@import url("https://fonts.googleapis.com/css2?family=Space+Mono:wght@700&display=swap");

:root {
  --veryDarkCyan: hsl(183, 100%, 15%);
  --darkGrayishCyan: hsl(186, 14%, 43%);
  --grayishCyan: hsl(184, 14%, 56%);
  --lightGrayishCyan: hsl(185, 41%, 84%);
  --veryLIghtGrayishCyan: hsl(189, 41%, 97%);
  --StrongCyan: hsl(172, 67%, 45%);
  --White: hsl(0, 0%, 100%);
  --fontSize: 24px;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Space Mono", sans-serif;
}

body {
  min-height: 100vh;
  width: 100%;
  font-size: 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--lightGrayishCyan);
  gap: 4rem;
}
/*-----------------------------------------------------------------------------------------------------
                                                Titre
-------------------------------------------------------------------------------------------------------*/
h2 {
  text-transform: uppercase;
  letter-spacing: 0.5rem;
  color: var(--veryDarkCyan);
  font-size: var(--fontSize);
}

h2 span {
  display: block;
}

/*------------------------------------------------------------------------------------------------------
                                                main
-------------------------------------------------------------------------------------------------------*/
main {
  background-color: var(--White);
  border-radius: 20px;
  max-width: 1000px;
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

main #main-left p,
label {
  color: gray;
  font-size: 15px;
}

main #main-left,
main #main-right {
  display: flex;
  flex-direction: column;
}

main #main-left {
  gap: 2rem;
}

main #main-left input {
  margin-top: 0.3rem;
  text-align: end;
  border: transparent;
  background: var(--veryLIghtGrayishCyan);
  padding: 0.5rem 0.4rem;
  cursor: pointer;
}

@media all and (min-width: 401px) {
  main #main-left input:focus {
    outline: none;
  }
}

main #main-left input:focus {
  border: 1px solid var(--StrongCyan);
}

/*------------Found on stackoverflow-----------*/
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 3px;
}

input[type="number"] {
  -moz-appearance: textfield; /* Firefox */
}

/*------------- main left top ----------------*/
#bill,
#number-people {
  display: flex;
  position: relative;
}
#bill input,
#number-people input {
  flex: 1;
  color: var(--veryDarkCyan);
}

#bill img,
#number-people img {
  width: 15px;
  aspect-ratio: 1/1;
  position: absolute;
  top: 15px;
  left: 1rem;
}

/*-------------- main left middle -------------*/

main #main-left-middle .percentage-choice {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;

  width: 100%;
}

main #main-left-middle p {
  margin-bottom: 0.5rem;
}

.button {
  background-color: var(--veryDarkCyan);
  color: var(--White);
  border: none;
  padding: 10px;
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
}

.button:hover {
  background-color: var(--StrongCyan);
  color: var(--veryDarkCyan);
}

.button.active {
  background-color: var(--StrongCyan);
  color: var(--veryDarkCyan);
}

main #main-left-middle input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  text-align: center;
}
/*-------------- main left bottom -------------*/

main #main-left #main-left-bottom p {
  font-size: 13px;
}

main #main-left #main-left-bottom #people-information {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/*-------------- main right ------------------*/

main #main-right {
  gap: 3rem;
  padding: 2rem;
  background-color: var(--veryDarkCyan);
  border-radius: 10px;
}

main #main-right-top,
main #main-right-middle {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tip-person {
  font-size: 13px;
  color: var(--White);
}
.person {
  color: var(--White);
  font-size: 10px;
  opacity: 0.7;
}

.tip-total {
  display: flex;
  align-items: center;
  position: relative;
  font-size: 30px;
  color: var(--StrongCyan);
}

#main-right #button-reset {
  cursor: pointer;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  padding: 0.5rem;
  border: none;
  border-radius: 10px;
  margin-top: 2rem;
}

.has-reset-activated {
  background-color: var(--StrongCyan);
  color: var(--veryDarkCyan);
}

/*---------------------------------------------------------------------------------------------

                            Responsive

----------------------------------------------------------------------------------------------*/

@media all and (max-width: 800px) {
  main {
    display: flex;
    flex-direction: column;
  }
}

@media all and (max-width: 400px) {
  #main-left,
  #main-right {
    width: 100%;
  }

  main #main-left-middle .percentage-choice {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  main #main-left-middle input,
  .button {
    width: 45%;
    padding: 10px;
  }
}

@media all and (max-width: 300px) {
  main #main-left-middle input,
  .button {
    width: 100%;
  }
}