/* Import font */
@import url("https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap");

:root {
  /* ### Color - Primary */
  --Green-400: hsl(172, 67%, 45%);
  /* ### Color - Neutral */
  --Green-900: hsl(183, 100%, 15%);
  --Grey-500: hsl(186, 14%, 43%);
  --Grey-400: hsl(184, 14%, 56%);
  --Grey-200: hsl(185, 41%, 84%);
  --Grey-50: hsl(189, 47%, 97%);
  --White: hsl(0, 100%, 100%);
}

*,
::before,
::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
img {
  max-width: 100%;
}
button {
  cursor: pointer;
}
button:active {
  background-color: hsl(185, 51.8%, 72.4%);
  color: var(--Green-900);
}
body {
  min-height: 100vh;
  background-color: var(--Grey-200);
  color: var(--Grey-500);
  font-family: "Space Mono", monospace;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 88%;
  margin: 0 auto;
  padding-top: 80px;
}
.logo {
  margin-bottom: 40px;
  cursor: pointer;
}
.card {
  background-color: #fff;
  border-radius: 20px;
  padding: 32px;
}

.bill-section,
.people-section {
  position: relative;
}
.bill-input-section,
.people-input-section {
  margin-top: 6px;
}
.bill-input,
.people-input {
  padding: 6px 18px;
  font-family: "Space Mono", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  background-color: var(--Grey-50);
  border: none;
  border-radius: 6px;
  box-shadow: inset 0px 0px 1px hsl(192, 13.5%, 85.5%);
  /* max-width: 310px; */
  text-align: right;
  color: var(--Green-900);
  cursor: pointer;
}
.bill-input-icon,
.people-input-icon {
  position: absolute;
  top: 59%;
  left: 20px;
}
.bill-input::placeholder,
.people-input::placeholder {
  color: var(--Grey-400);
}

/* Hide Arrows From Input Number - https://www.w3schools.com/howto/howto_css_hide_arrow_number.asp */
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
/* Firefox */
input[type="number"] {
  -moz-appearance: textfield;
}

input:focus {
  outline: 2px solid var(--Green-400);
}
input:invalid {
  outline: 2px solid darkorange;
}
.people-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.error {
  color: darkorange;
  opacity: 0;
}
.people-input:invalid .error {
  opacity: 1;
}

.error-show {
  opacity: 1;
}

.btns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 14px;
  margin-top: 16px;
}
.btn {
  /* width: 100%; */
  width: 146px;
  height: 48px;
  border: none;
  border-radius: 8px;
  font-family: "Space Mono", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  /* padding: 10px 20px; */
}
.percent {
  background-color: var(--Green-900);
  color: #fff;
}
.custom {
  background-color: var(--Grey-50);
  /* color: var(--Green-900); */
  width: 146px;
  height: 48px;
  border: none;
  border-radius: 8px;
  font-family: "Space Mono", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: right;
  padding-inline: 12px;
  cursor: pointer;
}
.custom::placeholder {
  text-align: center;
  color: var(--Grey-500);
}
.custom:focus {
  color: var(--Green-900);
}
.selected {
  background-color: var(--Green-400);
  color: var(--Green-900);
}
input.selected {
  background-color: var(--Grey-50);
  color: var(--Grey-400);
}
.tip-percent-section {
  margin-block: 35px;
}

/* Summary */
.summary {
  background-color: var(--Green-900);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-top: 32px;
}
.tip-section,
.total-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}
.tip-amount,
.total-amount {
  color: #fff;
}
.person {
  font-size: 0.875rem;
  color: var(--Grey-400);
}
.tip-number,
.total-number {
  font-size: 36px;
  color: var(--Green-400);
}
.reset-button {
  width: 281px;
}
.reset {
  width: 100%;
  background-color: var(--Green-400);
  color: var(--Green-900);
  height: 48px;
  border: none;
  border-radius: 8px;
  font-family: "Space Mono", monospace;
  font-size: 1.25rem;
  font-weight: 700;
}
.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Attribution */
.attribution {
  font-size: 11px;
  text-align: center;
  position: fixed;
  bottom: 10px;
}
.attribution a {
  color: hsl(228, 45%, 44%);
  font-size: 11px;
}

@media screen and (min-width: 950px) {
  .container {
    max-width: 920px;
    /* justify-content: center; */
    padding: 48px;
  }
  .logo {
    margin-bottom: 88px;
  }
  .card {
    display: flex;
    grid-gap: 48px;
    /* flex-direction: column; */
  }
  .form {
    max-width: 380px;
  }
  .tip-percent-section {
    margin-block: 40px;
  }
  .bill-input,
  .people-input {
    width: 378px;
  }
  .btns {
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 14px;
  }
  .btn {
    max-width: 117px;
    /* margin: 7px; */
    /* padding: 10px 20px; */
  }
  .custom {
    width: 117px;
  }

  /* Summary */
  .summary {
    margin-top: 0px;
    padding: 40px;
    height: 404px;
  }
  .reset-button {
    width: 333px;
  }
  .tip-number,
  .total-number {
    font-size: 48px;
    color: var(--Green-400);
  }
}