@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

* {
  margin: 0;
  padding: 0;
  font-family: "Roboto", sans-serif;
  font-weight: 900;
  font-style: italic;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

main {
  position: absolute;
  top: 10%;
  /* bottom: 10%; */
}

.display-text {
  font-size: min(3em, 50px);
  text-align: right;
  border: 1px solid black;
  display: flex;
  width: max(90vw);
  height: max(100px);
  justify-content: end;
  padding: 1rem;
  border-radius: 5px;
  overflow: hidden;
}

.dail-pad {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 5px;
  margin-top: 10px;
  width: min(90vw);
  height: min(70vh);
}

div.dail-pad > button {
  background-color: rgb(35, 35, 35);
  color: whitesmoke;
  border: none;
  border-radius: 5px;
  padding: 10px 10px;
  font-size: min(3em, 50px);
  cursor: pointer;
}


.number.divide,
.number.plus,
.number.minus,
.number.times,
#clear,
#del,
.percent.operator {
  background-color: rgb(245, 100, 40);
}

.equal#eval {
  background-color: rgb(2, 80, 40);
}

img {
  display: block;
  margin: auto;
}
/* Responsive Layouts */
@media (max-width: 480px) {
  .dail-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 10px;
    width: min(90vw, 500px);
    height: min(70vh);
  }

  div.dail-pad > button {
    font-size: 2em;
  }
}

@media (max-width: 375px) {
  main {
    top: 4%;
  }
  .dail-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 10px;
    width: min(90vw, 500px);
    height: min(70vh);
  }
}

@media (max-width: 414px) {
  main {
    top: 4%;
  }
  .dail-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 10px;
    width: min(90vw, 500px);
    height: min(70vh);
  }
}

@media (max-width: 390px) {
  main {
    top: 4%;
  }
  .dail-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 10px;
    width: min(90vw, 500px);
    height: min(70vh);
  }
}

@media (max-width: 430px) {
  main {
    top: 4%;
  }
  .dail-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 10px;
    width: min(90vw, 500px);
    height: min(70vh);
  }
}