:root {
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    Roboto, sans-serif;
  --text-color: #222;
  --overlay-color: rgba(0, 0, 0, 0.4);
  --glass-bg: rgba(255, 255, 255, 0.45);
  --placeholder-color: #bbb;
  --accent-color: #00695c;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
  scrollbar-width: thin;
}

/* WebKit-based browsers (Chrome, Edge, Safari) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.4);
}

::-webkit-scrollbar-track {
  background: transparent;
}

html,
body {
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: #fff;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 1rem 1rem;
  background-color: var(--accent-color);
  color: white;
  font-size: 0.9rem;
}

p + p {
  margin-top: 1rem;
}

.go-back-indicator {
  position: absolute;
  top: 2rem;
  left: 0;
  transform: translateX(-50%);
  font-size: 2rem;
  color: white;
  z-index: 2;
  animation: slide 2s infinite;
  width: 100px;
  height: 100px;
  display: grid;
  place-items: center;
}

@keyframes slide {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(0) translateY(-50%);
  }
  40% {
    transform: translateX(-10px) translateY(-50%);
  }
  60% {
    transform: translateX(-5px) translateY(-50%);
  }
}
