.post-summary{border-bottom:1px solid #ccc;margin-bottom:2rem;padding-bottom:1rem}.back-to-posts{display:inline-block;margin-bottom:1rem;text-decoration:none}.buy-button{padding:5px 10px;background-color:#6772e5;color:#fff;border:none;border-radius:4px;cursor:pointer;margin-left:10px}.buy-button:disabled{background-color:#acb2f5}.payment-modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#0006}.payment-modal-content{background-color:#fefefe;margin:15% auto;padding:20px;border:1px solid #888;width:80%;max-width:400px;border-radius:5px;position:relative}.close-modal{color:#aaa;position:absolute;top:10px;right:20px;font-size:28px;font-weight:700;cursor:pointer}