@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap");
:root {
  --Strong-cyan: hsl(172, 67%, 45%);
  --Very-dark-cyan: hsl(183, 100%, 15%);
  --Dark-grayish-cyan: hsl(186, 14%, 43%);
  --Grayish-cyan: hsl(184, 14%, 56%);
  --Light-grayish-cyan: hsl(185, 41%, 84%);
  --Very-light-grayish-cyan: hsl(189, 41%, 97%);
  --White: hsl(0, 0%, 100%);
}
* {
  box-sizing: border-box;
  font-family: "Space Mono";
}
body {
  margin: 0;
  background-color: var(--Light-grayish-cyan);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
main {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hide {
  display: none;
}
.splitter {
  color: var(--Very-dark-cyan);
  letter-spacing: 10px;
  margin: 25px 0;
}
.container {
  width: 800px;
  background-color: var(--White);
  border-radius: 15px;
  display: flex;
  gap: 25px;
  padding: 25px;
}
.left,
.right {
  width: 50%;
}
.label {
  color: var(--Very-dark-cyan);
  font-weight: 600;
}
.input-container {
  background-color: var(--Very-light-grayish-cyan);
  display: flex;
  align-items: center;
  padding: 5px 10px;
  margin-bottom: 25px;
  margin-top: 10px;
  border: 2px solid transparent;
  border-radius: 5px;
}
.input-container:focus-within {
  border-color: var(--Strong-cyan);
}
.icon {
  height: 100%;
  display: flex;
  align-items: center;
}
.input {
  text-align: end;
  outline: none;
  border: none;
  font-size: 24px;
  background: transparent;
  color: var(--Very-dark-cyan);
  font-weight: 700;
  caret-color: transparent;
  cursor: pointer;
  width: calc(100% - 17px);
}
/* Hide the arrows in number input fields */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield; /* Firefox */
}
.input::placeholder {
  color: var(--Dark-grayish-cyan);
}
input[type="radio"] {
  display: none;
}
.tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1frI);
  gap: 15px;
  margin: 15px 0;
}
.tip {
  background-color: var(--Very-dark-cyan);
  color: var(--White);
  border-radius: 5px;
  text-align: center;
  padding: 10px 0;
  font-weight: 700;
  cursor: pointer;
}
.tip:hover,
.tip-radio:checked + .tip {
  background-color: var(--Strong-cyan);
  color: var(--Very-dark-cyan);
}
.custom-tip {
  background-color: var(--Very-light-grayish-cyan);
  color: var(--Dark-grayish-cyan);
  border-radius: 5px;
  text-align: center;
  padding: 10px 0;
  font-weight: 700;
  cursor: pointer;
}
.custom-input {
  display: none;
  height: 100%;
  width: 100%;
  outline: none;
  border: none;
  background-color: transparent;
  caret-color: transparent;
  text-align: end;
  color: var(--Very-dark-cyan);
  font-size: 24px;
  font-weight: 700;
  padding: 0 5px;
  cursor: pointer;
}
.custom-input::placeholder {
  color: var(--Dark-grayish-cyan);
}
.tip-radio:checked + .custom-tip {
  padding: 0;
  font-size: 0;
  border: 2px solid var(--Strong-cyan);
}
.tip-radio:checked + .custom-tip .custom-input {
  display: block;
}
.people-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.people-label p {
  margin: 0;
}
.error {
  color: red;
  border-color: red;
}
.right {
  background-color: var(--Very-dark-cyan);
  border-radius: 15px;
  padding: 42px 28px;
  display: flex;
  flex-direction: column;
}
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.row p,
.row h1 {
  margin: 0;
}
.title {
  color: var(--Very-light-grayish-cyan);
  font-weight: 700;
  font-size: 18px;
}
.per-person {
  color: var(--Grayish-cyan);
  font-weight: 600;
}
.price {
  color: var(--Strong-cyan);
  font-size: 38px;
}
.reset {
  margin-top: auto;
  width: 100%;
  padding: 10px 0;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 3px;
  border: none;
  outline: none;
  border-radius: 5px;
  cursor: pointer;
  color: var(--Very-dark-cyan);
  background-color: var(--Strong-cyan);
  opacity: 0.5;
}
.reset.active {
  background-color: var(--Strong-cyan);
  opacity: 1;
}
.reset.active:hover {
  background-color: var(--Light-grayish-cyan);
}
@media (max-width: 850px) {
  .container {
    width: 90vw;
    flex-direction: column;
  }
  .left,
  .right {
    width: 100%;
  }
  .tips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  .tip,
  .custom-tip {
    width: 100px;
  }
}