/* ===============================
   toolbar
================================= */
.toolbar {
    position: sticky;
    top: 80px;
    z-index: 40;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.toolbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 6vw;
    display: flex;
    gap: 20px;
    align-items: center;
}

.toolbar input[type="search"] {
    flex: 1;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.04);
    color: var(--cream);
}

.toolbar-toggle {
    display: flex;
    gap: 8px;
    font-size: 13px;
    opacity: 0.85;
}


.books-archive {
    padding: 110px 6vw 160px;
}

.book-section {
    margin-bottom: 140px;
    border-radius: 18px;
    border: 2px solid var(--color-imperial-gold);
    padding: 48px;
}

.book-layout {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 70px;
}

.book-aside {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.book-title {
    font-size: 26px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
}

.book-image-wrapper {
    position: relative;
}

.book-image-wrapper img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
}

.book-section.soldout img {
    filter: grayscale(100%) blur(2px);
    opacity: 0.75;
}

.soldout-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--color-sandstone-grey);
    color: #111;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
}

.book-short-description {
    line-height: 1.9;
    border-radius: 12px;
    background: var(--color-obsidian-green);
    padding: 14px;
    color: var(--color-ivory-silk);
}

.book-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.book-meta-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 15px;
}

.book-price {
    margin-top: 12px;
}

.price-old {
    text-decoration: line-through;
    opacity: 0.6;
    margin-right: 10px;
}

.price-new {
    font-size: 20px;
    font-weight: 600;
}

.book-actions {
    margin-top: 32px;
}

.btn {
    padding: 12px;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 500;
    background: linear-gradient(135deg, #c7a652, #e8d08c);
    color: #020617;
    border: none;
    cursor: pointer;
    transition: 0.3s ease;
}

.btn a{
    color: #020617;
}

.btn:hover {
    background: linear-gradient(135deg, #dabf73, #f3e2ae);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 215, 130, 0.2);
}

@media (max-width: 1000px) {
    .book-layout {
        grid-template-columns: 1fr;
    }
}