* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    background-color: rgb(17, 41, 44);
}

/* Book - Made larger */
.book {
    position: relative;
    width: 450px;  /* Increased from 350px */
    height: 600px; /* Increased from 500px */
    transition: transform 0.5s;
}

.paper {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    perspective: 1500px;
}

.front,
.back {
    background-color: white;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform-origin: left;
    transition: transform 0.5s;
}

.front {
    z-index: 1;
    backface-visibility: hidden;
    border-left: 3px solid powderblue;
}

.back {
    z-index: 0;
}

.front-content,
.back-content {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.back-content {
    transform: rotateY(180deg)
}

/* Paper flip effect */
.flipped .front,
.flipped .back {
    transform: rotateY(-180deg);
}

/* Controller Buttons */
button {
    border: none;
    background-color: transparent;
    cursor: pointer;
    margin: 10px;
    transition: transform 0.5s;
}

button:focus {
    outline: none;
}

button:hover i {
    color: #636363;
}


button.btn{background:Red;cursor: pointer;border: none;padding:15px 25px 15px 25px; border-radius:12px;font-size:18px;}
button.btn:focus { outline: none;}
button.btn:hover { background:DarkRed; color: white;}


i {
    font-size: 50px;
    color: gray;
}

/* Paper stack order */
#p1 {
    z-index: 3;
}

#p2 {
    z-index: 2;
}

#p3 {
    z-index: 1;
}

#prev-btn {width: 50px;}
#next-btn {width: 50px;}
.bookcover{display:flex;flex-direction:column;padding:25px;}
.bookpagecontent{display:flex;flex-direction:column;padding:25px;}
.bookback{display:flex;flex-direction:column;padding:25px;}

  .btn-effect-5 { border: 2px solid #3ae374; background: transparent; color: #3ae374; }
  .btn-effect-5::before {
      content: ''; position: absolute; top: 0; left: 0;
      width: 0; height: 100%; background: #3ae374;
      z-index: -1; transition: 0.5s;
    }
  .btn-effect-5:hover { color: #000; }
  .btn-effect-5:hover::before { width: 100%; }





/* NEW: Book container specific styles - only affects this page */
.bookcontainer {
    display: flex;
    align-items: center;
    gap: 60px; /* Space between buttons and book */
}








/* Optional: Responsive adjustments for the book container */
@media (max-width: 768px) {
    .book {
        width: 300px;
        height: 400px;
    }
    
    .book-container {
        gap: 40px;
    }
}

@media (min-width: 1200px) {
    .book {
        width: 500px;
        height: 650px;
    }
    
    .book-container {
        gap: 80px;
    }
}