* {
  box-sizing: border-box;
}

:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color: var(--text-color);
  background-color: var(--bg-color);

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#app {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

a {
  font-weight: 500;
  color: var(--accent-color);
  text-decoration: inherit;
}

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

button {
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: var(--button-bg);
  cursor: pointer;
  transition: border-color 0.25s;
}

button:hover {
  border-color: var(--accent-color);
}

button:focus,
button:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}