:root {
  --whiteP: rgb(255, 242, 245);
  --white: rgb(233, 213, 218);
  --brightP: rgb(175, 159, 197);
  --bright: rgb(152, 135, 174);
  --gray: rgb(96, 96, 145);
  --blackP: rgb(78, 72, 121);
  --black: rgb(54, 48, 98);
}

html {
  scroll-behavior: smooth;
}

h1 {
  color: var(--bright);
  padding: 1rem 2rem;
  font-family: "Chivo Mono", monospace;
}

h5 {
  color: var(--white);
  background-color: var(--bright);
  font-size: 2rem;
  padding: 2rem;
  margin-top: 0;
}

button {
  padding: 1rem;
  border-radius: 10px;
  background: none;
  border: 2px var(--brightP) solid;
  color: var(--brightP);
}

button:hover {
  color: var(--whiteP);
  border-color: var(--whiteP);
  transform: translateY(-3px);
  transition: all 0.5s;
}

button:active {
  transform: translateY(3px);
}

/*==================== Header ====================*/

header {
  background-color: var(--black);
  display: flex;
  font-family: "Chivo Mono", monospace;
  height: 10vh;
  position: sticky;
  top: 0;
}

header > a > img {
  padding: 10px;
  height: 8vh;
  filter: brightness(80%);
}

header > ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
  display: flex;
}

header > ul > a {
  text-decoration: none;
  color: var(--white);
  margin: auto 1rem;
}

header > ul > a:hover {
  color: var(--whiteP);
}

/*==================== Body ====================*/

body {
  margin: 0;
  background-color: var(--blackP);
  font-family: "Source Serif Pro", serif;
}

/*==================== Main ====================*/

main {
  text-align: center;
  height: calc(100vh - 10vh);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  scroll-margin: 10vh;
}

/*==================== Calc ====================*/

#calculator {
  scroll-margin: 10vh;
}

#calculator > #container {
  width: 80vh;
  margin: 0 auto;
}

#calculator > #container > form {
  display: flex;
  flex-direction: column;
  text-align: center;
  padding: 3rem;
  background-color: var(--gray);
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}
#calculator > #container > form > label {
  color: var(--white);
  padding: 1rem;
}

#calculator > #container > form > #number {
  background-color: var(--bright);
  color: var(--white);
  border: 2px var(--brightP) solid;
  padding: 1rem;
}

#calculator > #container > form > #conversion {
  background-color: var(--bright);
  color: var(--white);
  border: 2px var(--brightP) solid;
  padding: 1rem;
}

#calculator > #container > form > div > #custom-number {
  background-color: var(--bright);
  color: var(--white);
  border: 2px var(--brightP) solid;
  padding: 1rem;
  margin: 1rem 0;
  width: calc(100% - 4px - 1rem - 1rem);
  border-radius: 10px;
}

#custom-number-div {
  width: 100%;
}

#calculator > #container > form > input,
#calculator > #container > form > select {
  border-radius: 10px;
}
#submit {
  padding: 1.2rem;
  margin: 0 auto;
  margin-top: 1rem;
  border-radius: 10px;
  background: none;
  border: 2px var(--brightP) solid;
  color: var(--brightP);
  cursor: pointer;
}

#submit:hover {
  color: var(--whiteP);
  border-color: var(--whiteP);
  transform: translateY(-3px);
  transition: all 0.5s;
}

#submit:active {
  transform: translateY(3px);
}

#calculator > #type {
  font-family: "Chivo Mono", monospace;
  color: var(--brightP);
  padding-left: 28vw;
  padding-bottom: 0;
  font-size: 1.5rem;
}

#calculator > #type-content {
  font-family: "Source Serif Pro", serif;
  padding: 0 30vw;
  color: var(--bright);
}

#calc-result {
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}

/*==================== About ====================*/

#about {
  scroll-margin: 10vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 60vh;
}
#about > p {
  padding: 0 15vw;
  color: var(--bright);
  font-size: large;
  text-align: center;
}

/*=================== Footer ===================*/

footer {
  background-color: var(--black);
  color: var(--gray);
  height: 20vh;
  display: flex;
  align-items: center;
  padding: 10px 20px;
}