* {
  padding: 0;
  margin: 0;
  font-family: "Space Mono", sans-serif;
}
.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  height: 100%;
  background-color: hsl(185, 41%, 84%);
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.card {
  display: flex;
  gap: 1rem;
  background-color: hsl(0, 100%, 100%);
  padding: 1rem;
  border-radius: 0.5rem;
}
.form {
  padding: 1rem;
}
.form label {
  color: hsl(186, 14%, 43%);
  font-weight: 600;
  font-size: 12px;
}
.bill-div,
.people-div,
.tip-div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.input-icon-wrapper {
  position: relative;
  width: 100%;
}
.bill-amt,
.people-input,
.tip-custom-amt {
  max-width: auto;
  width: 100%;
  height: 40px;
  padding: 0 0.2rem 0 0.2rem;
  background-color: hsl(189, 47%, 97%);
  border: 2px solid transparent;
  text-align: right;
  color: hsl(183, 100%, 15%);
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 20px;
}
.bill-amt::placeholder,
.people-input::placeholder,
.tip-custom-amt::placeholder {
  font-size: 20px;
  color: hsl(184, 14%, 56%);
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}
.bill-amt:active,
.bill-amt:focus,
.tip-custom-amt:active,
.tip-custom-amt:focus {
  border: 2px solid hsl(172, 67%, 45%);
  outline: none;
  border-radius: 0.5rem;
}
.icon-dollar,
.icon-person {
  position: absolute;
  left: 0.6rem;
  top: 10px;
}
.tip-btns-div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.tip-btns-div button {
  max-width: 100px;
  width: 100%;
  padding: 0.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: hsl(183, 100%, 15%);
  border: none;
  color: hsl(0, 100%, 100%);
  font-size: 20px;
  font-weight: 600;
  border-radius: 0.5rem;
}
.selected {
  background-color: hsl(172, 67%, 45%);
  color: hsl(0, 100%, 100%);
}
.tip-btns-div button:hover {
  background-color: hsl(172, 67%, 45%);
  cursor: pointer;
}
.tip-custom-amt {
  max-width: 100px;
  width: 100%;
  border: none;
  color: hsl(183, 100%, 15%);
  background-color: hsl(189, 47%, 97%);
}
.tip-custom-amt::placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  color: hsl(183, 100%, 15%);
  font-size: 20px;
  font-weight: 600;
  text-align: center;
}
.people-label-div {
  display: flex;
  justify-content: space-between;
}
.error-msg {
  display: none;
  color: rgb(226, 56, 56);
  font-size: 12px;
  font-weight: 600;
}
.calc-div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: hsl(183, 100%, 15%);
  border-radius: 0.5rem;
  padding: 1rem;
}
.tip-amt-div,
.total-amt-div {
  color: hsl(0, 100%, 100%);
  display: flex;
  align-items: center;
  width: 100%;
  justify-content: space-between;
  margin-bottom: 3rem;
  gap: 3rem;
}
.per-div {
  color: hsl(184, 14%, 56%);
  font-weight: 600;
  font-size: 12px;
}
.calc-tip-amt,
.calc-total-amt {
  display: flex;
  justify-content: center;
  align-items: center;
  color: hsl(172, 67%, 45%);
  font-weight: 800;
  font-size: 30px;
}
.reset-btn-div {
  display: flex;
  justify-content: center;
  width: 100%;
}
.reset-btn {
  background-color: hsl(172, 67%, 45%, 0.6);
  border: none;
  max-width: 200px;
  width: 100%;
  padding: 0.5rem;
  border-radius: 0.2rem;
  font-size: 15px;
  color: hsl(183, 100%, 15%);
  font-weight: 600;
  opacity: 50%;
}
.reset-btn:hover {
  background-color: hsl(172, 67%, 45%);
  color: hsl(183, 100%, 15%);
  cursor: pointer;
}

/*mobile design*/
@media (max-width: 600px) {
  .card {
    display: flex;
    flex-direction: column;
  }
}