}

.links {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.25rem;
  gap: 2rem;
}

.links svg {
  height: 4vh;
  width: 4vh;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--background-dark);
    color: var(--text-primary-dark);
    font-family: var(--font-stack);
  }

  body a:hover {
    color: var(--accent-dark);
  }

  body .secondary-text {
    color: var(--text-secondary-dark);
  }

  body .border {
    border-color: var(--border-dark);
  }

  body .shadow {
    box-shadow: 0 2px 4px var(--shadow-dark);
  }
}

.bluesky-flutter {
  display: flex;
  gap: 0.5em;
  align-items: center;
}

.bluesky-flutter svg {
  width: 2em;
  height: 2em;
  transition: 200ms;
}

.bluesky-flutter .left {
  transform-origin: center;
}
.bluesky-flutter .right {
  transform-origin: center;
  transform: scale(-1, 1);
}
.bluesky-flutter:hover .left,
.bluesky-flutter:focus .left {
  animation: flutter 430ms ease-in-out;
  --flip: 1;
}
.bluesky-flutter:hover .right,
.bluesky-flutter:focus .right {
  animation: flutter 500ms ease-in-out;
  --flip: -1;
}
.bluesky-flutter:hover svg,
.bluesky-flutter:focus svg {
  transform: rotate(-5deg);
  transition: 500ms;
}

@media (prefers-reduced-motion) {
  .bluesky-flutter:hover .left,
  .bluesky-flutter:focus .left,
  .bluesky-flutter:hover .right,
  .bluesky-flutter:focus .right {
    animation: none;
  }
}

@keyframes flutter {
  10% {
    transform: scale(calc(var(--flip) * 1), 0.9);
  }
  20% {
    transform: scale(calc(var(--flip) * 0.5), 1);
  }
  40% {
    transform: scale(calc(var(--flip) * 0.9), 0.95);
  }
  60% {
    transform: scale(calc(var(--flip) * 0.3), 1);
  }
  80% {
    transform: scale(calc(var(--flip) * 0.9), 0.95);
  }
  100% {
    transform: scale(calc(var(--flip) * 1), 1);
  }
}