body { background: black; color: white; font-family: sans-serif; text-align: center; }
.hint { margin: 20px; font-size: 1.2em; }
.display { font-size: 2em; margin-bottom: 10px; }
.pad button { width: 60px; height: 60px; margin: 5px; font-size: 1.5em; background: white; color: black; }
.pad {
  margin-bottom: 0;
  padding-bottom: 0;
}

.info-button {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: white;
  color: black;
  font-weight: bold;
  font-size: 1.2em;
  cursor: pointer;
}

.popup {
  position: fixed;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 70%;
  background: rgba(0, 0, 0, 0.95);
  color: white;
  border: 2px solid white;
  overflow: hidden;
  z-index: 100;
}

.popup-content {
  padding: 10px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.popup table {
  width: 100%;
  border-collapse: collapse;
  overflow-y: scroll;
  flex: 1;
}

.popup th, .popup td {
  padding: 5px;
  border-bottom: 1px solid white;
  text-align: left;
}

.popup tbody {
  overflow-y: auto;
  display: block;
  height: 100%;
}



.footer {
  position: fixed;
  bottom: 0px;
  width: 100%;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
}

.big {
  font-size: 2em;
}

.small {
  color: yellow;
  font-style: italic;
  font-size: 2em;
  margin-left: 5px;
}

.intro { background: none; border: 1px solid white; color: white; padding: 5px 10px; }