.set-subscription-form{max-width:500px;margin:20px auto;padding:30px;background:#fff;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.set-subscription-header h3{margin:0 0 10px 0;font-size:24px;color:#333}.set-subscription-header p{margin:0 0 20px 0;color:#666;font-size:14px}.set-frontend-form{display:flex;gap:10px;margin-bottom:15px}.set-email-input{flex:1;padding:12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.set-submit-btn{padding:12px 24px;background:#667eea;color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer}.set-submit-btn:hover{background:#5568d3}.set-submit-btn:disabled{background:#ccc;cursor:not-allowed}.set-frontend-message{padding:15px;border-radius:4px;display:none;margin-top:15px}.set-frontend-message.success{display:block;background:#d7f5e5;border-left:4px solid #00a32a;color:#1e4620}.set-frontend-message.error{display:block;background:#fcf0f1;border-left:4px solid #d63638;color:#3c434a}