body.page-checkout main.series-content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 18px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 22px;
    align-items: start;
}

body.page-checkout .series-maincol {
    min-width: 0;
}

@media (max-width: 980px) {
    body.page-checkout main.series-content {
        grid-template-columns: 1fr;
    }
}

.msg {
    margin: 12px 0 18px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}

.muted {
    opacity: 0.75;
}

.stepbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.step {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    font-weight: 800;
}

    .step.is-on {
        background: rgba(77,180,255,0.14);
        border-color: rgba(77,180,255,0.35);
    }

.books-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cart-item {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr) 280px;
    gap: 16px;
    align-items: stretch;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(0,0,0,0.28);
    width: 100%;
}

.cart-cover {
    width: 72px;
    height: 105px;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255,255,255,0.06);
    align-self: stretch;
}

    .cart-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.cart-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100%;
}

.cart-meta {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.cart-pill {
    padding: 3px 8px;
    font-size: 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.12);
}

.cart-title {
    font-size: 16px;
    font-weight: 800;
    margin: 6px 0;
    line-height: 1.15;
}

.cart-remove {
    margin-top: auto;
    padding-top: 10px;
    color: #ff6b6b;
    font-weight: 800;
    text-decoration: none;
    display: inline-block;
}

.cart-right {
    width: 280px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
}

.cart-price {
    text-align: right;
    width: 100%;
}

.cart-unit {
    font-size: 14px;
    font-weight: 800;
}

.cart-price .muted {
    font-weight: 600;
}

.cart-qtyview, .cart-qtyedit {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
}

.cart-qtyedit {
    display: none;
}

.cart-item.is-editing .cart-qtyview {
    display: none;
}

.cart-item.is-editing .cart-qtyedit {
    display: flex;
}

.cart-qty {
    width: 76px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(0,0,0,0.25);
    color: #fff;
}

.cart-editbtn {
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.06);
    color: inherit;
    padding: 6px 10px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 800;
}

.cart-cancel {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-weight: 800;
    padding: 6px 6px;
}

.order-summary {
    position: sticky;
    top: 18px;
    z-index: 2;
    padding: 16px 18px;
    border-radius: 16px;
    background: rgba(20,23,29,.70);
    border: 1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(8px);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 10px;
    font-weight: 800;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

    .field label {
        font-weight: 800;
        opacity: .9;
    }

    .field input {
        padding: 10px 12px;
        border-radius: 12px;
        border: 1px solid rgba(255,255,255,0.14);
        background: rgba(0,0,0,0.25);
        color: #fff;
        outline: none;
    }

.grid2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 720px) {
    .cart-item {
        grid-template-columns: 72px minmax(0,1fr);
        grid-template-areas: "cover body" "right right";
    }

    .cart-cover {
        grid-area: cover;
    }

    .cart-body {
        grid-area: body;
    }

    .cart-right {
        grid-area: right;
        width: 100%;
    }

    .cart-qtyview, .cart-qtyedit {
        justify-content: flex-end;
    }

    .grid2 {
        grid-template-columns: 1fr;
    }
}

.checkline {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    opacity: .92;
}

.togglebox {
    margin-top: 10px;
    padding: 12px 12px;
    border-radius: 14px;
    background: rgba(0,0,0,0.22);
    border: 1px solid rgba(255,255,255,0.10);
}

.radio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}

@media (max-width: 720px) {
    .radio-grid {
        grid-template-columns: 1fr;
    }
}

.radio-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 12px 12px 44px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(0,0,0,0.20);
    cursor: pointer;
    user-select: none;
}

    .radio-card input[type="radio"] {
        position: absolute;
        left: 14px;
        top: 16px;
        width: 18px;
        height: 18px;
        accent-color: #4db4ff;
    }

    .radio-card:has(input[type="radio"]:checked) {
        background: rgba(77,180,255,0.12);
        border-color: rgba(77,180,255,0.35);
    }

.radio-title {
    font-weight: 900;
}

.radio-desc {
    font-weight: 700;
    opacity: .8;
}

.summary-box {
    padding: 14px 14px;
    border-radius: 16px;
    background: rgba(0,0,0,0.26);
    border: 1px solid rgba(255,255,255,0.10);
    margin-top: 12px;
}

.summary-line {
    margin: 6px 0;
    font-weight: 800;
}

.summary-title {
    font-weight: 900;
    font-size: 16px;
    margin: 6px 0 10px;
    opacity: .95;
}