/* variables */

:root {
  --main-font: "Poppins", sans-serif;
  --background-color: #2b2a33;
  --main--color: #42414d;
  --white: #e2e2e2;
  --gray: #9d9c9c;
  --blue: #1c8ff2;
  --red: #a80000;
}

/* global styles */

html {
  box-sizing: border-box;
  font-size: 62.5%; /* 1rem = 10px */
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  font-family: var(--main-font);
  font-size: 1.6rem;
  line-height: 1.4;
  background-color: var(--background-color);
  color: var(--white);
}

[class$="__container"] {
  max-width: 120rem;
  width: 90%; /* cuando el ancho sea menos de 1200px va a ocupar el 90% */
  margin: 0 auto; /* centra el contenedor */
}

/* app */
.app {
  margin-top: 10rem;
  margin-bottom: 10rem;
  display: flex;
  flex-direction: column;
  gap: 10rem;
}

@media (min-width: 768px) {
  .app {
    margin-top: 20rem;
    flex-direction: row;
    justify-content: space-between;
  }
}

/* form section */
@media (min-width: 768px) {
  .app__form-section {
    width: 100%;
  }
}

.form {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.form__label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  color: var(--gray);
}

.form__select {
  width: 100%;
  background-color: var(--main--color);
  color: var(--white);
  padding: 1rem;
  border-radius: 1.5rem;
}

.form__select:focus {
  border-color: var(--blue);
}

.button {
  width: 60%;
  padding: 1.4rem;
  border: none;
  background-color: var(--blue);
  color: var(--white);
  border-radius: 1.5rem;
  font-weight: 600;
}

.button:hover {
  cursor: pointer;
}

/* data section */

@media (min-width: 768px) {
  .app__data-section {
    width: 100%;
  }
}

.app__data-flex {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  height: 100%;
}

.card {
  background-color: var(--main--color);
  padding: 2rem 5rem;
  border-radius: 2rem;
  box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
  transition: transform 0.5s ease;
}

.card:hover {
  transform: scale(1.05);
}

.card__title {
  font-weight: 600;
  color: var(--gray);
}

.card__data {
  font-size: 2.4rem;
  margin-bottom: 0;
  margin-top: 0;
}

/* alert */
.error-alert {
  width: 100%;
  padding: 2rem;
  border: none;
  background-color: var(--red);
  color: var(--white);
  border-radius: 1rem;
  font-weight: 600;
  text-align: center;
}

/* loader */

.loader-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.loader {
  width: 48px;
  height: 48px;
  display: inline-block;
  position: relative;
}
.loader::after {
  content: "";
  box-sizing: border-box;
  width: 24px;
  height: 24px;
  position: absolute;
  left: 0;
  top: 0;
  background: #fff;
  color: #fff;
  animation: animloader 2s linear infinite alternate;
}

@keyframes animloader {
  0% {
    box-shadow: 0 0, 0 0, 0 0;
  }
  33% {
    box-shadow: 24px 0px, 24px 0px, 24px 0px;
  }
  66% {
    box-shadow: 24px 24px, 24px 24px, 24px 0px;
  }
  100% {
    box-shadow: 0px 24px, 24px 24px, 24px 0px;
  }
}