:root {
  --clr-white: #fff;
  --clr-black: #000;

  --clr-green: #3FB83E;
  --ff-base: system-ui, sans-serif;
    
  font: 16px/1.4 var(--ff-base);
}




body {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 100vh; 
  min-height: 100svh;  
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;  

  background-color: var(--clr-green);
  
}



button {
  cursor: pointer;
}

ul[class] {
  margin: 0;
  padding: 0;
  list-style: none;
}

form {
  margin: 0;
}

header {
  background-color: var(--clr-white);
  position: fixed;
  inset: 1rem 1rem auto 1rem;
  padding: 0.875rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0px 2px 2px 0px #0000000A;
  z-index: 100;

  > a {
    flex-grow: 1;
    max-width: 12.6875rem;
  }
}

#inter-ikea-systems {
  position: fixed;
  
  right: 1rem;
  top: 5.125rem;
}



main {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

button#dice {
  display: block;
  background-color: var(--clr-white);
  border-radius: 1.25rem;
  border: none;
  appearance: none;
  width: 11rem;
  height: 11rem;
  padding: 1.5rem;
  box-sizing: border-box;
}

button#dice.is-rolling {
  animation: dice-roll 0.4s ease;
}

@keyframes dice-roll {
  0%   { transform: rotate(0) scale(1); }
  50%  { transform: rotate(180deg) scale(0.85); }
  100% { transform: rotate(360deg) scale(1); }
}

.dice__face {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
  height: 100%;
  padding: 0;
  box-sizing: border-box;
}

.pip {
  align-self: center;
  justify-self: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: var(--clr-black);
  visibility: hidden;
}

.pip--tl { grid-area: 1 / 1; }
.pip--tr { grid-area: 1 / 3; }
.pip--ml { grid-area: 2 / 1; }
.pip--c  { grid-area: 2 / 2; }
.pip--mr { grid-area: 2 / 3; }
.pip--bl { grid-area: 3 / 1; }
.pip--br { grid-area: 3 / 3; }

/* Show the pips that belong to each value. */
.dice__face[data-value="1"] .pip--c,
.dice__face[data-value="2"] .pip--tl,
.dice__face[data-value="2"] .pip--br,
.dice__face[data-value="3"] .pip--tl,
.dice__face[data-value="3"] .pip--c,
.dice__face[data-value="3"] .pip--br,
.dice__face[data-value="4"] .pip--tl,
.dice__face[data-value="4"] .pip--tr,
.dice__face[data-value="4"] .pip--bl,
.dice__face[data-value="4"] .pip--br,
.dice__face[data-value="5"] .pip--tl,
.dice__face[data-value="5"] .pip--tr,
.dice__face[data-value="5"] .pip--c,
.dice__face[data-value="5"] .pip--bl,
.dice__face[data-value="5"] .pip--br,
.dice__face[data-value="6"] .pip--tl,
.dice__face[data-value="6"] .pip--tr,
.dice__face[data-value="6"] .pip--ml,
.dice__face[data-value="6"] .pip--mr,
.dice__face[data-value="6"] .pip--bl,
.dice__face[data-value="6"] .pip--br {
  visibility: visible;
}