*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  background: var(--signal);
  color: var(--black);
}

html {
  height: 100%;
}

body {
  background: var(--black);
  color: var(--chalk);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100%;
  overflow-x: hidden;
}

/* Film grain overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

a {
  color: var(--signal);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--black);
}

::-webkit-scrollbar-thumb {
  background: var(--dim);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--bone);
}

/* Utility */
.label {
  font-family: var(--font-system);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--dim);
}

.label--optional::after {
  content: 'optional';
  margin-left: 0.5em;
  letter-spacing: 0.15em;
  opacity: 0.5;
}

.voice {
  font-family: var(--font-voice);
  font-style: italic;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  font-family: var(--font-system);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
}