body{
    margin: 0;
    background: #222;
    color: white;
}
/* Sidebar Buttons */
#back-to-library {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 5px 10px;
    font-family: "Jersey 15", sans-serif;
    cursor: pointer;
    margin-bottom: 15px;
    border-radius: 4px;
    width: 100%;
}
#back-to-gallery {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 5px 10px;
    font-family: "Jersey 15", sans-serif;
    cursor: pointer;
    margin-bottom: 15px;
    border-radius: 4px;
    width: 100%;
}

.hidden { display: none; }

/* Book Items (Library View) */
.book-item {
    font-size: 1.4rem;
    color: #ffd700; /* Gold for books */
    border-bottom: 1px solid #333;
    padding: 15px 10px !important;
}

/* Chapter Items (Inside Book View) */
.chapter-item {
    font-size: 1rem;
    padding: 8px 15px !important;
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
}

.chapter-item:hover {
    background: rgba(79, 70, 229, 0.2);
    color: #ffd700;
}

/* Optional: Add a scrollbar style for long issue lists */
#sidebar-list {
    max-height: 60vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #4f46e5 #1a1a1a;
}

.reader-container {
    display: flex;
    height: 100vh; /* Full viewport height */
    width: 100vw;
    overflow: hidden;
}

.chapter-sidebar {
    width: 250px;
    background: #1a1a1a;
    color: white;
    padding: 20px;
    border-right: 2px solid #4f46e5;
    overflow-y: visible;
    overflow-x:hidden;

    /* Hide scrollbar for Chrome, Safari and Opera */
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

.chapter-sidebar h2 {
    font-family: "Jacquarda Bastarda 9", serif;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
}

.chapter-sidebar ul {
    list-style: none;
    padding: 0;
}

.chapter-sidebar li {
    padding: 12px;
    cursor: pointer;
    transition: background 0.2s;
    font-family: "Jersey 15", sans-serif;
    border-radius: 5px;
}

.chapter-sidebar li:hover {
    background: #4f46e5;
}

#pdf-view-parent {
    flex-grow: 1;
    background: #333;
}

#adobe-dc-view {
    width: 100%;
    height: 100%;
}

.search-container {
    margin-bottom: 15px;
}

#sidebar-search {
    width: 100%;
    background: #1a1a1a;
    border: 1px solid #4f46e5;
    color: #e0e0e0;
    padding: 10px;
    font-family: "Jersey 15", sans-serif;
    font-size: 1.1rem;
    outline: none;
    border-radius: 4px;
}

#sidebar-search:focus {
    box-shadow: 0 0 8px rgba(79, 70, 229, 0.6);
}

.search-result {
    border-bottom: 1px solid #222;
    padding: 10px !important;
    animation: fadeIn 0.3s ease;
}

.search-result small {
    color: #4f46e5;
    text-transform: uppercase;
    font-size: 0.7rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

#add-favorite-btn {
    width: 100%;
    background: #ffd700;
    color: #111;
    border: none;
    padding: 10px;
    font-family: "Jersey 15", sans-serif;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 15px;
    border-radius: 4px;
    transition: 0.3s;
}

#add-favorite-btn:hover {
    background: #ffec80;
    transform: scale(1.02);
}

#favorites-section h3 {
    font-family: "Jacquarda Bastarda 9", serif;
    font-size: 1.2rem;
    color: #ffd700;
    margin-bottom: 10px;
}

.fav-item {
    background: #1a1a1a;
    border-left: 3px solid #ffd700;
    padding: 8px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: "Jersey 15", sans-serif;
    transition: 0.2s;
}

.fav-item:hover {
    background: #252525;
}

.fav-item strong { font-size: 0.9rem; color: #fff; }
.fav-item span { font-size: 0.8rem; color: #ffd700; }
.fav-item small { font-size: 0.7rem; color: #666; }

.delete-fav {
    background: transparent;
    color: #ff4444;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 5px;
}

.delete-fav:hover { color: #ff8888; }

.action-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

#share-page-btn {
    flex: 1;
    background: #4f46e5;
    color: white;
    border: none;
    padding: 10px;
    margin-bottom: inherit;
    font-family: "Jersey 15", sans-serif;
    cursor: pointer;
    border-radius: 4px;
    transition: 0.3s;
}

#share-page-btn:hover {
    background: #6366f1;
    transform: translateY(-2px);
}

#add-favorite-btn {
    flex: 1; /* Makes both buttons equal width */
}

/* --- Mobile Menu Toggle (Hidden by default on Desktop) --- */
#mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background: #4f46e5;
    color: white;
    border: 2px solid #ffd700;
    padding: 12px 20px;
    border-radius: 50px;
    font-family: "Jersey 15", sans-serif;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

/* --- Responsive Media Query --- */
@media (max-width: 768px) {
    #mobile-menu-toggle {
        display: block; /* Show button on mobile */
    }

    .reader-container {
        flex-direction: column; /* Stack vertically */
    }

    .chapter-sidebar {
        position: fixed;
        left: -100%; /* Hide off-screen to the left */
        top: 0;
        height: 100vh;
        width: 80%; /* Almost full width */
        z-index: 999;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 5px 0 15px rgba(0,0,0,0.5);
    }

    /* When the menu is toggled open */
    .chapter-sidebar.mobile-open {
        left: 0;
    }

    #pdf-view-parent {
        width: 100vw;
        height: 100vh;
    }
}