/* ================= E-BOOK DETAIL PAGE ================= */
/* ================= RESOURCE SUPPORT POPUP ================= */

.resource-support-popup {
    position: fixed;
    z-index: 4000;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.72);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.resource-support-popup.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.resource-support-content {
    position: relative;
    width: min(520px, 100%);
    padding: 38px 32px 30px;
    background: #fffdf8;
    border: 1px solid rgba(140, 98, 57, 0.2);
    border-radius: 16px;
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    text-align: center;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.resource-support-popup.active .resource-support-content {
    transform: translateY(0) scale(1);
}

.resource-support-close {
    position: absolute;
    top: 12px;
    right: 18px;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition:
        color 0.25s ease,
        transform 0.25s ease;
}

.resource-support-close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.resource-support-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
    background: rgba(140, 98, 57, 0.12);
    border-radius: 50%;
    color: var(--accent-color);
    font-size: 1.8rem;
}

.resource-support-content h2 {
    margin-bottom: 17px;
    color: var(--secondary-color);
    font-family: "Playfair Display", Georgia, serif;
    font-size: 1.8rem;
    line-height: 1.25;
}

.resource-support-content p {
    margin-bottom: 13px;
    color: var(--text-color);
    font-size: 0.98rem;
    line-height: 1.65;
    opacity: 0.9;
}

.resource-support-content .resource-support-dua {
    margin: 17px 0 22px;
    color: var(--secondary-color);
    font-weight: 700;
}

.resource-support-buttons {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.resource-donate-button,
.resource-continue-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 7px;
    font-family: inherit;
    font-size: 0.97rem;
    font-weight: 700;
    cursor: pointer;
    transition:
        transform 0.25s ease,
        background-color 0.25s ease,
        box-shadow 0.25s ease;
}

.resource-donate-button {
    background: var(--accent-color);
    border: 2px solid var(--accent-color);
    color: white;
}

.resource-continue-button {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.resource-donate-button:hover,
.resource-continue-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 15px rgba(13, 59, 38, 0.15);
}

.resource-donate-button:hover {
    background: #704b2d;
    border-color: #704b2d;
    color: white;
}

.resource-continue-button:hover {
    background: var(--secondary-color);
    color: white;
}

@media (max-width: 600px) {
    .resource-support-content {
        padding: 34px 20px 24px;
    }

    .resource-support-content h2 {
        font-size: 1.5rem;
    }

    .resource-support-content p {
        font-size: 0.93rem;
    }
}

.ebook-detail-main {
    width: 100%;
    margin-top: 145px;
    padding: 0 20px;
}

.ebook-detail-wrapper {
    width: min(1100px, 100%);
    margin: 0 auto;
}

/* ================= BACK BUTTON ================= */

.back-to-library {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 25px;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 700;
    transition:
        color 0.3s ease,
        gap 0.3s ease;
}

.back-to-library:hover {
    gap: 13px;
    color: var(--accent-color);
}

/* ================= PRODUCT CONTAINER ================= */

.product-page {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(350px, 1.1fr);
    align-items: center;
    gap: 50px;
    width: 100%;
    padding: 45px;
    background: #fffdf8;
    border: 1px solid rgba(140, 98, 57, 0.18);
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(13, 59, 38, 0.12);
}

/* ================= LEFT COLUMN ================= */

.left-column {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.image-gallery {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* Main book image */

.main-image {
    display: block;
    width: 100%;
    max-width: 380px;
    height: 520px;
    margin-bottom: 20px;
    object-fit: contain;
    border-radius: 8px;
    cursor: pointer;
    filter: drop-shadow(0 12px 15px rgba(0, 0, 0, 0.2));
    transition:
        transform 0.3s ease,
        filter 0.3s ease;
}

.main-image:hover {
    transform: scale(1.025);
    filter: drop-shadow(0 16px 18px rgba(0, 0, 0, 0.25));
}

/* Thumbnail images */

.thumbnail-images {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    width: 100%;
}

.thumbnail-images img {
    width: 68px;
    height: 82px;
    padding: 3px;
    object-fit: cover;
    background: white;
    border: 2px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    opacity: 0.75;
    transition:
        border-color 0.25s ease,
        transform 0.25s ease,
        opacity 0.25s ease;
}

.thumbnail-images img:hover,
.thumbnail-images img.active {
    border-color: var(--accent-color);
    opacity: 1;
    transform: translateY(-3px);
}

/* ================= RIGHT COLUMN ================= */

.right-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    text-align: left;
}

.detail-category {
    display: inline-block;
    margin-bottom: 14px;
    padding: 7px 12px;
    background: rgba(140, 98, 57, 0.12);
    border-radius: 50px;
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.right-column h1 {
    margin-bottom: 18px;
    color: var(--secondary-color);
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.15;
}

.right-column > p {
    margin-bottom: 25px;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 1.75;
    opacity: 0.88;
}

/* ================= BOOK INFORMATION ================= */

.ebook-information {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    width: 100%;
    margin-bottom: 28px;
}

.ebook-information div {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 15px;
    background: rgba(140, 98, 57, 0.07);
    border: 1px solid rgba(140, 98, 57, 0.1);
    border-radius: 8px;
    text-align: left;
}

.ebook-information strong {
    color: var(--secondary-color);
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.ebook-information span {
    color: var(--text-color);
    font-size: 0.98rem;
}

/* ================= BUTTONS ================= */

.btn-container {
    display: flex;
    gap: 12px;
    width: 100%;
}

.btn {
    display: inline-flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 50px;
    padding: 13px 20px;
    border-radius: 7px;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    transition:
        transform 0.25s ease,
        background-color 0.25s ease,
        box-shadow 0.25s ease;
}

.rodownload {
    background: var(--secondary-color);
    color: white;
}

.btndownload {
    background: var(--accent-color);
    color: white;
}

.btn:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(13, 59, 38, 0.18);
}

.rodownload:hover {
    background: #082c1c;
}

.btndownload:hover {
    background: #704b2d;
}

/* ================= LIGHTBOX ================= */

.lightbox {
    position: fixed;
    z-index: 3000;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 70px 80px;
    background: rgba(0, 0, 0, 0.9);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.lightbox.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.expanded-image {
    display: block;
    max-width: 85%;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.lightbox button {
    padding: 0;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
}

.lightbox-close {
    position: absolute;
    top: 25px;
    right: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition:
        color 0.25s ease,
        transform 0.25s ease;
}

.lightbox-close:hover {
    color: var(--accent-color);
    transform: rotate(90deg);
}

.lightbox .arrow {
    position: absolute;
    top: 50%;
    font-size: 2.4rem;
    transform: translateY(-50%);
    transition:
        color 0.25s ease,
        transform 0.25s ease;
}

.lightbox .arrow:hover {
    color: var(--accent-color);
}

.arrow-left {
    left: 30px;
}

.arrow-right {
    right: 30px;
}

/* ================= TABLET ================= */

@media (max-width: 900px) {
    .product-page {
        grid-template-columns: 1fr;
        gap: 35px;
        padding: 35px;
    }

    .main-image {
        max-width: 340px;
        height: 470px;
    }

    .right-column {
        align-items: center;
        text-align: center;
    }

    .ebook-information div {
        text-align: center;
    }
}

/* ================= MOBILE ================= */

@media (max-width: 600px) {
    .ebook-detail-main {
        margin-top: 110px;
        padding: 0 14px;
    }

    .back-to-library {
        margin-bottom: 18px;
    }

    .product-page {
        gap: 28px;
        padding: 24px 18px;
        border-radius: 12px;
    }

    .main-image {
        max-width: 280px;
        height: 400px;
    }

    .thumbnail-images img {
        width: 58px;
        height: 70px;
    }

    .right-column h1 {
        font-size: 2rem;
    }

    .right-column > p {
        font-size: 0.98rem;
    }

    .ebook-information {
        grid-template-columns: 1fr;
    }

    .btn-container {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .lightbox {
        padding: 65px 45px;
    }

    .expanded-image {
        max-width: 100%;
        max-height: 82vh;
    }

    .lightbox .arrow {
        font-size: 1.8rem;
    }

    .arrow-left {
        left: 12px;
    }

    .arrow-right {
        right: 12px;
    }

    .lightbox-close {
        top: 20px;
        right: 20px;
    }
}