.checkout-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 20px 0;
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
    gap: 24px;
}

.checkout-main {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.checkout-card,
.summary-static {
    background: #102744;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 24px;
}

.checkout-card h2 {
    margin-top: 0;
}

.checkout-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.field-group input,
.field-group select,
.field-group textarea {
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px;
    box-sizing: border-box;
}

.checkout-summary {
    align-self: start;
    position: sticky;
    top: 116px;
}

.checkout-item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    background: #0b1f3a;
    border-radius: 18px;
    padding: 16px;
    margin-bottom: 14px;
}

.checkout-image {
    width: 96px;
    height: 96px;
    object-fit: contain;
    background: white;
    border-radius: 14px;
}

.checkout-info h3 {
    margin: 0 0 6px;
}

.checkout-info p {
    margin: 0 0 8px;
    color: #aebbd0;
}

.checkout-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    color: #ffcf8b;
    font-size: 14px;
}

.checkout-line-total {
    color: #ffdfad;
    font-size: 20px;
}

.checkout-status {
    min-height: 24px;
    margin-bottom: 0;
}

.checkout-status.success {
    color: #a6f7a6;
}

.checkout-status.error {
    color: #ff9696;
}

@media (max-width: 980px) {
    .checkout-shell {
        grid-template-columns: 1fr;
    }

    .checkout-summary {
        position: static;
    }
}

@media (max-width: 720px) {
    .checkout-shell {
        padding: 20px 14px 0;
    }

    .checkout-form-grid {
        grid-template-columns: 1fr;
    }

    .checkout-item {
        grid-template-columns: 1fr;
    }

    .checkout-image {
        width: 100%;
        height: 220px;
    }
}