:root {
  --bg-color: #121212;
  --text-color: #ffffff;
  --card-bg: linear-gradient(135deg, #ef3550, #f9a825);
  --shadow: rgba(255, 255, 255, 0.2);
}

.light-theme {
  --bg-color: #ffffff;
  --text-color: #121212;
  --card-bg: linear-gradient(135deg, #42a5f5, #66bb6a);
  --shadow: rgba(0, 0, 0, 0.2);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: background-color 0.3s, color 0.3s;
}

.hero-gif {
  max-width: 90%;
  border-radius: 10px;
  box-shadow: 0 4px 20px var(--shadow);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
}

.card {
  text-decoration: none;
  color: var(--text-color);
  background: var(--card-bg);
  padding: 20px 40px;
  border-radius: 12px;
  font-size: 1.5rem;
  font-weight: bold;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.theme-toggle {
  margin: 20px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-color);
  cursor: pointer;
  font-weight: bold;
}

.anime-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  gap: 20px;
}

.card {
  display: block;
  background: var(--card-bg);
  color: var(--text-color);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: bold;
  padding: 15px 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  max-width: 90%;
  text-align: center;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}