.dkwc-checkout-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    padding: 24px;
    margin-top: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    transition: all 0.3s ease;
}

.dkwc-checkout-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #cbd5e1;
}

.dkwc-checkout-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f1f5f9;
}

.dkwc-checkout-card__brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.dkwc-checkout-card__logo {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.dkwc-checkout-card__logo img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
}

.dkwc-checkout-card__title {
    display: block;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.2;
    color: #1e293b;
}

.dkwc-checkout-card__subtitle {
    margin-top: 2px;
    font-size: 13px;
    color: #64748b;
}

.dkwc-checkout-card__badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #dcfce7;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.dkwc-checkout-card__description {
    margin: 0 0 16px;
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
}

.dkwc-checkout-card__notice {
    margin: 0 0 24px;
    padding: 16px;
    background: #f8fafc;
    border-left: 4px solid #2563eb;
    border-radius: 8px;
    color: #334155;
    font-size: 14px;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 12px;
}

.dkwc-checkout-card__notice::before {
    content: "ℹ️";
    font-size: 16px;
}

.dkwc-checkout-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dkwc-checkout-card__feature {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 9999px;
    background: #ffffff;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.dkwc-checkout-card__feature:hover {
    border-color: #3b82f6;
    color: #1e40af;
    background: #f0f9ff;
}

.dkwc-checkout-card__feature::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    margin-right: 8px;
}

.dkwc-checkout-card__alert {
    margin-top: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    background: #fef2f2;
    border: 1px solid #fee2e2;
    color: #991b1b;
    font-size: 13px;
    line-height: 1.5;
    font-weight: 500;
}

@media (max-width: 640px) {
    .dkwc-checkout-card {
        padding: 20px;
    }

    .dkwc-checkout-card__header {
        flex-direction: row;
        align-items: center;
    }

    .dkwc-checkout-card__title {
        font-size: 16px;
    }
}