* { 
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-align: center;
}

body {
  margin: 0;
  background-color: white;
  color: whitesmoke;
  display: grid;
  font: 1em sans-serif;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}

.card {
  background-color: rgba(236, 7, 34, 0.548);
  max-width: 600px;
  width: 100%;
  min-height: 250px;
  border: 2px solid #ffffffcb;
  border-radius: 20px;
  padding: 40px 20px;
  box-shadow: 2px 10px 30px palevioletred;
}

h1 { 
  margin: 8px; 
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  text-align: center;
}

p.sub {
  margin: 20px auto;
  color: #fff; 
  font-size: clamp(16px, 2.5vw, 20px);
}

.board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: center;
}

.die-wrap {
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 8px 0;
  border-radius: 12px;
  background-color: white;
  color: #1f2a44;
  border: 1px solid rgba(245, 245, 245, 0.242);
}

.die {
  font-size: clamp(40px, 10vw, 88px);
  line-height: 1;
  padding: 8px 0 12px;
  filter: drop-shadow(0 2px 0 rgba(255,255,255,0.02)); 
  user-select: none;
}

.controls {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.result {
  font-size: clamp(16px, 3vw, 20px);
  color: #fff; 
}

.score {
  display: inline-flex; 
  gap: 10px;
  align-items: center;
  padding: 5px 10px; 
  border-radius: 10px;
  border: 1px solid #fff;
  color: #cbd5e1;
  font-size: clamp(12px, 2.5vw, 15px);
}

/* responsive */
@media (max-width: 600px) { 
  .board { 
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 20px;
  }
}