* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f0f2f5;
    color: #222;
    height: 100vh;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.body {
    background-color: #121212;
    color: #f0f2f5;
}

.header {
    width: 100%;
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: background-color 0.4s ease;
}

.body .header {
    background-color: #1e1e1e;
}
#moon {
    display: none;
}
.container {
    width: 90%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.controls {
    display: flex;
    align-items: center;
    margin: 20px 0;
    gap: 30px;
}

.region-filter,
.search-input,
.sort-button {
    padding: 10px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    background-color: #fff;
    color: #333;
    outline: none;
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.region-filter:focus,
.search-input:focus,
.sort-button:hover {
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.body .region-filter,
.body .search-input,
.body .sort-button {
    background-color: #1e1e1e;
    color: #f0f2f5;
    box-shadow: 0 2px 5px rgba(255,255,255,0.05);
}

.body .region-filter:focus,
.body .search-input:focus,
.body .sort-button:hover {
    box-shadow: 0 3px 8px rgba(255,255,255,0.1);
}

.theme-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.theme-toggle i {
    font-size: 22px;
    color: #333;
    margin-left: 10px;
    transition: color 0.3s ease, transform 0.3s ease;
}

.theme-toggle i:hover {
    transform: rotate(20deg);
}

.body .theme-toggle i {
    color: #f0f2f5;
}

.cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 20px;
    justify-content: center;
}

.country-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 350px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.4s ease;
}

.country-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.country-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.country-card h2 {
    margin-bottom: 10px;
    color: #333;
}

.body .country-card {
    background-color: #1e1e1e;
    box-shadow: 0 2px 10px rgba(255,255,255,0.05);
}

.body .country-card h2 {
    color: #f0f2f5;
}

.body .country-card:hover {
    box-shadow: 0 6px 20px rgba(255,255,255,0.1);
}


.loader {
  position: fixed;
  inset: 0;
  background: #f4f6f8;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.spinner {
  width: 65px;
  height: 65px;
  border: 6px solid rgba(0, 0, 0, 0.1);
  border-top-color: #0078ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loader p {
  font-size: 1.1rem;
  color: #333;
  letter-spacing: 0.5px;
  font-weight: 500;
  animation: fadeText 1.5s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeText {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

.body .loader {
  background: #0f1115;
}

.body .spinner {
  border: 6px solid rgba(255, 255, 255, 0.1);
  border-top-color: #00aaff;
}

.body .loader p {
  color: #e8e8e8;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin: 30px 0;
}

.pagination button {
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  background-color: #00aaff;
  color: #121212;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.pagination button:disabled {
  background-color: #555;
  cursor: not-allowed;
}

.pagination button:hover:not(:disabled) {
  background-color: #0088cc;
}

.not-found {
  font-size: 1.3rem;
  font-weight: 500;
  color: #888;
  text-align: center;
  width: 100%;
  margin-top: 50px;
}