:root {
  --color-primary: hsl(172, 67%, 45%);

  --color-dark: hsl(183, 100%, 15%);
  --color-semidark: hsl(186, 14%, 43%);
  --color-text-main: hsl(184, 14%, 56%);
  --color-bg-body: hsl(185, 41%, 84%);
  --color-bg-input: hsl(189, 47%, 97%);
  --color-base: hsl(0, 100%, 100%);
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-bg-body);
  font-family: "Space Mono", monospace;
}

.logo {
  height: 125px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo img {
  padding-bottom: 10px;
}

.content {
  border-radius: 25px 25px 0 0;
  background-color: white;
  padding: 30px 24px;

  display: flex;
  flex-direction: column;
  gap: 30px;
}

.calculator {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 0px 10px 0 10px;
}

.calculator .item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.title {
  color: var(--color-text-main);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.error {
  color: red;
}

.input-number,
.input-radio label {
  border-radius: 5px;
}

.input-number {
  display: flex;
  height: 46px;
}

.input-number {
  background-color: var(--color-bg-input);
}

.input-number input,
.custom-percent input {
  background-color: transparent;
  border: 0;
  text-align: right;
  padding: 0 20px;
  font-size: 24px;
  font-family: inherit;
}

.input-number input:focus,
#custom-percent:focus {
  outline: none;
}

.input-number:has(input:invalid),
#custom-percent:invalid {
  outline: 2px solid red;
}

.input-number input {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

  min-width: 0;
  font-weight: 700;
  color: var(--color-dark);
}

.input-radio {
  display: flex;
  flex-wrap: wrap;
  gap: 15px 6%;
}

.input-radio input[type="radio"] {
  display: none;
}

.input-radio > * {
  height: 48px;
  width: 47%;
  font-weight: 700;
  font-size: 24px;
}

.input-radio label {
  color: var(--color-base);
  background-color: var(--color-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

input[type="radio"]:checked + label {
  background-color: var(--color-primary);
  color: var(--color-dark);
}

.input-radio label {
  width: 100%;
  height: 100%;
}

.icon {
  flex: 0 0 46px;

  display: flex;
  justify-content: center;
  align-items: center;
}

#custom-percent {
  border-radius: 5px;
  width: 100%;
  height: 100%;
  font-weight: 700;
  background-color: var(--color-bg-input);
  color: var(--color-dark);
}

.result {
  background-color: var(--color-dark);
  border-radius: 10px;
  padding: 30px 20px;

  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result .top {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result .item {
  display: flex;
  align-items: center;
}

.result .item .description {
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 100px;
}

.result .footer {
  font-size: 14px;
}
.amount {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;
  text-align: right;
  font-size: 32px;
}

.result .header {
  color: var(--color-base);
  font-weight: 700;
}

.result .footer {
  color: var(--color-text-main);
}

.result .amount {
  font-weight: 700;
  color: var(--color-primary);
}

#reset {
  background-color: var(--color-primary);
  color: var(--color-dark);
  font-weight: 700;
  font-family: inherit;
  font-size: 20px;
  height: 50px;
  border: 0;
  border-radius: 5px;
}

@media (min-width: 420px) {
  body {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .outer {
    max-width: 500px;
  }

  .content {
    border-radius: 25px;
  }
}

@media (min-width: 1024px) {
  body {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;
  }

  .outer {
    max-width: unset;
    width: 920px;
  }

  .logo {
    height: 200px;
  }

  .content {
    display: flex;
    flex-direction: row;
    gap: 20px;
    border-radius: 20px;
    padding: 30px 30px;
  }

  .calculator {
    padding: 0 20px;

    gap: 40px;
  }

  .content > * {
    width: 50%;
  }

  .input-radio {
    display: flex;
    flex-direction: row;
    gap: 15px 4%;
  }

  .input-radio > * {
    width: 30%;
  }

  #custom-percent {
    padding-inline: 10px;
  }
  .result {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    padding: 40px;
  }

  .amount {
    font-size: 42px;
  }
}