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

html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  font-family: Arial, sans-serif;
  background-image: url(./assets/bg-space-image.jpg);
  background-position: center;
  text-align: center;
  display: grid;
  place-items: center;
  background-color: #333;
  color: white;
  position: relative;
  height: 100vh;
  width: 100%;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  background: rgba(115, 115, 115, 0.1);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 1rem;
  height: 88vh;
  width: calc(30rem + 10vw);
  z-index: 50;
}

.title {
  font-size: 3rem;
}

.ingresarPeso {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.ingresarPeso img {
  width: 6rem;
  height: 6rem;
}

.ingresarPeso p {
  margin: 1rem auto;
}

.ingresarPeso input[type="number"]::-webkit-inner-spin-button,
.ingresarPeso input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ingresarPeso input[type="number"] {
  -moz-appearance: textfield;

  background-color: transparent;
  color: #e0e0e0;

  text-align: center;
  font-weight: 400;
  font-size: 2rem;
  height: 5rem;
  width: 20rem;
  cursor: pointer;

  border: none;
  outline: none;
  border-radius: 1rem;
  border-bottom: 0.1rem solid #e0e0e0;
}

.ingresarPeso input[type="number"]:active,
.ingresarPeso input[type="number"]:focus {
  background-color: rgba(59, 59, 59, 0.7);
}

.select {
  width: 25rem;
  height: 20rem;
  border-radius: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  border: 0.2rem solid rgba(255, 255, 255, 0.18);
}

.select.active,
.select:hover {
  box-shadow: 0rem 0rem 0rem rgba(0, 0, 0, 0.16);
  border: 0.2rem solid #e0e0e0;
  cursor: pointer;
}

.planets-container.active {
  display: grid;
  animation: fadeIn 0.3s forwards;
}

.planets-container .planet-card {
  padding: 2rem;
}

.planet-card:hover {
  background-color: #e0e0e0;
}

.planet-card:hover .planet-name,
.planet-card:hover .planet-gravity,
.planet-card:hover .planet-description {
  color: #000000;
}

.planets-container {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(32rem, 1fr));
  gap: 2rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(17, 17, 17, 0.9);
  border-radius: 1rem;
  box-shadow: 0rem 0.5rem 1rem rgba(0, 0, 0, 0.16);
  max-height: 90vh;
  width: 95vw;
  overflow: auto;
  overflow-x: hidden;
  z-index: 1000;
  padding: 8rem 2rem 2rem 2rem;
}

.planets-container_header {
  position: absolute;
  top: 4rem;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
}

.planets-container_header-close {
  position: absolute;
  top: 0rem;
  right: 2rem;
  z-index: 1010;
  border-radius: 50%;
  height: 3rem;
  width: 3rem;
}

.planets-container_header-close:hover,
.planets-container_header-close:focus {
  background-color: #878787;
  border: #e0e0e0 0.3rem solid;
  text-decoration: none;
  cursor: pointer;
}

.planet-card {
  transition: 0.2s ease all;
  display: flex;
  justify-content: space-between;
  flex-direction: row;

  background-color: #444;
  text-align: start;
  border-radius: 1rem;
  padding: 1rem;
  height: 20rem;
  cursor: pointer;
}

.planet-card_header,
.planet-card_text {
  height: 100%;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
}

.planet-card_header {
  width: 35%;
  align-items: center;
}

.planet-card_text {
  width: 60%;
}

.planet-name {
  font-size: 2.4rem;
  font-weight: bold;
  margin-top: 2rem;
}

.planet-image {
  width: 8rem;
  height: 8rem;
}

.planet-description {
  font-size: 1.8rem;
  margin-top: 2rem;
}

/* Tamaño del scroll */
.scrollbar::-webkit-scrollbar {
  width: 0.6rem;
}

/* Estilos barra (thumb) de scroll */
.scrollbar::-webkit-scrollbar-thumb {
  background: rgba(75, 75, 75, 0.65);
  border-radius: 0.5rem;
}

.scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(233, 233, 233, 0.8);
  box-shadow: 0 0 0.2rem 0.1rem rgba(0, 0, 0, 0.2);
}

/* Estilos track de scroll */
.scrollbar::-webkit-scrollbar-track {
  background: #212529;
  border-radius: 0.5rem;
}

footer {
  height: 3rem;
  position: absolute;
  bottom: 0;
}

footer a {
  color: #e0e0e0;
  text-decoration: underline;
  z-index: 50;
}