/* Sembunyikan scrollbar */
 html,
 body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 100%;
  font-family: "Englebert", cursive;
 }
 
 /* Pastikan container penuh */
 #page-container {
  height: 100vh;
  width: 600vw;
  /* 6 halaman */
  display: flex;
  transition: transform 0.5s ease;
 }
 
 .page {
  width: 100vw;
  height: 100vh;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: auto;
  background-color: #fff2e6;
  background-image: url('http://www.transparenttextures.com/patterns/notebook-dark.png');
 }
 
 /* Paper texture for all pages */
 .paper-texture {
  background-color: #fff2e6;
  background-image: url('http://www.transparenttextures.com/patterns/notebook-dark.png');
 }
 
 /* Efek paralaks pada background */
 .page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  transform: scaleY(1.2);
  transition: transform 0.5s ease;
  z-index: -1;
 }
 
 /* Sembunyikan tombol secara default */
 .nav-btn {
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
 }
 
 /* Tampilkan tombol saat aktif */
 .nav-btn.active {
  opacity: 0.7;
  transform: scale(1);
 }
 
 .nav-btn:hover {
  opacity: 1;
  transform: scale(1.1);
 }
 
 
 /* Modal overlay */
 #modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
 }
 
 #modal-overlay.show {
  display: flex;
  opacity: 1;
 }
 
 #modal-content {
  background: white;
  background-image: url('http://www.transparenttextures.com/patterns/notebook-dark.png');
  padding: 2rem;
  border-radius: 0.5rem;
  max-width: 90%;
  width: 400px;
  text-align: center;
  position: relative;
  transform: scale(0.7);
  transition: transform 0.3s ease;
 }
 
 #modal-overlay.show #modal-content {
  transform: scale(1);
 }
 
 /* Dot indicators */
 .dot {
  width: 10px;
  height: 10px;
  background: rgba(255, 224, 247, 0.9);
  border-radius: 50%;
  margin: 0 5px;
  transition: background 0.3s ease;
 }
 
 .dot.active {
  background: rgba(232, 92, 196, 1);
 }
 
 /* Custom styles for scrapbook */
 .photo-card {
  background: white;
  padding: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: rotate(-2deg);
  position: relative;
 }
 
 .photo-frame {
  border: 10px solid white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  position: relative;
 }
 
 .photo-tape {
  height: 40px;
  width: 100px;
  background-color: rgba(255, 255, 255, 0.9);
  position: absolute;
  transform: rotate(-45deg);
  top: -10px;
  left: -20px;
  opacity: 0.7;
 }
 
 .sticky-note {
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: rotate(var(--rotate));
  position: relative;
  width: 170px;
  height: 170px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
 }
 
 /* Quote styling */
 .quote-block {
  font-style: italic;
  position: relative;
  padding: 20px;
  max-width: 80%;
  margin: 0 auto;
 }
 
 .quote-block::before {
  content: '"';
  font-size: 60px;
  position: absolute;
  left: -20px;
  top: -20px;
  color: rgba(0, 0, 0, 0.1);
 }
 
 /* Custom checkbox styling */
 .custom-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid #ff6b6b;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  cursor: pointer;
 }
 
 .custom-checkbox.checked::after {
  content: '✓';
  color: #ff6b6b;
  font-weight: bold;
 }
 
 /* Letter styling */
 .letter {
  background: white;
  padding: 30px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  max-width: 80%;
  position: relative;
  margin: 40px auto;
  border-radius: 5px;
  line-height: 1.6;
 }
 
 /* Doodle and decorations */
 .doodle {
  position: absolute;
  opacity: 0.6;
  z-index: 1;
 }
 
 /* Animation for cover page arrow */
 @keyframes bounce {
  
  0%,
  100% {
   transform: translateY(0);
  }
  
  50% {
   transform: translateY(10px);
  }
 }
 
 .bounce {
  animation: bounce 2s infinite;
 }
 
 /* Grid layout for photos */
 .photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  width: 90%;
  max-width: 800px;
 }
 
 /* Tilt effect for photos */
 .tilt-left {
  transform: rotate(-3deg);
 }
 
 .tilt-right {
  transform: rotate(3deg);
 }