.arusp-shell {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.arusp-ebooks-archive-shell {
    background: linear-gradient(180deg, #f8fbff 0%, #ffffff 220px);
    padding-bottom: 42px;
}

.arusp-ebooks-hero {
    background:
        radial-gradient(circle at 15% 15%, rgba(15, 118, 110, 0.35), transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(3, 105, 161, 0.3), transparent 45%),
        linear-gradient(135deg, #031926 0%, #0b3b5b 45%, #0f766e 100%);
    color: #fff;
    padding: 35px;
    margin-bottom: 0;
    position: relative;
    overflow: hidden;
}

.arusp-ebooks-hero .arusp-shell {
    position: relative;
    z-index: 1;
}

.arusp-ebooks-badge {
    display: inline-block;
    margin: 0 0 18px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    letter-spacing: 0.5px;
}

.arusp-ebooks-hero h1 {
    margin: 0 0 20px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.arusp-ebooks-hero p {
    margin: 0;
    max-width: 720px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.9;
    font-size: 16px;
}

.arusp-ebooks-filters {
    padding: 32px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(2, 6, 23, 0.05);
}

.arusp-ebooks-filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.arusp-filter-item {
    display: flex;
    flex-direction: column;
}

.arusp-filter-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 14px;
    color: #0f172a;
    letter-spacing: 0.3px;
}

.arusp-filter-item input,
.arusp-filter-item select {
    width: 100%;
    border: 1.5px solid #e2e8f0;
    background: #fff;
    border-radius: 12px;
    padding: 12px 14px;
    min-height: 46px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    color: #1e293b;
}

.arusp-filter-item input:focus,
.arusp-filter-item select:focus {
    outline: none;
    border-color: #0369a1;
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.1);
    background: #f8fbff;
}

.arusp-filter-item input::placeholder {
    color: #94a3b8;
}

.arusp-filter-check {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.arusp-filter-check label {
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.arusp-filter-check input {
    width: auto;
    min-height: auto;
    margin: 0;
    cursor: pointer;
    accent-color: #0369a1;
}

.arusp-filter-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.arusp-filter-actions button,
.arusp-filter-actions a {
    border: none;
    border-radius: 12px;
    min-height: 46px;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.arusp-filter-actions button {
    background: linear-gradient(135deg, #0369a1, #0284c7);
    color: #fff;
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.25);
}

.arusp-filter-actions button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(3, 105, 161, 0.35);
}

.arusp-filter-actions a {
    background: #e2e8f0;
    color: #475569;
}

.arusp-filter-actions a:hover {
    background: #cbd5e1;
    color: #1e293b;
}

.arusp-ebooks-grid-wrap {
    padding: 34px 0 52px;
}

.arusp-ebooks-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.arusp-ebook-card {
    border: 1px solid #dbe7f4;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 30px rgba(2, 30, 48, 0.09);
    display: flex;
    flex-direction: column;
}

.arusp-ebook-cover {
    aspect-ratio: 16 / 10;
    display: block;
    overflow: hidden;
}

.arusp-ebook-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}

.arusp-ebook-card:hover .arusp-ebook-cover img {
    transform: scale(1.04);
}

.arusp-ebook-content {
    padding: 18px;
}

.arusp-ebook-content h3 {
    margin: 0 0 10px;
    font-size: 21px;
    line-height: 1.35;
}

.arusp-ebook-content h3 a {
    color: #0f172a;
    text-decoration: none;
}

.arusp-ebook-author {
    margin: 0 0 12px;
    color: #334155;
}

.arusp-ebook-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.arusp-ebook-meta span {
    background: #eff6ff;
    color: #0c4a6e;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
}

.arusp-ebook-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 6px;
}

.arusp-ebook-price {
    color: #047857;
    font-size: 18px;
}

.arusp-ebook-action-btn {
    border: none;
    border-radius: 10px;
    background: linear-gradient(120deg, #0f766e, #0369a1);
    color: #fff;
    font-weight: 700;
    padding: 10px 16px;
    cursor: pointer;
}

.arusp-ebooks-empty {
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    padding: 28px;
    text-align: center;
    background: #f8fafc;
}

.arusp-ebooks-pagination ul {
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 8px;
    justify-content: center;
}

.arusp-ebooks-pagination a,
.arusp-ebooks-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    text-decoration: none;
    color: #0f172a;
}

.arusp-ebooks-pagination .current {
    background: #0369a1;
    color: #fff;
    border-color: #0369a1;
}

.arusp-ebook-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
}

.arusp-ebook-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.62);
}

.arusp-ebook-modal-dialog {
    position: relative;
    width: min(540px, 92vw);
    margin: 7vh auto 0;
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 24px 42px rgba(2, 6, 23, 0.35);
}

.arusp-ebook-modal-dialog h3 {
    margin: 0 0 8px;
}

.arusp-ebook-modal-dialog p {
    margin: 0 0 14px;
    color: #334155;
}

.arusp-ebook-modal-close {
    position: absolute;
    left: 12px;
    top: 8px;
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

#arusp-ebook-checkout-form label {
    display: block;
    margin: 10px 0 6px;
    font-weight: 700;
}

#arusp-ebook-checkout-form input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: 11px 12px;
}

#arusp-ebook-checkout-submit {
    border: none;
    border-radius: 10px;
    background: #0f766e;
    color: #fff;
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    font-weight: 700;
    cursor: pointer;
}

#arusp-ebook-checkout-submit[disabled] {
    opacity: 0.65;
    cursor: wait;
}

#arusp-ebook-checkout-message {
    min-height: 24px;
    margin-top: 12px;
    color: #0f172a;
    font-weight: 600;
}

.arusp-ebook-single-shell {
    background:
        radial-gradient(circle at 5% 15%, rgba(34, 197, 94, 0.11), transparent 28%),
        radial-gradient(circle at 100% 0, rgba(56, 189, 248, 0.12), transparent 34%),
        #f8fbff;
    padding: 34px 0 62px;
}

.arusp-ebook-single-stage {
    padding-top: 10px;
}

.arusp-ebook-single-grid {
    display: grid;
    grid-template-columns: minmax(280px, 370px) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
}

.arusp-ebook-single-side {
    position: sticky;
    top: 18px;
}

.arusp-ebook-single-cover {
    margin: 0 0 16px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 14px 38px rgba(2, 30, 48, 0.22);
    background: #0f172a;
}

.arusp-ebook-single-cover img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
}

.arusp-ebook-single-buybox {
    background: #fff;
    border: 1px solid #d9e5f3;
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 10px 26px rgba(2, 30, 48, 0.09);
    display: grid;
    gap: 10px;
}

.arusp-ebook-single-price {
    margin: 0;
    font-size: 26px;
    font-weight: 800;
    color: #047857;
}

.arusp-ebook-single-buybox .arusp-ebook-action-btn {
    width: 100%;
    text-align: center;
}

.arusp-ebook-secondary-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    border: 1px solid #cbd5e1;
    color: #1e293b;
    background: #f8fafc;
    border-radius: 10px;
    min-height: 43px;
    padding: 8px 14px;
    font-weight: 700;
}

.arusp-ebook-single-content {
    background: #fff;
    border: 1px solid #d9e5f3;
    border-radius: 18px;
    padding: 26px 30px;
    box-shadow: 0 10px 26px rgba(2, 30, 48, 0.08);
}

.arusp-ebook-single-kicker {
    margin: 0 0 10px;
    color: #0369a1;
    font-weight: 700;
}

.arusp-ebook-single-content h1 {
    margin: 0 0 14px;
    font-size: clamp(30px, 3.5vw, 42px);
    line-height: 1.28;
    color: #0f172a;
}

.arusp-ebook-single-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.arusp-ebook-single-meta span {
    display: inline-flex;
    align-items: center;
    background: #eff6ff;
    color: #0c4a6e;
    border-radius: 999px;
    padding: 7px 13px;
    font-size: 13px;
    font-weight: 700;
}

.arusp-ebook-single-description {
    color: #1e293b;
    line-height: 1.95;
    font-size: 17px;
}

.arusp-ebook-single-description p,
.arusp-ebook-single-description ul,
.arusp-ebook-single-description ol,
.arusp-ebook-single-description h2,
.arusp-ebook-single-description h3,
.arusp-ebook-single-description h4 {
    margin-top: 0;
    margin-bottom: 18px;
}

.arusp-ebook-single-back {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid #e2e8f0;
}

.arusp-ebook-single-back a {
    text-decoration: none;
    color: #0369a1;
    font-weight: 700;
}

@media (max-width: 980px) {
    .arusp-ebooks-hero {
        padding: 60px 0 80px;
    }

    .arusp-ebooks-hero h1 {
        margin-bottom: 16px;
    }

    .arusp-ebooks-filter-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .arusp-ebooks-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .arusp-ebook-single-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .arusp-ebook-single-side {
        position: static;
    }

    .arusp-ebook-single-content {
        padding: 22px;
    }
}

@media (max-width: 640px) {
    .arusp-ebooks-hero {
        padding: 50px 0 60px;
    }

    .arusp-ebooks-badge {
        font-size: 12px;
        margin-bottom: 14px;
    }

    .arusp-ebooks-hero h1 {
        font-size: 28px;
        margin-bottom: 14px;
    }

    .arusp-ebooks-hero p {
        font-size: 15px;
        line-height: 1.7;
    }

    .arusp-ebooks-filters {
        padding: 24px 0;
    }

    .arusp-ebooks-filter-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .arusp-filter-item label {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .arusp-filter-item input,
    .arusp-filter-item select {
        font-size: 16px;
        padding: 11px 12px;
        min-height: 44px;
    }

    .arusp-filter-actions {
        width: 100%;
        gap: 10px;
    }

    .arusp-filter-actions button,
    .arusp-filter-actions a {
        flex: 1;
        text-align: center;
        min-height: 44px;
        padding: 10px 12px;
        font-size: 13px;
    }

    .arusp-ebooks-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .arusp-ebook-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .arusp-ebook-single-shell {
        padding-top: 22px;
        padding-bottom: 42px;
    }

    .arusp-ebook-single-content {
        padding: 18px;
    }

    .arusp-ebook-single-content h1 {
        font-size: 28px;
    }
}