:root {
    --sleek-primary: #0070ba; /* PayPal Blue */
    --sleek-dark: #1d2327;
    --sleek-light: #ffffff;
    --sleek-accent: #ffd140; /* PayPal Gold */
    --sleek-bg: #f8fafc;
    --sleek-glass: rgba(255, 255, 255, 0.7);
    --sleek-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --sleek-radius: 16px;
}

/* Payment Card Shortcode */
.sleek-payment-card {
    max-width: 380px;
    background: var(--sleek-light);
    border-radius: var(--sleek-radius);
    overflow: hidden;
    box-shadow: var(--sleek-shadow);
    font-family: 'Inter', sans-serif;
    margin: 20px 0;
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.sleek-payment-card:hover {
    transform: translateY(-5px);
}

.sleek-card-header {
    padding: 24px;
    background: linear-gradient(135deg, #0070ba 0%, #003087 100%);
    color: #fff;
}

.sleek-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.sleek-card-header h3 {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
}

.sleek-card-body {
    padding: 24px;
}

.sleek-price-wrap {
    margin-bottom: 12px;
}

.sleek-currency-symbol {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sleek-dark);
    margin-right: 4px;
}

.sleek-amount {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--sleek-dark);
}

.sleek-description {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 24px;
}

.sleek-pay-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sleek-dark);
    color: #fff;
    padding: 14px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    gap: 8px;
    transition: background 0.3s ease;
}

.sleek-pay-btn:hover {
    background: #000;
    color: #fff;
}

.sleek-card-footer {
    padding: 16px 24px;
    background: #fdfdfd;
    border-top: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: #94a3b8;
}

/* Checkout Page */
.sleek-checkout-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    background: var(--sleek-light);
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--sleek-shadow);
    font-family: 'Inter', sans-serif;
    margin: 40px 0;
}

@media (max-width: 768px) {
    .sleek-checkout-container {
        grid-template-columns: 1fr;
    }
}

.sleek-checkout-sidebar {
    background: #f8fafc;
    padding: 30px;
    border-radius: 16px;
}

.sleek-order-summary h4 {
    margin-top: 0;
    font-family: 'Outfit', sans-serif;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 15px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin: 15px 0;
    font-size: 0.95rem;
}

.summary-item.total {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid #e2e8f0;
    font-size: 1.2rem;
}

.sleek-trust-badges {
    margin-top: 30px;
    font-size: 0.8rem;
    color: #64748b;
}

.sleek-trust-badges p {
    margin: 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sleek-payment-methods h4 {
    margin-top: 0;
    margin-bottom: 30px;
    font-family: 'Outfit', sans-serif;
}

#paypal-button-container {
    max-width: 400px;
}

/* Success/Error States */
.sleek-success-msg, .sleek-cancel-msg, .sleek-error-msg {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: 24px;
    box-shadow: var(--sleek-shadow);
    max-width: 600px;
    margin: 40px auto;
}

.sleek-success-msg h2 { color: #10b981; }
.sleek-cancel-msg h2 { color: #f59e0b; }
.sleek-error-msg { color: #ef4444; border: 1px solid #fee2e2; }