:root {
  --light-grey: #c3c3d4;
  --dark-blue: #0a0a23;
  --fcc-blue: #1b1b32;
  --light-yellow: #fecc4c;
  --dark-yellow: #feac32;
  --light-pink: #ffadad;
  --dark-red: #850000;
  --light-green: #acd157;
  --primary-font: sans-serif;
  --secondary-font: monospace;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: var(--fcc-blue);
  color: white;
  font-family: var(--primary-font);
}
.main-container {
  padding: 5rem 0;
  max-width: 1300px;
  width: 90%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}
h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
}
#change-due {
  background: black;
  border: 3px solid var(--dark-yellow);
  padding: 0.5rem 0.5rem;
  font-family: var(--secondary-font);
  font-size: 1.1rem;
}
.input-div {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--dark-blue);
  margin: 1rem 0;
  align-items: center;
  border: 3px solid var(--dark-yellow);
  & label {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
  }
  & input {
    outline: none;
    margin-bottom: 0.8rem;
    padding: 0.2rem 0.7rem;
    max-width: 70%;
  }
  & button {
    width: fit-content;
    color: white;
    padding: 0.2rem 0.7rem;
    font-size: 1.1rem;
    background: rgb(43, 148, 241);
    border: none;
  }
}
.top-display-screen-container {
  border: 3px solid black;
  width: fit-content;
}
.top-display-screen-container > p {
  color: rgb(72, 255, 0);
  background-color: black;
  padding: 0.5rem 1rem;
  width: max-content;
  border: 0.3rem solid var(--light-grey);
  font-family: var(--secondary-font);
  font-size: 1.3rem;
  font-weight: bold;
}
.block {
  height: 1rem;
  width: 2rem;
  background-color: var(--light-grey);
  border-left: 3px solid black;
  border-right: 3px solid black;
  margin-left: 1rem;
}

.top-register {
  background: var(--light-grey);
  border: 3px solid black;
  display: flex;
  & .cash-drawer-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    height: fit-content;
    padding: 1rem;
    gap: 0.2rem;
    & button {
      width: 1.5rem;
      height: 1.5rem;
      background: var(--dark-blue);
      outline: none;
      border: none;
      border: 1px solid;
      border-radius: 0.2rem;
    }
  }
  & .cash-drawer-display {
    padding: 1rem;
    background: white;
    color: black;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    & > p {
        text-align: center;
      & strong {
        text-decoration: underline;
        font-size: 1.2rem;
      }
    }
    & .cash-cid-container {
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
      & p span {
        color: var(--dark-yellow);
        font-weight: bold;
      }
    }
  }
}