:root {
  --text-color-primary: #fff;
  --text-color-secondary: #ccc;
  --text-color-tertiary: #999;
  --background-color-primary: #0c0c0f;
  --surface-color-primary: #202125;
  --surface-color-secondary: #15161a;
  --surface-color-hover: #a2a2a6;
  --text-color-primary-hover: #202020;
  --text-color-secondary-hover: #444;
  font-size: 17px;
}

body {
  user-select: none;
  -webkit-user-select: none;
  background-color: var(--background-color-primary);
  color: var(--text-color-primary);
  font-family: Arial, sans-serif;
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  padding: 0;
  margin: 0;
  overflow: hidden;
  box-sizing: border-box;
}

a { color: var(--text-color-secondary); }
a:active, a:focus { outline: 0; border: none; }

.btn {
  padding: 1rem 2rem;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  margin: .2rem;
  cursor: pointer;
  line-height: 2.5rem;
  min-width: 5rem;
  border-radius: 1.25rem;
  width: 50%;
  background-color: var(--surface-color-primary);
  border: none;
  color: var(--text-color-primary);
  font-size: 1.3rem;
  transition: background-color .25s ease;
  box-sizing: border-box;
}

.btn:hover, .btn:focus {
  background-color: var(--surface-color-hover);
  color: var(--text-color-primary-hover);
}

.btn-secondary { padding: .5rem 2rem; font-size: 1rem; }

#main-content { position: relative; box-sizing: border-box; }
#main-content > div {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease-in-out;
  box-sizing: border-box;
  display: flex;
}

#pre-jb-view {
  display: block !important;
  padding-top: 18vh;
  text-align: center;
}

#pre-jb-view .btn {
  display: block;
  width: 70%;
  max-width: none;
  margin: .5rem auto;
}

.selected { opacity: 1 !important; pointer-events: auto !important; }
.position-relative { position: relative; }
.text-center { text-align: center; }
.fw-bold { font-weight: 800; }
.text-secondary {
  color: var(--text-color-secondary);
  margin: 0;
  padding: 0;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  font-size: .8rem;
}
.p-2 { padding: .5rem !important; }
.mt-2 { margin-top: .5rem !important; }
.mb-2 { margin-bottom: .5rem !important; }