/* Custom Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Book Controls */
.book-controls {
    background: white;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Card Styles */
.card {
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

/* Alert Styles */
.alert {
    border-radius: 8px;
}

/* Button Styles */
.btn {
    border-radius: 6px;
    font-weight: 500;
}

/* Navigation */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}