* {
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color1: #fcc6ff;
  --color2: #cdc1ff;
  --color3: #a294f9;
  --color4: #8a7df5;
  --color5: #3b1e54;
}

body {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color1);
  animation: fadeInBackground 5s infinite ease-in-out;
  padding: 20px;
}

h1 {
  margin: 20px 0;
  color: var(--color5);
  padding: 10px;
  text-align: center;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
  font-weight: bold;
  animation: pulse 3s infinite ease-in-out;
}

input {
  padding: 12px;
  border: 1px solid var(--color2);
  border-radius: 8px;
  transition: all 0.3s ease;
  width: 300px;
  max-width: 100%;
  margin: 15px 0;
  font-size: 1rem;
}

.search {
  padding: 12px 24px;
  background-color: var(--color3);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 300px;
  max-width: 100%;
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 20px;
}

.search:hover {
  background-color: var(--color4);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.search:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  background-color: var(--color3);
}

input:disabled, .search:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#country_details, #region {
  width: 100%;
  max-width: 800px;
  margin: 20px 0;
}

.main-country {
  background-color: white;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-align: center;
  width: 100%;
  max-width: 400px; 
  margin: 0 auto; 
}

.main-country img {
  display: block;
  width: 100%;
  max-width: 150px;
  height: auto;
  margin: 20px auto;
  border-radius: 8px;
}

.countries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  width: 100%;
}

.country-card {
  background-color: lightcyan;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.country-card img {
  width: 100%; 
  max-width: 100px; 
  height: auto; 
  margin: 10px auto;
  border-radius: 5px;
}

.region-title {
  text-align: center;
  margin: 20px 0;
  font-size: 1.5rem; 
  color: var(--color5); 
}

.loading {
  text-align: center;
  padding: 20px;
  font-style: italic;
  color: var(--color5);
}

.error {
  color: #ff4444;
  text-align: center;
  padding: 20px;
  font-weight: bold;
}

@keyframes fadeInBackground {
  0% { 
    background-color: var(--color1); 
  }

  50% {
    background-color: var(--color2); 
  }

  100% { 
    background-color: var(--color1); 
  }
}

@keyframes pulse {
  0% { 
    transform: scale(1); 
  }

  50% { 
    transform: scale(1.05); 
  }

  100% { 
    transform: scale(1); 
  }
}

@media (max-width: 768px) {
  body {
    padding: 15px;
  }
  
  .countries-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }
  
  input, .search {
    width: 100%;
  }
}