* {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #000000;
  -webkit-tap-highlight-color: transparent;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

.calc-btn {
  transition: all 0.1s ease;
  border-radius: 9999px;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
}

.calc-btn:active {
  transform: scale(0.95);
  filter: brightness(1.2);
}

.btn-active-mode {
  color: #f35923 !important;
  font-weight: 600 !important;
}

::-webkit-scrollbar {
  display: none;
}

#btn-recip span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}