:root {
  --color-bg: #f0f0f0;
  --color-purple: #864cff;
  --color-light-gray: #dbdbdbff;
  --color-gray: #8a8a8a;
  --color-black: #151515;
  --color-white: #ffffff;
  --color-red: #ff5757ff;
  --font-weight-regular: 400;
  --font-weight-bold: 700;
  --font-weight-extra-bold: 800;
}

* {
  box-sizing: border-box;
  margin: 0;
}

.container {
  font-family: "poppins", sans-serif;
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: rgb(238, 174, 202);
  background: radial-gradient(
    circle,
    rgba(238, 174, 202, 1) 0%,
    rgba(148, 187, 233, 1) 100%
  );
}

.card {
  width: 100%;
  max-width: 500px;
  margin: 0 10px;
  padding: 30px;
  background: var(--color-white);
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}
.card__form {
  display: flex;
  gap: 15px;
}

.card__inputContainer {
  flex: 1;
}

.card__label {
  display: block;
  font-weight: var(--font-weight-bold);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--color-gray);
  margin-bottom: 5px;
}

.card__input {
  padding: 10px;
  border: 1px solid var(--color-light-gray);
  border-radius: 4px;
  width: 100%;
  font-size: 20px;
  font-weight: var(--font-weight-bold);
  outline: none;
  transition: all 0.3s;
}

.card__input:focus {
  border-color: var(--color-purple);
}

.card__input--error {
  border-color: var(--color-red);
}

.card__errorMessage {
  display: block;
  font-size: 10px;
  font-style: italic;
  color: var(--color-red);
  margin-top: 5px;
  font-weight: var(--font-weight-regular);
  opacity: 0;
  visibility: hidden;
}

.card__input--error + .card__errorMessage {
  opacity: 1;
  visibility: visible;
}

.card__separator {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px 0;
}

.card__separator:before {
  content: "";
  position: absolute;
  width: 100%;
  height: 1px;
  background: var(--color-light-gray);
}

.card__button {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  background: var(--color-purple);
  color: var(--color-white);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1;
}

.card__result {
  font-size: 36px;
  font-weight: var(--font-weight-extra-bold);
  font-style: italic;
  text-align: center;
}

.card__resultValue {
  font-size: 36px;
  /* font-weight: var(--font-weight-extra-bold); */
  color: var(--color-purple);
}