/* books.css - Styles specific to books page */

/* ===== PAGE HEADER ===== */
.page-header {
    margin: 40px 0 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--pure-white);
    text-shadow: 3px 3px 0 var(--golden), 6px 6px 0 rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.page-header h1 i {
    color: var(--golden);
    font-size: 3.5rem;
    filter: drop-shadow(3px 3px 0 #00000030);
}

.page-header h1 span {
    background: linear-gradient(135deg, var(--golden), #ffaa00, var(--golden));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

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

/* ===== MAIN TITLE ===== */
.main-title-section {
    margin: 30px 0;
}

.page-main-title {
    font-size: 5rem;
    font-weight: 800;
    color: var(--pure-white);
    text-align: center;
    text-shadow: 4px 4px 0 var(--golden), 8px 8px 0 rgba(0,0,0,0.2);
    letter-spacing: 2px;
}

/* ===== BOOKS CONTAINER ===== */
.books-container-simple {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin: 40px 0 60px;
}

.subject-block {
    background: var(--pure-white);
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
    border: 3px solid var(--golden);
    transition: 0.3s;
}

.subject-block:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 80px rgba(42, 163, 184, 0.4);
}

.subject-block-title {
    background: linear-gradient(135deg, var(--deep-navy), #1a2f44);
    padding: 25px 35px;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--pure-white);
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 4px solid var(--golden);
}

.subject-block-title i {
    font-size: 2.5rem;
    color: var(--golden);
}

/* ===== BOOK IMAGES ===== */
.book-image-row {
    padding: 35px 35px 25px 35px;
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    background: var(--off-white);
    justify-content: center;
    border-bottom: 2px dashed var(--light-grey);
}

.book-cover-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 220px;
    text-align: center;
    transition: 0.3s;
}

.book-cover-item:hover {
    transform: scale(1.05);
}

.book-cover-item img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    border-radius: 25px;
    box-shadow: 0 25px 40px -10px rgba(0,0,0,0.5), 0 0 0 3px var(--golden), 0 0 0 6px var(--teal-bright);
    background: var(--pure-white);
    padding: 15px 10px 5px 10px;
    transition: 0.3s;
}

.book-cover-item img:hover {
    box-shadow: 0 35px 50px -10px rgba(0,0,0,0.8), 0 0 0 4px #ffaa00, 0 0 0 8px var(--deep-navy);
}

.book-cover-item span {
    margin-top: 20px;
    font-weight: 700;
    color: var(--pure-white);
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--deep-navy), #1a2f44);
    padding: 8px 25px;
    border-radius: 40px;
    box-shadow: 0 10px 20px rgba(11, 30, 51, 0.5);
    border: 2px solid var(--golden);
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.book-cover-item span:hover {
    background: var(--golden);
    color: var(--deep-navy);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(250, 202, 11, 0.5);
}

.book-cover-item span i {
    font-size: 1rem;
}

/* ===== BOOK DROPDOWN ===== */
.book-dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.book-dropdown-content {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pure-white);
    min-width: 200px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-radius: 20px;
    padding: 12px;
    display: none;
    z-index: 200;
    border: 3px solid var(--golden);
    margin-top: 10px;
}

.book-dropdown:hover .book-dropdown-content {
    display: block;
    animation: fadeIn 0.3s ease;
}

.book-dropdown-content a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    border-radius: 15px;
    transition: 0.3s;
}

.book-dropdown-content a i {
    width: 24px;
    color: var(--teal-bright);
    font-size: 1.2rem;
}

.book-dropdown-content a:hover {
    background: linear-gradient(135deg, var(--deep-navy), #1a2f44);
    color: var(--pure-white);
    transform: translateX(5px);
}

.book-dropdown-content a:hover i {
    color: var(--golden);
}

/* ===== SUBJECT FOOTER ===== */
.subject-footer {
    background: linear-gradient(135deg, var(--off-white), #eef2f9);
    padding: 15px 35px 20px;
    border-top: 4px solid var(--golden);
    text-align: right;
}

.subject-name-large {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--light-grey);
    letter-spacing: 4px;
    opacity: 0.5;
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
    margin: 50px 0;
}

.action-btn {
    background: linear-gradient(135deg, var(--golden), #ffaa00);
    border: none;
    padding: 18px 45px;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--deep-navy);
    display: inline-flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 20px 40px rgba(250, 202, 11, 0.3);
    border: 3px solid var(--pure-white);
}

.action-btn i {
    color: var(--deep-navy);
    font-size: 1.5rem;
}

.action-btn:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 50px rgba(250, 202, 11, 0.5);
    background: linear-gradient(135deg, #ffaa00, var(--golden));
}

/* ===== BOOKS PAGE RESPONSIVE ===== */
@media screen and (max-width: 600px) {
    .page-main-title { 
        font-size: 3.5rem; 
    }
    
    .page-header h1 { 
        font-size: 2.5rem; 
        flex-direction: column; 
    }
    

    
    .subject-block-title { 
        font-size: 1.8rem; 
    }
    
    .book-image-row {
        gap: 30px;
    }
    
    .book-cover-item {
        width: 150px;
    }
    
    .book-cover-item img {
        max-height: 190px;
    }
    
    .action-btn {
        padding: 14px 25px;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
}