:root {
  --primary-color: #4a90e2;
  --secondary-color: #666;
  --text-color: #2c3e50;
  --accent-color: #e74c3c;
  --gradient-bg: linear-gradient(135deg, #adaeda, #3b82f6, #2dd4bf);
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.18);
  --card-shadow: rgba(17, 12, 46, 0.15) 0px 48px 100px 0px;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--gradient-bg);
  background-size: 400% 400%;
  color: var(--text-color);
  animation: gradientBG 15s ease infinite;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  transition: background-color 0.3s, color 0.3s;
  min-height: 100vh; /* Tambahkan ini */
  display: flex; /* Tambahkan ini */
  flex-direction: column; /* Tambahkan ini */
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Tambahkan wrapper untuk konten utama */
.main-content {
  flex: 1; /* Tambahkan ini */
}

body.dark-mode {
  background-color: #121212;
  color: #e6e6e6;
}

.heading {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--card-shadow);
}

body.dark-mode .heading {
  background-color: #1e1e1e;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.heading h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  color: #333;
  transition: color 0.3s;
}

body.dark-mode .heading h2 {
  color: #e6e6e6;
}

.toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.3s;
}

.toggle-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

body.dark-mode .toggle-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.toggle-btn img {
  width: 24px;
  height: 24px;
  transition: all 0.3s ease;
}
/* Sun icon dalam dark mode */
body.dark-mode #toggleIcon[src*="sun"] {
  filter: invert(1);
}

/* Hover effect untuk sun icon dalam dark mode */
body.dark-mode .toggle-btn:hover img[src*="sun"] {
  opacity: 0.8;
}

.container {
  margin: auto;
  background-color: rgba(255, 255, 255, 0.342);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  max-width: 1000px;
}

body.dark-mode .container {
  background-color: #1e1e1e;
}

button {
  background-color: #4a4a4a;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #7a7a7a;
}

.footer {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  padding: 20px 10px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  border-radius: 20px 20px 0 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 30px;
}

body.dark-mode .footer {
  background: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.05);
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 14px;
  display: flex;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 10px 15px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-link i {
  margin-right: 10px;
  font-size: 16px;
}

.footer-link:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #ffffff;
}

body.dark-mode .footer-link {
  background: rgba(0, 0, 0, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

body.dark-mode .footer-link:hover {
  background: rgba(255, 255, 255, 0.05);
}

.footer-bottom {
  max-width: 1000px;
  margin: 15px auto 0;
  padding-top: 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
  .footer {
    padding: 15px 5px;
    margin-top: 20px;
  }
  
  .footer-links {
    gap: 10px;
  }
  
  .footer-link {
    padding: 8px 12px;
  }
}

.copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode .copyright {
  color: rgba(255, 255, 255, 0.7);
}

body.dark-mode #toggleIcon[src*="sun"] {
  filter: brightness(0) invert(1); /* Alternatif lain */
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}



@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }
  .footer {
    border-radius: 15px 15px 0 0; /* Sedikit lebih besar untuk mobile */
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    width: 100%;
    justify-content: center;
    gap: 10px;
  }

  .footer-link {
    padding: 10px 15px;
  }
}