* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0e0e0e;
  color: #FFFFFF;
  font-size: 18px; /* base font size increased */
}

iframe {
  border: none;
  width: 100%;
  height: 600px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  background-color: #1c1c1c;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  flex-wrap: wrap; /* allow wrapping on small screens */
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  flex-shrink: 0;
  margin-bottom: 0; /* fix spacing on desktop */
}

.search-bar {
  flex: 1 1 300px; /* allow growth and shrink */
  margin: 0 2.5rem;
  min-width: 0; /* prevent overflow */
}

.search-bar input {
  width: 100%;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
}

.toggle {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  margin-top: 0;
}

.toggle button {
  padding: 0.75rem 1.25rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  cursor: pointer;
}

.toggle button.active {
  background-color: #ff4c4c;
}

main {
  padding: 2rem;
}

.spinner {
  border: 8px solid #1f1f1f;
  border-top: 8px solid #ff4c4c;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  animation: spin 1s linear infinite;
  margin: 3rem auto;
  display: none;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: #1f1f1f;
  color: #fefffe;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  font-size: 1.1rem;
}

.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.pagination {
  text-align: center;
  margin-top: 3rem;
}

.pagination button {
  padding: 0.75rem 1.25rem;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  margin: 0 0.5rem;
  cursor: pointer;
}

#pageIndicator {
  font-size: 1.1rem;
  margin: 0 1rem;
}


/* ===== MOBILE RESPONSIVE STYLES ===== */
@media (max-width: 768px) {
  header {
    padding: 1rem 1rem;
  }
  
  .logo {
    flex-basis: 100%;
    margin-bottom: 0.5rem;
    text-align: center;
  }
  
  .search-bar {
    flex-basis: 100%;
    margin: 0 0 1rem 0;
  }
  
  .toggle {
    justify-content: center;
    flex-basis: 100%;
    margin-bottom: 1rem;
  }
  
  main {
    padding: 1rem;
  }

  .content-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
  }

  .pagination button {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    margin: 0 0.25rem;
  }

  #pageIndicator {
    font-size: 1rem;
    margin: 0 0.5rem;
  }
}

@media (max-width: 400px) {
  body {
    font-size: 16px;
  }

  header {
    padding: 1rem 0.5rem;
  }

  .search-bar input {
    font-size: 1rem;
    padding: 0.6rem 1rem;
  }

  .toggle button {
    font-size: 1rem;
    padding: 0.6rem 0.8rem;
  }

  .content-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.8rem;
  }

  .pagination button {
    padding: 0.5rem 0.8rem;
  }
}