* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Nunito, sans-serif;
}

html,
body {
  overflow: auto;
  --background-color: white;
  --text-color: black;
  --elements-color: white;
  background-color: var(--background-color);
  color: var(--text-color);
  height: 100vh;
  width: 100vw;
}

body.dark {
  --background-color: hsl(207, 26%, 17%);
  --text-color: white;
  --elements-color: hsl(209, 23%, 22%);
}

.toggleIconColor {
  color: #fff;
}

.dark .country-card {
  box-shadow: 0 0px 8px 2px rgba(255, 255, 255, 0.623);
}

main {
  padding: 2rem;
}

a {
  text-decoration-line: none;
  color: inherit;
}

.header-container {
  box-shadow: 0 4px 4px 0px rgba(0, 0, 0, 0.3);
  background-color: var(--elements-color);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
  max-width: 1200px;
  padding-inline: 24px;
  padding: 20px;
}

.title {
  font-weight: 700;
  user-select: none;
  box-shadow: 1px 0px 11px 0px rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  padding: 10px;
}

.countries-container {
  max-width: 1200px;
  margin-top: 1rem;
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-inline: auto;
}

.country-card {
  display: inline-block;
  width: 250px;
  padding-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 0px 8px 2px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transition: all 0.15s ease-in-out;
  background-color: var(--elements-color);
}

.country-card:hover {
  transform: scale(1.05);
  box-shadow: 0 0px 16px 0px rgba(0, 0, 0, 0.2);
}

.card-text {
  padding-inline: 16px;
}

.card-text p {
  margin-block: 5px;
}

.card-title {
  margin-block: 8px;
}

.country-card img {
  width: 100%;
}

a img {
  box-shadow: 0 0px 16px 0px rgba(0, 0, 0, 0.2);
  border-radius: 12px;
}

.border-countries {
  margin-top: 1rem;
}

.border-countries a {
  padding: 4px 16px;
  border-radius: 8px;
  box-shadow: 0 0px 8px 0px rgba(0, 0, 0, 0.2);
  margin-inline: 4px;
  font-size: 14px;
}

.search-filter-container {
  margin-top: 16px;
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  gap: 20px;
  margin-inline: auto;
}

.search-container {
  box-shadow: 0 0px 8px 0px rgba(0, 0, 0, 0.2);
  padding: 3px 20px;
  border-radius: 8px;
  max-width: 400px;
  color: #555555;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.search-container input {
  height: 100%;
  width: 100%;
  border: none;
  outline: none;
  padding: 1rem 10px;
  font-size: 1.2rem;
  background-color: transparent;
  color: var(--text-color);
}

.search-container input::placeholder {
  color: #999;
}

#filter-by-region {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13.2-5.6H18.6c-5%200-9.3%201.8-13.2%205.6-3.9%203.8-5.8%208.1-5.8%2013.2%200%205%201.9%209.2%205.8%2013l128.9%20127.8c3.9%203.8%208.1%205.7%2013.2%205.7s9.3-1.9%2013.2-5.7L287%2095.6c3.9-3.8%205.8-8%205.8-13%200-5.2-1.9-9.4-5.8-13.2z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: calc(100% - 10px);
  background-size: 12px;
  border: none;
  outline: none;
  box-shadow: 0 0px 8px 0px rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 16px 46px;
  background-position: 150px;
  background-color: var(--elements-color);
  color: var(--text-color);
}

#filter-by-region option {
  background-color: var(--elements-color);
  color: var(--text-color);
}

.theme-changer,
#filter-by-region,
.search-container i {
  cursor: pointer;
}

@media (max-width: 700px) {
  .title,
  body > header > div > p,
  body > main > div.countries-container a {
    font-size: min(0.9rem, 1.2rem);
  }
  main {
    padding: 5px;
  }

  .search-filter-container {
    flex-wrap: wrap;
    row-gap: 20px;
  }
  .search-container {
    flex-grow: 1;
  }

  .search-container input {
    width: 100%;
  }

  .header-content {
    padding-inline: 5px;
  }

  .countries-container {
    justify-content: center;
  }
}